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514 Commits

Author SHA1 Message Date
Richard Moore
f34be4e2c2 Updated dist files. 2020-07-05 00:01:57 -04:00
Richard Moore
84e253f3f9 Prevent negative exponents in BigNumber (#925). 2020-07-04 23:41:05 -04:00
Richard Moore
0fd9aa5cb6 Fixed StaticJsonRpcProvider when auto-detecting network (#901). 2020-07-04 23:06:18 -04:00
Richard Moore
2a73b6ed34 Updated docs for ESM import. 2020-07-04 22:46:47 -04:00
Richard Moore
0838135d4a Fixed typos in docs (#921). 2020-07-04 22:44:27 -04:00
Richard Moore
a144ed8a71 Fixed migration docs (#890). 2020-07-04 21:29:18 -04:00
Richard Moore
c646a0c881 Updated docs build. 2020-07-03 01:54:56 -04:00
Richard Moore
0059b7e468 Fixed documentation typos (#895, #917, #924). 2020-07-03 01:44:17 -04:00
Richard Moore
4838874127 Added WebSocket static method to Alchemy provider and updated Alchemy URLs. 2020-07-03 01:41:32 -04:00
Richard Moore
96cb44025b Updated dist files. 2020-06-29 00:54:30 -04:00
Richard Moore
7fe702d59b Fixed typo in error string. 2020-06-29 00:45:47 -04:00
Richard Moore
9e1434503e Updated elliptic package to address possible malleability issue; which should not affect Ethereum. 2020-06-29 00:40:17 -04:00
Richard Moore
08c74e9a13 Fixed FixedNumber unguarded constructor and added isZero (#898). 2020-06-29 00:38:27 -04:00
Richard Moore
c53864de0a Added StaticJsonRpcProvider for reducing calls to chainId in certain cases (#901). 2020-06-29 00:21:59 -04:00
Richard Moore
8c1ff4c862 Allow getDefaultProvider to accept a URL as a network. 2020-06-29 00:06:31 -04:00
Richard Moore
987b5354cc Make network an optional parameter to WebSocketProvider. 2020-06-29 00:04:45 -04:00
Richard Moore
1a4f7d1b53 Updated docs. 2020-06-17 23:38:59 -04:00
Richard Moore
f9e9347e69 Removed deprecated errors package. 2020-06-17 23:34:53 -04:00
Richard Moore
d00362eb70 Updated badges in docs. 2020-06-15 02:43:17 -04:00
Richard Moore
8ed67a5c19 Fixed typo in docs (#885). 2020-06-15 02:25:46 -04:00
Richard Moore
f99029b49a Merge branch 'master' of github.com:ethers-io/ethers.js 2020-06-13 21:39:55 -04:00
Richard Moore
3017a31127 Updated dist files. 2020-06-13 21:39:36 -04:00
Richard Moore
bbb4f407b3 Allow provider.ready to stall until the network is available (#882). 2020-06-13 21:26:50 -04:00
Richard Moore
be7e86ec90 Fixed typo in changelog. 2020-06-13 20:55:05 -04:00
Richard Moore
88e68495b6 Create security policy.
Create security policy.
2020-06-13 17:21:50 -04:00
Richard Moore
738d34969d Reduce dependencies to squash security issues. 2020-06-13 16:39:00 -04:00
Richard Moore
e0e0dbef18 Updated admin scripts for publishing prod releases. 2020-06-12 23:59:06 -04:00
Richard Moore
039bad3848 Changed root package name to match umbrella package. 2020-06-12 23:18:23 -04:00
Richard Moore
73d29e6853 Updated dist files. 2020-06-12 23:09:46 -04:00
Richard Moore
5a69e9caa8 Fixed embedded pacakge version strings. 2020-06-12 23:04:10 -04:00
Richard Moore
f302d7b61a Splitting CHANGELOG beta vs release. 2020-06-12 21:27:23 -04:00
Richard Moore
b30eaca475 Updating CI for release. 2020-06-12 21:26:47 -04:00
Richard Moore
d817416bae Merge branch 'master' into ethers-v5-beta 2020-06-12 21:14:55 -04:00
Richard Moore
e805ab5b2d Updated dist files (remove from beta). 2020-06-12 21:07:12 -04:00
Richard Moore
7157816fa5 Preserve config canary string. 2020-06-12 19:22:16 -04:00
Richard Moore
9e4c7e609d Updated docs. 2020-06-12 19:21:37 -04:00
Richard Moore
e1dce87525 Updated dist files. 2020-06-12 04:57:38 -04:00
Richard Moore
adc8d3d9ae Support nonpayable Solidity modifier in ABI. 2020-06-12 04:41:53 -04:00
Richard Moore
693094e97c More debug information in timeout and fetch errors (#678). 2020-06-12 04:41:07 -04:00
Richard Moore
5e7d28b19b Use URL parse instead of constructor for react compatibility (#874). 2020-06-12 04:38:25 -04:00
Richard Moore
209f3a88e6 Updated docs and added redirects. 2020-06-12 03:38:55 -04:00
Richard Moore
5b0e839a11 Preparing upload-docs script for production. 2020-06-11 17:07:04 -04:00
Richard Moore
4c4830670a Removing legacy docs hosted source. 2020-06-11 16:29:53 -04:00
Richard Moore
750ba7ff8c Organizing versioned docs. 2020-06-11 16:29:05 -04:00
Richard Moore
b12b820034 Initial versioned docs build. 2020-06-10 00:01:49 -04:00
Richard Moore
716ec324d0 Check-in old v5 docs changes. 2020-06-09 23:56:58 -04:00
Richard Moore
ddad98ab32 Updated dist files. 2020-06-03 03:47:17 -04:00
Richard Moore
d2406c42a1 Added test case for null from and blockTag to contract populateTransaction (#860). 2020-06-03 03:35:24 -04:00
Richard Moore
d2ca4fb443 Fix non-any Provider network emit (#495, #861). 2020-06-03 03:34:40 -04:00
Richard Moore
98bb58964b Allow undefined properties in transaction object and fix stray this (#860). 2020-06-03 03:33:28 -04:00
Richard Moore
1a89c591c2 Allow JsonRpcSigner to override from if it matches Signer (#862). 2020-06-03 03:17:42 -04:00
Richard Moore
2bc7bb6e61 Added initial support for spontaneous network changes (#495, #861). 2020-06-03 02:37:59 -04:00
Richard Moore
86d50bc9b6 Updated dist files. 2020-06-01 05:04:12 -04:00
Richard Moore
cd7a0b36cd Re-enable tests removed to fix slow CI. 2020-06-01 04:47:40 -04:00
Richard Moore
9e81012540 Added reporter support for skipped tests. 2020-06-01 04:47:06 -04:00
Richard Moore
42dee67187 Major Contract refactor for overrides (#819, #845, #847, #860). 2020-06-01 04:46:37 -04:00
Richard Moore
7f5035bb05 Updated package-lock.json. 2020-05-30 00:57:14 -04:00
Richard Moore
c445232980 Remove legacy Circle CI tasks. 2020-05-29 23:42:01 -04:00
Richard Moore
6b8f0f3cb3 Fixing GitHub actions (#853). 2020-05-29 22:09:15 -04:00
Richard Moore
c29d20c602 Updated dist files. 2020-05-29 21:27:59 -04:00
Richard Moore
41e66ab834 Simply typing for properties module. 2020-05-29 21:15:17 -04:00
Richard Moore
e5a1b4d5cb Refactor Contract away from monolithic runMethod. 2020-05-29 21:12:15 -04:00
Richard Moore
1b0ad5aa69 Correctly set last emitted block for WebSocketProvider (#856). 2020-05-29 20:41:20 -04:00
Richard Moore
8efd8d2031 Fixed delayed network detection attempting to overwrite read-only value (#854). 2020-05-29 04:03:46 -04:00
Richard Moore
180a1aff3a Better WebSocket compatibilities with Parity (#)849. 2020-05-26 06:42:19 -04:00
Richard Moore
f8777d0986 Trying out GitHub actions for CI. 2020-05-23 01:37:31 -04:00
Richard Moore
dc4daf75b0 Updated dist files. 2020-05-21 00:07:41 -04:00
Richard Moore
b03c4edd31 Make filter blockHash property name match EIP-234. 2020-05-20 23:56:26 -04:00
Richard Moore
ed29fac376 Make filter blockHash property name match EIP-234. 2020-05-20 23:50:35 -04:00
Richard Moore
f963589400 Fixed FallbackProvider sync-stalling for backends (#841). 2020-05-20 23:42:08 -04:00
Richard Moore
85160766cd Add correct tag to release on publish (#828). 2020-05-13 03:54:38 -04:00
Richard Moore
2a78953f9a Updated dist files. 2020-05-12 23:31:51 -04:00
Richard Moore
55d98e852b Trying InfuraProvider for contract tests. 2020-05-12 23:23:43 -04:00
Richard Moore
647fbd8cbf Add sub-error to gas estimate error for Ganache users (#829). 2020-05-12 22:53:16 -04:00
Richard Moore
fa87417e94 Moved ABI check for unique names to coding time and only if ambiguous (#816). 2020-05-12 22:41:04 -04:00
Richard Moore
82a93263fa Added missing Interface exports to umbrella utils. 2020-05-12 17:25:02 -04:00
Richard Moore
fde102b7ed Fixed FallbackProvider ESM super-this out-of-order issue (#822). 2020-05-12 17:24:28 -04:00
Richard Moore
fdf2253218 Fixed node hanging on unnecessary timeout when fetchJson fails. 2020-05-12 16:55:14 -04:00
Richard Moore
e2c830b639 Using self-hosted Chrome pacakge for CI to prevent updates from breaking CI. 2020-05-08 17:12:56 -04:00
Richard Moore
4e8623efbf Try upgrading CircleCI dpkg for chrome update. 2020-05-08 16:58:02 -04:00
Richard Moore
2a06893eb5 Updated dist files (with version-lock). 2020-05-08 15:28:55 -04:00
Richard Moore
963197d70c Fix JsonRpcProvider out-of-order super call (#822). 2020-05-08 15:12:02 -04:00
Richard Moore
84d37fda83 Consistent link names in docs. 2020-05-08 03:24:40 -04:00
Richard Moore
7f0374c5a5 Updated dist files. 2020-05-04 23:01:04 -04:00
Richard Moore
8eeda23e98 More robust FallbackProvider on clean exits. 2020-05-04 22:48:21 -04:00
Richard Moore
657a0394f5 Safer test suite reporter timer. 2020-05-04 22:47:06 -04:00
Richard Moore
ab7c78118a Added goerli to AlchemyProvider tests. 2020-05-04 22:45:42 -04:00
Richard Moore
dc48bfb7ad Added more robust poll event to Provider. 2020-05-04 22:43:44 -04:00
Richard Moore
86670eb80e Added goerli to AlchemyProvider. 2020-05-04 22:39:31 -04:00
Richard Moore
89a7ad8528 Updated dist files. 2020-05-03 21:58:26 -04:00
Richard Moore
17dc022603 Removed Cloudflare from test suite; it is down again. 2020-05-03 21:51:41 -04:00
Richard Moore
cafd34460b Prevent forceOutput in test reporter from crashing. 2020-05-03 21:50:03 -04:00
Richard Moore
e96b43e84d Updated dist files. 2020-05-03 21:11:18 -04:00
Richard Moore
fa6904fef3 Stall FallbackProvider backends from requests if not in-sync. 2020-05-03 21:04:23 -04:00
Richard Moore
3f37d15b88 Update dist files. 2020-05-03 17:53:58 -04:00
Richard Moore
99ae946476 Allow providers to detect their network after instantiation (#814). 2020-05-03 17:32:16 -04:00
Richard Moore
0e3a66c829 Better messaging on low-level network errors (#814). 2020-05-03 16:24:18 -04:00
Richard Moore
7b1a7c7f31 Manage FallbackProvider stalling without unref (#815). 2020-05-03 16:15:19 -04:00
Richard Moore
20a3d9b98d Removed dead files. 2020-05-03 15:58:41 -04:00
Richard Moore
098d7efb21 Only error on duplicate signatures in Contract ABI (#499). 2020-05-03 14:54:26 -04:00
Richard Moore
a6c1174dff Added getWebSocketProvider static method to InfuraProvider. 2020-05-03 14:20:33 -04:00
Richard Moore
472e5b07ea Fix WebSocketProvider responses when message result is null (#813). 2020-05-03 14:18:12 -04:00
Richard Moore
0d71cfb92c Updated dist files. 2020-05-01 17:00:44 -04:00
Richard Moore
1e21eb034b Updating style. 2020-05-01 16:32:32 -04:00
Richard Moore
83fba3de25 Allow modifiers on Human-Readable ABI for tuples and arrays. 2020-05-01 16:24:59 -04:00
Richard Moore
54dfb757c4 Added initial renew support to ENS CLI. 2020-05-01 16:21:33 -04:00
Richard Moore
28800d7681 Allow contract filters to include OR-ed values (#437). 2020-05-01 16:18:31 -04:00
Richard Moore
9f8025155c Updated dist files. 2020-04-28 05:03:49 -04:00
Richard Moore
84c68ac5c1 Removed old EIP-1193 experimental provider; it can now be supported by Web3Provider as EIP-1193 is now backwards compatible. 2020-04-28 04:54:08 -04:00
Richard Moore
393c0c74a9 Fixed getLogs filter deserialization (#805). 2020-04-28 04:52:29 -04:00
Richard Moore
000aaaf4e8 Updated dist files. 2020-04-27 06:31:43 -04:00
Richard Moore
56af4413b1 Added EIP-1193 support to Web3Provider. 2020-04-27 06:15:44 -04:00
Richard Moore
427a78b258 Updated dist files. 2020-04-25 03:54:54 -04:00
Richard Moore
5aefb4303d Fix for HID on ES2015; does not support dymanic imports (#798). 2020-04-25 03:46:46 -04:00
Richard Moore
d1f3a42c11 Minor typing-detected fixes. 2020-04-25 03:26:44 -04:00
Richard Moore
bda6623091 Added initial support for recoverable coding erros (#800). 2020-04-25 03:25:42 -04:00
Richard Moore
14e6811bf7 More draconian Typing. 2020-04-25 01:06:28 -04:00
Richard Moore
2e24920d02 Omit HID libraries for hardware-wallets package on unsupported environments (#798). 2020-04-24 18:22:06 -04:00
Richard Moore
017ea0d6bd Make default constructor non-payable (#684). 2020-04-24 03:02:57 -04:00
Richard Moore
47e4655f6b Updated dist files. 2020-04-23 23:35:39 -04:00
Richard Moore
8e7751f7df Fixed inconsistent log format in WebSocketProvider (#795). 2020-04-23 23:17:55 -04:00
Richard Moore
6707754580 Added WebSocketProvider support for ENS names in filters. 2020-04-23 23:10:21 -04:00
Richard Moore
aeeb75f74c Fixed provider filtering by ENS name. 2020-04-23 22:54:25 -04:00
Richard Moore
8bb2a0fd08 Fixed ContractFactory.deploy ignoring overrides (#796). 2020-04-23 22:28:51 -04:00
Richard Moore
13862589fa Re-enable Cloudflare tests; seems to be back up. 2020-04-23 08:16:25 -04:00
Richard Moore
fca5ccbc20 Fix median calculation for large block number deltas across FallbackProvider backends. 2020-04-23 08:15:46 -04:00
Richard Moore
8cf4b3cf45 Work-around for Cloudflare not offering eth_blockNumber. 2020-04-23 08:13:53 -04:00
Richard Moore
71d03c6e3c Added string spell-checking to library and fixed discovered typos. 2020-04-22 02:42:25 -04:00
Richard Moore
427e16826e Updated dist files. 2020-04-21 23:17:53 -04:00
Richard Moore
fab14f8f5a Fixed typo in error message (#778). 2020-04-21 23:12:56 -04:00
Richard Moore
e8c89d7ca9 Allow receive type in ABI without warning (#746). 2020-04-21 23:10:15 -04:00
Richard Moore
2aeb4e9a9c Moved all flatworm docs to inline code. 2020-04-19 02:18:20 -04:00
Richard Moore
9712592090 Removed external code filies in docs. 2020-04-19 02:17:02 -04:00
Richard Moore
9b3f4dfdac Sync GitHub issue cache. 2020-04-18 06:41:34 -04:00
Richard Moore
db604aa6af Updated dist files. 2020-04-18 06:40:36 -04:00
Richard Moore
560adeabb0 Fixed getUrl for node 8. 2020-04-18 06:32:35 -04:00
Richard Moore
25102d4009 Updates for dist builds. 2020-04-18 05:44:51 -04:00
Richard Moore
3135d7ff6c Added updated admin scripts needed for dist build (#789). 2020-04-18 05:23:36 -04:00
Richard Moore
4874419119 Updated dist files. 2020-04-18 05:14:55 -04:00
Richard Moore
da3b0bf078 Dependency security updates. 2020-04-18 02:56:19 -04:00
Richard Moore
9ae6b70efb Fixes for dist builds without injected XMLHttpRequest (#789, #506). 2020-04-18 02:46:52 -04:00
Richard Moore
723249d36c Added documentation. 2020-04-16 22:25:05 -04:00
Richard Moore
5b51549437 Added npmignore for asm package. 2020-04-16 22:01:49 -04:00
Richard Moore
2f30410ddd Updated dist files. 2020-04-16 21:59:53 -04:00
Richard Moore
798cafa6fe Added all test environments back to CI. 2020-04-16 21:33:50 -04:00
Richard Moore
cc72f76695 Added support for Contract event parsing error recovery. 2020-04-16 21:33:24 -04:00
Richard Moore
4ef0e4f765 Fix provider log filters with zero topics (#785). 2020-04-16 21:30:35 -04:00
Richard Moore
51e198aee1 Attempting to fix ESM chrome-upgrade task. 2020-04-15 19:28:50 -04:00
Richard Moore
54dfaacba3 Updated dist files. 2020-04-15 18:28:04 -04:00
Richard Moore
797abb7267 Temporarily remove CloudflareProvider tests; it is down and breaking the tests. 2020-04-15 18:11:39 -04:00
Richard Moore
39c78f37ce Fixed Contract filter never unsubscribing. 2020-04-15 18:09:38 -04:00
Richard Moore
284771ea39 Updated ABI Number coder for BigNumber API change. 2020-04-15 16:49:55 -04:00
Richard Moore
7dcefcbf71 Better error reporting for Fragments. 2020-04-15 16:49:03 -04:00
Richard Moore
2eb3823de4 Fixed early Contract filter unsubscribing. 2020-04-15 16:47:55 -04:00
Richard Moore
69f707762e Fixed WebSocketProvider filter events (#784). 2020-04-15 16:46:15 -04:00
Richard Moore
7498c18235 Added bitwise operations to BigNumber (#781). 2020-04-15 15:39:26 -04:00
Richard Moore
220e0710a9 Fixed typo in changelog. 2020-04-03 22:16:39 -04:00
Richard Moore
40fb8b5b5c Updated dist files. 2020-04-03 22:13:06 -04:00
Richard Moore
8ad26f0ff4 Removed transactionLogIndex from tests (#415). 2020-04-03 22:03:51 -04:00
Richard Moore
d7c8b355a0 Fix stateMutability calculation for constructors (#762). 2020-04-03 22:01:33 -04:00
Richard Moore
6caf7c292c Correctly return the Provider in NonceManager. 2020-04-03 21:33:56 -04:00
Richard Moore
2882546351 Fail earlier when resolving an ENS name that is not a string. 2020-04-03 21:32:44 -04:00
Richard Moore
6526de016f Fixed mutabilityState calculation for function fragments (#762). 2020-04-03 21:28:53 -04:00
Richard Moore
da412f6607 Force Log properties to be non-optional (#415). 2020-04-03 20:45:23 -04:00
Richard Moore
053a2d7fcd Fixed Signer call not forwarding blockTag (#768). 2020-04-03 18:41:24 -04:00
Richard Moore
a656079752 Updated dist files. 2020-03-31 23:40:54 -04:00
Richard Moore
0f144c6cc0 Fixed ENS CLI lookup for Website. 2020-03-31 23:33:13 -04:00
Richard Moore
6c71b51512 Fixed getEtherPrice for EtherscanProvider (#776). 2020-03-31 23:17:10 -04:00
Richard Moore
70cffb6a51 Fixed ENS CLI tool set-websites and added set-name. 2020-03-31 23:16:16 -04:00
Richard Moore
ee647d26e3 Updated dist files. 2020-03-30 22:26:03 -04:00
Richard Moore
092ce9bcc2 Fixed Contract events for immutable Result. 2020-03-30 22:08:55 -04:00
Richard Moore
75abc0e5f6 Updated dist files. 2020-03-30 17:24:33 -04:00
Richard Moore
2692e783b4 Fixed Event args keyword access. 2020-03-30 15:11:23 -04:00
Richard Moore
bd32ee0af5 Updating TypeScript library and fixing some audit issues. 2020-03-22 14:57:17 -04:00
Richard Moore
62aad5f8f3 Updated dist files. 2020-03-21 12:48:22 -04:00
Richard Moore
030f65e66c Abstracted JSON-RPC parameter generation for others to use. 2020-03-17 14:00:13 -04:00
Richard Moore
390497f389 Updated RLP package to use Logger instead of bare errors. 2020-03-17 13:58:49 -04:00
Richard Moore
72c89922a4 Fixed log level filtering for Logger (#379). 2020-03-17 13:57:53 -04:00
Richard Moore
9ea16e5172 Throw errors when trying to RLP encode integers. 2020-03-17 13:55:45 -04:00
Richard Moore
b1c6575a1b Updated dist files. 2020-03-14 16:59:58 +01:00
Richard Moore
3b7176f322 Fixed typo in error (#722). 2020-03-13 18:37:23 +01:00
Richard Moore
5f7ddcd5d7 Fix EtherscanProvider from throwing outside async context (#729). 2020-03-13 18:34:56 +01:00
Richard Moore
3e44aac8f1 Added delays to provider tests to prevent throttling causing failed tests. 2020-03-13 16:19:48 +01:00
Richard Moore
d2c9214889 Update dist files. 2020-03-12 19:14:50 +01:00
Richard Moore
2c78f0bf26 Checking in initial Eip1193Bridge (experimental). 2020-03-12 19:04:15 +01:00
Richard Moore
117a5dd7ff Added initial WebSocketProvider (#141). 2020-03-12 18:53:34 +01:00
Richard Moore
fe3b3fa1ad Renamed properties based on community recommendations; estimate to estimateGas and addressPromise to resovledAddress. 2020-03-10 19:02:53 +01:00
Richard Moore
e52312e783 Better error reporting and fixed look-ahead for data labels. 2020-03-10 19:01:59 +01:00
Richard Moore
7d34f73769 Updated dist files. 2020-02-27 19:58:05 +00:00
Richard Moore
6809c370c0 Fixed syncScrypt declaration and use for json-wallets. 2020-02-27 19:49:05 +00:00
Richard Moore
64dccb275c Fix address-less filter listening in Provider (#741). 2020-02-27 19:29:02 +00:00
Richard Moore
0ad94cdf81 Added sync version of wallet decryption. 2020-02-27 18:42:59 +00:00
Richard Moore
2ac8c0276d Updated dist files. 2020-02-26 10:06:48 +00:00
Richard Moore
1a32990c81 Updating some packages that audit complains about (dev deps only). 2020-02-26 09:48:12 +00:00
Richard Moore
8f25e6ab5d Updated docs. 2020-02-25 14:57:11 -05:00
Richard Moore
1cfab3173c Reduced default Provider quorum for testnets. 2020-02-25 14:52:10 -05:00
Richard Moore
ad27600c69 Added JSON-RPC debugging on error responses. 2020-02-25 14:51:32 -05:00
Richard Moore
ac51a88c29 Fixed setLogLevel to affect global logging. 2020-02-25 14:51:04 -05:00
Richard Moore
f61f34bfb2 Renamed interface getTopic to getEventTopic. 2020-02-25 14:50:35 -05:00
Richard Moore
a5d2ec534f Fix log parsing when no matching topic hash is found (#733). 2020-02-25 13:51:51 -05:00
Richard Moore
4b8e198bf2 Fix log parsing when no matching topic is found (#733). 2020-02-25 13:51:33 -05:00
Wighawag
89ac9f4f29 parse log on tx confirmation should not fail 2020-02-20 15:21:35 +00:00
Ronan Sandford
908a33d190 Merge pull request #6 from ethers-io/ethers-v5-beta
Ethers v5 beta
2020-02-20 15:02:47 +00:00
Richard Moore
8c164ab3d0 Updated dist files. 2020-02-17 20:22:33 -05:00
Richard Moore
94db5dbdcf Remove dead code. 2020-02-17 18:15:03 -05:00
Richard Moore
311af88cfa Added default EtherscanProvider key. 2020-02-17 18:14:02 -05:00
Richard Moore
2fdf995e8a Updated generated documentaiton. 2020-02-17 17:56:50 -05:00
Richard Moore
067d96062a Updated documentation source. 2020-02-17 17:56:13 -05:00
Richard Moore
4c9d740cdf Updated dist files. 2020-02-16 16:34:49 -05:00
Richard Moore
a930047a10 Added default API key for EtherscanProvider. 2020-02-16 16:29:29 -05:00
Richard Moore
4e41871fa4 Fixed typo in arguments name for waitForTransaction (#477). 2020-02-16 16:15:00 -05:00
Richard Moore
9947acc349 Partial support for non-English mnemonics for encrypted JSON wallets (#685). 2020-02-16 16:13:24 -05:00
Richard Moore
f9c1a24787 Increase UMD karma test timeout (for CI). 2020-02-13 16:23:53 -05:00
Richard Moore
6628b58561 Updated reporter to force output for CI. 2020-02-13 15:27:56 -05:00
Richard Moore
027467ad86 Updated dist files (for CI). 2020-02-12 18:21:51 -05:00
Richard Moore
6f2e9a7941 Reduce number of HDNode testcases so CI does not timeout. 2020-02-12 18:18:12 -05:00
Richard Moore
0e1cd4282d Added automatic createRelease to publish-all. 2020-02-12 17:18:43 -05:00
Richard Moore
ca25c2f13d Updated changelog. 2020-02-12 17:12:25 -05:00
Richard Moore
ab5ebd04c3 Updated dist files (for CI). 2020-02-12 15:55:09 -05:00
Richard Moore
133291e9ba Fix for node 8.x solc tests. 2020-02-12 15:00:18 -05:00
Richard Moore
fa25e61f77 Updates dist files (for CI). 2020-02-12 14:39:03 -05:00
Richard Moore
ec198fdb93 Set contract testcase timeout to daemon timer. 2020-02-12 14:33:39 -05:00
Richard Moore
afa54e356a Prevent failed event testcase from stalling node. 2020-02-10 16:51:42 -05:00
Richard Moore
c75bc3daa0 Updated testcase balance value. 2020-02-10 16:38:40 -05:00
Richard Moore
90959c679e Added libudev to CircleCI. 2020-02-10 16:13:39 -05:00
Richard Moore
88765d55cc Adding libusb to CircleCI. 2020-02-10 16:09:13 -05:00
Richard Moore
f259f9815d Updated dist files. 2020-02-10 15:51:58 -05:00
Richard Moore
944600d779 Added experimental EipWrappedProvider. 2020-02-10 15:40:55 -05:00
Richard Moore
b962b59ab7 Updated signature for JsonRpcProvider.send to match EIP-1193. 2020-02-10 15:39:38 -05:00
Richard Moore
375bd15594 Added binary literal support to ASM grammar. 2020-02-10 14:37:24 -05:00
Richard Moore
f9ab665b52 Updated dist files. 2020-02-06 18:21:34 -05:00
Richard Moore
a6b696d8bd Added explicit pop placeholders to ASM dialect. 2020-02-06 18:07:17 -05:00
Richard Moore
89615c59d3 Added position independent code option for asm. 2020-02-06 03:30:31 -05:00
Richard Moore
a33bf0e37f Added ASM semantic checking and the Pop placeholder. 2020-02-05 21:55:26 -05:00
Richard Moore
e7adc84a97 Better type safety for defineReadOnly. 2020-02-04 08:01:26 -05:00
Richard Moore
ff9bc2a282 Fixed CLI sandbox quiting after prompt entry. 2020-02-04 07:10:06 -05:00
Richard Moore
b29510e363 Updated dist files. 2020-02-04 01:06:47 -05:00
Richard Moore
13dbf1f965 Synced GitHub issue cache. 2020-02-04 00:54:36 -05:00
Richard Moore
5622f703d9 Better typing for Timers. 2020-02-04 00:50:27 -05:00
Richard Moore
edb7c5da91 Safer transaction serialization, matching signature.v with chainId (#708). 2020-02-04 00:48:45 -05:00
Richard Moore
15bb840907 Fixed Opcode typo and added check to prevent future typos. 2020-02-03 23:10:11 -05:00
Richard Moore
f02c7db410 Renamed AST nodes for teh assembler. 2020-02-03 23:09:32 -05:00
Richard Moore
bacc440397 Added timeout to waitForTransaction (#477). 2020-02-03 23:05:04 -05:00
Richard Moore
8eb0190d5e Updated docs to use external links. 2020-02-02 07:58:29 -05:00
Richard Moore
acd601e7e7 Updated docs output. 2020-02-02 00:53:22 -05:00
Richard Moore
05bfe21caf Updated documentation. 2020-02-02 00:52:20 -05:00
Richard Moore
aafa42a32b Added CLI for asm package. 2020-02-01 04:37:20 -05:00
Richard Moore
1c85fe95b2 Added more flatworm documentation. 2020-02-01 03:39:21 -05:00
Richard Moore
1decb13799 Prevent Signer.checkTransaction from creating conflicting from properties. 2020-02-01 03:38:19 -05:00
Richard Moore
ba29618896 Include asm in generated TypeScript dependencies. 2020-02-01 03:37:02 -05:00
Richard Moore
fa317ebc03 Clean up some asm checks and dead code. 2020-01-30 21:47:52 -05:00
Richard Moore
da8153c877 More contained Opcode API. 2020-01-30 21:41:03 -05:00
Richard Moore
0296594aba Added initial codedrop for the asm package. 2020-01-30 21:26:46 -05:00
Richard Moore
748f89660a Updated expected balance in test cases. 2020-01-29 22:45:34 -05:00
Richard Moore
2987925fa5 Updated dist files. 2020-01-29 22:14:34 -05:00
Richard Moore
0589b3102e Fix backwards compatibility with certain parsed JSON objects passed into Interface and Contracts (#721). 2020-01-29 22:01:42 -05:00
Richard Moore
df51b26fe7 Updated ENS registry address for all networks. 2020-01-29 21:54:49 -05:00
Richard Moore
bee5944567 Updated dist files. 2020-01-29 21:43:56 -05:00
Richard Moore
7428776f75 Better solc support in CLI; it will search the local pacakge for an existing solc version. 2020-01-29 21:36:50 -05:00
Richard Moore
edb49da155 Update ENS registry address and lower default quorum for testnets. 2020-01-29 21:34:24 -05:00
Richard Moore
99329b013c Exposed isBytes and isBytesLike in ethers.utils. 2020-01-29 21:32:34 -05:00
Richard Moore
c11e7c348e Updated dist files. 2020-01-21 20:37:22 -05:00
Richard Moore
e0d1d3866d Better, easier and more provider testing. 2020-01-21 20:16:48 -05:00
Richard Moore
f92d156f17 Updated dist files. 2020-01-21 19:08:05 -05:00
Richard Moore
251882ced4 Fixed out-of-bounds difficulty in getBlock, which can affect PoA networks (#711). 2020-01-21 18:37:16 -05:00
Richard Moore
1ff5f5233e Updated dist files. 2020-01-20 19:43:50 -05:00
Richard Moore
adf56229c6 Fixed imports after refactor. 2020-01-20 19:34:55 -05:00
Richard Moore
931da2f774 Refactor some enum names and add UTF-8 error support to the umbrella package. 2020-01-20 19:29:06 -05:00
Richard Moore
5878b54d6e Allow arbitrary apiKey for UrlJsonRpcProvider. 2020-01-20 19:27:33 -05:00
Richard Moore
a055edb585 Added more general error handling (e.g. error, ignore, replace) for calling toUtf8String. 2020-01-20 19:26:49 -05:00
Richard Moore
2d72c856a2 Updated dist files. 2020-01-18 21:48:12 -05:00
Richard Moore
f4bcf24a25 Much more resiliant FallbackProvider which can ignore properties that are only approximate and supports per-provider priorities (#635, #588). 2020-01-18 21:24:28 -05:00
Richard Moore
ea102ef7c4 Fixed some typing for receipts and logs (#497). 2020-01-18 21:11:55 -05:00
Richard Moore
92a383ff0d Abstracting mnemonic phrases (#685). 2020-01-18 21:09:02 -05:00
Ronan Sandford
792afabdc0 Merge pull request #4 from ethers-io/ethers-v5-beta
Ethers v5 beta
2020-01-13 08:44:01 +05:30
Richard Moore
75e1a37bb5 Sync GitHub issues. 2020-01-11 20:15:29 -05:00
Richard Moore
c66d81e96f Fixed 304 status for fetchJson. 2020-01-11 20:14:29 -05:00
Richard Moore
10943fc3ef Updated dist files. 2020-01-11 04:18:28 -05:00
Richard Moore
bb9aa808a0 Fixed date formatting in CHANGELOG. 2020-01-11 04:17:08 -05:00
Richard Moore
90ed07c74e Fixed testcases for provider changes. 2020-01-11 04:11:55 -05:00
Richard Moore
245cd0e48e Add support for legacy flat signatures with recid instead of normalized v. 2020-01-11 04:10:57 -05:00
Richard Moore
72b3bc9909 Fix TransactionResponse to have chainId instead of legacy networkId (#700). 2020-01-11 03:34:59 -05:00
Richard Moore
4151c0eacd Fixed splitSignature computing wrong v for BytesLike (#700). 2020-01-11 03:34:00 -05:00
Richard Moore
b288ad9ba7 Updated dist files. 2020-01-10 21:14:46 -05:00
Richard Moore
6da5c53120 Fixed Contract and Interface constructor abi paramter type; should be a Fragment not a ParamType (#602). 2020-01-10 21:12:58 -05:00
Richard Moore
26d3271643 Add missing chainId to transaction responses (#700). 2020-01-10 20:59:28 -05:00
Richard Moore
c84664953d Added dist files for hardware-wallets. 2020-01-10 20:09:40 -05:00
Richard Moore
6f7fbf3858 Browser support (with dist files) for Ledger. 2020-01-10 19:59:20 -05:00
Richard Moore
41740956df Updated dist files. 2020-01-10 03:19:21 -05:00
Richard Moore
602e6a8973 Relaxed joinSignature API to allow SignauteLike. 2020-01-10 02:59:13 -05:00
Richard Moore
2e8f5ca7ed Initial code drop of new hardware wallet package. 2020-01-10 02:50:09 -05:00
Richard Moore
381a72ddaa Added more docs. 2020-01-10 01:01:00 -05:00
Richard Moore
074eb4ba69 Updated dist files. 2020-01-09 03:32:50 -05:00
Richard Moore
c04f9a7fff Fixed require resolution for CLI scripts. 2020-01-09 03:22:19 -05:00
Richard Moore
3c184ace21 Added new URLs for default ETC (and ETC testnets) providers (#351). 2020-01-08 17:59:21 -05:00
Richard Moore
12da07579a Updated dist files. 2020-01-07 20:06:25 -05:00
Richard Moore
bd066b8542 Fix resolveName when name is an address with an invalid checksum (#694). 2020-01-07 20:04:58 -05:00
Richard Moore
a7e29d60f7 Updated dist files. 2020-01-07 19:58:04 -05:00
Richard Moore
2d5492cd2e Use better Description typing. 2020-01-07 19:47:55 -05:00
Richard Moore
13f50abd84 Better property access on ABI decoded results (#698). 2020-01-07 19:46:51 -05:00
Richard Moore
d0f4642f6d Better typing support for Description. 2020-01-07 19:44:45 -05:00
Richard Moore
1e72fc7d6f Fixed resolveName when name is an address with an invalid checksum (#694). 2020-01-07 19:41:43 -05:00
Richard Moore
a21c430c7a Updated dist files. 2020-01-06 19:00:55 -05:00
Richard Moore
eb26a6d950 Added function to generate CREATE2 addresses (#697). 2020-01-06 18:51:36 -05:00
Richard Moore
a648f2bd1e Force constructor name to be null (instead of undefined). 2020-01-06 18:48:36 -05:00
Richard Moore
e593aba294 Added documentation uploading script. 2020-01-06 18:47:20 -05:00
Richard Moore
4478896ca5 Fixed testcases for PhantomJS syntax. 2020-01-03 19:43:27 -05:00
Richard Moore
5724fa5d9c Added Czech wordlist to default wordlists export (#691). 2020-01-03 19:41:23 -05:00
Richard Moore
f54f06b5c8 Added Czech BIP-39 wordlist (#691). 2020-01-03 19:39:22 -05:00
Richard Moore
f996ec0c32 Updated dist files. 2020-01-03 19:01:29 -05:00
Richard Moore
c76e01e61f Properly handle errors in the IpcProvider (#695). 2020-01-03 18:56:07 -05:00
Richard Moore
f8087ae39c Added utility function to compute CREATE2 addresses (#697). 2020-01-03 18:20:15 -05:00
Richard Moore
7250cdcd31 Updated dist files. 2019-12-21 01:09:18 -05:00
Richard Moore
20f34f1ba9 Added proper support for v0.6 Solidity JSON type (#688). 2019-12-21 01:03:05 -05:00
Richard Moore
e809eadf8d Updated README. 2019-12-15 02:08:02 -05:00
Richard Moore
184c459fab Updating docs. 2019-12-13 22:05:10 -05:00
Richard Moore
06cafe3437 Merge branch 'yuetloo-ethers-v5-beta' into ethers-v5-beta 2019-12-13 14:55:29 -05:00
Yuet Loo
fdf0980663 add circleci and parity test files 2019-12-09 23:01:21 -05:00
Richard Moore
9c78c7fee6 Fixed typo in package test dist scripts. 2019-11-25 14:23:22 +09:00
Richard Moore
fa9f53def7 Updated dist files. 2019-11-25 00:02:22 +09:00
Richard Moore
cf036e1ffa Update elliptic package to protect from Minerva timing attack (#666). 2019-11-24 23:53:18 +09:00
Richard Moore
4ac08432b8 Fixed PhantomJS test cases for new elliptic library. 2019-11-24 20:56:28 +09:00
Richard Moore
3e3048df81 Merge branch 'master' of github.com:ethers-io/ethers.js 2019-11-24 20:06:38 +09:00
Richard Moore
c6199bf52a Updated dist files. 2019-11-24 20:06:10 +09:00
Richard Moore
20409c083c Update elliptic package to protect from Minerva timing attack (#666). 2019-11-24 19:55:10 +09:00
Richard Moore
7a90f18145 Do not poll if disabled during the previous event loop. 2019-11-24 19:34:17 +09:00
Richard Moore
df1ae611ba Moved node types to devDependencies (#663). 2019-11-24 19:33:02 +09:00
Richard Moore
6009a26c89 Added provider property to Web3Provider (#641). 2019-11-24 19:31:02 +09:00
Richard Moore
4470477d7f Browser and node testing works again. 2019-11-24 19:13:37 +09:00
Richard Moore
e3752e5986 Updated CHANGELOG. 2019-11-23 21:48:16 +09:00
Richard Moore
f308ba3540 Updated dist files (sorted package.json to reduce package version change chatter). 2019-11-23 21:38:13 +09:00
Richard Moore
2f0e679f0b Stubs for adding throttle support. 2019-11-23 21:21:27 +09:00
Richard Moore
abab9f6aa2 Refactor wordlists. 2019-11-23 21:20:23 +09:00
Richard Moore
c11c2e2e33 Browser testcases work again. 2019-11-23 21:15:06 +09:00
Richard Moore
3d75c52dac Added dist files for non-English wordlists. 2019-11-22 20:38:57 +09:00
Richard Moore
30984b6f00 Merge pull request #628 from evertonfraga/patch-1
Fix typo in tests/readme.md.
2019-11-20 21:01:58 +09:00
Richard Moore
29f0e9dd62 Sync GitHub issue cache. 2019-11-20 19:13:52 +09:00
Richard Moore
79ef1e975d Updated dist files. 2019-11-20 18:57:38 +09:00
Richard Moore
3ab373334c Updated API in testcases. 2019-11-20 18:31:19 +09:00
Richard Moore
b72ef27b2a Fixed scrypt import in ESM build. 2019-11-20 18:29:42 +09:00
Richard Moore
e518151509 Fixed null apiKey problem for InfuraProvider. 2019-11-20 18:28:13 +09:00
Richard Moore
19aaade9c6 Added support for sighash-style tuple parsing. 2019-11-20 18:26:59 +09:00
Richard Moore
c35ddaf646 Fixed solc imports for cli. 2019-11-19 18:17:31 +09:00
Richard Moore
8316406977 Added nonce manager to experimental index. 2019-11-19 18:15:47 +09:00
Richard Moore
01ca35036c Removing NodesmithProvider from default provider as it is being discontinued. 2019-11-19 18:14:40 +09:00
Richard Moore
da8ca2e8bc Moved bare ABI named functions and events from Interface into Contracts to simplify other consumers of Interface. 2019-11-19 18:13:58 +09:00
Richard Moore
1ec5804bd4 Added support for complex API keys including support for INFURA project secrets (#464, #651, #652). 2019-11-19 18:00:05 +09:00
Richard Moore
75895fa149 Migrated to scrypt-js v3. 2019-11-13 21:47:08 +09:00
Richard Moore
51e4ef2b45 Moved getDefaultProvider to providers package. 2019-11-01 23:54:05 +09:00
Richard Moore
e1509a6326 Migrating providers to modern syntax and scoping (#634). 2019-11-01 23:51:08 +09:00
Richard Moore
394c36cad4 Migrating to modern syntax and scoping (#634). 2019-11-01 23:33:51 +09:00
Richard Moore
1d4f90a958 Added provider property to Web3Provider (#641). 2019-11-01 22:18:17 +09:00
Richard Moore
494381a628 Updated GitHub issue cache. 2019-11-01 22:16:50 +09:00
Richard Moore
76a8e503dd Updated dist files. 2019-10-30 19:17:31 +09:00
Richard Moore
d0e0e30532 Fix filters by forcing a poll instantly when polling starts to capture the current block (#613). 2019-10-30 19:13:32 +09:00
Richard Moore
d9d438a119 Force deploy receipt to address to be null (#573). 2019-10-19 20:33:57 +09:00
Richard Moore
3d514c8dbb Updated experimental NonceManager. 2019-10-19 20:02:48 +09:00
Richard Moore
28339a9c85 Fixed typo in error message. 2019-10-19 20:01:57 +09:00
Richard Moore
fea867a206 Added GitHub issue caching. 2019-10-19 20:00:39 +09:00
Richard Moore
b3f5266e78 Updated dist files. 2019-10-17 01:32:36 +09:00
Richard Moore
0609ea9651 Fixed TypeScript 3.7-beta import issue (#622). 2019-10-17 01:30:00 +09:00
Richard Moore
5b0c15930f Update dist files. 2019-10-17 01:12:03 +09:00
Richard Moore
12cfc59965 Fixed getBlock for blockhashes with a leading 0 (#629). 2019-10-17 00:53:25 +09:00
Ev
5af16a6090 Update README.md 2019-10-14 01:25:55 +09:00
Richard Moore
3c864de612 Updated dist files. 2019-09-28 02:36:19 -04:00
Richard Moore
778eb3b425 Added less-common, but useful, coding functions to Interface. 2019-09-27 21:56:42 -04:00
Richard Moore
3d25882d6b Add response handling and 304 support to fetchJson. 2019-09-27 21:55:40 -04:00
Richard Moore
a12030ad29 Allow numeric values in a transaction to be odd-lengthed hexstrings (#614). 2019-09-27 21:54:10 -04:00
Ronan Sandford
9b65111fc6 Merge pull request #3 from ethers-io/ethers-v5-beta
Ethers v5 beta
2019-09-25 12:06:02 +01:00
Richard Moore
828c8cfd41 Simpler crypt for admin tools. 2019-09-20 22:38:03 -04:00
Richard Moore
4f88c5ba6e Added changelog. 2019-09-20 02:21:11 -04:00
Richard Moore
238fcba83b Updated dist files. 2019-09-08 02:46:53 -04:00
Richard Moore
751793ea25 Fixed getContractAddress for odd-length hex values (#572). 2019-09-08 02:39:00 -04:00
Ronan Sandford
8d27286be1 Merge pull request #2 from ethers-io/ethers-v5-beta
Ethers v5 beta Update
2019-09-07 04:36:31 -03:00
Richard Moore
023e946072 Update dist files. 2019-09-06 19:09:40 -04:00
Richard Moore
004cb826d2 Added pkg.ethereum key for donations (#593). 2019-09-06 19:03:15 -04:00
Richard Moore
6f4291f65f Fixed typo in error message (#592). 2019-09-06 18:49:36 -04:00
Richard Moore
bfcf224b2b Fixed typo in error message (#592). 2019-09-06 18:48:47 -04:00
Richard Moore
9c63b4a753 Fixed typo in error message (#580). 2019-09-06 18:48:14 -04:00
Richard Moore
c969fe5a68 Fixed typo in error message (#580). 2019-09-06 18:47:21 -04:00
Richard Moore
22a26736cc Fixed typo in error message (#574). 2019-09-06 18:46:34 -04:00
Richard Moore
8737f12e1b Fixed typo in error message (#574). 2019-09-06 18:45:56 -04:00
Richard Moore
f0b2961f08 Updated Changelog. 2019-09-06 17:58:37 -04:00
Richard Moore
4c17c4db04 Removed export star to fix UMD dist file. 2019-09-06 17:48:26 -04:00
Richard Moore
e8028d0e73 Updated TypeScript version. 2019-09-06 12:25:17 -04:00
Richard Moore
1e0ed4e99a Fixed test suites and reporter. 2019-09-01 00:13:35 -04:00
Richard Moore
2187604913 Added lock-versions admin tool. 2019-08-31 23:58:54 -04:00
Richard Moore
85b4db7d6d Updated packages with version lock and moved types. 2019-08-31 23:56:02 -04:00
Richard Moore
1267eeef4a Updated dist files. 2019-08-26 17:31:40 -04:00
Richard Moore
11c250ff7c Updated package-lock for security reasons; dev dependency only. 2019-08-26 16:08:41 -04:00
Richard Moore
019c1fc708 Fixed typo in error message (#592). 2019-08-26 16:00:51 -04:00
Richard Moore
c303199d26 Fixed typo in error message (#592). 2019-08-26 15:59:43 -04:00
Richard Moore
3a91e91df5 Fixed build process to re-target browser field to ES version. 2019-08-25 16:20:34 -04:00
Richard Moore
73a0077fd3 Major overhaul in compilation to enable ES6 module generation. 2019-08-25 02:39:20 -04:00
Richard Moore
81fd9428ca Updated some of the flatworm docs. 2019-08-23 15:25:13 -04:00
Richard Moore
ebfca98dc2 Fixed package descriptions (#561). 2019-08-22 18:03:33 -04:00
Richard Moore
ae458a1a49 Updated dist files. 2019-08-22 17:45:59 -04:00
Richard Moore
760a5aec74 Fixed ENS lookupAddress when the resolver isn't configured (#581). 2019-08-22 17:42:23 -04:00
Richard Moore
6f4ca61208 Updated dist files. 2019-08-22 17:12:51 -04:00
Richard Moore
c031a13368 Added Wrapped Ether and Token transfers to CLI. 2019-08-22 17:06:50 -04:00
Richard Moore
07e15993ba Fixed sendTransaction and use median gas price in FallbackProvider. 2019-08-22 16:51:35 -04:00
Richard Moore
a12d60d722 Port optional Secret Storage wallet address to v5 (#582). 2019-08-22 16:00:53 -04:00
Richard Moore
2967efc2b0 Updated dist files. 2019-08-22 15:27:28 -04:00
Richard Moore
24f243e689 Allow Secret Storage wallet address to be optional (#582). 2019-08-22 15:22:20 -04:00
Richard Moore
8745a81b11 Updated flatworm docs output. 2019-08-22 01:52:17 -04:00
Richard Moore
0333a76f4f Added initial flatworm documentation stubs. 2019-08-21 01:53:47 -04:00
Richard Moore
57bf997d33 Updates dist files. 2019-08-21 01:52:13 -04:00
Richard Moore
b7494d8618 Use safe transfer for ENS in CLI. 2019-08-21 01:47:08 -04:00
Richard Moore
b304ec1f00 Fixed quorum-matching logic for FallbackProvider. 2019-08-21 01:45:51 -04:00
Richard Moore
621313d2a6 Added CloudflareProvider (#587). 2019-08-21 01:45:06 -04:00
Richard Moore
724c32e8c0 Added receipt to CALL_EXCEPTION errors. 2019-08-20 14:01:16 -04:00
Richard Moore
db8c46299b Updated dist files. 2019-08-06 19:15:30 -04:00
Richard Moore
edb26b1635 Updated gas estimate failure messaging to include that the tx may simple be causing a revert. 2019-08-06 19:11:56 -04:00
Richard Moore
de4b2a449c Additional sanity checks in ethers-ens. 2019-08-06 19:11:09 -04:00
Richard Moore
9977c9f66a Fix bug in --wait for CLI. 2019-08-06 18:05:44 -04:00
Richard Moore
7dfef463f8 Added content-hash support to ENS CLI. 2019-08-06 02:22:11 -04:00
Richard Moore
2cc51542be Updted dist files. 2019-08-05 14:38:04 -04:00
Richard Moore
226bb63184 Updated dist files. 2019-08-05 14:31:04 -04:00
Richard Moore
19ee2b5160 Using CLI --wait instead of custom Plugin flag. 2019-08-04 19:55:46 -04:00
Richard Moore
7640292ac8 Added --wait as a general flag to CLI. 2019-08-04 19:54:38 -04:00
Richard Moore
31e8e1b052 Added migrate-registrar and transfer to ENS CLI. 2019-08-04 19:22:04 -04:00
Richard Moore
53bd96a9f6 Include data in the CLI dump. 2019-08-04 19:20:38 -04:00
Richard Moore
0e6b810def Better errors on gas estimation failure. 2019-08-04 19:20:03 -04:00
Richard Moore
e6bab2e94f Updated changelog. 2019-08-03 01:30:21 -04:00
Richard Moore
692589db54 Added package name prefix to all _version for Logger. 2019-08-03 01:27:20 -04:00
Richard Moore
3ba45ff064 Updated dist files. 2019-08-03 01:07:19 -04:00
Richard Moore
1cabce7e1c Fixed old references to errors package. 2019-08-03 01:05:39 -04:00
Richard Moore
b21681a7f4 Added generation scripts for Table A.1 for stringprep (#42). 2019-08-03 00:54:39 -04:00
Richard Moore
8a45687a5b Updated dist files. 2019-08-03 00:46:00 -04:00
Richard Moore
f955dca417 Fixed some case-folding and added Table A.1 for IDNA (#42). 2019-08-03 00:43:22 -04:00
Richard Moore
c09de16347 Removed references to legacy errors pacakge and updated umbrella pacakge. 2019-08-02 02:32:32 -04:00
Richard Moore
226c100c72 Updated admin module to use new fetchJson. 2019-08-02 02:11:22 -04:00
Richard Moore
8354c3f9fe Updated dist files. 2019-08-02 02:10:58 -04:00
Richard Moore
0af95f4a65 Full case-folding for IDNA in namehash. 2019-08-02 01:58:42 -04:00
Richard Moore
0b224e8fb5 Deprecating errors for logger. 2019-08-01 18:04:06 -04:00
Richard Moore
e8f28b55d7 More consistent debug events for Providers. 2019-08-01 16:13:35 -04:00
Richard Moore
638d1fe62e Updated dist files. 2019-07-27 19:02:24 -03:00
Richard Moore
c3c65b2fa1 Initial drop of new ENS CLI tool. 2019-07-27 18:53:19 -03:00
Richard Moore
6de4a5d8a9 Added TypeScript tool support for functions with multiple outputs. 2019-07-27 18:51:39 -03:00
Richard Moore
b67b121239 Added CLI support for stand-alone (no sub-command) tools. 2019-07-27 18:51:05 -03:00
Richard Moore
74dbc281ed Make utils.resolveProperties preserve object parameter order. 2019-07-27 18:45:51 -03:00
Richard Moore
28eb38ee70 Added initial IDNA support for full UTF-8 support in namehash (#42). 2019-07-27 18:44:53 -03:00
Richard Moore
47663ca26b Updated dist files. 2019-07-23 01:04:32 -03:00
Richard Moore
99c7b1ca94 Use the CLI solc instead of solc directly for ABI testcase generation. 2019-07-23 01:01:00 -03:00
Richard Moore
b132e32172 Added experimental UTF-8 functions for escaping non-ascii strings. 2019-07-23 00:58:07 -03:00
Richard Moore
600524842e Bump Solidity version in CLI to 0.5.10. 2019-07-23 00:49:01 -03:00
Richard Moore
a62af37b23 Updated dist files. 2019-07-20 21:06:45 -03:00
Richard Moore
efaafb203f Keep extra filter topics when using Frgment filters in Contracts. 2019-07-20 21:03:53 -03:00
Richard Moore
d88ee45937 Updated package.json description for Contract package (#561). 2019-07-20 20:16:57 -03:00
Richard Moore
46149cfe16 Updated dist files. 2019-07-20 20:13:00 -03:00
Richard Moore
083fd76a3a Export provider.Formatter (#562). 2019-07-20 20:09:49 -03:00
Richard Moore
9a4119910b Update CLI to use new Fragment.format style. 2019-07-20 20:03:50 -03:00
Richard Moore
a05027c744 Added FormatTypes to utils. 2019-07-20 19:57:21 -03:00
Richard Moore
5877418de9 Added experimental memory-hard password scheme for password-protected mnemonics to the CLI. 2019-07-20 19:56:43 -03:00
Richard Moore
e9558c8d4f Added more flexible output options to fragment.format (JSON and minimal) and better JSON object parsing. 2019-07-20 19:53:07 -03:00
Richard Moore
d719064628 Updated package-lock for lodash security advisory; the package is only a development dependency, so no urgent need to publish, just for developers (lodash/lodash#4336). 2019-07-15 19:22:21 -03:00
Richard Moore
a7d0b41d98 Reduce number of HDNode tests which cause TravisCI to timeout. 2019-07-09 20:16:37 -04:00
Richard Moore
0a24a86d89 Updated dist files. 2019-07-09 17:30:10 -04:00
Richard Moore
e4423b7a27 Make mnemonic phrases case agnostic (#557). 2019-07-09 17:25:10 -04:00
Richard Moore
a980fc3db0 Updated dist files. 2019-07-09 16:56:49 -04:00
Richard Moore
ab5f9e2f82 Updated dist filels. 2019-07-02 16:13:03 -04:00
Richard Moore
9cc269ceb5 Adding more support for offline signing in the CLI. 2019-07-02 16:08:53 -04:00
Richard Moore
6484908cb2 Allow providers to prepare their Network object. 2019-07-02 16:06:47 -04:00
Richard Moore
04bdf456eb Export BIP-44 default path in ethers.utils.. 2019-07-02 16:04:34 -04:00
Richard Moore
d55ce00d3b Updated dist files. 2019-06-28 16:18:04 -04:00
Richard Moore
0e78386a08 Do not require a Signer for contract.populateTransaction. 2019-06-28 15:47:42 -04:00
Richard Moore
7715e233bb Updated dist files. 2019-06-24 22:31:51 -04:00
Richard Moore
e2da447c7b Bumping version of solc to 0.5.9. 2019-06-24 22:26:48 -04:00
Richard Moore
9f88f8c7ec Updating dist files. 2019-06-24 21:26:48 -04:00
Richard Moore
5eb393d828 Fix non-ES6 import in keccak256. 2019-06-24 21:12:54 -04:00
Richard Moore
37446bd80d Updated dist files. 2019-06-12 09:38:15 -04:00
Richard Moore
746d255b74 Refactored wordlist exports to export Wordlist directly. 2019-06-12 09:35:44 -04:00
Richard Moore
8a3397dedb Updated dist files. 2019-06-12 01:25:05 -04:00
Richard Moore
826ffbc7c4 Move from node-fetch to cross-fetch; better browser fallback implementation. 2019-06-12 01:22:53 -04:00
Richard Moore
de93409d21 Updated dist files. 2019-06-12 01:01:04 -04:00
Richard Moore
5e4535e939 Added getStatic with support for inheritance of static methods. 2019-06-11 23:42:35 -04:00
Richard Moore
7164e51131 Fixed node-fetch for Safari (todo: push this fix upstream to node-fetch). 2019-06-11 23:40:28 -04:00
Richard Moore
62201c5eeb Migrated XMLHttpRequest to fetch API (#506). 2019-06-11 22:40:45 -04:00
Richard Moore
6c1902544c Updated dist files. 2019-06-11 17:57:04 -04:00
Richard Moore
deb2281af2 Fixed changelog issue links. 2019-06-11 17:56:33 -04:00
Richard Moore
1bc792d9dc Removed freeze option from deepCopy; all properties are read-only and only objects may have new properties added. 2019-06-11 17:52:42 -04:00
Richard Moore
257d67c962 Moved away from isNamedInstance which breaks after Browserify name mangling. 2019-06-10 22:25:46 -04:00
Richard Moore
e6f6383346 Expose poll function in utils (#512). 2019-06-05 21:52:09 -04:00
Richard Moore
095c1fe579 Make TransactionResponse hash required (#537). 2019-06-05 21:49:38 -04:00
Richard Moore
69bfc6b736 Updated dist files. 2019-06-04 16:08:07 -04:00
Richard Moore
5bf763fe23 Fixed INFURA project ID checking (#534). 2019-06-04 16:03:31 -04:00
Richard Moore
e8f5e4a9d9 Updated dist files. 2019-06-01 14:19:43 -04:00
Richard Moore
c4a494b528 Fixed invalid arrayify value in browser for SHA2-HMAC (#530). 2019-06-01 14:04:03 -04:00
Richard Moore
a2d4b29071 Fix event and function fragment formatting. 2019-05-30 20:19:53 -04:00
Richard Moore
5ba6a616a6 Fixed default JsonRpcSigner (#532). 2019-05-30 20:18:21 -04:00
Richard Moore
9122310481 Updated admin readme. 2019-05-24 19:00:54 -04:00
Richard Moore
898a8b8d93 Added missing issue links to change entry. 2019-05-24 18:33:36 -04:00
Richard Moore
7b4df74d4d Updating changelog with links. 2019-05-24 18:27:07 -04:00
Richard Moore
4a3f7190dc Added changelog management to update-versions. 2019-05-24 18:16:46 -04:00
Richard Moore
1f04812bf9 Updated dist files. 2019-05-24 18:15:42 -04:00
Richard Moore
eea53bb1be Added queryFilter to Contracts (#463). 2019-05-24 15:59:04 -04:00
Richard Moore
cf39adb090 Allow storage class in Human-Readable ABI (#476). 2019-05-24 15:51:45 -04:00
Richard Moore
044554b585 Track per-provider JSON-RPC ID (#) 2019-05-24 15:31:30 -04:00
Richard Moore
47d92aeff0 Fixed typo in error message (#470). 2019-05-24 14:47:31 -04:00
Richard Moore
80423ac68e Updated dist files. 2019-05-23 19:13:44 -04:00
Richard Moore
3cbc4b4622 Better error message for unconfigured ENS names (#504). 2019-05-23 19:10:15 -04:00
Richard Moore
c05768afab Some documentation changes. 2019-05-23 18:59:04 -04:00
Richard Moore
8cdda37095 Fixed contract events (#404). 2019-05-23 18:24:31 -04:00
Richard Moore
03c97259c4 Updated license for BaseX to include original authors (was only included in the source). 2019-05-14 21:31:22 -04:00
Richard Moore
22c16112df Add admin support for pacakges with no history from the package gitHead. 2019-05-14 21:23:27 -04:00
Richard Moore
152dcda163 Force TypeScript 3.3.3; newer version have a bug leaving intermediate build files randomly throughout the project. 2019-05-14 21:22:46 -04:00
Richard Moore
6a988b28c8 Updated dist files. 2019-05-14 21:22:06 -04:00
Richard Moore
6ff67898ee Removing TypeScript intermediate files (accidentally committed). 2019-05-14 18:56:03 -04:00
Richard Moore
7c3ed406c2 Updated dist files. 2019-05-14 18:48:48 -04:00
Richard Moore
1f9cc05552 Fixed new glob logic to explicitly include JSON file. 2019-05-14 18:43:45 -04:00
Richard Moore
573a911e88 Updated references to umbrella package in tests. 2019-05-14 18:42:45 -04:00
Richard Moore
d2ccdcfbc2 Aion-specific packages moved to separate repository. 2019-05-14 18:40:59 -04:00
Richard Moore
2777f5cb4c Initial v5 branch commit. 2019-05-14 18:25:46 -04:00
Richard Moore
d06e7d0fd6 Preparing to split up ethers.js v5 branch. 2019-05-14 18:08:51 -04:00
2530 changed files with 241556 additions and 47789 deletions

View File

@@ -1,31 +0,0 @@
module.exports = {
"env": {
"browser": true,
"commonjs": true,
"node": true
},
"extends": [
// "eslint:recommended",
// "plugin:promise/recommended"
],
"parserOptions": {
"ecmaVersion": 5
},
"plugins": [
"promise"
],
"rules": {
"promise/always-return": "error",
"promise/no-return-wrap": "error",
"promise/param-names": "error",
"promise/catch-or-return": "error",
"promise/no-native": "off",
// "promise/no-nesting": "warn",
"promise/no-promise-in-callback": "warn",
"promise/no-callback-in-promise": "warn",
// "promise/avoid-new": "warn",
"promise/no-new-statics": "error",
"promise/no-return-in-finally": "warn",
"promise/valid-params": "warn"
}
};

43
.github/workflows/nodejs.yml vendored Normal file
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@@ -0,0 +1,43 @@
name: Node.js CI
on:
push:
branches:
- master
jobs:
test-node:
runs-on: ubuntu-latest
strategy:
matrix:
node-version: [8.x, 10.x, 12.x, 13.x]
steps:
- name: Use Node.js ${{ matrix.node-version }}
uses: actions/setup-node@v1
with:
node-version: ${{ matrix.node-version }}
- uses: actions/checkout@v2
- run: npm ci
- run: npm run bootstrap
- run: npm run test-node
test-browser:
runs-on: ubuntu-latest
strategy:
matrix:
module: [ 'esm', 'umd' ]
steps:
- uses: actions/setup-node@v1
with:
node-version: 12.x
- uses: actions/checkout@v2
- run: npm ci
- run: npm run bootstrap
- run: npm run test-browser-${{ matrix.module }}

18
.gitignore vendored
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@@ -1,10 +1,20 @@
node_modules/
obsolete/
.test-account.key
.account.key
.DS_Store
.tmp/
docs/build/doctrees/
docs/build/html/_sources/
dist/types/shims/
shims/*.d.ts
**/*.swp
*~
# Weird intermediate files tsc generates for references
**/src.ts/*.js
# Weird file Browserify sometimes leaves lying around.
**/*.tmp-browserify-*
lerna-debug.log
packages/*/tsconfig.tsbuildinfo
packages/testcases/input/nameprep/**

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@@ -1,13 +0,0 @@
# Config files for testing and linting
.eslintrc.js
.travis.yml
# This is only needed for building dist and library files
gulpfile.js
# We do not need the TypeScipt source in deployments
tsconfig.json
src.ts/
# To run tests, checkout GitHub
tests/

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@@ -1,17 +0,0 @@
language: node_js
node_js:
- "6"
- "8"
- "10"
env:
- RUN_PHANTOMJS=0
- RUN_PHANTOMJS=1
matrix:
exclude:
- node_js: "6"
env: RUN_PHANTOMJS=1
- node_js: "8"
env: RUN_PHANTOMJS=1

43
CHANGELOG.md Normal file
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@@ -0,0 +1,43 @@
Changelog
=========
This change log is managed by `scripts/cmds/update-versions` but may be manually updated.
ethers/v5.0.4 (2020-07-04 23:46)
--------------------------------
- Prevent negative exponents in BigNumber. ([#925](https://github.com/ethers-io/ethers.js/issues/925); [84e253f](https://github.com/ethers-io/ethers.js/commit/84e253f3f9674b52fa2a17b097644e91e6474021))
- Fixed StaticJsonRpcProvider when auto-detecting network. ([#901](https://github.com/ethers-io/ethers.js/issues/901); [0fd9aa5](https://github.com/ethers-io/ethers.js/commit/0fd9aa5cb6f4a3f9c1bea9b4eeee389700db01fa))
- Added WebSocket static method to Alchemy provider and updated Alchemy URLs. ([4838874](https://github.com/ethers-io/ethers.js/commit/48388741272df8569315637f21df7c6519f79e2e))
ethers/v5.0.3 (2020-06-29 00:50)
--------------------------------
- Fixed typo in error string. ([7fe702d](https://github.com/ethers-io/ethers.js/commit/7fe702d59b0b81d2812e407b99a1e98e0e18ba03))
- Updated elliptic package to address possible malleability issue; which should not affect Ethereum. ([9e14345](https://github.com/ethers-io/ethers.js/commit/9e1434503e2a0280e9918c4eadb4d972b062b3b0))
- Fixed FixedNumber unguarded constructor and added isZero. ([#898](https://github.com/ethers-io/ethers.js/issues/898); [08c74e9](https://github.com/ethers-io/ethers.js/commit/08c74e9a132f37ab8cc3fb5dab3bd1fd708ee702))
- Added StaticJsonRpcProvider for reducing calls to chainId in certain cases. ([#901](https://github.com/ethers-io/ethers.js/issues/901); [c53864d](https://github.com/ethers-io/ethers.js/commit/c53864de0af55dd8ec8ca5681e78da380d85250a))
- Allow getDefaultProvider to accept a URL as a network. ([8c1ff4c](https://github.com/ethers-io/ethers.js/commit/8c1ff4c862b8cecb04c98d71910870e0b73867a0))
- Make network an optional parameter to WebSocketProvider. ([987b535](https://github.com/ethers-io/ethers.js/commit/987b5354cc18ed41620c43910ac163f358d91b5d))
- Removed deprecated errors package. ([f9e9347](https://github.com/ethers-io/ethers.js/commit/f9e9347e69133354c3d65c1f47475ddac8a793cf))
- Updated badges in docs. ([d00362e](https://github.com/ethers-io/ethers.js/commit/d00362eb706cfbf9911611e8d934260061cfbbd2))
- Create security policy. Create security policy. ([88e6849](https://github.com/ethers-io/ethers.js/commit/88e68495b67d9268ee66362b08c9b691d03ab58a))
ethers/v5.0.2 (2020-06-13 21:36)
--------------------------------
- Allow provider.ready to stall until the network is available. ([#882](https://github.com/ethers-io/ethers.js/issues/882); [bbb4f40](https://github.com/ethers-io/ethers.js/commit/bbb4f407b34782c36ff93fa528e3b9f793987d4a))
- Reduce dependencies to squash security issues. ([738d349](https://github.com/ethers-io/ethers.js/commit/738d34969d7c2184242b92f78228ba6a8aed1f3a))
- Updated admin scripts for publishing prod releases. ([e0e0dbe](https://github.com/ethers-io/ethers.js/commit/e0e0dbef1830572c465670b826a7aa2b403ad2e8))
ethers/v5.0.1 (2020-06-12 23:09)
--------------------------------
- Fixed embedded package version strings. ([5a69e9c](https://github.com/ethers-io/ethers.js/commit/5a69e9caa882aa5f1b44c4453d67cde43254eafe))
ethers/v5.0.0 (2020-06-12 19:58)
--------------------------------
- Preserve config canary string. ([7157816](https://github.com/ethers-io/ethers.js/commit/7157816fa53f660d750811b293e3b1d5a2f70bd4))
- Updated docs. ([9e4c7e6](https://github.com/ethers-io/ethers.js/commit/9e4c7e609d9eeb5f2a11d6a90bfa9d32ee696431))

523
CHANGELOG.v5-beta.md Normal file
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@@ -0,0 +1,523 @@
Changelog
=========
This change log is managed by `scripts/cmds/update-versions` but may be manually updated.
ethers/v5.0.0-beta.192 (2020-06-12 04:51)
-----------------------------------------
- Support nonpayable Solidity modifier in ABI. ([adc8d3d](https://github.com/ethers-io/ethers.js/commit/adc8d3d9aec2f5ee8e207f8bc77d99052e473d16))
- More debug information in timeout and fetch errors. ([#678](https://github.com/ethers-io/ethers.js/issues/678); [693094e](https://github.com/ethers-io/ethers.js/commit/693094e97ce4f0dc0cd49b9cf6b1557bd7dc517d))
- Use URL parse instead of constructor for react compatibility. ([#874](https://github.com/ethers-io/ethers.js/issues/874); [5e7d28b](https://github.com/ethers-io/ethers.js/commit/5e7d28b19b18aa1bbb4b851f74f6d7865725be02))
ethers/v5.0.0-beta.191 (2020-06-03 03:41)
-----------------------------------------
- Allow undefined properties in transaction object and fix stray this. ([#860](https://github.com/ethers-io/ethers.js/issues/860); [98bb589](https://github.com/ethers-io/ethers.js/commit/98bb58964bec7dff0ccf481d474354ec1ca6f376), [d2406c4](https://github.com/ethers-io/ethers.js/commit/d2406c42a18c123205918eb46bf24de0ff97ee23))
- Allow JsonRpcSigner to override from if it matches Signer. ([#862](https://github.com/ethers-io/ethers.js/issues/862); [1a89c59](https://github.com/ethers-io/ethers.js/commit/1a89c591c26a7fcc2031d0df90137d8a096c5c01))
- Added initial support for spontaneous network changes. ([#495](https://github.com/ethers-io/ethers.js/issues/495), [#861](https://github.com/ethers-io/ethers.js/issues/861); [2bc7bb6](https://github.com/ethers-io/ethers.js/commit/2bc7bb6e61219a40cfe2acd95c115c2195c21223), [d2ca4fb](https://github.com/ethers-io/ethers.js/commit/d2ca4fb443b2653063ca5aa349b52ecd0ff79e2f))
ethers/v5.0.0-beta.190 (2020-06-01 05:02)
-----------------------------------------
- Re-enable tests removed to fix slow CI. ([cd7a0b3](https://github.com/ethers-io/ethers.js/commit/cd7a0b36cd77df5d5951a97cdb6b6be1c9387f51))
- Major Contract refactor for overrides. ([#819](https://github.com/ethers-io/ethers.js/issues/819), [#845](https://github.com/ethers-io/ethers.js/issues/845), [#847](https://github.com/ethers-io/ethers.js/issues/847), [#860](https://github.com/ethers-io/ethers.js/issues/860); [42dee67](https://github.com/ethers-io/ethers.js/commit/42dee67187adb04d0b88f420b24cb3e73301d609))
- Remove legacy Circle CI tasks. ([c445232](https://github.com/ethers-io/ethers.js/commit/c445232980007d3474bc036ff59fb37638f93820))
- Fixing GitHub actions. ([#853](https://github.com/ethers-io/ethers.js/issues/853); [6b8f0f3](https://github.com/ethers-io/ethers.js/commit/6b8f0f3cb38295cd5d693f9b71f629b591206f1e))
ethers/v5.0.0-beta.189 (2020-05-29 21:25)
-----------------------------------------
- Simplify typing for properties module. ([41e66ab](https://github.com/ethers-io/ethers.js/commit/41e66ab834e9835807481658a7956207edfef3d7))
- Refactor Contract away from monolithic runMethod. ([e5a1b4d](https://github.com/ethers-io/ethers.js/commit/e5a1b4d5cbbaa0a8ce64c72e13d0d12fa2b856e3))
- Correctly set last emitted block for WebSocketProvider. ([#856](https://github.com/ethers-io/ethers.js/issues/856); [1b0ad5a](https://github.com/ethers-io/ethers.js/commit/1b0ad5aa69327f80c7814069142965914673dc06))
- Fixed delayed network detection attempting to overwrite read-only value. ([#854](https://github.com/ethers-io/ethers.js/issues/854); [8efd8d2](https://github.com/ethers-io/ethers.js/commit/8efd8d203158ebdef040ec759c3b423312a86e7c))
- Better WebSocket compatibilities with Parity. ([#849](https://github.com/ethers-io/ethers.js/issues/849); [180a1af](https://github.com/ethers-io/ethers.js/commit/180a1aff3adc5b4af3a1349b52666ca5942c92a2))
ethers/v5.0.0-beta.188 (2020-05-21 00:02)
-----------------------------------------
- Make filter blockHash property name match EIP-234. ([b03c4ed](https://github.com/ethers-io/ethers.js/commit/b03c4edd31a1929b411d0559d17eee7e3d6b11c8), [ed29fac](https://github.com/ethers-io/ethers.js/commit/ed29fac376c1a0aa210bf75979bb2ab62d0cf46b))
- Fixed FallbackProvider sync-stalling for backends. ([#841](https://github.com/ethers-io/ethers.js/issues/841); [f963589](https://github.com/ethers-io/ethers.js/commit/f96358940043123aa7a8fe97a1af7af293ce9740))
- Add correct tag to release on publish. ([#828](https://github.com/ethers-io/ethers.js/issues/828); [8516076](https://github.com/ethers-io/ethers.js/commit/85160766cdcd031f226382901ebadee9d7f40200))
ethers/v5.0.0-beta.187 (2020-05-12 23:29)
-----------------------------------------
- Add sub-error to gas estimate error for Ganache users. ([#829](https://github.com/ethers-io/ethers.js/issues/829); [647fbd8](https://github.com/ethers-io/ethers.js/commit/647fbd8cbfa0f94f72db6faadd528e61c49b1dd6))
- Moved ABI check for unique names to coding time and only if ambiguous. ([#816](https://github.com/ethers-io/ethers.js/issues/816); [fa87417](https://github.com/ethers-io/ethers.js/commit/fa87417e9416d99a37d9a2668a1e54feb7e342fc))
- Added missing Interface exports to umbrella utils. ([82a9326](https://github.com/ethers-io/ethers.js/commit/82a93263fae330ae39a7212e74d973fa9f820f64))
- Fixed FallbackProvider ESM super-this out-of-order issue. ([#822](https://github.com/ethers-io/ethers.js/issues/822); [fde102b](https://github.com/ethers-io/ethers.js/commit/fde102b7eda304403dcc677cd6d3b48339cd3a81))
- Fixed node hanging on unnecessary timeout when fetchJson fails. ([fdf2253](https://github.com/ethers-io/ethers.js/commit/fdf2253218cf379043acc32dea8c95c284a82cec))
ethers/v5.0.0-beta.186 (2020-05-08 15:27)
-----------------------------------------
- Fix JsonRpcProvider out-of-order super call. ([#822](https://github.com/ethers-io/ethers.js/issues/822); [963197d](https://github.com/ethers-io/ethers.js/commit/963197d70c96e5970b431173c2cc782cb496674c))
ethers/v5.0.0-beta.185 (2020-05-04 22:54)
-----------------------------------------
- More robust FallbackProvider on clean exits. ([8eeda23](https://github.com/ethers-io/ethers.js/commit/8eeda23e989fcb0126bd20b17c67f62466d19259))
- Safer test suite reporter timer. ([657a039](https://github.com/ethers-io/ethers.js/commit/657a0394f56b51a13c691477c2b0dcf74678fd7c))
- Added goerli to AlchemyProvider tests. ([ab7c781](https://github.com/ethers-io/ethers.js/commit/ab7c78118ab80990a3e3368749599a1cf6e9d4ae))
- Added more robust poll event to Provider. ([dc48bfb](https://github.com/ethers-io/ethers.js/commit/dc48bfb7adb9334848c93173ba2c634f22a9a72f))
- Added goerli to AlchemyProvider. ([86670eb](https://github.com/ethers-io/ethers.js/commit/86670eb80e96fc4ba4e3664c9389f8130bbfea73))
- Removed Cloudflare from test suite; it is down again. ([17dc022](https://github.com/ethers-io/ethers.js/commit/17dc022603afdfe4147638ab4b2704bcef09533f))
- Prevent forceOutput in test reporter from crashing. ([cafd344](https://github.com/ethers-io/ethers.js/commit/cafd34460b194d78092021f1d7e0307130340b68))
- Stall FallbackProvider backends from requests if not in-sync. ([fa6904f](https://github.com/ethers-io/ethers.js/commit/fa6904fef35e7ab888221f3a0613bfe7e6df3594))
- Allow providers to detect their network after instantiation. ([#814](https://github.com/ethers-io/ethers.js/issues/814); [99ae946](https://github.com/ethers-io/ethers.js/commit/99ae946476a317a9d89e5d8f57cf37f8680bfa2b))
- Better messaging on low-level network errors. ([#814](https://github.com/ethers-io/ethers.js/issues/814); [0e3a66c](https://github.com/ethers-io/ethers.js/commit/0e3a66c82959a08f3f4e4ffbca3ae3792ff2548f))
- Manage FallbackProvider stalling without unref. ([#815](https://github.com/ethers-io/ethers.js/issues/815); [7b1a7c7](https://github.com/ethers-io/ethers.js/commit/7b1a7c7f31a3631e12c2a341b562983360e670e9))
- Only error on duplicate signatures in Contract ABI. ([#499](https://github.com/ethers-io/ethers.js/issues/499); [098d7ef](https://github.com/ethers-io/ethers.js/commit/098d7efb21bd648c2660342297d2419904a10925))
- Added getWebSocketProvider static method to InfuraProvider. ([a6c1174](https://github.com/ethers-io/ethers.js/commit/a6c1174dffe6dca1a3a64d1d472cec6e12372117))
- Fix WebSocketProvider responses when message result is null. ([#813](https://github.com/ethers-io/ethers.js/issues/813); [472e5b0](https://github.com/ethers-io/ethers.js/commit/472e5b07eab180baa12185c8f00e5079ce4c671f))
- Allow modifiers on Human-Readable ABI for tuples and arrays. ([83fba3d](https://github.com/ethers-io/ethers.js/commit/83fba3de25b524cc48975b1952f4319d63874205))
- Added initial renew support to ENS CLI. ([54dfb75](https://github.com/ethers-io/ethers.js/commit/54dfb757c4c88e4bcada1890c4016fadfb25581a))
- Allow contract filters to include OR-ed values. ([#437](https://github.com/ethers-io/ethers.js/issues/437); [28800d7](https://github.com/ethers-io/ethers.js/commit/28800d7681f3bab08f6d30a22f0813e04feee18a))
ethers/v5.0.0-beta.184 (2020-04-28 04:58)
-----------------------------------------
- Removed old EIP-1193 experimental provider; it can now be supported by Web3Provider as EIP-1193 is now backwards compatible. ([84c68ac](https://github.com/ethers-io/ethers.js/commit/84c68ac5c17b10897ade966d6c8fac1f1f66a4af))
- Fixed getLogs filter deserialization. ([#805](https://github.com/ethers-io/ethers.js/issues/805); [393c0c7](https://github.com/ethers-io/ethers.js/commit/393c0c74a91175adca2e25026dcdb9e6445afd8f))
- Added EIP-1193 support to Web3Provider. ([56af441](https://github.com/ethers-io/ethers.js/commit/56af4413b1dd1787db68985e0b612b63d86fdf7c))
- Minor typing-detected fixes. ([d1f3a42](https://github.com/ethers-io/ethers.js/commit/d1f3a42c119d5588eab667ec7bb6e71042cfb656))
- Added initial support for recoverable coding erros. ([#800](https://github.com/ethers-io/ethers.js/issues/800); [bda6623](https://github.com/ethers-io/ethers.js/commit/bda66230916e58e25a522e8430ce4de25091eb6b))
- More draconian Typing. ([14e6811](https://github.com/ethers-io/ethers.js/commit/14e6811bf7d7c38a3b5714dededcc883c185d814))
- Omit HID libraries for hardware-wallets package on unsupported environments. ([#798](https://github.com/ethers-io/ethers.js/issues/798); [2e24920](https://github.com/ethers-io/ethers.js/commit/2e24920d028d42908d0764ad4ca0b56b55f852d1), [5aefb43](https://github.com/ethers-io/ethers.js/commit/5aefb4303d2fdda62e7e5ddb644919f613d6016a))
- Make default constructor non-payable. ([#684](https://github.com/ethers-io/ethers.js/issues/684); [017ea0d](https://github.com/ethers-io/ethers.js/commit/017ea0d6bd22833e9d399ae6b818443786f17884))
ethers/v5.0.0-beta.183 (2020-04-23 23:28)
-----------------------------------------
- Fixed inconsistent log format in WebSocketProvider. ([#795](https://github.com/ethers-io/ethers.js/issues/795); [8e7751f](https://github.com/ethers-io/ethers.js/commit/8e7751f7dfb41e58f81c7918cf36c152c3209ae2))
- Added WebSocketProvider support for ENS names in filters. ([6707754](https://github.com/ethers-io/ethers.js/commit/6707754580490c5a801d6205af0841794d20b3c9))
- Fixed provider filtering by ENS name. ([aeeb75f](https://github.com/ethers-io/ethers.js/commit/aeeb75f74c3be11b9b3b2925fd73349070542e54))
- Fixed ContractFactory.deploy ignoring overrides. ([#796](https://github.com/ethers-io/ethers.js/issues/796); [8bb2a0f](https://github.com/ethers-io/ethers.js/commit/8bb2a0fd08f6f128a80444e3fd90c29e4cd7edfb))
- Fix median calculation for large block number deltas across FallbackProvider backends. ([fca5ccb](https://github.com/ethers-io/ethers.js/commit/fca5ccbc2052569e700a96dbb1de1c9cef7c966f))
- Work-around for Cloudflare not offering eth_blockNumber. ([8cf4b3c](https://github.com/ethers-io/ethers.js/commit/8cf4b3cf4598f4f3643d5ebe9c366466d398cb83))
- Added string spell-checking to library and fixed discovered typos. ([71d03c6](https://github.com/ethers-io/ethers.js/commit/71d03c6e3cab1aacb3e4e74d3966fbaa7db2ee06))
- Fixed getUrl for node 8. ([560adea](https://github.com/ethers-io/ethers.js/commit/560adeabb06a2ab483bcad162f02ccef41ebc245))
- Dependency security updates. ([da3b0bf](https://github.com/ethers-io/ethers.js/commit/da3b0bf0786fe8a95c68485d130ca59c597ffe4d))
- Fixes for dist builds without injected XMLHttpRequest. ([#789](https://github.com/ethers-io/ethers.js/issues/789), [#506](https://github.com/ethers-io/ethers.js/issues/506); [9ae6b70](https://github.com/ethers-io/ethers.js/commit/9ae6b70efb9f3d3251820403597085cfa30ace05))
ethers/v5.0.0-beta.182 (2020-04-16 21:53)
-----------------------------------------
- Added support for Contract event parsing error recovery. ([cc72f76](https://github.com/ethers-io/ethers.js/commit/cc72f76695572d235d7f5a5ad4dc1838a5fe884a))
- Fix provider log filters with zero topics. ([#785](https://github.com/ethers-io/ethers.js/issues/785); [4ef0e4f](https://github.com/ethers-io/ethers.js/commit/4ef0e4f7653226bf8cca86e065ad614e7288af96))
ethers/v5.0.0-beta.181 (2020-04-15 18:23)
-----------------------------------------
- Temporarily remove CloudflareProvider tests; it is down and breaking the tests. ([797abb7](https://github.com/ethers-io/ethers.js/commit/797abb726711499d96bf1c12c61e3bb1a7b4925d))
- Better error reporting for Fragments. ([7dcefcb](https://github.com/ethers-io/ethers.js/commit/7dcefcbf71ef337103639bbe3f4ad2625565651a))
- Fixed Contract filter unsubscribing. ([2eb3823](https://github.com/ethers-io/ethers.js/commit/2eb3823de4ba111cc0c746a0715fe6dd3d1b16da), [39c78f3](https://github.com/ethers-io/ethers.js/commit/39c78f37ceff9b8ec08329903dcba7bd53bd8661))
- Fixed WebSocketProvider filter events. ([#784](https://github.com/ethers-io/ethers.js/issues/784); [69f7077](https://github.com/ethers-io/ethers.js/commit/69f707762ed5939c5f52bf6dce5c5513aaf6fa1d))
- Added bitwise operations to BigNumber. ([#781](https://github.com/ethers-io/ethers.js/issues/781); [7498c18](https://github.com/ethers-io/ethers.js/commit/7498c18235c7566b2f652cddba991f55e0943da8), [284771e](https://github.com/ethers-io/ethers.js/commit/284771ea39b6f4ee9cdf75ce5feea9e6aa9a65c5))
ethers/v5.0.0-beta.180 (2020-04-03 22:10)
-----------------------------------------
- Correctly return the Provider in NonceManager. ([6caf7c2](https://github.com/ethers-io/ethers.js/commit/6caf7c292cd5f03741cd6b30053c3325c4f30a81))
- Fail earlier when resolving an ENS name that is not a string. ([2882546](https://github.com/ethers-io/ethers.js/commit/28825463517f8821392464ec2283ee59c431d928))
- Fixed mutabilityState calculation for function fragments. ([#762](https://github.com/ethers-io/ethers.js/issues/762); [6526de0](https://github.com/ethers-io/ethers.js/commit/6526de016fda5403474dad61ee59acc62ee25ebc), [d7c8b35](https://github.com/ethers-io/ethers.js/commit/d7c8b355a049b36068b0525a357c6278639a8d58))
- Force Log properties to be non-optional. ([#415](https://github.com/ethers-io/ethers.js/issues/415); [da412f6](https://github.com/ethers-io/ethers.js/commit/da412f660723d1c411484e74970ce4eb166374c2), [8ad26f0](https://github.com/ethers-io/ethers.js/commit/8ad26f0ff42614a6c40e735cb6fffd36874da1a0))
- Fixed Signer call not forwarding blockTag. ([#768](https://github.com/ethers-io/ethers.js/issues/768); [053a2d7](https://github.com/ethers-io/ethers.js/commit/053a2d7fcdb4ca4c9bfd0bee0f42e0187d3db477))
ethers/v5.0.0-beta.179 (2020-03-31 23:40)
-----------------------------------------
- Fixed ENS CLI lookup for Website. ([0f144c6](https://github.com/ethers-io/ethers.js/commit/0f144c6cc03082026080782356b940af3389b34e))
- Fixed getEtherPrice for EtherscanProvider. ([#776](https://github.com/ethers-io/ethers.js/issues/776); [6c71b51](https://github.com/ethers-io/ethers.js/commit/6c71b515126d8ef3cea5a1aec814c4cab56cc1a5))
- Fixed ENS CLI tool set-websites and added set-name. ([70cffb6](https://github.com/ethers-io/ethers.js/commit/70cffb6a5166a79a54e02b03b6a7ec0085407e07))
ethers/v5.0.0-beta.178 (2020-03-30 22:14)
-----------------------------------------
- Fixed Event args keyword access. ([2692e78](https://github.com/ethers-io/ethers.js/commit/2692e783b40ce16207fa1a8e8513ebb5455fd2d0), [092ce9b](https://github.com/ethers-io/ethers.js/commit/092ce9bcc2abf92c40550c4a990a8e2c889cc250))
- Updating TypeScript library and fixing some audit issues. ([bd32ee0](https://github.com/ethers-io/ethers.js/commit/bd32ee0af5b25a435e5896773d8bfd482d3adcaf))
ethers/v5.0.0-beta.177 (2020-03-21 12:46)
-----------------------------------------
- Abstracted JSON-RPC parameter generation for others to use. ([030f65e](https://github.com/ethers-io/ethers.js/commit/030f65e66ce059d69d8d77973d5c3190745eaac2))
- Updated RLP package to use Logger instead of bare errors. ([390497f](https://github.com/ethers-io/ethers.js/commit/390497f38964a052837f6c0e7c96efe74c668517))
- Fixed log level filtering for Logger. ([#379](https://github.com/ethers-io/ethers.js/issues/379); [72c8992](https://github.com/ethers-io/ethers.js/commit/72c89922a4e1b77295414c8e0717a7373f2397b8))
- Throw errors when trying to RLP encode integers. ([9ea16e5](https://github.com/ethers-io/ethers.js/commit/9ea16e5172928962792ba4c0273e23db373409e0))
- Added delays to provider tests to prevent throttling causing failed tests. ([3e44aac](https://github.com/ethers-io/ethers.js/commit/3e44aac8f199ec09babb20c4af2ee668e0ab05a1))
ethers/v5.0.0-beta.176 (2020-03-12 19:10)
-----------------------------------------
- Checking in initial Eip1193Bridge (experimental). ([2c78f0b](https://github.com/ethers-io/ethers.js/commit/2c78f0bf265a0f7c9f4cfc1bc79ecd4629b59c49))
- Added initial WebSocketProvider. ([#141](https://github.com/ethers-io/ethers.js/issues/141); [117a5dd](https://github.com/ethers-io/ethers.js/commit/117a5dd7ffa783c4335c0b87621437447cd499d0))
- Renamed properties based on community recommendations; estimate to estimateGas and addressPromise to resovledAddress. ([fe3b3fa](https://github.com/ethers-io/ethers.js/commit/fe3b3fa1aded67827fec1131931d95d8153d8f32))
- Better error reporting and fixed look-ahead for data labels. ([e52312e](https://github.com/ethers-io/ethers.js/commit/e52312e783b8d0fdd7e9992716cbe2e179751b38))
ethers/v5.0.0-beta.175 (2020-02-27 19:53)
-----------------------------------------
- Fix address-less filter listening in Provider. ([#741](https://github.com/ethers-io/ethers.js/issues/741); [64dccb2](https://github.com/ethers-io/ethers.js/commit/64dccb275c68ebb40328350d4ab5be0f29b8a02e))
- Added sync version of wallet decryption. ([0ad94cd](https://github.com/ethers-io/ethers.js/commit/0ad94cdf8137259bedb38c0dc949b61570bcdac0), [6809c37](https://github.com/ethers-io/ethers.js/commit/6809c370c027aea148466c00d3ce09c6d0ee6ddc))
ethers/v5.0.0-beta.175 (2020-02-27 19:38)
-----------------------------------------
- Fix address-less filter listening in Provider. ([#741](https://github.com/ethers-io/ethers.js/issues/741); [64dccb2](https://github.com/ethers-io/ethers.js/commit/64dccb275c68ebb40328350d4ab5be0f29b8a02e))
- Added sync version of wallet decryption. ([0ad94cd](https://github.com/ethers-io/ethers.js/commit/0ad94cdf8137259bedb38c0dc949b61570bcdac0))
ethers/v5.0.0-beta.174 (2020-02-25 14:57)
-----------------------------------------
- Reduced default Provider quorum for testnets. ([1cfab31](https://github.com/ethers-io/ethers.js/commit/1cfab3173c3d0519beffc054efe73f70b7d28501))
- Added JSON-RPC debugging on error responses. ([ad27600](https://github.com/ethers-io/ethers.js/commit/ad27600c699827858e7343adff2d4fa622248e42))
- Fixed setLogLevel to affect global logging. ([ac51a88](https://github.com/ethers-io/ethers.js/commit/ac51a88c2913d7055e050c91d7d96bb42abf6656))
- Renamed interface getTopic to getEventTopic. ([f61f34b](https://github.com/ethers-io/ethers.js/commit/f61f34bfb295bafee3b7ee426efa696aaa9bbafe))
- Fix log parsing when no matching topic hash is found. ([#733](https://github.com/ethers-io/ethers.js/issues/733); [a5d2ec5](https://github.com/ethers-io/ethers.js/commit/a5d2ec534f75b21eebe69a789a3c43c33014a825), [4b8e198](https://github.com/ethers-io/ethers.js/commit/4b8e198bf209fcf0aea55018d8940355ea4345de), [89ac9f4](https://github.com/ethers-io/ethers.js/commit/89ac9f4f298ac340c4429e8ebdacd29962eba7f4))
ethers/v5.0.0-beta.173 (2020-02-12 17:09)
-----------------------------------------
- Added experimental EipWrappedProvider. ([944600d](https://github.com/ethers-io/ethers.js/commit/944600d779564c500ab98d3265286a0717642614))
- Updated signature for JsonRpcProvider.send to match EIP-1193. ([b962b59](https://github.com/ethers-io/ethers.js/commit/b962b59ab72e67bc4566a361964e42cf1b791025))
- Added binary literal support to ASM grammar. ([375bd15](https://github.com/ethers-io/ethers.js/commit/375bd15594a3179432e8452d819d91ea72b4bdd8))
- Added explicit pop placeholders to ASM dialect. ([a6b696d](https://github.com/ethers-io/ethers.js/commit/a6b696d8bd03c4027b52fe23745f066d158f1420))
- Added position independent code option for asm. ([89615c5](https://github.com/ethers-io/ethers.js/commit/89615c59d385a58fa79b6bbd8eae53c30e45fe96))
- Added ASM semantic checking and the Pop placeholder. ([a33bf0e](https://github.com/ethers-io/ethers.js/commit/a33bf0e37f4f969cc03b85ebf0dbadcf3e9b068a))
- Better type safety for defineReadOnly. ([e7adc84](https://github.com/ethers-io/ethers.js/commit/e7adc84a972968f39a983efb6f21b6ceaacd6cc5))
- Fixed CLI sandbox quiting after prompt entry. ([ff9bc2a](https://github.com/ethers-io/ethers.js/commit/ff9bc2a282e617125bbca76702dec85149661390))
ethers/v5.0.0-beta.172 (2020-02-04 00:59)
-----------------------------------------
- Synced GitHub issue cache. ([13dbf1f](https://github.com/ethers-io/ethers.js/commit/13dbf1f965eab344d2a304f7612d19ea96391261))
- Better typing for Timers. ([5622f70](https://github.com/ethers-io/ethers.js/commit/5622f703d962993442623ef1450a595825c4efa8))
- Safer transaction serialization, matching signature.v with chainId. ([#708](https://github.com/ethers-io/ethers.js/issues/708); [edb7c5d](https://github.com/ethers-io/ethers.js/commit/edb7c5da91ce271688561364d867998b0f0675e3))
- Fixed Opcode typo and added check to prevent future typos. ([15bb840](https://github.com/ethers-io/ethers.js/commit/15bb8409077f96b22e8bd60c426cddd015454e6b))
- Renamed AST nodes for teh assembler. ([f02c7db](https://github.com/ethers-io/ethers.js/commit/f02c7db4109d1785b4528757aa50f24948e896ae))
- Added timeout to waitForTransaction. ([#477](https://github.com/ethers-io/ethers.js/issues/477); [bacc440](https://github.com/ethers-io/ethers.js/commit/bacc4403979fa423890e269e7a5c7d11c6891a9f))
- Added CLI for asm package. ([aafa42a](https://github.com/ethers-io/ethers.js/commit/aafa42a32b2a5c7481a409ad048dfc06112c6599))
- Prevent Signer.checkTransaction from creating conflicting from properties. ([1decb13](https://github.com/ethers-io/ethers.js/commit/1decb1379902b60a15925b9b1de39633393db825))
- Include asm in generated TypeScript dependencies. ([ba29618](https://github.com/ethers-io/ethers.js/commit/ba296188960fb345dfdab12f2bb3ed3dc5eab51a))
- Clean up some asm checks and dead code. ([fa317eb](https://github.com/ethers-io/ethers.js/commit/fa317ebc032f8a5f9fb2dd10e23496252ae744e1))
- More contained Opcode API. ([da8153c](https://github.com/ethers-io/ethers.js/commit/da8153c87753b79e5e4cd34d484b8e0e717426d9))
- Added initial codedrop for the asm package. ([0296594](https://github.com/ethers-io/ethers.js/commit/0296594aba8d1e90e9ef7a18d2324f6cac815953))
ethers/v5.0.0-beta.171 (2020-02-01 05:05)
-----------------------------------------
- Added CLI for asm package. ([aafa42a](https://github.com/ethers-io/ethers.js/commit/aafa42a32b2a5c7481a409ad048dfc06112c6599))
- Added more flatworm documentation. ([1c85fe9](https://github.com/ethers-io/ethers.js/commit/1c85fe95b2b536828e83087676becba85c9a90bb))
- Prevent Signer.checkTransaction from creating conflicting from properties. ([1decb13](https://github.com/ethers-io/ethers.js/commit/1decb1379902b60a15925b9b1de39633393db825))
- Include asm in generated TypeScript dependencies. ([ba29618](https://github.com/ethers-io/ethers.js/commit/ba296188960fb345dfdab12f2bb3ed3dc5eab51a))
- Clean up some asm checks and dead code. ([fa317eb](https://github.com/ethers-io/ethers.js/commit/fa317ebc032f8a5f9fb2dd10e23496252ae744e1))
- More contained Opcode API. ([da8153c](https://github.com/ethers-io/ethers.js/commit/da8153c87753b79e5e4cd34d484b8e0e717426d9))
- Added initial codedrop for the asm package. ([0296594](https://github.com/ethers-io/ethers.js/commit/0296594aba8d1e90e9ef7a18d2324f6cac815953))
ethers/v5.0.0-beta.171 (2020-01-29 21:41)
-----------------------------------------
- Better solc support in CLI; it will search the local pacakge for an existing solc version. ([7428776](https://github.com/ethers-io/ethers.js/commit/7428776f75222d5c07282bc29c3dd8ed99f5d2cc))
- Update ENS registry address and lower default quorum for testnets. ([edb49da](https://github.com/ethers-io/ethers.js/commit/edb49da15518f25b3d60813ebb84f54171e308f3))
- Exposed isBytes and isBytesLike in ethers.utils. ([99329b0](https://github.com/ethers-io/ethers.js/commit/99329b013ce7f3af301d40c41f7eb35bff288910))
ethers/v5.0.0-beta.170 (2020-01-21 20:37)
-----------------------------------------
- Better, easier and more provider testing. ([e0d1d38](https://github.com/ethers-io/ethers.js/commit/e0d1d3866d2559f39627254873a0a1d4c0fcaf3d))
- Fixed out-of-bounds difficulty in getBlock, which can affect PoA networks. ([#711](https://github.com/ethers-io/ethers.js/issues/711); [251882c](https://github.com/ethers-io/ethers.js/commit/251882ced4379931ec82ba28a4db10bc7dbf3580))
ethers/v5.0.0-beta.169 (2020-01-20 19:42)
-----------------------------------------
- Fixed imports after refactor. ([adf5622](https://github.com/ethers-io/ethers.js/commit/adf56229c6cc83003d319ea9a004677e2555d478))
- Refactor some enum names and add UTF-8 error support to the umbrella package. ([931da2f](https://github.com/ethers-io/ethers.js/commit/931da2f77446fc9266cf07f0d7d78d4376625005))
- Allow arbitrary apiKey for UrlJsonRpcProvider. ([5878b54](https://github.com/ethers-io/ethers.js/commit/5878b54d6eded1329a6dc3b4023f876a87f72b6e))
- Added more general error handling (e.g. error, ignore, replace) for calling toUtf8String. ([a055edb](https://github.com/ethers-io/ethers.js/commit/a055edb5855b96fdf179403458c1694b96fd906c))
ethers/v5.0.0-beta.168 (2020-01-18 21:46)
-----------------------------------------
- Much more resiliant FallbackProvider which can ignore properties that are only approximate and supports per-provider priorities. ([#635](https://github.com/ethers-io/ethers.js/issues/635), [#588](https://github.com/ethers-io/ethers.js/issues/588); [f4bcf24](https://github.com/ethers-io/ethers.js/commit/f4bcf24a257a17ec9beb98f3d0b3682de543534c))
- Fixed some typing for receipts and logs. ([#497](https://github.com/ethers-io/ethers.js/issues/497); [ea102ef](https://github.com/ethers-io/ethers.js/commit/ea102ef7c4fa5df7b9389fbc8a2947bbbd4c471e))
- Abstracting mnemonic phrases. ([#685](https://github.com/ethers-io/ethers.js/issues/685); [92a383f](https://github.com/ethers-io/ethers.js/commit/92a383ff0dad4587e44953efca3c6ab795a1b1bd))
- Sync GitHub issues. ([75e1a37](https://github.com/ethers-io/ethers.js/commit/75e1a37bb5935d5d538ffcfce5b0073e1334d457))
- Fixed 304 status for fetchJson. ([c66d81e](https://github.com/ethers-io/ethers.js/commit/c66d81e96f7c9b0808f181085ffe1c92f6219d46))
ethers/v5.0.0-beta.167 (2020-01-11 04:16)
-----------------------------------------
- Fixed testcases for provider changes. ([90ed07c](https://github.com/ethers-io/ethers.js/commit/90ed07c74e7230ea0f02288b140d497d8b9779e0))
- Add support for legacy flat signatures with recid instead of normalized v. ([245cd0e](https://github.com/ethers-io/ethers.js/commit/245cd0e48e07eef35f5bf45ee7fe5ed5ef31338a))
- Fix TransactionResponse to have chainId instead of legacy networkId. ([#700](https://github.com/ethers-io/ethers.js/issues/700); [72b3bc9](https://github.com/ethers-io/ethers.js/commit/72b3bc9909074893038c768f3da1564ed96a6a20))
- Fixed splitSignature computing wrong v for BytesLike. ([#700](https://github.com/ethers-io/ethers.js/issues/700); [4151c0e](https://github.com/ethers-io/ethers.js/commit/4151c0eacd22287e2369a8656ffa00359db6f84b))
- Added dist files for hardware-wallets. ([c846649](https://github.com/ethers-io/ethers.js/commit/c84664953d2f50ee0d704a8aa18fe6c08668dabb))
- Browser support (with dist files) for Ledger. ([6f7fbf3](https://github.com/ethers-io/ethers.js/commit/6f7fbf3858c82417933a5e5595a919c0ec0487c7))
ethers/v5.0.0-beta.166 (2020-01-10 03:09)
-----------------------------------------
- Relaxed joinSignature API to allow SignauteLike. ([602e6a8](https://github.com/ethers-io/ethers.js/commit/602e6a8973480299843a0158f75451a2c6aac749))
- Initial code drop of new hardware wallet package. ([2e8f5ca](https://github.com/ethers-io/ethers.js/commit/2e8f5ca7ed498261079da75713b18f3370dfd236))
- Added more docs. ([381a72d](https://github.com/ethers-io/ethers.js/commit/381a72ddaa7fb59ef2ded84d228296d693df05c3))
ethers/v5.0.0-beta.165 (2020-01-09 03:31)
-----------------------------------------
- Fixed require resolution for CLI scripts. ([c04f9a7](https://github.com/ethers-io/ethers.js/commit/c04f9a7fff727bb04a4aa3a0fa05fd5cd8e795a6))
- Added new URLs for default ETC (and ETC testnets) providers. ([#351](https://github.com/ethers-io/ethers.js/issues/351); [3c184ac](https://github.com/ethers-io/ethers.js/commit/3c184ace21aafbb27f4d44cce1bb738af899d59f))
ethers/v5.0.0-beta.164 (2020-01-07 19:57)
-----------------------------------------
- Use better Description typing. ([2d5492c](https://github.com/ethers-io/ethers.js/commit/2d5492cd2ee722c818c249244af7b5bea05d67b0))
- Better property access on ABI decoded results. ([#698](https://github.com/ethers-io/ethers.js/issues/698); [13f50ab](https://github.com/ethers-io/ethers.js/commit/13f50abd847f7ddcc7e54c102da54e2d23b86fae))
- Better typing support for Description. ([d0f4642](https://github.com/ethers-io/ethers.js/commit/d0f4642f6d2c9f5119f1910a0082894c60e81191))
- Fixed resolveName when name is an address with an invalid checksum. ([#694](https://github.com/ethers-io/ethers.js/issues/694); [1e72fc7](https://github.com/ethers-io/ethers.js/commit/1e72fc7d6f7c3be4410dbdcfbab9a0463ceb52bd))
ethers/v5.0.0-beta.163 (2020-01-06 18:57)
-----------------------------------------
- Added function to generate CREATE2 addresses. ([#697](https://github.com/ethers-io/ethers.js/issues/697); [eb26a6d](https://github.com/ethers-io/ethers.js/commit/eb26a6d95022a241c44f859e7b2f29646afb4914))
- Force constructor name to be null (instead of undefined). ([a648f2b](https://github.com/ethers-io/ethers.js/commit/a648f2bd1e5e52a3662896f04fe7025884866972))
- Added documentation uploading script. ([e593aba](https://github.com/ethers-io/ethers.js/commit/e593aba2946c98820b0c2edf9c5dab6cb30c7402))
- Added Czech wordlist to default wordlists export. ([#691](https://github.com/ethers-io/ethers.js/issues/691); [5724fa5](https://github.com/ethers-io/ethers.js/commit/5724fa5d9c6fe73f14ec8bdea1f7226a222537ef))
- Added Czech BIP-39 wordlist. ([#691](https://github.com/ethers-io/ethers.js/issues/691); [f54f06b](https://github.com/ethers-io/ethers.js/commit/f54f06b5c8092997fd3c9055d69a3e0796ce44f3))
- Updated README. ([e809ead](https://github.com/ethers-io/ethers.js/commit/e809eadf8d608cd8c8a78c08a2e3547dd09156cf))
- Updating docs. ([184c459](https://github.com/ethers-io/ethers.js/commit/184c459fab0d089a8a879584b72e5eb3560b33ce))
- Merge branch 'yuetloo-ethers-v5-beta' into ethers-v5-beta ([06cafe3](https://github.com/ethers-io/ethers.js/commit/06cafe3437ef129b47f5f9c02f4759f2c4854d3c))
- Add circleci and parity test files ([fdf0980](https://github.com/ethers-io/ethers.js/commit/fdf0980663ffead0faf3e9b7b233b22ca1574e21))
- Fixed typo in package test dist scripts. ([9c78c7f](https://github.com/ethers-io/ethers.js/commit/9c78c7fee69d07733048d898d58205ae7f5c82d7))
ethers/v5.0.0-beta.162 (2019-11-25 00:02)
-----------------------------------------
- Update elliptic package to protect from Minerva timing attack. ([#666](https://github.com/ethers-io/ethers.js/issues/666); [cf036e1](https://github.com/ethers-io/ethers.js/commit/cf036e1ffad3340fcf1c7559d0032493ccc08e6e))
- Browser and node testing works again. ([4470477](https://github.com/ethers-io/ethers.js/commit/4470477d7fd3031f2f3a1fbd9c538468c33c7350))
ethers/v5.0.0-beta.161 (2019-11-23 21:43)
-----------------------------------------
- Updated dist files (sorted package.json to reduce package version change chatter). ([f308ba3](https://github.com/ethers-io/ethers.js/commit/f308ba3540ed0d282d099456d0369873ad9596b0))
- Stubs for adding throttle support. ([2f0e679](https://github.com/ethers-io/ethers.js/commit/2f0e679f0bc81bf901cf60a79e50f9715cddec5a))
- Refactor wordlists. ([abab9f6](https://github.com/ethers-io/ethers.js/commit/abab9f6aa27d1870d1053e7caa951408b86c454d))
- Browser testcases work again. ([c11c2e2](https://github.com/ethers-io/ethers.js/commit/c11c2e2e3376a6764f07ed443245823f2792b8cc))
- Added dist files for non-English wordlists. ([3d75c52](https://github.com/ethers-io/ethers.js/commit/3d75c52dac668af5eeede3e7764dadd3055a0707))
- Sync GitHub issue cache. ([29f0e9d](https://github.com/ethers-io/ethers.js/commit/29f0e9dd627a7b4b7f772300497f27718c9ecc7b))
ethers/v5.0.0-beta.160 (2019-11-20 18:36)
-----------------------------------------
- Updated API in testcases. ([3ab3733](https://github.com/ethers-io/ethers.js/commit/3ab373334c75800f2b20b6639ed8eb1b11e453ef))
- Fixed scrypt import in ESM build. ([b72ef27](https://github.com/ethers-io/ethers.js/commit/b72ef27b2a8f9941fb9d79122ec449fed9d2464d))
- Fixed null apiKey problem for InfuraProvider. ([e518151](https://github.com/ethers-io/ethers.js/commit/e51815150912d10e2734707986b10b37c87d6d12))
- Added support for sighash-style tuple parsing. ([19aaade](https://github.com/ethers-io/ethers.js/commit/19aaade9c62510012cfd50ae487ebd1705a28678))
- Fixed solc imports for cli. ([c35ddaf](https://github.com/ethers-io/ethers.js/commit/c35ddaf646efa25e738fee604585a0a7af45b206))
- Added nonce manager to experimental index. ([8316406](https://github.com/ethers-io/ethers.js/commit/8316406977ea26ca2044d16f7b3bb6ba21ef5b43))
- Removing NodesmithProvider from default provider as it is being discontinued. ([01ca350](https://github.com/ethers-io/ethers.js/commit/01ca35036ca11a47f60890e5cae62e46a00f3da8))
- Moved bare ABI named functions and events from Interface into Contracts to simplify other consumers of Interface. ([da8ca2e](https://github.com/ethers-io/ethers.js/commit/da8ca2e8bc982fc3ea0343bb3c593a485ca1fef0))
- Added support for complex API keys including support for INFURA project secrets. ([#464](https://github.com/ethers-io/ethers.js/issues/464), [#651](https://github.com/ethers-io/ethers.js/issues/651), [#652](https://github.com/ethers-io/ethers.js/issues/652); [1ec5804](https://github.com/ethers-io/ethers.js/commit/1ec5804bd460f6948d4813469fdc7bf739baa6a6))
- Migrated to scrypt-js v3. ([75895fa](https://github.com/ethers-io/ethers.js/commit/75895fa1491e7542c755a102f4e4c190685fd2b6))
- Moved getDefaultProvider to providers package. ([51e4ef2](https://github.com/ethers-io/ethers.js/commit/51e4ef2b45b83a8d82923600a2fac544d70b0807))
- Migrating providers to modern syntax and scoping. ([#634](https://github.com/ethers-io/ethers.js/issues/634); [e1509a6](https://github.com/ethers-io/ethers.js/commit/e1509a6326dd2cb8bf7ed64b82dd3947b768a314))
- Migrating to modern syntax and scoping. ([#634](https://github.com/ethers-io/ethers.js/issues/634); [394c36c](https://github.com/ethers-io/ethers.js/commit/394c36cad43f229a94c72d21f94d1c7982a887a1))
- Added provider property to Web3Provider. ([#641](https://github.com/ethers-io/ethers.js/issues/641); [1d4f90a](https://github.com/ethers-io/ethers.js/commit/1d4f90a958da6364117353850d62535c9702abd2))
- Updated GitHub issue cache. ([494381a](https://github.com/ethers-io/ethers.js/commit/494381a6284cc8ed90bd8002d42a6b6d94dc1200))
- Force deploy receipt to address to be null. ([#573](https://github.com/ethers-io/ethers.js/issues/573); [d9d438a](https://github.com/ethers-io/ethers.js/commit/d9d438a119bb11f8516fc9cf02c534ab3816fcb3))
- Updated experimental NonceManager. ([3d514c8](https://github.com/ethers-io/ethers.js/commit/3d514c8dbb94e1c4ce5754463e683dd9dbe7c0aa))
- Fixed typo in error message. ([28339a9](https://github.com/ethers-io/ethers.js/commit/28339a9c8585392086da159a46df4afb8958915c))
- Added GitHub issue caching. ([fea867a](https://github.com/ethers-io/ethers.js/commit/fea867a206f007a17718396e486883a5e718aa29))
ethers/v5.0.0-beta.159 (2019-10-17 01:08)
-----------------------------------------
- Removing TypeScript build files from npm to fix excessive package diffs.
- Fixed getBlock for blockhashes with a leading 0. ([#629](https://github.com/ethers-io/ethers.js/issues/629); [12cfc59](https://github.com/ethers-io/ethers.js/commit/12cfc599656d7e3a6d3d9aa4e468592865a711cc))
ethers/v5.0.0-beta.158 (2019-09-28 01:56)
-----------------------------------------
- Added less-common, but useful, coding functions to Interface. ([778eb3b](https://github.com/ethers-io/ethers.js/commit/778eb3b425b5ab5b23d28e75be92feccd0fc56bc))
- Add response handling and 304 support to fetchJson. ([3d25882](https://github.com/ethers-io/ethers.js/commit/3d25882d6bf689740506b9c569f6e0d30da6f6a5))
- Allow numeric values in a transaction to be odd-lengthed hexstrings. ([#614](https://github.com/ethers-io/ethers.js/issues/614); [a12030a](https://github.com/ethers-io/ethers.js/commit/a12030ad29aa13c02aa75d9e0860f4986a0043b4))
- Simpler crypt for admin tools. ([828c8cf](https://github.com/ethers-io/ethers.js/commit/828c8cfd419ac4f8d11d978c2e2ff83eba5ae909))
ethers/v5.0.0-beta.157 (2019-09-08 02:43)
-----------------------------------------
- Fixed getContractAddress for odd-length hex values. ([#572](https://github.com/ethers-io/ethers.js/issues/572); [751793e](https://github.com/ethers-io/ethers.js/commit/751793ea25183d54d7fc4c610a789608f91c062e))
- Fixed typo in error message. ([#592](https://github.com/ethers-io/ethers.js/issues/592); [6f4291f](https://github.com/ethers-io/ethers.js/commit/6f4291f65f0ea20c65fef7fd7b09b4d5bf5f0dcd))
- Fixed typo in error message. ([#580](https://github.com/ethers-io/ethers.js/issues/580); [9c63b4a](https://github.com/ethers-io/ethers.js/commit/9c63b4a7535f423a802bb1c17c325ce968987349))
- Fixed typo in error message. ([#574](https://github.com/ethers-io/ethers.js/issues/574); [22a2673](https://github.com/ethers-io/ethers.js/commit/22a26736cc332fe6e896c9d2707cc99ceee2fb10))
ethers/v5.0.0-beta.156 (2019-09-06 17:56)
-----------------------------------------
- Removed export star to fix UMD dist file. ([4c17c4d](https://github.com/ethers-io/ethers.js/commit/4c17c4db0455e1b89fd597c4c929cdc36aa3d90d))
- Updated TypeScript version. ([e8028d0](https://github.com/ethers-io/ethers.js/commit/e8028d0e73368257b76b394bb8e2bf63f8aecd71))
- Fixed test suites and reporter. ([1e0ed4e](https://github.com/ethers-io/ethers.js/commit/1e0ed4e99a22a27fe5057336f8cb320809768f3e))
- Added lock-versions admin tool. ([2187604](https://github.com/ethers-io/ethers.js/commit/21876049137644af2b3afa31120ee95d032843a8))
- Updated packages with version lock and moved types. ([85b4db7](https://github.com/ethers-io/ethers.js/commit/85b4db7d6db37b853f11a90cf4648c34404edcf9))
- Fixed typo in error message. ([#592](https://github.com/ethers-io/ethers.js/issues/592); [019c1fc](https://github.com/ethers-io/ethers.js/commit/019c1fc7089b3da2d7bd41c933b6c6bc35c8dade))
- Fixed build process to re-target browser field to ES version. ([3a91e91](https://github.com/ethers-io/ethers.js/commit/3a91e91df56c1ef6cf096c0322f74fd5060891e0))
- Major overhaul in compilation to enable ES6 module generation. ([73a0077](https://github.com/ethers-io/ethers.js/commit/73a0077fd38c6ae79f33a9d4d3cc128a904b4a6c))
- Updated some of the flatworm docs. ([81fd942](https://github.com/ethers-io/ethers.js/commit/81fd9428cab4be7eee7ddeb564bf91f282cae475))
- Fixed package descriptions. ([#561](https://github.com/ethers-io/ethers.js/issues/561); [ebfca98](https://github.com/ethers-io/ethers.js/commit/ebfca98dc276d6f6ca6961632635e8203bb17645))
ethers/v5.0.0-beta.155 (2019-08-22 17:11)
-----------------------------------------
- Added Wrapped Ether and Token transfers to CLI. ([c031a13](https://github.com/ethers-io/ethers.js/commit/c031a1336815923bae85d9982dba0985a79cfaed))
- Fixed sendTransaction and use median gas price in FallbackProvider. ([07e1599](https://github.com/ethers-io/ethers.js/commit/07e15993ba181cfbff987778d158dbde6bb84de2))
- Port optional Secret Storage wallet address to v5. ([#582](https://github.com/ethers-io/ethers.js/issues/582); [a12d60d](https://github.com/ethers-io/ethers.js/commit/a12d60d722dfcf998a2e06eba5e46390d7d442e5))
- Updated flatworm docs output. ([8745a81](https://github.com/ethers-io/ethers.js/commit/8745a81b11b710036ddb546308c13958be1affb9))
- Added initial flatworm documentation stubs. ([0333a76](https://github.com/ethers-io/ethers.js/commit/0333a76f4ff382b5b59b24c672b702721e7a386a))
ethers/v5.0.0-beta.154 (2019-08-21 01:51)
-----------------------------------------
- Use safe transfer for ENS in CLI. ([b7494d8](https://github.com/ethers-io/ethers.js/commit/b7494d8618001797a4e856f3d1886273897e6ba4))
- Fixed quorum-matching logic for FallbackProvider. ([b304ec1](https://github.com/ethers-io/ethers.js/commit/b304ec1f008ec5301c0dbd1a493d790fe3528512))
- Added CloudflareProvider. ([#587](https://github.com/ethers-io/ethers.js/issues/587); [621313d](https://github.com/ethers-io/ethers.js/commit/621313d2a697bc6e1dd25eb5b08d67e832a28d05))
- Added receipt to CALL_EXCEPTION errors. ([724c32e](https://github.com/ethers-io/ethers.js/commit/724c32e8c08b55404594f263e52babb0550a15b8))
ethers/v5.0.0-beta.153 (2019-08-06 19:15)
-----------------------------------------
- Updated gas estimate failure messaging to include that the tx may simple be causing a revert. ([edb26b1](https://github.com/ethers-io/ethers.js/commit/edb26b16354afd707e5d03e174c4cc809b951c4f))
- Additional sanity checks in ethers-ens. ([de4b2a4](https://github.com/ethers-io/ethers.js/commit/de4b2a449ca3a49807c8bedb3e21e8e8d71e63fc))
- Fix bug in --wait for CLI. ([9977c9f](https://github.com/ethers-io/ethers.js/commit/9977c9f66a7007dcc1963128c88c584b6b6c064b))
- Added content-hash support to ENS CLI. ([7dfef46](https://github.com/ethers-io/ethers.js/commit/7dfef463f83a9190d1b89cf81e0fb692da3dd813))
ethers/v5.0.0-beta.152 (2019-08-05 14:37)
-----------------------------------------
- Using CLI --wait instead of custom Plugin flag for ethers-ens. ([19ee2b5](https://github.com/ethers-io/ethers.js/commit/19ee2b516005b2c35b846f19457ec9bbfa0c283b))
- Added --wait as a general flag to CLI. ([7640292](https://github.com/ethers-io/ethers.js/commit/7640292ac8b7b9e6de3ad6699d23e2debf26cc1b))
- Added migrate-registrar and transfer to ENS CLI. ([31e8e1b](https://github.com/ethers-io/ethers.js/commit/31e8e1b0520bc8be390fbf7e2b473c36a8649eb3))
- Include data in the CLI transaction dump. ([53bd96a](https://github.com/ethers-io/ethers.js/commit/53bd96a9f675233906033290f1e0c71ca4e9d389))
- Better errors on gas estimation failure. ([0e6b810](https://github.com/ethers-io/ethers.js/commit/0e6b810def390309240508a99b2cf0736848dedd))
ethers/v5.0.0-beta.151 (2019-08-05 14:29)
-----------------------------------------
- Added package name prefix to all _version for Logger. ([692589d](https://github.com/ethers-io/ethers.js/commit/692589db54cbca10a2a453e9a1801a8612056559))
ethers/v5.0.0-beta.150 (2019-08-03 01:07)
-----------------------------------------
- Fixed old references to errors package. ([1cabce7](https://github.com/ethers-io/ethers.js/commit/1cabce7e1c23b15cc2b630c0b403dd72d815a5ba))
- Added generation scripts for Table A.1 for stringprep. ([#42](https://github.com/ethers-io/ethers.js/issues/42); [b21681a](https://github.com/ethers-io/ethers.js/commit/b21681a7f4292b0e77315caad3a59fe814e9292b))
ethers/v5.0.0-beta.149 (2019-08-03 00:45)
-----------------------------------------
- Fixed some case-folding and added Table A.1 for IDNA. ([#42](https://github.com/ethers-io/ethers.js/issues/42); [f955dca](https://github.com/ethers-io/ethers.js/commit/f955dca417a6f86690cf33a81b08baa99e1b1a5c))
- Removed references to legacy errors pacakge and updated umbrella pacakge. ([c09de16](https://github.com/ethers-io/ethers.js/commit/c09de163473c361cac11ddef9ec852f4cbb7d8e3))
- Updated admin module to use new fetchJson. ([226c100](https://github.com/ethers-io/ethers.js/commit/226c100c72c3fcb0c0e3b62be5f579fd9cc4c904))
- Updated dist files. ([8354c3f](https://github.com/ethers-io/ethers.js/commit/8354c3f9fe5487f21acaaeccd4450d9a5d495bc1))
- Full case-folding for IDNA in namehash. ([0af95f4](https://github.com/ethers-io/ethers.js/commit/0af95f4a655106e67c2ba8f445af88c9e9e24339))
- Deprecating errors for logger. ([0b224e8](https://github.com/ethers-io/ethers.js/commit/0b224e8fb5811cd06727063c909ca1e1e5cde57e))
- More consistent debug events for Providers. ([e8f28b5](https://github.com/ethers-io/ethers.js/commit/e8f28b55d7dd62e29f03628232ffe7c75dc811b5))
ethers/v5.0.0-beta.148 (2019-07-27 18:56)
-----------------------------------------
- Initial drop of new ENS CLI tool. ([c3c65b2](https://github.com/ethers-io/ethers.js/commit/c3c65b2fa19e117d6433c2e0b3d20decfe506c74))
- Added TypeScript tool support for functions with multiple outputs. ([6de4a5d](https://github.com/ethers-io/ethers.js/commit/6de4a5d8a9d114c4c33c58f8a304b60e7370eeff))
- Added CLI support for stand-alone (no sub-command) tools. ([b67b121](https://github.com/ethers-io/ethers.js/commit/b67b12123996f1aaf7cbe3c8648fd85a22d6674e))
- Make utils.resolveProperties preserve object parameter order. ([74dbc28](https://github.com/ethers-io/ethers.js/commit/74dbc281ede042c5eeaa7b45150b215dea860a88))
- Added initial IDNA support for full UTF-8 support in namehash. ([#42](https://github.com/ethers-io/ethers.js/issues/42); [28eb38e](https://github.com/ethers-io/ethers.js/commit/28eb38ee703288aaad9f730b2d93fe3aeea7ada6))
ethers/v5.0.0-beta.147 (2019-07-23 01:04)
-----------------------------------------
- Use the CLI solc instead of solc directly for ABI testcase generation. ([99c7b1c](https://github.com/ethers-io/ethers.js/commit/99c7b1ca94382490b9757fd51375a7ad4259b831))
- Added experimental UTF-8 functions for escaping non-ascii strings. ([b132e32](https://github.com/ethers-io/ethers.js/commit/b132e32172c9d63e59209628dadd5796dd6291c8))
- Bump Solidity version in CLI to 0.5.10. ([6005248](https://github.com/ethers-io/ethers.js/commit/600524842e1a4b857e8428a45c0c7d1baa0624ee))
ethers/v5.0.0-beta.146 (2019-07-20 21:06)
-----------------------------------------
- Keep extra filter topics when using Frgment filters in Contracts. ([efaafb2](https://github.com/ethers-io/ethers.js/commit/efaafb203feaf703de803df7e346652372e9fb75))
- Updated package.json description for Contract package. ([#561](https://github.com/ethers-io/ethers.js/issues/561); [d88ee45](https://github.com/ethers-io/ethers.js/commit/d88ee45937b3484b68f72e3f72ad6c29556c984b))
ethers/v5.0.0-beta.145 (2019-07-20 20:12)
-----------------------------------------
- Export provider.Formatter. ([#562](https://github.com/ethers-io/ethers.js/issues/562); [083fd76](https://github.com/ethers-io/ethers.js/commit/083fd76a3a638ec16d5f9bf652101e5a150c7347))
- Update CLI to use new Fragment.format style. ([9a41199](https://github.com/ethers-io/ethers.js/commit/9a4119910b07d1ad61bafafb38ac18a9dae1d9ed))
- Added FormatTypes to utils. ([a05027c](https://github.com/ethers-io/ethers.js/commit/a05027c744102bbe1be5e13dd89b9c1e64b3b526))
- Added experimental memory-hard password scheme for password-protected mnemonics to the CLI. ([5877418](https://github.com/ethers-io/ethers.js/commit/5877418de94256a69fdf2ad466ba579309b9dee8))
- Added more flexible output options to fragment.format (JSON and minimal) and better JSON object parsing. ([e9558c8](https://github.com/ethers-io/ethers.js/commit/e9558c8d4fe6df889f4d7ba6ac6448aa543ef99d))
ethers/v5.0.0-beta.144 (2019-07-09 17:28)
-----------------------------------------
- Make mnemonic phrases case agnostic. ([#557](https://github.com/ethers-io/ethers.js/issues/557); [e4423b7](https://github.com/ethers-io/ethers.js/commit/e4423b7a277e7e1be1c02d345d4ab1eab484c9b8))
ethers/v5.0.0-beta.143 (2019-07-02 16:12)
-----------------------------------------
- Adding more support for offline signing in the CLI. ([9cc269c](https://github.com/ethers-io/ethers.js/commit/9cc269ceb5d33b2d88542d4bc6771279f729e733))
- Allow providers to prepare their Network object. ([6484908](https://github.com/ethers-io/ethers.js/commit/6484908cb25dd35e5d98b2672dca72ed3f30cbe1))
- Export BIP-44 default path in ethers.utils. ([04bdf45](https://github.com/ethers-io/ethers.js/commit/04bdf456eb07aa72872265e0ee01e3231d2b6cf1))
ethers/v5.0.0-beta.142 (2019-06-28 16:13)
-----------------------------------------
- Do not require a Signer for contract.populateTransaction. ([0e78386](https://github.com/ethers-io/ethers.js/commit/0e78386a08d3d3a0a98c8d03cd665b8992ab3ea2))
- Bumping version of solc to 0.5.9. ([e2da447](https://github.com/ethers-io/ethers.js/commit/e2da447c7bc05937966bc4909c47291e4819d2a9))
ethers/v5.0.0-beta.141 (2019-06-24 21:25)
-----------------------------------------
- Fix non-ES6 import in keccak256. ([5eb393d](https://github.com/ethers-io/ethers.js/commit/5eb393d828328b34567566d3c0d622b4aef1e202))
- Refactored wordlist exports to export Wordlist directly. ([746d255](https://github.com/ethers-io/ethers.js/commit/746d255b741844b615583b2de3ffd07631b4e872))
ethers/v5.0.0-beta.140 (2019-06-12 01:25)
-----------------------------------------
- Move from node-fetch to cross-fetch; better browser fallback implementation. ([826ffbc](https://github.com/ethers-io/ethers.js/commit/826ffbc7c4ed1c301f30e6f264eedeaf3c243ca8))
- Added getStatic with support for inheritance of static methods. ([5e4535e](https://github.com/ethers-io/ethers.js/commit/5e4535e939fdb9d9d23bd14b3e2590873d3eb508))
- Fixed node-fetch for Safari (todo: push this fix upstream to node-fetch). ([7164e51](https://github.com/ethers-io/ethers.js/commit/7164e51131215ae3201b49f8c7f5ade8cbd8a420))
- Migrated XMLHttpRequest to fetch API. ([#506](https://github.com/ethers-io/ethers.js/issues/506); [62201c5](https://github.com/ethers-io/ethers.js/commit/62201c5eebc52e9723dbbb2cc64823155ce1e0f9))
ethers/v5.0.0-beta.139 (2019-06-11 17:55)
-----------------------------------------
- Removed freeze option from deepCopy; all properties are read-only and only objects may have new properties added. ([1bc792d](https://github.com/ethers-io/ethers.js/commit/1bc792d9dcc6a06a1be4fc5e5b9a538a3f6b7ada))
- Moved away from isNamedInstance which breaks after Browserify name mangling. ([257d67c](https://github.com/ethers-io/ethers.js/commit/257d67c9625fa237bcfb3d651c49aa3b79175cae))
- Expose poll function in utils. ([#512](https://github.com/ethers-io/ethers.js/issues/512); [e6f6383](https://github.com/ethers-io/ethers.js/commit/e6f6383346818fa67423f1f20450e011242eb554))
- Make TransactionResponse hash required. ([#537](https://github.com/ethers-io/ethers.js/issues/537); [095c1fe](https://github.com/ethers-io/ethers.js/commit/095c1fe579068a3204ea0d1bc1893f293f61e719))
ethers/v5.0.0-beta.138 (2019-06-04 16:05)
-----------------------------------------
- Fixed INFURA project ID checking. ([#534](https://github.com/ethers-io/ethers.js/issues/534); [5bf763f](https://github.com/ethers-io/ethers.js/commit/5bf763fe2307e8570ab5e91e30c43e2e5731fc39))
ethers/v5.0.0-beta.137 (2019-06-01 14:06)
-----------------------------------------
- Fixed invalid arrayify value in browser for SHA2-HMAC. ([#530](https://github.com/ethers-io/ethers.js/issues/530); [c4a494b](https://github.com/ethers-io/ethers.js/commit/c4a494b528f2e5f706c159d916d8ff0ffd96a211))
- Fix event and function fragment formatting. ([a2d4b29](https://github.com/ethers-io/ethers.js/commit/a2d4b2907184d9480a72fe6f67652489074af86e))
- Fixed default JsonRpcSigner. ([#532](https://github.com/ethers-io/ethers.js/issues/532); [5ba6a61](https://github.com/ethers-io/ethers.js/commit/5ba6a616a6f969b1f28f8c6367c21488f497a7ae))
- Added changelog management to update-versions. ([4a3f719](https://github.com/ethers-io/ethers.js/commit/4a3f7190dc04275030d313289e1ba6a2b31407ec))
ethers/v5.0.0-beta.136
----------------------
- Added queryFilter to Contracts. ([#463](https://github.com/ethers-io/ethers.js/issues/463); [eea53bb](https://github.com/ethers-io/ethers.js/commit/eea53bb1be29ad2bd1b229a13c85b12be264b019))
- Allow storage class in Human-Readable ABI. ([#476](https://github.com/ethers-io/ethers.js/issues/476); [cf39adb](https://github.com/ethers-io/ethers.js/commit/cf39adb09020ca0393e028b330bfd07fb4869236))
- Track per-provider JSON-RPC ID in JsonRpcProvider. ([#337](https://github.com/ethers-io/ethers.js/issues/337), [#489](https://github.com/ethers-io/ethers.js/issues/489); [044554b](https://github.com/ethers-io/ethers.js/commit/044554b58525d1677646a74119f86ea867a06d1e))
- Fixed typo in error message. ([#470](https://github.com/ethers-io/ethers.js/issues/470); [47d92ae](https://github.com/ethers-io/ethers.js/commit/47d92aeff02cacfb26793850c7faef7cb21ce4cf))
ethers/v5.0.0-beta.135
----------------------
- Better error message for unconfigured ENS names. ([#504](https://github.com/ethers-io/ethers.js/issues/504); [3cbc4b4](https://github.com/ethers-io/ethers.js/commit/3cbc4b462262ba61fa7d99a7a12e7bbf8049afb1))
- Fixed contract events. ([#404](https://github.com/ethers-io/ethers.js/issues/404); [8cdda37](https://github.com/ethers-io/ethers.js/commit/8cdda37095df28f828ccd2ac5437ccb6541b16cc))
- Updated license for BaseX to include original authors; was only included in the source. ([03c9725](https://github.com/ethers-io/ethers.js/commit/03c97259c46de10dbe6ce62921de2f32ffff0522))

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@@ -1,46 +0,0 @@
# Contributor Covenant Code of Conduct
## Our Pledge
In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
## Our Standards
Examples of behavior that contributes to creating a positive environment include:
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery and unwelcome sexual attention or advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a professional setting
## Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
## Scope
This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at support@ethers.io. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
[homepage]: http://contributor-covenant.org
[version]: http://contributor-covenant.org/version/1/4/

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@@ -1,6 +1,6 @@
MIT License
Copyright (c) 2017 Richard Moore
Copyright (c) 2019 Richard Moore
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

105
README.md
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@@ -1,20 +1,22 @@
ethers.js
=========
The Ethers Project
==================
[![npm version](https://badge.fury.io/js/ethers.svg)](https://badge.fury.io/js/ethers)
[![npm (tag)](https://img.shields.io/npm/v/ethers)](https://www.npmjs.com/package/ethers)
[![Node.js CI](https://github.com/ethers-io/ethers.js/workflows/Node.js%20CI/badge.svg?branch=ethers-v5-beta)](https://github.com/ethers-io/ethers.js/actions?query=workflow%3A%22Node.js+CI%22)
Complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript).
A complete Ethereum wallet implementation and utilities in JavaScript (and TypeScript).
**Features:**
- Keep your private keys in your client, **safe** and sound
- Import and export **JSON wallets** (Geth, Parity and crowdsale)
- Import and export BIP 39 **mnemonic phrases** (12 word backup phrases) and **HD Wallets** (English, French, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese)
- Import and export BIP 39 **mnemonic phrases** (12 word backup phrases) and **HD Wallets** (English as well as Czech, French, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese)
- Meta-classes create JavaScript objects from any contract ABI, including **ABIv2** and **Human-Readable ABI**
- Connect to Ethereum nodes over [JSON-RPC](https://github.com/ethereum/wiki/wiki/JSON-RPC), [INFURA](https://infura.io), [Etherscan](https://etherscan.io), or [MetaMask](https://metamask.io)
- Connect to Ethereum nodes over [JSON-RPC](https://github.com/ethereum/wiki/wiki/JSON-RPC), [INFURA](https://infura.io), [Etherscan](https://etherscan.io), [Alchemy](https://alchemyapi.io) or [MetaMask](https://metamask.io)
- **ENS names** are first-class citizens; they can be used anywhere an Ethereum addresses can be used
- **Tiny** (~84kb compressed; 270kb uncompressed)
- **Complete** functionality for all your Ethereum needs
- **Tiny** (~104kb compressed; 322kb uncompressed)
- **Modular** packages; include only what you need
- **Complete** functionality for all your Ethereum desires
- Extensive [documentation](https://docs.ethers.io/ethers.js/html/)
- Large collection of **test cases** which are maintained and added to
- Fully **TypeScript** ready, with definition files and full TypeScript source
@@ -24,82 +26,67 @@ Complete Ethereum wallet implementation and utilities in JavaScript (and TypeScr
Keep Updated
------------
For the latest news and advisories, please follow [@ethersproject](https://twitter.com/ethersproject) on Twitter as well as this GitHub project.
For the latest news and advisories, please follow the [@ethersproject](https://twitter.com/ethersproject)
on Twitter (low-traffic, non-marketing, important information only) as well as watch this GitHub project.
For the latest changes, see the [CHANGELOG](https://github.com/ethers-io/ethers.js/blob/master/CHANGELOG.md).
Installing
----------
To use in a browser:
**node.js**
```html
<script charset="utf-8"
src="https://cdn.ethers.io/scripts/ethers-v4.min.js"
type="text/javascript">
```
/home/ricmoo/some_project> npm install --save ethers
```
**browser (UMD)**
```
<script src="https://cdn.ethers.io/lib/ethers-5.0.umd.min.js" type="text/javascript">
</script>
```
To use in [node.js](https://nodejs.org/):
**browser (ESM)**
```
/Users/ethers/my-app> npm install --save ethers
<script type="module">
import { ethers } from "https://cdn.ethers.io/lib/ethers-5.0.umd.min.js";
</script>
```
Documentation
-------------
Browse the [API Documentation](https://docs.ethers.io/ethers.js/html/) online.
Browse the [documentation](https://docs.ethers.io/v5/) online:
To fork and submit pull requests to the documentation, please see the
[documentation repository](https://github.com/ethers-io/documentation).
- [Getting Started](https://docs.ethers.io/v5/getting-started/)
- [Full API Documentation](https://docs.ethers.io/v5/api/)
- [Various Ethereum Articles](https://blog.ricmoo.com/)
Or browse the entire documentation as a [single page](https://docs.ethers.io/single-page/) to make searching easier.
Related Libraries
---------------
Ancillary Packages
------------------
- [Command Line Interface](https://github.com/ethers-io/ethers-cli) - Command Line Tools for ethers
- [CryptoKitties](https://github.com/ricmoo/ethers-meow) - CryptoKitties utility libraries
- [ENS](https://github.com/ethers-io/ethers-ens) - ENS utility libraries for managing names
- [LedgerSigner](https://github.com/ethers-io/ethers-ledger) - Use a Ledger Hardware Wallet as an ethers Signer (supports HID (node.js) and U2F (browser); or specify your own transport)
- [Web3 Bridge](https://github.com/ethers-io/ethers-web3-bridge) - Use ethers as the backend for a Web3 front-end
These are a number of packages not included in the umbrella `ethers` npm package, and
additional packages are always being added. Often these packages are for specific
use-cases, so rather than adding them to the umbrella package, they are added as
ancillary packaged, which can be included by those who need them, while not bloating
everyone else with packages they do not need.
We will keep a list of useful packages here.
Hacking and Contributing
------------------------
The JavaScript code is now generated from TypeScript, so make sure you modify the
TypeScript and compile it, rather than modifying the JavaScript directly. To start
auto-compiling the TypeScript code, you may use:
```
/home/ethers> npm run auto-build
```
A very important part of ethers is its exhaustive test cases, so before making any
bug fix, please add a test case that fails prior to the fix, and succeeds after the
fix. All regression tests must pass.
Pull requests are always welcome, but please keep a few points in mind:
- Compatibility-breaking changes will not be accepted; they may be considered for the next major version
- Security is important; adding dependencies require fairly convincing arguments
- The library aims to be lean, so keep an eye on the `dist/ethers.min.js` file size before and after your changes
- Add test cases for both expected and unexpected input
- Any new features need to be supported by us (issues, documentation, testing), so anything that is overly complicated or specific may not be accepted
In general, **please start an issue before beginning a pull request**, so we can have a public discussion. :)
Donations
---------
I do this because I love it, but if you want to buy me a coffee, I won't say no. **:o)**
Ethereum: `0xEA517D5a070e6705Cc5467858681Ed953d285Eb9`
- `@ethersproject/experimental` ([documentation](https://docs.ethers.io))
- `@ethersproject/cli` ([documentation](https://docs.ethers.io))
- `@ethersproject/hardware-wallets` ([documentation](https://docs.ethers.io))
License
-------
Completely MIT Licensed. Including ALL dependencies.
MIT License (including **all** dependencies).

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@@ -0,0 +1,33 @@
# Security Policy
## Supported Versions
Maintaining multiple versions of the library is quite time consuming, so
the majority of the effort is focused on the latest major release.
If you do require a version outside of this chart updated with patch fix,
please [contact me](mailto:github@ricmoo.com).
| Version | Supported | Initial Release |
| ------- | ------------------------------------------ | ----------------- |
| 5.0.x | :white_check_mark: | 2020-06-12 |
| 4.0.x | :white_check_mark: (security patches only) | 2018-10-01 |
| 3.0.x | :x: | 2018-03-05 |
| 2.2.x | :x: | 2018-01-11 |
| 2.1.x | :x: | 2017-05-22 |
| 2.0.x | :x: | 2017-04-05 |
| 1.0.x | :x: | 2016-08-23 |
| 0.0.x | :x: | 2016-07-14 |
## Reporting a Vulnerability
If you identify a security vulnerability with this library (or any dependency),
please do not hesitate to contact [github@ricmoo.com](mailto:github@ricmoo.com)
immediately.
I try to respond within the same day and will address any concern as quickly
as possible (including code fixes and publishing to NPM).
Any vulnerability will also be published to this file, along with credits,
pertinent information and links to fixes.

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@@ -1 +0,0 @@
export declare const version = "4.0.32";

11
abstract-signer.d.ts vendored
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@@ -1,11 +0,0 @@
import { Provider } from './providers/abstract-provider';
import { Arrayish } from './utils/bytes';
import { TransactionRequest, TransactionResponse } from './providers/abstract-provider';
export declare abstract class Signer {
readonly provider?: Provider;
abstract getAddress(): Promise<string>;
abstract signMessage(message: Arrayish | string): Promise<string>;
abstract sendTransaction(transaction: TransactionRequest): Promise<TransactionResponse>;
constructor();
static isSigner(value: any): value is Signer;
}

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@@ -1,14 +0,0 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var properties_1 = require("./utils/properties");
var Signer = /** @class */ (function () {
function Signer() {
properties_1.setType(this, 'Signer');
}
Signer.isSigner = function (value) {
return properties_1.isType(value, 'Signer');
};
return Signer;
}());
exports.Signer = Signer;
//defineReadOnly(Signer, 'inherits', inheritable(Signer));

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@@ -0,0 +1,59 @@
Admin Tool
==========
This tool is meant for admin tasks related to ethers.js.
Workflow
--------
After a new series of changes have been made and tested:
1. Run `npm run update-versions` to update and build all packages
2. Make any human-necessary changes to the automatically updated `CHANGELOG.md`
3. Run `git add .`
4. Run `git commit -S -m "Updated dist files."`
5. Run `git push`
6. Wait for TravisCI to complete running test cases
7. Run `npm run publish-all` to publish changed packages to NPM and tag GitHub
Update Dependency Graph: admin/cmds/update-depgraph
---------------------------------------------------
This is run as part of `npm run bootstrap` before running lerna bootstrap.
It recomputes the dependency graph and writes out the ordered
**tsconfig.project.json**
Update Versions: admin/cmds/update-versions
-------------------------------------------
Run using the `npm run update-versions`, which also cleans, bootstraps and
rebuilds the project before running the script.
For each package that has changed from the version in NPM (the published
tarballs are compared):
- Update the `version` in the **package.json**
- Update the `src.ts/_version.ts` (matches the **package.json**)
- Updates the `tarballHash` in the **package.json**
- Compiles the TypeScript (which updates the `_version.js` and `_version.d.js`)
- Lists all changed files (highlighting src.ts files)
Then:
- Generate the distribution files
- Update the `CHANGELOG.md`
Publish: admin/cmds/publish
---------------------------
Run using `npm run publish-all`. This requires a password for the secure
local config and the OTP for NPM.
- Publish (in dependency order) changed files to NPM
- The `gitHead` is updated in **only** the NPM **package.json**
- @TODO: Cut a release on GitHub including the relevant CHANGELOG entry

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"use strict";
const fs = require("fs");
const resolve = require("path").resolve;
const spawn = require("child_process").spawn;
const { dirnames } = require("./local");
const { loadPackage, savePackage } = require("./local");
const { loadJson, saveJson } = require("./utils");
function run(progname, args, ignoreErrorStream) {
return new Promise((resolve, reject) => {
const proc = spawn(progname, args);
let stdout = Buffer.from([]);
let stderr = Buffer.from([]);
proc.stdout.on("data", (data) => {
stdout = Buffer.concat([ stdout, data ]);
});
proc.stderr.on("data", (data) => {
stderr = Buffer.concat([ stdout, data ]);
});
proc.on("error", (error) => {
console.log("ERROR");
console.log(stderr.toString());
error.stderr = stderr.toString();
error.stdout = stdout.toString();
reject(error);
});
proc.on("close", (code) => {
if ((stderr.length && !ignoreErrorStream) || code !== 0) {
console.log("ERROR");
console.log(stderr.toString());
let error = new Error(`stderr not empty: ${ progname } ${ JSON.stringify(args) }`);
error.stderr = stderr.toString();
error.stdout = stdout.toString();
error.statusCode = code;
reject(error);
} else {
resolve(stdout.toString());
}
});
});
}
function setupConfig(outDir, moduleType, targetType) {
// Configure the tsconfit.package.json...
const path = resolve(__dirname, "../tsconfig.package.json");
const content = loadJson(path);
content.compilerOptions.module = moduleType;
content.compilerOptions.target = targetType;
saveJson(path, content);
// Configure the browser field for every pacakge, copying the
// browser.umd filed for UMD and browser.esm for ESM
dirnames.forEach((dirname) => {
let info = loadPackage(dirname);
if (info._ethers_nobuild) { return; }
if (targetType === "es2015") {
if (info["browser.esm"]) {
info.browser = info["browser.esm"];
}
} else if (targetType === "es5") {
if (info["browser.umd"]) {
info.browser = info["browser.umd"];
}
} else {
throw new Error("unsupported target");
}
savePackage(dirname, info);
let path = resolve(__dirname, "../packages", dirname, "tsconfig.json");
let content = loadJson(path);
content.compilerOptions.outDir = outDir;
saveJson(path, content);
});
}
function setupBuild(buildModule) {
if (buildModule) {
setupConfig("./lib.esm/", "es2015", "es2015");
} else {
setupConfig("./lib/", "commonjs", "es5");
}
}
function runBuild(buildModule) {
setupBuild(buildModule);
// Compile
return run("npx", [ "tsc", "--build", resolve(__dirname, "../tsconfig.project.json"), "--force" ]);
}
function runDist() {
return run("npm", [ "run", "_dist" ], true);
}
module.exports = {
run: run,
runDist: runDist,
runBuild: runBuild,
setupBuild: setupBuild
};

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@@ -0,0 +1,145 @@
"use strict";
const fs = require("fs");
const resolve = require("path").resolve;
const git = require("./git");
const local = require("./local");
const npm = require("./npm");
const utils = require("./utils");
const ChangelogPath = resolve(__dirname, "../CHANGELOG.md");
async function generate() {
// Get each section of the Changelog
let existing = fs.readFileSync(ChangelogPath).toString().split("\n");
let sections = [ ];
let lastLine = existing[0];
existing.slice(1).forEach((line) => {
if (line.substring(0, 5) === "=====" || line.substring(0, 5) === "-----") {
sections.push({
title: lastLine,
underline: line.substring(0, 1),
body: [ ]
});
lastLine = null;
return;
} else if (lastLine) {
sections[sections.length - 1].body.push(lastLine);
}
lastLine = line;
});
sections[sections.length - 1].body.push(lastLine);
let lastVersion = await npm.getPackageVersion("ethers");
let logs = await git.run([ "log", (lastVersion.gitHead + "..") ]);
let changes = [ ];
logs.split("\n").forEach((line) => {
if (line.toLowerCase().substring(0, 6) === "commit") {
changes.push({
commit: line.substring(6).trim(),
body: [ ]
});
} else if (line.toLowerCase().substring(0, 5) === "date:") {
changes[changes.length - 1].date = utils.getDateTime(new Date(line.substring(5).trim()));
} else if (line.substring(0, 1) === " ") {
line = line.trim();
if (line === "") { return; }
changes[changes.length - 1].body += line + " ";
}
});
// @TODO:
// ethers/version ([date](tag))
let newSection = {
title: `ethers/v${ local.loadPackage("ethers").version } (${utils.getDateTime(new Date())})`,
underline: "-",
body: [ ]
}
// Delete duplicate sections for the same version (ran update multiple times)
while (sections[1].title === newSection.title) {
sections.splice(1, 1);
}
changes.forEach((change) => {
let body = change.body.trim();
let link = body.match(/(\((.*#.*)\))/)
let commit = `[${ change.commit.substring(0, 7) }](https://github.com/ethers-io/ethers.js/commit/${ change.commit })`;
if (link) {
body = body.replace(/ *(\(.*#.*)\) */, "");
link = link[2].replace(/#([0-9]+)/g, (all, issue) => {
return `[#${ issue }](https://github.com/ethers-io/ethers.js/issues/${ issue })`;
}) + "; " + commit;
} else {
link = commit;
}
newSection.body.push(` - ${ body } (${ link })`);
});
sections.splice(1, 0, newSection);
let formatted = [ ];
sections.forEach((section) => {
formatted.push(section.title);
formatted.push(utils.repeat(section.underline, section.title.length));
formatted.push("");
section.body.forEach((line) => {
line = line.trim();
if (line === "") { return; }
if (line.substring(0, 1) === "-") {
line = "- " + line.substring(1).trim();
}
if (section.underline === "-") {
line = " " + line;
}
formatted.push(line);
});
formatted.push("");
});
return formatted.join("\n") + "\n";
}
function getChanges() {
const changes = [ ];
let lastLine = null;
fs.readFileSync(ChangelogPath).toString().split("\n").forEach((line) => {
line = line.trim();
if (line === "") { return; }
if (line.substring(0, 5) === "-----") {
changes.push({ title: lastLine, lines: [ ] });
} else if (line.substring(0, 1) === "-" && changes.length) {
changes[changes.length - 1].lines.push(line);
}
lastLine = line;
});
return changes;
}
function latestChange() {
const recent = getChanges()[0];
const match = recent.title.match(/ethers\/([^\(]*)\(([^\)]*)\)/);
return {
title: recent.title,
version: match[1].trim(),
data: match[2].trim(),
content: recent.lines.join("\n")
};
}
module.exports = {
generate: generate,
latestChange: latestChange,
ChangelogPath: ChangelogPath,
}

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"use strict";
const config = require("../config");
const { syncIssues } = require("../github");
(async function() {
const user = await config.get("github-user");
const password = await config.get("github-readonly");
await syncIssues(user, password);
})();

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"use strict";
const { colorify } = require("../log");
const { getIssues } = require("../github");
const { repeat } = require("../utils");
const Options = {
"body": 1,
"end": 1,
"issue": 1,
"start": 1,
"title": 1,
"user": 1,
};
const Flags = {
"open": 1,
"match-case": 1,
};
(async function() {
const options = { };
for (let i = 2; i < process.argv.length; i++) {
const option = process.argv[i];
if (option.substring(0, 2) === "--") {
const comps = option.substring(2).split(/=/);
if (Flags[comps[0]]) {
if (comps[1] != null) { throw new Error("Invalid flag: " + option); }
options[comps[0]] = true;
} else if (Options[comps[0]]) {
if (comps[1] == null) {
options[comps[0]] = process.argv[++i];
if (options[comps[0]] == null) {
throw new Error("Missing option value: " + option);
}
} else {
options[comps[0]] = comps[1];
}
} else {
throw new Error("Unexpected option: " + option);
}
} else {
throw new Error("Unexpected argument: " + option);
}
}
if (options["title"]) { options.title = new RegExp(options.title, (options["match-case"] ? "": "i")); }
if (options["body"]) { options.body = new RegExp(options.title, (options["match-case"] ? "": "i")); }
if (options["start"]) {
if (options["start"].match(/^[0-9]{4}-[0-9]{2}-[0-9{2}]$/)) {
throw new Error("Expected YYYY-MM-DD");
}
}
if (options["end"]) {
if (options["end"].match(/^[0-9]{4}-[0-9]{2}-[0-9{2}]$/)) {
throw new Error("Expected YYYY-MM-DD");
}
}
const count = { issues: 0, comments: 0, code: 0, responses: 0 };
const issues = await getIssues();
issues.forEach((issue) => {
const info = issue.issue;
const comments = issue.comments;
if (options.issue && parseInt(options.issue) != info.number) { return; }
if (options.open && info.state !== "open") { return; }
if (options.title && !info.title.match(options.title)) { return; }
if (options.body) {
const body = info.body + "\n" + comments.map((c) => (c.body)).join("\n");
if (!body.match(options.body)) {
return;
}
}
if (options.user) {
const users = comments.map((c) => (c.user.login));
users.push(info.user.login);
if (users.indexOf(options.user) === -1) {
return;
}
}
const dates = comments.map((c) => (c.created_at.split("T")[0]));
dates.push(info.created_at.split("T")[0]);
if (options.start) {
if (dates.filter((d) => (d >= options.start)).length === 0) { return; }
}
if (options.end) {
if (dates.filter((d) => (d <= options.start)).length === 0) { return; }
}
count.issues++;
console.log(colorify(repeat("=", 70), "bold"))
console.log(colorify("Issue:", "bold"), info.title, ` (#${ info.number })`);
console.log(colorify("User:","bold"), colorify(info.user.login, "blue"));
console.log(colorify("State:", "bold"), info.state);
if (info.created_at === info.updated_at) {
console.log(colorify("Created:", "bold"), info.created_at);
} else {
console.log(colorify("Created:", "bold"), info.created_at, ` (updated: ${ info.updated_at })`);
}
info.body.trim().split("\n").forEach((line) => {
console.log(" " + line);
});
if (comments.length) {
comments.forEach((info) => {
if (options.start && info.created_at < options.start) { return ; }
if (options.end && info.created_at > options.end) { return; }
count.comments++;
if (options.user && info.user.login !== options.user) { return; }
count.responses++;
if (info.body.indexOf("`") >= 0) { count.code++; }
console.log(colorify(repeat("-", 70), "bold"));
console.log(colorify("User:", "bold"), colorify(info.user.login, "green"));
if (info.created_at === info.updated_at) {
console.log(colorify("Created:", "bold"), info.created_at);
} else {
console.log(colorify("Created:", "bold"), info.created_at, ` (updated: ${ info.updated_at })`);
}
info.body.trim().split("\n").forEach((line) => {
console.log(" " + line);
});
});
}
});
console.log(colorify(repeat("=", 70), "bold"))
// @TODO: Add stats on new/closed issues
//if (options.user) {
// console.log(`${ count.responses } responses (${ count.code } w/ code) on ${ count.comments } comments across ${ count.issues } issues.`);
//} else {
console.log(`${ count.comments } comment${ (count.comments !== 1) ? "s": "" } across ${ count.issues } issue${ (count.issues !== 1) ? "s": ""}.`);
//}
})().catch((error) => {
console.log("Error: " + error.message);
});

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"use strict";
const { getOrdered, loadPackage } = require("../depgraph");
const { savePackage } = require("../local");
const { log } = require("../log");
(async function() {
let versions = { };
const dirnames = getOrdered();
dirnames.forEach((dirname) => {
let info = loadPackage(dirname);
if (info.name.split("/")[0] === "@ethersproject" || info.name === "ethers") {
versions[info.name] = info.version;
}
});
dirnames.forEach((dirname) => {
const info = loadPackage(dirname);
let shown = false;
["dependencies", "devDependencies"].forEach((key) => {
const deps = info[key];
if (!deps) { return; }
Object.keys(deps).forEach((name) => {
// Not a package in this monorepoa
const version = versions[name];
if (version == null) { return; }
const value = ((version.indexOf("beta") !== -1) ? ">=": "^") + version;
// No change
if (value === deps[name]) { return; }
// Show a header for the first change
if (!shown) {
log(`<bold:Locking ${ info.name }:>`);
shown = true;
}
// Show the locked version
log(` <green:${ name }>: ${ deps[name] } => <bold:${ value.replace(">", "&gt;") }>`);
deps[name] = value;
});
});
savePackage(dirname, info);
});
})();

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"use strict";
const config = require("../config");
const { ChangelogPath, latestChange } = require("../changelog");
const { getOrdered, loadPackage } = require("../depgraph");
const { getGitTag } = require("../git");
const { createRelease } = require("../github");
const { getPackageVersion, publish } = require("../npm");
const { log } = require("../log");
const USER_AGENT = "ethers-dist@0.0.0";
const TAG = "latest";
let dirnames = getOrdered();
// Only publish specific packages
if (process.argv.length > 2) {
let filter = process.argv.slice(2);
// Verify all named packages exist
filter.forEach((dirname) => {
try {
loadPackage(dirname);
} catch (error) {
console.log("Package not found: " + dirname);
process.exit(1);
}
});
// Filter out pacakges we don't care about
dirnames = dirnames.filter((dirname) => (filter.indexOf(dirname) >= 0));
}
(async function() {
let token = null;
const gitCommit = await getGitTag(ChangelogPath);
let includeEthers = false;
// @TODO: Fail if there are any untracked files or unchecked in files
// Load the token from the encrypted store
try {
token = await config.get("npm-token");
} catch (error) {
switch (error.message) {
case "wrong password":
log("<bold:Wrong password>");
break;
case "cancelled":
break;
default:
console.log(error);
}
log("<red:Aborting.>");
return;
}
token = token.trim().split("=");
let options = {
npmVersion: USER_AGENT,
tag: TAG
};
// Set the authentication token
options[token[0]] = token[1];
for (let i = 0; i < dirnames.length; i++) {
let dirname = dirnames[i];
if (dirname === "ethers") {
includeEthers = true;
}
let info = loadPackage(dirname);
let npmInfo = await getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { version: "NEW" }; }
if (info.tarballHash === npmInfo.tarballHash) { continue; }
log(`<bold:Publishing:> ${info.name}...`);
log(` <blue:Version:> ${npmInfo.version} <bold:=\\>> ${info.version}`);
let success = await publish(dirname, options);
if (!success) {
log(" <red:FAILED! Aborting.>");
return;
}
log(" <green:Done.>");
}
// Publish the GitHub release
const beta = false;
if (includeEthers) {
{
// The password above already succeeded
const username = await config.get("github-user");
const password = await config.get("github-release");
// Get the latest change from the changelog
const change = latestChange();
// Publish the release
const link = await createRelease(username, password, change.version, change.title, change.content, beta, gitCommit);
log(`<bold:Published Release:> ${ link }`);
}
/*
{
const accessKey = await config.get("aws-upload-scripts-accesskey");
const secretKey = await config.get("aws-upload-scripts-secretkey");
const s3 =
}
*/
}
})();

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"use strict";
const { setupBuild } = require("../build");
setupBuild(false);

100
admin/cmds/serve-docs.js Normal file
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const fs = require("fs");
const http = require("http");
const path = require("path");
function getMime(filename) {
const comps = filename.split('.');
const ext = comps[comps.length - 1];
switch (ext.toLowerCase()) {
case 'css': return 'text/css';
case 'doctree': return 'application/x-doctree';
case 'eot': return 'application/vnd.ms-fontobject';
case 'gif': return 'image/gif';
case 'html': return 'text/html';
case 'js': return 'application/javascript';
case 'jpg': return 'image/jpeg';
case 'jpeg': return 'image/jpeg';
case 'md': return 'text/markdown';
case 'pickle': return 'application/x-pickle';
case 'png': return 'image/png';
case 'svg': return 'image/svg+xml';
case 'ttf': return 'application/x-font-ttf';
case 'txt': return 'text/plain';
case 'woff': return 'application/font-woff';
}
console.log('NO MIME', filename);
return undefined;
}
function start(root, options) {
if (root == null) { throw new Error("root required"); }
if (options == null) { options = { }; }
if (options.port == null) { options.port = 8000; }
root = path.resolve(root);
const server = http.createServer((req, resp) => {
// Follow redirects in options
if (options.redirects && options.redirects[req.url]) {
resp.writeHead(301, { Location: options.redirects[req.url] });
resp.end();
return;
}
let filename = path.resolve(root, "." + req.url);
// Make sure we aren't crawling out of our sandbox
if (req.url[0] !== "/" || filename.substring(0, filename.length) !== filename) {
resp.writeHead(403);
resp.end();
return;
}
try {
const stat = fs.statSync(filename);
if (stat.isDirectory()) {
// Redirect bare directory to its path (i.e. "/foo" => "/foo/")
if (req.url[req.url.length - 1] !== "/") {
resp.writeHead(301, { Location: req.url + "/" });
resp.end();
return;
}
filename += "/index.html";
}
const content = fs.readFileSync(filename);
resp.writeHead(200, {
"Content-Length": content.length,
"Content-Type": getMime(filename)
});
resp.end(content);
return;
} catch (error) {
if (error.code === "ENOENT") {
resp.writeHead(404, { });
resp.end();
return;
}
resp.writeHead(500, { });
resp.end();
return;
}
});
server.listen(options.port, () => {
console.log(`Listening on port: ${ options.port }`);
});
return server;
}
start(path.resolve(__dirname, "../../docs"), {
redirects: {
"/": "/v5/"
}
});

16
admin/cmds/set-config.js Normal file
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"use strict";
const { prompt } = require("../../packages/cli");
const config = require("../config");
if (process.argv.length !== 3) {
console.log("Usage: set-config KEY");
process.exit(1);
}
const key = process.argv[2];
(async function() {
const value = await prompt.getPassword("Value: ");
await config.set(key, value);
})();

37
admin/cmds/set-option.js Executable file
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const { setupBuild } = require("../build");
const { loadPackage, savePackage } = require("../local");
const arg = process.argv[2];
(async function() {
process.argv.slice(2).forEach((arg) => {
console.log("Setting Option:", arg);
switch(arg) {
case "esm":
setupBuild(true);
break;
case "cjs":
setupBuild(false);
break;
// This will remove the browser field entirely, so make sure
// to set esm of cjs first as they will restore the browser
// field
case "browser-lang-all": {
const info = loadPackage("wordlists");
delete info.browser;
savePackage("wordlists", info);
break;
}
default:
console.log("Unknown option:", arg);
return 1;
}
});
return 0;
})().then((result) => {
process.exit(result);
});

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admin/cmds/spell-check.js Normal file
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"use strict";
const { resolve } = require("path");
const fs = require("fs");
const Words = fs.readFileSync("/usr/share/dict/words").toString().split("\n").reduce((accum, word) => {
accum[word.toLowerCase()] = true;
return accum;
}, { });
`
// Words missing from the dictionary
accessing addresses aligned autofill called cancelled changed censored
compiled computed configured consumed creating decoded decoding
decrypt decrypted decrypting deployed deploying deprecated detected
discontinued earliest email enabled encoded encoding encrypt
encrypted encrypting entries euro exceeded existing expected
expired failed fetches formatted formatting funding generated
has ignoring implemented implementer imported including instantiate
keyword labelled larger lookup matches mined modified modifies multi
named needed nested neutered numeric offline optimizer overriding owned packed
padded parsed parsing passed placeholder processing properties reached
recommended recovered redacted remaining replaced required
serializes shared signed signing skipped stored supported tagging targetted
transactions uninstall unstake unsubscribe using verifies website
// Overly Specific Words
BIP BIP39 BIP44 crypto eip hashes hmac icap
keccak namehash ripemd RLP scrypt secp sha
blockhash
bitcoin ethereum finney gwei kwei mwei satoshi szabo wei weth
crowdsale hexlify hd hdnode underpriced
boolean int struct tuple uint
nonpayable
jumpdest mstore shr shl xor
// Classes
ABIEncoder testcase numberish Wordlist
// Common Code Strings
abi addr api app arg arrayify asm basex bigint bignumber bn byte
bytecode callback calldata checksum ciphertext cli codepoint config
contenthash ctr ctrl debug dd dklen eexist encseed eof ethaddr
ethseed ethers eval exec filename func gz hid http https hw iv
info init ipc json kdf kdfparams labelhash lang lib mm multihash nfc
nfkc nfd nfkd nodehash nullish oob opcode pbkdf pc plugin pragma pre prf
repl rpc sighash topichash solc stdin stdout subclasses subnode
timeout todo txt ufixed utc utf util url uuid vm vs websocket
wikipedia wx xe yyyy zlib
// AbiV2
abiv
// Query parameters
apikey asc endblock startblock
Cloudflare Etherscan INFURA IPFS MetaMask Nodesmith Trezor ledgerhq
axic bitcoinjs browserify easyseed ethereumjs
goerli homestead kotti kovan mainnet morden mordor rinkeby ropsten testnet
// Demo words
args foo eth foo foobar ll localhost passwd ricmoo tx xxx yna
// nameprep tags
ALCat BiDi LCat nameprep
// Lanauge Codes (and short binary data)
cn cz en es fr it ja tw zh zh_cn zh_tw
OYAa IJBEJqXZJ
`.split("\n").filter((l) => (l.substring(0, 2) != "/\/")).join("\n").split(/\s+/g,).forEach((word) => {
word = word.trim();
if (word === "") { return; }
Words[word.toLowerCase()] = true;
});
const ts = require("typescript");
function getStrings(source) {
const sourceFile = ts.createSourceFile("filename.ts", source);
const result = [ ];
function add(value, pos) {
const lineNo = sourceFile.getLineAndCharacterOfPosition(pos).line + 1;
result.push({ value, lineNo });
}
let lastClass = null, lastEnum = null;
function visit(node, depth) {
switch (node.kind) {
//case ts.SyntaxKind.TemplateExpression:
// if (node.head) { visit(node.head); }
// console.dir(node, { depth: null });
// break;
case ts.SyntaxKind.TemplateHead:
case ts.SyntaxKind.TemplateMiddle:
case ts.SyntaxKind.TemplateTail:
case ts.SyntaxKind.StringLiteral:
case ts.SyntaxKind.NoSubstitutionTemplateLiteral:
add(node.text, node.pos);
break;
}
ts.forEachChild(node, (node) => { return visit(node, depth + 1); });
}
visit(sourceFile, 0);
return result;
}
const Include = new RegExp("packages/.*/src.ts/.*\.ts$");
const Exclude = new RegExp("/node_modules/|src.ts/.*browser.*");
function getAllStrings(path) {
const Root = resolve(__dirname, path);
const readdir = function(path) {
if (path.match(Exclude)) { return [ ]; }
const stat = fs.statSync(path);
if (stat.isDirectory()) {
return fs.readdirSync(path).reduce((result, filename) => {
readdir(resolve(path, filename)).forEach((file) => {
result.push(file);
});
return result;
}, [ ]);
}
if (path.match(Include)) {
const source = fs.readFileSync(path).toString();
return [ { filename: path.substring(Root.length), values: getStrings(source) } ]
}
return [ ];
}
return readdir(Root);
}
function checkWord(word) {
word = word.toLowerCase();
// A word
if (Words[word]) { return true; }
// Simple Plural
if (word.match(/.*s$/) && Words[word.substring(0, word.length - 1)]) { return true; }
// Hex string
if (word.match(/^(0x)?[0-9a-f]*$/i)) { return true; }
}
function starts(text, prefix) {
return (text.substring(0, prefix.length) === prefix);
}
(async function() {
let count = 0;
getAllStrings(resolve(__dirname, "../../packages")).forEach((file) => {
if (starts(file.filename, "/testcases/src.ts/generation-scripts")) { return; }
if (starts(file.filename, "/asm/src.ts/opcodes.ts")) { return; }
file.values.forEach((entry) => {
function problem(word) {
count++;
console.log({
filename: file.filename,
word: JSON.stringify(word),
sentence: JSON.stringify(entry.value.substring(0, 80)),
line: entry.lineNo
});
}
const value = entry.value.trim();
// Emptry space
if (value === "") { return; }
// Prolly a require
if (value.match(/^@ethersproject\/[a-z0-9-]+$/)) { return; }
if (value.substring(0, 2) === "./") { return; }
// Prolly encoded binary data
if (value.indexOf(" ") === -1 && value.length > 20) { return; }
if (checkWord(value)) { return; }
value.replace(/([a-z+])([A-Z])/g, (all, first, secondLetter) => {
return first + " " + secondLetter;
}).replace(/((?:0x)?[A-Za-z]+)/gi, (all, word) => {
if (checkWord(word)) { return; }
problem(word);
return "";
});;
});
});
if (count) {
console.log(`Found ${ count } typos.`);
process.exit(1)
}
process.exit(0)
})();

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"use stricT";
const depgraph = require("../depgraph");
const { log } = require("../log");
const { loadJson, resolve, saveJson } = require("../utils");
(async function() {
log(`<bold:Updating dependency-graph build order (tsconfig.project.json)...>`);
let ordered = depgraph.getOrdered(true);
let path = resolve("tsconfig.project.json")
let projectConfig = loadJson(path);
projectConfig.references = ordered.map((name) => ({ path: ("./packages/" + name) }));
saveJson(path, projectConfig);
})();

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"use strict";
const fs = require("fs");
const { resolve } = require("path");
const sourceEthers = fs.readFileSync(resolve(__dirname, "../../packages/ethers/src.ts/ethers.ts")).toString();
const targets = sourceEthers.match(/export\s*{\s*((.|\s)*)}/)[1].trim();
const output = `"use strict";
// To modify this file, you must update ./admin/cmds/update-exports.js
import * as ethers from "./ethers";
try {
const anyGlobal = (window as any);
if (anyGlobal._ethers == null) {
anyGlobal._ethers = ethers;
}
} catch (error) { }
export { ethers };
export {
${ targets }
} from "./ethers";
`;
fs.writeFileSync(resolve(__dirname, "../../packages/ethers/src.ts/index.ts"), output);

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"use strict";
// Expected this to be run after
// - npm run clean
// - npm run bootstrap
// - npm run build
const fs = require("fs");
const semver = require("semver");
const { runBuild, runDist } = require("../build");
const { ChangelogPath, generate } = require("../changelog");
const { getOrdered, loadPackage } = require("../depgraph");
const { getDiff, getStatus, getGitTag } = require("../git");
const { updatePackage } = require("../local");
const { getPackageVersion } = require("../npm");
const { resolve } = require("../utils");
const { colorify, log } = require("../log");
const { prompt } = require("../../packages/cli");
let dirnames = getOrdered();
// Only publish specific packages
if (process.argv.length > 2) {
let filter = process.argv.slice(2);
// Verify all named packages exist
filter.forEach((dirname) => {
try {
loadPackage(dirname);
} catch (error) {
console.log("Package not found: " + dirname);
process.exit(1);
}
});
// Filter out pacakges we don't care about
dirnames = dirnames.filter((dirname) => (filter.indexOf(dirname) >= 0));
}
(async function() {
let progress = prompt.getProgressBar(colorify("Updating versions", "bold"));
for (let i = 0; i < dirnames.length; i++) {
progress(i / dirnames.length);
let dirname = dirnames[i];
let path = resolve("packages", dirname);
// Get local package.json (update the tarballHash)
let info = await updatePackage(dirname);
// Get the remote package.json (or sub in a placeholder for new pacakges)
let npmInfo = await getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { version: "NEW" }; }
if (info.tarballHash === npmInfo.tarballHash) { continue; }
// Bump the version if necessary
if (info.version === npmInfo.version) {
let newVersion = semver.inc(info.version, "patch");
// Write out the _version.ts
if (!info._ethers_nobuild) {
let code = "export const version = " + JSON.stringify(dirname + "/" + newVersion) + ";\n";
fs.writeFileSync(resolve(path, "src.ts/_version.ts"), code);
}
// Update the package.json (we do this after _version, so if we fail,
// this remains old; which is what triggers the version bump)
info = await updatePackage(dirname, { version: newVersion });
}
}
progress(1);
try {
log("<bold:Building TypeScript source (es6)...>");
await runBuild(true);
log("<bold:Building TypeScript source (commonjs)...>");
await runBuild(false);
log("<bold:Building distribution files...>");
let content = await runDist();
console.log(content);
} catch (error) {
console.log(error);
log("<red:Aborting.>");
return;
}
// Update the tarball hash now that _version and package.json may have changed.
progress = prompt.getProgressBar(colorify("Updating tarballHash", "bold"));
for (let i = 0; i < dirnames.length; i++) {
progress(i / dirnames.length);
await updatePackage(dirnames[i]);
}
progress(1);
// Show the changed files (compared to npm)
for (let i = 0; i < dirnames.length; i++) {
let dirname = dirnames[i];
// Get local package.json
let info = await loadPackage(dirname);
let path = resolve("packages/", dirname);
// Get the remote package.json (or sub in a placeholder for new pacakges)
let npmInfo = await getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { version: "NEW" }; }
// No change
if (info.tarballHash === npmInfo.tarballHash) { continue; }
let gitHead = await getGitTag(path);
log(`<bold:Package>: ${info.name}`);
log(` <green:Tarball Changed:> (bumping version)`);
log(` ${npmInfo.version} => ${info.version}`)
log(` <blue:Changed:>`);
let filenames = await getDiff(path, npmInfo.gitHead, true);
filenames.forEach((filename) => {
let short = filename.split("/").slice(1).join("/");
if (short.indexOf("/src.ts/") >= 0 || short.indexOf("/dist/") >= 0) {
log(` <bold:${short}>`);
} else {
log(` ${short}`);
}
});
log("");
}
let existing = fs.readFileSync(ChangelogPath).toString();
let changelog = await generate();
if (existing !== changelog) {
let changelogStatus = await getStatus(ChangelogPath);
if (changelogStatus !== "unmodified") {
log("<bold:WARNING:> There are local changes to the CHANGELOG (they will be discarded)");
console.log(existing);
}
log("<bold:Updating CHANGELOG>...");
fs.writeFileSync(ChangelogPath, changelog);
}
})();

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"use strict";
const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const AWS = require('aws-sdk');
const config = require("../config");
const Bucket = "docs.ethers.io";
function _getKeys(s3, result, nextToken, callback) {
const params = {
Bucket: Bucket,
MaxKeys: 1000,
ContinuationToken: nextToken,
};
s3.listObjectsV2(params, function(error, data) {
if (error) {
console.log(error);
callback(error);
return;
}
data.Contents.forEach(function(item) {
result[item.Key] = item.ETag.replace(/"/g,'');
});
callback(null, data.IsTruncated ? data.NextContinuationToken: null);
});
}
function getKeys(s3) {
const result = {};
return new Promise(function(resolve, reject) {
function handleBlock(error, nextToken) {
if (error) {
reject(error);
} else if (nextToken) {
nextBlock(nextToken);
} else {
resolve(result);
}
}
function nextBlock(nextToken) {
_getKeys(s3, result, nextToken, handleBlock);
}
nextBlock(undefined);
});
}
function getMime(filename) {
const comps = filename.split('.');
const ext = comps[comps.length - 1];
switch (ext.toLowerCase()) {
case 'css': return 'text/css';
case 'doctree': return 'application/x-doctree';
case 'eot': return 'application/vnd.ms-fontobject';
case 'gif': return 'image/gif';
case 'html': return 'text/html';
case 'js': return 'application/javascript';
case 'jpg': return 'image/jpeg';
case 'jpeg': return 'image/jpeg';
case 'md': return 'text/markdown';
case 'pickle': return 'application/x-pickle';
case 'png': return 'image/png';
case 'svg': return 'image/svg+xml';
case 'ttf': return 'application/x-font-ttf';
case 'txt': return 'text/plain';
case 'woff': return 'application/font-woff';
}
console.log('NO MIME', filename);
return undefined;
}
function putObject(s3, name, content) {
return new Promise(function(resolve, reject) {
s3.putObject({
ACL: 'public-read',
Body: content,
Bucket: Bucket,
ContentType: getMime(name),
Key: name
}, function(error, data) {
if (error) {
reject(error);
} else {
console.log(" Done.")
resolve({
name: name,
hash: data.ETag.replace(/"/g, '')
});
}
});
});
}
function hash(filename) {
const hasher = crypto.createHash('md5');
hasher.update(fs.readFileSync(filename));
return hasher.digest().toString('hex');
}
function _getFiles(result, root) {
fs.readdirSync(root).forEach(function(filename) {
// We don't need to upload junk
if (filename === '.DS_Store') { return; }
const fullFilename = path.join(root, filename)
const stat = fs.statSync(fullFilename);
if (stat.isDirectory()) {
_getFiles(result, fullFilename);
} else {
result[fullFilename] = hash(fullFilename);
}
});
}
function getFiles(basedir) {
// Make sure we have a trailing slash
if (!basedir.match(/\/$/)) { basedir += "/"; }
// Fetch all the file hashes
const hashes = { };
_getFiles(hashes, basedir);
return Object.keys(hashes).reduce((accum, key) => {
accum[key.substring(basedir.length)] = hashes[key];
return accum;
}, { });
}
(async function() {
const awsAccessId = await config.get("aws-upload-docs-accesskey");
const awsSecretKey = await config.get("aws-upload-docs-secretkey");
const s3 = new AWS.S3({
apiVersion: '2006-03-01',
accessKeyId: awsAccessId,
secretAccessKey: awsSecretKey
});
const added = [], removed = [], changed = [], upload = [];
const basedir = path.resolve(__dirname, "../../docs");
const local = await getFiles(basedir);
const remote = await getKeys(s3);
Object.keys(local).forEach((filename) => {
if (!remote[filename]) {
added.push(filename);
upload.push(filename);
} else if (remote[filename] != local[filename]) {
changed.push(filename);
upload.push(filename);
}
});
Object.keys(remote).forEach((filename) => {
if (!local[filename]) {
removed.push(filename);
} else if (!local[filename] && remote[filename] != local[filename]) {
changed.push(filename);
upload.push(filename);
}
});
console.log('Added: ', added.length);
console.log('Removed: ', removed.length);
console.log('Changed: ', changed.length);
for (let i = 0; i < upload.length; i++) {
const filename = upload[i];
const content = fs.readFileSync(path.resolve(basedir, filename));
console.log(`Uploading: ${ filename } (${ content.length } bytes)`);
await putObject(s3, filename, content);
}
})();

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"use strict";
const fs = require("fs");
const os = require("os");
const resolve = require("path").resolve;
const AES = require("aes-js");
const scrypt = require("scrypt-js");
const { prompt } = require("../packages/cli");
const randomBytes = require("../packages/random").randomBytes;
const computeHmac = require("../packages/sha2").computeHmac;
const colorify = require("./log").colorify;
function getScrypt(message, password, salt) {
let progressBar = prompt.getProgressBar(message);
return scrypt.scrypt(Buffer.from(password), Buffer.from(salt), (1 << 17), 8, 1, 64, progressBar);
}
function Config(filename) {
this.salt = null;
this.dkey = null;
this.values = { };
this.canary = "";
this.filename = filename;
}
Config.prototype.load = async function() {
if (this.dkey) { return; }
let data = null;
if (fs.existsSync(this.filename)) {
data = JSON.parse(fs.readFileSync(this.filename));
} else {
data = {
salt: Buffer.from(randomBytes(32)).toString("hex")
};
}
this.canary = data.canary || "";
this.salt = data.salt;
const password = await prompt.getPassword(colorify("Password (config-store): ", "bold"));
this.dkey = await getScrypt(colorify("Unlocking config", "bold"), password, this.salt);
if (data.ciphertext) {
const ciphertext = Buffer.from(data.ciphertext, "base64");
const iv = Buffer.from(data.iv, "base64");
const aes = new AES.ModeOfOperation.ctr(this.dkey.slice(0, 32), new AES.Counter(iv));
const plaintext = aes.decrypt(ciphertext);
const hmac = computeHmac("sha512", this.dkey.slice(32, 64), plaintext);
if (hmac !== data.hmac) {
throw new Error("wrong password");
}
this.values = JSON.parse(Buffer.from(plaintext).toString());
}
};
Config.prototype.keys = async function() {
await this.load();
return Object.keys(this.values);
}
Config.prototype.save = function() {
this.values._junk = Buffer.from(randomBytes(16 + parseInt(Math.random() * 48))).toString("base64")
const plaintext = Buffer.from(JSON.stringify(this.values));
const iv = Buffer.from(randomBytes(16));
const hmac = computeHmac("sha512", this.dkey.slice(32, 64), plaintext);
const aes = new AES.ModeOfOperation.ctr(this.dkey.slice(0, 32), new AES.Counter(iv));
const ciphertext = Buffer.from(aes.encrypt(plaintext));
const data = {
ciphertext: ciphertext.toString("base64"),
iv: iv.toString("base64"),
salt: this.salt,
hmac: hmac,
canary: this.canary
};
fs.writeFileSync(this.filename, JSON.stringify(data, null, 2));
}
Config.prototype.get = async function(key) {
await this.load();
return this.values[key];
};
Config.prototype.set = async function(key, value) {
await this.load();
this.values[key] = value;
this.save();
};
Config.prototype.lock = function() {
this.salt = this.dkey = null;
}
const config = new Config(resolve(os.homedir(), ".ethers-dist"));
module.exports = {
get: function(key) {
return config.get(key);
},
set: function(key, value) {
config.set(key, value);
},
keys: function() {
return config.keys();
},
lock: function() {
config.lock();
}
}

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"use strict";
const fs = require("fs");
const { loadJson, resolve } = require("./utils");
const ROOT = resolve("packages");
const dirnames = fs.readdirSync(ROOT);
function loadPackage(dirname) {
return loadJson(resolve("packages", dirname, "package.json"));
}
function getOrdered(skipNobuild) {
let packages = { };
let filenames = { };
let addDeps = (name, depends) => {
Object.keys(depends).forEach((dep) => {
// Not a package we manage
if (packages[dep] == null) { return; }
deps[name][dep] = true;
});
}
for (let i = 0; i < dirnames.length; i++) {
let dirname = dirnames[i];
let info = loadPackage(dirname);
if (skipNobuild && info._ethers_nobuild) { continue; }
packages[info.name] = info;
filenames[info.name] = dirname;
}
// Maps names to list of dependencies; { [ name:string]: Array<name: string> }
let deps = { };
let depGraph = { };
Object.keys(packages).forEach((name) => {
let info = packages[name];
deps[info.name] = { };
addDeps(info.name, info.dependencies || { });
addDeps(info.name, info.devDependencies || { });
deps[info.name] = Object.keys(deps[info.name]);
deps[info.name].sort();
});
let ordered = [ ];
let remaining = Object.keys(deps);
let isSatisfied = (name) => {
for (let i = 0; i < deps[name].length; i++) {
if (ordered.indexOf(deps[name][i]) === -1) { return false; }
}
return true;
}
while (remaining.length) {
let bail = true;
for (let i = 0; i < remaining.length; i++) {
if (!isSatisfied(remaining[i])) { continue; }
bail = false;
ordered.push(remaining[i]);
remaining.splice(i, 1);
break;
}
if (bail) {
throw new Error("Nothing processed; circular dependencies...");
}
}
return ordered.map((name) => filenames[name]);
}
function sort(dirnames) {
let ordered = getOrdered();
dirnames.sort((a, b) => {
let ai = ordered.indexOf(local.loadPackage(a).name);
let bi = ordered.indexOf(local.loadPackage(b).name);
if (ai === -1 || bi === -1) {
throw new Error("unknown dirname - " + [a, b].join(", "));
}
return ai - bi;
});
}
module.exports = {
dirnames: dirnames,
getOrdered: getOrdered,
loadPackage: loadPackage,
ROOT: ROOT,
sort: sort
}

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"use strict";
const resolve = require("path").resolve;
const spawn = require("child_process").spawn;
const semver = require("semver");
const { run } = require("./build");
const { loadPackage } = require("./local");
function git(args) {
return run("git", args);
}
function getStatus(filename) {
return git([ "status", "-s", resolve(__dirname, "..", filename) ]).then((result) => {
result = result.trim();
if (result === "") { return "unmodified"; }
switch (result.substring(0, 2)) {
case 'M ': return "modified";
case 'A ': return "added";
case 'D ': return "deleted";
case 'R ': return "renamed";
case 'C ': return "copied";
case 'U ': return "updated";
case '??': return "untracked";
}
console.log(result);
return "unknown";
});
}
async function getChanges(latest) {
let diff = await git(["diff", "--name-only", latest ]);
// Map dirname => { dist: [ ], src: [ ] }
let changes = { "_": { filename: "_", dist: [], src: [] } };
diff.split("\n").forEach((line) => {
// e.g. packages/constants/index.d.ts
let comps = line.trim().split("/");
// Track non-packages as dist
if (comps.length < 2 || comps[0] !== "packages") {
let filename = comps.join("/").trim();
if (filename === "") { return; }
changes._.dist.push(filename);
return;
}
let name = loadPackage(comps[1]).name;
let change = changes[name];
if (!change) {
change = { filename: comps[1], dist: [ ], src: [ ] }
changes[name] = change;
}
// Split changes into source changes (src.ts/) or dist changes (output of TypeScript)
if (comps[2] === "src.ts") {
change.src.push(comps.join("/"));
} else {
change.dist.push(comps.join("/"));
}
});
return changes;
}
function getLatestTag() {
let seq = Promise.resolve();
// @TODO: Pull
if (false) {
seq = seq.then(() => {
console.log("Pulling remote changes...");
return git([ "pull" ]);
});
}
seq = seq.then(() => {
return git([ "tag" ]).then((tags) => {
tags = tags.split("\n").filter(tag => (tag.match(/^v[0-9]+\.[0-9]+\.[0-9]+\-/)));
tags.sort(semver.compare)
return tags.pop();
});
});
return seq;
}
function findChanges(latest) {
let seq = Promise.resolve();
seq = seq.then(() => {
return git(["diff", "--name-only", latest, "HEAD" ]).then((result) => {
let filenames = { };
result.split("\n").forEach((line) => {
// e.g. packages/constants/index.d.ts
let comps = line.trim().split("/");
if (comps.length < 2) { return; }
filenames[comps[1]] = true;
});
return Object.keys(filenames);
});
});
seq = seq.then((filenames) => {
return filenames.map((filename) => {
let name = packages[filename].name;
return {
filename: filename,
name: name,
localVersion: getLocalVersion(name),
}
});
});
seq = seq.then((packages) => {
let seq = Promise.resolve();
packages.forEach((p) => {
seq = seq.then(() => {
return getNpmVersion(p.name).then((version) => {
p.npmVersion = version;
});
});
});
return seq.then(() => packages);
});
return seq;
}
async function getGitTag(filename) {
let result = await git([ "log", "-n", "1", "--", filename ]);
result = result.trim();
if (!result) { return null; }
result = result.match(/^commit\s+([0-9a-f]{40})\n/i);
if (!result) { return null; }
return result[1];
}
async function getDiff(filename, tag, nameOnly) {
if (tag == null) { tag = "HEAD"; }
let cmd = [ "diff", "--name-only", tag, "--", filename ]
if (!nameOnly) { cmd.splice(1, 1); }
try {
let result = await git(cmd);
result = result.trim();
if (result === "") { return [ ]; }
return result.split("\n");
} catch (error) {
// This tag does not exist, so compare against beginning of time
// This happens when there is a new history (like an orphan branch)
if (error.stderr.trim().match(/^fatal: bad object/)) {
console.log("Could not find history; showing all");
let cmd = [ "rev-list", "--max-parents=0", "HEAD" ];
let tag = await git(cmd);
return getDiff(filename, tag.trim(), nameOnly);
}
throw error;
}
}
async function getUntracked(filename) {
let cmd = [ "ls-files", "-o", "--exclude-standard"];
if (filename) {
cmd.push("--");
cmd.push(filename);
}
let result = await git(cmd);
result = result.trim();
if (result === "") { return [ ]; }
return result.split("\n");
}
module.exports = {
findChanges: findChanges,
getChanges: getChanges,
getDiff: getDiff,
getGitTag: getGitTag,
getLatestTag: getLatestTag,
getStatus: getStatus,
getUntracked: getUntracked,
run: git,
}

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"use strict";
const fs = require("fs");
const { resolve } = require("path");
const zlib = require("zlib");
const { id } = require("../packages/hash");
const { fetchJson } = require("../packages/web");
const CacheDir = resolve(__dirname, "../github-cache/");
function addResponse(result, response) {
return { result, response };
}
function loadFile(filename) {
return JSON.parse(zlib.gunzipSync(fs.readFileSync(filename)).toString());
//return JSON.parse(fs.readFileSync(filename).toString());
}
// @TODO: atomic
function saveFile(filename, content) {
fs.writeFileSync(filename, zlib.gzipSync(JSON.stringify(content)));
//fs.writeFileSync(filename, JSON.stringify(content));
}
function mockFetchJson(url, body, headers) {
return {
result: null,
response: {
statusCode: 304
}
}
}
async function _fetchGitHub(user, password, fetchJson, url) {
const result = [ ];
while (true) {
const filename = resolve(CacheDir, id(url).substring(2, 14));
const headers = {
"User-Agent": "ethers-io",
};
let items = null;
let link = null;
try {
const data = loadFile(filename);
headers["if-none-match"] = data.etag;
items = data.items;
link = data.link;
} catch (error) {
if (error.code !== "ENOENT") { throw error; }
}
const fetch = await fetchJson({
url: url,
user: user,
password: password,
headers: headers
}, null, addResponse);
// Cached response is good; use it!
if (fetch.response.statusCode !== 304) {
items = fetch.result;
if (fetch.response.headers) {
link = (fetch.response.headers.link || null);
}
if (fetch.response.headers.etag){
saveFile(filename, {
timestamp: (new Date()).getTime(),
url: url,
link: link,
etag: fetch.response.headers.etag,
items: items,
version: 1
});
}
}
items.forEach((item) => { result.push(item)});
url = null;
(link || "").split(",").forEach((item) => {
if (item.indexOf('rel="next"') >= 0) {
const match = item.match(/<([^>]*)>/);
if (match) { url = match[1]; }
}
});
if (!url) { break; }
}
return result;
}
async function fetchGitHub(user, password, url, cacheOnly) {
if (cacheOnly) {
return await _fetchGitHub("none", "none", mockFetchJson, url);
}
const results = await _fetchGitHub(user, password, fetchJson, url);
return results;
}
async function _getIssues(user, password) {
const cacheOnly = (user == null);
let issues = await fetchGitHub(user, password, "https:/\/api.github.com/repos/ethers-io/ethers.js/issues?state=all&per_page=100", cacheOnly)
if (!cacheOnly) { console.log(`Found ${ issues.length } issues`); }
const result = [ ];
for (let i = 0; i < issues.length; i++) {
const issue = issues[i];
let comments = await fetchGitHub(user, password, issue.comments_url, cacheOnly);
result.push({ issue, comments});
if (!cacheOnly) { console.log(` Issue ${ issue.number }: ${ comments.length } comments`); }
}
result.sort((a, b) => (a.issue.number - b.issue.number));
return result;
}
function getIssues() {
return _getIssues();
}
function syncIssues(user, password) {
return _getIssues(user, password);
}
async function createRelease(user, password, tagName, title, body, prerelease, commit) {
const payload = {
tag_name: tagName,
target_commitish: (commit || "master"),
name: title,
body: body,
//draft: true,
draft: false,
prerelease: !!prerelease
};
const headers = {
"User-Agent": "ethers-io",
};
const result = await fetchJson({
url: "https://api.github.com/repos/ethers-io/ethers.js/releases",
user: user,
password: password,
headers: headers
}, JSON.stringify(payload));
return result.html_url;
}
module.exports = {
getIssues,
syncIssues,
createRelease,
}

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"use strict";
const fs = require("fs");
const resolve = require("path").resolve;
const diff = require("diff");
const semver = require("semver");
const { prompt } = require("../packages/cli");
const build = require("./build");
const changelog = require("./changelog");
const depgraph = require("./depgraph");
const { colorify, colorifyStatus, log } = require("./log");
const config = require("./config")
const git = require("./git");
const local = require("./local");
const npm = require("./npm");
const utils = require("./utils");
/*
async function runChanged(dirnames, callback) {
try {
await callback(dirname, info, npmInfo);
} catch (error) {
console.log(error);
console.log(colorify("Aborting! " + error.message));
return;
}
}
}
}
*/
/*
if (diff) {
} else {
*/
async function runDiff(dirnames) {
// Default to all packages
if (dirnames == null || dirnames.length === 0) { dirnames = local.dirnames; }
for (let i = 0; i < dirnames.length; i++) {
let dirname = dirnames[i];
// Get local (update the tarballHash) and remote package.json
let info = await local.loadPackage(dirname);
let npmInfo = await npm.getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { gitHead: "HEAD", version: "NEW" }; }
let delta = await git.getDiff(resolve(__dirname, "../packages", dirname), npmInfo.gitHead);
if (delta.length === 0) { continue; }
// Bump the version if necessary
if (info.version === npmInfo.version) {
info.version = semver.inc(info.version, "patch");
}
console.log(colorify("<bold:Package>: ") + info.name);
console.log(colorify(" <green:Git Head Changed:> (run update to bump version)"));
console.log(" " + npmInfo.gitHead)
console.log(" " + npmInfo.version + colorify(" => ", "bold") + info.version)
console.log(colorify(" Diff", "bold"));
delta.forEach((line) => {
let color = "blue";
switch (line.substring(0, 1)) {
case '+':
color = "green";
break;
case '-':
color = "red";
break;
case ' ':
color = "normal";
break;
}
console.log(" " + colorify(line, color));
});
console.log("");
}
console.log("");
}
async function updateChangelog() {
let filename = resolve(local.ROOT, "../CHANGELOG.md");
let lastVersion = await git.getLatestTag();
let newVersion = "v" + local.getVersion("ethers");
let current = fs.readFileSync(filename).toString();
let log = await changelog.generate();
if (log === current) { return; }
let changes = diff.createTwoFilesPatch("CHANGELOG-old.md", "CHANGELOG.md", current, log, lastVersion, newVersion);
console.log(changes);
try {
let response = await prompt.getChoice(colorify("Accept changes?", "bold"), "yn", "n");
if (response === "n") { throw new Error("Not changing."); }
} catch (error) {
console.log("Abort: " + error.message);
return;
}
fs.writeFileSync(filename, log);
}
// Updates the dependency-graph (tsconfig.project.json) so the build order is correct
async function runUpdateDepgraph() {
log(`<bold:Updating dependency-graph build order (tsconfig.project.json)...>`);
let ordered = depgraph.getOrdered();
let path = resolve(local.ROOT, "../tsconfig.project.json")
let projectConfig = local.loadJson(path);
projectConfig.references = ordered.map((name) => ({ path: ("./packages/" + name) }));
local.saveJson(path, projectConfig);
}
async function runUpdate(dirnames) {
// Check for untracked files...
let untracked = [ ];
if (dirnames == null || dirnames.length === 0) {
dirnames = local.dirnames;
let filenames = await git.getUntracked(resolve(__dirname, ".."));
for (let i = 0; i < filenames.length; i++) {
untracked.push(filenames[i]);
}
} else {
for (let i = 0; i < dirnames.length; i++) {
let filenames = await git.getUntracked(resolve(local.ROOT, dirnames[i]));
for (let j = 0; j < filenames.length; j++) {
untracked.push(filenames[j]);
}
}
}
// Untracked files! Abort.
if (untracked.length) {
log("<bold:Untracked Files:>");
untracked.forEach((filename) => {
console.log(" " + filename);
});
log("<red:Aborting.>");
return;
}
log(`<bold:Run TypeScript build...>`);
await build.runBuild()
log("");
// @TODO: Root
// Update all the package.json and _version.ts
let progress = prompt.getProgressBar(colorify("Updating versions", "bold"));
for (let i = 0; i < dirnames.length; i++) {
progress(i / dirnames.length);
let dirname = dirnames[i];
let path = resolve(__dirname, "../packages/", dirname);
// Get local package.json (update the tarballHash)
let info = await local.updatePackage(dirname);
// Get the remote package.json (or sub in a placeholder for new pacakges)
let npmInfo = await npm.getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { version: "NEW" }; }
if (info.tarballHash === npmInfo.tarballHash) { continue; }
// Bump the version if necessary
if (info.version === npmInfo.version) {
let newVersion = semver.inc(info.version, "patch");
// Write out the _version.ts
if (!info._ethers_skipPrepare) {
let code = "export const version = " + JSON.stringify(newVersion) + ";\n";
fs.writeFileSync(resolve(path, "src.ts/_version.ts"), code);
}
// Update the package.json (we do this after _version, so if we fail,
// this remains old; which is what triggers the version bump)
info = await local.updatePackage(dirname, { version: newVersion });
}
}
progress(1);
// Build the TypeScript sources
log("<bold:Runing TypeScript build...>");
try {
await build.runTsc();
} catch (error) {
console.log(error);
log("<red:Aborting.>");
return;
}
// Run the dist
// @TODO:
// Update the tarball hash now that _version and package.json may have changed.
progress = prompt.getProgressBar(colorify("Updating tarballHash", "bold"));
for (let i = 0; i < dirnames.length; i++) {
progress(i / dirnames.length);
await local.updatePackage(dirnames[i]);
}
progress(1);
// Show the changed files (compared to npm)
for (let i = 0; i < dirnames.length; i++) {
let dirname = dirnames[i];
// Get local package.json
let info = await local.loadPackage(dirname);
let path = resolve(__dirname, "../packages/", dirname);
// Get the remote package.json (or sub in a placeholder for new pacakges)
let npmInfo = await npm.getPackageVersion(info.name);
if (!npmInfo) { npmInfo = { version: "NEW" }; }
// No change
if (info.tarballHash === npmInfo.tarballHash) { continue; }
let gitHead = await git.getGitTag(path);
log(`<bold:Package>: ${info.name}`);
log(` <green:Tarball Changed:> (bumping version)`);
log(` ${npmInfo.version} => ${info.version}`)
log(` <blue:Changed:>`);
let filenames = await git.getDiff(resolve(__dirname, "../packages", dirname), npmInfo.gitHead, true);
filenames.forEach((filename) => {
let short = filename.split("/").slice(1).join("/");
if (short.indexOf("/src.ts/") >= 0) {
log(` <bold:${short}>`);
} else {
log(` ${short}`);
}
});
log("");
}
// @TODO: Changelog
await updateChangelog();
}
async function runAdd(type, names) {
let latest = await git.getLatestTag();
console.log("");
console.log(colorify("<bold:Latest Published>: ") + latest);
console.log("");
let changes = await git.getChanges("HEAD");
if (!names || names.length === 0) {
names = Object.keys(changes);
}
let filenames = [ ];
for (let i = 0; i < names.length; i++) {
let name = names[i];
let change = changes[name] || changes[(packages[name] || {}).name];
if (!change) { return; }
change[type].forEach((filename) => {
filenames.push(filename);
});
}
if (filenames.length === 0) {
console.log(colorify("<bold:Nothing to add.>"));
console.log("");
return;
}
for (let i = 0; i < filenames.length; i++) {
let filename = filenames[i];
let status = await git.getStatus(filename);
console.log(" " + colorifyStatus(status) + ": " + utils.repeat(" ", 10 - status.length) + filename);
}
console.log("");
try {
let response = await prompt.getChoice(colorify("Add these files?", "bold"), "yn", "n");
if (response === "n") { throw new Error("Not adding."); }
} catch (error) {
console.log("Abort: " + error.message);
return;
}
let params = filenames.map((f) => f); //resolve(ROOT, f));
params.unshift("--");
params.unshift("add");
console.log("git " + params.join(" "));
try {
await git.run(params);
} catch (error) {
console.log("Error: (status: " + error.code + ")");
console.log(" " + error.stderr);
return;
}
console.log("Added.");
}
function runDist() {
// Run npm dist
// Generate changelog
// run status to update all the package
// add dist files?
}
async function runPublish(dirnames) {
// @TODO: Make sure there are no staged files
// @TODO: Make sure the repo has been pushed
// @TODO: Run the publish in the correct order
// Get the authentication token from our encrypted store
let token = await config.get("token");
token = token.trim().split("=");
let options = {
npmVersion: "ethers-dist@0.0.0",
tag: "next"
};
// Set the authentication token
options[token[0]] = token[1];
if (dirnames == null || dirnames.length === 0) { dirnames = local.dirnames; }
depgraph.sort(dirnames);
await runChanged(dirnames, async (dirname, info, npmInfo) => {
console.log(colorify("<bold:Publishing:> ") + info.name + "...")
console.log(colorify(" Version: ", "blue") + npmInfo.version + colorify(" => ", "bold") + info.version);
let success = await npm.publish(dirname, options);
if (!success) {
console.log(colorify(" <red:FAILED! Aborting.>"));
throw new Error("");
}
console.log(colorify(" <green:Done.>"));
});
}
async function runTest() {
let r = await git([ "tag", "--porcelain", "-a", "-m", "Title of Release\n\nHello\n-----\n\nTesting 4 **bold** #1\nHello World", "test6", "HEAD" ]);
console.log(r);
try {
r = await git([ "push", "--tags" ])
} catch(e) { console.log(e); }
console.log(r);
}
(function() {
let args = process.argv.slice(2);
switch (args[0]) {
// Compare published to current stage
case "diff":
return runDiff(args.slice(1));
// Add unchecked-in source files
case "add-source":
return runAdd("src", args.slice(1));
// Update all package.json. the changelog and dist files
case "update":
return runUpdate(args.slice(1));
// Update dependency graph (./tsconfig-project.json)
case "update-depgraph":
return runUpdateDepgraph();
// Add unchecked-in dist files
case "add-dist":
return runAdd("dist", args.slice(1));
// Add unchecked-in source files
case "changelog":
return updateChangelog();
// Add unchecked-in source files
case "publish":
return runPublish(args.slice(1));
case "test":
return runTest();
}
})();

101
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"use strict";
const packlist = require("npm-packlist");
const tar = require("tar");
const keccak256 = (function() {
try {
return require("../packages/keccak256").keccak256;
} catch (error) {
console.log("Cannot load Keccak256 (maybe not built yet? Not really a problem for most things)");
return null;
}
})();
const { dirnames, loadPackage, ROOT } = require("./depgraph");
const { resolve, saveJson } = require("./utils");
function sorted(obj) {
if (Array.isArray(obj)) { return obj.map(sorted); }
if (obj == null || typeof(obj) !== "object") { return obj; }
const keys = Object.keys(obj);
keys.sort();
const result = { };
keys.forEach((key) => { result[key] = sorted(obj[key]); });
return result;
}
function savePackage(dirname, info) {
return saveJson(resolve(ROOT, dirname, "package.json"), sorted(info));
}
async function createTarball(dirname) {
let base = resolve(ROOT, dirname);
// From NPM publish, create the packed version
let files = await packlist({ path: base });
files = files.map((f) => ("./" + f));
let options = {
cwd: base,
prefix: 'package/',
portable: true,
sync: true,
// Provide a specific date in the 1980s for the benefit of zip,
// which is confounded by files dated at the Unix epoch 0.
mtime: new Date('1985-10-26T08:15:00.000Z'),
gzip: true
};
// Take the hash of the package sans
return tar.create(options, files).read();
}
async function updatePackage(dirname, values) {
let info = loadPackage(dirname);
if (values) {
for (let key in values) {
info[key] = values[key];
}
}
/*
["dependencies", "devDependencies"].forEach((key) => {
let deps = info[key] || [];
for (let name in deps) {
if (name.substring(0, "@ethersproject".length) === "@ethersproject" || name === "ethers") {
deps[name] = ">5.0.0-beta.0";
}
}
});
*/
//if (dirname !== "ethers") {
// delete info.publishConfig.tag;
//}
// Create a normalized version sans tarballHash to compute the tarballHash
delete info.tarballHash;
savePackage(dirname, info);
// Compute the tarballHash
let tarball = await createTarball(dirname);
info.tarballHash = keccak256(tarball);
// Save the updated package.json to disk
savePackage(dirname, info);
return info;
}
module.exports = {
ROOT: ROOT,
createTarball: createTarball,
dirnames: dirnames,
getVersion: function(dirname) { return ((loadPackage(dirname) || {}).version || null); },
loadPackage: loadPackage,
savePackage: savePackage,
updatePackage: updatePackage,
}

53
admin/log.js Normal file
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"use strict";
function getColor(color) {
if (!color || color === "normal") { return "\x1b[0m"; }
return "\x1b[1m" + ({
blue: "\x1b[34m",
cyan: "\x1b[36m",
green: "\x1b[32m",
magenta: "\x1b[35m",
red: "\x1b[31m",
yellow: "\x1b[33m",
bold: ""
})[color];
}
// See: https://stackoverflow.com/questions/9781218/how-to-change-node-jss-console-font-color
let disableColor = !(process.stdout.isTTY);
function colorify(message, color) {
if (color) {
if (disableColor) { return message; }
return getColor(color) + message + getColor();
}
return message.replace(/<([^:]*):((?:[^<>\\]|\\.)*)>/g, (all, color, message) => {
message = message.replace("\\>", ">");
if (disableColor) { return message; }
return getColor(color) + message + getColor();
});
}
function colorifyStatus(status) {
switch (status) {
case "modified": return colorify("<blue:" + status + ">");
case "added": return colorify("<green:" + status + ">");
case "deleted": return colorify("<red:" + status + ">");
case "unmodified": return colorify("<magenta:" + status + ">");
}
return status;
}
function log(message, color) {
if (color) {
console.log(colorify(message, color));
} else {
console.log(colorify(message));
}
}
module.exports = {
colorify: colorify,
colorifyStatus: colorifyStatus,
log: log
}

104
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"use strict";
const resolve = require("path").resolve;
const npmpub = require("libnpmpublish");
const semver = require("semver");
const local = require("./local");
const keccak256 = require("../packages/keccak256").keccak256;
const fetchJson = require("../packages/web").fetchJson;
const { prompt } = require("../packages/cli");
const colorify = require("./log").colorify;
const git = require("./git");
let cache = { };
async function getPackage(name) {
if (cache[name]) { return cache[name]; }
return fetchJson("http:/" + "/registry.npmjs.org/" + name).then((result) => {
cache[name] = result;
return result;
}, (error) => {
if (error.status === 404) {
return null;
}
throw error;
});
}
async function getVersion(name) {
return getPackage(name).then((result) => {
if (!result) { return null; }
let versions = Object.keys(result.versions);
versions.sort(semver.compare)
return versions.pop();
});
}
async function getPackageVersion(name, version) {
let info = await getPackage(name)
if (!info) { return null; }
if (version == null) {
let versions = Object.keys(info.versions);
versions.sort(semver.compare);
version = versions.pop();
}
return info.versions[version] || null;
}
async function getTarballHash(name, version) {
let info = await getPackageVersion(name, version);
return (info || {}).tarballHash;
}
async function _publish(info, tarball, options) {
try {
let result = await npmpub.publish(info, tarball, options);
return result;
} catch (error) {
// We need an OTP
if (error.code === "EOTP") {
try {
let otp = await prompt.getMessage(colorify("Enter OTP: ", "bold"));
options.otp = otp.replace(" ", "");
} catch (error) {
// CTRL-C
if (error.message === "cancelled") {
return false;
}
// Something unexpected...
throw error;
}
// Retry with the new OTP
return _publish(info, tarball, options);
}
throw error;
}
}
async function publish(dirname, options) {
let info = local.loadPackage(dirname);
info.gitHead = await git.getGitTag(resolve(__dirname, "../packages/", dirname));
if (info.gitHead == null) { throw new Error("no git tag found - " + dirname); }
let tarball = await local.createTarball(dirname);
return _publish(info, tarball, options);
}
module.exports = {
getPackage: getPackage,
getPackageVersion: getPackageVersion,
getTarballHash: getTarballHash,
getVersion: getVersion,
publish: publish,
};

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{
"name": "DevelopmentChain",
"engine": {
"instantSeal": null
},
"params": {
"gasLimitBoundDivisor": "0x0400",
"accountStartNonce": "0x0",
"maximumExtraDataSize": "0x20",
"minGasLimit": "0x1388",
"networkID" : "0x11",
"registrar" : "0x0000000000000000000000000000000000001337",
"maxCodeSize": 24576,
"maxCodeSizeTransition": "0x0",
"eip98Transition": "0x7fffffffffffff",
"eip140Transition": "0x0",
"eip145Transition": "0x0",
"eip150Transition": "0x0",
"eip155Transition": "0x0",
"eip160Transition": "0x0",
"eip161abcTransition": "0x0",
"eip161dTransition": "0x0",
"eip211Transition": "0x0",
"eip214Transition": "0x0",
"eip658Transition": "0x0",
"wasmActivationTransition": "0x0"
},
"genesis": {
"seal": {
"generic": "0x0"
},
"difficulty": "0x20000",
"author": "0x0000000000000000000000000000000000000000",
"timestamp": "0x00",
"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
"extraData": "0x",
"gasLimit": "0x7A1200"
},
"accounts": {
"0000000000000000000000000000000000000001": { "balance": "1", "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
"0000000000000000000000000000000000000002": { "balance": "1", "builtin": { "name": "sha256", "pricing": { "linear": { "base": 60, "word": 12 } } } },
"0000000000000000000000000000000000000003": { "balance": "1", "builtin": { "name": "ripemd160", "pricing": { "linear": { "base": 600, "word": 120 } } } },
"0000000000000000000000000000000000000004": { "balance": "1", "builtin": { "name": "identity", "pricing": { "linear": { "base": 15, "word": 3 } } } },
"0000000000000000000000000000000000000005": { "balance": "1", "builtin": { "name": "modexp", "activate_at": 0, "pricing": { "modexp": { "divisor": 20 } } } },
"0000000000000000000000000000000000000006": { "balance": "1", "builtin": { "name": "alt_bn128_add", "activate_at": 0, "pricing": { "linear": { "base": 500, "word": 0 } } } },
"0000000000000000000000000000000000000007": { "balance": "1", "builtin": { "name": "alt_bn128_mul", "activate_at": 0, "pricing": { "linear": { "base": 40000, "word": 0 } } } },
"0000000000000000000000000000000000000008": { "balance": "1", "builtin": { "name": "alt_bn128_pairing", "activate_at": 0, "pricing": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 } } } },
"0x7454a8f5a7c7555d79b172c89d20e1f4e4cc226c": { "balance": "1606938044258990275541962092341162602522202993782792835301376" }
}
}

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@@ -0,0 +1 @@

View File

@@ -0,0 +1 @@
{"id":"24d70b97-fff9-d322-e760-4b8cc2e21751","version":3,"crypto":{"cipher":"aes-128-ctr","cipherparams":{"iv":"45d392cd16dbbd5c0f5b2d145c112da9"},"ciphertext":"b001ccd09fc5431dc055975b58ee61f86e85529245506c04182c902716e750e5","kdf":"pbkdf2","kdfparams":{"c":10240,"dklen":32,"prf":"hmac-sha256","salt":"028594da27a0e864105f33b912e5dc6ce7c75ecd13c81bfc158fe963d30c93bb"},"mac":"374bf2e9144b74b889708abc19e9ebc164f90bc27e83fd9f01da4571a9f81a70"},"address":"7454a8f5a7c7555d79b172c89d20e1f4e4cc226c","name":"","meta":"{}"}

64
admin/utils.js Normal file
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"use strict";
const fs = require("fs");
const _resolve = require("path").resolve;
function repeat(chr, length) {
let result = chr;
while (result.length < length) { result += chr; }
return result;
}
function zpad(value) {
value = String(value);
while (value.length < 2) { value = "0" + value; }
return value;
}
function getDate(date) {
return [
date.getFullYear(),
zpad(date.getMonth() + 1),
zpad(date.getDate())
].join("-");
}
function getDateTime(date) {
return getDate(date) + " " + [
zpad(date.getHours()) ,
zpad(date.getMinutes() + 1)
].join(":");
}
function today() {
return getDate(new Date());
}
function loadJson(filename) {
return JSON.parse(fs.readFileSync(filename).toString());
}
// @TODO: atomic write
function saveJson(filename, json) {
fs.writeFileSync(filename, JSON.stringify(json, null, 2) + "\n");
}
function resolve(...args) {
args = args.slice();
args.unshift("..");
args.unshift(__dirname);
return _resolve.apply(null, args);
}
module.exports = {
resolve: resolve,
loadJson: loadJson,
saveJson: saveJson,
repeat: repeat,
today: today,
getDate: getDate,
getDateTime: getDateTime
}

View File

@@ -1,24 +0,0 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var bignumber_1 = require("./utils/bignumber");
var AddressZero = '0x0000000000000000000000000000000000000000';
exports.AddressZero = AddressZero;
var HashZero = '0x0000000000000000000000000000000000000000000000000000000000000000';
exports.HashZero = HashZero;
// NFKD (decomposed)
//const EtherSymbol = '\uD835\uDF63';
// NFKC (composed)
var EtherSymbol = '\u039e';
exports.EtherSymbol = EtherSymbol;
var NegativeOne = bignumber_1.bigNumberify(-1);
exports.NegativeOne = NegativeOne;
var Zero = bignumber_1.bigNumberify(0);
exports.Zero = Zero;
var One = bignumber_1.bigNumberify(1);
exports.One = One;
var Two = bignumber_1.bigNumberify(2);
exports.Two = Two;
var WeiPerEther = bignumber_1.bigNumberify('1000000000000000000');
exports.WeiPerEther = WeiPerEther;
var MaxUint256 = bignumber_1.bigNumberify('0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
exports.MaxUint256 = MaxUint256;

86
contract.d.ts vendored
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@@ -1,86 +0,0 @@
import { BigNumber } from './utils/bignumber';
import { Indexed, Interface } from './utils/interface';
import { UnsignedTransaction } from './utils/transaction';
import { BlockTag, Provider } from './providers/abstract-provider';
import { Signer } from './abstract-signer';
import { Arrayish } from './utils/bytes';
import { ParamType } from './utils/abi-coder';
import { Block, Listener, Log, TransactionReceipt, TransactionRequest, TransactionResponse } from './providers/abstract-provider';
export declare type ContractFunction = (...params: Array<any>) => Promise<any>;
export declare type EventFilter = {
address?: string;
topics?: Array<string>;
};
export interface Event extends Log {
args?: Array<any>;
decode?: (data: string, topics?: Array<string>) => any;
event?: string;
eventSignature?: string;
removeListener: () => void;
getBlock: () => Promise<Block>;
getTransaction: () => Promise<TransactionResponse>;
getTransactionReceipt: () => Promise<TransactionReceipt>;
}
export interface ContractReceipt extends TransactionReceipt {
events?: Array<Event>;
}
export interface ContractTransaction extends TransactionResponse {
wait(confirmations?: number): Promise<ContractReceipt>;
}
export declare class VoidSigner extends Signer {
readonly address: string;
constructor(address: string, provider: Provider);
getAddress(): Promise<string>;
_fail(message: string, operation: string): Promise<any>;
signMessage(message: Arrayish | string): Promise<string>;
sendTransaction(transaction: TransactionRequest): Promise<TransactionResponse>;
connect(provider: Provider): VoidSigner;
}
interface Bucket<T> {
[name: string]: T;
}
export declare class Contract {
readonly address: string;
readonly interface: Interface;
readonly signer: Signer;
readonly provider: Provider;
readonly estimate: Bucket<(...params: Array<any>) => Promise<BigNumber>>;
readonly functions: Bucket<ContractFunction>;
readonly filters: Bucket<(...params: Array<any>) => EventFilter>;
readonly [name: string]: ContractFunction | any;
readonly addressPromise: Promise<string>;
readonly deployTransaction: TransactionResponse;
private _deployedPromise;
constructor(addressOrName: string, contractInterface: Array<string | ParamType> | string | Interface, signerOrProvider: Signer | Provider);
deployed(): Promise<Contract>;
_deployed(blockTag?: BlockTag): Promise<Contract>;
fallback(overrides?: TransactionRequest): Promise<TransactionResponse>;
connect(signerOrProvider: Signer | Provider | string): Contract;
attach(addressOrName: string): Contract;
static isIndexed(value: any): value is Indexed;
private _events;
private _getEventFilter;
private _addEventListener;
on(event: EventFilter | string, listener: Listener): Contract;
once(event: EventFilter | string, listener: Listener): Contract;
addListener(eventName: EventFilter | string, listener: Listener): Contract;
emit(eventName: EventFilter | string, ...args: Array<any>): boolean;
listenerCount(eventName?: EventFilter | string): number;
listeners(eventName: EventFilter | string): Array<Listener>;
removeAllListeners(eventName: EventFilter | string): Contract;
removeListener(eventName: any, listener: Listener): Contract;
}
export declare class ContractFactory {
readonly interface: Interface;
readonly bytecode: string;
readonly signer: Signer;
constructor(contractInterface: Array<string | ParamType> | string | Interface, bytecode: Arrayish | string | {
object: string;
}, signer?: Signer);
getDeployTransaction(...args: Array<any>): UnsignedTransaction;
deploy(...args: Array<any>): Promise<Contract>;
attach(address: string): Contract;
connect(signer: Signer): ContractFactory;
static fromSolidity(compilerOutput: any, signer?: Signer): ContractFactory;
}
export {};

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@@ -1,710 +0,0 @@
'use strict';
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var constants_1 = require("./constants");
var errors = __importStar(require("./errors"));
var abi_coder_1 = require("./utils/abi-coder");
var address_1 = require("./utils/address");
var bignumber_1 = require("./utils/bignumber");
var bytes_1 = require("./utils/bytes");
var interface_1 = require("./utils/interface");
var properties_1 = require("./utils/properties");
///////////////////////////////
// Imported Abstracts
var abstract_provider_1 = require("./providers/abstract-provider");
var abstract_signer_1 = require("./abstract-signer");
///////////////////////////////
var VoidSigner = /** @class */ (function (_super) {
__extends(VoidSigner, _super);
function VoidSigner(address, provider) {
var _this = _super.call(this) || this;
properties_1.defineReadOnly(_this, 'address', address);
properties_1.defineReadOnly(_this, 'provider', provider);
return _this;
}
VoidSigner.prototype.getAddress = function () {
return Promise.resolve(this.address);
};
VoidSigner.prototype._fail = function (message, operation) {
return Promise.resolve().then(function () {
errors.throwError(message, errors.UNSUPPORTED_OPERATION, { operation: operation });
});
};
VoidSigner.prototype.signMessage = function (message) {
return this._fail('VoidSigner cannot sign messages', 'signMessage');
};
VoidSigner.prototype.sendTransaction = function (transaction) {
return this._fail('VoidSigner cannot sign transactions', 'sendTransaction');
};
VoidSigner.prototype.connect = function (provider) {
return new VoidSigner(this.address, provider);
};
return VoidSigner;
}(abstract_signer_1.Signer));
exports.VoidSigner = VoidSigner;
var allowedTransactionKeys = {
chainId: true, data: true, from: true, gasLimit: true, gasPrice: true, nonce: true, to: true, value: true
};
// Recursively replaces ENS names with promises to resolve the name and
// stalls until all promises have returned
// @TODO: Expand this to resolve any promises too
function resolveAddresses(provider, value, paramType) {
if (Array.isArray(paramType)) {
var promises_1 = [];
paramType.forEach(function (paramType, index) {
var v = null;
if (Array.isArray(value)) {
v = value[index];
}
else {
v = value[paramType.name];
}
promises_1.push(resolveAddresses(provider, v, paramType));
});
return Promise.all(promises_1);
}
if (paramType.type === 'address') {
return provider.resolveName(value);
}
if (paramType.type === 'tuple') {
return resolveAddresses(provider, value, paramType.components);
}
// Strips one level of array indexing off the end to recuse into
var isArrayMatch = paramType.type.match(/(.*)(\[[0-9]*\]$)/);
if (isArrayMatch) {
if (!Array.isArray(value)) {
throw new Error('invalid value for array');
}
var promises = [];
var subParamType = {
components: paramType.components,
type: isArrayMatch[1],
};
value.forEach(function (v) {
promises.push(resolveAddresses(provider, v, subParamType));
});
return Promise.all(promises);
}
return Promise.resolve(value);
}
function runMethod(contract, functionName, estimateOnly) {
var method = contract.interface.functions[functionName];
return function () {
var params = [];
for (var _i = 0; _i < arguments.length; _i++) {
params[_i] = arguments[_i];
}
var tx = {};
var blockTag = null;
// If 1 extra parameter was passed in, it contains overrides
if (params.length === method.inputs.length + 1 && typeof (params[params.length - 1]) === 'object') {
tx = properties_1.shallowCopy(params.pop());
if (tx.blockTag != null) {
blockTag = tx.blockTag;
}
delete tx.blockTag;
// Check for unexpected keys (e.g. using "gas" instead of "gasLimit")
for (var key in tx) {
if (!allowedTransactionKeys[key]) {
throw new Error('unknown transaction override ' + key);
}
}
}
if (params.length != method.inputs.length) {
throw new Error('incorrect number of arguments');
}
// Check overrides make sense
['data', 'to'].forEach(function (key) {
if (tx[key] != null) {
errors.throwError('cannot override ' + key, errors.UNSUPPORTED_OPERATION, { operation: key });
}
});
tx.to = contract._deployed(blockTag).then(function () {
return contract.addressPromise;
});
return resolveAddresses(contract.provider, params, method.inputs).then(function (params) {
tx.data = method.encode(params);
if (method.type === 'call') {
// Call (constant functions) always cost 0 ether
if (estimateOnly) {
return Promise.resolve(constants_1.Zero);
}
if (!contract.provider) {
errors.throwError('call (constant functions) require a provider or a signer with a provider', errors.UNSUPPORTED_OPERATION, { operation: 'call' });
}
// Check overrides make sense
['gasLimit', 'gasPrice', 'value'].forEach(function (key) {
if (tx[key] != null) {
throw new Error('call cannot override ' + key);
}
});
if (tx.from == null && contract.signer) {
tx.from = contract.signer.getAddress();
}
return contract.provider.call(tx, blockTag).then(function (value) {
if ((bytes_1.hexDataLength(value) % 32) === 4 && bytes_1.hexDataSlice(value, 0, 4) === '0x08c379a0') {
var reason = abi_coder_1.defaultAbiCoder.decode(['string'], bytes_1.hexDataSlice(value, 4));
errors.throwError('call revert exception', errors.CALL_EXCEPTION, {
address: contract.address,
args: params,
method: method.signature,
errorSignature: 'Error(string)',
errorArgs: [reason],
reason: reason,
transaction: tx
});
}
try {
var result = method.decode(value);
if (method.outputs.length === 1) {
result = result[0];
}
return result;
}
catch (error) {
if (value === '0x' && method.outputs.length > 0) {
errors.throwError('call exception', errors.CALL_EXCEPTION, {
address: contract.address,
method: method.signature,
args: params
});
}
throw error;
}
});
}
else if (method.type === 'transaction') {
// Only computing the transaction estimate
if (estimateOnly) {
if (!contract.provider) {
errors.throwError('estimate gas require a provider or a signer with a provider', errors.UNSUPPORTED_OPERATION, { operation: 'estimateGas' });
}
if (tx.from == null && contract.signer) {
tx.from = contract.signer.getAddress();
}
return contract.provider.estimateGas(tx);
}
if (tx.gasLimit == null && method.gas != null) {
tx.gasLimit = bignumber_1.bigNumberify(method.gas).add(21000);
}
if (!contract.signer) {
errors.throwError('sending a transaction require a signer', errors.UNSUPPORTED_OPERATION, { operation: 'sendTransaction' });
}
// Make sure they aren't overriding something they shouldn't
if (tx.from != null) {
errors.throwError('cannot override from in a transaction', errors.UNSUPPORTED_OPERATION, { operation: 'sendTransaction' });
}
return contract.signer.sendTransaction(tx).then(function (tx) {
var wait = tx.wait.bind(tx);
tx.wait = function (confirmations) {
return wait(confirmations).then(function (receipt) {
receipt.events = receipt.logs.map(function (log) {
var event = properties_1.deepCopy(log);
var parsed = contract.interface.parseLog(log);
if (parsed) {
event.args = parsed.values;
event.decode = parsed.decode;
event.event = parsed.name;
event.eventSignature = parsed.signature;
}
event.removeListener = function () { return contract.provider; };
event.getBlock = function () {
return contract.provider.getBlock(receipt.blockHash);
};
event.getTransaction = function () {
return contract.provider.getTransaction(receipt.transactionHash);
};
event.getTransactionReceipt = function () {
return Promise.resolve(receipt);
};
return event;
});
return receipt;
});
};
return tx;
});
}
throw new Error('invalid type - ' + method.type);
return null;
});
};
}
function getEventTag(filter) {
if (filter.address && (filter.topics == null || filter.topics.length === 0)) {
return '*';
}
return (filter.address || '*') + '@' + (filter.topics ? filter.topics.join(':') : '');
}
var Contract = /** @class */ (function () {
// https://github.com/Microsoft/TypeScript/issues/5453
// Once this issue is resolved (there are open PR) we can do this nicer
// by making addressOrName default to null for 2 operand calls. :)
function Contract(addressOrName, contractInterface, signerOrProvider) {
var _this = this;
errors.checkNew(this, Contract);
// @TODO: Maybe still check the addressOrName looks like a valid address or name?
//address = getAddress(address);
if (interface_1.Interface.isInterface(contractInterface)) {
properties_1.defineReadOnly(this, 'interface', contractInterface);
}
else {
properties_1.defineReadOnly(this, 'interface', new interface_1.Interface(contractInterface));
}
if (abstract_signer_1.Signer.isSigner(signerOrProvider)) {
properties_1.defineReadOnly(this, 'provider', signerOrProvider.provider);
properties_1.defineReadOnly(this, 'signer', signerOrProvider);
}
else if (abstract_provider_1.Provider.isProvider(signerOrProvider)) {
properties_1.defineReadOnly(this, 'provider', signerOrProvider);
properties_1.defineReadOnly(this, 'signer', null);
}
else {
errors.throwError('invalid signer or provider', errors.INVALID_ARGUMENT, { arg: 'signerOrProvider', value: signerOrProvider });
}
properties_1.defineReadOnly(this, 'estimate', {});
properties_1.defineReadOnly(this, 'functions', {});
properties_1.defineReadOnly(this, 'filters', {});
Object.keys(this.interface.events).forEach(function (eventName) {
var event = _this.interface.events[eventName];
properties_1.defineReadOnly(_this.filters, eventName, function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
return {
address: _this.address,
topics: event.encodeTopics(args)
};
});
});
this._events = [];
properties_1.defineReadOnly(this, 'address', addressOrName);
if (this.provider) {
properties_1.defineReadOnly(this, 'addressPromise', this.provider.resolveName(addressOrName).then(function (address) {
if (address == null) {
throw new Error('name not found');
}
return address;
}).catch(function (error) {
throw error;
}));
}
else {
try {
properties_1.defineReadOnly(this, 'addressPromise', Promise.resolve(address_1.getAddress(addressOrName)));
}
catch (error) {
// Without a provider, we cannot use ENS names
errors.throwError('provider is required to use non-address contract address', errors.INVALID_ARGUMENT, { argument: 'addressOrName', value: addressOrName });
}
}
Object.keys(this.interface.functions).forEach(function (name) {
var run = runMethod(_this, name, false);
if (_this[name] == null) {
properties_1.defineReadOnly(_this, name, run);
}
else {
errors.warn('WARNING: Multiple definitions for ' + name);
}
if (_this.functions[name] == null) {
properties_1.defineReadOnly(_this.functions, name, run);
properties_1.defineReadOnly(_this.estimate, name, runMethod(_this, name, true));
}
});
}
// @TODO: Allow timeout?
Contract.prototype.deployed = function () {
return this._deployed();
};
Contract.prototype._deployed = function (blockTag) {
var _this = this;
if (!this._deployedPromise) {
// If we were just deployed, we know the transaction we should occur in
if (this.deployTransaction) {
this._deployedPromise = this.deployTransaction.wait().then(function () {
return _this;
});
}
else {
// @TODO: Once we allow a timeout to be passed in, we will wait
// up to that many blocks for getCode
// Otherwise, poll for our code to be deployed
this._deployedPromise = this.provider.getCode(this.address, blockTag).then(function (code) {
if (code === '0x') {
errors.throwError('contract not deployed', errors.UNSUPPORTED_OPERATION, {
contractAddress: _this.address,
operation: 'getDeployed'
});
}
return _this;
});
}
}
return this._deployedPromise;
};
// @TODO:
// estimateFallback(overrides?: TransactionRequest): Promise<BigNumber>
// @TODO:
// estimateDeploy(bytecode: string, ...args): Promise<BigNumber>
Contract.prototype.fallback = function (overrides) {
var _this = this;
if (!this.signer) {
errors.throwError('sending a transaction require a signer', errors.UNSUPPORTED_OPERATION, { operation: 'sendTransaction(fallback)' });
}
var tx = properties_1.shallowCopy(overrides || {});
['from', 'to'].forEach(function (key) {
if (tx[key] == null) {
return;
}
errors.throwError('cannot override ' + key, errors.UNSUPPORTED_OPERATION, { operation: key });
});
tx.to = this.addressPromise;
return this.deployed().then(function () {
return _this.signer.sendTransaction(tx);
});
};
// Reconnect to a different signer or provider
Contract.prototype.connect = function (signerOrProvider) {
if (typeof (signerOrProvider) === 'string') {
signerOrProvider = new VoidSigner(signerOrProvider, this.provider);
}
var contract = new Contract(this.address, this.interface, signerOrProvider);
if (this.deployTransaction) {
properties_1.defineReadOnly(contract, 'deployTransaction', this.deployTransaction);
}
return contract;
};
// Re-attach to a different on=chain instance of this contract
Contract.prototype.attach = function (addressOrName) {
return new Contract(addressOrName, this.interface, this.signer || this.provider);
};
Contract.isIndexed = function (value) {
return interface_1.Interface.isIndexed(value);
};
Contract.prototype._getEventFilter = function (eventName) {
var _this = this;
if (typeof (eventName) === 'string') {
// Listen for any event
if (eventName === '*') {
return {
prepareEvent: function (e) {
var parsed = _this.interface.parseLog(e);
if (parsed) {
e.args = parsed.values;
e.decode = parsed.decode;
e.event = parsed.name;
e.eventSignature = parsed.signature;
}
return [e];
},
eventTag: '*',
filter: { address: this.address },
};
}
// Normalize the eventName
if (eventName.indexOf('(') !== -1) {
eventName = abi_coder_1.formatSignature(abi_coder_1.parseSignature('event ' + eventName));
}
var event_1 = this.interface.events[eventName];
if (!event_1) {
errors.throwError('unknown event - ' + eventName, errors.INVALID_ARGUMENT, { argumnet: 'eventName', value: eventName });
}
var filter_1 = {
address: this.address,
topics: [event_1.topic]
};
return {
prepareEvent: function (e) {
var args = event_1.decode(e.data, e.topics);
e.args = args;
var result = Array.prototype.slice.call(args);
result.push(e);
return result;
},
event: event_1,
eventTag: getEventTag(filter_1),
filter: filter_1
};
}
var filter = {
address: this.address
};
// Find the matching event in the ABI; if none, we still allow filtering
// since it may be a filter for an otherwise unknown event
var event = null;
if (eventName.topics && eventName.topics[0]) {
filter.topics = eventName.topics;
for (var name_1 in this.interface.events) {
if (name_1.indexOf('(') === -1) {
continue;
}
var e = this.interface.events[name_1];
if (e.topic === eventName.topics[0].toLowerCase()) {
event = e;
break;
}
}
}
return {
prepareEvent: function (e) {
if (!event) {
return [e];
}
var args = event.decode(e.data, e.topics);
e.args = args;
var result = Array.prototype.slice.call(args);
result.push(e);
return result;
},
event: event,
eventTag: getEventTag(filter),
filter: filter
};
};
Contract.prototype._addEventListener = function (eventFilter, listener, once) {
var _this = this;
if (!this.provider) {
errors.throwError('events require a provider or a signer with a provider', errors.UNSUPPORTED_OPERATION, { operation: 'once' });
}
var wrappedListener = function (log) {
var event = properties_1.deepCopy(log);
var args = eventFilter.prepareEvent(event);
if (eventFilter.event) {
event.decode = eventFilter.event.decode;
event.event = eventFilter.event.name;
event.eventSignature = eventFilter.event.signature;
}
event.removeListener = function () { _this.removeListener(eventFilter.filter, listener); };
event.getBlock = function () { return _this.provider.getBlock(log.blockHash); };
event.getTransaction = function () { return _this.provider.getTransaction(log.transactionHash); };
event.getTransactionReceipt = function () { return _this.provider.getTransactionReceipt(log.transactionHash); };
_this.emit.apply(_this, [eventFilter.filter].concat(args));
};
this.provider.on(eventFilter.filter, wrappedListener);
this._events.push({ eventFilter: eventFilter, listener: listener, wrappedListener: wrappedListener, once: once });
};
Contract.prototype.on = function (event, listener) {
this._addEventListener(this._getEventFilter(event), listener, false);
return this;
};
Contract.prototype.once = function (event, listener) {
this._addEventListener(this._getEventFilter(event), listener, true);
return this;
};
Contract.prototype.addListener = function (eventName, listener) {
return this.on(eventName, listener);
};
Contract.prototype.emit = function (eventName) {
var _this = this;
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
if (!this.provider) {
return false;
}
var result = false;
var eventFilter = this._getEventFilter(eventName);
this._events = this._events.filter(function (event) {
// Not this event (keep it for later)
if (event.eventFilter.eventTag !== eventFilter.eventTag) {
return true;
}
// Call the callback in the next event loop
setTimeout(function () {
event.listener.apply(_this, args);
}, 0);
result = true;
// Reschedule it if it not "once"
return !(event.once);
});
return result;
};
Contract.prototype.listenerCount = function (eventName) {
if (!this.provider) {
return 0;
}
var eventFilter = this._getEventFilter(eventName);
return this._events.filter(function (event) {
return event.eventFilter.eventTag === eventFilter.eventTag;
}).length;
};
Contract.prototype.listeners = function (eventName) {
if (!this.provider) {
return [];
}
var eventFilter = this._getEventFilter(eventName);
return this._events.filter(function (event) {
return event.eventFilter.eventTag === eventFilter.eventTag;
}).map(function (event) { return event.listener; });
};
Contract.prototype.removeAllListeners = function (eventName) {
var _this = this;
if (!this.provider) {
return this;
}
var eventFilter = this._getEventFilter(eventName);
this._events = this._events.filter(function (event) {
// Keep all other events
if (event.eventFilter.eventTag !== eventFilter.eventTag) {
return true;
}
// Deregister this event from the provider and filter it out
_this.provider.removeListener(event.eventFilter.filter, event.wrappedListener);
return false;
});
return this;
};
Contract.prototype.removeListener = function (eventName, listener) {
var _this = this;
if (!this.provider) {
return this;
}
var found = false;
var eventFilter = this._getEventFilter(eventName);
this._events = this._events.filter(function (event) {
// Make sure this event and listener match
if (event.eventFilter.eventTag !== eventFilter.eventTag) {
return true;
}
if (event.listener !== listener) {
return true;
}
_this.provider.removeListener(event.eventFilter.filter, event.wrappedListener);
// Already found a matching event in a previous loop
if (found) {
return true;
}
// REmove this event (returning false filters us out)
found = true;
return false;
});
return this;
};
return Contract;
}());
exports.Contract = Contract;
var ContractFactory = /** @class */ (function () {
function ContractFactory(contractInterface, bytecode, signer) {
var bytecodeHex = null;
// Allow the bytecode object from the Solidity compiler
if (typeof (bytecode) === 'string') {
bytecodeHex = bytecode;
}
else if (bytes_1.isArrayish(bytecode)) {
bytecodeHex = bytes_1.hexlify(bytecode);
}
else if (typeof (bytecode.object) === 'string') {
bytecodeHex = bytecode.object;
}
else {
errors.throwError('bytecode must be a valid hex string', errors.INVALID_ARGUMENT, { arg: 'bytecode', value: bytecode });
}
// Make sure it is 0x prefixed
if (bytecodeHex.substring(0, 2) !== '0x') {
bytecodeHex = '0x' + bytecodeHex;
}
if (!bytes_1.isHexString(bytecodeHex)) {
errors.throwError('bytecode must be a valid hex string', errors.INVALID_ARGUMENT, { arg: 'bytecode', value: bytecode });
}
if ((bytecodeHex.length % 2) !== 0) {
errors.throwError('bytecode must be valid data (even length)', errors.INVALID_ARGUMENT, { arg: 'bytecode', value: bytecode });
}
properties_1.defineReadOnly(this, 'bytecode', bytecodeHex);
if (interface_1.Interface.isInterface(contractInterface)) {
properties_1.defineReadOnly(this, 'interface', contractInterface);
}
else {
properties_1.defineReadOnly(this, 'interface', new interface_1.Interface(contractInterface));
}
if (signer && !abstract_signer_1.Signer.isSigner(signer)) {
errors.throwError('invalid signer', errors.INVALID_ARGUMENT, { arg: 'signer', value: null });
}
properties_1.defineReadOnly(this, 'signer', signer || null);
}
ContractFactory.prototype.getDeployTransaction = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var tx = {};
// If we have 1 additional argument, we allow transaction overrides
if (args.length === this.interface.deployFunction.inputs.length + 1) {
tx = properties_1.shallowCopy(args.pop());
for (var key in tx) {
if (!allowedTransactionKeys[key]) {
throw new Error('unknown transaction override ' + key);
}
}
}
// Do not allow these to be overridden in a deployment transaction
['data', 'from', 'to'].forEach(function (key) {
if (tx[key] == null) {
return;
}
errors.throwError('cannot override ' + key, errors.UNSUPPORTED_OPERATION, { operation: key });
});
// Make sure the call matches the constructor signature
errors.checkArgumentCount(args.length, this.interface.deployFunction.inputs.length, ' in Contract constructor');
// Set the data to the bytecode + the encoded constructor arguments
tx.data = this.interface.deployFunction.encode(this.bytecode, args);
return tx;
};
ContractFactory.prototype.deploy = function () {
var _this = this;
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
// Get the deployment transaction (with optional overrides)
var tx = this.getDeployTransaction.apply(this, args);
// Send the deployment transaction
return this.signer.sendTransaction(tx).then(function (tx) {
var contract = new Contract(address_1.getContractAddress(tx), _this.interface, _this.signer);
properties_1.defineReadOnly(contract, 'deployTransaction', tx);
return contract;
});
};
ContractFactory.prototype.attach = function (address) {
return new Contract(address, this.interface, this.signer);
};
ContractFactory.prototype.connect = function (signer) {
return new ContractFactory(this.interface, this.bytecode, signer);
};
ContractFactory.fromSolidity = function (compilerOutput, signer) {
if (compilerOutput == null) {
errors.throwError('missing compiler output', errors.MISSING_ARGUMENT, { argument: 'compilerOutput' });
}
if (typeof (compilerOutput) === 'string') {
compilerOutput = JSON.parse(compilerOutput);
}
var abi = compilerOutput.abi;
var bytecode = null;
if (compilerOutput.bytecode) {
bytecode = compilerOutput.bytecode;
}
else if (compilerOutput.evm && compilerOutput.evm.bytecode) {
bytecode = compilerOutput.evm.bytecode;
}
return new ContractFactory(abi, bytecode, signer);
};
return ContractFactory;
}());
exports.ContractFactory = ContractFactory;

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dist/demo/index.html vendored
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<html>
<head>
<title>Ethereum Wallet</title>
<link rel="stylesheet" type="text/css" href="./style.css">
</head>
<body>
<div class="centerer" id="screen-select">
<div class="centered">
<h1>Ethereum Wallet Tool</h1>
<hr />
<h2>Load JSON Wallet</h2>
<p>
If you have a JSON wallet file from <i>geth</i> or from the initial <i>Ethereum</i>
crowd sale, you can decrypt it here. No information is shared with <b>any</b>
server.
</p>
<table>
<tr>
<th>JSON Wallet:</th>
<td><div class="file" id="select-wallet-drop">Drop JSON wallet file here</div><input type="file" id="select-wallet-file" /></td>
</tr>
<tr>
<th>Password:</th>
<td><input type="password" placeholder="(password)" id="select-wallet-password" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="select-submit-wallet" class="submit disable">Unlock JSON Wallet</div>
</td>
</tr>
</table>
<hr />
<h2>Mnemonic Phrase Wallet</h2>
<p>
If you have a 12 word mnemonic phrase, you can generate your wallet here.
No information is shared with <b>any</b> server.
</p>
<table>
<tr>
<th>Mnemonic Phrase:</th>
<td><input type="text" placeholder="(mnemonic phrase)" id="select-mnemonic-phrase" /></td>
</tr>
<tr>
<th>Path:</th>
<td><input type="text" placeholder="(path)" id="select-mnemonic-path" value="m/44'/60'/0'/0/0" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="select-submit-mnemonic" class="submit disable">Derive Wallet</div>
</td>
</tr>
</table>
<hr />
<h2>Raw Private Key</h2>
<p>
</p>
<table>
<tr>
<th>Private Key:</th>
<td><input type="text" placeholder="(private key)" id="select-privatekey" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="select-submit-privatekey" class="submit disable">Load Raw Private Key</div>
</td>
</tr>
</table>
<hr />
<h3>Disclaimer:</h3>
<p>
This is beta software, with no warranty. <b>Use at your own risk.</b>
</p>
</div>
</div>
<div class="centerer hidden" id="screen-loading">
<div class="centered">
<h1>Loading Wallet</h1>
<hr />
<h2 id="loading-header"></h2>
<table>
<tr>
<th>Progress:</th>
<td>
<input type="text" readonly="readonly" class="readonly" id="loading-status" value="" /></div>
</td>
</tr>
<tr>
<td> </td>
<td>
<div id="loading-cancel" class="submit">Cancel</div>
</td>
</tr>
</table>
<hr />
<h3>Disclaimer:</h3>
<p>
This is beta software, with no warranty. <b>Use at your own risk.</b>
</p>
</div>
</div>
<div class="centerer hidden" id="screen-wallet">
<div class="centered">
<h1>Ethereum Wallet<span id="wallet-username" class="username right"></span></h1>
<hr />
<h3>Wallet Details:</h3>
<table>
<tr>
<th>Address:</th>
<td>
<input type="text" readonly="readonly" class="readonly" id="wallet-address" value="" /></div>
</td>
</tr>
<tr>
<th>Network:</th>
<td>
<div class="clearfix"></div>
<div class="network option" data-network="ropsten">Ropsten<br /><span>testnet</span></div>
<div class="network option" data-network="rinkeby">Rinkeby<br /><span>testnet</span></div>
<div class="network option" data-network="kovan">Kovan<br /><span>testnet</span></div>
<div class="network option last selected" data-network="homestead">Homestead<br /><span>mainnet</span></div>
<div class="clearfix"></div>
</td>
</tr>
<tr>
<th>Balance:</th>
<td>
<input type="text" readonly="readonly" class="readonly" id="wallet-balance" value="0.0" /></div>
</td>
</tr>
<tr>
<th>Nonce:</th>
<td>
<input type="text" readonly="readonly" class="readonly" id="wallet-transaction-count" value="0" /></div>
</td>
</tr>
<tr>
<td> </td>
<td>
<div id="wallet-submit-refresh" class="submit">Refresh</div>
</td>
</tr>
</table>
<h3>Send Ether:</h3>
<table>
<tr>
<th>Target Address:</th>
<td><input type="text" placeholder="(target address)" id="wallet-send-target-address" /></td>
</tr>
<tr>
<th>Amount:</th>
<td><input type="text" placeholder="(amount)" id="wallet-send-amount" /></td>
</tr>
<tr>
<td> </td>
<td>
<div id="wallet-submit-send" class="submit disable">Send Ether</div>
</td>
</tr>
</table>
<h3>Session Activity</h3>
<div id="wallet-activity" class="activity"></div>
<hr />
<h3>Disclaimer:</h3>
<p>
This is beta software, with no warranty. <b>Use at your own risk.</b>
</p>
</div>
</div>
<script type="text/javascript" src="../../dist/ethers.js"></script>
<script type="text/javascript">
function query(el, selector) {
if (!selector) {
selector = el;
el = document;
}
return Array.prototype.slice.call(el.querySelectorAll(selector));
}
function setEnter(source, target) {
source.onkeyup = function(e) {
if (e.which === 13) { target.click(); }
}
}
var cancelScrypt = false;
document.getElementById('loading-cancel').onclick = function() {
cancelScrypt = true;
};
var updateLoading = (function() {
var loadingStatus = document.getElementById('loading-status');
return (function(progress) {
loadingStatus.value = (parseInt(progress * 100)) + '%';
return cancelScrypt;
});
})();
// JSON Wallet
(function() {
var inputFile = document.getElementById('select-wallet-file');
var targetDrop = document.getElementById('select-wallet-drop');
var inputPassword = document.getElementById('select-wallet-password');
var submit = document.getElementById('select-submit-wallet');
function check() {
if (inputFile.files && inputFile.files.length === 1) {
submit.classList.remove('disable');
targetDrop.textContent = inputFile.files[0].name;
} else {
submit.classList.add('disable');
}
}
inputFile.onchange = check;
inputPassword.oninput = check;
setEnter(inputPassword, submit);
inputFile.addEventListener('dragover', function(event) {
event.preventDefault();
event.stopPropagation();
targetDrop.classList.add('highlight');
}, true);
inputFile.addEventListener('drop', function(event) {
targetDrop.classList.remove('highlight');
}, true);
submit.onclick = function() {
if (submit.classList.contains('disable')) { return; }
var fileReader = new FileReader();
fileReader.onload = function(e) {
var json = e.target.result;
if (ethers.utils.getJsonWalletAddress(json)) {
showLoading('Decrypting Wallet...');
cancelScrypt = false;
ethers.Wallet.fromEncryptedJson(json, inputPassword.value, updateLoading).then(function(wallet) {
showWallet(wallet);
}, function(error) {
if (error.message === 'invalid password') {
alert('Wrong Password');
} else {
console.log(error);
alert('Error Decrypting Wallet');
}
showSelect();
});
} else {
alert('Unknown JSON wallet format');
}
};
fileReader.readAsText(inputFile.files[0]);
};
})();
// Raw Private Key
(function() {
var inputPrivatekey = document.getElementById('select-privatekey');
var submit = document.getElementById('select-submit-privatekey');
function check() {
if (inputPrivatekey.value.match(/^(0x)?[0-9A-fa-f]{64}$/)) {
submit.classList.remove('disable');
} else {
submit.classList.add('disable');
}
}
inputPrivatekey.oninput = check;
setEnter(inputPrivatekey, submit);
submit.onclick = function() {
if (submit.classList.contains('disable')) { return; }
var privateKey = inputPrivatekey.value;
if (privateKey.substring(0, 2) !== '0x') { privateKey = '0x' + privateKey; }
showWallet(new ethers.Wallet(privateKey));
}
})();
// Mnemonic Phrase
(function() {
var inputPhrase = document.getElementById('select-mnemonic-phrase');
var inputPath = document.getElementById('select-mnemonic-path');
var submit = document.getElementById('select-submit-mnemonic');
function check() {
if (ethers.HDNode.isValidMnemonic(inputPhrase.value)) {
submit.classList.remove('disable');
} else {
submit.classList.add('disable');
}
}
inputPhrase.oninput = check;
inputPath.oninput = check;
setEnter(inputPhrase, submit);
setEnter(inputPath, submit);
submit.onclick = function() {
if (submit.classList.contains('disable')) { return; }
showWallet(ethers.Wallet.fromMnemonic(inputPhrase.value, inputPath.value));
}
})();
var activeWallet = null;
function showError(error) {
alert('Error \u2014 ' + error.message);
}
// Refresh balance and transaction count in the UI
var refresh = (function() {
var inputBalance = document.getElementById('wallet-balance');
var inputTransactionCount = document.getElementById('wallet-transaction-count');
var submit = document.getElementById('wallet-submit-refresh');
function refresh() {
addActivity('> Refreshing details...');
activeWallet.getBalance('pending').then(function(balance) {
addActivity('< Balance: ' + balance.toString(10));
inputBalance.value = ethers.utils.formatEther(balance, { commify: true });
}, function(error) {
showError(error);
});
activeWallet.getTransactionCount('pending').then(function(transactionCount) {
addActivity('< TransactionCount: ' + transactionCount);
inputTransactionCount.value = transactionCount;
}, function(error) {
showError(error);
});
}
submit.onclick = refresh;
return refresh;
})();
var addActivity = (function() {
var activity = document.getElementById('wallet-activity');
return function(message, url) {
var line = document.createElement('a');
line.textContent = message;
if (url) {
line.setAttribute('href', url);
line.setAttribute('target', '_blank');
}
activity.appendChild(line);
}
})();
// Set up the wallet page
(function() {
var inputTargetAddress = document.getElementById('wallet-send-target-address');
var inputAmount = document.getElementById('wallet-send-amount');
var submit = document.getElementById('wallet-submit-send');
// Validate the address and value (to enable the send button)
function check() {
try {
ethers.utils.getAddress(inputTargetAddress.value);
ethers.utils.parseEther(inputAmount.value);
} catch (error) {
submit.classList.add('disable');
return;
}
submit.classList.remove('disable');
}
inputTargetAddress.oninput = check;
inputAmount.oninput = check;
query('.network.option').forEach(function(el) {
var network = el.getAttribute('data-network');
el.onclick = function() {
addActivity('! Switched network: ' + network);
activeWallet = activeWallet.connect(ethers.providers.getDefaultProvider(network));
query('.network.option.selected').forEach(function(el) {
el.classList.remove('selected');
});
el.classList.add('selected');
refresh();
};
});
// Send ether
submit.onclick = function() {
// Matt (from Etherscan) is working on a gasPrice API call, which
// should be done within a week or so.
// @TODO
//var gasPrice = (activeWallet.provider.testnet ? 0x4a817c800: 0xba43b7400);
//console.log('GasPrice: ' + gasPrice);
var targetAddress = ethers.utils.getAddress(inputTargetAddress.value);
var amountWei = ethers.utils.parseEther(inputAmount.value);
activeWallet.sendTransaction({
to: targetAddress,
value: amountWei,
//gasPrice: activeWallet.provider.getGasPrice(),
//gasLimit: 21000,
}).then(function(tx) {
console.log(tx);
// Since we only use standard networks, network will always be known
var tag = activeWallet.provider.network.name + '.';
if (tag === 'homestead.') { tag = ''; }
var url = 'https://' + tag + 'etherscan.io/tx/' + tx.hash;
addActivity('< Transaction sent: ' + tx.hash.substring(0, 20) + '...', url);
alert('Success!');
inputTargetAddress.value = '';
inputAmount.value = '';
submit.classList.add('disable');
refresh();
}, function(error) {
console.log(error);
showError(error);
});
}
})();
function showSelect() {
document.getElementById('screen-select').style.display = 'block';
document.getElementById('screen-loading').style.display = 'none';
document.getElementById('screen-wallet').style.display = 'none';
}
function showLoading(title) {
document.getElementById('screen-select').style.display = 'none';
document.getElementById('screen-loading').style.display = 'block';
document.getElementById('screen-wallet').style.display = 'none';
document.getElementById('loading-header').textContent = title;
}
function showWallet(wallet) {
var network = document.querySelector('.network.option.selected').getAttribute('data-network');
activeWallet = wallet.connect(new ethers.providers.getDefaultProvider(network));
document.getElementById('screen-select').style.display = 'none';
document.getElementById('screen-loading').style.display = 'none';
document.getElementById('screen-wallet').style.display = 'block';
var inputWalletAddress = document.getElementById('wallet-address');
inputWalletAddress.value = wallet.address;
inputWalletAddress.onclick = function() {
this.select();
};
refresh();
}
//var privateKey = '0x3141592653589793238462643383279502884197169399375105820974944592';
//showWallet(new ethers.Wallet(privateKey));
</script>
</body>
</html>

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body {
background-color: #eee;
font-family: sans-serif;
font-size: 18px;
margin: 0;
}
.centerer {
margin-left: 50%;
min-height: 100%;
}
.centered:before {
box-shadow: -10px 0 15px -10px #999 inset;
content: " ";
height: 100%;
left: -10px;
position: absolute;
top: 0;
width: 10px;
}
.centered:after {
box-shadow: 10px 0 15px -10px #999 inset;
content: " ";
height: 100%;
right: -10px;
position: absolute;
top: 0;
width: 10px;
}
.centered {
background-color: #fff;
border-left: 1px solid #888;
border-right: 1px solid #888;
dbox-shadow: -1px 0 15px 0 #999;
margin-left: -370px;
min-height: 100%;
padding: 20px;
position: relative;
width: 700px;
}
.hidden {
display: none;
}
p {
text-align: justify;
margin-bottom: 30px;
}
th {
text-align: left;
padding: 0 15px 15px 0;
}
td {
padding: 0 15px 15px 0;
}
input[type=text] {
border: 1px solid #555;
font-size: 16px;
padding: 10px;
width: 501px;
}
input[type=password] {
border: 1px solid #555;
font-size: 16px;
padding: 10px;
width: 501px;
}
input[type=file] {
dbackground: #fff;
border: 1px solid #555;
cursor: pointer;
font-size: 16px;
opacity: 0;
padding: 10px;
position: relative;
dvisibility: hidden;
width: 501px;
}
input[type=text].readonly {
border: 1px solid #ccc;
color: #888;
}
.file {
border: 1px solid green;
color: #444;
font-size: 12px;
line-height: 16px;
margin-top: 2px;
padding: 13px 10px 12px;
position: absolute;
text-align: center;
width: 478px;
}
.file.highlight {
box-shadow: 0px 0px 5px #888;
}
.clearfix {
clear: both;
}
.option {
border: 1px solid #999;
box-sizing: border-box;
cursor: pointer;
float: left;
font-size: 16px;
opacity: 0.3;
padding: 10px;
margin-right: 20px;
text-align: center;
transition: opacity 0.1s linear;
width: 110px;
}
.option span {
font-size: 0.8em;
opacity: 0.5;
}
.option.selected {
opacity: 1;
}
.option:hover {
box-shadow: 0px 0px 5px #888;
opacity: 1;
}
table {
margin-bottom: 40px;
}
div.activity {
font-family: monospace;
margin-bottom: 40px;
}
div.activity a {
display: block;
text-decoration: none;
}
.username {
color: #888;
font-size: 14px;
}
.submit {
border: 1px solid #555;
box-shadow: 0px 0px 5px #888;
cursor: pointer;
font-size: 16px;
padding: 10px;
text-align: center;
transition: opacity 0.1s linear;
width: 480px;
}
.submit:hover {
border: 1px solid #999;
box-shadow: 0px 0px 5px #aaa;
}
.submit:active {
box-shadow: none;
}
.submit.disable {
box-shadow: none;
opacity: 0.5;
}
.submit.disable:hover {
border: 1px solid #555;
box-shadow: none;
}
.submit.disable:active {
box-shadow: none;
}
.left {
float: left;
}
.right {
float: right;
}

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**.bak

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Documentation
=============
These docs are built using [Flatworm Docs](https://github.com/ricmoo/flatworm).
The output is placed in [docs](../docs) and generates both HTML and Markdown
files.
Building
--------
```
/home/ricmoo/ethers.js> npm run build-docs
```
License
-------
All documentation for ethers.js and Flatworm is released under the
[Creative Commons Attribution 4.0 International License](https://choosealicense.com/licenses/cc-by-4.0/)
license.

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_section: ContractFactory @<ContractFactory> @SRC<contracts:class.ContractFactory>
@TODO: Fill this in, including @SRC links
_subsection: Creating Instances @<ContractFactory--creating>
_property: new ethers.ContractFactory(interface, bydecode [ , signer ]) @SRC<contracts:constructor.ContractFactory>
_property: ContractFactory.fromSolidity(compilerOutput [ , signer ]) => [[ContractFactory]]
_property: contractFactory.connect(signer) => [[Contract]] @<ContractFactory-connect>
_subsection: Properties @<ContractFactory--properties>
_property: contractFactory.interface => [[Interface]]
_property: contractFactory.bytecode => string<[[DataHexString]]>
_property: contractFactory.signer => [[Signer]]
_subsection: Methods @<ContractFactory--methods>
_property: contractFactory.attach(address) => [[Contract]] @<ContractFactory-attach>
Return an instance of a [[Contract]] attched to //address//. This is the
same as using the [Contract constructor](Contract--creating) with
//address// and this the the //interface// and //signerOrProvider// passed
in when creating the ContractFactory.
_property: contractFactory.getDeployTransaction(...args) => [[UnsignedTransaction]]
Returns the unsigned transaction which would deploy this Contract with //args// passed
to the Contract's constructor.
_property: contractFactory.deploy(...args) => Promise<[[Contract]]> @<ContractFactory-deploy>
Uses the signer to deploy the Contract with //args// passed into the constructor and
retruns a Contract which is attached to the address where this contract **will** be
deployed once the transaction is mined.
The transaction can be found at ``contract.deployTransaction``, and no interactions
should be made until the transaction is mined.
_code: Deploying a Contract
// <hide>
const signer = ethers.LocalSigner();
const ContractFactory = ethers.ContractFactory;
// </hide>
// If your contract constructor requires parameters, the ABI
// must include the constructor
const abi = [
"constructor(address owner, uint256 initialValue)"
];
const factory = new ContractFactory(abi, bytecode, signer)
const contract = await factory.deploy("ricmoo.eth", 42);
// The address is available immediately, but the contract
// is NOT deployed yet
contract.address
//!
// The transaction that the signer sent to deploy
contract.deployTransaction
//!
// Wait until the transaction is mined
contract.deployTransaction.wait()
//!
// Now the contract is safe to interact with
contract.value()
//!

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_section: Contract @<Contract> @SRC<contracts:class.Contract>
Explain contract here...
_subsection: Creating Instances @<Contract--creating>
_property: new ethers.Contract(address, abi, signerOrProvider) @src<contracts:constructor.Contract>
_property: contract.attach(addressOrName) => [[Contract]] @<Contract-attach> @SRC<contracts:Contract.attach>
Returns a new instance of the **Contract** attached to a new
address. This is useful if there are multiple similar or identical
copies of a Contract on the network and you wish to interact with
each of them.
_property: contract.connect(providerOrSigner) => [[Contract]] @<Contract-connect> @SRC<contracts:Contract.connect>
Returns a new instance of the Contract, but connected to
//providerOrSigner//.
By passing in a [[Provider]], this will return a downgraded
**Contract** which only has read-only access (i.e. constant calls).
By passing in a [[Signer]]. this will return a **Contract** which
will act on behalf of that signer.
_subsection: Properties @<Contract--properties>
_property: contract.address => string<[[address]]>
This is the address (or ENS name) the contract was constructed with.
_property: contract.resolvedAddress => string<[[address]]>
This is a promise that will resolve to the address the **Contract**
object is attached to. If an [[address]] was provided to the constructor,
it will be equal to this; if an ENS name was provided, this will be the
resolved address.
_property: contract.deployTransaction => [[providers-TransactionResponse]]
If the **Contract** object is the result of a ContractFactory deployment,
this is the transaction which was used to deploy the contract.
_property: contract.interface => [[Interface]]
This is the ABI as an [[Interface]].
_property: contract.provider => [[Provider]]
If a provider was provided to the constructor, this is that provider. If
a signer was provided that had a [[Provider]], this is that provider.
_property: contract.signer => [[Signer]]
If a signer was provided to the constructor, this is that signer.
_subsection: Methods @<Contract--methods>
_property: contract.deployed() => Promise<[[Contract]]> @<Contract-deployed> @SRC<contracts>
_property: Contract.isIndexed(value) => boolean @<Contract-isIndexed> @SRC<contracts>
_subsection: Events @<Contract--events>
_property: contract.queryFilter(event [ , fromBlockOrBlockHash [ , toBlock ]) => Promise<Array<Event>> @<Contract-queryFilter> @SRC<contracts>
Return Events that match the //event//.
_property: contract.listenerCount([ event ]) => number @<Contract-listenerCount> @SRC<contracts:Contract.listenerCount>
Return the number of listeners that are subscribed to //event//. If
no event is provided, returns the total count of all events.
_property: contract.listeners(event) => Array<Listener> @<Contract-listeners> @SRC<contracts:Contract.listeners>
Return a list of listeners that are subscribed to //event//.
_property: contract.off(event, listener) => this @<Contract-off> @SRC<contracts>
Unsubscribe //listener// to //event//.
_property: contract.on(event, listener) => this @<Contract-on> @SRC<contracts>
Subscribe to //event// calling //listener// when the event occurs.
_property: contract.once(event, listener) => this @<Contract-once> @SRC<contracts>
Subscribe once to //event// calling //listener// when the event
occurs.
_property: contract.removeAllListeners([ event ]) => this @<Contract-removeAllListeners> @SRC<contracts:Contract.removeAllListeners>
Unsubscribe all listeners for //event//. If no event is provided,
all events are unsubscribed.
_subsection: Meta-Class @<Contract--metaclass>
A Meta-Class is a Class which has any of its properties determined
at run-time. The **Contract** object uses a Contract's ABI to
determine what methods are available, so the following sections
describe the generic ways to interact with the properties added
at run-time during the **Contract** constructor.
_heading: Read-Only Methods (constant) @<Contract--readonly>
A constant method is read-only and evaluates a small amount of EVM
code against the current blockchain state and can be computed by
asking a single node, which can return a result. It is therefore
free and does not require any ether, but **cannot make changes** to
the blockchain state..
_property: contract.METHOD_NAME(...args [, overrides ]) => Promise<any> @<Contract-functionsCall>
The type of the result depends on the ABI.
For values that have a simple meaning in JavaScript, the types are fairly
straight forward; strings and booleans are returned as JavaScript strings
and booleans.
For numbers, if the **type** is in the JavaScript safe range (i.e. less
than 53 bits, such as an ``int24`` or ``uint48``) a normal JavaScript
number is used. Otherwise a [[BigNumber]] is returned.
For bytes (both fixed length and dynamic), a [[DataHexString]] is returned.
_property: contract.functions.METHOD_NAME(...args [, overrides ]) => Promise<[[Result]]>
The result will always be a [[Result]], even if there is only a single
return value type.
This simplifies frameworks which wish to use the [[Contract]] object,
since they do not need to inspect the return types to unwrap simplified
functions.
Another use for this method is for error recovery. For example, if a
function result is an invalid UTF-8 string, the normal call using the
above meta-class function will throw an exception. This allows using the
Result access error to access the low-level bytes and reason for the error
allowing an alternate UTF-8 error strategy to be used.
Most developers should not require this.
_heading: Write Methods (non-constant) @<Contract--write>
A non-constant method requires a transaction to be signed and requires
payment in the form of a fee to be paid to a miner. This transaction
will be verified by every node on the entire network as well by the
miner who will compute the new state of the blockchain after executing
it against the current state.
It cannot return a result. If a result is required, it should be logged
using a Solidity event (or EVM log), which can then be queried from the
transaction receipt.
_property: contract.METHOD_NAME(...args [ , overrides ]) => Promise<[[providers-TransactionResponse]]> @<contract-functionsSend>
Returns a [[providers-TransactionResponse]] for the transaction after
it is sent to the network. This requires the **Contract** has a
signer.
_heading: Write Methods Analysis @<Contract--check>
There are several options to analyze properties and results of a
write method without actually executing it.
_property: contract.estimateGas.METHOD_NAME(...args [ , overrides ]) => Promise<[[BigNumber]]> @<contract-estimateGas>
Returns the estimate units of gas that would be required to
execute the //METHOD_NAME// with //args// and //overrides//.
_property: contract.populateTransaction.METHOD_NAME(...args [ , overrides ]) => Promise<[UnsignedTx](UnsignedTransaction)> @<contract-populateTransaction>
Returns an [[UnsignedTransaction]] which represents the transaction
that would need to be signed and submitted to the network to execute
//METHOD_NAME// with //args// and //overrides//.
_property: contract.callStatic.METHOD_NAME(...args [ , overrides ]) => Promise<any> @<contract-callStatic>
Rather than executing the state-change of a transaction, it is possible
to ask a node to //pretend// that a call is not state-changing and
return the result.
This does not actually change any state, but is free. This in some cases
can be used to determine if a transaction will fail or succeed.
This otherwise functions the same as a [Read-Only Method](Contract--readonly).
_heading: Event Filters @<Contract--filters>
An event filter is made up of topics, which are values logged in a
[[link-wiki-bloomfilter]], allowing efficient searching for entries
which match a filter.
_property: contract.filters.EVENT_NAME(...args) => Filter
Return a filter for //EVENT_NAME//, optionally filtering by additional
constraints.
Only ``indexed`` event parameters may be filtered. If a parameter is
null (or not provided) then any value in that field matches.

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_section: Example: ERC-20 Contract
_subsection: Connecting to a Contract
_code: A simple ERC-20 contract @lang<javascript>
// A Human-Readable ABI; any supported ABI format could be used
const abi = [
// Read-Only Functions
"function balanceOf(address owner) view returns (uint256)",
"function decimals() view returns (uint8)",
"function symbol() view returns (string)",
// Authenticated Functions
"function transfer(address to, uint amount) returns (boolean)",
// Events
"event Transfer(address indexed from, address indexed to, uint amount)"
];
// This can be an address or an ENS name
const address = "dai.tokens.ethers.eth";
// An example Provider
const provider = ethers.getDefaultProvider();
// An example Signer
const signer = ethers.Wallet.createRandom().connect(provider);
// Read-Only; By connecting to a Provider, allows:
// - Any constant function
// - Querying Filters
// - Populating Unsigned Transactions for non-constant methods
// - Estimating Gas for non-constant (as an anonymous sender)
// - Static Calling non-constant methods (as anonymous sender)
const erc20 = new ethers.Contract(address, abi, provider);
// Read-Write; By connecting to a Signer, allows:
// - Everything from Read-Only (except as Signer, not anonymous)
// - Sending transactions for non-constant functions
const erc20_rw = new ethers.Contract(address, abi, signer)
_heading: ERC20Contract @INHERIT<[[Contract]]>
_property: new ethers.Contract(address, abi, providerOrSigner)
See the above code example for creating an Instance which will
(in addition to the Contact methods and properties) automatically
add the additional properties defined in //abi// to a **Contract**
connected to //address// using the //providerOrSigner//.
_subsection: Properties @NOTE<(inheritted from [[Contract]])>
_property: erc20.address => string<[[address]]>
This is the address (or ENS name) the contract was constructed with.
_property: erc20.resolvedAddress => string<[[address]]>
This is a promise that will resolve to the address the **Contract**
object is attached to. If an [[address]] was provided to the constructor,
it will be equal to this; if an ENS name was provided, this will be the
resolved address.
_property: erc20.deployTransaction => [[providers-TransactionResponse]]
If the **Contract** object is the result of a ContractFactory deployment,
this is the transaction which was used to deploy the contract.
_property: erc20.interface => [[Interface]]
This is the ABI as an [[Interface]].
_property: erc20.provider => [[Provider]]
If a provider was provided to the constructor, this is that provider. If
a signer was provided that had a [[Provider]], this is that provider.
_property: erc20.signer => [[Signer]]
If a signer was provided to the constructor, this is that signer.
_subsection: Methods @NOTE<(inheritted from [[Contract]])>
_property: erc20.attach(addressOrName) => [[Contract]]
Returns a new instance of the **Contract** attached to a new
address. This is useful if there are multiple similar or identical
copies of a Contract on the network and you wish to interact with
each of them.
_property: erc20.connect(providerOrSigner) => [[Contract]]
Returns a new instance of the Contract, but connected to
//providerOrSigner//.
By passing in a [[Provider]], this will return a downgraded
**Contract** which only has read-only access (i.e. constant calls).
By passing in a [[Signer]]. this will return a **Contract** which
will act on behalf of that signer.
_property: erc20.deployed() => Promise<Contract>
_property: Contract.isIndexed(value) => boolean
_subsection: Events @NOTE<(inheritted from [[Contract]])> @<erc20-events>
_property: erc20.queryFilter(event [ , fromBlockOrBlockHash [ , toBlock ]) => Promise<Array<Event>> @<erc20-queryfilter>
Return Events that match the //event//.
_property: erc20.listenerCount([ event ]) => number
Return the number of listeners that are subscribed to //event//. If
no event is provided, returns the total count of all events.
_property: erc20.listeners(event) => Array<Listener>
Return a list of listeners that are subscribed to //event//.
_property: erc20.off(event, listener) => this
Unsubscribe //listener// to //event//.
_property: erc20.on(event, listener) => this
Subscribe to //event// calling //listener// when the event occurs.
_property: erc20.once(event, listener) => this
Subscribe once to //event// calling //listener// when the event
occurs.
_property: erc20.removeAllListeners([ event ]) => this
Unsubscribe all listeners for //event//. If no event is provided,
all events are unsubscribed.
_subsection: Meta-Class Methods @NOTE<(added at Runtime)>
Since the Contract is a Meta-Class, the methods available here depend
on the ABI which was passed into the **Contract**.
_property: erc20.decimals([ overrides ]) => Promise<number>
Returns the number of decimal places used by this ERC-20 token. This can be
used with [parseUnits](utils-parseUnits) when taking input from the user or
[formatUnits](utils-formatunits] when displaying the token amounts in the UI.
_property: erc20.getBalance(owner [, overrides ]) => Promise<[[BigNumber]]>
Returns the balance of //owner// for this ERC-20 token.
_property: erc20.symbol([ overrides ]) => Promise<string>
Returns the symbol of the token.
_property: erc20_rw.transfer(target, amount [, overrides ]) => Promise<[[providers-TransactionResponse]]>
Transfers //amount// tokens to //target// from the current signer.
The return value (a boolean) is inaccessible during a write operation
using a transaction. Other techniques (such as events) are required
if this value is required. On-chain contracts calling the ``transfer``
function have access to this result, which is why it is possible.
_property: erc20.callStatic.transfer(target, amount [, overrides ]) => Promise<boolean>
Performs a dry-run of transferring //amount// tokens to //target// from
the current signer, without actually signing or sending a transaction.
This can be used to preflight check that a transaction will be successful.
_property: erc20.estimateGas.transfer(target, amount [, overrides ]) => Promise<[[BigNumber]]>
Returns an estimate for how many units of gas would be required
to transfer //amount// tokens to //target//.
_property: erc20.populateTransaction.transfer(target, amount [, overrides ]) => Promise<[UnsignedTx](UnsignedTransaction)>
Returns an [[UnsignedTransaction]] which could be signed and submitted
to the network to transaction //amount// tokens to //target//.
_note: Note on Estimating and Static Calling
When you perform a static call, the current state is taken into account as
best as Ethereum can determine. There are many cases where this can provide
false positives and false negatives. The eventually consistent model of the
blockchain also means there are certain consistency modes that cannot be
known until an actual transaction is attempted.
_subsection: Meta-Class Filters @NOTE<(added at Runtime)>
Since the Contract is a Meta-Class, the methods available here depend
on the ABI which was passed into the **Contract**.
_property: erc20.filters.Transafer([ fromAddress [ , toAddress ] ]) => Filter
Returns a new Filter which can be used to [query](erc20-queryfilter) or
to [subscribe/unsubscribe to events](erc20-events).
If //fromAddress// is null or not provided, then any from address matches.
If //toAddress// is null or not provided, then any to address matches.

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_section: Contract Interaction @<contracts>
A **Contract** object is an abstraction of a contract (EVM bytecode)
deployed on the Ethereum network. It allows for a simple way to
serialize calls and transactions to an on-chain contract and
deserialize their results and emitted logs.
A **ContractFactory** is an abstraction of a contract's //bytecode//
and facilitates deploying a contract.
_toc:
contract
contract-factory
example

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_section: Experimental
The **Experimental** package is used for features that are not ready
to be included in the base library. The API should not be considered
stable and does not follow [[link-semver]] versioning, so applications
requiring it should specify the //exact version// needed.
_subsection: BrainWallet @<experimental-brainwallet> @INHERIT<[[Wallet]]>
Ethers removed support for BrainWallets in v4, since they are unsafe and
many can be easily guessed, allowing attackers to steal the funds. This
class is offered to ensure older systems which used brain wallets can
still recover their funds and assets.
_property: BrainWallet.generate(username, password [ , progressCallback ]) => [[experimental-brainwallet]]
Generates a brain wallet, with a slightly improved experience, in which
the generated wallet has a mnemonic.
_property: BrainWallet.generateLegacy(username, password [ , progressCallback ]) => [[experimental-brainwallet]]
Generate a brain wallet which is compatibile with the ethers v3 and earlier.
_subsection: EIP1193Bridge @<experimental-eip1193bridge> @INHERIT<[[link-npm-events]]>
The **EIP1193Bridge** allows a normal Ethers [[Signer]] and [[Provider]] to be
exposed in as a standard [EIP-1193 Provider](link-eip-1193), which may be useful
when interacting with other libraries.
_subsection: NonceManager @<experimental-noncemanager> @INHERIT<[[Signer]]>
The **NonceManager** is designed to manage the nonce for a Signer,
automatically increasing it as it sends transactions.
Currently the NonceManager does not handle re-broadcast. If you attempt
to send a lot of transactions to the network on a node that does not
control that account, the transaction pool may drop your transactions.
In the future, it'd be nice if the **NonceManager** remembered transactions
and watched for them on the network, rebroadcasting transactions that
appear to have been dropped.
Another future feature will be some sort of failure mode. For example, often
a transaction is dependent on another transaction being mined first.
_property: new NonceManager(signer)
Create a new NonceManager.
_property: nonceManager.signer => [[Signer]]
The signer whose nonce is being managed.
_property: nonceManager.provider => [[Provider]]
The provider associated with the signer.
_property: nonceManager.setTransactionCount(count) => void
Set the current transaction count (nonce) for the signer.
This may be useful it interacting with the signer outside of using
this class.
_property: nonceManager.increaseTransactionCount( [ count = 1 ]) => void
Bump the current transaction count (nonce) by //count//.
This may be useful it interacting with the signer outside of using
this class.

12
docs.wrm/api/index.wrm Normal file
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_section: Application Programming Interface @<api> @NAV<API>
An Application Programming Interface (API) is the formal
specification of the library.
_toc:
contract
signer
providers
utils
other
experimental

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_section: Utilities @<asm-utilities>
_subsection: Assembler
The assembler utilities allow parsing and assembling an
[Ethers ASM Dialect](asm-dialect) source file.
_property: asm.parse(code) => [[asm-node]] @<asm-parse> @SRC<asm/assembler>
Parse an ethers-format assembly file and return the [[asm-ast]].
_property: asm.assemble(node) => string<[[DataHexString]]> @SRC<asm/assembler:function.assemble>
Performs assembly of the [[asm-ast]] //node// and return the
resulting bytecode representation.
_subsection: Disassembler
The **Disassembler** utilities make it easy to convert bytecode
into an object which can easily be examined for program structure.
_property: asm.disassemble(bytecode) => [[asm-bytecode]] @SRC<asm/assembler>
Returns an array of Operations given //bytecode//.
_property: asm.formatBytecode(operations) => string @SRC<asm/assembler>
Create a formatted output of an array of [[asm-operation]].
_heading: Bytecode @<asm-bytecode> @INHERIT<Array\<[[asm-operation]]\>>
Each arary index represents an operation, collapsing multi-byte operations
(i.e. ``PUSH``) into a single operation.
_property: bytecode.getOperation(offset) => [[asm-operation]]
Get the operation at a given //offset// into the bytecode. This ensures that
the byte at //offset// is an operation and not data contained within a ``PUSH``,
in which case null it returned.
_heading: Operation @<asm-operation>
An **Operation** is a single command from a disassembled bytecode
stream.
_property: operation.opcode => [[asm-opcode]]
The opcode for this Operation.
_property: operation.offset => number
The offset into the bytecode for this Operation.
_property: operation.pushValue => string<[[DataHexString]]>
If the opcode is a ``PUSH``, this is the value of that push
_subsection: Opcode @<asm-opcode> @SRC<asm/opcodes:class.Opcode>
_property: asm.Opcode.from(valueOrMnemonic) => [[asm-opcode]]
Create a new instnace of an Opcode for a given numeric value
(e.g. 0x60 is PUSH1) or mnemonic string (e.g. "PUSH1").
_heading: Properties
_property: opcode.value => number
The value (bytecode as a number) of this opcode.
_property: opcode.mnemonic => string
The mnemonic string of this opcode.
_property: opcode.delta => number
The number of items this opcode will consume from the stack.
_property: opcode.alpha => number
The number of items this opcode will push onto the stack.
_property: opcode.doc => string
A short description of what this opcode does.
_property: opcode.isMemory() => "read" | "write" | "full"
Returns true if the opcode accesses memory.
_property: opcode.isStatic() => boolean
Returns true if the opcode cannot change state.
_property: opcode.isJump() => boolean
Returns true if the opcode is a jumper operation.
_property: opcode.isPush() => number
Returns 0 if the opcode is not a ``PUSH*``, or the number
of bytes this opcode will push if it is.

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_section: Abstract Syntax Tree @<asm-ast>
Parsing a file using the [Ethers ASM Dialect](asm-dialect) will
generate an Abstract Syntax Tree. The root node will always
be a [[asm-scopenode]] whose name is ``_``.
To parse a file into an Abstract Syntax tree, use the [parse](asm-parse)
function.
_subsection: Types
_heading: Location @<asm-location>
_property: offset => number
The offset into the source code to the start of this node.
_property: length => number
The length of characters in the source code to the end of this node.
_property: source => string
The source code of this node.
_subsection: Nodes
@TODO: Place a diagram here showing the hierarchy
_heading: Node @<asm-node> @SRC<asm:class.Node>
_property: node.tag => string
A unique tag for this node for the lifetime of the process.
_property: node.location => [[asm-location]]
The source code and location within the source code that this
node represents.
_heading: ValueNode @<asm-valuenode> @INHERIT<[[asm-node]]> @SRC<asm:class.ValueNode>
A **ValueNode** is a node which may manipulate the stack.
_heading: LiteralNode @<asm-literalnode> @INHERIT<[[asm-valuenode]]> @SRC<asm:class.LiteralNode>
_property: literalNode.value => string
The literal value of this node, which may be a [[DataHexString]] or
string of a decimal number.
_property: literalNode.verbatim => boolean
This is true in a [[asm-datanode]] context, since in that case the
value should be taken verbatim and no ``PUSH`` operation shoud be
added, otherwise false.
_heading: PopNode @<asm-popnode> @INHERIT<[[asm-valuenode]]> @SRC<asm:class.PopNode>
A **PopNode** is used to store a place-holder for an implicit pop from the
stack. It represents the code for an implicit place-holder (i.e. ``$$``) or an
explicit place-holder (e.g. ``$1``), which indicates the expect stack position
to consume.
_property: literalNode.index => number
The index this **PopNode** is representing. For an implicit place-holder
this is ``0``.
_heading: LinkNode @<asm-linknode> @INHERIT<[[asm-valuenode]]> @SRC<asm:class.LinkNode>
A **LinkNode** represents a link to another [[asm-node]]'s data,
for example ``$foo`` or ``#bar``.
_property: linkNode.label => string
Te name of the target node.
_property: linkNode.type => "offset" | "length"
Whether this node is for an offset or a length value of the
target node.
_heading: OpcodeNode @<asm-opcodenode> @INHERIT<[[asm-valuenode]]> @SRC<asm:class.OpcodeNode>
_property: opcodeNode.opcode => [[asm-opcode]]
The opcode for this Node.
_property: opcodeNode.operands => Array<[[asm-valuenode]]>
A list of all operands passed into this Node.
_heading: EvaluationNode @<asm-evaluationnode> @INHERIT<[[asm-valuenode]]> @SRC<asm:class.EvaluationNode>
An **EvaluationNode** is used to execute code and insert the results
but does not generate
any output assembly, using the ``{{! code here }}`` syntax.
_property: literalNode.verbatim => boolean
This is true in a [[asm-datanode]] context, since in that case the
value should be taken verbatim and no ``PUSH`` operation shoud be
added, otherwise false.
_property: evaluationNode.script => string
The code to evaluate and produce the result to use as a literal.
_heading: ExecutionNode @<asm-executionnode> @INHERIT<[[asm-node]]> @SRC<asm:class.ExecutionNode>
An **ExecutionNode** is used to execute code but does not generate
any output assembly, using the ``{{! code here }}`` syntax.
_property: evaluationNode.script => string
The code to execute. Any result is ignored.
_heading: LabelledNode @<asm-labellednode> @INHERIT<[[asm-node]]> @SRC<asm:class.LabelledNode>
A **LabelledNode** is used for any Node that has a name, and can therefore
be targetted by a [[asm-linknode]].
_property: labelledNode.name => string
The name of this node.
_heading: LabelNode @<asm-labelnode> @INHERIT<[[asm-labellednode]]> @SRC<asm:class.LabelNode>
A **LabelNode** is used as a place to ``JUMP`` to by referencing it
name, using ``@myLabel:``. A ``JUMPDEST`` is automatically inserted
at the bytecode offset.
_heading: DataNode @<asm-datanode> @INHERIT<[[asm-labellednode]]> @SRC<asm:class.DataNode>
A **DataNode** allows for data to be inserted directly into the output
assembly, using ``@myData[ ... ]``. The data is padded if needed to ensure
values that would otherwise be regarded as a ``PUSH`` value does not impact
anything past the data.
_property: dataNode.data => Array<[[asm-valuenode]]>
The child nodes, which each represent a verbatim piece of data in insert.
_heading: ScopeNode @<asm-scopenode> @INHERIT<[[asm-labellednode]]> @SRC<asm:class.ScopeNode>
A **ScopeNode** allows a new frame of reference that all [[asm-linknode]]'s
will use when resolving offset locations, using ``@myScope{ ... }``.
_property: scopeNode.statements => Array<[[asm-node]]>
The list of child nodes for this scope.

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_section: Ethers ASM Dialect @<asm-dialect>
This provides a quick, high-level overcview of the **Ethers ASM Dialect**
for EVM, which is defined by the [Ethers ASM Dialect Grammar](link-ethers-asm-grammar)
Once a program is compiled by a higher level langauge into ASM (assembly),
or hand-coded directly in ASM, it needs to be assembled into bytecode.
The assembly process performs a very small set of operations and is
intentionally simple and closely related to the underlying EVM bytecode.
Operations include embedding programs within programs (for example the
deployment bootstrap has the runtime embedded in it) and computing the
necessary offsets for jump operations.
The [Command-Line Assembler](cli-asm) can be used to assemble an
//Ethers ASM Dialect// file or to disassemble bytecode into its
human-readable (ish) opcodes and literals.
_subsection: Opcodes @<asm-dialect-opcode>
An **Opcode** may be provided in either a //functional// or
//instructional// syntax. For Opcodes that require parameters,
the //functional// syntax is recommended and the //instructional//
syntax will raise a warning.
@TODO: Examples
_subsection: Labels @<asm-dialect-label>
A **Label** is a position in the program which can be jumped to. A
``JUMPDEST`` is automatically added to this point in the assembled
output.
@TODO: Exmaples
_subsection: Literals @<asm-dialect-literal>
A **Literal** puts data on the stack when executed using a ``PUSH``
operation.
A **Literal** can be provided using a [[DataHexString]] or a decimal
byte value.
@TODO: exmples
_subsection: Comments @<asm-dialect-comment>
To enter a comment in the **Ethers ASM Dialect**, any text following
a semi-colon (i.e. ``;``) is ignored by the assembler.
_subsection: Scopes @<asm-dialect-scope>
A common case in Ethereum is to have one program embedded in another.
The most common use of this is embedding a Contract **runtime bytecode**
within a **deployment bytecode**, which can be used as **init code**.
When deploying a program to Ethereum, an **init transaction** is used. An
//init transaction// has a null ``to`` address and contains bytecode in
the ``data``. This ``data`` bytecode is a program, that when executed
returns some other bytecode as a result, this restul is the bytecode
to be installed.
Therefore it is important that embedded code uses jumps relative to itself,
not the entire program it is embedded in, which also means that a jump
can **only** target its own scope, no parent or child scopes. This is
enforced by the assembler.
A scope may access the offset of any child [[asm-dialect-datasegment]] or
child [[asm-dialect-scope]] (with respect to itself) and may access the length
of any [[asm-dialect-datasegment]] or [[asm-dialect-scope]] anywhere in the program.
Every program in the **Ethers ASM Dialect** has a top-leve scope named ``_``.
_subsection: Data Segment @<asm-dialect-datasegment>
A **Data Segment** allows arbitrary data to be embedded into a program,
which can be useful for lookup tables or deploy-time constants.
An emtpty **Data Segment** can also be used when a labelled location is
required, but without the ``JUMPDEST`` which a [[asm-dialect-label]] adds.
@TODO: Example
_subsection: Links @<asm-dialect-links>
A **Link** allows access to a [[asm-dialect-scope]], [[asm-dialect-datasegment]] or [[asm-dialect-label]].
To access the byte offset of a labelled item, use ``$foobar``.
For a [[asm-dialect-label]], the target must be directly reachable within this scope. For
a [[asm-dialect-datasegment]] or a [[asm-dialect-scope]], it can be inside the same scope or any
child scope.
For a [[asm-dialect-datasegment]] or a [[asm-dialect-label]], there is an additional type of
**Link**, which provides the length of the data or bytecode respectively. A
**Length Link** is accessed by ``#foobar`` and is pushed on the stack as a
literal.
_subsection: Stack Placeholders @<asm-dialect-placeholder>
@TODO: exampl
_subsection: Evaluation and Excution @<asm-dialect-scripting>

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_section: Assembly
This module should still be considered fairly experimental.
_toc:
dialect
api
ast

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_section: Hardware Wallets
_subsection: LedgerSigner @<hw-ledger> @INHERIT<[[Signer]]> @SRC<hardware-wallets:class.LedgerSigner>
The [Ledger Hardware Wallets](link-ledger) are a fairly
popular brand.
_code: Importing in ES6 or TypeScript @lang<script>
import { LedgerSigner } from "@ethersproject/hardware-wallets";
_heading: API
_property: new LedgerSigner([provider [, type [ , path ] ] ]) => [[hw-ledger]]
Connects to a Ledger Hardware Wallet. The //type// if left unspecified is
determined by the environment; in node the default is "hid" and in the browser
"u2f" is the default. The default Ethereum path is used if //path// is left unspecified.

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_section: Other Libraries
Now that ethers is more modular, it is possible to have additional
ancillary packages, which are not part of the core but optionally
add functionality only needed in certain situations.
_toc:
assembly
hardware

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_section: API Providers @<api-providers>
There are many services which offer a web API for accessing
the Ethereum Blockchain. These Providers allow connecting
to them, which simplifies development, since you do not need
to run your own instance or cluster of Ethereum nodes.
However, this reliance on third-party services can reduce
resiliance, security and increase the amount of required trust.
To mitigate these issues, it is recommended you use a
[Default Provider](providers-getDefaultProvider).
_subsection: EtherscanProvider @<EtherscanProvider> @inherit<[[Provider]]> @src<providers:class.EtherscanProvider>
The **EtherscanProvider** is backed by a combination of the various
[Etherscan APIs](link-etherscan-api).
_property: new ethers.providers.EtherscanProvider([ network = "homestead", [ apiKey ] ])
Create a new **EtherscanProvider** connected to //network// with the
optional //apiKey//.
The //network// may be specified as **string** for a common
network name, a **number** for a common chain ID or a
[Network Object]provider-(network).
If no //apiKey// is provided, a shared API key will be used,
which may result in reduced performance and throttled requests.
It is highly recommended for production, you register with
[Etherscan](link-etherscan) for your own API key.
_note: Note: Default API keys
If no //apiKey// is provided, a shared API key will be used,
which may result in reduced performance and throttled requests.
It is highly recommended for production, you register with
[Etherscan](link-etherscan) for your own API key.
_definition: **Supported Networks**
- Homestead (Mainnet)
- Ropsten (proof-of-work testnet)
- Rinkeby (proof-of-authority testnet)
- G&ouml;rli (clique testnet)
- Kovan (proof-of-authority testnet)
_code: Etherscan Examples @lang<javascript>
// <hide>
const EtherscanProvider = ethers.providers.EtherscanProvider;
const apiKey = "...";
// </hide>
// Connect to mainnet (homestead)
provider = new EtherscanProvider();
// Connect to rinkeby testnet (these are equivalent)
provider = new EtherscanProvider("rinkeby");
provider = new EtherscanProvider(4);
const network = ethers.providers.getNetwork("rinkeby");
// <hide>
delete network._defaultProvider;
network
// </hide>
//!
provider = new EtherscanProvider(network);
// Connect to mainnet (homestead) with an API key
provider = new EtherscanProvider(null, apiKey);
provider = new EtherscanProvider("homestead", apiKey);
_property: provider.getHistory(address) => Array<History> @src<providers>
@TODO... Explain
_subsection: InfuraProvider @<InfuraProvider> @INHERIT<[[UrlJsonRpcProvider]]> @src<providers:class.InfuraProvider>
The **InfuraProvider** is backed by the popular [INFURA](link-infura)
Ethereum service.
_property: new ethers.providers.InfuraProvider([ network = "homestead", [ apiKey ] ]) @SRC<providers>
Create a new **InfuraProvider** connected to //network// with
the optional //apiKey//.
The //network// may be specified as **string** for a common
network name, a **number** for a common chain ID or a
[Network Object]provider-(network).
The //apiKey// can be a **string** Project ID or an **object**
with the properties ``projectId`` and ``projectSecret`` to
specify a [Project Secret](link-infura-secret) which can be used
on non-public sources (like on a server) to further secure your
API access and quotas.
_property: InfuraProvider.getWebSocketProvider([ network [ , apiKey ] ]) => [[WebSocketProvider]] @<InfuraProvider-getWebSocketProvider> @SRC<providers:InfuraProvider.getWebSocketProvider>
Create a new [[WebSocketProvider]] using the INFURA web-socket endpoint
to connect to //network// with the optional //apiKey//.
The //network// and //apiKey// are specified the same as [the constructor](InfuraProvider).
_note: Note: Default API keys
If no //apiKey// is provided, a shared API key will be used,
which may result in reduced performance and throttled requests.
It is highly recommended for production, you register with
[INFURA](link-infura) for your own API key.
_definition: **Supported Networks**
- Homestead (Mainnet)
- Ropsten (proof-of-work testnet)
- Rinkeby (proof-of-authority testnet)
- G&ouml;rli (clique testnet)
- Kovan (proof-of-authority testnet)
_code: INFURA Examples @lang<javascript>
// <hide>
const InfuraProvider = ethers.providers.InfuraProvider;
const projectId = "...";
const projectSecret = "...";
// </hide>
// Connect to mainnet (homestead)
provider = new InfuraProvider();
// Connect to the ropsten testnet
// (see EtherscanProvider above for other network examples)
provider = new InfuraProvider("ropsten");
// Connect to mainnet with a Project ID (these are equivalent)
provider = new InfuraProvider(null, projectId);
provider = new InfuraProvider("homestead", projectId);
// Connect to mainnet with a Project ID and Project Secret
provider = new InfuraProvider("homestead", {
projectId: projectId,
projectSecret: projectSecret
});
// Connect to the INFURA WebSocket endpoints with a WebSocketProvider
provider = InfuraProvider.getWebSocketProvider()
// <hide>
provider._websocket.onopen = function(){
provider._websocket.close();
};
// </hide>
_subsection: AlchemyProvider @<AlchemyProvider> @inherit<[[UrlJsonRpcProvider]]> @src<providers:class.AlchemyProvider>
The **AlchemyProvider** is backed by [Alchemy](link-alchemy).
_property: new ethers.providers.AlchemyProvider([ network = "homestead", [ apiKey ] ])
Create a new **AlchemyProvider** connected to //network// with
the optional //apiKey//.
The //network// may be specified as **string** for a common
network name, a **number** for a common chain ID or a
[Network Object](providers-Network).
_note: Note: Default API keys
If no //apiKey// is provided, a shared API key will be used,
which may result in reduced performance and throttled requests.
It is highly recommended for production, you register with
[Alchemy](link-alchemy) for your own API key.
_definition: **Supported Networks**
- Homestead (Mainnet)
- Ropsten (proof-of-work testnet)
- Rinkeby (proof-of-authority testnet)
- G&ouml;rli (clique testnet)
- Kovan (proof-of-authority testnet)
_code: Alchemy Examples @lang<javascript>
// <hide>
const AlchemyProvider = ethers.providers.AlchemyProvider;
const apiKey = "...";
// </hide>
// Connect to mainnet (homestead)
provider = new AlchemyProvider();
// Connect to the ropsten testnet
// (see EtherscanProvider above for other network examples)
provider = new AlchemyProvider("ropsten");
// Connect to mainnet with an API key (these are equivalent)
provider = new AlchemyProvider(null, apiKey);
provider = new AlchemyProvider("homestead", apiKey);
_subsection: CloudflareProvider @<CloudflareProvider> @inherit<[[UrlJsonRpcProvider]]> @src<providers:class.CloudflareProvider>
The CloudflareProvider is backed by the [Cloudflare Ethereum Gateway](link-cloudflare).
_property: new ethers.providers.CloudflareProvider()
Create a new **CloudflareProvider** connected to mainnet (i.e. "homestead").
_definition: **Supported Networks**
- Homestead (Mainnet)
_code: Cloudflare Examples @lang<javascript>
// <hide>
const CloudflareProvider = ethers.providers.CloudflareProvider;
// </hide>
// Connect to mainnet (homestead)
provider = new CloudflareProvider();

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_section: Providers @<providers>
A **Provider** is an abstraction of a connection to the
Ethereum network, providing a concise, consistent interface
to standard Ethereum node functionality.
The ethers.js library provides several options which should
cover the vast majority of use-cases, but also includes the
necessary functions and classes for sub-classing if a more
custom configuration is necessary.
Most users should be able to simply use the [[providers-getDefaultProvider]].
_subsection: Default Provider @<providers-getDefaultProvider>
The default provider is the safest, easiest way to begin
developing on //Ethereum//, and it is also robust enough
for use in production.
It creates a [[FallbackProvider]] connected to as many backend
services as possible. When a request is made, it is sent to
multiple backends simulatenously. As responses from each backend
are returned, they are checked that they agree. Once a quorum
has been reached (i.e. enough of the backends agree), the response
is provided to your application.
This ensures that if a backend has become out-of-sync, or if it
has been compromised that its responses are dropped in favor of
responses that match the majority.
_property: ethers.getDefaultProvider([ network, [ options ] ]) => [[Provider]]
Returns a new Provider, backed by multiple services, connected
to //network//. Is no //network// is provided, **homestead**
(i.e. mainnet) is used.
The //options// is an object, with the following properties:
_table: Option Properties
$Alchemy: [[link-alchemy]] API Token
$Etherscan: [[link-etherscan]] API Token
$Infura: [[link-infura]] Project ID or ProjectID and Project Secret
$Quorum: The number of backends that must agree
//(default: 2 for mainnet, 1 for testnets)//
| **Property** | **Description** |
| //alchemy// | $Alchemy |
| //etherscan// | $Etherscan |
| //infura// | $Infura |
| //quorum// | $Quorum |
_note: Note: API Keys
It is highly recommended for production services that to acquire
and specify an API Key for each sercice.
The default API Keys used by ethers are shared across all users,
so services may throttle all services that are using the default
API Keys during periods of load without realizing it.
Many services also have monitoring and usage metrics, which are
only available if an API Key is specified. This allows tracking
how many requests are being sent and which methods are being
used the most.
Some services also provide additional paid features, which are only
available when specifying an API Key.
_subsection: Provider Documentation
_toc:
provider
jsonrpc-provider
api-providers
other
types

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_section: JsonRpcProvider @<JsonRpcProvider> @INHERIT<[[Provider]]> @SRC<providers:class.JsonRpcProvider>
The [JSON-RPC API](link-jsonrpc) is a very popular method for interacting
with Ethereum and is available in all major Ethereum node implementations
(e.g. [[link-geth]] and [[link-parity]]) as well as many
third-party web services (e.g. [[link-infura]])
_property: new ethers.providers.JsonRpcProvider([ url [ , aNetworkish ] ]) @SRC<providers:constructor.JsonRpcProvider>
Connect to a JSON-RPC API located at //url// using the //aNetworkish// network.
If //url// is not specified, the default (i.e. ``http:/\/localhost:8545``) is used
and if no network is specified, it will be determined automatically by
querying the node.
_note: Note: Connecting to a Local Node
Each node implementation is slightly different and may require specific
command-line flags, configuration or settings in their UI to enable
JSON-RPC, unlock accounts or expose specific APIs. Please consult
their documentation.
_property: jsonRpcProvider.getSigner([ addressOrIndex ]) => [[JsonRpcSigner]] @<JsonRpcProvider-getSigner> @SRC<providers/json-rpc-provider>
Returns a [[JsonRpcSigner]] which is managed by this Ethereum node, at
//addressOrIndex//. If no //addressOrIndex// is provided, the first
account (account #0) is used.
_property: jsonRpcProvider.getUncheckedSigner([ addressOrIndex ]) => [[UncheckedJsonRpcSigner]] @<JsonRpcProvider-getUncheckedSigner> @SRC<providers/json-rpc-provider>
_property: jsonRpcProvider.listAccounts() => Array<string> @<JsonRpcProvider-listAccounts> @SRC<providers/json-rpc-provider>
Returns a list of all account addresses managed by this provider.
_property: jsonRpcProvider.send(method, params) => Promise<any> @<JsonRpcProvider-send> @SRC<providers/json-rpc-provider>
Allows sending raw messages to the provider.
This can be used for backend-specific calls, such as for debugging or
specific account management.
_subsection: JsonRpcSigner @<JsonRpcSigner> @INHERIT<[[Signer]]> @SRC<providers:class.JsonRpcSigner>
A **JsonRpcSigner** is a simple Signer which is backed by a connected
[[JsonRpcProvider]].
_property: signer.provider => [[JsonRpcProvider]]
The provider this signer was established from.
_property: signer.connectUnchecked() => [[UncheckedJsonRpcSigner]] @<JsonRpcSigner-connectUnchecked> @SRC<providers>
Returns a new Signer object which does not perform additional checks when
sending a transaction. See [getUncheckedSigner](JsonRpcProvider-getUncheckedSigner) for more details.
_property: signer.sendUncheckedTransaction(transaction) => Promise<string<[[DataHexString]]\<32>\>> @<JsonRpcSigner-sendUncheckedTransaction> @SRC<providers>
Sends the //transaction// and returns a Promise which resolves to the
opaque transaction hash.
_property: signer.unlock(password) => Promise<boolean> @<JsonRpcSigner-unlock> @SRC<providers>
Request the node unlock the account (if locked) using //password//.
_subsection: JsonRpcUncheckedSigner @<UncheckedJsonRpcSigner> @INHERIT<[[Signer]]> @SRC<providers:class.UncheckedJsonRpcSigner>
The JSON-RPC API only provides a transaction hash as the response when a
transaction is sent, but the ethers Provider requires populating all details
of a transaction before returning it. For example, the gas price and gas limit
may be adjusted by the node or the nonce automatically included, in which case
the opaque transaction hash has discarded this.
To remedy this, the [[JsonRpcSigner]] immediately queries the provider for
the details using the returned transaction hash to populate the [[providers-TransactionResponse]]
object.
Some backends do not respond immediately and instead defer releasing the
details of a transaction it was responsible for signing until it is mined.
The **UncheckedSigner** does not populate any additional information and will
immediately return the result as a mock [[providers-TransactionResponse]]-like
object, with most of the properties set to null, but allows access to the
transaction hash quickly, if that is all that is required.
_subsection: Node-Specific Methods @<JsonRpcProvider--other>
Many methods are less common or specific to certain Ethereum Node implementations
(e.g. [Parity](link-parity) vs [Geth](link-geth). These include account and admin management,
debugging, deeper block and transaction exploration and other services (such as
Swarm and Whisper).
The [jsonRpcProvider.send](JsonRpcProvider-send) method can be used to access these.
- [All JSON-RPC methods](link-json-rpc) (including the less common methods) which most
Ethereum Nodes support.
- [Parity's Trace Module](link-parity-trace) can be used to trace and debug EVM
execution of a transaction (requires custom configuration)
- [Geth's Debug Module](link-geth-debug) can be used to debug transactions and
internal cache state, etc.
- [Additional Geth Methods](link-geth-rpc)
- [Additional Parity Methods](link-parity-rpc)

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_section: Other Providers
Others...
_subsection: FallbackProvider @<FallbackProvider> @INHERIT<[[Provider]]> @SRC<providers/fallback-provider:class.FallbackProvider>
The **FallbackProvider** is the most advanced [[Provider]] available in
ethers.
It uses a quorum and connects to multiple [Providers](Provider) as backends,
each configured with a //priority// and a //weight// .
When a request is made, the request is dispatched to multiple backends, randomly
choosen (higher prioirty backends are always selected first) and the results from
each are compared against the others. Only once the quorum has been reached will that
result be accepted and returned to the caller.
By default the quorum requires 50% (rounded up) of the backends to agree. The //weight//
can be used to give a backend Provider more influence.
_property: new ethers.providers.FallbackProvider(providers [ , quorum ])
Creates a new instance of a FallbackProvider connected to //providers//. If
quorum is not specified, half of the total sum of the provider weights is
used.
The //providers// can be either an array of [[Provider]] or [[FallbackProviderConfig]].
If a [[Provider]] is provided, the defaults are a priority of 1 and a weight of 1.
_property: provider.providerConfigs => Array<[[FallbackProviderConfig]]>
The list of Provider Configurations that describe the backends.
_property: provider.quorum => number
The quorum the backend responses must agree upon before a result will be
resolved. By default this is //half the sum of the weights//.
_heading: FallbackProviderConfig @<FallbackProviderConfig>
_property: fallbackProviderConfig.provider => [[Provider]]
The provider for this configuration.
_property: fallbackProviderConfig.priority => number
The priority used for the provider. Higher priorities are favoured over lower
priorities. If multiple providers share the same prioirty, they are choosen
at random.
_property: fallbackProviderConfig.stallTimeout => number
The timeout (in ms) after which another [[Provider]] will be attempted. This
does not affect the current Provider; if it returns a result it is counted
as part of the quorum.
Lower values will result in more network traffic, but may reduce the response
time of requests.
_property: fallbackProviderConfig.weight => number
The weight a response from this provider provides. This can be used if a given
[[Provider]] is more trusted, for example.
_subsection: IpcProvider @<IpcProvider> @INHERIT<[[JsonRpcProvider]]> @SRC<providers:class.IpcProvider>
The **IpcProvider** allows the JSON-RPC API to be used over a local
filename on the file system, exposed by Geth, Parity and other nodes.
This is only available in //node.js// (as it requires file system access,
and may have additional complications due to file permissions. See any
related notes on the documentation for the actual node implementation websites.
_property: ipcProvider.path => string
The path this [[Provider]] is connected to.
_subsection: UrlJsonRpcProvider @<UrlJsonRpcProvider> @INHERIT<[[JsonRpcProvider]]> @SRC<providers:class.UrlJsonRpcProvider>
This class is intended to be sub-classed and not used directly. It
simplifies creating a [[Provider]] where a normal [[JsonRpcProvider]]
would suffice, with a little extra effort needed to generate the JSON-RPC
URL.
_property: new ethers.providers.UrlJsonRpcProvider([ network [ , apiKey ] ])
Sub-classes do not need to override this. Instead they should override the
static method ``getUrl`` and optionally ``getApiKey``.
_property: urlJsonRpcProvider.apiKey => any
The value of the apiKey that was returned from ``InheritedClass.getApiKey``.
_property: InheritingClass.getApiKey(apiKey) => any
This function should examine the //apiKey// to ensure it is valid and
return a (possible modified) value to use in ``getUrl``.
_property: InheritingClass.getUrl(network, apiKey) => string
The URL to use for the JsonRpcProvider instance.
_subsection: Web3Provider @<Web3Provider> @INHERIT<[[JsonRpcProvider]]> @SRC<providers:class.Web3Provider>
The Web3Provider is meant to ease moving from a [web3.js based](link-web3)
application to ethers by wraping an existing Web3-compatible (such as a
[Web3HttpProvider](link-web3-http), [Web3IpcProvider](link-web3-ipc) or
[Web3WsProvider](link-web3-ws)) and exposing it as an ethers.js [[Provider]]
which can then be used with the rest of the library.
This may also be used to wrap a standard [EIP-1193 Provider](link-eip-1193].
_property: new ethers.providers.Web3Provider(externalProvider [, network ])
Create a new **Web3Provider**, which wraps an [EIP-1193 Provider](link-eip-1193) or
Web3Provider-compatible Provider.
_property: web3Provider.provider => Web3CompatibleProvider
The provider used to create this instance.
_heading: ExternalProvider @<Web3Provider--ExternalProvider>
An **ExternalProvider** can be either one for the above mentioned Web3
Providers (or otherwise compatible) or an [[link-eip-1193]] provider.
An ExternalProvider must offer one of the following signatures, and the
first matching is used:
_property: externalProvider.request(request) => Promise<any>
This follows the [[link-eip-1193]] API signature.
The //request// should be a standard JSON-RPC payload, which should at
a minimum specify the ``method`` and ``params``.
The result should be the actual result, which differs from the Web3.js
response, which is a wrapped JSON-RPC response.
_property: externalProvider.sendAsync(request, callback) => void
This follows the [Web3.js Provider Signature](link-web3-send).
The //request// should be a standard JSON-RPC payload, which should at
a minimum specify the ``method`` and ``params``.
The //callback// should use the error-first calling semantics, so
``(error, result)`` where the result is a JSON-RPC wrapped result.
_property: externalProvider.send(request, callback) => void
This is identical to ``sendAsync``. Historically, this used a synchronous
web request, but no current browsers support this, so its use this way
was deprecated quite a long time ago
_subsection: WebSocketProvider @<WebSocketProvider> @INHERIT<[[JsonRpcProvider]]> @SRC<providers:class.WebSocketProvider>
The **WebSocketProvider** connects to a JSON-RPC WebSocket-compatible backend
which allows for a persistent connection, multiplexing requests and pub-sub
events for a more immediate event dispatching.
The WebSocket API is newer, and if running your own infrastructure, note that
WebSockets are much more intensive on your server resourses, as they must manage
and maintain the state for each client. For this reason, many services may also
charge additional fees for using their WebSocket endpoints.
_property: new ethers.provider.WebSockerProvider([ url [ , network ] ])
Returns a new [[WebSocketProvider]] connected to //url// as the //network//.
If //url// is unspecified, the default ``"ws:/\/localhost:8546"`` will be used.
If //network// is unspecified, it will be queried from the network.

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_section: Provider @<Provider>
Explain what a provider is...
_subsection: Accounts Methods @<Provider--account-methods>
_property: provider.getBalance(address [ , blockTag = latest ]) => Promise<[[BigNumber]]> @<Provider-getBalance> @SRC<providers/base-provider>
Returns the balance of //address// as of the //blockTag// block height.
_property: provider.getCode(address [ , blockTag = latest ]) => Promise<string<[[DataHexString]]>> @<Provider-getCode> @SRC<providers/base-provider>
Returns the contract code of //address// as of the //blockTag// block height. If there is
no contract currently deployed, the result is ``0x``.
_property: provider.getStorageAt(addr, pos [ , blockTag = latest ]) => Promise<string<[[DataHexString]]>> @<Provider-getStorageAt> @SRC<providers/base-provider>
Returns the ``Bytes32`` value of the position //pos// at address //addr//, as of the //blockTag//.
_property: provider.getTransactionCount(address [ , blockTag = latest ]) => Promise<number> @<Provider-getTransactionCount> @SRC<providers/base-provider>
Returns the number of transactions //address// has ever **sent**, as of //blockTag//.
This value is required to be the nonce for the next transaction from //address//
sent to the network.
_code: Account Examples @lang<javascript>
// Get the balance for an account...
provider.getBalance("ricmoo.firefly.eth");
//!
// Get the code for a contract...
provider.getCode("registrar.firefly.eth");
//!
// Get the storage value at position 0...
provider.getStorageAt("registrar.firefly.eth", 0)
//!
// Get transaction count of an account...
provider.getTransactionCount("ricmoo.firefly.eth");
//!
_subsection: Blocks Methods @<Provider--block-methods>
_property: provider.getBlock(block) => Promise<[[providers-Block]]> @<Provider-getBlock> @SRC<providers/base-provider>
Get the //block// from the network, where the ``result.transactions`` is a list
of transaction hashes.
_property: provider.getBlockWithTransactions(block) => Promise<[[providers-BlockWithTransactions]]> @<Provider-getBlockWithTransactions> @SRC<providers/base-provider>
Get the //block// from the network, where the ``result.transactions`` is
an Array of [[providers-TransactionResponse]] objects.
_code: Block Examples @lang<javascript>
provider.getBlock(100004)
//!
provider.getBlockWithTransactions(100004)
//!
_subsection: Ethereum Naming Service (ENS) Methods @<Provider--ens-methods>
The [Ethereum Naming Service](link-ens) (ENS) allows a short and
easy-to-remember ENS Name to be attached to any set of keys
and values.
One of the most common uses for this is to use a simple name to
refer to an [Ethereum Address](address).
In the ethers API, nearly anywhere that accepts an address, an
ENS name may be used instead, which can simplify code and make
reading and debugging much simpler.
The provider offers some basic operations to help resolve and
work with ENS names.
_property: provider.lookupAddress(address) => Promise<string> @<Provider-lookupAddress> @SRC<providers/base-provider>
Performs a reverse lookup of the //address// in ENS using the
//Reverse Registrar//. If the name does not exist, or the
forward lookup does not match, ``null`` is returned.
_property: provider.resolveName(name) => Promise<string<[Address](address)>> @<Provider-ResolveName> @SRC<providers/base-provider>
Looks up the address of //name//. If the name is not owned, or
does not have a //Resolver// configured, or the //Resolver// does
not have an address configured, ``null`` is returned.
_code: ENS Examples @lang<javascript>
// Reverse lookup of an ENS by address...
provider.lookupAddress("0x6fC21092DA55B392b045eD78F4732bff3C580e2c");
//!
// Lookup an address of an ENS name...
provider.resolveName("ricmoo.firefly.eth");
//!
_subsection: Logs Methods @<Provider--log-methods>
_property: provider.getLogs(filter) => Promise<Array<[[providers-Log]]>> @<Provider-getLogs> @SRC<providers/base-provider>
Returns the Array of [[providers-Log]] matching the //filter//.
Keep in mind that many backends will discard old events, and that requests
which are too broad may get dropped as they require too many resources to
execute the query.
_subsection: Network Status Methods @<Provider--network-methods>
_property: provider.getNetwork() => Promise<[[providers-Network]]> @<Provider-getNetwork> @SRC<providers/base-provider:method.BaseProvider.getNetwork>
Returns the [[providers-Network]] this Provider is connected to.
_property: provider.getBlockNumber() => Promise<number> @<Provider-getBlockNumber> @SRC<providers/base-provider>
Returns the block number (or height) of the most recently mined block.
_property: provider.getGasPrice() => Promise<[[BigNumber]]> @<Provider-getGasPrice> @SRC<providers/base-provider>
Returns a //best guess// of the [[gas-price]] to use in a transaction.
_code: Network Status Examples @lang<javascript>
// The network information
provider.getNetwork()
// <hide>
//!
network = utils.shallowCopy(_)
delete network._defaultProvider
network
// </hide>
//!
// The current block number
provider.getBlockNumber()
//!
// Get the current suggested gas price (in wei)...
gasPrice = await provider.getGasPrice()
//! async gasPrice
// ...often this gas price is easier to understand or
// display to the user in gwei (giga-wei, or 1e9 wei)
utils.formatUnits(gasPrice, "gwei")
//!
_subsection: Transactions Methods @<Provider--transaction-methods>
_property: provider.call(transaction [ , blockTag = latest ]) => Promise<string<[[DataHexString]]>> @<Provider-call> @SRC<providers/base-provider>
Returns the result of executing the //transaction//, using //call//. A call
does not require any ether, but cannot change any state. This is useful
for calling gettings on Contracts.
_property: provider.estimateGas(transaction) => Promise<[[BigNumber]]> @<Provider-estimateGas> @SRC<providers/base-provider>
Returns an estimate of the amount of gas that would be required to submit //transaction//
to the network.
An estimate may not be accurate since there could be another transaction
on the network that was not accounted for, but after being mined affected
relevant state.
_property: provider.sendTransaction(transaction) => Promise<[[providers-TransactionResponse]]> @<Provider-sendTransaction> @SRC<providers/base-provider>
Submits //transaction// to the network to be mined. The //transaction// **must** be signed,
and be valid (i.e. the nonce is correct and the account has sufficient balance to pay
for the transaction).
_property: provider.waitForTransaction(hash [ , confirms = 1 [ , timeout ] ]) => Promise<[TxReceipt](providers-TransactionReceipt)> @<Provider-waitForTransaction> @SRC<providers/base-provider>
Returns a Promise which will not resolve until //transactionHash// is mined.
_subsection: Event Emitter Methods @<Provider--event-methods>
Explain events here...
_property: provider.on(eventName, listener) => this @<Provider-on> @SRC<providers/base-provider>
Add a //listener// to be triggered for each //eventName//.
_property: provider.once(eventName, listener) => this @<Provider-once> @SRC<providers/base-provider>
Add a //listener// to be triggered for only the next //eventName//,
at which time it be removed.
_property: provider.emit(eventName, ...args) => boolean @<Provider-emit> @SRC<providers/base-provider>
Notify all listeners of //eventName//, passing //args// to each listener. This
is generally only used internally.
_property: provider.off(eventName [ , listener ]) => this @<Provider-off> @SRC<providers/base-provider>
Remove a //listener// for //eventName//. If no //listener// is provided,
all listeners for //eventName// are removed.
_property: provider.removeAllListeners([ eventName ]) => this @<Provider-removeAllListeners> @SRC<providers/base-provider>
Remove all the listeners for //eventName//. If no //eventName// is provided,
**all** events are removed.
_property: provider.listenerCount([ eventName ]) => number @<Provider-listenerCount> @SRC<providers/base-provider>
Returns the number of listeners for //eventName//. If no //eventName// is
provided, the total number of listeners is returned.
_property: provider.listeners(eventName) => Array<Listener> @<Provider-listeners> @SRC<providers/base-provider>
Returns the list of Listeners for //eventName//.
_heading: Events @<Provider--events>
Any of the following may be used as the //eventName// in the above methods.
_definition: **Log Filter**
A filter is an object, representing a contract log Filter, which has the optional
properties ``address`` (the source contract) and ``topics`` (a topic-set to match).
If ``address`` is unspecified, the filter matches any contract address.
See events for more information on how to specify topic-sets.
_definition: **Topic-Set Filter**
The value of a **Topic-Set Filter** is a array of Topic-Sets.
This event is identical to a //Log Filter// with the address omitted (i.e. from
any contract).
_definition: **Transaction Filter**
The value of a **Transaction Filter** is any transaction hash.
This event is emitted on every block that is part of a chain that
includes the given mined transaction. It is much more common that the
[once](Provider-once) method is used than the [on](Provider-on) method.
_null:
In addition to transaction and filter events, there are several named
events.
_table: Named Provider Events @style<full>
$Block: emitted when a new block is mined
$Error: emitted on any error
$Pending: emitted when a new transaction enters the memory pool; only
certain providers offer this event and may require
running your own node for reliable results
$WillPoll: emitted prior to a polling loop is about to begin;
//(very rarely used by most developers)//
$DidPoll: emitted after all events from a polling loop are emitted;
//(very rarely used by most developers)//
$Poll: emitted during each poll cycle after `blockNumber` is updated
(if changed) and before any other events (if any) are emitted
during the poll loop;
//(very rarely used by most developers)//
$Debug: each Provider may use this to emit useful debugging information
and the format is up to the developer;
//(very rarely used by most developers)//
| **Event Name** | **Arguments** <| **Description** <<<|
| ``"block"`` | //blockNumber// <| $Block <<<|
| ``"error"`` | //error// <| $Error <<<|
| ``"pending"`` | //pendingTransaction// <| $Pending <<<|
| ``"willPoll"`` | //pollId// <| $WillPoll <<<|
| ``"poll"`` | //pollId//, //blockNumber// <| $Poll <<<|
| ``"didPoll"`` | //pollId// <| $DidPoll <<<|
| ``"debug"`` | provider dependent <| $Debug <<<|
_code: Events Example @lang<javascript>
// <hide>
const txHash = utils.id("dummy-data");
const myAddress = ethers.constants.HashZero;
const myOtherAddress = ethers.constants.HashZero;
// </hide>
provider.on("block", (blockNumber) => {
// Emitted on every block change
})
provider.once(txHash, (transaction) => {
// Emitted when the transaction has been mined
})
// This filter could also be generated with the Contract or
// Interface API. If address is not specified, any address
// matches and if topics is not specified, any log matches
filter = {
address: "dai.tokens.ethers.eth",
topics: [
utils.id("Transfer(address,address,uint256")
]
}
provider.on(filter, (log, event) => {
// Emitted whenever a DAI token transfer occurs
})
// Notice this is an array of topic-sets and is identical to
// using a filter with no address (i.e. match any address)
topicSets = [
utils.id("Transfer(address,address,uint256"),
null,
[
myAddress,
myOtherAddress
]
]
provider.on(topicSets, (log, event) => {
// Emitted any token is sent TO either address
})
provider.on("pending", (tx) => {
// Emitted when any new pending transaction is noticed
});
provider.on("error", (tx) => {
// Emitted when any error occurs
});
// <hide>
// Make sure our documentation builds without waiting forever
provider.removeAllListeners()
// </hide>
_subsection: Inspection Methods @<Provider--inspection-methods>
_property: Provider.isProvider(object) => boolean @<Provider-isProvider> @SRC<abstract-provider>
Returns true if and only if //object// is a Provider.

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@@ -0,0 +1,301 @@
_section: Types
_subsection: BlockTag @<providers-BlockTag>
A **BlockTag** specifies a specific location in the Blockchain.
- **``"latest"``** -- The most recently mined block
- **``"earliest"``** -- Block #0
- **``"pending"``** -- The block currently being prepared for mining; not all
operations and backends support this BlockTag
- **//number//** -- The block at this height
- **//a negative number//** -- The block this many blocks ago
_heading: EventType @<providers-EventType>
And **EventType** can be any of the following.
- **//string//** -- TODO...
- **//Array<string<[[DataHexString]]<32>> | Array<string<[[DataHexString]]<32>>>>//** -- TODO...
- **//[[providers-EventFilter]]//** -- TODO...
_subsection: Network @<providers-Network>
A **Network** represents an Etherem network.
_property: network.name => string
The human-readable name of the network, such as ``homestead``. If the network
name is unknown, this will be ``"unknown"``.
_property: network.chainId => number
The Chain ID of the network.
_property: network.ensAddress => string<[[address]]>
The address at which the ENS registry is deployed on this network.
_subsection: Block @<providers-Block>
_property: block.hash => string<[[DataHexString]]<32>>
The hash of this block.
_property: block.parentHash => string<[[DataHexString]]<32>>
The hash of the previous block.
_property: block.number => number
The height (number) of this block.
_property: block.timestamp => number
The timestamp of this block.
_property: block.nonce => string<[[DataHexString]]>
The nonce used as part of the proof-of-work to mine this block.
This property is generally of little interest developers.
_property: block.difficulty => number
The difficulty target required to be met by the miner of the block.
This property is generally of little interest developers.
_property: block.gasLimit => [[BigNumber]]
The maximum amount of gas that this block was permitted to use. This
is a value that can be voted up or voted down by miners and is used
to automatically adjust the bandwidth requirements of the network.
This property is generally of little interest developers.
_property: block.gasUsed => [[BigNumber]]
The total amount of gas used by all transactions in this block.
_property: block.miner => string
The coinbase address of this block, which indicates the address the
miner that mined this block would like the subsidy reward to go to.
_property: block.extraData => string
This is extra data a miner may choose to include when mining a block.
This property is generally of little interest developers.
_heading: Block (with transaction hashes)
Often only the hashes of the transactions included in a block are needed,
so by default a block only contains this information, as it is
substantially less data.
_property: block.transactions => Array<string<[[DataHexString]]<32>>>
A list of the transactions hashes for each transaction this block
includes.
_heading: BlockWithTransactions @<providers-BlockWithTransactions> @INHERIT<[Block](providers-Block)>
If all transactions for a block are needed, this object instead includes
the full details on each transaction.
_property: block.transactions => Array<[[providers-TransactionResponse]]>
A list of the transactions this block includes.
_subsection: Events and Logs
_heading: EventFilter @<providers-EventFilter>
_property: filter.address => string<[[address]]>
The address to filter by, or ``null`` to match any address.
_property: filter.topics => Array<string<[[DataHexString]]<32>> | Array<string<[[DataHexString]]<32>>>>
The topics to filter by, or ``null`` to match any topics. Each entry represents an
**AND** condition that must match, or may be ``null`` to match anything. If a given
entry is an Array, then that entry is treated as an **OR** for any value in the entry.
_heading: Filter @<providers-Filter> @INHERIT<[[providers-EventFilter]]>
_property: filter.fromBlock => [[providers-BlockTag]]
The starting block (inclusive) to search for logs matching the filter criteria.
_property: filter.toBlock => [[providers-BlockTag]]
The end block (inclusive) to search for logs matching the filter criteria.
_heading: FilterByBlockHash @<providers-FilterByBlockHash> @INHERIT<[[providers-EventFilter]]>
_property: filter.blockHash => string<[[DataHexString]]<32>>
The specific block (by its block hash) to search for logs matching the filter criteria.
_heading: Log @<providers-Log>
_property: log.blockNumber => number
The block height (number) of the block including the transaction of this log.
_property: log.blockHash => string<[[DataHexString]]<32>>
The block hash of the block including the transaction of this log.
_property: log.removed => boolean
During a re-org, if a transaction is orphaned, this will be set to true
to indicate the Log entry has been removed; it will likely be emitted
again in the near future when another block is mined with the transaction
that triggered this log, but keep in mind the values may change.
_property: log.transactionLogIndex => number
The index of this log in the transaction.
_property: log.address => string<[[address]]>
The address of the contract that generated this log.
_property: log.data => string<[[DataHexString]]>
The data included in this log.
_property: log.topics => Array<string<[[DataHexString]]<32> > >
The list of topics (indexed properties) for this log.
_property: log.transactionHash => string<[[DataHexString]]<32>>
The transaction hash of the transaction of this log.
_property: log.transactionIndex => number
The index of the transaction in the block of the transaction of this log.
_property: log.logIndex => number
The index of this log across all logs in the entire **block**.
_subsection: Transactions
_heading: TransactionRequest @<providers-TransactionRequest>
A transaction request describes a transaction that is to
be sent to the network or otherwise processed.
All fields are optional and may be a promise which resolves
to the required type.
_property: transactionRequest.to => string | Promise<string>
The address (or ENS name) this transaction it to.
_property: transactionRequest.from => string<[[address]]> | Promise<string<[[address]]>>
The address this transaction is from.
_property: transactionRequest.nonce => number | Promise<number>
The nonce for this transaction. This should be set to the number of
transactions ever sent **from** this address.
_property: transactionRequest.gasLimit => [[BigNumber]] | Promise<[[BigNumber]]>
The maximum amount of gas this transaction is permitted to use.
_property: transactionRequest.gasPrice => [[BigNumber]] | Promise<[[BigNumber]]>
The price (in wei) per unit of gas this transaction will pay.
_property: transactionRequest.data => [[DataHexString]] | Promise<[[DataHexString]]>
The transaction data.
_property: transactionRequest.value => [[BigNumber]] | Promise<[[BigNumber]]>
The amount (in wei) this transaction is sending.
_property: transactionRequest.chainId => number | Promise<number>
The chain ID this transaction is authorized on, as specified by
[EIP-155](link-eip-155).
If the chain ID is 0 will disable EIP-155 and the transaction will be valid
on any network. This can be **dangerous** and care should be taken, since it
allows transactions to be replayed on networks that were possibly not
intended.
_heading: TransactionResponse @<providers-TransactionResponse> @INHERIT<[[Transaction]]>
A **TransactionResponse** includes all properties of a [[Transaction]] as well as several
properties that are useful once it has been mined.
_property: transaction.blockNumber => number
The number ("height") of the block this transaction was mined in. If the block has not been mined,
this is ``null``.
_property: transaction.blockHash => string<[[DataHexString]]<32>>
The hash of the block this transaction was mined in. If the block has not been mined,
this is ``null``.
_property: transaction.timestamp => number
The timestamp of the block this transaction was mined in. If the block has not been mined,
this is ``null``.
_property: transaction.confirmations => number
The number of blocks that have been mined (including the initial block) since this
transaction was mined.
_property: transaction.raw => string<[[DataHexString]]>
The serialized transaction.
_property: transaction.wait([ confirmations = 1 ]) => Promise<[[providers-TransactionReceipt]]>
Wait for //confirmations//. If 0, and the transaction has not been mined,
``null`` is returned.
_heading: TransactionReceipt @<providers-TransactionReceipt>
_property: receipt.to => string<[[address]]>
The address this transaction is to. This is ``null`` if the the
transaction was an **init transaction**, used to deploy a contract.
_property: receipt.from => string<[[address]]>
The address this transaction is from.
_property: receipt.contractAddress => string<[[address]]>
If this transaction has a ``null`` to address, it is an **init transaction**
used to deploy a contract, in which case this is the address created by that
contract.
To compute a contract address, the [getContractAddress](utils-getContractAddress)
utility function can also be used with a [[providers-TransactionResponse]]
object, which requires the transaction nonce and the address of the sender.
_property: receipt.transactionIndex => number
The index of this transaction in the list of transactions included in
the block this transaction was mined in.
_property: receipt.root => string
The intermediate state root of a receipt.
Only transactions included in blocks **before** the [Byzantium Hard Fork](link-eip-609)
have this property, as it was replaced by the ``status`` property.
The property is generally of little use to developers. At the time
it could be used to verify a state transition with a fraud-proof
only considering the single transaction; without it the full block
must be considered.
_property: receipt.gasUsed => [[BigNumber]]
The amount of gas actually used by this transaction.
_property: receipt.logsBloom => string<[[DataHexString]]>
A [bloom-filter](link-wiki-bloomfilter), which
incldues all the addresses and topics included in any log in this
transaction.
_property: receipt.blockHash => string<[[DataHexString]]<32>>
The block hash of the block that this transaction was included in.
_property: receipt.transactionHash => string<[[DataHexString]]<32>>
The transaction hash of this transaction.
_property: receipt.logs => Array<[[providers-Log]]>
All the logs emitted by this transaction.
_property: receipt.blockNumber => number
The block height (number) of the block that this transaction was
included in.
_property: receipt.confirmations => number
The number of blocks that have been mined since this transaction,
including the actual block it was mined in.
_property: receipt.cumulativeGasUsed => [[BigNumber]]
For the block this transaction was included in, this is the sum of the
gas used used by each transaction in the ordered list of transactions
up to (and including) this transaction.
This is generally of little interest to developers.
_property: receipt.byzantium => boolean
This is true if the block is in a [post-Byzantium Hard Fork](link-eip-609)
block.
_property: receipt.status => boolean
The status of a transaction is 1 is successful or 0 if it was
reverted. Only transactions included in blocks [post-Byzantium Hard Fork](link-eip-609)
have this property.

356
docs.wrm/api/signer.wrm Normal file
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@@ -0,0 +1,356 @@
_section: Signers @<signers>
A **Signer** in //ethers// is an abstraction of an Ethereum Account,
which can be used to sign messages and transactions and send
signed transactions to the Ethereum Network to execute state
changing operations.
The available operations depends largely on the sub-class used.
For example, a Signer from MetaMask can send transactions and sign
messages but cannot sign a transaction (without broadcasting it).
The most common Signers you will encounter are:
- [[Wallet]], which is a class which knows its private key and can
execute any operations with it
- [[JsonRpcSigner]], which is connected to a [[JsonRpcProvider]] (or
sub-class) and is acquired using [getSigner](JsonRpcProvider-getSigner)
_subsection: Signer @<Signer> @SRC<abstract-signer:class.Signer>
The **Signer** class is abstract and cannot be directly instaniated.
Instead use one of the concreate sub-classes, such as the [[Wallet]],
[[VoidSigner]] or [[JsonRpcSigner]].
_property: signer.connect(provider) => [[Signer]] @<Signer-connect>
Sub-classes **must** implement this, however they may simply throw an error
if changing providers is not supported.
_property: signer.getAddress() => Promise<string<[[address]]>> @<Signer-getaddress> @SRC<abstract-signer:Signer.connect>
Returns a Promise that resolves to the account address.
This is a Promise so that a **Signer** can be designed around an
asynchronous source, such as hardware wallets.
Sub-classes **must** implement this.
_property: Signer.isSigner(object) => boolean @<Signer-isSigner> @SRC<abstract-signer>
Returns true if an only if //object// is a **Signer**.
_heading: Blockchain Methods @<Signer--blockchain-methods>
_property: signer.getBalance([ blockTag = "latest" ]) => Promise<[[BigNumber]]> @<Signer-getBalance> @SRC<abstract-signer>
Returns the balance of this wallet at //blockTag//.
_property: signer.getChainId() => Promise<number> @<Signer-getChainId> @SRC<abstract-signer>
Returns the chain ID this wallet is connected to.
_property: signer.getGasPrice() => Promise<[[BigNumber]]> @<Signer-getGasPrice> @SRC<abstract-signer>
Returns the current gas price.
_property: signer.getTransactionCount([ blockTag = "latest" ]) => Promise<number> @<Signer-getTransactionCount> @SRC<abstract-signer>
Returns the number of transactions this account has ever sent. This
is the value required to be included in transactions as the ``nonce``.
_property: signer.call(transactionRequest) => Promise<string<[[DataHexString]]>> @<Signer-call> @SRC<abstract-signer>
Returns the result of calling using the //transactionRequest//, with this
account address being used as the ``from`` field.
_property: signer.estimateGas(transactionRequest) => Promise<[[BigNumber]]> @<Signer-estimateGas> @SRC<abstract-signer>
Returns the result of estimating the cost to send the //transactionRequest//,
with this account address being used as the ``from`` field.
_property: signer.resolveName(ensName) => Promise<string<[[address]]>> @<Signer-resolveName> @SRC<abstract-signer>
Returns the address associated with the //ensName//.
_heading: Signing @<Signer--signing-methods>
_property: signer.signMessage(message) => Promise<string<[RawSignature](signature-raw)>> @<Signer-signMessage>
This returns a Promise which resolves to the [[signature-raw]]
of //message//.
Sub-classes **must** implement this, however they may throw if signing a
message is not supported, such as in a Contract-based Wallet or
Meta-Transaction-based Wallet.
_note: Note
If //message// is a string, it is **treated as a string** and
converted to its representation in UTF8 bytes.
**If and only if** a message is a [[Bytes]] will it be treated as
binary data.
For example, the string ``"0x1234"`` is 6 characters long (and in
this case 6 bytes long). This is **not** equivalent to the array
``[ 0x12, 0x34 ]``, which is 2 bytes long.
A common case is to sign a hash. In this case, if the hash is a
string, it **must** be converted to an array first, using the
[arrayify](utils-arrayify) utility function.
_null:
_property: signer.signTransaction(transactionRequest) => Promise<string<[[DataHexString]]>> @<Signer-signTransaction>
Returns a Promise which resolves to the signed transaction of the
//transactionRequest//. This method does not populate any missing fields.
Sub-classes **must** implement this, however they may throw if signing a
transaction is not supported, which is common for security reasons in many
clients.
_property: signer.sendTransaction(transactionRequest) => Promise<[[providers-TransactionResponse]]> @<Signer-sendTransaction>
This method populates the transactionRequest with missing fields, using
[populateTransaction](Signer-populateTransaction) and returns a Promise which resolves to the transaction.
Sub-classes **must** implement this, however they may throw if sending a
transaction is not supported, such as the [[VoidSigner]] or if the
Wallet is offline and not connected to a [[Provider]].
_heading: Sub-Classes @<Signer--subclassing>
It is very important that all important properties of a **Signer** are
**immutable**. Since Ethereum is very asynchronous and deals with critical
data (such as ether and other potentially valuable crypto assets), keeping
properties such as the //provider// and //address// static throughout the
life-cycle of the Signer helps prevent serious issues and many other classes
and libraries make this assumption.
A sub-class **must** extend Signer and **must** call ``super()``.
_property: signer.checkTransaction(transactionRequest) => [[providers-TransactionRequest]] @<Signer-checkTransaction> @SRC<abstract-signer>
This is generally not required to be overridden, but may needed to provide
custom behaviour in sub-classes.
This should return a **copy** of the //transactionRequest//, with any properties
needed by ``call``, ``estimateGas`` and ``populateTransaction`` (which is used
by sendTransaction). It should also throw an error if any unknown key is specified.
The default implementation checks only valid [[providers-TransactionRequest]] properties
exist and adds ``from`` to the transaction if it does not exist.
If there is a ``from`` field it **must** be verified to be equal to the Signer's address.
_property: signer.populateTransaction(transactionRequest) => Promise<[[providers-TransactionRequest]]> @<Signer-populateTransaction> @SRC<abstract-signer>
This is generally not required to be overridden, but may needed to provide
custom behaviour in sub-classes.
This should return a **copy** of //transactionRequest//, follow the same procedure
as ``checkTransaction`` and fill in any properties required for sending a transaction.
The result should have all promises resolved; if needed the [resolveProperties](utils-resolveproperties)
utility function can be used for this.
The default implementation calls ``checkTransaction`` and resolves to if it is an
ENS name, adds ``gasPrice``, ``nonce``, ``gasLimit`` and ``chainId`` based on the
related operations on Signer.
_subsection: Wallet @<Wallet> @INHERIT<[[ExternallyOwnedAccount]] and [[Signer]]> @SRC<wallet:class.Wallet>
The Wallet class inherits [[Signer]] and can sign transactions and messages
using a private key as a standard Externally Owned Account (EOA).
_property: new ethers.Wallet(privateKey [ , provider ]) @<Wallet-constructor> @SRC<wallet:constructor.Wallet>
Create a new Wallet instance for //privateKey// and optionally
connected to the //provider//.
_property: ethers.Wallet.createRandom( [ options = { } ]) => [[Wallet]] @<Wallet-createRandom> @SRC<wallet>
Returns a new Wallet with a random private key, generated from
cryptographically secure entropy sources. If the current environment
does not have a secure entropy source, an error is thrown.
Wallets created using this method will have a mnemonic.
_property: ethers.Wallet.fromEncryptedJson(json, password [ , progress ]) => Promise<[[Wallet]]> @<Wallet-fromEncryptedJson> @SRC<wallet>
Create an instance from an encrypted JSON wallet.
If //progress// is provided it will be called during decryption
with a value between 0 and 1 indicating the progress towards
completion.
_property: ethers.Wallet.fromEncryptedJsonSync(json, password) => [[Wallet]] @<Wallet-fromEncryptedJsonSync> @SRC<wallet>
Create an instance from an encrypted JSON wallet.
This operation will operate synchronously which will lock up the user
interface, possibly for a non-trivial duration. Most applications should
use the asynchronous ``fromEncryptedJson`` instead.
_property: ethers.Wallet.fromMnemonic(mnemonic [ , path, [ wordlist ] ]) => [[Wallet]] @<Wallet.fromMnemonic>
Create an instance from a mnemonic phrase.
If path is not specified, the Ethereum default path is used (i.e. ``m/44'/60'/0'/0/0``).
If wordlist is not specified, the English Wordlist is used.
_heading: Properties @<Wallet--properties>
_property: wallet.address => string<[[address]]>
The address for the account this Wallet represents.
_property: wallet.provider => [[Provider]]
The provider this wallet is connected to, which will ge used for any [[Signer--blockchain-methods]]
methods. This can be null.
_note: Note
A **Wallet** instance is immutable, so if you wish to change the Provider, you
may use the [connect](Signer-connect) method to create a new instance connected
to the desired provider.
_property: wallet.publicKey => string<[[DataHexString]]<65>>
The uncompressed public key for this Wallet represents.
_heading: Methods @<Wallet--methods>
_property: wallet.encrypt(password, [ options = { }, [ progress ] ]) => Promise<string> @<Wallet-encrypt>
Encrypt the wallet using //password// returning a Promise which resolves
to a JSON wallet.
If //progress// is provided it will be called during decryption
with a value between 0 and 1 indicating the progress towards
completion.
_code: Wallet Examples @lang<javascript>
// Create a wallet instance from a mnemonic...
mnemonic = "announce room limb pattern dry unit scale effort smooth jazz weasel alcohol"
walletMnemonic = Wallet.fromMnemonic(mnemonic)
// ...or from a private key
walletPrivateKey = new Wallet(walletMnemonic.privateKey)
walletMnemonic.address === walletPrivateKey.address
//!
// The address as a Promise per the Signer API
walletMnemonic.getAddress()
//!
// A Wallet address is also available synchronously
walletMnemonic.address
//!
// The internal cryptographic components
walletMnemonic.privateKey
//!
walletMnemonic.publicKey
//!
// The wallet mnemonic
walletMnemonic.mnemonic
//!
// Note: A wallet created with a private key does not
// have a mnemonic (the derivation prevents it)
walletPrivateKey.mnemonic
//!
// Signing a message
walletMnemonic.signMessage("Hello World")
//!
tx = {
to: "0x8ba1f109551bD432803012645Ac136ddd64DBA72",
value: utils.parseEther("1.0")
}
// Signing a transaction
walletMnemonic.signTransaction(tx)
//!
// The connect method returns a new instance of the
// Wallet connected to a provider
wallet = walletMnemonic.connect(provider)
// Querying the network
wallet.getBalance();
//!
wallet.getTransactionCount();
//!
// Sending ether
wallet.sendTransaction(tx)
// <hide>
//! error
// </hide>
_subsection: VoidSigner @<VoidSigner> @INHERIT<[[Signer]]> @SRC<abstract-signer:class.VoidSigner>
A **VoidSigner** is a simple Signer which cannot sign.
It is useful as a read-only signer, when an API requires a
Signer as a parameter, but it is known only read-only operations
will be carried.
For example, the ``call`` operation will automatically have the
provided address passed along during the execution.
_property: new ethers.VoidSigner(address [ , provider ]) => [[VoidSigner]]
Create a new instance of a **VoidSigner** for //address//.
_property: voidSigner.address => string<[[address]]>
The address of this **VoidSigner**.
_code: VoidSigner Pre-flight Example @lang<javascript>
address = "0x8ba1f109551bD432803012645Ac136ddd64DBA72"
signer = new ethers.VoidSigner(address, provider)
// The DAI token contract
abi = [
"function balanceOf(address) view returns (uint)",
"function transfer(address, uint) returns (bool)"
]
contract = new ethers.Contract("dai.tokens.ethers.eth", abi, signer)
// <hide>
//!
// </hide>
// Get the number of tokens for this account
tokens = await contract.balanceOf(signer.getAddress())
//! async tokens
//
// Pre-flight (check for revert) on DAI from the signer
//
// Note: We do not have the private key at this point, this
// simply allows us to check what would happen if we
// did. This can be useful to check before prompting
// a request in the UI
//
// This will pass since the token balance is available
contract.callStatic.transfer("donations.ethers.eth", tokens)
//!
// This will fail since it is greater than the token balance
contract.callStatic.transfer("donations.ethers.eth", tokens.add(1))
//! error
_subsection: ExternallyOwnedAccount @<ExternallyOwnedAccount>
This is an interface which contains a minimal set of properties
required for Externally Owned Accounts which can have certain
operations performed, such as encoding as a JSON wallet.
_property: eoa.address => string<[[address]]>
The [[address]] of this EOA.
_property: eoa.privateKey => string<[[DataHexString]]<32>>
The privateKey of this EOA
_property: eoa.mnemonic => [[Mnemonic]]
//Optional//. The account HD mnemonic, if it has one and can be
determined. Some sources do not encode the mnemonic, such as an
HD extended keys.

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_section: AbiCoder @<AbiCoder> @SRC<abi:class.AbiCoder>
The **AbiCoder** is a collection of Coders which can be used to
encode and decode the binary data formats used to interoperate
between the EVM and higher level libraries.
Most developers will never need to use this class directly, since
the [[Interface]] class greatly simplifies these operations.
_subsection: Creating Instance @<AbiCoder--creating>
For the most part, there should never be a need to manually create
an instance of an [[AbiCoder]], since one is created with the
default coersion function when the library is loaded which can
be used universally.
This is likely only needed by those with specific needs to override
how values are coerced after they are decoded from their binary format.
_property: new ethers.utils.AbiCoder([coerceFunc]) @SRC<abi:constructor.AbiCoder>
Create a new AbiCoder instance, which will call the //coerceFunc// on every
decode, where the result of the call will be used in the Result.
The function signature is `(type, value)`, where the //type// is the string
describing the type and the //value// is the processed value from the underlying
Coder.
If the callback throws, the Result will contain a property that when accessed will
throw, allowing for higher level libraries to recover from data errors.
_property: ethers.utils.defaultAbiCoder => [[AbiCoder]]
An [[AbiCoder]] created when the library is imported which is used by
the [[Interface]].
_subsection: Coding Methods @<AbiCoder--methods>
_property: abiCoder.encode(types, values) => string<[[DataHexString]]> @<AbiCoder-encode> @SRC<abi/abi-coder>
Encode the array //values// according the array of //types//, each of which may be a
string or a [[ParamType]].
_property: abiCoder.decode(types, data) => [[Result]] @<AbiCoder-decode> @SRC<abi/abi-coder>
Decode the //data// according to the array of //types//, each of which may be a
string or [[ParamType]].

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_section: ABI Formats @<abi-formats>
@TODO: Expand this section
_subsection: Human-Readable ABI @<abi-formats--human-readable-abi>
See [Human-Readable Abi](link-ricmoo-humanreadableabi).
_subsection: Solidity JSON ABI @<abi-formats--solidity>
See [Solidity compiler](link-solc-output).

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_section: Fragments @<fragments>
Explain an ABI.
_subsection: Formats
_heading: JSON String ABI (Solidity Output JSON)
The **JSON ABI Format** is the format that is
[output from the Solidity compiler](link-solc-output).
A JSON serialized object is always a string, which represents an Array
of Objects, where each Object has various properties describing the [[Fragment]] of the ABI.
The deserialized JSON string (which is a normal JavaScript Object) may
also be passed into any function which accepts a JSON String ABI.
_heading: Humanb-Readable ABI
The Human-Readable ABI was @TODO
[article](link-ricmoo-humanreadableabi)
_heading: Output Formats @<fragments--output-formats> @SRC<abi/fragments:FormatTypes>
Each [[Fragment]] and [[ParamType]] may be output using its ``format``
method.
_property: ethers.utils.FragmentTypes.full => string
This is a full human-readable string, including all parameter names, any
optional modifiers (e.g. ``indexed``, ``public``, etc) and white-space
to aid in human readabiliy.
_property: ethers.utils.FragmentTypes.minimal => string
This is similar to ``full``, except with no unnecessary whitespace or parameter
names. This is useful for storing a minimal string which can still fully
reconstruct the original Fragment using [Fragment&thinsp;.&thinsp;from](Fragment-from).
_property: ethers.utils.FragmentTypes.json => string
This returns a JavaScript Object which is safe to call ``JSON.stringify``
on to create a JSON string.
_property: ethers.utils.FragmentTypes.sighash => string
This is a minimal output format, which is used by Solidity when computing a
signature hash or an event topic hash.
_warning: Note
The ``sighash`` format is **insufficient** to re-create the original [[Fragment]],
since it discards modifiers such as indexed, anonymous, stateMutability, etc.
_subsection: Fragment @<Fragment> @SRC<abi/fragments:class.Fragment>
An ABI is a collection of **Fragments**, where each fragment specifies:
- An [Event](EventFragment)
- A [Function](FunctionFragment)
- A [Constructor](ConstructorFragment)
_heading: Properties
_property: fragment.name => string
This is the name of the Event or Function. This will be null for
a [[ConstructorFragment]].
_property: fragment.type => string
This is a string which indicates the type of the [[Fragment]]. This
will be one of:
- ``constructor``
- ``event``
- ``function``
_property: fragment.inputs => Array<[[ParamType]]>
This is an array of of each [[ParamType]] for the input parameters to
the Constructor, Event of Function.
_heading: Methods
_property: ethers.utils.Fragment.from(objectOrString) => [[Fragment]] @<Fragment-from> @SRC<abi/fragments:Fragment.from>
Returns a
_property: ethers.utils.Fragment.isFragment(object) => boolean @<Fragment-isFragment> @SRC<abi/fragments:Fragment.isFragment>
Tra lal al
_subsection: ConstructorFragment @<ConstructorFragment> @INHERIT<[[Fragment]]> @SRC<abi/fragments:class.ConstructorFragment>
_heading: Properties
_property: fragment.gas => [[BigNumber]]
This is the gas limit that should be used during deployment. It may be
null.
_property: fragment.payable => boolean
This is whether the constructor may receive ether during deployment as
an endowment (i.e. msg.value != 0).
_property: fragment.stateMutability => string
This is the state mutability of the constructor. It can be any of:
- ``nonpayable``
- ``payable``
_heading: Methods
_property: ethers.utils.ConstructorFragment.from(objectOrString) => [[ConstructorFragment]] @<ConstructorFragment-from> @SRC<abi/fragments:ConstructorFragment.from>
Tra la la...
_property: ethers.utils.ConstructorFragment.isConstructorFragment(object) => boolean @<ConstructorFragment-isConstructorFragment> @SRC<abi/fragments:ConstructorFragment.isConstructorFragment>
Tra lal al
_subsection: EventFragment @<EventFragment> @INHERIT<[[Fragment]]> @SRC<abi/fragments:class.EventFragment>
_heading: Properties
_property: fragment.anonymous => boolean
This is whether the event is anonymous. An anonymous Event does not inject its
topic hash as topic0 when creating a log.
_heading: Methods
_property: ethers.utils.EventFragment.from(objectOrString) => [[EventFragment]] @<EventFragment-from> @SRC<abi/fragments:EventFragment.from>
Tra la la...
_property: ethers.utils.EventFragment.isEventFragment(object) => boolean @<EventFragment-isEventFragment> @SRC<abi/fragments:EventFragment.isEventFragment>
Tra lal al
_subsection: FunctionFragment @<FunctionFragment> @INHERIT<[[ConstructorFragment]]> @SRC<abi/fragments:class.FunctionFragment>
_heading: Properties
_property: fragment.constant => boolean
This is whether the function is constant (i.e. does not change state). This
is true if the state mutability is ``pure`` or ``view``.
_property: fragment.stateMutability => string
This is the state mutability of the constructor. It can be any of:
- ``nonpayable``
- ``payable``
- ``pure``
- ``view``
_property: fragment.outputs => Array<[[ParamType]]>
A list of the Function output parameters.
_heading: Method
_property: ethers.utils.FunctionFragment.from(objectOrString) => [[FunctionFragment]] @<FunctionFragment-from> @SRC<abi/fragments:ConstructorFragment.from>
Tra la la...
_property: ethers.utils.FunctionFragment.isFunctionFragment(object) => boolean @<FunctionFragment-isFunctionFragment> @SRC<abi/fragments:FunctionFragment.isFunctionFragment>
Tra lal al
_subsection: ParamType @<ParamType> @SRC<abi/fragments:class.ParamType>
The following examples will represent the Solidity parameter:
``string foobar``
_heading: Properties
_property: paramType.name => string @<ParamType-name>
The local parameter name. This may be null for unnamed parameters. For example,
the parameter definition ``string foobar`` would be ``foobar``.
_property: paramType.type => string @<ParamType-type>
The full type of the parameter, including tuple and array symbols. This may be null
for unnamed parameters. For the above example, this would be ``foobar``.
_property: paramType.baseType => string @<ParamType-baseType>
The base type of the parameter. For primitive types (e.g. ``address``, ``uint256``, etc)
this is equal to [type](ParamType-type). For arrays, it will be the string ``array`` and for
a tuple, it will be the string ``tuple``.
_property: paramType.indexed => boolean @<ParamType-indexed>
Whether the parameter has been marked as indexed. This **only** applies
to parameters which are part of an [[EventFragment]].
_property: paramType.arrayChildren => [[ParamType]] @<ParamType-arrayChildren>
The type of children of the array. This is null for for any parameter
wjhich is not an array.
_property: paramType.arrayLength => number @<ParamType-arrayLength>
The length of the array, or ``-1`` for dynamic-length arrays. This is
null for parameters which is not arrays.
_property: paramType.components => Array<[[ParamType]]> @<ParamType-components>
The components of a tuple. This is null for non-tuple parameters.
_heading: Methods
Tra la la...
_property: paramType.format([ outputType = sighash ])
Tra la la...
_property: ethers.utils.ParamType.from(objectOrString) => [[ParamType]] @<ParamType-from> @SRC<abi/fragments:ParamType.from>
Tra la la...
_property: ethers.utils.ParamType.isParamType(object) => boolean @<ParamType-isParamType> @SRC<abi/fragments:ParamType.isParamType>
Tra la la...

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_section: Application Binary Interface @NAV<ABI>
An **Application Binary Interface** (ABI) is a collection of
[Fragments](Fragment) which specify how to interact with
various components of a Contract.
An [[Interface]] helps organize Fragments by type as well
as provides the functionality required to encode, decode and
work with each component.
Most developers will not require this low-level access to encoding
and decoding the binary data on the network and will most likely
use a [[Contract]] which provides a more convenient interface. Some
framework, tool developers or developers using advanced techniques
may find these classes and utilities useful.
_toc:
coder
formats
fragments
interface

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_section: Interface @<Interface> @SRC<abi/interface:class.Interface>
The **Interface** Class abstracts the encoding and decoding required
to interact with contracts on the Ethereum network.
Many of the standards organically evolved along side the [[link-solidity]]
language, which other languages have adopted to remain compatibile with
existing deployed contracts.
The EVM itself does not understand what the ABI is. It is simply an agreed
upon set of formats to encode various types of data which each contract can
expect so they can interoperate with each other.
_subsection: Creating Instances @<Interface--creating>
_property: new ethers.utils.Interface(abi) @SRC<abi/interface:constructor.Interface>
Create a new **Interface** from a JSON string or object representing
//abi//.
The //abi// may be a JSON string or the parsed Object (using JSON.parse)
which is emitted by the [Solidity compiler](link-solc-output) (or compatible languages).
The //abi// may also be a [Human-Readable Abi](link-ricmoo-humanreadableabi),
which is a format the Ethers created to simplify manually typing the ABI
into the source and so that a Contract ABI can also be referenced easily
within the same source file.
_subsection: Properties @<Interface--properties>
_property: interface.fragments => Array<[[Fragment]]>
All the [Fragments](Fragment) in the interface.
_property: interface.events => Array<[[EventFragment]]>
All the [Event Fragments](EventFragment) in the interface.
_property: interface.functions => Array<[[FunctionFragment]]>
All the [Function Fragments](FunctionFragment) in the interface.
_property: interface.deploy => [[ConstructorFragment]]
The [Constructor Fragments](ConstructorFragment) for the interface.
_subsection: Formatting @<Interface--formatting>
_property: interface.format( [ format ]) => string | Array<string> @SRC<abi/interface>
Return the formatted **Interface**. If the format type is ``json`` a
single string is returned, otherwise an Array of the human-readable
strings is returned.
_subsection: Fragment Access @<Interface--fragments>
_property: interface.getFunction(fragment) => [[FunctionFragment]] @SRC<abi/interface>
Returns the [[FunctionFragment]] for //fragment// (see [[Interface--specifying-fragments]]).
_property: interface.getEvent(fragment) => [[EventFragment]] @SRC<abi/interface>
Returns the [[EventFragment]] for //fragment// (see [[Interface--specifying-fragments]]).
_subsection: Signature and Topic Hashes @<Interface--selectors>
_property: interface.getSighash(fragment) => string<[[DataHexString]]<4>> @SRC<abi/interface:method.Interface.getSighash>
Return the sighash (or Function Selector) for //fragment// (see [[Interface--specifying-fragments]]).
_property: interface.getEventTopic(fragment) => string<[[DataHexString]]<32>> @SRC<abi/interface:method.Interface.getEventTopic>
Return the topic hash for //fragment// (see [[Interface--specifying-fragments]]).
_subsection: Encoding Data @<Interface--encoding>
_property: interface.encodeDeploy([ values ]) => string<[[DataHexString]]> @SRC<abi/interface>
Return the encoded deployment data, which can be concatenated to the
deployment bytecode of a contract to pass //values// into the contract
constructor.
_property: interface.encodeFilterTopics(fragment [ , values ]) => Array<topic | Array<topic>> @SRC<abi/interface>
Returns the encoded topic filter, which can be passed to getLogs for //fragment//
(see [[Interface--specifying-fragments]]) for the given //values//.
Each //topic// is a 32 byte (64 nibble) [[DataHexString]].
_property: interface.encodeFunctionData(fragment [ , values ]) => string<[[DataHexString]]> @SRC<abi/interface>
Returns the encoded data, which can be used as the data for a transaction for
//fragment// (see [[Interface--specifying-fragments]]) for the given //values//.
_property: interface.encodeFunctionResult(fragment [ , values ]) => string<[[DataHexString]]> @SRC<abi/interface>
Returns the encoded result, which would normally be the response from a call for
//fragment// (see [[Interface--specifying-fragments]]) for the given //values//.
Most developers will not need this method, but may be useful for authors of a mock blockchain.
_subsection: Decoding Data @<Interface--decoding>
_property: interface.decodeEventLog(fragment, data [ , topics ]) => [[Result]] @SRC<abi/interface>
Returns the decoded event values from an event log for
//fragment// (see [[Interface--specifying-fragments]]) for the given //data//
with the optional //topics//.
If //topics// is not specified, placeholders will be inserted into the result.
_property: interface.decodeFunctionData(fragment, data) => [[Result]] @SRC<abi/interface>
Returns the decoded values from transaction data for
//fragment// (see [[Interface--specifying-fragments]]) for the given //data//.
Most developers will not need this method, but may be useful for debugging
or inspecting transactions.
_property: interface.decodeFunctionResult(fragment, data) => [[Result]] @SRC<abi/interface>
Returns the decoded values from the result of a call for
//fragment// (see [[Interface--specifying-fragments]]) for the given //data//.
_subsection: Parsing @<Interface--parsing>
The functions are generally the most useful for most developers. They will
automatically search the ABI for a matching Event or Function and decode
the components as a fully specified description.
_property: interface.parseLog(log) => [[LogDescription]] @SRC<abi/interface>
Search the event that matches the //log// topic hash and parse the values
the log represents.
_property: interface.parseTransaction(transaction) => [[TransactionDescription]] @SRC<abi/interface>
Search for the function that matches the //transaction// data sighash
and parse the transaction properties.
_subsection: Types @<Interface--types>
_heading: Result @<Result> @INHERIT<Array\<any\>>
A **Result** is an array, so each value can be accessed as a positional
argument.
Additionally, if values are named, the identical object as its positional
value can be accessed by its name.
The name ``length`` is however reserved as it is part of the Array, so
any named value for this key is renamed to ``_length``. If there is a
name collision, only the first is available by its key.
_heading: LogDescription @<LogDescription>
_property: logDescription.args => [[Result]]
The values of the input parameters of the event.
_property: logDescription.eventFragment => [[EventFragment]]
The [[EventFragment]] which matches the topic in the Log.
_property: logDescription.name => string
The event name. (e.g. ``Transfer``)
_property: logDescription.signature => string
The event signature. (e.g. ``Transfer(address,address,uint256)``)
_property: logDescription.topic => string
The topic hash.
_heading: TransactionDescription @<TransactionDescription>
_property: transactionDescription.args => [[Result]]
The decoded values from the transaction data which were passed
as the input parameters.
_property: transactionDescription.functionFragment => [[FunctionFragment]]
The [[FunctionFragment]] which matches the sighash in the transaction data.
_property: transactionDescription.name => string
The name of the function. (e.g. ``transfer``)
_property: transactionDescription.sighash => string
The sighash (or function selector) that matched the transaction data.
_property: transactionDescription.signature => string
The signature of the function. (e.g. ``transfer(address,uint256)``)
_property: transactionDescription.value => [[BigNumber]]
The value from the transaction.
_subsection: Specifying Fragments @<Interface--specifying-fragments>
When specifying a fragment to any of the functions in an **Interface**,
any of the following may be used:
- The **name** of the event or function, if it is unique and non-ambiguous
within the ABI (e.g. ``transfer``)
- The **signature** of the event or function. The signature is normalized,
so, for example, ``uint`` and ``uint256`` are equivalent (e.g. ``transfer(address, uint)``)
- The **sighash** or **topichash** of the function. The sighash is often referred
to the function selector in Solidity (e.g. ``0xa9059cbb``)
- A [[Fragment]]

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_section: Addresses @<addresses>
Explain addresses,formats and checksumming here.
Also see: [constants.AddressZero](constants)
_subsection: Address Formats @<address-formats>
_heading: Address @<address>
An **Address** is a [[DataHexString]] of 20 bytes (40 nibbles), with optional
mixed case.
If the case is mixed, it is a **Checksum Address**, which uses a specific pattern
of uppercase and lowercase letters within a given address to reduce the risk
of errors introduced from typing an address or cut and paste issues.
All functions that return an Address will return a Checksum Address.
_heading: ICAP Address @<address-icap>
The **ICAP Address Format** was an early attempt to introduce a checksum
into Ethereum addresses using the popular banking industry's
[IBAN](link-wiki-iban)
format with the country code specified as **XE**.
Due to the way IBAN encodes address, only addresses that fit into 30 base-36
characters are actually compatible, so the format was adapted to support 31
base-36 characters which is large enough for a full Ethereum address, however
the preferred method was to select a private key whose address has a ``0`` as
the first byte, which allows the address to be formatted as a fully compatibly
standard IBAN address with 30 base-36 characters.
In general this format is no longer widely supported anymore, however any function that
accepts an address can receive an ICAP address, and it will be converted internally.
To convert an address into the ICAP format, see [getIcapAddress](utils-getIcapAddress).
_subsection: Converting and Verifying @<utils--address>
_property: ethers.utils.getAddress(address) => string<[[address]]> @<utils-getAddress> @SRC<address>
Returns //address// as a Checksum Address.
If //address// is an invalid 40-nibble [[HexString]] or if it contains mixed case and
the checksum is invalid, an InvalidArgument Error is thrown.
The value of //address// may be any supported address format.
_property: ethers.utils.getIcapAddress(address) => string<[IcapAddress](address-icap)> @<utils-getIcapAddress> @SRC<address>
Returns //address// as an [ICAP address](link-icap).
Supports the same restrictions as [utils.getAddress](utils-getAddress).
_property: ethers.utils.isAddress(address) => boolean @<utils-isAddress> @SRC<address>
Returns true if //address// is valid (in any supported format).
_subsection: Derivation @<utils--address-derivation>
_property: ethers.utils.computeAddress(publicOrPrivateKey) => string<[[address]]> @<utils-computeAddress> @SRC<transactions>
Returns the address for //publicOrPrivateKey//. A public key may be
compressed or uncompressed, and a private key will be converted
automatically to a public key for the derivation.
_property: ethers.utils.recoverAddress(digest, signature) => string<[[address]]> @<utils-recoverAddress> @SRC<transactions>
Use [[link-wiki-ecrecover]] to determine the address that signed //digest// to
which generated //signature//.
_subsection: Contracts Addresses @<utils--contract-addresses>
_property: ethers.utils.getContractAddress(transaction) => string<[[address]]> @<utils-getContractAddress> @SRC<address>
Returns the contract address that would result if //transaction// was
used to deploy a contract.
_property: ethers.utils.getCreate2Address(from, salt, initCodeHash) => string<[[address]]> @<utils-getCreate2Address> @SRC<address>
Returns the contract address that would result from the given
[CREATE2](link-eip-1014) call.

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_section: BigNumber @<BigNumber>
Many operations in Ethereum operation on numbers which are
[outside the range of safe values](BigNumber--notes-safenumbers) to use
in JavaScript.
A **BigNumber** is an object which safely allows mathematic operations
on numbers of any magnitude.
Most operations which need to return a value will return a **BigNumber**
and parameters which accept values will generally accept them.
_subsection: Types @<BigNumber--types>
_heading: BigNumberish @<BigNumberish>
Many functions and methods in this library take in values which
can be non-ambiguously and safely converted to a BigNumber. These
values can be sepcified as:
_definition: **//string//**
A [[HexString]] or a decimal string, either of which may
be negative.
_definition: **//BytesLike//**
A [[BytesLike]] Object, such as an Array or Uint8Array.
_definition: **//BigNumber//**
An existing [[BigNumber]] instance.
_definition: **//number//**
A number that is within the [safe range](link-js-maxsafe) for JavaScript numbers.
_definition: **//BigInt//**
A JavaScript [BigInt](link-js-bigint)
object, on environments that support BigInt.
_subsection: Creating Instances @<BigNumber--creating>
The constructor of BigNumber cannot be called directly. Instead, Use the static ``BigNumber.from``.
_property: ethers.BigNumber.from(aBigNumberish) => [[BigNumber]]
Returns an instance of a **BigNumber** for //aBigNumberish//.
_heading: Examples: @<>
_code: @lang<javascript>
// From a decimal string...
BigNumber.from("42")
//!
// From a HexString...
BigNumber.from("0x2a")
//!
// From a negative HexString...
BigNumber.from("-0x2a")
//!
// From an Array (or Uint8Array)...
BigNumber.from([ 42 ])
//!
// From an existing BigNumber...
let one1 = constants.One;
let one2 = BigNumber.from(one1)
one2
//!
// ...which returns the same instance
one1 === one2
//!
// From a (safe) number...
BigNumber.from(42)
//!
// From a ES2015 BigInt... (only on platforms with BigInt support)
BigNumber.from(42n)
//!
// Numbers outside the safe range fail:
BigNumber.from(Number.MAX_SAFE_INTEGER);
//! error
_subsection: Methods @<BigNumber--methods>
The BigNumber class is immutable, so no operations can change the value
it represents.
_heading: Math Operations
_property: BigNumber.add(otherValue) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// **+** //otherValue//.
_property: BigNumber.sub(otherValue) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// **-** //otherValue//.
_property: BigNumber.mul(otherValue) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// **&times;** //otherValue//.
_property: BigNumber.div(divisor) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// **&div;** //divisor//.
_property: BigNumber.mod(divisor) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of the **remainder** of //BigNumber// &div; //divisor//.
_property: BigNumber.pow(exponent) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// to the power of //exponent//.
_property: BigNumber.abs() => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the absolute value of //BigNumber//.
_property: BigNumber.mask(bitcount) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// with bits beyond
the //bitcount// least significant bits set to zero.
_heading: Two's Compliment
[Two's Complicment](link-wiki-twoscomplement)
is an elegant method used to encode and decode fixed-width signed values
while efficiently preserving mathematic operations.
Most users will not need to interact with these.
_property: BigNumber.fromTwos(bitwidth) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// converted from twos-compliment with //bitwidth//.
_property: BigNumber.toTwos(bitwidth) => [[BigNumber]] @SRC<bignumber>
Returns a BigNumber with the value of //BigNumber// converted to twos-compliment with //bitwidth//.
_heading: Comparison and Equivalence
_property: BigNumber.eq(otherValue) => boolean @SRC<bignumber>
Returns true if and only if the value of //BigNumber// is equal to //otherValue//.
_property: BigNumber.lt(otherValue) => boolean @SRC<bignumber>
Returns true if and only if the value of //BigNumber// **<** //otherValue//.
_property: BigNumber.lte(otherValue) => boolean @SRC<bignumber>
Returns true if and only if the value of //BigNumber// **&le;** //otherValue//.
_property: BigNumber.gt(otherValue) => boolean @SRC<bignumber>
Returns true if and only if the value of //BigNumber// **>** //otherValue//.
_property: BigNumber.gte(otherValue) => boolean @SRC<bignumber>
Returns true if and only if the value of //BigNumber// **&ge;** //otherValue//.
_property: BigNumber.isZero() => boolean @SRC<bignumber:BigNumber.isZero>
Returns true if and only if the value of //BigNumber// is zero.
_heading: Conversion
_property: BigNumber.toNumber() => number @SRC<bignumber>
Returns the value of //BigNumber// as a JavaScript value.
This will **throw an error**
if the value is greater than or equal to //Number.MAX_SAFE_INTEGER// or less than or
equal to //Number.MIN_SAFE_INTEGER//.
_property: BigNumber.toString() => string @SRC<bignumber:BigNumber.toString>
Returns the value of //BigNumber// as a base-10 string.
_property: BigNumber.toHexString() => string<[[DataHexString]]> @SRC<bignumber:BigNumber.toHexString>
Returns the value of //BigNumber// as a base-16, ``0x``-prefixed [[DataHexString]].
_heading: Inspection
_property: ethers.BigNumnber.isBigNumber(object) => boolean @SRC<bignumber>
Returns true if and only if the //object// is a BigNumber object.
_heading: Examples
_code: @lang<javascript>
let a = BigNumber.from(42);
let b = BigNumber.from("91");
a.mul(b);
//!
_subsection: Notes @<BigNumber--notes>
This section is a for a couple of questions that come up frequently.
_heading: Why can't I just use numbers? @<BigNumber--notes-safenumbers>
The first problem many encounter when dealing with Ethereum is
the concept of numbers. Most common currencies are broken down
with very little granularity. For example, there are only 100
cents in a single dollar. However, there are 10^^18^^ **wei** in a
single **ether**.
JavaScript uses [IEEE 754 double-precision binary floating point](link-wiki-ieee754)
numbers to represent numeric values. As a result, there are //holes//
in the integer set after 9,007,199,254,740,991; which is
problematic for //Ethereum// because that is only around 0.009
ether (in wei), which means any value over that will begin to
experience rounding errors.
To demonstrate how this may be an issue in your code, consider:
_code: @lang<javascript>
(Number.MAX_SAFE_INTEGER + 2 - 2) == (Number.MAX_SAFE_INTEGER)
//!
_null:
To remedy this, all numbers (which can be large) are stored
and manipulated as [Big Numbers](BigNumber).
The functions [parseEther( etherString )](utils-parseEther) and
[formatEther( wei )](utils-formatEther) can be used to convert
between string representations, which are displayed to or entered
by the user and Big Number representations which can have
mathematical operations handled safely.
_heading: Why not BigNumber.js, BN.js, BigDecimal, etc?
Everyone has their own favourite Big Number library, and once someone
has choosen one, it becomes part of their identity, like their editor,
vi vs emacs. There are over 100 Big Number libraries on [npm](link-npm-query-bignumber).
One of the biggest differences between the Ethers [[BigNumber]] object and
other libraries is that it is immutable, which is very important when
dealing with the asynchronous nature of the blockchain.
Capturing the value is not safe in async functions, so immutability
protects us from easy to make mistakes, which is not possible on the
low-level library's objects which supports myriad in-place operations.
Second, the Ethers [[BigNumber]] provides all the functionality required
internally and should generally be sufficient for most developers while
not exposing some of the more advanced and rare functionality. So it will
be eaiser to swap out the underlying library without impacting consumers.
For example, if [[link-npm-bnjs]] was exposed, someone may use the
greatest-common-denominator functions, which would then be functionality
the replacing library should also provide to ensure anyone depending on
that functionality is not broken.
_heading: Why BN.js??
The reason why [[link-npm-bnjs]] is used internally as the big
number is because that is the library used by [[link-npm-elliptic]].
Therefore it **must** be included regardless, so we leverage that
library rather than adding another Big Number library, which would
mean two different libraries offering the same functionality.
This has saved about 85kb (80% of this library size) of library size
over other libraries which include separate Big Number libraries for
various purposes.
_heading: Allow us to set a global Big Number library?
Another comment that comes up frequently is tha desire to specify a
global user-defined Big Number library, which all functions would
return.
This becomes problematic since your code may live along side other
libraries or code that use Ethers. In fact, even Ethers uses a lot
of the public functions internally.
If you, for example, used a library that used ``a.plus(b)`` instead
of ``a.add(b)``, this would break Ethers when it tries to compute
fees internally, and other libraries likely have similar logic.
But, the [[BigNumber]] prototype is exposed, so you can always add a
``toMyCustomBigNumber()`` method to all [[BigNumber]]'s globally
which is safe.

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_section: Byte Manipulation
Tra la la...
_subsection: Types
_heading: Bytes @<Bytes>
A **Bytes** is any object which is an
[Array](link-js-array) or [TypedArray](link-js-typedarray) with
each value in the valid byte range (i.e. between 0 and 255 inclusive),
or is an Object with a ``length`` property where each indexed property
is in the valid byte range.
_heading: BytesLike @<BytesLike>
A **BytesLike** can be either a [[Bytes]] or a [[DataHexString]].
_heading: DataHexString @<DataHexString>
A **DataHexstring** is identical to a [[HexString]] except that it has
an even number of nibbles, and therefore is a valid representation of
binary data as a string.
_heading: HexString @<HexString>
A **Hexstring** is a string which has a ``0x`` prefix followed by any
number of nibbles (i.e. case-insensitive hexidecumal characters, ``0-9`` and ``a-f``).
_heading: Signature @<Signature>
- **r** and **s** --- The x co-ordinate of **r** and the **s** value of the signature
- **v** --- The parity of the y co-ordinate of **r**
- **_vs** --- The [compact representation](link-eip-2098) of the **s** and **v**
- **recoveryParam** --- The normalized (i.e. 0 or 1) value of **v**
_heading: Raw Signature @<signature-raw> @inherit<string\<[[DataHexString]]\<65\>\>>
A **Raw Signature** is a common Signature format where the r, s and v are
concanenated into a 65 byte (130 nibble) [[DataHexString]].
_heading: SignatureLike @<SignatureLike>
A **SignatureLike** is similar to a [[Signature]], except redundant properties
may be omitted or it may be a [[signature-raw]].
For example, if **_vs** is specified, **s** and **v** may be omitted. Likewise,
if **recoveryParam** is provided, **v** may be omitted (as in these cases the
missing values can be computed).
_subsection: Inspection
_property: ethers.utils.isBytes(object) => boolean @<utils-isBytes> @SRC<bytes>
Returns true if and only if //object// is a valid [[Bytes]].
_property: ethers.utils.isBytesLike(object) => boolean @<utils-isBytesLike> @SRC<bytes>
Returns true if and only if //object// is a [[Bytes]] or [[DataHexString]].
_property: ethers.utils.isHexString(object, [ length ] ) => boolean @<utils-isHexString> @SRC<bytes>
Returns true if and only if //object// is a valid hex string.
If //length// is specified and //object// is not a valid [[DataHexString]] of
//length// bytes, an InvalidArgument error is thrown.
_subsection: Converting between Arrays and Hexstrings
_property: ethers.utils.arrayify(DataHexStringOrArrayish [ , options ]) => Uint8Array @<utils-arrayify> @SRC<bytes>
Converts //DataHexStringOrArrayish// to a Uint8Array.
_property: ethers.utils.hexlify(hexstringOrArrayish) => string<[[DataHexString]]> @<utils-hexlify> @SRC<bytes>
Converts //hexstringOrArrayish// to a [[DataHexString]].
_property: ethers.utils.hexValue(aBigNumberish) => string<[[HexString]]> @<utils-hexValue> @SRC<bytes>
Converts //aBigNumberish// to a [[HexString]], with no __unnecessary__ leading
zeros.
_code: Examples @lang<javascript>
// Convert a hexstring to a Uint8Array
arrayify("0x1234")
//!
// Convert an Array to a hexstring
hexlify([1, 2, 3, 4])
//!
// Convert an Object to a hexstring
hexlify({ length: 2, "0": 1, "1": 2 })
//!
// Convert an Array to a hexstring
hexlify([ 1 ])
//!
// Convert a number to a stripped hex value
hexValue(1)
//!
// Convert an Array to a stripped hex value
hexValue([ 1, 2 ])
//!
_subsection: Array Manipulation
_property: ethers.utils.concat(arrayOfBytesLike) => Uint8Array @<utils-concat> @SRC<bytes>
Concatenates all the [[BytesLike]] in //arrayOfBytesLike// into a single Uint8Array.
_property: ethers.utils.stripZeros(aBytesLike) => Uint8Array @<utils-stripZeros> @SRC<bytes>
Returns a Uint8Array with all leading ``0`` bytes of //aBtyesLike// removed.
_property: ethers.utils.zeroPad(aBytesLike, length) => Uint8Array @<utils-zeroPad> @SRC<bytes>
Retutns a Uint8Array of the data in //aBytesLike// with ``0`` bytes prepended to
//length// bytes long.
If //aBytesLike// is already longer than //length// bytes long, an InvalidArgument
error will be thrown.
_subsection: Hexstring Manipulation
_property: ethers.utils.hexConcat(arrayOfBytesLike) => string<[[DataHexString]]> @<utils-hexConcat> @SRC<bytes>
Concatenates all the [[BytesLike]] in //arrayOfBytesLike// into a single [[DataHexString]]
_property: ethers.utils.hexDataLength(aBytesLike) => string<[[DataHexString]]> @<utils-hexDataLength> @SRC<bytes>
Returns the length (in bytes) of //aBytesLike//.
_property: ethers.utils.hexDataSlice(aBytesLike, offset [ , endOffset ] ) => string<[[DataHexString]]> @<utils-hexDataSlice> @SRC<bytes>
Returns a [[DataHexString]] representation of a slice of //aBytesLike//, from
//offset// (in bytes) to //endOffset// (in bytes). If //endOffset// is
omitted, the length of //aBytesLike// is used.
_property: ethers.utils.hexStripZeros(aBytesLike) => string<[[HexString]]> @<utils-hexStripZeros> @SRC<bytes>
Returns a [[HexString]] representation of //aBytesLike// with all
leading zeros removed.
_property: ethers.utils.hexZeroPad(aBytesLike, length) => string<[[DataHexString]]> @<utils-hexZeroPad> @SRC<bytes>
Returns a [[DataHexString]] representation of //aBytesLike// padded to //length// bytes.
If //aBytesLike// is already longer than //length// bytes long, an InvalidArgument
error will be thrown.
_subsection: Signature Conversion
_property: ethers.utils.joinSignature(aSignatureLike) => string<[RawSignature](signature-raw)> @<utils-joinSignature> @SRC<bytes>
Return the raw-format of //aSignaturelike//, which is 65 bytes (130 nibbles)
long, concatenating the **r**, **s** and (normalized) **v** of a Signature.
_property: ethers.utils.splitSignature(aSignatureLikeOrBytesLike) => [[Signature]] @<utils-splitSignature> @SRC<bytes>
Return the full expanded-format of //aSignaturelike// or a raw-format [[DataHexString]].
Any missing properties will be computed.
_subsection: Random Bytes
_property: ethers.utils.randomBytes(length) => Uint8Array @<utils-randomBytes> @SRC<random/index>
Return a new Uint8Array of //length// random bytes.
_property: ethers.utils.shuffled(array) => Array<any> @<utils-shuffled> @SRC<random>
Return a copy of //array// shuffled using [[link-wiki-shuffle]].
_code: Examples @lang<javascript>
utils.randomBytes(8)
//!
const data = [ 1, 2, 3, 4, 5, 6, 7 ];
// Returns a new Array
utils.shuffled(data);
//!
// The Original is unscathed...
data
//!

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_section: Constants @<constants>
The **ethers.contants** Object contains commonly used values.
_subsection: Bytes
_property: ethers.constants.AddressZero => string<[Address](address)> @<constants-AddressZero> @SRC<constants>
The Address Zero, which is 20 bytes (40 nibbles) of zero.
_property: ethers.constants.HashZero => string<[[DataHexString]]<32>> @<constants-HashZero> @SRC<constants>
The Hash Zero, which is 32 bytes (64 nibbles) of zero.
_subsection: Strings
_property: ethers.constants.EtherSymbol => string @<constants-EtherSymbol> @SRC<constants>
The Ether symbol, **&Xi;**.
_subsection: BigNumber
_property: ethers.constants.NegativeOne => [[BigNumber]] @<constants-NegativeOne> @SRC<constants>
The BigNumber value representing ``"-1"``.
_property: ethers.constants.Zero => [[BigNumber]] @<constants-Zero> @SRC<constants>
The BigNumber value representing ``"0"``.
_property: ethers.constants.One => [[BigNumber]] @<constants-One> @SRC<constants>
The BigNumber value representing ``"1"``.
_property: ethers.constants.Two => [[BigNumber]] @<constants-Two> @SRC<constants>
The BigNumber value representing ``"2"``.
_property: ethers.constants.WeiPerEther => [[BigNumber]] @<constants-WeiPerEther> @SRC<constants>
The BigNumber value representing ``"1000000000000000000"``, which is the
number of Wei per Ether.
_property: ethers.constants.MaxUint256 => [[BigNumber]] @<constants-MaxUint256> @SRC<constants>
The BigNumber value representing the maximum ``uint256`` value.

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_section: Display Logic and Input
When creating an Application, it is useful to convert between
user-friendly strings (usually displaying **ether**) and the
machine-readable values that contracts and maths depend on
(usually in **wei**).
For example, a Wallet may specify the balance in ether, and
gas prices in gwei for the User Interface, but when sending
a transaction, both must be specified in wei.
The [parseUnits](unit-conversion) will parse a string representing
ether, such as ``1.1`` into a [BigNumber](BigNumber) in wei, and is
useful when a user types in a value, such as sending 1.1 ether.
The [formatUnits](unit-conversion) will format a [BigNumberish](BigNumberish)
into a string, which is useful when displaying a balance.
_subsection: Units
_heading: Decimal Count
A **Unit** can be specified as an number, which indicates the
number of decimal places that should be used.
**Examples:**
- 1 ether in wei, has **18** decimal places (i.e. 1 ether represents 10^^18^^ wei)
- 1 bitcoin in Satoshi, has **8** decimal places (i.e. 1 bitcoin represents 10^^8^^ satoshi)
_heading: Named Units
There are also several common **Named Units**, in which case their name (as
a string) may be used.
_table: @STYLE<compact>
| **Name** | **Decimals** |
| //wei// | 0 |
| //kwei// | 3 |
| //mwei// | 6 |
| //gwei// | 9 |
| //szabo// | 12 |
| //finney// | 15 |
| //ether// | 18 |
_subsection: Functions
_heading: Formatting
_property: ethers.utils.commify(value) => string @<utils-commify> @SRC<units>
Returns a string with value grouped by 3 digits, separated by ``,``.
_heading: Conversion @<unit-conversion>
_property: ethers.utils.formatUnits(value [ , unit = "ether" ] ) => string @<utils-formatUnits> @SRC<units>
Returns a string representation of //value// formatted with //unit//
digits (if it is a number) or to the unit specified (if a string).
_property: ethers.utils.formatEther(value) => string @<utils-formatEther> @SRC<units>
The equivalent to calling ``formatUnits(value, "ether")``.
_property: ethers.utils.parseUnits(value [ , unit = "ether" ] ) => [BigNumber](BigNumber) @<utils-parseUnits> @SRC<units>
Returns a [BigNumber](BigNumber) representation of //value//, parsed with
//unit// digits (if it is a number) or from the unit specified (if
a string).
_property: ethers.utils.parseEther(value) => [BigNumber](BigNumber) @<utils-parseEther> @SRC<units>
The equivalent to calling ``parseUnits(value, "ether")``.

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_section: Encoding Utilities @<encoding>
_subsection: Base58 @<Bse58> @SRC<basex:Base58>
_property: ethers.utils.base58.decode(textData) => Uin8Array
Return a typed Uint8Array representation of //textData// decoded using
base-58 encoding.
_property: ethers.utils.base58.encode(aBytesLike) => string
Return //aBytesLike// encoded as a string using the base-58 encoding.
_subsection: Base64 @<Base64>
_property: ethers.utils.base64.decode(textData) => Uin8Array @SRC<base64>
Return a typed Uint8Array representation of //textData// decoded using
base-64 encoding.
_property: ethers.utils.base64.encode(aBytesLike) => string @SRC<base64>
Return //aBytesLike// encoded as a string using the base-64 encoding.
_subsection: Recursive-Length Prefix @<rlp--methods>
The [[link-rlp]] encoding is used throughout Ethereum to serialize nested
structures of Arrays and data.
_property: ethers.utils.RLP.encode(dataObject) => string<[[DataHexString]]> @<utils-rlpEncode> @SRC<rlp>
Encode a structured Data Object into its RLP-encoded representation.
Each Data component may be an valid [[BytesLike]].
_property: ethers.utils.RLP.decode(aBytesLike) => [DataObject](rlp--dataobject) @<utils.rlpDecode> @SRC<rlp>
Decode an RLP-encoded //aBytesLike// into its structured Data Object.
All Data components will be returned as a [[DataHexString]].
_heading: Data Object @<rlp--dataobject>
A **Data Object** is a recursive structure which is used to serialize many
internal structures in Ethereum. Each **Data Object** can either be:
- Binary Data
- An Array of **Data Objects** (i.e. this recursively includes Nesting)
_definition: **Examples**
- ``"0x1234"``
- ``[ "0x1234", [ "0xdead", "0xbeef" ], [ ] ]``

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_section: FixedNumber @<FixedNumber>
A **FixedNumber** is a fixed-width (in bits) number with an internal
base-10 divisor, which allows it to represent a decimal fractional
component.
_subsection: Creating Instances
The FixedNumber constructor cannot be called directly. There are several
static methods for creating a FixedNumber.
_property: FixedNumber.from(value [ , format = "fixed" ] ) => [[FixedNumber]] @SRC<bignumber:FixedNumber.from>
Returns an instance of a **FixedNumber** for //value// as a //format//.
_property: FixedNumber.fromBytes(aBytesLike [ , format = "fixed" ] ) => [[FixedNumber]] @SRC<bignumber>
Returns an instance of a **FixedNumber** for //value// as a //format//.
_property: FixedNumber.fromString(value [ , format = "fixed" ] ) => [[FixedNumber]] @SRC<bignumber:FixedNumber.fromString>
Returns an instance of a **FixedNumber** for //value// as a //format//. The //value// must
not contain more decimals than the //format// permits.
_property: FixedNumber.fromValue(value [ , decimals = 0 [ , format = "fixed" ] ] ) => [[FixedNumber]] @SRC<bignumber:FixedNumber.fromValue>
Returns an instance of a **FixedNumber** for //value// with //decimals// as a //format//.
_subsection: Properties
_property: fixednumber.format
The [FixedFormat](FixedFormat) of //fixednumber//.
_subsection: Methods
_heading: Math Operations
_property: fixednumber.addUnsafe(otherValue) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// **+** //otherValue//.
_property: fixednumber.subUnsafe(otherValue) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// **-** //otherValue//.
_property: fixednumber.mulUnsafe(otherValue) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// **&times;** //otherValue//.
_property: fixednumber.divUnsafe(otherValue) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// **&div;** //otherValue//.
_property: fixednumber.round([ decimals = 0 ]) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// rounded to //decimals//.
_heading: Comparison and Equivalence
_property: FixedNumber.isZero() => boolean @SRC<bignumber/fixednumber:FixedNumber.isZero>
Returns true if and only if the value of //FixedNumber// is zero.
_heading: Conversion
_property: fixednumber.toFormat(format) => [[FixedNumber]] @SRC<bignumber/fixednumber>
Returns a new FixedNumber with the value of //fixedvalue// with //format//.
_property: fixednumber.toHexString() => string @SRC<bignumber/fixednumber>
Returns a [[HexString]] representation of //fixednumber//.
_property: fixednumber.toString() => string @SRC<bignumber/fixednumber>
Returns a string representation of //fixednumber//.
_property: fixednumber.toUnsafeFloat() => float @SRC<bignumber/fixednumber>
Returns a floating-point JavaScript number value of //fixednumber//.
Due to rounding in JavaScript numbers, the value is only approximate.
_heading: Inspection
_property: FixedNumber.isFixedNumber(value) => boolean @SRC<bignumber/fixednumber>
Returns true if and only if //value// is a **FixedNumber**.
_subsection: FixedFormat @<FixedFormat>
A **FixedFormat** is a simple object which represents a decimal
(base-10) Fixed-Point data representation. Usually using this
class directly is uneccessary, as passing in a [[FixedFormat--strings]]
directly into the [[FixedNumber]] will automatically create this.
_heading: Format Strings @<FixedFormat--strings>
A format string is composed of three components, including signed-ness,
bit-width and number of decimals.
A signed format string begins with ``fixed``, which an unsigned format
string begins with ``ufixed``, followed by the width (in bits) and the
number of decimals.
The width must be conguent to 0 mod 8 (i.e. ``(width % 8) == 0``) and no
larger than 256 bits and the number of decimals must be no larger than 80.
For example:
- **fixed128x18** is signed, 128 bits wide and has 18 decimals; this is useful for most purposes
- **fixed32x0** is signed, 32 bits wide and has 0 decimals; this would be the same as a ``int32_t`` in C
- **ufixed32x0** is unsigned, 32 bits wide and has 0 decimals; this would be the same as a ``uint32_t`` in C
- **fixed** is shorthand for ``fixed128x18``
- **ufixed** is shorthand for ``ufixed128x18``
_heading: Creating Instances
_property: FixedFormat.from(value = "fixed128x18") => [[FixedFormat]] @<FixedNumber-from> @SRC<bignumber/fixednumber:FixedFormat.from>
Returns a new instance of a **FixedFormat** defined by //value//. Any valid [[FixedFormat--strings]]
may be passed in as well as any object which has any of ``signed``, ``width`` and ``decimals``
defined, including a [[FixedFormat]] object.
_heading: Properties
_property: fixedFormat.signed => boolean
The signed-ness of //fixedFormat//, true if negative values are supported.
_property: fixedFormat.width => number
The width (in bits) of //fixedFormat//.
_property: fixedFormat.decimals => number
The number of decimal points of //fixedFormat//.
_property: fixedFormat.name => string
The name of the //fixedFormat//, which can be used to recreate the format
and is the string that the Solidity language uses to represent this format.
_definition: **//"fixed"//**
A shorthand for ``fixed128x80``.

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_section: Hashing Algorithms @<hashing-algorithms>
Explain what hash functions are?
_subsection: Cryptographic Hash Functions @<cryptographic-hash-functions>
The [Cryptographic Hash Functions](link-wiki-cryptographichash)
are a specific family of hash functions.
_property: ethers.utils.id(text) => string<[[DataHexString]]<32>> @<utils-id> @SRC<hash>
The Ethereum Identity function computs the [KECCAK256](link-wiki-sha3) hash of the //text// bytes.
_property: ethers.utils.keccak256(aBytesLike) => string<[[DataHexString]]<32>> @<utils-keccak256> @SRC<keccak256>
Returns the [KECCAK256](link-wiki-sha3) digest //aBytesLike//.
_property: ethers.utils.ripemd160(aBytesLike) => string<[[DataHexString]]<20>> @<utils-ripemd160> @SRC<sha2>
Returns the [RIPEMD-160](link-wiki-ripemd) digest of //aBytesLike//.
_property: ethers.utils.sha256(aBytesLike) => string<[[DataHexString]]<32>> @<utils-sha256> @SRC<sha2:function.sha256>
Returns the [SHA2-256](link-wiki-sha2) digest of //aBytesLike//.
_property: ethers.utils.sha512(aBytesLike) => string<[[DataHexString]]<64>> @<utils-sha512> @SRC<sha2:function.sha512>
Returns the [SHA2-512](link-wiki-sha2) digest of //aBytesLike//.
_code: KECCAK256 @lang<javascript>
utils.keccak256([ 0x12, 0x34 ])
//!
utils.keccak256("0x")
//!
utils.keccak256("0x1234")
//!
// The value MUST be data, such as:
// - an Array of numbers
// - a data hex string (e.g. "0x1234")
// - a Uint8Array
// Do NOT use UTF-8 strings that are not a DataHexstring
utils.keccak256("hello world")
//! error
// If needed, convert strings to bytes first:
utils.keccak256(utils.toUtf8Bytes("hello world"))
//!
// Or equivalently use the identity function:
utils.id("hello world")
//!
// Keep in mind that the string "0x1234" represents TWO
// bytes (i.e. [ 0x12, 0x34 ]. If you wish to compute the
// hash of the 6 characters "0x1234", convert it to UTF-8
// bytes first using utils.toUtf8Bytes.
// Consider the following examples:
// Hash of TWO (2) bytes:
utils.keccak256("0x1234")
//!
// Hash of TWO (2) bytes: (same result)
utils.keccak256([ 0x12, 0x34 ])
//!
const bytes = utils.toUtf8Bytes("0x1234");
// <hide>
bytes
// </hide>
//!
// Hash of SIX (6) characters (different than above)
utils.keccak256(bytes)
//!
// Hash of SIX (6) characters (same result)
utils.id("0x1234")
//!
_code: RIPEMD160 @lang<javascript>
utils.ripemd160("0x")
//!
utils.ripemd160("0x1234")
//!
_code: SHA-2 @lang<javascript>
utils.sha256("0x")
//!
utils.sha256("0x1234")
//!
utils.sha512("0x")
//!
utils.sha512("0x1234")
//!
_subsection: HMAC @<utils--hmac>
_property: ethers.utils.computeHmac(algorithm, key, data) => string<[[DataHexString]]> @<utils-computeHmac> @SRC<sha2>
Returns the [HMAC](link-wiki-hmac) of //data// with //key//
using the [Algorithm](utils--hmac-supported-algorithm) //algorithm//.
_heading: **HMAC Supported Algorithms** @<utils--hmac-supported-algorithm> @SRC<sha2:enum.SupportedAlgorithm>
_property: ethers.utils.SupportedAlgorithm.sha256 => string
Use the [SHA2-256](link-wiki-sha2) hash algorithm.
_property: ethers.utils.SupportedAlgorithm.sha512 => string
Use the [SHA2-512](link-wiki-sha2) hash algorithm.
_code: HMAC @lang<javascript>
const key = "0x0102";
const data = "0x1234";
utils.computeHmac("sha256", key, data)
//!
_subsection: Hashing Helpers @<utils--hashing-helpers>
_property: ethers.utils.hashMessage(message) => string<[[DataHexString]]<32>> @<utils-hashMessage> @SRC<hash>
Computes the [[link-eip-191]] personal message digest of //message//. Personal messages are
converted to UTF-8 bytes and prefixed with ``\\x19Ethereum Signed Message:``
and the length of //message//.
_property: ethers.utils.namehash(name) => string<[[DataHexString]]<32>> @<utils-namehash> @SRC<hash>
Returns the [ENS Namehash](link-namehash) of //name//.
_code: Hashing Messages @lang<javascript>
// @TODO: include examples of hashMessage; it can be complex. :)
_code: Namehash @lang<javascript>
utils.namehash("")
//!
utils.namehash("eth")
//!
utils.namehash("ricmoo.firefly.eth")
//!
utils.namehash("ricmoo.xyz")
//!
_subsection: Solidity Hashing Algorithms @<utils--solidity-hashing>
When using the Solidity ``abi.packEncoded(...)`` function, a non-standard
//tightly packed// version of encoding is used. These functions implement
the tightly packing algorithm.
_property: ethers.utils.solidityPack(types, values) => string<[[DataHexString]]> @<utils-solidityPack> @SRC<solidity:pack>
Returns the non-standard encoded //values// packed according to
their respecive type in //types//.
_property: ethers.utils.solidityKeccak256(types, values) => string<[[DataHexString]]<32>> @<utils-solidityKeccak256> @SRC<solidity:keccak256>
Returns the [KECCAK256](link-wiki-sha3) of the non-standard encoded //values// packed
according to their respective type in //types//.
_property: ethers.utils.soliditySha256(types, values) => string<[[DataHexString]]<32>> @<utils-soliditySha256> @SRC<solidity:sha256>
Returns the [SHA2-256](link-wiki-sha2) of the non-standard encoded //values// packed
according to their respective type in //types//.
_code: Solidity Hashing @lang<javascript>
utils.solidityPack([ "int16", "uint48" ], [ -1, 12 ])
//!
utils.solidityPack([ "string", "uint8" ], [ "Hello", 3 ])
//!
utils.solidityKeccak256([ "int16", "uint48" ], [ -1, 12 ])
//!
utils.soliditySha256([ "int16", "uint48" ], [ -1, 12 ])
//!

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_section: HD Wallet @<hdnodes>
TODO: Explain [BIP32](link-bip-32) [BIP-39](link-bip-39) and whatnot here...
_subsection: Types
_heading: Constants @<hdnodes--defaultpath> @SRC<hdnode:defaultPath>
_property: ethers.utils.defaultPath => "m/44'/60'/0'/0/0"
The default path for Ethereum in an HD Wallet
_heading: Mnemonic @<Mnemonic>
_property: mnemonic.phrase => string
The mnemonic phrase for this mnemonic. It is 12, 15, 18, 21 or 24 words long
and separated by the whitespace specified by the ``locale``.
_property: mnemonic.path => string
The HD path for this mnemonic.
_property: mnemonic.locale => string
The language of the wordlist this mnemonic is using.
_subsection: HDNode @<HDNode> @SRC<hdnode:class.HDNode>
_heading: Creating Instances @<HDNode--creating>
_property: ethers.HDNode.fromMnemonic(phrase [, password [, wordlist ] ]) => [[HDNode]] @<HDNode-fromMnemonic> @SRC<hdnode>
Return the [[HDNode]] for //phrase// with the optional //password//
and //wordlist//.
_property: ethers.HDNode.fromSeed(aBytesLike) => [[HDNode]] @<HDNode-fromSeed> @SRC<hdnode>
Return the [[HDNode]] for the seed //aBytesLike//.
_property: ethers.HDNode.fromExtendedKey(extendedKey) => [[HDNode]] @<HDNode-fromExtendedKey> @SRC<hdnode>
Return the [[HDNode]] for the //extendedKey//. If //extendedKey// was
neutered, the **HDNode** will only be able to compute addresses and not
private keys.
_heading: Properties @<HDNode--properties>
_property: hdNode.privateKey => string<[[DataHexString]]<32>>
The private key for this HDNode.
_property: hdNode.publicKey => string<[[DataHexString]]<33>>
The (compresses) public key for this HDNode.
_property: hdNode.fingerprint => string<[[DataHexString]]<4>>
The fingerprint is meant as an index to quickly match parent and
children nodes together, however collisions may occur and software
should verify matching nodes.
Most developers will not need to use this.
_property: hdNode.parentFingerprint => string<[[DataHexString]]<4>>
The fingerprint of the parent node. See //fingerprint// for more
details.
Most developers will not need to use this.
_property: hdNode.address => string<[[address]]>
The address of this HDNode.
_property: hdNode.mnemonic => [[Mnemonic]]
The mnemonic of this HDNode, if known.
_property: hdNode.path => string
The path of this HDNode, if known. If the //mnemonic// is also known,
this will match ``mnemonic.path``.
_property: hdNode.chainCode => string<[[DataHexString]]<32>>
The chain code is used as a non-secret private key which is then used
with EC-multiply to provide the ability to derive addresses without
the private key of child non-hardened nodes.
Most developers will not need to use this.
_property: hdNode.index => number
The index of this HDNode. This will match the last component of
the //path//.
Most developers will not need to use this.
_property: hdNode.depth => number
The depth of this HDNode. This will match the number of components
(less one, the ``m/``) of the //path//.
Most developers will not need to use this.
_property: hdNode.extendedKey => string
A serialized string representation of this HDNode. Not all properties
are included in the serialization, such as the mnemonic and path, so
serializing and deserializing (using the ``fromExtendedKey`` class
method) will result in reduced information.
_heading: Methods @<HDNode--methods>
_property: hdNode.neuter() => [[HDNode]] @<HDNode-neuter> @SRC<hdnode>
Return a new instance of //hdNode// with its private key removed
but all otehr properties preserved. This ensures that the key
can not leak the private key of itself or any derived children,
but may still be used to compute the addresses of itself and
any non-hardened children.
_property: hdNode.derivePath(path) => [[HDNode]] @<HDNode-derivePath> @SRC<hdnode>
Return a new [[HDNode]] which is the child of //hdNode// found
by deriving //path//.
_subsection: Other Functions @<HDNode--utilities>
_property: ethers.utils.mnemonicToSeed(phrase [ , password]) => string<[[DataHexString]]<64>> @<utils-mnemonicToSeed> @SRC<hdnode>
Convert a mnemonic phrase to a seed, according to [BIP-39](link-bip-39).
_property: ethers.utils.mnemonicToEntropy(phrase [ , wordlist ]) => string<[[DataHexString]]> @<utils-mnemonicToEntropy> @SRC<hdnode>
Convert a mnemonic phrase to its entropy, according to [BIP-39](link-bip-39).
_property: ethers.utils.isValidMnemonic(phrase [ , wordlist ]) => boolean @<utils-isValidMnemonic> @SRC<hdnode>
Returns true if //phrase// is a valid mnemonic phrase, by
testing the checksum.

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_section: Utilities
These utilities are used extensively within the library, but
are also quite useful for application developers.
_toc:
abi
address
bignumber
bytes
constants
display-logic
encoding
fixednumber
hashing
hdnode
logger
properties
signing-key
strings
transactions
web
wordlists

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_section: Logging @<logging>
These are just a few simple logging utilities provided to simplify
and standardize the error facilities across the Ethers library.
The [[Logger]] library has zero dependencies and is intentionally
very light so it can be easily included in each library.
The [Censorship](Logger--censorship) functionality relies on one instance
of the Ethers library being included. In large bundled packages or when
``npm link`` is used, this may not be the case. If you require this
functionality, ensure that your bundling is configured properly.
_subsection: Logger @<Logger> @SRC<logger:class.Logger>
_property: new ethers.utils.Logger(version) @SRC<logger:constructor.Logger>
Create a new logger which will include //version// in all errors thrown.
_property: Logger.globalLogger() => [[Logger]] @SRC<logger>
Returns the singleton global logger.
_heading: Logging Output
_property: logger.debug(...args) => void @SRC<logger>
Log debugging information.
_property: logger.info(...args) => void @SRC<logger>
Log generic information.
_property: logger.warn(...args) => void @SRC<logger>
Log warnings.
_heading: Errors
These functions honor the current [Censorship](Logger--censorship) and help create
a standard error model for detecting and processing errors within Ethers.
_property: logger.makeError(message [ , code = UNKNOWN_ERROR [ , params ] ]) => Error @SRC<logger>
Create an Error object with //message// and an optional //code// and
additional //params// set. This is useful when an error is needed to be
rejected instead of thrown.
_property: logger.throwError(message [ , code = UNKNOWN_ERROR [ , params ] ]) => never @SRC<logger>
Throw an Error with //message// and an optional //code// and
additional //params// set.
_property: logger.throwArgumentError(message, name, value) => never @SRC<logger>
Throw an [INVALID_ARGUMENT](errors-InvalidArgument) Error with //name// and //value//.
_heading: Usage Validation
There can be used to ensure various properties and actions are safe.
_property: logger.checkAbstract(target, kind) => void @SRC<logger>
Checks that //target// is not //kind// and performs the same operatons
as ``checkNew``. This is useful for ensuring abstract classes are not
being instantiated.
_property: logger.checkArgumentCount(count, expectedCound [ , message) => void @SRC<logger>
If //count// is not equal to //expectedCount//, throws a [MISSING_ARGUMENT](errors-MissingArgument)
or [UNEXPECTED_ARGUMENT](errors-UnexpectedArgument) error.
_property: logger.checkNew(target, kind) => void @SRC<logger>
If //target// is not a valid ``this`` or ``target`` value, throw a
[MISSING_NEW](errors-MissingNew) error. This is useful to ensure
callers of a Class are using ``new``.
_property: logger.checkNormalize(message) => void @SRC<logger>
Check that the environment has a correctly functioning [[link-js-normalize]]. If not, a
[UNSUPPORTED_OPERATION](errors-UnsupportedOperation) error is thrown.
_property: logger.checkSafeUint53(value [, message ]) => void @SRC<logger>
If //value// is not safe as a [JavaScript number](link-wiki-ieee754), throws a
[NUMERIC_FAULT](errors-NumericFault) error.
_heading: Censorship @<Logger--censorship>
_property: Logger.setCensorship(censor [ , permanent = false ]) => void @SRC<logger>
Set error censorship, optionally preventing errors from being uncensored.
In production applications, this prevents any error from leaking information
by masking the message and values of errors.
This can impact debugging, making it substantially more difficult.
_property: Logger.setLogLevel(logLevel) => void @SRC<logger>
Set the log level, to suppress logging output below a [particular log level](Logger-levels).
_subsection: Errors @<errors>
Every error in Ethers has a ``code`` value, which is a string that will
match one of the following error codes.
_heading: Generic Error Codes
_property: Logger.errors.NOT_IMPLEMENTED
The operation is not implemented.
_property: Logger.errors.SERVER_ERROR
There was an error communicating with a server.
_property: Logger.errors.TIMEOUT @<errors-Timeout>
A timeout occurred.
_property: Logger.errors.UNKNOWN_ERROR @<errors-UnknownError>
A generic unknown error.
_property: Logger.errors.UNSUPPORTED_OPERATION @<errors-UnsupportedOperation>
The operation is not supported.
_heading: Safety Error Codes
_property: Logger.errors.BUFFER_OVERRUN
The amount of data needed is more than the amount of data required,
which would cause the data buffer to read past its end.
_property: Logger.errors.NUMERIC_FAULT @<errors-NumericFault>
There was an invalid operation done on numeric values.
Common cases of this occur when there is [[link-wiki-overflow]],
[[link-wiki-underflow]] in fixed numeric types or division by zero.
_heading: Usage Error Codes
_property: Logger.errors.INVALID_ARGUMENT @<errors-InvalidArgument>
The type or value of an argument is invalid. This will generally also
include the ``name`` and ``value`` of the argument. Any function which
accepts sensitive data (such as a private key) will include the string
``[\[REDACTED]\]`` instead of the value passed in.
_property: Logger.errors.MISSING_ARGUMENT @<errors-MissingArgument>
An expected parameter was not specified.
_property: Logger.errors.MISSING_NEW @<errors-MissingNew>
An object is a Class, but is now being called with ``new``.
_property: Logger.errors.UNEXPECTED_ARGUMENT @<errors-UnexpectedArgument>
Too many parameters we passed into a function.
_heading: Ethereum Error Codes
_property: Logger.errors.CALL_EXCEPTION
An attempt to call a blockchain contract (getter) resulted in a
revert or other error.
_property: Logger.errors.INSUFFICIENT_FUNDS
The account is attempting to make a transaction which costs more than is
available.
A sending account must have enough ether to pay for the value, the gas limit
(at the gas price) as well as the intrinsic cost of data. The intrinsic cost
of data is 4 gas for each zero byte and 68 gas for each non-zero byte.
_property: Logger.errors.NETWORK_ERROR
An Ethereum network validation error, such as an invalid chain ID.
_property: Logger.errors.NONCE_EXPIRED
The nonce being specified has already been used in a mined transaction.
_property: Logger.errors.REPLACEMENT_UNDERPRICED
When replacing a transaction, by using a nonce which has already been sent to
the network, but which has not been mined yet the new transaction must specify
a higher gas price.
This error occurs when the gas price is insufficient to //bribe// the transaction
pool to prefer the new transaction over the old one. Generally, the new gas price
should be about 50% + 1 wei more, so if a gas price of 10 gwei was used, the
replacement should be 15.000000001 gwei.
_property: Logger.errors.UNPREDICTABLE_GAS_LIMIT
When estimating the required amount of gas for a transaction, a node is queried for
its best guess.
If a node is unable (or unwilling) to predict the cost, this error occurs.
The best remedy for this situation is to specify a gas limit in the transaction
manually.
This error can also indicate that the transaction is expected to fail regardless,
if for example an account with no tokens is attempting to send a token.
_subsection: Log Levels @<Logger-levels>
_property: Logger.levels.DEBUG
Log all output, including debugging information.
_property: Logger.levels.INFO
Only log output for infomational, warnings and errors.
_property: Logger.levels.WARNING
Only log output for warnings and errors.
_property: Logger.levels.ERROR
Only log output for errors.
_property: Logger.levels.OFF
Do not output any logs.

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_section: Property Utilities
_property: ethers.utils.checkProperties() => void
_property: ethers.utils.deepCopy(anObject) => any
_property: ethers.utils.defineReadOnly(anObject, name, value) => void
_property: ethers.utils.getStatic(aConstructor, key) => any
_property: ethers.utils.resolveProperties(anObject) => Promise<any> @<utils-resolveproperties> @SRC<properties>
_property: ethers.utils.shallowCopy(anObject) => any

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_section: Signing Key @<SigningKey>
_property: new ethers.utils.SigningKey(privateKey) @<SigningKey-constructor> @src<signing-key:constructor.SigningKey>
Create a new SigningKey for //privateKey//.
_property: signingKey.privateKey => string<[[DataHexString]]<32>>
The private key for this Signing Key.
_property: signingKey.publicKey => string<[[DataHexString]]<65>>
The uncompressed public key for this Signing Key. It will always be
65 bytes (130 nibbles) and begine with ``0x04``.
_property: signingKey.compressedPublicKey => string<[[DataHexString]]<33>>
The compressed public key for this Signing Key. It will always be
33 bytes (66 nibbles) and begine with either ``0x02`` or ``0x03``.
_property: signingKey.signDigest(digest) => [[Signature]]
Sign the //digest// and return the signature.
_property: signingKey.computeSharedSecret(otherKey) => string<[[DataHexString]]<32>> @SRC<signing-key>
Compute the ECDH shared secret with //otherKey//. The //otherKey// may be
either a public key or a private key, but generally will be a public key from
another party.
It is best practice that each party computes the hash of this before using it
as a symmetric key.
_property: SigningKey.isSigningKey(anObject) => boolean @SRC<signing-key>
Returns true if //anObject// is a SigningKey.
_subsection: Other Functions
_property: ethers.utils.verifyMessage(message, signature) => string<[[address]]> @<utils-verifyMessage> @SRC<wallet>
Returns the address that signed //message// producing //signature//. The
signature may have a non-canonical v (i.e. does not need to be 27 or 28),
in which case it will be normalized to compute the `recoveryParam` which
will then be used to compute the address; this allows systems which use
the v to encode additional data (such as [EIP-155](link-eip-155))
to be used since the v parameter is still completely non-ambiguous.
_property: ethers.utils.recoverPublicKey(digest, signature) => string<[[DataHexString]]<65>> @<utils-recoverPublicKey>
_property: ethers.utils.computePublicKey(key [, compressed = false ]) => string<[[DataHexString]]> @<utils-computePublicKey>
Computes the public key of //key//, optionally compressing it. The //key//
can be any form of public key (compressed or uncompressed) or a private
key.

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_section: Strings @<strings>
Tra la la
_subsection: Bytes32String @<Bytes32String>
A string in Solidity is length prefixed with its 256-bit (32 byte)
length, which means that even short strings require 2 words (64 bytes)
of storage.
In many cases, we deal with short strings, so instead of prefixing
the string with its length, we can null-terminate it and fit it in a
single word (32 bytes). Since we need only a single byte for the
null termination, we can store strings up to 31 bytes long in a
word.
_note: Note
Strings that are 31 __//bytes//__ long may contain fewer than 31 __//characters//__,
since UTF-8 requires multiple bytes to encode international characters.
_property: ethers.utils.parseBytes32String(aBytesLike) => string @<utils-parseBytes32> @SRC<strings>
Returns the decoded string represented by the ``Bytes32`` encoded data.
_property: ethers.utils.formatBytes32String(text) => string<[[DataHexString]]<32>> @<utils-formatBytes32> @SRC<strings>
Returns a ``bytes32`` string representation of //text//. If the
length of //text// exceeds 31 bytes, it will throw an error.
_subsection: UTF-8 Strings @<strings-utf8>
_property: ethers.utils.toUtf8Bytes(text [ , form = current ] ) => Uint8Array @<utils-toUtf8Bytes> @SRC<strings>
Returns the UTF-8 bytes of //text//, optionally normalizing it using the
[[strings--unicode-normalization-form]] //form//.
_property: ethers.utils.toUtf8CodePoints(text [ , form = current ] ) => Array<number> @<utils-toUtf8CodePoints> @SRC<strings>
Returns the Array of codepoints of //text//, optionally normalized using the
[[strings--unicode-normalization-form]] //form//.
_note: Note
This function correctly splits each **user-perceived character** into
its codepoint, accounting for surrogate pairs. This should not be confused with
``string.split("")``, which destroys surrogate pairs, spliting between each UTF-16
codeunit instead.
_property: ethers.utils.toUtf8String(aBytesLike [ , onError = error ] ) => string @<utils-toUtf8String> @SRC<strings>
Returns the string represented by the UTF-8 bytes of //aBytesLike//.
The //onError// is a [Custom UTF-8 Error function](strings--error-handling) and if not specified
it defaults to the [error](strings--Utf8Error) function, which throws an error
on **any** UTF-8 error.
_subsection: UnicodeNormalizationForm @<strings--unicode-normalization-form> @SRC<strings/utf8:enum.UnicodeNormalizationForm>
There are several [commonly used forms](link-wiki-unicode-equivalence)
when normalizing UTF-8 data, which allow strings to be compared or hashed in a stable
way.
_property: ethers.utils.UnicodeNormalizationForm.current
Maintain the current normalization form.
_property: ethers.utils.UnicodeNormalizationForm.NFC
The Composed Normalization Form. This form uses single codepoints
which represent the fully composed character.
For example, the **&eacute;** is a single codepoint, ``0x00e9``.
_property: ethers.utils.UnicodeNormalizationForm.NFD
The Decomposed Normalization Form. This form uses multiple codepoints
(when necessary) to compose a character.
For example, the **&eacute;**
is made up of two codepoints, ``"0x0065"`` (which is the letter ``"e"``)
and ``"0x0301"`` which is a special diacritic UTF-8 codepoint which
indicates the previous character should have an acute accent.
_property: ethers.utils.UnicodeNormalizationForm.NFKC
The Composed Normalization Form with Canonical Equivalence. The Canonical
representation folds characters which have the same syntactic representation
but different semantic meaning.
For example, the Roman Numeral **I**, which has a UTF-8
codepoint ``"0x2160"``, is folded into the capital letter I, ``"0x0049"``.
_property: ethers.utils.UnicodeNormalizationForm.NFKD
The Decomposed Normalization Form with Canonical Equivalence.
See NFKC for more an example.
_note: Note
Only certain specified characters are folded in Canonical Equivalence, and thus
it should **not** be considered a method to acheive //any// level of security from
[homoglyph attacks](link-wiki-homoglyph).
_subsection: Custom UTF-8 Error Handling @<strings--error-handling>
When converting a string to its codepoints, there is the possibility
of invalid byte sequences. Since certain situations may need specific
ways to handle UTF-8 errors, a custom error handling function can be used,
which has the signature:
_property: errorFunction(reason, offset, bytes, output [ , badCodepoint ]) => number
The //reason// is one of the [UTF-8 Error Reasons](strings--error-reasons), //offset// is the index
into //bytes// where the error was first encountered, output is the list
of codepoints already processed (and may be modified) and in certain Error
Reasons, the //badCodepoint// indicates the currently computed codepoint,
but which would be rejected because its value is invalid.
This function should return the number of bytes to skip past keeping in
mind the value at //offset// will already be consumed.
_heading: UTF-8 Error Reasons @<strings--error-reasons> @SRC<strings/utf8:Utf8ErrorReason>
_property: ethers.utils.Utf8ErrorReason.BAD_PREFIX
A byte was encountered which is invalid to begin a UTF-8 byte
sequence with.
_property: ethers.utils.Utf8ErrorReason.MISSING_CONTINUE
A UTF-8 sequence was begun, but did not have enough continuation
bytes for the sequence. For this error the //ofset// is the index
at which a continuation byte was expected.
_property: ethers.utils.Utf8ErrorReason.OUT_OF_RANGE
The computed codepoint is outside the range for valid UTF-8
codepoints (i.e. the codepoint is greater than 0x10ffff).
This reason will pass the computed //badCountpoint// into
the custom error function.
_property: ethers.utils.Utf8ErrorReason.OVERLONG
Due to the way UTF-8 allows variable length byte sequences
to be used, it is possible to have multiple representations
of the same character, which means
[overlong sequences](link-wiki-utf8-overlong)
allow for a non-distinguished string to be formed, which can
impact security as multiple strings that are otherwise
equal can have different hashes.
Generally, overlong sequences are an attempt to circumvent
some part of security, but in rare cases may be produced by
lazy libraries or used to encode the null terminating
character in a way that is safe to include in a ``char*``.
This reason will pass the computed //badCountpoint// into the
custom error function, which is actually a valid codepoint, just
one that was arrived at through unsafe methods.
_property: ethers.utils.Utf8ErrorReason.OVERRUN
The string does not have enough characters remaining for the
length of this sequence.
_property: ethers.utils.Utf8ErrorReason.UNEXPECTED_CONTINUE
This error is similar to BAD_PREFIX, since a continuation byte
cannot begin a valid sequence, but many may wish to process this
differently. However, most developers would want to trap this
and perform the same operation as a BAD_PREFIX.
_property: ethers.utils.Utf8ErrorReason.UTF16_SURROGATE
The computed codepoint represents a value reserved for
UTF-16 surrogate pairs.
This reason will pass the computed surrogate half
//badCountpoint// into the custom error function.
_heading: Provided UTF-8 Error Handling Functions
There are already several functions available for the most common
situations.
_property: ethers.utils.Utf8ErrorFuncs.error @<strings--Utf8Error> @SRC<strings/utf8:errorFunc>
The will throw an error on **any** error with a UTF-8 sequence, including
invalid prefix bytes, overlong sequences, UTF-16 surrogate pairs.
_property: ethers.utils.Utf8ErrorFuncs.ignore @<strings--Utf8Ignore> @SRC<strings/utf8:ignoreFunc>
This will drop all invalid sequences (by consuming invalid prefix bytes and
any following continuation bytes) from the final string as well as permit
overlong sequences to be converted to their equivalent string.
_property: ethers.utils.Utf8ErrorFuncs.replace @<strings--Utf8Replace> @SRC<strings/utf8:replaceFunc>
This will replace all invalid sequences (by consuming invalid prefix bytes and
any following continuation bytes) with the
[UTF-8 Replacement Character](link-wiki-utf8-replacement),
(i.e. U+FFFD).

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_section: Transactions @<transactions>
_subsection: Types @<transactions--types>
_heading: UnsignedTransaction @<UnsignedTransaction>
An unsigned transaction represents a transaction that has not been
signed and its values are flexible as long as they are not ambiguous.
_property: unsignedTransaction.to => string<[Address](address)>
The addres this transaction is to.
_property: unsignedTransaction.nonce => number
The nonce of this transaction.
_property: unsignedTransaction.gasLimit => [[BigNumberish]]
The gas limit for this transaction.
_property: unsignedTransaction.gasPrice => [[BigNumberish]]
The gas price for this transaction.
_property: unsignedTransaction.data => [[BytesLike]]
The data for this transaction.
_property: unsignedTransaction.value => [[BigNumberish]]
The value (in wei) for this transaction.
_property: unsignedTransaction.chainId => number
The chain ID for this transaction. If the chain ID is 0 or null,
then [[link-eip-155]] is disabled and legacy signing is
used, unless overridden in a signature.
_heading: Transaction @<Transaction>
A generic object to represent a transaction.
_property: transaction.hash => string<[[DataHexString]]<32>>
The transaction hash, which can be used as an identifier for
//transaction//. This is the keccak256 of the serialized RLP encoded
representation of //transaction//.
_property: unsignedTransaction.to => string<[Address](address)>
The address //transaction// is to.
_property: transaction.from => string<[Address](address)>
The address //transaction// is from.
_property: transaction.nonce => number
The nonce for //transaction//. Each transaction sent to the network
from an account includes this, which ensures the order and
non-replayability of a transaction. This must be equal to the current
number of transactions ever sent to the network by the **from** address.
_property: transaction.gasLimit => [[BigNumber]]
The gas limit for //transaction//. An account must have enough ether to
cover the gas (at the specified **gasPrice**). Any unused gas is
refunded at the end of the transaction, and if there is insufficient gas
to complete execution, the effects of the trasaction are reverted, but
the gas is **fully consumed** and an out-of-gas error occurs.
_property: transaction.gasPrice => [[BigNumber]]
The price (in wei) per unit of gas for //transaction//.
_property: transaction.data => [[BytesLike]]
The data for //transaction//. In a contract this is the call data.
_property: transaction.value => [[BigNumber]]
The value (in wei) for //transaction//.
_property: transaction.chainId => number
The chain ID for //transaction//. This is used as part of
[[link-eip-155]] to prevent replay attacks on different
networks.
For example, if a transaction was made on ropsten with an account
also used on homestead, it would be possible for a transaction
signed on ropsten to be executed on homestead, which is likely
unintended.
There are situations where replay may be desired, however these
are very rare and it is almost always recommended to specify the
chain ID.
_property: transaction.r => string<[[DataHexString]]<32>>
The r portion of the elliptic curve signatures for //transaction//.
This is more accurately, the x coordinate of the point r (from
which the y can be computed, along with v).
_property: transaction.s => string<[[DataHexString]]<32>>
The s portion of the elliptic curve signatures for //transaction//.
_property: transaction.v => number
The v portion of the elliptic curve signatures for //transaction//.
This is used to refine which of the two possible points a given
x-coordinate can have, and in [[link-eip-155]] is additionally
used to encode the chain ID into the serialized transaction.
_subsection: Functions @<transactions--functions>
_property: ethers.utils.parseTransaction(aBytesLike) => [[Transaction]] @<utils-parseTransaction> @SRC<transactions:parse>
Parses the transaction properties from a serialized transactions.
_property: ethers.utils.serializeTransaction(tx [ , signature ]) => string<[[DataHexString]]> @<utils-serializeTransaction> @SRC<transactions:serialize>
Computes the serialized //transaction//, optionally serialized with
the a //signature//. If //signature// is not present, the unsigned
serialized transaction is returned, which can be used to compute the
hash necessary to sign.
This function uses [[link-eip-155]] if a chainId is provided,
otherwise legacy serialization is used. It is **highly** recommended
to always specify a //chainId//.
If //signature// includes a chain ID (explicitly or implicitly by using an
[[link-eip-155]] ``v`` or ``_vs``) it will be used to compute the
chain ID.
If there is a mismatch between the chain ID of //transaction// and //signature//
an error is thrown.

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_section: Web Utilities @<web>
_property: ethers.utils.fetchJson(urlOrConnectionInfo [, json [ , processFunc ] ]) => Promise<any> @<utils-fetchJson>
Fetch and parse the JSON content from //urlOrConnectionInfo//, with the
optiona body //json// and optionally processing the result with //processFun//
before returning it.
_property: ethers.utils.poll(pollFunc [, options ]) => Promise<any> @<utils-poll>
Repeatedly call pollFunc using the [[PollOptions]] until it returns a
value other than undefined.
_heading: ConnectionInfo @<ConnectionInfo>
_property: connection.url => string
The URL to connect to.
_property: connection.user => string
The username to use for [[link-wiki-basicauth]].
The default is null (i.e. do not use basic authentication)
_property: connection.password => string
The password to use for [[link-wiki-basicauth]].
The default is null (i.e. do not use basic authentication)
_property: connection.allowInsecureAuthentication => boolean
Allow [[link-wiki-basicauth]] over non-secure HTTP. The default is false.
_property: connection.timeout => number
How long to wait before rejecting with a //timeout// error.
_property: connection.headers => { [ key: string]: string }
Additional headers to include in the connection.
_heading: PollOptions @<PollOptions>
_property: options.timeout => number
The amount of time allowed to ellapse before triggering a timeout
error.
_property: options.floor => number
The minimum time limit to allow for [[link-wiki-backoff]].
The default is 0s.
_property: options.ceiling => number
The maximum time limit to allow for [[link-wiki-backoff]].
The default is 10s.
_property: options.interval => number
The interval used during [[link-wiki-backoff]] calculation.
The default is 250ms.
_property: options.retryLimit => number
The number of times to retry in the event of an error or //undefined// is
returned.
_property: options.onceBlock => [[Provider]]
If this is specified, the polling will wait on new blocks from
//provider// before attempting the //pollFunc// again.
_property: options.oncePoll => [[Provider]]
If this is specified, the polling will occur on each poll
cycle of //provider// before attempting the //pollFunc//
again.

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