4 lines
23 KiB
HTML
4 lines
23 KiB
HTML
<html><head><title>License and Copyright</title><link rel="stylesheet" type="text/css" href="/static/style.css"></head><body><div class="sidebar"><div class="header"><div class="logo"><a href="/"><div class="image"></div><div class="name">ethers</div><div class="version">v5.0-beta</div></a></div></div><div class="toc"><div><div class="link title"><a href="/">Documentation</a></div><div class="base show link depth-1"><a href="/getting-started/">Getting Started</a></div><div class="hide link depth-2"><a href="/getting-started/#getting-started--installing">Installing</a></div><div class="hide link depth-2"><a href="/getting-started/#getting-started--importing">Importing</a></div><div class="base show link depth-1"><a href="/concepts/">Concepts</a></div><div class="hide link depth-2"><a href="/concepts/events/">Events</a></div><div class="hide link depth-3"><a href="/concepts/events/#events--solidity-topics">Solidity Topics</a></div><div class="hide link depth-2"><a href="/concepts/gas/">Gas</a></div><div class="hide link depth-3"><a href="/concepts/gas/#gas-price">Gas Price</a></div><div class="hide link depth-3"><a href="/concepts/gas/#gas-limit">Gas Limit</a></div><div class="base show link depth-1"><a href="/api/">Application Programming Interface</a></div><div class="hide link depth-2"><a href="/api/contract/">Contract Interaction</a></div><div class="hide link depth-3"><a href="/api/contract/contract/">Contract</a></div><div class="hide link depth-4"><a href="/api/contract/contract/#contract--properties">Properties</a></div><div class="hide link depth-4"><a href="/api/contract/contract/#contract--methods">Methods</a></div><div class="hide link depth-4"><a href="/api/contract/contract/#contract--events">Events</a></div><div class="hide link depth-4"><a href="/api/contract/contract/#contract-metaclass">Meta-Class</a></div><div class="hide link depth-3"><a href="/api/contract/example/">Example: ERC-20 Contract</a></div><div class="hide link depth-4"><a href="/api/contract/example/#example-erc-20-contract--connecting-to-a-contract">Connecting to a Contract</a></div><div class="hide link depth-4"><a href="/api/contract/example/#example-erc-20-contract--properties-inheritted-from-contract">Properties ^^//(inheritted from [[contract]])//^^</a></div><div class="hide link depth-4"><a href="/api/contract/example/#example-erc-20-contract--methods-inheritted-from-contract">Methods ^^//(inheritted from [[contract]])//^^</a></div><div class="hide link depth-4"><a href="/api/contract/example/#erc20-events">Events ^^//(inheritted from Contract)//^^</a></div><div class="hide link depth-4"><a href="/api/contract/example/#example-erc-20-contract--meta-class-methods-added-at-runtime">Meta-Class Methods ^^//(added at Runtime)//^^</a></div><div class="hide link depth-4"><a href="/api/contract/example/#example-erc-20-contract--meta-class-filters-added-at-runtime">Meta-Class Filters ^^//(added at Runtime)//^^</a></div><div class="hide link depth-2"><a href="/api/signer/">Signers</a></div><div class="hide link depth-3"><a href="/api/signer/#signer">Signer</a></div><div class="hide link depth-3"><a href="/api/signer/#wallet">Wallet</a></div><div class="hide link depth-3"><a href="/api/signer/#void-signer">VoidSigner</a></div><div class="hide link depth-3"><a href="/api/signer/#externally-owned-account">ExternallyOwnedAccount</a></div><div class="hide link depth-2"><a href="/api/providers/">Providers</a></div><div class="hide link depth-3"><a href="/api/providers/provider/">Provider</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--accounts-methods">Accounts Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--blocks-methods">Blocks Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--ethereum-naming-service-ens-methods">Ethereum Naming Service (ENS) Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--logs-methods">Logs Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--network-status-methods">Network Status Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--transactions-methods">Transactions Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--event-emitter-methods">Event Emitter Methods</a></div><div class="hide link depth-4"><a href="/api/providers/provider/#provider--inspection-methods">Inspection Methods</a></div><div class="hide link depth-3"><a href="/api/providers/jsonrpc-provider/">JsonRpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/jsonrpc-provider/#signer-jsonrpc">JsonRpcSigner</a></div><div class="hide link depth-4"><a href="/api/providers/jsonrpc-provider/#provider-jsonrpc-uncheckedsigner">JsonRpcUncheckedSigner</a></div><div class="hide link depth-3"><a href="/api/providers/api-providers/">API Providers</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#api-providers--etherscanprovider">EtherscanProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#api-providers--infuraprovider">InfuraProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#api-providers--alchemyprovider">AlchemyProvider</a></div><div class="hide link depth-4"><a href="/api/providers/api-providers/#api-providers--cloudfrontprovider">CloudfrontProvider</a></div><div class="hide link depth-3"><a href="/api/providers/other/">Other Providers</a></div><div class="hide link depth-4"><a href="/api/providers/other/#provider-fallback">FallbackProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#provider-ipc">IpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#provider-urljsonrpc">UrlJsonRpcProvider</a></div><div class="hide link depth-4"><a href="/api/providers/other/#provider-web3">Web3Provider</a></div><div class="hide link depth-3"><a href="/api/providers/types/">Types</a></div><div class="hide link depth-4"><a href="/api/providers/types/#provider-blocktag">BlockTag</a></div><div class="hide link depth-4"><a href="/api/providers/types/#provider-network">Network</a></div><div class="hide link depth-4"><a href="/api/providers/types/#provider-block">Block</a></div><div class="hide link depth-4"><a href="/api/providers/types/#types--events-and-logs">Events and Logs</a></div><div class="hide link depth-4"><a href="/api/providers/types/#types--transactions">Transactions</a></div><div class="hide link depth-2"><a href="/api/utils/">Utilities</a></div><div class="hide link depth-3"><a href="/api/utils/abi/">Application Binary Interface</a></div><div class="hide link depth-4"><a href="/api/utils/abi/interface/">Interface</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--creating-instances">Creating Instances</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--properties">Properties</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--formatting">Formatting</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--fragment-access">Fragment Access</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--signature-and-topic-hashes">Signature and Topic Hashes</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--encoding-data">Encoding Data</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--decoding-data">Decoding Data</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--parsing">Parsing</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-interface--types">Types</a></div><div class="hide link depth-5"><a href="/api/utils/abi/interface/#abi-fragmentid">Specifying Fragments</a></div><div class="hide link depth-4"><a href="/api/utils/abi/fragments/">Fragments</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#fragments--formats">Formats</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#abi-fragment">Fragment</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#abi-constructorfragment">ConstructorFragment</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#abi-eventfragment">EventFragment</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#abi-functionfragment">FunctionFragment</a></div><div class="hide link depth-5"><a href="/api/utils/abi/fragments/#abi-paramtype">ParamType</a></div><div class="hide link depth-3"><a href="/api/utils/address/">Addresses</a></div><div class="hide link depth-4"><a href="/api/utils/address/#address-formats">Address Formats</a></div><div class="hide link depth-4"><a href="/api/utils/address/#addresses--functions">Functions</a></div><div class="hide link depth-3"><a href="/api/utils/bignumber/">BigNumber</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#bignumber--types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#bignumber--creating-instances">Creating Instances</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#bignumber--methods">Methods</a></div><div class="hide link depth-4"><a href="/api/utils/bignumber/#bignumber--notes">Notes</a></div><div class="hide link depth-3"><a href="/api/utils/bytes/">Byte Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--inspection">Inspection</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--converting-between-arrays-and-hexstrings">Converting between Arrays and Hexstrings</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--array-manipulation">Array Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--hexstring-manipulation">Hexstring Manipulation</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--signature-conversion">Signature Conversion</a></div><div class="hide link depth-4"><a href="/api/utils/bytes/#byte-manipulation--random-bytes">Random Bytes</a></div><div class="hide link depth-3"><a href="/api/utils/constants/">Constants</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#constants--bytes">Bytes</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#constants--strings">Strings</a></div><div class="hide link depth-4"><a href="/api/utils/constants/#constants--bignumber">BigNumber</a></div><div class="hide link depth-3"><a href="/api/utils/display-logic/">Display Logic and Input</a></div><div class="hide link depth-4"><a href="/api/utils/display-logic/#display-logic-and-input--units">Units</a></div><div class="hide link depth-4"><a href="/api/utils/display-logic/#display-logic-and-input--functions">Functions</a></div><div class="hide link depth-3"><a href="/api/utils/encoding/">Encoding Utilities</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#bse58">Base58</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#base64">Base64</a></div><div class="hide link depth-4"><a href="/api/utils/encoding/#rlp">Recursive-Length Prefix</a></div><div class="hide link depth-3"><a href="/api/utils/fixednumber/">FixedNumber</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#fixednumber--creating-instances">Creating Instances</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#fixednumber--properties">Properties</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#fixednumber--methods">Methods</a></div><div class="hide link depth-4"><a href="/api/utils/fixednumber/#fixedformat">FixedFormat</a></div><div class="hide link depth-3"><a href="/api/utils/hashing/">Hashing Algorithms</a></div><div class="hide link depth-4"><a href="/api/utils/hashing/#hashing-algorithms--cryptographic-hashing">Cryptographic Hashing</a></div><div class="hide link depth-4"><a href="/api/utils/hashing/#hashing-algorithms--common-hashing-helpers">Common Hashing Helpers</a></div><div class="hide link depth-4"><a href="/api/utils/hashing/#hashing-algorithms--solidity-hashing-algorithms">Solidity Hashing Algorithms</a></div><div class="hide link depth-3"><a href="/api/utils/hdnode/">HD Wallet</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#hd-wallet--types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#hdnode">HDNode</a></div><div class="hide link depth-4"><a href="/api/utils/hdnode/#hd-wallet--other-functions">Other Functions</a></div><div class="hide link depth-3"><a href="/api/utils/logger/">Logging</a></div><div class="hide link depth-4"><a href="/api/utils/logger/#logger">Logger</a></div><div class="hide link depth-4"><a href="/api/utils/logger/#errors">Errors</a></div><div class="hide link depth-4"><a href="/api/utils/logger/#logger-levels">Log Levels</a></div><div class="hide link depth-3"><a href="/api/utils/properties/">Property Utilities</a></div><div class="hide link depth-3"><a href="/api/utils/signing-key/">Signing Key</a></div><div class="hide link depth-4"><a href="/api/utils/signing-key/#utils-signingkey--other-functions">Other Functions</a></div><div class="hide link depth-3"><a href="/api/utils/strings/">Strings</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#bytes32-string">Bytes32String</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#utf8-string">UTF-8 Strings</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#unicode-normalization-form">UnicodeNormalizationForm</a></div><div class="hide link depth-4"><a href="/api/utils/strings/#utf8error">Custom UTF-8 Error Handling</a></div><div class="hide link depth-3"><a href="/api/utils/transactions/">Transactions</a></div><div class="hide link depth-4"><a href="/api/utils/transactions/#utils-transactions--types">Types</a></div><div class="hide link depth-4"><a href="/api/utils/transactions/#utils-transactions--functions">Functions</a></div><div class="hide link depth-3"><a href="/api/utils/web/">Web Utilities</a></div><div class="hide link depth-3"><a href="/api/utils/wordlists/">Wordlists</a></div><div class="hide link depth-4"><a href="/api/utils/wordlists/#wordlist">Wordlist</a></div><div class="hide link depth-4"><a href="/api/utils/wordlists/#wordlist-languages">Languages</a></div><div class="hide link depth-2"><a href="/api/other/">Other Libraries</a></div><div class="hide link depth-3"><a href="/api/other/assembly/">Assembly</a></div><div class="hide link depth-4"><a href="/api/other/assembly/dialect/">Ethers ASM Dialect</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-opcode">Opcodes</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-label">Labels</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-literal">Literals</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-comment">Comments</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-scope">Scopes</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-datasegment">Data Segment</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-links">Links</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-placeholder">Stack Placeholders</a></div><div class="hide link depth-5"><a href="/api/other/assembly/dialect/#asm-dialect-scripting">Evaluation and Excution</a></div><div class="hide link depth-4"><a href="/api/other/assembly/api/">Utilities</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#asm-utilities--assembler">Assembler</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#asm-utilities--disassembler">Disassembler</a></div><div class="hide link depth-5"><a href="/api/other/assembly/api/#asm-opcode">Opcode</a></div><div class="hide link depth-4"><a href="/api/other/assembly/ast/">Abstract Syntax Tree</a></div><div class="hide link depth-5"><a href="/api/other/assembly/ast/#asm-ast--types">Types</a></div><div class="hide link depth-5"><a href="/api/other/assembly/ast/#asm-ast--nodes">Nodes</a></div><div class="hide link depth-3"><a href="/api/other/hardware/">Hardware Wallets</a></div><div class="hide link depth-4"><a href="/api/other/hardware/#hw-ledger">LedgerSigner</a></div><div class="base show link depth-1"><a href="/cli/">Command Line Interfaces</a></div><div class="hide link depth-2"><a href="/cli/ethers/">Sandbox Utility</a></div><div class="hide link depth-3"><a href="/cli/ethers/#sandbox-utility--help">Help</a></div><div class="hide link depth-3"><a href="/cli/ethers/#sandbox-utility--examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/asm/">Assembler</a></div><div class="hide link depth-3"><a href="/cli/asm/#cli-asm--help">Help</a></div><div class="hide link depth-3"><a href="/cli/asm/#cli-asm--example-input-files">Example Input Files</a></div><div class="hide link depth-3"><a href="/cli/asm/#cli-asm--assembler-examples">Assembler Examples</a></div><div class="hide link depth-3"><a href="/cli/asm/#cli-asm--disassembler-examples">Disassembler Examples</a></div><div class="hide link depth-2"><a href="/cli/ens/">Ethereum Naming Service</a></div><div class="hide link depth-3"><a href="/cli/ens/#ethereum-naming-service--help">Help</a></div><div class="hide link depth-3"><a href="/cli/ens/#ethereum-naming-service--examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/typescript/">TypeScript</a></div><div class="hide link depth-3"><a href="/cli/typescript/#typescript--help">Help</a></div><div class="hide link depth-3"><a href="/cli/typescript/#typescript--examples">Examples</a></div><div class="hide link depth-2"><a href="/cli/plugin/">Making Your Own</a></div><div class="hide link depth-3"><a href="/cli/plugin/#cli-cli">CLI</a></div><div class="hide link depth-3"><a href="/cli/plugin/#cli-plugin">Plugin</a></div><div class="hide link depth-3"><a href="/cli/plugin/#cli-argparser">ArgParser</a></div><div class="base show link depth-1"><a href="/cookbook/">Cookbook</a></div><div class="base show link depth-1"><a href="/migration/">Migration Guide</a></div><div class="hide link depth-2"><a href="/migration/web3/">Migration: From Web3.js</a></div><div class="hide link depth-3"><a href="/migration/web3/#migration-from-web3-js--contracts">Contracts</a></div><div class="hide link depth-3"><a href="/migration/web3/#migration-from-web3-js--providers">Providers</a></div><div class="hide link depth-3"><a href="/migration/web3/#migration-from-web3-js--numbers">Numbers</a></div><div class="hide link depth-3"><a href="/migration/web3/#migration-from-web3-js--utilities">Utilities</a></div><div class="hide link depth-2"><a href="/migration/ethers-v4/">Migration: From Ethers v4</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--bignumber">BigNumber</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--contracts">Contracts</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--errors">Errors</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--interface">Interface</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--utilities">Utilities</a></div><div class="hide link depth-3"><a href="/migration/ethers-v4/#migration-v4--wallet">Wallet</a></div><div class="base show link depth-1"><a href="/testing/">Testing</a></div><div class="base show link depth-1"><a href="/contributing/">Contributing and Hacking</a></div><div class="hide link depth-2"><a href="/contributing/#contributing-and-hacking--building">Building</a></div><div class="base show link depth-1"><a href="/documentation/">Flatworm Docs</a></div><div class="hide link depth-2"><a href="/documentation/#flatworm-fragments">Fragments</a></div><div class="hide link depth-2"><a href="/documentation/#flatworm-markdown">Markdown</a></div><div class="hide link depth-2"><a href="/documentation/#flatworm-config">Configuration</a></div><div class="hide link depth-2"><a href="/documentation/#flatworm-extended-directive-functions">Extended Directive Functions</a></div><div class="base myself ancestor ancestor show link depth-1"><a href="/license/">License and Copyright</a></div></div></div></div><div class="content"><div class="breadcrumbs"><a href="/">Documentation</a> » <span class="current">License and Copyright</span></div><a name="license"></a><a name="license"></a><a name="license"></a><h1 class="show-anchors"><div>License and Copyright<div class="anchors"><a class="self" href="#license"></a></div></div></h1>
|
|
<p>The ethers library (including all dependencies) are available under the <a href="https://en.m.wikipedia.org/wiki/MIT_License">MIT License</a>, which permits a wide variety of uses.</p>
|
|
<a name="license--mit-license"></a><h3 class="show-anchors"><div>MIT License<div class="anchors"><a class="self" href="#license--mit-license"></a></div></div></h3>
|
|
<p><i>Copyright © 2019 <a href="mailto:me@ricmoo.com">Richard Moore</a>.</i></p><p>Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:</p><p>The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.</p><p>THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</p><div class="footer"><div class="nav previous"><a href="/documentation/"><span class="arrow">←</span>Flatworm Docs</a></div> </div><div class="copyright">The content of this site is licensed under the <a href="https://choosealicense.com/licenses/cc-by-4.0/">Creative Commons Attribution 4.0 International License</a>.</div></div><script src="/script.js" type="text/javascript"></script></body></html><!-- ContentHash:dad39ef0f2c818e898f21f85ae4f8bdbba3ebc28dad1ca742e3d1cd7a38f7dc0 --> |