tornado-packages/ethers.js
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Added EIP155 support.

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This commit is contained in:
ricmoo 2017-03-08 01:47:29 -05:00
parent 94ba940382
commit adc1d93ac2
3 changed files with 137 additions and 45 deletions
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18
tests/make-tests/make-transactions.js
View File

@ -12,8 +12,9 @@ var Output = [];
function addTransaction(privateKey, name, transaction, signature) {
var rawTransaction = new ethereumTx(transaction);
transaction.chainId = 5;
var rawTransactionEip155 = new ethereumTx(transaction);
rawTransactionEip155._chainId = 5;
delete transaction['chainId'];
var test = {
accountAddress: '0x' + ethereumUtil.privateToAddress(privateKey).toString('hex'),
@ -40,14 +41,21 @@ function addTransaction(privateKey, name, transaction, signature) {
Output.push(test);
}
function trimHex(hex) {
while (hex.substring(0, 4) === '0x00' && hex.length > 4) {
hex = '0x' + hex.substring(4);
}
return hex;
}
for (var i = 0; i < 1000; i++) {
var transaction = {
to: utils.randomHexString('to-' + i, 20),
data: utils.randomHexString('data-' + i, 0, 10),
gasLimit: utils.randomHexString('gasLimit-' + i, 0, 10),
gasPrice: utils.randomHexString('gasPrice-' + i, 0, 10),
value: utils.randomHexString('value-' + i, 0, 10),
nonce: utils.randomHexString('nonce-' + i, 0, 4),
gasLimit: trimHex(utils.randomHexString('gasLimit-' + i, 0, 10)),
gasPrice: trimHex(utils.randomHexString('gasPrice-' + i, 0, 10)),
value: trimHex(utils.randomHexString('value-' + i, 0, 10)),
nonce: trimHex(utils.randomHexString('nonce-' + i, 0, 4)),
};
var privateKey = new Buffer(utils.randomBytes('privateKey-' + i, 32));

36
tests/run-wallet.js
View File

@ -1,6 +1,6 @@
'use strict';
var Wallet = require('../wallet/index.js');
var Wallet = require('../wallet/wallet.js');
function testAccounts(test) {
@ -113,7 +113,7 @@ function testTransactions(test) {
if ({gasLimit: 1, gasPrice: 1, value: 1}[key]) {
if (utils.isBigNumber(value)) {
test.ok(true, 'failed to parse into a big number - ' + key + ' - ' + testcase.name);
test.ok(true, 'parse into a big number - ' + key + ' - ' + testcase.name);
value = value.toHexString();
if (!expected || expected === '0x') {
@ -121,13 +121,13 @@ function testTransactions(test) {
}
} else {
test.ok(false, 'failed to parse into a big number - ' + key + ' - ' + testcase.name);
test.ok(false, 'parse into a big number - ' + key + ' - ' + testcase.name);
return;
}
} else if (key === 'nonce') {
if (typeof(value) === 'number') {
test.ok(true, 'failed to parse into a number - nonce - ' + testcase.name);
test.ok(true, 'parse into a number - nonce - ' + testcase.name);
value = utils.hexlify(value);
if (!expected || expected === '0x') {
@ -135,7 +135,7 @@ function testTransactions(test) {
}
} else {
test.ok(false, 'failed to parse into a number - nonce - ' + testcase.name);
test.ok(false, 'parse into a number - nonce - ' + testcase.name);
return;
}
@ -149,20 +149,38 @@ function testTransactions(test) {
try {
utils.getAddress(value);
} catch (error) {
test.ok(false, 'failed to create checksum address - to - ' + testcase.name);
test.ok(false, 'create checksum address - to - ' + testcase.name);
}
value = value.toLowerCase();
}
}
test.equal(value, expected, 'failed to parse - ' + key + ' - ' + testcase.name);
test.equal(value, expected, 'parse - ' + key + ' - ' + testcase.name);
transaction[key] = testcase[key];
});
test.equal(parsedTransaction.from, utils.getAddress(testcase.accountAddress), 'compute - from - ' + testcase.name);
test.equal(parsedTransaction.chainId, 0, 'parse - chainId - ' + testcase.name);
var signedTransaction = wallet.sign(transaction);
test.equal(signedTransaction, testcase.signedTransaction,
'failed to sign transaction - ' + testcase.name);
test.equal(signedTransaction, testcase.signedTransaction, 'sign transaction - ' + testcase.name);
// EIP155
var parsedTransactionChainId5 = Wallet.parseTransaction(testcase.signedTransactionChainId5);
['data', 'from', 'nonce', 'to'].forEach(function (key) {
test.equal(parsedTransaction[key], parsedTransactionChainId5[key], 'eip155 parse - ' + key + ' - ' + testcase.name);
});
['gasLimit', 'gasPrice', 'value'].forEach(function (key) {
test.ok(parsedTransaction[key].eq(parsedTransactionChainId5[key]), 'eip155 parse - ' + key + ' - ' + testcase.name);
});
test.equal(parsedTransactionChainId5.chainId, 5, 'eip155 parse - chainId - ' + testcase.name);
transaction.chainId = 5;
var signedTransactionChainId5 = wallet.sign(transaction);
test.equal(signedTransactionChainId5, testcase.signedTransactionChainId5, 'eip155 sign transaction - ' + testcase.name);
});
test.done();

106
wallet/wallet.js
View File

@ -1,16 +1,19 @@
'use strict';
var scrypt = require('scrypt-js');
var utils = require('ethers-utils');
var secretStorage = require('./secret-storage.js');
var SigningKey = require('./signing-key.js');
var HDNode = require('./hdnode');
var scrypt = require('scrypt-js');
var secretStorage = require('./secret-storage');
var SigningKey = require('./signing-key');
// This ensures we inject a setImmediate into the global space, which
// dramatically improves the performance of the scrypt PBKDF.
require('setimmediate');
var defaultPath = "m/44'/60'/0'/0/0";
var transactionFields = [
{name: 'nonce', maxLength: 32, },
{name: 'gasPrice', maxLength: 32, },
@ -40,7 +43,7 @@ function Wallet(privateKey, provider) {
});
if (provider) { this.provider = provider; }
var defaultGasLimit = 2000000;
var defaultGasLimit = 1500000;
Object.defineProperty(this, 'defaultGasLimit', {
enumerable: true,
get: function() { return defaultGasLimit; },
@ -53,6 +56,10 @@ function Wallet(privateKey, provider) {
utils.defineProperty(this, 'address', signingKey.address);
utils.defineProperty(this, 'sign', function(transaction) {
var chainId = transaction.chainId;
if (!chainId && this.provider) { chainId = this.provider.chainId; }
if (!chainId) { chainId = 0; }
var raw = [];
transactionFields.forEach(function(fieldInfo) {
var value = transaction[fieldInfo.name] || ([]);
@ -80,21 +87,37 @@ function Wallet(privateKey, provider) {
raw.push(utils.hexlify(value));
});
if (chainId) {
raw.push(utils.hexlify(chainId));
raw.push('0x');
raw.push('0x');
}
var digest = utils.keccak256(utils.rlp.encode(raw));
var signature = signingKey.signDigest(digest);
raw.push(utils.hexlify([27 + signature.recoveryParam]));
var v = 27 + signature.recoveryParam
if (chainId) {
raw.pop();
raw.pop();
raw.pop();
v += chainId * 2 + 8;
}
raw.push(utils.hexlify(v));
raw.push(signature.r);
raw.push(signature.s);
return (utils.rlp.encode(raw));
return utils.rlp.encode(raw);
});
}
utils.defineProperty(Wallet, 'parseTransaction', function(rawTransaction) {
rawTransaction = utils.hexlify(rawTransaction, 'rawTransaction');
var signedTransaction = utils.rlp.decode(rawTransaction);
if (signedTransaction.length !== 9) { throw new Error('invalid transaction'); }
var raw = [];
var transaction = {};
@ -126,7 +149,6 @@ utils.defineProperty(Wallet, 'parseTransaction', function(rawTransaction) {
transaction.nonce = 0;
}
if (signedTransaction.length > 6) {
var v = utils.arrayify(signedTransaction[6]);
var r = utils.arrayify(signedTransaction[7]);
var s = utils.arrayify(signedTransaction[8]);
@ -136,18 +158,37 @@ utils.defineProperty(Wallet, 'parseTransaction', function(rawTransaction) {
transaction.r = signedTransaction[7];
transaction.s = signedTransaction[8];
var chainId = (transaction.v - 35) / 2;
if (chainId < 0) { chainId = 0; }
chainId = parseInt(chainId);
transaction.chainId = chainId;
var recoveryParam = transaction.v - 27;
if (chainId) {
raw.push(utils.hexlify(chainId));
raw.push('0x');
raw.push('0x');
recoveryParam -= chainId * 2 + 8;
}
var digest = utils.keccak256(utils.rlp.encode(raw));
try {
transaction.from = SigningKey.recover(digest, r, s, transaction.v - 27);
transaction.from = SigningKey.recover(digest, r, s, recoveryParam);
} catch (error) {
console.log(error);
}
}
}
return transaction;
});
utils.defineProperty(Wallet.prototype, 'getAddress', function() {
return this.address;
});
utils.defineProperty(Wallet.prototype, 'getBalance', function(blockTag) {
if (!this.provider) { throw new Error('missing provider'); }
return this.provider.getBalance(this.address, blockTag);
@ -206,6 +247,8 @@ utils.defineProperty(Wallet.prototype, 'sendTransaction', function(transaction)
});
});
var chainId = this.provider.chainId;
var toAddress = undefined;
if (transaction.to) { toAddress = utils.getAddress(transaction.to); }
@ -219,7 +262,8 @@ utils.defineProperty(Wallet.prototype, 'sendTransaction', function(transaction)
gasLimit: gasLimit,
gasPrice: results[0],
nonce: results[1],
value: value
value: value,
chainId: chainId
});
return self.provider.sendTransaction(signedTransaction);
@ -254,14 +298,28 @@ utils.defineProperty(Wallet.prototype, 'encrypt', function(password, options, pr
return secretStorage.encrypt(this.privateKey, password, options, progressCallback);
});
utils.defineProperty(Wallet, 'isValidWallet', function(json) {
utils.defineProperty(Wallet, 'isEncryptedWallet', function(json) {
return (secretStorage.isValidWallet(json) || secretStorage.isCrowdsaleWallet(json));
});
utils.defineProperty(Wallet, 'decrypt', function(json, password, progressCallback) {
utils.defineProperty(Wallet, 'createRandom', function(options) {
var entropy = utils.randomBytes(16);
if (options.extraEntropy) {
entropy = utils.keccak256(utils.concat([entropy, options.extraEntropy])).substring(0, 34);
}
var mnemonic = HDNode.entropyToMnemonic(entropy);
return Wallet.fromMnemonic(mnemonic, options.path);
});
utils.defineProperty(Wallet, 'fromEncryptedWallet', function(json, password, progressCallback) {
if (progressCallback && typeof(progressCallback) !== 'function') {
throw new Error('invalid callback');
}
return new Promise(function(resolve, reject) {
if (secretStorage.isCrowdsaleWallet(json)) {
@ -286,8 +344,20 @@ utils.defineProperty(Wallet, 'decrypt', function(json, password, progressCallbac
});
});
utils.defineProperty(Wallet, 'fromMnemonic', function(mnemonic, path) {
if (!path) { path = defaultPath; }
utils.defineProperty(Wallet, 'summonBrainWallet', function(username, password, progressCallback) {
var hdnode = HDNode.fromMnemonic(mnemonic).derivePath(path);
var wallet = new Wallet(hdnode.privateKey);
utils.defineProperty(wallet, 'mnemonic', mnemonic);
utils.defineProperty(wallet, 'path', path);
return wallet;
});
utils.defineProperty(Wallet, 'fromBrainWallet', function(username, password, progressCallback) {
if (progressCallback && typeof(progressCallback) !== 'function') {
throw new Error('invalid callback');
}
@ -324,12 +394,8 @@ utils.defineProperty(Wallet, 'summonBrainWallet', function(username, password, p
// return new Wallet(secretStorage.decryptCrowdsale(json, password));
//});
utils.defineProperty(Wallet, '_SigningKey', SigningKey);
// @TOOD: Move this to ethers.SigningKey, ethers.HDNode and ethers.Wallet
utils.defineProperty(Wallet, 'SigningKey', SigningKey);
utils.defineProperty(Wallet, 'HDNode', HDNode);
module.exports = Wallet;
require('ethers-utils/standalone.js')({
Wallet: module.exports
});