yann300
4 years ago
committed by
GitHub
commit
f5acfd6a3b
@ -1,46 +0,0 @@ |
||||
'use strict' |
||||
const { bufferToHex, isHexString } = require('ethereumjs-util') |
||||
|
||||
function convertToPrefixedHex (input) { |
||||
if (input === undefined || input === null || isHexString(input)) { |
||||
return input |
||||
} else if (Buffer.isBuffer(input)) { |
||||
return bufferToHex(input) |
||||
} |
||||
return '0x' + input.toString(16) |
||||
} |
||||
|
||||
/* |
||||
txResult.result can be 3 different things: |
||||
- VM call or tx: ethereumjs-vm result object |
||||
- Node transaction: object returned from eth.getTransactionReceipt() |
||||
- Node call: return value from function call (not an object) |
||||
|
||||
Also, VM results use BN and Buffers, Node results use hex strings/ints, |
||||
So we need to normalize the values to prefixed hex strings |
||||
*/ |
||||
function resultToRemixTx (txResult) { |
||||
const { result, transactionHash } = txResult |
||||
const { status, execResult, gasUsed, createdAddress, contractAddress } = result |
||||
let returnValue, errorMessage |
||||
|
||||
if (isHexString(result)) { |
||||
returnValue = result |
||||
} else if (execResult !== undefined) { |
||||
returnValue = execResult.returnValue |
||||
errorMessage = execResult.exceptionError |
||||
} |
||||
|
||||
return { |
||||
transactionHash, |
||||
status, |
||||
gasUsed: convertToPrefixedHex(gasUsed), |
||||
error: errorMessage, |
||||
return: convertToPrefixedHex(returnValue), |
||||
createdAddress: convertToPrefixedHex(createdAddress || contractAddress) |
||||
} |
||||
} |
||||
|
||||
module.exports = { |
||||
resultToRemixTx |
||||
} |
||||
@ -0,0 +1,121 @@ |
||||
'use strict' |
||||
import { Transaction } from '@ethereumjs/tx' |
||||
import { Block } from '@ethereumjs/block' |
||||
import { BN, bufferToHex, Address } from 'ethereumjs-util' |
||||
import { EventManager } from '../eventManager' |
||||
import { LogsManager } from './logsManager' |
||||
|
||||
export class TxRunnerVM { |
||||
event |
||||
blockNumber |
||||
runAsync |
||||
pendingTxs |
||||
vmaccounts |
||||
queusTxs |
||||
blocks |
||||
txs |
||||
logsManager |
||||
commonContext |
||||
getVMObject: () => any |
||||
|
||||
constructor (vmaccounts, api, getVMObject) { |
||||
this.event = new EventManager() |
||||
this.logsManager = new LogsManager() |
||||
// has a default for now for backwards compatability
|
||||
this.getVMObject = getVMObject |
||||
this.commonContext = this.getVMObject().common |
||||
this.blockNumber = 0 |
||||
this.runAsync = true |
||||
this.blockNumber = 0 // The VM is running in Homestead mode, which started at this block.
|
||||
this.runAsync = false // We have to run like this cause the VM Event Manager does not support running multiple txs at the same time.
|
||||
this.pendingTxs = {} |
||||
this.vmaccounts = vmaccounts |
||||
this.queusTxs = [] |
||||
this.blocks = [] |
||||
} |
||||
|
||||
execute (args, confirmationCb, gasEstimationForceSend, promptCb, callback) { |
||||
let data = args.data |
||||
if (data.slice(0, 2) !== '0x') { |
||||
data = '0x' + data |
||||
} |
||||
|
||||
try { |
||||
this.runInVm(args.from, args.to, data, args.value, args.gasLimit, args.useCall, args.timestamp, callback) |
||||
} catch (e) { |
||||
callback(e, null) |
||||
} |
||||
} |
||||
|
||||
runInVm (from, to, data, value, gasLimit, useCall, timestamp, callback) { |
||||
const self = this |
||||
const account = self.vmaccounts[from] |
||||
if (!account) { |
||||
return callback('Invalid account selected') |
||||
} |
||||
if (Number.isInteger(gasLimit)) { |
||||
gasLimit = '0x' + gasLimit.toString(16) |
||||
} |
||||
|
||||
this.getVMObject().stateManager.getAccount(Address.fromString(from)).then((res) => { |
||||
// See https://github.com/ethereumjs/ethereumjs-tx/blob/master/docs/classes/transaction.md#constructor
|
||||
// for initialization fields and their types
|
||||
value = value ? parseInt(value) : 0 |
||||
const tx = Transaction.fromTxData({ |
||||
nonce: new BN(res.nonce), |
||||
gasPrice: '0x1', |
||||
gasLimit: gasLimit, |
||||
to: to, |
||||
value: value, |
||||
data: Buffer.from(data.slice(2), 'hex') |
||||
}, { common: this.commonContext }).sign(account.privateKey) |
||||
|
||||
const coinbases = ['0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a', '0x8945a1288dc78a6d8952a92c77aee6730b414778', '0x94d76e24f818426ae84aa404140e8d5f60e10e7e'] |
||||
const difficulties = [new BN('69762765929000', 10), new BN('70762765929000', 10), new BN('71762765929000', 10)] |
||||
|
||||
var block = Block.fromBlockData({ |
||||
header: { |
||||
timestamp: timestamp || (new Date().getTime() / 1000 | 0), |
||||
number: self.blockNumber, |
||||
coinbase: coinbases[self.blockNumber % coinbases.length], |
||||
difficulty: difficulties[self.blockNumber % difficulties.length], |
||||
gasLimit: new BN(gasLimit.replace('0x', ''), 16).imuln(2) |
||||
}, |
||||
transactions: [tx] |
||||
}, { common: this.commonContext }) |
||||
|
||||
if (!useCall) { |
||||
++self.blockNumber |
||||
this.runBlockInVm(tx, block, callback) |
||||
} else { |
||||
this.getVMObject().stateManager.checkpoint().then(() => { |
||||
this.runBlockInVm(tx, block, (err, result) => { |
||||
this.getVMObject().stateManager.revert().then(() => { |
||||
callback(err, result) |
||||
}) |
||||
}) |
||||
}) |
||||
} |
||||
}).catch((e) => { |
||||
callback(e) |
||||
}) |
||||
} |
||||
|
||||
runBlockInVm (tx, block, callback) { |
||||
this.getVMObject().vm.runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }).then((results) => { |
||||
const result = results.results[0] |
||||
if (result) { |
||||
const status = result.execResult.exceptionError ? 0 : 1 |
||||
result.status = `0x${status}` |
||||
} |
||||
callback(null, { |
||||
result: result, |
||||
transactionHash: bufferToHex(Buffer.from(tx.hash())), |
||||
block, |
||||
tx |
||||
}) |
||||
}).catch(function (err) { |
||||
callback(err) |
||||
}) |
||||
} |
||||
} |
||||
@ -0,0 +1,147 @@ |
||||
'use strict' |
||||
import { EventManager } from '../eventManager' |
||||
import Web3 from 'web3' |
||||
|
||||
export class TxRunnerWeb3 { |
||||
event |
||||
_api |
||||
getWeb3: () => Web3 |
||||
currentblockGasLimit: () => number |
||||
|
||||
constructor (api, getWeb3, currentblockGasLimit) { |
||||
this.event = new EventManager() |
||||
this.getWeb3 = getWeb3 |
||||
this.currentblockGasLimit = currentblockGasLimit |
||||
this._api = api |
||||
} |
||||
|
||||
_executeTx (tx, gasPrice, api, promptCb, callback) { |
||||
if (gasPrice) tx.gasPrice = this.getWeb3().utils.toHex(gasPrice) |
||||
if (api.personalMode()) { |
||||
promptCb( |
||||
(value) => { |
||||
this._sendTransaction((this.getWeb3() as any).personal.sendTransaction, tx, value, callback) |
||||
}, |
||||
() => { |
||||
return callback('Canceled by user.') |
||||
} |
||||
) |
||||
} else { |
||||
this._sendTransaction(this.getWeb3().eth.sendTransaction, tx, null, callback) |
||||
} |
||||
} |
||||
|
||||
_sendTransaction (sendTx, tx, pass, callback) { |
||||
const cb = (err, resp) => { |
||||
if (err) { |
||||
return callback(err, resp) |
||||
} |
||||
this.event.trigger('transactionBroadcasted', [resp]) |
||||
var listenOnResponse = () => { |
||||
// eslint-disable-next-line no-async-promise-executor
|
||||
return new Promise(async (resolve, reject) => { |
||||
const receipt = await tryTillReceiptAvailable(resp, this.getWeb3()) |
||||
tx = await tryTillTxAvailable(resp, this.getWeb3()) |
||||
resolve({ |
||||
receipt, |
||||
tx, |
||||
transactionHash: receipt ? receipt['transactionHash'] : null |
||||
}) |
||||
}) |
||||
} |
||||
listenOnResponse().then((txData) => { callback(null, txData) }).catch((error) => { callback(error) }) |
||||
} |
||||
const args = pass !== null ? [tx, pass, cb] : [tx, cb] |
||||
try { |
||||
sendTx.apply({}, args) |
||||
} catch (e) { |
||||
return callback(`Send transaction failed: ${e.message} . if you use an injected provider, please check it is properly unlocked. `) |
||||
} |
||||
} |
||||
|
||||
execute (args, confirmationCb, gasEstimationForceSend, promptCb, callback) { |
||||
let data = args.data |
||||
if (data.slice(0, 2) !== '0x') { |
||||
data = '0x' + data |
||||
} |
||||
|
||||
return this.runInNode(args.from, args.to, data, args.value, args.gasLimit, args.useCall, args.timestamp, confirmationCb, gasEstimationForceSend, promptCb, callback) |
||||
} |
||||
|
||||
runInNode (from, to, data, value, gasLimit, useCall, timestamp, confirmCb, gasEstimationForceSend, promptCb, callback) { |
||||
const tx = { from: from, to: to, data: data, value: value } |
||||
|
||||
if (useCall) { |
||||
const tag = Date.now() // for e2e reference
|
||||
tx['gas'] = gasLimit |
||||
tx['timestamp'] = timestamp |
||||
return this.getWeb3().eth.call(tx, function (error, result: any) { |
||||
if (error) return callback(error) |
||||
callback(null, { |
||||
result: result |
||||
}) |
||||
}) |
||||
} |
||||
this.getWeb3().eth.estimateGas(tx, (err, gasEstimation) => { |
||||
if (err && err.message.indexOf('Invalid JSON RPC response') !== -1) { |
||||
// // @todo(#378) this should be removed when https://github.com/WalletConnect/walletconnect-monorepo/issues/334 is fixed
|
||||
callback(new Error('Gas estimation failed because of an unknown internal error. This may indicated that the transaction will fail.')) |
||||
} |
||||
gasEstimationForceSend(err, () => { |
||||
// callback is called whenever no error
|
||||
tx['gas'] = !gasEstimation ? gasLimit : gasEstimation |
||||
|
||||
if (this._api.config.getUnpersistedProperty('doNotShowTransactionConfirmationAgain')) { |
||||
return this._executeTx(tx, null, this._api, promptCb, callback) |
||||
} |
||||
|
||||
this._api.detectNetwork((err, network) => { |
||||
if (err) { |
||||
console.log(err) |
||||
return |
||||
} |
||||
|
||||
confirmCb(network, tx, tx['gas'], (gasPrice) => { |
||||
return this._executeTx(tx, gasPrice, this._api, promptCb, callback) |
||||
}, (error) => { |
||||
callback(error) |
||||
}) |
||||
}) |
||||
}, () => { |
||||
const blockGasLimit = this.currentblockGasLimit() |
||||
// NOTE: estimateGas very likely will return a large limit if execution of the code failed
|
||||
// we want to be able to run the code in order to debug and find the cause for the failure
|
||||
if (err) return callback(err) |
||||
|
||||
let warnEstimation = ' An important gas estimation might also be the sign of a problem in the contract code. Please check loops and be sure you did not sent value to a non payable function (that\'s also the reason of strong gas estimation). ' |
||||
warnEstimation += ' ' + err |
||||
|
||||
if (gasEstimation > gasLimit) { |
||||
return callback('Gas required exceeds limit: ' + gasLimit + '. ' + warnEstimation) |
||||
} |
||||
if (gasEstimation > blockGasLimit) { |
||||
return callback('Gas required exceeds block gas limit: ' + gasLimit + '. ' + warnEstimation) |
||||
} |
||||
}) |
||||
}) |
||||
} |
||||
} |
||||
|
||||
async function tryTillReceiptAvailable (txhash, web3) { |
||||
try { |
||||
const receipt = await web3.eth.getTransactionReceipt(txhash) |
||||
if (receipt) return receipt |
||||
} catch (e) {} |
||||
await pause() |
||||
return await tryTillReceiptAvailable(txhash, web3) |
||||
} |
||||
|
||||
async function tryTillTxAvailable (txhash, web3) { |
||||
try { |
||||
const tx = await web3.eth.getTransaction(txhash) |
||||
if (tx) return tx |
||||
} catch (e) {} |
||||
return await tryTillTxAvailable(txhash, web3) |
||||
} |
||||
|
||||
async function pause () { return new Promise((resolve, reject) => { setTimeout(resolve, 500) }) } |
||||
@ -1,379 +0,0 @@ |
||||
import { waterfall } from 'async' |
||||
import { BN, privateToAddress, isValidPrivate, toChecksumAddress, Address } from 'ethereumjs-util' |
||||
import { randomBytes } from 'crypto' |
||||
import { EventEmitter } from 'events' |
||||
import { TxRunner } from './execution/txRunner' |
||||
import { sortAbiFunction, getFallbackInterface, getReceiveInterface, inputParametersDeclarationToString } from './execution/txHelper' |
||||
import { EventManager } from './eventManager' |
||||
import { ExecutionContext } from './execution/execution-context' |
||||
import { resultToRemixTx } from './helpers/txResultHelper' |
||||
|
||||
export class UniversalDApp { |
||||
events |
||||
event |
||||
executionContext |
||||
config |
||||
txRunner |
||||
accounts |
||||
transactionContextAPI |
||||
|
||||
constructor (config, executionContext) { |
||||
this.events = new EventEmitter() |
||||
this.event = new EventManager() |
||||
// has a default for now for backwards compatability
|
||||
this.executionContext = executionContext || new ExecutionContext() |
||||
this.config = config |
||||
|
||||
this.txRunner = new TxRunner({}, { |
||||
config: config, |
||||
detectNetwork: (cb) => { |
||||
this.executionContext.detectNetwork(cb) |
||||
}, |
||||
personalMode: () => { |
||||
return this.executionContext.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false |
||||
} |
||||
}, this.executionContext) |
||||
this.accounts = {} |
||||
this.executionContext.event.register('contextChanged', this.resetEnvironment.bind(this)) |
||||
} |
||||
|
||||
// TODO : event should be triggered by Udapp instead of TxListener
|
||||
/** Listen on New Transaction. (Cannot be done inside constructor because txlistener doesn't exist yet) */ |
||||
startListening (txlistener) { |
||||
txlistener.event.register('newTransaction', (tx) => { |
||||
this.events.emit('newTransaction', tx) |
||||
}) |
||||
} |
||||
|
||||
resetEnvironment () { |
||||
this.accounts = {} |
||||
if (this.executionContext.isVM()) { |
||||
this._addAccount('3cd7232cd6f3fc66a57a6bedc1a8ed6c228fff0a327e169c2bcc5e869ed49511', '0x56BC75E2D63100000') |
||||
this._addAccount('2ac6c190b09897cd8987869cc7b918cfea07ee82038d492abce033c75c1b1d0c', '0x56BC75E2D63100000') |
||||
this._addAccount('dae9801649ba2d95a21e688b56f77905e5667c44ce868ec83f82e838712a2c7a', '0x56BC75E2D63100000') |
||||
this._addAccount('d74aa6d18aa79a05f3473dd030a97d3305737cbc8337d940344345c1f6b72eea', '0x56BC75E2D63100000') |
||||
this._addAccount('71975fbf7fe448e004ac7ae54cad0a383c3906055a65468714156a07385e96ce', '0x56BC75E2D63100000') |
||||
} |
||||
// TODO: most params here can be refactored away in txRunner
|
||||
this.txRunner = new TxRunner(this.accounts, { |
||||
// TODO: only used to check value of doNotShowTransactionConfirmationAgain property
|
||||
config: this.config, |
||||
// TODO: to refactor, TxRunner already has access to executionContext
|
||||
detectNetwork: (cb) => { |
||||
this.executionContext.detectNetwork(cb) |
||||
}, |
||||
personalMode: () => { |
||||
return this.executionContext.getProvider() === 'web3' ? this.config.get('settings/personal-mode') : false |
||||
} |
||||
}, this.executionContext) |
||||
this.txRunner.event.register('transactionBroadcasted', (txhash) => { |
||||
this.executionContext.detectNetwork((error, network) => { |
||||
if (error || !network) return |
||||
this.event.trigger('transactionBroadcasted', [txhash, network.name]) |
||||
}) |
||||
}) |
||||
} |
||||
|
||||
resetAPI (transactionContextAPI) { |
||||
this.transactionContextAPI = transactionContextAPI |
||||
} |
||||
|
||||
/** |
||||
* Create a VM Account |
||||
* @param {{privateKey: string, balance: string}} newAccount The new account to create |
||||
*/ |
||||
createVMAccount (newAccount) { |
||||
const { privateKey, balance } = newAccount |
||||
if (this.executionContext.getProvider() !== 'vm') { |
||||
throw new Error('plugin API does not allow creating a new account through web3 connection. Only vm mode is allowed') |
||||
} |
||||
this._addAccount(privateKey, balance) |
||||
const privKey = Buffer.from(privateKey, 'hex') |
||||
return '0x' + privateToAddress(privKey).toString('hex') |
||||
} |
||||
|
||||
newAccount (password, passwordPromptCb, cb) { |
||||
if (!this.executionContext.isVM()) { |
||||
if (!this.config.get('settings/personal-mode')) { |
||||
return cb('Not running in personal mode') |
||||
} |
||||
return passwordPromptCb((passphrase) => { |
||||
this.executionContext.web3().personal.newAccount(passphrase, cb) |
||||
}) |
||||
} |
||||
let privateKey |
||||
do { |
||||
privateKey = randomBytes(32) |
||||
} while (!isValidPrivate(privateKey)) |
||||
this._addAccount(privateKey, '0x56BC75E2D63100000') |
||||
cb(null, '0x' + privateToAddress(privateKey).toString('hex')) |
||||
} |
||||
|
||||
/** Add an account to the list of account (only for Javascript VM) */ |
||||
_addAccount (privateKey, balance) { |
||||
if (!this.executionContext.isVM()) { |
||||
throw new Error('_addAccount() cannot be called in non-VM mode') |
||||
} |
||||
|
||||
if (!this.accounts) { |
||||
return |
||||
} |
||||
privateKey = Buffer.from(privateKey, 'hex') |
||||
const address = privateToAddress(privateKey) |
||||
|
||||
// FIXME: we don't care about the callback, but we should still make this proper
|
||||
const stateManager = this.executionContext.vm().stateManager |
||||
stateManager.getAccount(address).then((account) => { |
||||
account.balance = new BN(balance.replace('0x', '') || 'f00000000000000001', 16) |
||||
stateManager.putAccount(address, account).catch((error) => { |
||||
console.log(error) |
||||
}) |
||||
}).catch((error) => { |
||||
console.log(error) |
||||
}) |
||||
|
||||
this.accounts[toChecksumAddress('0x' + address.toString('hex'))] = { privateKey, nonce: 0 } |
||||
} |
||||
|
||||
/** Return the list of accounts */ |
||||
getAccounts (cb) { |
||||
return new Promise((resolve, reject) => { |
||||
const provider = this.executionContext.getProvider() |
||||
switch (provider) { |
||||
case 'vm': |
||||
if (!this.accounts) { |
||||
if (cb) cb('No accounts?') |
||||
reject(new Error('No accounts?')) |
||||
return |
||||
} |
||||
if (cb) cb(null, Object.keys(this.accounts)) |
||||
resolve(Object.keys(this.accounts)) |
||||
break |
||||
case 'web3': |
||||
if (this.config.get('settings/personal-mode')) { |
||||
return this.executionContext.web3().personal.getListAccounts((error, accounts) => { |
||||
if (cb) cb(error, accounts) |
||||
if (error) return reject(error) |
||||
resolve(accounts) |
||||
}) |
||||
} else { |
||||
this.executionContext.web3().eth.getAccounts((error, accounts) => { |
||||
if (cb) cb(error, accounts) |
||||
if (error) return reject(error) |
||||
resolve(accounts) |
||||
}) |
||||
} |
||||
break |
||||
case 'injected': { |
||||
this.executionContext.web3().eth.getAccounts((error, accounts) => { |
||||
if (cb) cb(error, accounts) |
||||
if (error) return reject(error) |
||||
resolve(accounts) |
||||
}) |
||||
} |
||||
} |
||||
}) |
||||
} |
||||
|
||||
/** Get the balance of an address */ |
||||
getBalance (address, cb) { |
||||
if (!this.executionContext.isVM()) { |
||||
return this.executionContext.web3().eth.getBalance(address, (err, res) => { |
||||
if (err) { |
||||
return cb(err) |
||||
} |
||||
cb(null, res.toString(10)) |
||||
}) |
||||
} |
||||
if (!this.accounts) { |
||||
return cb('No accounts?') |
||||
} |
||||
|
||||
this.executionContext.vm().stateManager.getAccount(Address.fromString(address)).then((res) => { |
||||
cb(null, new BN(res.balance).toString(10)) |
||||
}).catch(() => { |
||||
cb('Account not found') |
||||
}) |
||||
} |
||||
|
||||
/** Get the balance of an address, and convert wei to ether */ |
||||
getBalanceInEther (address, callback) { |
||||
this.getBalance(address, (error, balance) => { |
||||
if (error) { |
||||
return callback(error) |
||||
} |
||||
callback(null, this.executionContext.web3().utils.fromWei(balance, 'ether')) |
||||
}) |
||||
} |
||||
|
||||
pendingTransactionsCount () { |
||||
return Object.keys(this.txRunner.pendingTxs).length |
||||
} |
||||
|
||||
/** |
||||
* deploy the given contract |
||||
* |
||||
* @param {String} data - data to send with the transaction ( return of txFormat.buildData(...) ). |
||||
* @param {Function} callback - callback. |
||||
*/ |
||||
createContract (data, confirmationCb, continueCb, promptCb, callback) { |
||||
this.runTx({ data: data, useCall: false }, confirmationCb, continueCb, promptCb, callback) |
||||
} |
||||
|
||||
/** |
||||
* call the current given contract |
||||
* |
||||
* @param {String} to - address of the contract to call. |
||||
* @param {String} data - data to send with the transaction ( return of txFormat.buildData(...) ). |
||||
* @param {Object} funAbi - abi definition of the function to call. |
||||
* @param {Function} callback - callback. |
||||
*/ |
||||
callFunction (to, data, funAbi, confirmationCb, continueCb, promptCb, callback) { |
||||
const useCall = funAbi.stateMutability === 'view' || funAbi.stateMutability === 'pure' |
||||
this.runTx({ to, data, useCall }, confirmationCb, continueCb, promptCb, callback) |
||||
} |
||||
|
||||
/** |
||||
* call the current given contract |
||||
* |
||||
* @param {String} to - address of the contract to call. |
||||
* @param {String} data - data to send with the transaction ( return of txFormat.buildData(...) ). |
||||
* @param {Function} callback - callback. |
||||
*/ |
||||
sendRawTransaction (to, data, confirmationCb, continueCb, promptCb, callback) { |
||||
this.runTx({ to, data, useCall: false }, confirmationCb, continueCb, promptCb, callback) |
||||
} |
||||
|
||||
context () { |
||||
return (this.executionContext.isVM() ? 'memory' : 'blockchain') |
||||
} |
||||
|
||||
getABI (contract) { |
||||
return sortAbiFunction(contract.abi) |
||||
} |
||||
|
||||
getFallbackInterface (contractABI) { |
||||
return getFallbackInterface(contractABI) |
||||
} |
||||
|
||||
getReceiveInterface (contractABI) { |
||||
return getReceiveInterface(contractABI) |
||||
} |
||||
|
||||
getInputs (funABI) { |
||||
if (!funABI.inputs) { |
||||
return '' |
||||
} |
||||
return inputParametersDeclarationToString(funABI.inputs) |
||||
} |
||||
|
||||
/** |
||||
* This function send a tx only to javascript VM or testnet, will return an error for the mainnet |
||||
* SHOULD BE TAKEN CAREFULLY! |
||||
* |
||||
* @param {Object} tx - transaction. |
||||
*/ |
||||
sendTransaction (tx) { |
||||
return new Promise((resolve, reject) => { |
||||
this.executionContext.detectNetwork((error, network) => { |
||||
if (error) return reject(error) |
||||
if (network.name === 'Main' && network.id === '1') { |
||||
return reject(new Error('It is not allowed to make this action against mainnet')) |
||||
} |
||||
this.silentRunTx(tx, (error, result) => { |
||||
if (error) return reject(error) |
||||
try { |
||||
resolve(resultToRemixTx(result)) |
||||
} catch (e) { |
||||
reject(e) |
||||
} |
||||
}) |
||||
}) |
||||
}) |
||||
} |
||||
|
||||
/** |
||||
* This function send a tx without alerting the user (if mainnet or if gas estimation too high). |
||||
* SHOULD BE TAKEN CAREFULLY! |
||||
* |
||||
* @param {Object} tx - transaction. |
||||
* @param {Function} callback - callback. |
||||
*/ |
||||
silentRunTx (tx, cb) { |
||||
this.txRunner.rawRun( |
||||
tx, |
||||
(network, tx, gasEstimation, continueTxExecution, cancelCb) => { continueTxExecution() }, |
||||
(error, continueTxExecution, cancelCb) => { if (error) { cb(error) } else { continueTxExecution() } }, |
||||
(okCb, cancelCb) => { okCb() }, |
||||
cb |
||||
) |
||||
} |
||||
|
||||
runTx (args, confirmationCb, continueCb, promptCb, cb) { |
||||
const self = this |
||||
waterfall([ |
||||
function getGasLimit (next) { |
||||
if (self.transactionContextAPI.getGasLimit) { |
||||
return self.transactionContextAPI.getGasLimit(next) |
||||
} |
||||
next(null, 3000000) |
||||
}, |
||||
function queryValue (gasLimit, next) { |
||||
if (args.value) { |
||||
return next(null, args.value, gasLimit) |
||||
} |
||||
if (args.useCall || !self.transactionContextAPI.getValue) { |
||||
return next(null, 0, gasLimit) |
||||
} |
||||
self.transactionContextAPI.getValue(function (err, value) { |
||||
next(err, value, gasLimit) |
||||
}) |
||||
}, |
||||
function getAccount (value, gasLimit, next) { |
||||
if (args.from) { |
||||
return next(null, args.from, value, gasLimit) |
||||
} |
||||
if (self.transactionContextAPI.getAddress) { |
||||
return self.transactionContextAPI.getAddress(function (err, address) { |
||||
next(err, address, value, gasLimit) |
||||
}) |
||||
} |
||||
self.getAccounts(function (err, accounts) { |
||||
const address = accounts[0] |
||||
|
||||
if (err) return next(err) |
||||
if (!address) return next('No accounts available') |
||||
if (self.executionContext.isVM() && !self.accounts[address]) { |
||||
return next('Invalid account selected') |
||||
} |
||||
next(null, address, value, gasLimit) |
||||
}) |
||||
}, |
||||
function runTransaction (fromAddress, value, gasLimit, next) { |
||||
const tx = { to: args.to, data: args.data.dataHex, useCall: args.useCall, from: fromAddress, value: value, gasLimit: gasLimit, timestamp: args.data.timestamp } |
||||
const payLoad = { funAbi: args.data.funAbi, funArgs: args.data.funArgs, contractBytecode: args.data.contractBytecode, contractName: args.data.contractName, contractABI: args.data.contractABI, linkReferences: args.data.linkReferences } |
||||
let timestamp = Date.now() |
||||
if (tx.timestamp) { |
||||
timestamp = tx.timestamp |
||||
} |
||||
|
||||
self.event.trigger('initiatingTransaction', [timestamp, tx, payLoad]) |
||||
self.txRunner.rawRun(tx, confirmationCb, continueCb, promptCb, |
||||
function (error, result) { |
||||
const eventName = (tx.useCall ? 'callExecuted' : 'transactionExecuted') |
||||
self.event.trigger(eventName, [error, tx.from, tx.to, tx.data, tx.useCall, result, timestamp, payLoad]) |
||||
|
||||
if (error && (typeof (error) !== 'string')) { |
||||
if (error.message) error = error.message |
||||
else { |
||||
// eslint-disable-next-line no-empty
|
||||
try { error = 'error: ' + JSON.stringify(error) } catch (e) {} |
||||
} |
||||
} |
||||
next(error, result) |
||||
} |
||||
) |
||||
} |
||||
], cb) |
||||
} |
||||
} |
||||
@ -1 +1 @@ |
||||
export { Provider } from './provider' |
||||
export { Provider, extend } from './provider' |
||||
|
||||
@ -0,0 +1,169 @@ |
||||
/* global ethereum */ |
||||
'use strict' |
||||
import Web3 from 'web3' |
||||
import { rlp, keccak, bufferToHex } from 'ethereumjs-util' |
||||
import { vm as remixLibVm, execution } from '@remix-project/remix-lib' |
||||
import VM from '@ethereumjs/vm' |
||||
import Common from '@ethereumjs/common' |
||||
import StateManager from '@ethereumjs/vm/dist/state/stateManager' |
||||
import { StorageDump } from '@ethereumjs/vm/dist/state/interface' |
||||
|
||||
/* |
||||
extend vm state manager and instanciate VM |
||||
*/ |
||||
|
||||
class StateManagerCommonStorageDump extends StateManager { |
||||
keyHashes: { [key: string]: string } |
||||
constructor () { |
||||
super() |
||||
this.keyHashes = {} |
||||
} |
||||
|
||||
putContractStorage (address, key, value) { |
||||
this.keyHashes[keccak(key).toString('hex')] = bufferToHex(key) |
||||
return super.putContractStorage(address, key, value) |
||||
} |
||||
|
||||
async dumpStorage (address) { |
||||
let trie |
||||
try { |
||||
trie = await this._getStorageTrie(address) |
||||
} catch (e) { |
||||
console.log(e) |
||||
throw e |
||||
} |
||||
return new Promise<StorageDump>((resolve, reject) => { |
||||
try { |
||||
const storage = {} |
||||
const stream = trie.createReadStream() |
||||
stream.on('data', (val) => { |
||||
const value = rlp.decode(val.value) |
||||
storage['0x' + val.key.toString('hex')] = { |
||||
key: this.keyHashes[val.key.toString('hex')], |
||||
value: '0x' + value.toString('hex') |
||||
} |
||||
}) |
||||
stream.on('end', function () { |
||||
resolve(storage) |
||||
}) |
||||
} catch (e) { |
||||
reject(e) |
||||
} |
||||
}) |
||||
} |
||||
|
||||
async getStateRoot (force = false) { |
||||
await this._cache.flush() |
||||
|
||||
const stateRoot = this._trie.root |
||||
return stateRoot |
||||
} |
||||
|
||||
async setStateRoot (stateRoot) { |
||||
await this._cache.flush() |
||||
|
||||
if (stateRoot === this._trie.EMPTY_TRIE_ROOT) { |
||||
this._trie.root = stateRoot |
||||
this._cache.clear() |
||||
this._storageTries = {} |
||||
return |
||||
} |
||||
|
||||
const hasRoot = await this._trie.checkRoot(stateRoot) |
||||
if (!hasRoot) { |
||||
throw new Error('State trie does not contain state root') |
||||
} |
||||
|
||||
this._trie.root = stateRoot |
||||
this._cache.clear() |
||||
this._storageTries = {} |
||||
} |
||||
} |
||||
|
||||
/* |
||||
trigger contextChanged, web3EndpointChanged |
||||
*/ |
||||
export class VMContext { |
||||
currentFork: string |
||||
blockGasLimitDefault: number |
||||
blockGasLimit: number |
||||
customNetWorks |
||||
blocks |
||||
latestBlockNumber |
||||
txs |
||||
vms |
||||
web3vm |
||||
logsManager |
||||
exeResults |
||||
|
||||
constructor () { |
||||
this.blockGasLimitDefault = 4300000 |
||||
this.blockGasLimit = this.blockGasLimitDefault |
||||
this.currentFork = 'berlin' |
||||
this.vms = { |
||||
/* |
||||
byzantium: createVm('byzantium'), |
||||
constantinople: createVm('constantinople'), |
||||
petersburg: createVm('petersburg'), |
||||
istanbul: createVm('istanbul'), |
||||
*/ |
||||
berlin: this.createVm('berlin') |
||||
} |
||||
this.blocks = {} |
||||
this.latestBlockNumber = 0 |
||||
this.txs = {} |
||||
this.exeResults = {} |
||||
this.logsManager = new execution.LogsManager() |
||||
} |
||||
|
||||
createVm (hardfork) { |
||||
const stateManager = new StateManagerCommonStorageDump() |
||||
const common = new Common({ chain: 'mainnet', hardfork }) |
||||
const vm = new VM({ |
||||
common, |
||||
activatePrecompiles: true, |
||||
stateManager: stateManager |
||||
}) |
||||
|
||||
const web3vm = new remixLibVm.Web3VMProvider() |
||||
web3vm.setVM(vm) |
||||
return { vm, web3vm, stateManager, common } |
||||
} |
||||
|
||||
web3 () { |
||||
return this.vms[this.currentFork].web3vm |
||||
} |
||||
|
||||
blankWeb3 () { |
||||
return new Web3() |
||||
} |
||||
|
||||
vm () { |
||||
return this.vms[this.currentFork].vm |
||||
} |
||||
|
||||
vmObject () { |
||||
return this.vms[this.currentFork] |
||||
} |
||||
|
||||
addBlock (block) { |
||||
let blockNumber = '0x' + block.header.number.toString('hex') |
||||
if (blockNumber === '0x') { |
||||
blockNumber = '0x0' |
||||
} |
||||
|
||||
this.blocks['0x' + block.hash().toString('hex')] = block |
||||
this.blocks[blockNumber] = block |
||||
this.latestBlockNumber = blockNumber |
||||
|
||||
this.logsManager.checkBlock(blockNumber, block, this.web3()) |
||||
} |
||||
|
||||
trackTx (tx, block) { |
||||
this.txs[tx] = block |
||||
} |
||||
|
||||
trackExecResult (tx, execReult) { |
||||
this.exeResults[tx] = execReult |
||||
} |
||||
} |
||||
Loading…
Reference in new issue