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267 lines
8.8 KiB
267 lines
8.8 KiB
/* global */
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'use strict'
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var async = require('async')
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var ethJSUtil = require('ethereumjs-util')
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var BN = ethJSUtil.BN
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var remixLib = require('remix-lib')
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var EventManager = remixLib.EventManager
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var crypto = require('crypto')
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var TxRunner = require('./app/execution/txRunner')
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var txFormat = require('./app/execution/txFormat')
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var txHelper = require('./app/execution/txHelper')
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var txExecution = require('./app/execution/txExecution')
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var executionContext = require('./execution-context')
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var modalCustom = require('./app/ui/modal-dialog-custom')
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/*
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trigger debugRequested
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*/
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function UniversalDApp (opts = {}) {
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this.event = new EventManager()
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var self = this
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self._api = opts.api
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self.removable = opts.opt.removable
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self.removable_instances = opts.opt.removable_instances
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executionContext.event.register('contextChanged', this, function (context) {
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self.reset(self.contracts)
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})
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self.txRunner = new TxRunner({}, opts.api)
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}
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UniversalDApp.prototype.reset = function (contracts, transactionContextAPI) {
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this.contracts = contracts
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if (transactionContextAPI) {
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this.transactionContextAPI = transactionContextAPI
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}
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this.accounts = {}
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if (executionContext.isVM()) {
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this._addAccount('3cd7232cd6f3fc66a57a6bedc1a8ed6c228fff0a327e169c2bcc5e869ed49511', '0x56BC75E2D63100000')
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this._addAccount('2ac6c190b09897cd8987869cc7b918cfea07ee82038d492abce033c75c1b1d0c', '0x56BC75E2D63100000')
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this._addAccount('dae9801649ba2d95a21e688b56f77905e5667c44ce868ec83f82e838712a2c7a', '0x56BC75E2D63100000')
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this._addAccount('d74aa6d18aa79a05f3473dd030a97d3305737cbc8337d940344345c1f6b72eea', '0x56BC75E2D63100000')
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this._addAccount('71975fbf7fe448e004ac7ae54cad0a383c3906055a65468714156a07385e96ce', '0x56BC75E2D63100000')
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executionContext.vm().stateManager.cache.flush(function () {})
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}
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this.txRunner = new TxRunner(this.accounts, this._api)
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}
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UniversalDApp.prototype.newAccount = function (password, cb) {
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if (!executionContext.isVM()) {
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if (!this._api.personalMode()) {
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return cb('Not running in personal mode')
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}
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modalCustom.promptPassphraseCreation((error, passphrase) => {
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if (error) {
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modalCustom.alert(error)
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} else {
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executionContext.web3().personal.newAccount(passphrase, cb)
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}
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}, () => {})
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} else {
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var privateKey
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do {
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privateKey = crypto.randomBytes(32)
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} while (!ethJSUtil.isValidPrivate(privateKey))
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this._addAccount(privateKey, '0x56BC75E2D63100000')
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cb(null, '0x' + ethJSUtil.privateToAddress(privateKey).toString('hex'))
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}
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}
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UniversalDApp.prototype._addAccount = function (privateKey, balance) {
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var self = this
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if (!executionContext.isVM()) {
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throw new Error('_addAccount() cannot be called in non-VM mode')
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}
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if (self.accounts) {
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privateKey = new Buffer(privateKey, 'hex')
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var address = ethJSUtil.privateToAddress(privateKey)
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// FIXME: we don't care about the callback, but we should still make this proper
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executionContext.vm().stateManager.putAccountBalance(address, balance || '0xf00000000000000001', function cb () {})
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self.accounts['0x' + address.toString('hex')] = { privateKey: privateKey, nonce: 0 }
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}
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}
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UniversalDApp.prototype.getAccounts = function (cb) {
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var self = this
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if (!executionContext.isVM()) {
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// Weirdness of web3: listAccounts() is sync, `getListAccounts()` is async
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// See: https://github.com/ethereum/web3.js/issues/442
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if (this._api.personalMode()) {
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executionContext.web3().personal.getListAccounts(cb)
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} else {
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executionContext.web3().eth.getAccounts(cb)
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}
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} else {
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if (!self.accounts) {
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return cb('No accounts?')
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}
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cb(null, Object.keys(self.accounts))
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}
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}
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UniversalDApp.prototype.getBalance = function (address, cb) {
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var self = this
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address = ethJSUtil.stripHexPrefix(address)
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if (!executionContext.isVM()) {
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executionContext.web3().eth.getBalance(address, function (err, res) {
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if (err) {
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cb(err)
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} else {
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cb(null, res.toString(10))
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}
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})
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} else {
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if (!self.accounts) {
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return cb('No accounts?')
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}
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executionContext.vm().stateManager.getAccountBalance(new Buffer(address, 'hex'), function (err, res) {
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if (err) {
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cb('Account not found')
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} else {
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cb(null, new BN(res).toString(10))
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}
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})
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}
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}
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UniversalDApp.prototype.pendingTransactions = function () {
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return this.txRunner.pendingTxs
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}
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UniversalDApp.prototype.call = function (isUserAction, args, value, lookupOnly, outputCb) {
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const self = this
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var logMsg
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if (isUserAction) {
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if (!args.funABI.constant) {
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logMsg = `transact to ${args.contractName}.${(args.funABI.name) ? args.funABI.name : '(fallback)'}`
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} else {
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logMsg = `call to ${args.contractName}.${(args.funABI.name) ? args.funABI.name : '(fallback)'}`
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}
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}
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txFormat.buildData(args.contractName, args.contractAbi, self.contracts, false, args.funABI, value, self, (error, data) => {
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if (!error) {
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if (isUserAction) {
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if (!args.funABI.constant) {
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self._api.logMessage(`${logMsg} pending ... `)
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} else {
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self._api.logMessage(`${logMsg}`)
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}
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}
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txExecution.callFunction(args.address, data, args.funABI, self, (error, txResult) => {
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if (!error) {
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var isVM = executionContext.isVM()
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if (isVM) {
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var vmError = txExecution.checkVMError(txResult)
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if (vmError.error) {
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self._api.logMessage(`${logMsg} errored: ${vmError.message} `)
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return
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}
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}
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if (lookupOnly) {
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var decoded = txFormat.decodeResponseToTreeView(executionContext.isVM() ? txResult.result.vm.return : ethJSUtil.toBuffer(txResult.result), args.funABI)
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outputCb(decoded)
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}
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} else {
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self._api.logMessage(`${logMsg} errored: ${error} `)
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}
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})
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} else {
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self._api.logMessage(`${logMsg} errored: ${error} `)
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}
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}, (msg) => {
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self._api.logMessage(msg)
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})
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}
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UniversalDApp.prototype.context = function () {
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return (executionContext.isVM() ? 'memory' : 'blockchain')
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}
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UniversalDApp.prototype.getABI = function (contract) {
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return txHelper.sortAbiFunction(contract.abi)
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}
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UniversalDApp.prototype.getFallbackInterface = function (contractABI) {
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return txHelper.getFallbackInterface(contractABI)
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}
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UniversalDApp.prototype.getInputs = function (funABI) {
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if (!funABI.inputs) {
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return ''
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}
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return txHelper.inputParametersDeclarationToString(funABI.inputs)
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}
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UniversalDApp.prototype.runTx = function (args, cb) {
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const self = this
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async.waterfall([
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function getGasLimit (next) {
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if (self.transactionContextAPI.getGasLimit) {
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return self.transactionContextAPI.getGasLimit(next)
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}
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next(null, 3000000)
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},
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function queryValue (gasLimit, next) {
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if (args.value) {
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return next(null, args.value, gasLimit)
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}
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if (args.useCall || !self.transactionContextAPI.getValue) {
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return next(null, 0, gasLimit)
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}
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self.transactionContextAPI.getValue(function (err, value) {
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next(err, value, gasLimit)
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})
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},
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function getAccount (value, gasLimit, next) {
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if (args.from) {
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return next(null, args.from, value, gasLimit)
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}
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if (self.transactionContextAPI.getAddress) {
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return self.transactionContextAPI.getAddress(function (err, address) {
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next(err, address, value, gasLimit)
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})
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}
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self.getAccounts(function (err, accounts) {
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let address = accounts[0]
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if (err) return next(err)
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if (!address) return next('No accounts available')
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if (executionContext.isVM() && !self.accounts[address]) {
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return next('Invalid account selected')
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}
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next(null, address, value, gasLimit)
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})
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},
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function runTransaction (fromAddress, value, gasLimit, next) {
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var tx = { to: args.to, data: args.data.dataHex, useCall: args.useCall, from: fromAddress, value: value, gasLimit: gasLimit }
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var payLoad = { funAbi: args.data.funAbi, funArgs: args.data.funArgs, contractBytecode: args.data.contractBytecode, contractName: args.data.contractName }
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var timestamp = Date.now()
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self.event.trigger('initiatingTransaction', [timestamp, tx, payLoad])
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self.txRunner.rawRun(tx, function (error, result) {
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let eventName = (tx.useCall ? 'callExecuted' : 'transactionExecuted')
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self.event.trigger(eventName, [error, tx.from, tx.to, tx.data, tx.useCall, result, timestamp, payLoad])
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if (error && (typeof (error) !== 'string')) {
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if (error.message) error = error.message
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else {
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try { error = 'error: ' + JSON.stringify(error) } catch (e) {}
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}
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}
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next(error, result)
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})
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}
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], cb)
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}
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module.exports = UniversalDApp
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