329 lines
14 KiB
JavaScript
329 lines
14 KiB
JavaScript
let async = require('async');
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//require("../utils/debug_util.js")(__filename, async);
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let utils = require('../../utils/utils.js');
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class ContractDeployer {
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constructor(options) {
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const self = this;
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this.logger = options.logger;
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this.events = options.events;
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this.plugins = options.plugins;
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self.events.setCommandHandler('deploy:contract', (contract, cb) => {
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self.checkAndDeployContract(contract, null, cb);
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});
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}
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// TODO: determining the arguments could also be in a module since it's not
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// part of ta 'normal' contract deployment
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determineArguments(suppliedArgs, contract, accounts, callback) {
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const self = this;
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let args = suppliedArgs;
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if (!Array.isArray(args)) {
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args = [];
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let abi = contract.abiDefinition.find((abi) => abi.type === 'constructor');
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for (let input of abi.inputs) {
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let inputValue = suppliedArgs[input.name];
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if (!inputValue) {
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this.logger.error(__("{{inputName}} has not been defined for {{className}} constructor", {inputName: input.name, className: contract.className}));
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}
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args.push(inputValue || "");
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}
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}
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function parseArg(arg, cb) {
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const match = arg.match(/\$accounts\[([0-9]+)]/);
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if (match) {
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if (!accounts[match[1]]) {
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return cb(__('No corresponding account at index %d', match[1]));
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}
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return cb(null, accounts[match[1]]);
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}
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let contractName = arg.substr(1);
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self.events.request('contracts:contract', contractName, (referedContract) => {
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// Because we're referring to a contract that is not being deployed (ie. an interface),
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// we still need to provide a valid address so that the ABI checker won't fail.
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cb(null, (referedContract.deployedAddress || '0x0000000000000000000000000000000000000000'));
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});
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}
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async.map(args, (arg, nextEachCb) => {
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if (arg[0] === "$") {
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parseArg(arg, nextEachCb);
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} else if (Array.isArray(arg)) {
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async.map(arg, (sub_arg, nextSubEachCb) => {
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if (sub_arg[0] === "$") {
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parseArg(sub_arg, nextSubEachCb);
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} else if(typeof sub_arg === 'string' && sub_arg.indexOf('.eth') === sub_arg.length - 4) {
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self.events.request("ens:resolve", sub_arg, (err, name) => {
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if(err) {
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return nextSubEachCb(err);
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}
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return nextSubEachCb(err, name);
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});
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} else {
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nextSubEachCb(null, sub_arg);
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}
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}, (err, subRealArgs) => {
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nextEachCb(null, subRealArgs);
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});
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} else if(typeof arg === 'string' && arg.indexOf('.eth') === arg.length - 4) {
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self.events.request("ens:resolve", arg, (err, name) => {
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if(err) {
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return nextEachCb(err);
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}
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return nextEachCb(err, name);
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});
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} else {
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nextEachCb(null, arg);
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}
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}, callback);
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}
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checkAndDeployContract(contract, params, callback) {
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let self = this;
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contract.error = false;
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let accounts = [];
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let deploymentAccount;
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if (contract.deploy === false) {
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self.events.emit("deploy:contract:undeployed", contract);
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return callback();
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}
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async.waterfall([
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function requestBlockchainConnector(callback) {
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self.events.request("blockchain:object", (blockchain) => {
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self.blockchain = blockchain;
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callback();
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});
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},
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// TODO: can potentially go to a beforeDeploy plugin
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function getAccounts(next) {
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deploymentAccount = self.blockchain.defaultAccount();
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self.blockchain.getAccounts(function (err, _accounts) {
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if (err) {
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return next(new Error(err));
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}
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accounts = _accounts;
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// applying deployer account configuration, if any
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if (typeof contract.fromIndex === 'number') {
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deploymentAccount = accounts[contract.fromIndex];
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if (deploymentAccount === undefined) {
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return next(__("error deploying") + " " + contract.className + ": " + __("no account found at index") + " " + contract.fromIndex + __(" check the config"));
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}
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}
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if (typeof contract.from === 'string' && typeof contract.fromIndex !== 'undefined') {
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self.logger.warn(__('Both "from" and "fromIndex" are defined for contract') + ' "' + contract.className + '". ' + __('Using "from" as deployer account.'));
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}
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if (typeof contract.from === 'string') {
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deploymentAccount = contract.from;
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}
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deploymentAccount = deploymentAccount || accounts[0];
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contract.deploymentAccount = deploymentAccount;
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next();
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});
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},
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function applyArgumentPlugins(next) {
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self.plugins.emitAndRunActionsForEvent('deploy:contract:arguments', {contract: contract}, (_params) => {
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next();
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});
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},
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function _determineArguments(next) {
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self.determineArguments(params || contract.args, contract, accounts, (err, realArgs) => {
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if (err) {
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return next(err);
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}
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contract.realArgs = realArgs;
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next();
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});
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},
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function deployIt(next) {
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let skipBytecodeCheck = false;
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if (contract.address !== undefined) {
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try {
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utils.toChecksumAddress(contract.address);
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} catch(e) {
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self.logger.error(__("error deploying %s", contract.className));
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self.logger.error(e.message);
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contract.error = e.message;
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self.events.emit("deploy:contract:error", contract);
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return next(e.message);
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}
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contract.deployedAddress = contract.address;
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skipBytecodeCheck = true;
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}
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self.plugins.emitAndRunActionsForEvent('deploy:contract:shouldDeploy', {contract: contract, shouldDeploy: true}, function(_err, params) {
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let trackedContract = params.contract;
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if (!params.shouldDeploy) {
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return self.willNotDeployContract(contract, trackedContract, next);
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}
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if (!trackedContract.address) {
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return self.deployContract(contract, next);
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}
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// deploy the contract regardless if track field is defined and set to false
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if (trackedContract.track === false) {
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self.logFunction(contract)(contract.className.bold.cyan + __(" will be redeployed").green);
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return self.deployContract(contract, next);
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}
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self.blockchain.getCode(trackedContract.address, function(_getCodeErr, codeInChain) {
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if (codeInChain.length > 3 || skipBytecodeCheck) { // it is "0x" or "0x0" for empty code, depending on web3 version
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self.contractAlreadyDeployed(contract, trackedContract, next);
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} else {
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self.deployContract(contract, next);
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}
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});
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});
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}
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], callback);
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}
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willNotDeployContract(contract, trackedContract, callback) {
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contract.deploy = false;
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this.events.emit("deploy:contract:undeployed", contract);
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callback();
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}
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contractAlreadyDeployed(contract, trackedContract, callback) {
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const self = this;
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this.logFunction(contract)(contract.className.bold.cyan + __(" already deployed at ").green + trackedContract.address.bold.cyan);
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contract.deployedAddress = trackedContract.address;
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self.events.emit("deploy:contract:deployed", contract);
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// TODO: can be moved into a afterDeploy event
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// just need to figure out the gasLimit coupling issue
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self.events.request('code-generator:contract:vanilla', contract, contract._gasLimit || false, (contractCode) => {
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self.events.request('runcode:eval', contractCode, () => {}, true);
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return callback();
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});
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}
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logFunction(contract) {
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return contract.silent ? this.logger.trace.bind(this.logger) : this.logger.info.bind(this.logger);
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}
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deployContract(contract, callback) {
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let self = this;
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let deployObject;
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async.waterfall([
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function doLinking(next) {
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let contractCode = contract.code;
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self.events.request('contracts:list', (_err, contracts) => {
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for (let contractObj of contracts) {
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let filename = contractObj.filename;
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let deployedAddress = contractObj.deployedAddress;
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if (deployedAddress) {
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deployedAddress = deployedAddress.substr(2);
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}
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let linkReference = '__' + filename + ":" + contractObj.className;
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if (contractCode.indexOf(linkReference.substr(0, 38)) < 0) { // substr to simulate the cut that solc does
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continue;
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}
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if (linkReference.length > 40) {
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return next(new Error(__("{{linkReference}} is too long, try reducing the path of the contract ({{filename}}) and/or its name {{contractName}}", {linkReference: linkReference, filename: filename, contractName: contractObj.className})));
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}
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let toReplace = linkReference + "_".repeat(40 - linkReference.length);
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if (deployedAddress === undefined) {
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let libraryName = contractObj.className;
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return next(new Error(__("{{contractName}} needs {{libraryName}} but an address was not found, did you deploy it or configured an address?", {contractName: contract.className, libraryName: libraryName})));
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}
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contractCode = contractCode.replace(new RegExp(toReplace, "g"), deployedAddress);
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}
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// saving code changes back to the contract object
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contract.code = contractCode;
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self.events.request('contracts:setBytecode', contract.className, contractCode);
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next();
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});
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},
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function applyBeforeDeploy(next) {
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self.plugins.emitAndRunActionsForEvent('deploy:contract:beforeDeploy', {contract: contract}, (_params) => {
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next();
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});
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},
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function getGasPriceForNetwork(next) {
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self.events.request("blockchain:gasPrice", (err, gasPrice) => {
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if (err) {
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return next(new Error(__("could not get the gas price")));
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}
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contract.gasPrice = contract.gasPrice || gasPrice;
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next();
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});
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},
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function createDeployObject(next) {
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let contractCode = contract.code;
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let contractObject = self.blockchain.ContractObject({abi: contract.abiDefinition});
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let contractParams = (contract.realArgs || contract.args).slice();
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try {
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const dataCode = contractCode.startsWith('0x') ? contractCode : "0x" + contractCode;
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deployObject = self.blockchain.deployContractObject(contractObject, {arguments: contractParams, data: dataCode});
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} catch(e) {
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if (e.message.indexOf('Invalid number of parameters for "undefined"') >= 0) {
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return next(new Error(__("attempted to deploy %s without specifying parameters", contract.className)) + ". " + __("check if there are any params defined for this contract in this environment in the contracts configuration file"));
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}
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return next(new Error(e));
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}
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next();
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},
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function estimateCorrectGas(next) {
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if (contract.gas === 'auto') {
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return self.blockchain.estimateDeployContractGas(deployObject, (err, gasValue) => {
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if (err) {
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return next(err);
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}
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let increase_per = 1 + (Math.random() / 10.0);
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contract.gas = Math.floor(gasValue * increase_per);
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next();
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});
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}
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next();
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},
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function deployTheContract(next) {
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let estimatedCost = contract.gas * contract.gasPrice;
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self.logFunction(contract)(__("deploying") + " " + contract.className.bold.cyan + " " + __("with").green + " " + contract.gas + " " + __("gas at the price of").green + " " + contract.gasPrice + " " + __("Wei, estimated cost:").green + " " + estimatedCost + " Wei".green);
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self.blockchain.deployContractFromObject(deployObject, {
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from: contract.deploymentAccount,
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gas: contract.gas,
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gasPrice: contract.gasPrice
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}, function(error, receipt) {
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if (error) {
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contract.error = error.message;
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self.events.emit("deploy:contract:error", contract);
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if (error.message && error.message.indexOf('replacement transaction underpriced') !== -1) {
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self.logger.warn("replacement transaction underpriced: This warning typically means a transaction exactly like this one is still pending on the blockchain");
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}
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return next(new Error("error deploying =" + contract.className + "= due to error: " + error.message));
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}
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self.logFunction(contract)(contract.className.bold.cyan + " " + __("deployed at").green + " " + receipt.contractAddress.bold.cyan + " " + __("using").green + " " + receipt.gasUsed + " " + __("gas").green);
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contract.deployedAddress = receipt.contractAddress;
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contract.transactionHash = receipt.transactionHash;
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receipt.className = contract.className;
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self.events.emit("deploy:contract:receipt", receipt);
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self.events.emit("deploy:contract:deployed", contract);
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// TODO: can be moved into a afterDeploy event
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// just need to figure out the gasLimit coupling issue
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self.events.request('code-generator:contract:vanilla', contract, contract._gasLimit || false, (contractCode) => {
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self.events.request('runcode:eval', contractCode, () => {}, true);
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self.plugins.runActionsForEvent('deploy:contract:deployed', {contract: contract}, () => {
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return next(null, receipt);
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});
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});
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});
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}
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], callback);
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}
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}
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module.exports = ContractDeployer;
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