76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
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const async = require('async');
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var Web3 = require('web3');
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var utils = require('../../utils/utils.js');
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class DevFunds {
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constructor(blockchainConfig) {
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this.web3 = null;
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this.blockchainConfig = blockchainConfig;
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this.accounts = [];
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this.numAccounts = this.blockchainConfig.account.numAccounts || 0;
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//this.balance = this.blockchainConfig.account.balance || Web3.utils.toWei("1", "ether");
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this.balance = Web3.utils.toWei("1", "ether");
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this.password = "dev_password"
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}
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connectToNode(cb) {
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const self = this;
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this.web3 = new Web3();
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this.web3.setProvider(new Web3.providers.WebsocketProvider(utils.buildUrl('ws', this.blockchainConfig.wsHost, this.blockchainConfig.wsPort), {headers: {Origin: "http://localhost:8000"}}));
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this.web3.eth.getAccounts().then((accounts) => {
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self.web3.eth.defaultAccount = accounts[0];
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cb();
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});
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}
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createAccounts(numAccounts, password, cb) {
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console.dir("creating " + numAccounts + " with password " + password);
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const self = this;
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async.timesLimit(numAccounts, 1, (_, next) => {
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console.dir("--- creating new account");
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self.web3.eth.personal.newAccount(password, next);
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}, (err, accounts) => {
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console.dir("-- accounts created are ");
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console.dir(accounts);
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this.accounts = accounts;
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cb(err);
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});
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}
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unlockAccounts(password, cb) {
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const self = this;
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async.each(this.accounts, (account, next) => {
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self.web3.eth.personal.unlockAccount(account, password).then(() => { next() });
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}, cb);
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}
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fundAccounts(balance, cb) {
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const self = this;
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async.each(this.accounts, (account, next) => {
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self.web3.eth.sendTransaction({to: account, value: balance}).then(() => {
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next();
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});
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}, cb);
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}
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createFundAndUnlockAccounts(cb) {
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const self = this;
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async.waterfall([
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function connect(next) {
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self.connectToNode(next);
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},
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function create(next) {
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self.createAccounts(self.numAccounts, self.password, next)
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},
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function unlock(next) {
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self.unlockAccounts(self.password, next);
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},
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function fund(next) {
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self.fundAccounts(self.balance, next);
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},
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], cb);
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}
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}
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module.exports = DevFunds;
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