128 lines
4.0 KiB
JavaScript
128 lines
4.0 KiB
JavaScript
const async = require('async');
|
|
const Web3 = require('web3');
|
|
const { getWeiBalanceFromString, buildUrl } = require('../../utils/utils.js');
|
|
const { readFileSync, dappPath } = require('../../core/fs');
|
|
|
|
class DevFunds {
|
|
constructor(blockchainConfig, provider, logger) {
|
|
this.blockchainConfig = blockchainConfig;
|
|
this.accounts = [];
|
|
this.numAccounts = this.blockchainConfig.account.numAccounts || 0;
|
|
this.password = blockchainConfig.account.password ? readFileSync(dappPath(blockchainConfig.account.password), 'utf8').replace('\n', '') : 'dev_password';
|
|
this.networkId = null;
|
|
this.balance = Web3.utils.toWei("1", "ether");
|
|
this.provider = provider || new Web3.providers.WebsocketProvider(buildUrl('ws', this.blockchainConfig.wsHost, this.blockchainConfig.wsPort), { headers: { Origin: "http://localhost:8000" } });
|
|
this.web3 = new Web3(provider);
|
|
if (this.blockchainConfig.account.balance) {
|
|
this.balance = getWeiBalanceFromString(this.blockchainConfig.account.balance, this.web3);
|
|
}
|
|
this.logger = logger || console;
|
|
}
|
|
|
|
_sendTx() {
|
|
if (this.networkId !== 1337) {
|
|
return;
|
|
}
|
|
this.web3.eth.sendTransaction({ value: "1000000000000000", to: "0xA2817254cb8E7b6269D1689c3E0eBadbB78889d1", from: this.web3.eth.defaultAccount });
|
|
}
|
|
|
|
// trigger regular txs due to a bug in geth and stuck transactions in --dev mode
|
|
regularTxs(cb) {
|
|
const self = this;
|
|
self.web3.eth.net.getId().then((networkId) => {
|
|
self.networkId = networkId;
|
|
if (self.networkId !== 1337) {
|
|
return;
|
|
}
|
|
|
|
setInterval(function () { self._sendTx(); }, 1500);
|
|
if (cb) {
|
|
cb();
|
|
}
|
|
});
|
|
}
|
|
|
|
regularUnlocks() {
|
|
const self = this;
|
|
setInterval(function () { self.unlockAccounts(self.password, () => { }); }, 20000);
|
|
}
|
|
|
|
getCurrentAccounts(cb) {
|
|
|
|
this.web3.eth.getAccounts().then((accounts) => {
|
|
this.web3.eth.defaultAccount = accounts[0];
|
|
if (accounts.length > 1) {
|
|
this.accounts = accounts.slice(1);
|
|
}
|
|
cb();
|
|
});
|
|
}
|
|
|
|
createAccounts(numAccounts, password, cb) {
|
|
const numAccountsToCreate = numAccounts - (this.accounts.length + 1);
|
|
if (numAccountsToCreate === 0) return cb();
|
|
|
|
async.timesLimit(numAccountsToCreate, 1, (_, next) => {
|
|
this.web3.eth.personal.newAccount(password, next);
|
|
}, (err, accounts) => {
|
|
if (err) return cb(err);
|
|
this.accounts = accounts;
|
|
cb();
|
|
});
|
|
}
|
|
|
|
unlockAccounts(password, cb) {
|
|
async.each(this.accounts, (account, next) => {
|
|
this.web3.eth.personal.unlockAccount(account, password).then((_result) => {
|
|
next();
|
|
}).catch(next);
|
|
}, cb);
|
|
}
|
|
|
|
fundAccounts(balance, cb) {
|
|
this.logger.info('[dev_funds]: funding accounts');
|
|
async.each(this.accounts, (account, next) => {
|
|
this.logger.info('[dev_funds]: funding acct ' + account);
|
|
this.web3.eth.getBalance(account).then(currBalance => {
|
|
this.logger.info('[dev_funds]: acct ' + account + ' current balance ' + currBalance);
|
|
const remainingBalance = balance - currBalance;
|
|
if (remainingBalance <= 0) return next();
|
|
|
|
this.logger.info('[dev_funds]: funding acct ' + account + ' with ' + remainingBalance);
|
|
|
|
this.web3.eth.sendTransaction({ to: account, value: remainingBalance }).then((_result) => {
|
|
this.logger.info('[dev_funds]: funding result ' + JSON.stringify(_result));
|
|
next();
|
|
}).catch(next);
|
|
}, (err) => {
|
|
this.logger.info('[dev_funds]: done funding');
|
|
cb(err);
|
|
});
|
|
});
|
|
}
|
|
|
|
createFundAndUnlockAccounts(cb) {
|
|
if (!this.web3) {
|
|
return cb();
|
|
}
|
|
async.waterfall([
|
|
(next) => {
|
|
this.getCurrentAccounts(next);
|
|
},
|
|
(next) => {
|
|
this.createAccounts(this.numAccounts, this.password, next);
|
|
},
|
|
(next) => {
|
|
this.unlockAccounts(this.password, next);
|
|
},
|
|
(next) => {
|
|
this.regularTxs();
|
|
this.regularUnlocks();
|
|
this.fundAccounts(this.balance, next);
|
|
}
|
|
], cb);
|
|
}
|
|
}
|
|
|
|
module.exports = DevFunds;
|