mirror of https://github.com/embarklabs/embark.git
317 lines
10 KiB
JavaScript
317 lines
10 KiB
JavaScript
const async = require('async');
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const GethMiner = require('./miner');
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const os = require('os');
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const DEFAULTS = {
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"BIN": "geth",
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"NETWORK_TYPE": "custom",
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"NETWORK_ID": 1337,
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"RPC_API": ['eth', 'web3', 'net', 'debug'],
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"WS_API": ['eth', 'web3', 'net', 'shh', 'debug', 'pubsub'],
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"DEV_WS_API": ['eth', 'web3', 'net', 'shh', 'debug', 'pubsub', 'personal'],
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"TARGET_GAS_LIMIT": 8000000
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};
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// TODO: make all of this async
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class GethClient {
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static get DEFAULTS() {
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return DEFAULTS;
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}
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constructor(options) {
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this.config = options && options.hasOwnProperty('config') ? options.config : {};
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this.env = options && options.hasOwnProperty('env') ? options.env : 'development';
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this.isDev = options && options.hasOwnProperty('isDev') ? options.isDev : (this.env === 'development');
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this.name = "geth";
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this.prettyName = "Go-Ethereum (https://github.com/ethereum/go-ethereum)";
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this.bin = this.config.ethereumClientBin || DEFAULTS.BIN;
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this.httpReady = false;
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this.wsReady = !this.config.wsRPC;
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}
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isReady(data) {
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if (data.indexOf('HTTP endpoint opened') > -1) {
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this.httpReady = true;
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}
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if (data.indexOf('WebSocket endpoint opened') > -1) {
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this.wsReady = true;
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}
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return this.httpReady && this.wsReady;
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}
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/**
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* Check if the client needs some sort of 'keep alive' transactions to avoid freezing by inactivity
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* @returns {boolean} if keep alive is needed
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*/
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needKeepAlive() {
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// TODO: check version also (geth version < 1.8.15)
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if (this.isDev) {
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// Trigger regular txs due to a bug in geth (< 1.8.15) and stuck transactions in --dev mode.
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return true;
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}
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return false;
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}
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commonOptions(firstAccount = false) {
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let config = this.config;
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let cmd = [];
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cmd.push(this.determineNetworkType(config));
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if (config.datadir) {
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cmd.push(`--datadir=${config.datadir}`);
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}
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if (config.syncMode) {
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cmd.push("--syncmode=" + config.syncMode);
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}
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// geth in dev mode needs the first account to have a blank password, so we use for convenience the same Parity's devpassword
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if (config.account && config.account.password) {
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if (firstAccount) cmd.push(`--password=${config.account.devPassword}`);
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else cmd.push(`--password=${config.account.password}`);
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}
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if (Number.isInteger(config.verbosity) && config.verbosity >= 0 && config.verbosity <= 5) {
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cmd.push("--verbosity=" + config.verbosity);
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}
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return cmd;
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}
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getMiner() {
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return new GethMiner({datadir: this.config.datadir});
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}
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getBinaryPath() {
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return this.bin;
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}
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determineVersionCommand() {
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return this.bin + " version";
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}
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determineNetworkType(config) {
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let cmd;
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if (config.networkType === 'testnet') {
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cmd = "--testnet";
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} else if (config.networkType === 'rinkeby') {
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cmd = "--rinkeby";
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} else if (config.networkType === 'custom') {
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cmd = "--networkid=" + config.networkId;
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}
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return cmd;
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}
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initGenesisCommmand() {
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let config = this.config;
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let cmd = this.bin + " " + this.commonOptions().join(' ');
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if (config.genesisBlock) {
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cmd += " init \"" + config.genesisBlock + "\" ";
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}
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return cmd;
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}
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newAccountCommand(firstAccount = false) {
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if (!(this.config.account && this.config.account.password)) {
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console.warn(__('Your blockchain is missing a password and creating an account may fail. Please consider updating ').yellow + __('config/blockchain > account > password').cyan + __(' then re-run the command').yellow);
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}
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return this.bin + " " + this.commonOptions(firstAccount).join(' ') + " account new ";
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}
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parseNewAccountCommandResultToAddress(data = "") {
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if (data.match(/{(\w+)}/)) return "0x" + data.match(/{(\w+)}/)[1];
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return "";
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}
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listAccountsCommand() {
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return this.bin + " " + this.commonOptions().join(' ') + " account list ";
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}
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parseListAccountsCommandResultToAddress(data = "") {
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if (data.match(/{(\w+)}/)) return "0x" + data.match(/{(\w+)}/)[1];
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return "";
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}
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parseListAccountsCommandResultToAddressList(data = "") {
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let list = data.split(os.EOL);
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list.pop(); // Remove empty value
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return list.map(el => "0x" + el.match(/{(\w+)}/)[1]);
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}
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parseListAccountsCommandResultToAddressCount(data = "") {
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const count = this.parseListAccountsCommandResultToAddressList(data).length;
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return (count > 0 ? count : 0);
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}
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determineRpcOptions(config) {
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let cmd = [];
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cmd.push("--port=" + config.port);
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cmd.push("--rpc");
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cmd.push("--rpcport=" + config.rpcPort);
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cmd.push("--rpcaddr=" + config.rpcHost);
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if (config.rpcCorsDomain) {
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if (config.rpcCorsDomain === '*') {
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console.warn('==================================');
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console.warn(__('rpcCorsDomain set to *'));
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console.warn(__('make sure you know what you are doing'));
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console.warn('==================================');
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}
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cmd.push("--rpccorsdomain=" + config.rpcCorsDomain);
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} else {
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console.warn('==================================');
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console.warn(__('warning: cors is not set'));
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console.warn('==================================');
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}
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return cmd;
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}
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determineWsOptions(config) {
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let cmd = [];
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if (config.wsRPC) {
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cmd.push("--ws");
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cmd.push("--wsport=" + config.wsPort);
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cmd.push("--wsaddr=" + config.wsHost);
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if (config.wsOrigins) {
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if (config.wsOrigins === '*') {
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console.warn('==================================');
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console.warn(__('wsOrigins set to *'));
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console.warn(__('make sure you know what you are doing'));
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console.warn('==================================');
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}
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cmd.push("--wsorigins=" + config.wsOrigins);
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} else {
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console.warn('==================================');
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console.warn(__('warning: wsOrigins is not set'));
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console.warn('==================================');
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}
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}
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return cmd;
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}
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initDevChain(datadir, callback) {
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// No specific configuration needed for the dev chain
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return callback();
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}
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mainCommand(address, done) {
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let self = this;
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let config = this.config;
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let rpc_api = this.config.rpcApi;
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let ws_api = this.config.wsApi;
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let args = [];
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async.series([
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function commonOptions(callback) {
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let cmd = self.commonOptions();
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args = args.concat(cmd);
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callback(null, cmd);
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},
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function rpcOptions(callback) {
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let cmd = self.determineRpcOptions(self.config);
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args = args.concat(cmd);
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callback(null, cmd);
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},
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function wsOptions(callback) {
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let cmd = self.determineWsOptions(self.config);
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args = args.concat(cmd);
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callback(null, cmd);
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},
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function dontGetPeers(callback) {
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if (config.nodiscover) {
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args.push("--nodiscover");
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return callback(null, "--nodiscover");
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}
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callback(null, "");
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},
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function vmDebug(callback) {
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if (config.vmdebug) {
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args.push("--vmdebug");
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return callback(null, "--vmdebug");
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}
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callback(null, "");
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},
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function maxPeers(callback) {
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let cmd = "--maxpeers=" + config.maxpeers;
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args.push(cmd);
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callback(null, cmd);
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},
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function mining(callback) {
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if (config.mineWhenNeeded || config.mine) {
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args.push("--mine");
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return callback(null, "--mine");
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}
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callback("");
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},
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function bootnodes(callback) {
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if (config.bootnodes && config.bootnodes !== "" && config.bootnodes !== []) {
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args.push("--bootnodes=" + config.bootnodes);
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return callback(null, "--bootnodes=" + config.bootnodes);
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}
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callback("");
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},
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function whisper(callback) {
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if (config.whisper) {
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rpc_api.push('shh');
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if (ws_api.indexOf('shh') === -1) {
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ws_api.push('shh');
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}
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args.push("--shh");
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return callback(null, "--shh ");
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}
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callback("");
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},
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function rpcApi(callback) {
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args.push('--rpcapi=' + rpc_api.join(','));
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callback(null, '--rpcapi=' + rpc_api.join(','));
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},
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function wsApi(callback) {
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args.push('--wsapi=' + ws_api.join(','));
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callback(null, '--wsapi=' + ws_api.join(','));
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},
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function accountToUnlock(callback) {
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if (self.isDev && self.config.unlockAddressList) {
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// The first address is the dev account, that is automatically unlocked by the client using blank password
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args.push("--unlock=" + self.config.unlockAddressList.slice(1));
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return callback(null, "--unlock=" + self.config.unlockAddressList.slice(1));
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}
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let accountAddress = "";
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if (config.account && config.account.address) {
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accountAddress = config.account.address;
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} else {
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accountAddress = address;
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}
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if (accountAddress) {
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if(!(self.config && self.config.account && self.config.account.password)){
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console.warn(__("\n===== Password needed =====\nPassword for account {{account}} not found. Unlocking this account may fail. Please ensure a password is specified in config/blockchain.js > {{env}} > account > password.\n", {account: address, env: self.env}));
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}
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args.push("--unlock=" + accountAddress);
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return callback(null, "--unlock=" + accountAddress);
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}
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callback(null, "");
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},
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function gasLimit(callback) {
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if (config.targetGasLimit) {
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args.push("--miner.gastarget=" + config.targetGasLimit);
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return callback(null, "--miner.gastarget=" + config.targetGasLimit);
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}
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callback(null, "");
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},
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function isDev(callback) {
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if (self.isDev) {
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args.push('--dev');
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return callback(null, '--dev');
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}
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callback(null, '');
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}
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], function(err) {
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if (err) {
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throw new Error(err.message);
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}
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return done(self.bin, args);
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});
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}
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}
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module.exports = GethClient;
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