2017-03-29 17:18:00 +00:00
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let colors = require('colors');
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let shelljs = require('shelljs');
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2016-08-21 14:42:42 +00:00
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2017-03-29 17:18:00 +00:00
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let fs = require('../../core/fs.js');
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2017-02-19 17:51:32 +00:00
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2017-03-29 17:18:00 +00:00
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let GethCommands = require('./geth_commands.js');
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2017-02-19 17:51:32 +00:00
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2017-03-30 11:12:39 +00:00
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let BlockchainClient = function(blockchainConfig, client, env) {
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if (client === 'geth') {
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2017-03-30 13:16:46 +00:00
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return new Blockchain({blockchainConfig: blockchainConfig, client: new GethCommands(), env: env});
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2017-03-30 11:12:39 +00:00
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} else {
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throw new Error('unknown client');
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}
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2016-08-21 14:42:42 +00:00
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};
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2017-03-30 11:12:39 +00:00
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/*eslint complexity: ["error", 22]*/
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class Blockchain {
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constructor(options) {
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this.blockchainConfig = options.blockchainConfig;
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this.env = options.env || 'development';
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2017-03-30 11:48:22 +00:00
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this.client = options.client;
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2017-03-30 11:12:39 +00:00
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this.config = {
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geth_bin: this.blockchainConfig.geth_bin || 'geth',
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networkType: this.blockchainConfig.networkType || 'custom',
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genesisBlock: this.blockchainConfig.genesisBlock || false,
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datadir: this.blockchainConfig.datadir || false,
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mineWhenNeeded: this.blockchainConfig.mineWhenNeeded || false,
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rpcHost: this.blockchainConfig.rpcHost || 'localhost',
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rpcPort: this.blockchainConfig.rpcPort || 8545,
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rpcCorsDomain: this.blockchainConfig.rpcCorsDomain || false,
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networkId: this.blockchainConfig.networkId || 12301,
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port: this.blockchainConfig.port || 30303,
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nodiscover: this.blockchainConfig.nodiscover || false,
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mine: this.blockchainConfig.mine || false,
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account: this.blockchainConfig.account || {},
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whisper: (this.blockchainConfig.whisper === undefined) || this.blockchainConfig.whisper,
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maxpeers: ((this.blockchainConfig.maxpeers === 0) ? 0 : (this.blockchainConfig.maxpeers || 25)),
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bootnodes: this.blockchainConfig.bootnodes || "",
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rpcApi: (this.blockchainConfig.rpcApi || ['eth', 'web3', 'net']),
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vmdebug: this.blockchainConfig.vmdebug || false
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};
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}
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2016-08-21 14:42:42 +00:00
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2017-03-30 13:16:46 +00:00
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runCommand(cmd) {
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2017-03-30 11:12:39 +00:00
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console.log(("running: " + cmd.underline).green);
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return shelljs.exec(cmd);
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}
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2016-08-21 14:42:42 +00:00
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2017-03-30 11:48:22 +00:00
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run () {
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2017-03-30 11:52:49 +00:00
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let self = this;
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2017-03-30 11:48:22 +00:00
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console.log("===============================================================================".magenta);
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console.log("===============================================================================".magenta);
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console.log(("Embark Blockchain Using: " + this.client.name.underline).magenta);
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console.log("===============================================================================".magenta);
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console.log("===============================================================================".magenta);
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let address = this.initChainAndGetAddress();
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this.client.mainCommand(address, function(cmd) {
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shelljs.exec(cmd, {async : true});
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});
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}
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2016-08-21 14:42:42 +00:00
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2017-03-30 11:12:39 +00:00
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initChainAndGetAddress() {
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let address = null, result;
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// ensure datadir exists, bypassing the interactive liabilities prompt.
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this.datadir = '.embark/' + this.env + '/datadir';
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fs.mkdirpSync(this.datadir);
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// copy mining script
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fs.copySync(fs.embarkPath("js"), ".embark/" + this.env + "/js", {overwrite: true});
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// check if an account already exists, create one if not, return address
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result = this.runCommand(this.client.listAccountsCommand());
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if (result.output === undefined || result.output === '' || result.output.indexOf("Fatal") >= 0) {
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console.log("no accounts found".green);
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if (this.config.genesisBlock) {
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console.log("initializing genesis block".green);
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result = this.runCommand(this.client.initGenesisCommmand());
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}
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result = this.runCommand(this.client.newAccountCommand());
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address = result.output.match(/{(\w+)}/)[1];
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} else {
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console.log("already initialized".green);
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address = result.output.match(/{(\w+)}/)[1];
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}
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2016-08-21 14:42:42 +00:00
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2017-03-30 11:12:39 +00:00
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return address;
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2016-08-21 14:42:42 +00:00
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}
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2017-03-30 11:12:39 +00:00
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}
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2016-08-21 14:42:42 +00:00
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module.exports = BlockchainClient;
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