embark/lib/config/blockchain.js

57 lines
1.4 KiB
JavaScript

var readYaml = require('read-yaml');
BlockchainConfig = function() {};
BlockchainConfig.prototype.loadConfigFile = function(filename) {
try {
this.blockchainConfig = readYaml.sync(filename);
} catch (e) {
throw new Error("error reading " + filename);
}
return this;
};
BlockchainConfig.prototype.loadConfig = function(config) {
this.blockchainConfig = config;
return this;
};
BlockchainConfig.prototype.config = function(env) {
if (this.blockchainConfig === null) {
throw new Error("no blockchain config found");
}
var config = this.blockchainConfig[env || "development"];
var networkId;
if (config.network_id === undefined) {
networkId = Math.floor((Math.random() * 100000) + 1000);
}
else {
networkId = config.network_id;
}
config = {
rpcHost: config.rpc_host,
rpcPort: config.rpc_port,
gasLimit: config.gas_limit || 500000,
gasPrice: config.gas_price || 10000000000000,
rpcWhitelist: config.rpc_whitelist,
minerthreads: config.minerthreads,
genesisBlock: config.genesis_block,
datadir: config.datadir,
chains: config.chains,
networkId: networkId,
maxPeers: 4,
port: config.port || "30303",
console_toggle: config.console || false,
mine_when_needed: config.mine_when_needed || false,
whisper: config.whisper || false,
account: config.account
}
return config;
};
module.exports = BlockchainConfig;