embark-area-51/lib/chain_manager.js

35 lines
850 B
JavaScript

var fs = require('fs');
var web3 = require('web3');
ChainManager = function() { }
ChainManager.prototype.loadConfigFile = function(filename) {
try {
var obj = JSON.parse(fs.readFileSync(filename));
this.chainManagerConfig = obj;
} catch (e) {
throw new Error("error reading " + filename);
}
return this;
};
ChainManager.prototype.loadConfig = function(config) {
this.chainManagerConfig = config;
return this;
};
ChainManager.prototype.init = function(env, blockchainConfig) {
var config = blockchainConfig.config(env);
web3.setProvider(new web3.providers.HttpProvider("http://" + config.rpcHost + ":" + config.rpcPort));
var chainId = web3.eth.getBlock(0).hash;
if (this.chainManagerConfig[chainId] === undefined) {
this.chainManagerConfig[chainId] = {contracts: []};
}
}
module.exports = ChainManager;