embark-area-51/lib/modules/deploytracker/index.js

100 lines
2.7 KiB
JavaScript

let utils = require('../../utils/utils.js');
let fs = require('../../core/fs.js');
class DeployTracker {
constructor(embark, options) {
this.logger = embark.logger;
this.events = embark.events;
this.embark = embark;
this.trackContracts = (options.trackContracts !== false);
// TODO: unclear where it comes from
this.env = options.env;
//this.chainConfig = options.chainConfig;
this.chainConfig = embark.config.chainTracker;
this.registerEvents();
}
registerEvents() {
const self = this;
this.embark.registerActionForEvent("deploy:beforeAll", this.setCurrentChain.bind(this));
this.events.on("deploy:contract:deployed", (contract) => {
self.trackContract(contract.className, contract.realRuntimeBytecode, contract.realArgs, contract.deployedAddress);
self.save();
});
self.embark.registerActionForEvent("deploy:contract:shouldDeploy", (params, cb) => {
if (!self.trackContracts) {
return cb(params);
}
let contract = params.contract;
let trackedContract = self.getContract(contract.className, contract.realRuntimeBytecode, contract.realArgs);
if (trackedContract) {
params.contract.address = trackedContract.address;
}
if (params.shouldDeploy && trackedContract) {
params.shouldDeploy = true;
}
cb(params);
});
}
setCurrentChain(cb) {
const self = this;
if (this.chainConfig === false) {
this.currentChain = {contracts: []};
return cb();
}
this.events.request("blockchain:block:byNumber", 0, function(_err, block) {
let chainId = block.hash;
if (self.chainConfig[chainId] === undefined) {
self.chainConfig[chainId] = {contracts: {}};
}
self.currentChain = self.chainConfig[chainId];
self.currentChain.name = self.env;
cb();
});
}
loadConfig(config) {
this.chainConfig = config;
return this;
}
trackContract(contractName, code, args, address) {
if (!this.currentChain) return false;
this.currentChain.contracts[utils.sha3(code + contractName + args.join(','))] = {
name: contractName,
address: address
};
}
getContract(contractName, code, args) {
if (!this.currentChain) return false;
let contract = this.currentChain.contracts[utils.sha3(code + contractName + args.join(','))];
if (contract && contract.address === undefined) {
return false;
}
return contract;
}
// TODO: abstract this
// chainConfig can be an abstract PersistentObject
save() {
if (this.chainConfig === false) {
return;
}
fs.writeJSONSync("./chains.json", this.chainConfig, {spaces: 2});
}
}
module.exports = DeployTracker;