87 lines
2.1 KiB
JavaScript
87 lines
2.1 KiB
JavaScript
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let fs = require("fs");
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let Web3 = require("web3");
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function attachToContract(side, cb) {
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var config = getConfig();
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configureWeb3(function(err, web3, config, defaultAccount) {
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if (err) return console.log(err);
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var contractABI = config.contract[side].abi;
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var contractAddress = config.contract[side].addr;
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if(!web3.isConnected()) {
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if (cb) cb({code: 200, title: "Error", message: "check RPC"}, null);
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} else {
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web3.eth.defaultAccount = defaultAccount;
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var MyContract = web3.eth.contract(contractABI);
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contract = MyContract.at(contractAddress);
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if (cb) cb(null, contract, config, web3);
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}
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});
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}
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function getConfig() {
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var config = JSON.parse(fs.readFileSync('./config.json', 'utf8'));
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return config;
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}
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function configureWeb3(cb) {
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var config = getConfig();
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var web3;
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if (typeof web3 !== 'undefined') {
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web3 = new Web3(web3.currentProvider);
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} else {
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web3 = new Web3(new Web3.providers.HttpProvider(config.rpc));
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}
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if(!web3.isConnected()) {
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var err = '{code: 500, title: "Error", message: "check RPC"}';
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cb(err, web3, config);
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} else {
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//console.log(web3.eth.accounts);
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web3.eth.defaultAccount = config.account;
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var defaultAccount = web3.eth.defaultAccount;
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//console.log("web3.eth.defaultAccount:");
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//console.log(web3.eth.defaultAccount);
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cb(null, web3, config, defaultAccount);
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}
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}
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function getTxReceipt(txhash) {
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console.log("***getTxReceipt***");
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configureWeb3(function(err, web3, config, defaultAccount) {
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web3.eth.getTransactionReceipt(txhash, function(err, val) {
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console.log(val);
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});
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});
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}
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function getTxData(txhash) {
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console.log("***getTxData***");
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configureWeb3(function(err, web3, config, defaultAccount) {
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web3.eth.getTransaction(txhash, function(err, val) {
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console.log(val);
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});
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});
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}
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function getBalance(addr) {
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var config = getConfig();
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configureWeb3(function(err, web3, config, defaultAccount) {
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let balance = web3.eth.getBalance(addr)
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console.log("balance: " + balance)
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});
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}
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module.exports = {
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attachToContract: attachToContract,
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getConfig: getConfig,
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configureWeb3: configureWeb3,
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getTxReceipt: getTxReceipt,
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getTxData: getTxData,
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getBalance: getBalance
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}
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