My code:
const contract = require('truffle-contract');
const fs = require('fs');
const HDWalletProvider = require('truffle-hdwallet-provider');
const Web3 = require('web3');
const fileContents = fs.readFileSync('../../build/contracts/CoincodeToken.json', 'utf8');
const coincodeArtifacts = JSON.parse(fileContents);
const coincode = contract(coincodeArtifacts);
const walletMnemonic = 'god wwe lawsuit tiny mobile door raccoon chaos foil someone city siege';
const walletAPIUrl = 'https://rinkeby.infura.io/Fwp5nmX6Ze5FouVcBlHs';
const provider = new HDWalletProvider(walletMnemonic, walletAPIUrl);
const web3 = new Web3(provider);
coincode.setProvider(new Web3.providers.HttpProvider("https://rinkeby.infura.io/Fwp5nmX6Ze5FouVcBlHr"));
web3.eth.getAccounts(function (err, ac) {
if (err != null) {
console.error("There was an error fetching accounts.");
return;
}
if (ac.length == 0) {
console.error("Couldn't get any accounts! Make sure ethereum client is configured correctly.");
return;
}
var accounts = ac;
var account = accounts[0];
web3.eth.defaultAccount = account;
console.log(web3.eth.defaultAccount);
coincode.deployed().then(function (instance) {
return instance.transfer('0xa977575a23c55aaa992cfa585c2efc15b404259b', 2000000000000000000000, {from:account}).then(function (value) {
value = value / 1000000000000000000;
console.log("Printing value: " + value);
});
}).catch(function (e) {
console.error(e);
});
});
Output:
0x24a60d3abe605a0ffc2852863eba5e517e5a4fc4
Error: Invalid JSON RPC response: ""
at Object.InvalidResponse (/home/pravin-coincode/infura/node_modules/web3/lib/web3/errors.js:38:16)
at XMLHttpRequest.request.onreadystatechange (/home/pravin-coincode/infura/node_modules/web3/lib/web3/httpprovider.js:125:24)
at XMLHttpRequestEventTarget.dispatchEvent (/home/pravin-coincode/infura/node_modules/xhr2/lib/xhr2.js:64:18)
at XMLHttpRequest._setReadyState (/home/pravin-coincode/infura/node_modules/xhr2/lib/xhr2.js:354:12)
at XMLHttpRequest._onHttpResponseEnd (/home/pravin-coincode/infura/node_modules/xhr2/lib/xhr2.js:509:12)
at IncomingMessage.<anonymous> (/home/pravin-coincode/infura/node_modules/xhr2/lib/xhr2.js:469:24)
at IncomingMessage.emit (events.js:187:15)
at endReadableNT (_stream_readable.js:1090:12)
at process._tickCallback (internal/process/next_tick.js:63:19)