ERC20 TokenをRopstenにデプロイ

contracts_KasajeiToken.sol

pragma solidity ^0.4.18;
import "zeppelin-solidity/contracts/token/StandardToken.sol";

contract KasajeiToken is StandardToken {
  string public name = "KasajeiToken";
  string public symbol = "KSJT";
  uint public decimals = 18;

  function KasajeiToken(uint initialSupply) public {
    totalSupply = initialSupply;
    balances[msg.sender] = initialSupply;
  }
}

migrations_2_deploy_kasajei_token.js

const KasajeiToken = artifacts.require('./KasajeiToken.sol')

module.exports = (deployer) => {
  let initialSupply = 50000e18
  deployer.deploy(KasajeiToken, initialSupply)
}

truffle.js

var HDWalletProvider = require("truffle-hdwallet-provider");

var mnemonic = "";
var infura_apikey = "";


module.exports = {
  networks: {
    development: {
      host: "localhost",
      port: 9545,
      network_id: "*" // Match any network id
    },
    ropsten: {
      provider: new HDWalletProvider(mnemonic, "https://ropsten.infura.io/"+infura_apikey),
      network_id: 3,
      gas: 2000000
    }
  }
};