gistfile1.txt

var Transaction = require('ethereumjs-tx');
var Web3 = require('web3')
var request = require("request");

var rpc = 'http://localhost:8545'
var web3 = new Web3()
web3.setProvider(new web3.providers.HttpProvider(rpc))

var tx = new Transaction();

tx.nonce = 0;
tx.gasPrice = 1000;
tx.gasLimit = 1000000;
tx.value = 0;
tx.data = '0x7f4e616d65526567000000000000000000000000000000000000000000000000003057307f4e616d6552656700000000000000000000000000000000000000000000000000573360455760415160566000396000f20036602259604556330e0f600f5933ff33560f601e5960003356576000335700604158600035560f602b590033560f60365960003356573360003557600035335700';

var privateKey = new Buffer('e331b6d69882b4cb4ea581d88e0b604039a3de5967688d3dcffdd2270c0fd109',
  'hex');

tx.sign(privateKey);

console.log('Total Amount of wei needed:' + tx.getUpfrontCost().toString());

console.log("base fee, data fee:", tx.getBaseFee().toString(), tx.getDataFee().toString());
console.log("TX valid:", tx.validate());

var serializedTx = tx.serialize();

console.log('---Serialized TX----');
console.log(tx.serialize().toString('hex'));
console.log('--------------------');

web3.eth.sendRawTransaction('0x' + tx.serialize().toString('hex'), function (err, r) {
  console.log(err)
  console.log(r)
})


//request.post("http://localhost:8545", {
//  json: {
//    "jsonrpc": "2.0",
//    "method": "eth_sendRawTransaction",
//    "params": [
//      //{data: "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"}
//      {
//        data: '0x' + serializedTx
//      }
//    ],
//    "id": 1
//  }
//}, function (err, res, body) {
//  console.log(body);
//});