send transaction

gistfile1.txt

  sendSigned(txData,wallet_privatekey, cb) {
      var web3 = this.web3;
      const tx = new Tx(txData)
      var _pk = wallet_privatekey.slice(2);
      var privateKey = new Buffer(_pk, 'hex');
      tx.sign(privateKey)
      const serializedTx = tx.serialize()
      web3.eth.sendSignedTransaction('0x' + serializedTx.toString('hex'), cb)
  }

  sendToken(fromAddress,wallet_privatekey,abiArray,contractAddress){
    var web3 = this.web3;
    var self = this;

    var contractAddress = "0x8";
    var contract = web3.eth.Contract(abiArray).at(contractAddress);

    web3.eth.getTransactionCount(fromAddress).then(txCount => {
        console.log("nonce:" + txCount);
        const txData = {
            nonce: web3.utils.toHex(txCount),
            gasPrice: web3.utils.toHex(web3.utils.toWei('0.00000009', 'ether')),
            gasLimit: web3.utils.toHex(30000),
            to: contractAddress,
            value: "0x0",
            data: contract.transfer.getData("0xCb...", 10, {from: "0x26..."}),
            //chainId: 1
        }
        console.log("send----->");
        self.sendSigned(txData,wallet_privatekey, function (err, result) {
            if (err) return
            alert("error:" + err + "");
            console.log('error', err)
            console.log('sent', result)
            alert("" + result + "");
        })
    })

  }

  sendData(fromAddress,toAddress,wallet_privatekey) {
    var web3 = this.web3;
    var self = this;
    web3.eth.getTransactionCount(fromAddress).then(txCount => {
        console.log("nonce:" + txCount);
        const txData = {
            nonce: web3.utils.toHex(txCount),
            gasPrice: web3.utils.toHex(web3.utils.toWei('0.00000009', 'ether')),
            gasLimit: web3.utils.toHex(30000),
            to: toAddress,
            value: web3.utils.numberToHex(web3.utils.toWei('0.0001', 'ether')),
            data: web3.utils.asciiToHex('hello'),
            //chainId: 1
        }
        console.log("send----->");
        self.sendSigned(txData,wallet_privatekey, function (err, result) {
            if (err) return
            alert("error:" + err + "");
            console.log('error', err)
            console.log('sent', result)
            alert("" + result + "");
        })
    })
  }