Transfer Dash funds using InstantSend

dash-funds-transfer-InstantSend.js

const axios = require('axios');
const dashcore = require('dashcore-lib');

const API_BASE_URL = 'https://testnet-insight.dashevo.org/insight-api-dash';

const sender = {
  address: 'yRtqi4khyBHknDGarrsgrJLdvDipmbcbXx',
  privateKey: '6e38851a2df2866b95e87aa7cb1c37356a5f6a2546ba7249b86a656288ed18dd'
};

const recipient = {
  address: 'yMoj6nPsL5rUrqTz6hc1irYUQRf5rRectP'
};

const amount = 0.0001;

void async function() {
  try {
    const privateKey = new dashcore.PrivateKey(sender.privateKey);
    const senderAddress = privateKey.toAddress(dashcore.Networks.testnet);

    const utxosData = await axios.get(`${API_BASE_URL}/addr/${senderAddress.toString()}/utxo`);
    const utxos = utxosData.data.map(utxo => new dashcore.Transaction.UnspentOutput(utxo));

    const transaction = new dashcore.Transaction()
      .from(utxos)
      .to(dashcore.Address.fromString(recipient.address), dashcore.Unit.fromMilis(amount).toSatoshis())
      .change(senderAddress)
      .sign(privateKey);

    const broadcastResult = await axios.post(`${API_BASE_URL}/tx/sendix`, {
      rawtx: transaction.toString(),
    });

    console.log(broadcastResult.data);
    console.log('success');
  } catch (error) {
    console.error(error);
  }
}();