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Текущая директория: /opt/bitgo-express-backup-20251206-1327/node_modules/bitgo/example

Просмотр файла: sendBitcoinAdvanced.js

//
// Send money from a wallet on BitGo
// This is the advanced example using createTransaction / sendTransaction,
// which allows you to specify fees and the keychain used for signing the transaction.
// Defaults to work on BitGo test environment at https://test.bitgo.com
//
// Copyright 2014, BitGo, Inc.  All Rights Reserved.
//

var BitGoJS = require('../src/index.js');

if (process.argv.length < 9) {
  console.log("usage:\n\t" + process.argv[0] + " " + process.argv[1] +
    " <user> <pass> <otp> <walletId> <walletPassphrase> <destinationAddress> <amountSatoshis> <fee>");

  console.log("user: user email (on test.bitgo.com)");
  console.log("pass: password");
  console.log("otp: one-time password, 0000000 on test");
  console.log("walletId: wallet ID (first address on the wallet)");
  console.log("walletPassphrase: passphrase to decrypt the user key");
  console.log("destinationAddress: the bitcoin address to send coins to");
  console.log("amountSatoshis: number of satoshis to send");
  console.log("fee: fee to send to Bitcoin network (default 0.0001)");
  process.exit(-1);
}

var user = process.argv[2];
var password = process.argv[3];
var otp = process.argv[4];
var walletId = process.argv[5];
var walletPassphrase = process.argv[6];
var destinationAddress = process.argv[7];
var amountSatoshis = parseInt(process.argv[8], 10);
var fee = undefined; // required by bitcoin network

if (process.argv.length > 9) {
  fee = parseInt(process.argv[9], 10);
}

var bitgo = new BitGoJS.BitGo();

var sendBitcoin = function() {
  console.log("Getting wallet..");

  // Now get the wallet
  bitgo.wallets().get({id: walletId}, function(err, wallet) {
    if (err) {
      console.log("Error getting wallet!");
      console.dir(err);
      return process.exit(-1);
    }
    console.log("Balance is: " + (wallet.balance() / 1e8).toFixed(4));

    if ((amountSatoshis + fee) > wallet.balance()) {
      console.log("(" + amountSatoshis + "+" + fee + ") is > " + wallet.balance());
      console.log("Not enough money in wallet to send transaction!");
      return process.exit(-1);
    }

    wallet.getEncryptedUserKeychain({}, function(err, keychain) {
      if (err) {
        console.log("Error getting encrypted keychain!");
        console.dir(err);
        return process.exit(-1);
      }
      console.log("Got encrypted user keychain");

      // Decrypt the user key with a passphrase
      keychain.xprv = bitgo.decrypt({ password: walletPassphrase, input: keychain.encryptedXprv });

      // Set recipients
      var recipients = {};
      recipients[destinationAddress] = amountSatoshis;

      console.dir(keychain);
      console.log("Creating transaction");
      wallet.createTransaction({
        recipients: recipients,
        fee: fee
        },
        function(err, transaction) {
          if (err) {
            console.log("Failed to create transaction!");
            console.dir(err);
            return process.exit(-1);
          }

          console.dir(transaction);
          console.log("Signing transaction");
          wallet.signTransaction({
            transactionHex: transaction.transactionHex,
            unspents: transaction.unspents,
            keychain: keychain
          },
          function (err, transaction) {
            if (err) {
              console.log("Failed to sign transaction!");
              console.dir(err);
              return process.exit(-1);
            }

            console.dir(transaction);
            console.log("Sending transaction");
            wallet.sendTransaction({tx: transaction.tx}, function (err, callback) {
              console.log("Transaction sent: " + callback.tx);
            });
          });
        }
      );
    });
  });
};

// Authenticate first
bitgo.authenticate({ username: user, password: password, otp: otp }, function(err, result) {
  if (err) {
    console.dir(err);
    throw new Error("Could not authenticate!");
  }

  console.log("Unlocking account.." );
  bitgo.unlock({ otp: otp }, function(err) {
    if (err) { console.dir(err); throw new Error("Could not unlock!"); }
    sendBitcoin();
  });
});

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