<?php

Create a TX using third party software

Run on console: php -f .\sample\transaction-api\CreateTransactionWithThirdPartySoftware.php

use BitWasp\Bitcoin\Address\AddressFactory; use BitWasp\Bitcoin\Bitcoin; use BitWasp\Bitcoin\Key\PrivateKeyFactory; use BitWasp\Bitcoin\Transaction\TransactionBuilder; use BitWasp\Bitcoin\Transaction\TransactionFactory; require __DIR__ . '/../bootstrap.php'; $debug = false; Bitcoin::setNetwork(\BitWasp\Bitcoin\Network\NetworkFactory::bitcoinTestnet()); $network = Bitcoin::getNetwork(); $ecAdapter = Bitcoin::getEcAdapter();

Import private key

$compressed = true; $privateKey = PrivateKeyFactory::fromHex('1551558c3b75f46b71ec068f9e341bf35ee6df361f7b805deb487d8a4d5f055e', $compressed); if ($debug) { echo "[Key: " . $privateKey->toWif($network) . "]\n"; echo "[Address " . $privateKey->getAddress()->getAddress($network) . "]\n"; }

In order to run the sample you will need: 1.- Use the faucet to fund source address Faucet https://accounts.blockcypher.com/testnet-faucet?a=n3D2YXwvpoPg8FhcWpzJiS3SvKKGD8AXZ4 2.- Get unspent transaction outputs (UTXOs) and select one: https://api.blockcypher.com/v1/btc/test3/addrs/n3D2YXwvpoPg8FhcWpzJiS3SvKKGD8AXZ4?unspentOnly=true 3.- Get the hex tx for the selected UTXO: https://live.blockcypher.com/btc-testnet/tx/e7f034f4a56999d04d8a3a8f07dca10e87cd4a7fd2a779e9ecd41c57afec84f8/ 4.- Copy Tx Hex and paste here:

$txHex = '0100000001b674eafd9c1a79402661e7e7b37746145869260c29263f213f6f120ea8a95574010000006b483045022100ac406c14ef2da774d64d5504340fd278a827a99941cf0bef26fdff17c191ffa4022016a69a281ec1fcdf22c34543ff97a5c332ed12856fb44e525cf8ba3aea7c2d4101210274cb62e999bdf96c9b4ef8a2b44c1ac54d9de879e2ee666fdbbf0e1a03090cdfffffffff02e8030000000000001976a914a93806b8ae200fffca565f7cf9ef3ab17d4ffe8888ac204e0000000000001976a914edeed3ce7f485e44bc33969af08ec9250510f83f88ac00000000'; $myTx = TransactionFactory::fromHex($txHex); $spendOutput = 0; $recipient = AddressFactory::fromString('mvwhcFDFjmbDWCwVJ73b8DcG6bso3CZXDj'); if ($debug) { echo "[Send to: " . $recipient->getAddress($network) . "]\n"; } $builder = new TransactionBuilder($ecAdapter); $builder ->spendOutput($myTx, $spendOutput) ->payToAddress($recipient, 1000); if ($debug) { echo "Setup stage\n"; //print_r($builder); echo "Signing\n"; }

This line throws a warning but it works: https://github.com/mdanter/phpecc/issues/90

error_reporting(E_ERROR | E_PARSE); $builder->signInputWithKey($privateKey, $myTx->getOutputs()->getOutput($spendOutput)->getScript(), 0); if ($debug) { //print_r($builder); echo "Generate transaction: \n"; } $new = $builder->getTransaction(); $hexRawTx = $new->getHex(); if ($debug) { echo $hexRawTx . "\n"; } return $hexRawTx;