require_once __DIR__ . "/../vendor/autoload.php";
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
use BitWasp\Bitcoin\Address\AddressFactory;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Key\PublicKeyFactory;
use BitWasp\Bitcoin\Rpc\RpcFactory;
use BitWasp\Bitcoin\Transaction\TransactionBuilder;
Bitcoin::setNetwork(\BitWasp\Bitcoin\Network\NetworkFactory::bitcoinTestnet());
$network = Bitcoin::getNetwork();
$ecAdapter = Bitcoin::getEcAdapter();
$privateKey = PrivateKeyFactory::fromHex('17a2209250b59f07a25b560aa09cb395a183eb260797c0396b82904f918518d5');
echo "[Key: " . $privateKey->toWif($network) . " Address " . $privateKey->getAddress()->getAddress($network) . "]\n";
$txHex = '010000000114a2856f5a2992a4ca0814be16a0ae79e2f88a6f53a20fcbcad5249165f56ee7010000006a47304402201e733603ac36239010e05ad229b4a18411d5507950f696db0771a5b7fe8e051202203c46da7e970e89cbbdfb4ee62fa775597a32e5029ab1d2a94f786999df2c2fd201210271127f11b833239aefd400b11d576e7cc48c6969c8e5f8e30b0f5ec0a514edf7feffffff02801a0600000000001976a914c4126d1b70f5667e492e3301c3aa8bf1031e21a888ac75a29d1d000000001976a9141ef8d6913c289890a5e9ec249fedde4440877d0288ac88540500';
$myTx = TransactionFactory::fromHex($txHex);
$spendOutput = 0;
$recipient = AddressFactory::fromString('n1b2a9rFvuU9wBgBaoWngNvvMxRV94ke3x');
echo "[Send to: " . $recipient->getAddress($network) . " \n";
$builder = new TransactionBuilder($ecAdapter);
$builder->spendOutput($myTx, $spendOutput)->payToAddress($recipient, 40000);
echo "setup stage\n";
print_r($builder);
echo "signing\n";
$builder->signInputWithKey($privateKey, $myTx->getOutputs()->getOutput($spendOutput)->getScript(), 0);
print_r($builder);
echo "Generate transaction: \n";
$new = $builder->getTransaction();
print_r($new);
echo $new->getHex() . "\n";
print_r($new);
<?php
require "../vendor/autoload.php";
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Transaction\Transaction;
use BitWasp\Bitcoin\Transaction\TransactionInput;
use BitWasp\Bitcoin\Transaction\TransactionOutput;
use BitWasp\Bitcoin\Transaction\TransactionBuilder;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
$ecAdapter = Bitcoin::getEcAdapter();
// Two users independently create private keys.
$pk1 = PrivateKeyFactory::fromHex('421c76d77563afa1914846b010bd164f395bd34c2102e5e99e0cb9cf173c1d87');
$pk2 = PrivateKeyFactory::fromHex('f7225388c1d69d57e6251c9fda50cbbf9e05131e5adb81e5aa0422402f048162');
// They exchange public keys, and a multisignature address is made.
$redeemScript = ScriptFactory::multisig(2, [$pk1->getPublicKey(), $pk2->getPublicKey()]);
$outputScript = $redeemScript->getOutputScript();
// The address is funded with a transaction (fake, for the purposes of this script).
// You would do getrawtransaction normally
$spendTx = new Transaction();
$spendTx->getInputs()->addInput(new TransactionInput('4141414141414141414141414141414141414141414141414141414141414141', 0));
$spendTx->getOutputs()->addOutput(new TransactionOutput(50, $outputScript));
// One party wants to spend funds. He creates a transaction spending the funding tx to his address.
$builder = new TransactionBuilder($ecAdapter);
$builder->spendOutput($spendTx, 0)->payToAddress($pk1->getAddress(), 50)->signInputWithKey($pk1, $outputScript, 0, $redeemScript)->signInputWithKey($pk2, $outputScript, 0, $redeemScript);
$rawTx = $builder->getTransaction()->getHex();
echo "Fully signed transaction: " . $builder->getTransaction()->getHex() . "\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();
