public function createSampleTXO($payment_address = null, $overrides = [])
{
if ($payment_address === null) {
$payment_address = app('PaymentAddressHelper')->createSamplePaymentAddress();
}
$account = AccountHandler::getAccount($payment_address, 'default');
// build a real script
$script = ScriptFactory::scriptPubKey()->payToAddress(AddressFactory::fromString($payment_address['address']));
$attributes = array_merge(['txid' => $this->nextTXID(), 'n' => 0, 'script' => $script->getBuffer()->getHex(), 'amount' => 54321, 'type' => TXO::CONFIRMED, 'spent' => false, 'green' => false], $overrides);
$txo_model = $this->txo_repository->create($payment_address, $account, $attributes);
return $txo_model;
}
/**
* @param UtxoView $view
* @param TransactionInterface $tx
* @return int
*/
public function getP2shSigOps(UtxoView $view, TransactionInterface $tx)
{
if ($tx->isCoinbase()) {
return 0;
}
$nSigOps = 0;
$scriptPubKey = ScriptFactory::scriptPubKey();
for ($i = 0, $c = count($tx->getInputs()); $i < $c; $i++) {
$input = $tx->getInput($i);
$outputScript = $view->fetchByInput($input)->getOutput()->getScript();
if ($scriptPubKey->classify($outputScript)->isPayToScriptHash()) {
$nSigOps += $outputScript->countP2shSigOps($input->getScript());
}
}
return $nSigOps;
}
/**
* @param ScriptInterface $script
* @param ScriptInterface|null $redeemScript
* @return \BitWasp\Bitcoin\Script\ScriptInfo\ScriptInfoInterface
*/
public function load(ScriptInterface $script, ScriptInterface $redeemScript = null)
{
$classifier = ScriptFactory::scriptPubKey()->classify($script);
if ($classifier->isPayToScriptHash()) {
if (null === $redeemScript) {
throw new \InvalidArgumentException('Redeem script is required when output is P2SH');
}
$handler = new ScriptHash($redeemScript);
} elseif ($classifier->isMultisig()) {
$handler = new Multisig($script);
} elseif ($classifier->isPayToPublicKey()) {
$handler = new PayToPubkey($script);
} elseif ($classifier->isPayToPublicKeyHash()) {
$handler = new PayToPubkeyHash($script);
} else {
throw new \InvalidArgumentException('Unparsable script type');
}
return $handler;
}
/**
* @param ScriptInterface $redeemScript
*/
public function __construct(ScriptInterface $redeemScript)
{
$classifier = ScriptFactory::scriptPubKey()->classify($redeemScript);
if ($classifier->isPayToScriptHash()) {
throw new \InvalidArgumentException('Provided script is a pay-to-script-hash output script');
}
switch ($classifier->classify()) {
case OutputClassifier::MULTISIG:
$handler = new Multisig($redeemScript);
break;
case OutputClassifier::PAYTOPUBKEY:
$handler = new PayToPubkey($redeemScript);
break;
case OutputClassifier::PAYTOPUBKEYHASH:
$handler = new PayToPubkeyHash($redeemScript);
break;
default:
throw new \InvalidArgumentException('redeemScript not yet supported');
}
$this->redeemScript = $redeemScript;
$this->outputScript = ScriptFactory::scriptPubKey()->payToScriptHash($redeemScript);
$this->p2shAddress = AddressFactory::fromScript($redeemScript);
$this->handler = $handler;
}
/**
* Create an output paying $value to an Address.
*
* @param AddressInterface $address
* @param $value
* @return $this
*/
public function payToAddress(AddressInterface $address, $value)
{
// Create Script from address, then create an output.
$this->addOutput(new TransactionOutput($value, ScriptFactory::scriptPubKey()->payToAddress($address)));
return $this;
}
$bitcoinUrl = "bitcoin:" . $requirements[0]->address . "?amount=" . $request->valuebtc . "&r=" . $url;
//$bitcoinUrl = "bitcoin:?r=" . $url;
//echo $bitcoinUrl . "\n";
return $app['twig']->render('info.html.twig', ['request' => $request->to_array(), 'requirements' => $reqs, 'address' => $reqs[0]['address'], 'url' => $url, 'bitcoinUrl' => $bitcoinUrl]);
})->bind('info');
$app->match('/new', function (\Symfony\Component\HttpFoundation\Request $request) use($app) {
// some default data for when the form is displayed the first time
/** @var \Symfony\Component\Form\FormFactory $factory */
$factory = $app['form.factory'];
$form = $factory->createBuilder()->add('address', 'text', array('attr' => array('class' => 'form-control', 'placeholder' => 'Bitcoin address'), 'constraints' => [new \Symfony\Component\Validator\Constraints\NotBlank(), new \BitWasp\Payments\Application\Validator\BitcoinAddress()]))->add('value', 'text', array('attr' => array('class' => 'form-control', 'placeholder' => 'Amount in satoshis'), 'constraints' => new \Symfony\Component\Validator\Constraints\NotBlank()))->add('send', 'submit', array('attr' => array('class' => 'btn btn-lg btn-primary btn-block')))->getForm();
if ('POST' == $request->getMethod()) {
$form->bind($request);
if ($form->isValid()) {
$data = $form->getData();
$address = \BitWasp\Bitcoin\Address\AddressFactory::fromString($data['address']);
$script = \BitWasp\Bitcoin\Script\ScriptFactory::scriptPubKey()->payToAddress($address);
$txOut = new \BitWasp\Bitcoin\Transaction\TransactionOutput($data['value'], $script);
$slug = bin2hex(openssl_random_pseudo_bytes(32));
$signer = new \BitWasp\Bitcoin\PaymentProtocol\PaymentRequestSigner('none');
$builder = new \BitWasp\Bitcoin\PaymentProtocol\PaymentRequestBuilder($signer, 'main', time());
$builder->addOutput($txOut);
$details = $builder->getPaymentDetails();
$details->setPaymentUrl($app->url('request.payment', ['slug' => $slug]));
$request = $builder->getPaymentRequest();
$totalValue = $data['value'];
$amount = new \BitWasp\Bitcoin\Amount();
$dbRequest = \BitWasp\Payments\Db\Request::create(['slug' => $slug, 'value' => $totalValue, 'valueBtc' => $amount->toBtc($data['value']), 'payment_request' => $request->serialize()]);
$output = \BitWasp\Payments\Db\OutputRequirement::create(['request_id' => $dbRequest->id, 'value' => $data['value'], 'valueBtc' => $amount->toBtc($data['value']), 'address' => $data['address'], 'script' => $txOut->getScript()->getBinary()]);
$app['request_api']->pushRequest($slug, [$output]);
return $app->redirect($app['url_generator']->generate('info', array('slug' => $dbRequest->slug)));
}
<?php
require "../vendor/autoload.php";
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Transaction\OutPoint;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
use BitWasp\Bitcoin\Script\WitnessProgram;
use BitWasp\Bitcoin\Bitcoin;
$wif = 'QP3p9tRpTGTefG4a8jKoktSWC7Um8qzvt8wGKMxwWyW3KTNxMxN7';
$s = \BitWasp\Bitcoin\Network\NetworkFactory::bitcoinSegnet();
Bitcoin::setNetwork($s);
$ec = \BitWasp\Bitcoin\Bitcoin::getEcAdapter();
$key = PrivateKeyFactory::fromWif($wif);
echo $key->getPublicKey()->getAddress()->getAddress() . PHP_EOL;
$outpoint = new OutPoint(Buffer::hex('703f50920bff10e1622117af81b622d8bbd625460e61909cc3f8b8ee78a59c0d', 32), 0);
$scriptPubKey = ScriptFactory::scriptPubKey()->payToPubKeyHash($key->getPublicKey());
$value = 100000000;
$txOut = new \BitWasp\Bitcoin\Transaction\TransactionOutput($value, $scriptPubKey);
$destination = new WitnessProgram(0, $key->getPubKeyHash());
$p2sh = new \BitWasp\Bitcoin\Script\P2shScript($destination->getScript());
$tx = TransactionFactory::build()->spendOutPoint($outpoint)->output(95590000, $p2sh->getOutputScript())->get();
$signed = new \BitWasp\Bitcoin\Transaction\Factory\Signer($tx, $ec);
$signed->sign(0, $key, $txOut);
$ss = $signed->get();
echo $ss->getHex() . PHP_EOL;
/**
* @param AddressInterface $address
* @param $value
* @return PaymentRequestBuilder
*/
public function addAddressPayment(AddressInterface $address, $value)
{
$script = ScriptFactory::scriptPubKey()->payToAddress($address);
$output = new TransactionOutput($value, $script);
return $this->addOutput($output);
}
<?php
require "../vendor/autoload.php";
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Transaction\Factory\TxSigner;
use BitWasp\Bitcoin\Transaction\Factory\TxBuilder;
$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.
$redeemScript = ScriptFactory::scriptPubKey()->multisig(2, [$pk1->getPublicKey(), $pk2->getPublicKey()]);
$os = ScriptFactory::scriptPubKey()->payToScriptHash($redeemScript);
// The address is funded with a transaction (fake, for the purposes of this script).
// You would do getrawtransaction normall
$fundTx = (new TxBuilder())->input('4141414141414141414141414141414141414141414141414141414141414141', 0)->output(50, $os)->get();
// One party wants to spend funds. He creates a transaction spending the funding tx to his address.
$spendTx = (new TxBuilder())->spendOutputFrom($fundTx, 0)->payToAddress(50, $pk1->getAddress())->get();
// Two parties sign the transaction (can be done in steps)
$signer = new TxSigner($ecAdapter, $spendTx);
$signer->sign(0, $pk1, $os, $redeemScript)->sign(0, $pk2, $os, $redeemScript);
$rawTx = $signer->get()->getHex();
echo "Fully signed transaction: " . $signer->get()->getHex() . "\n";
/**
* Returns the redeemScript. Note - keys are already sorted in the constructor, so this is not required in ScriptFactory.
*
* @return \BitWasp\Bitcoin\Script\ScriptInterface
*/
public function getRedeemScript()
{
return ScriptFactory::scriptPubKey()->multisig($this->m, array_map(function (HierarchicalKey $key) {
return $key->getPublicKey();
}, $this->keys));
}
/**
* @param TransactionInterface $tx
* @return bool
*/
public function isRelevantAndUpdate(TransactionInterface $tx)
{
$this->updateEmptyFull();
$found = false;
if ($this->isFull()) {
return true;
}
if ($this->isEmpty()) {
return false;
}
// Check if the txid hash is in the filter
$txHash = $tx->getTxId();
if ($this->containsData($txHash)) {
$found = true;
}
// Check for relevant output scripts. We add the outpoint to the filter if found.
foreach ($tx->getOutputs() as $vout => $output) {
$script = $output->getScript();
$parser = $script->getScriptParser();
foreach ($parser as $exec) {
if ($exec->isPush() && $this->containsData($exec->getData())) {
$found = true;
if ($this->isUpdateAll()) {
$this->insertOutPoint($tx->makeOutPoint($vout));
} else {
if ($this->isUpdatePubKeyOnly()) {
$type = ScriptFactory::scriptPubKey()->classify($script);
if ($type->isMultisig() || $type->isPayToPublicKey()) {
$this->insertOutPoint($tx->makeOutPoint($vout));
}
}
}
}
}
}
if ($found) {
return true;
}
foreach ($tx->getInputs() as $txIn) {
if ($this->containsOutPoint($txIn->getOutPoint())) {
return true;
}
$parser = $txIn->getScript()->getScriptParser();
foreach ($parser as $exec) {
if ($exec->isPush() > 0 && $this->containsData($exec->getData())) {
return true;
}
}
}
return false;
}
<?php
use BitWasp\Bitcoin\Bitcoin;
use BitWasp\Bitcoin\Network\NetworkFactory;
use BitWasp\Bitcoin\Script\ScriptFactory;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Rpc\RpcFactory;
use BitWasp\Bitcoin\Miner\Miner;
require __DIR__ . "/../vendor/autoload.php";
// init network (TESTNET)
Bitcoin::setNetwork(NetworkFactory::bitcoinTestnet());
// generate a privatekey so we can received the BTC
$privKey = PrivateKeyFactory::create(true);
var_dump($privKey->toWif());
// get latest block from RPC
$rpc = RpcFactory::bitcoind(getenv('BITCOINLIB_RPC_HOST') ?: 'localhost', "18332", getenv('BITCOINLIB_RPC_USER') ?: 'bitcoin', getenv('BITCOINLIB_RPC_PASSWORD') ?: 'YOUR_PASSWORD');
$latest = $rpc->getblock($rpc->getbestblockhash());
// mining in the future \o/
$timestamp = time() + 3600 * 2;
// create script to pay ourselves
$script = ScriptFactory::scriptPubKey()->payToPubKey($privKey->getPublicKey());
// init miner
$miner = new Miner(Bitcoin::getMath(), $latest->getHeader(), $script, null, $timestamp, 2, true);
// let's GO!
var_dump("mining!");
$block = $miner->run();
// result
var_dump($block->getHeader()->getBlockHash());
echo $block->getBuffer();
/**
* @param ScriptInterface $scriptSig
* @return int
*/
public function countP2shSigOps(ScriptInterface $scriptSig)
{
if (!ScriptFactory::scriptPubKey()->classify($this)->isPayToScriptHash()) {
return $this->countSigOps(true);
}
$parser = $scriptSig->getScriptParser();
$data = null;
foreach ($parser as $exec) {
if ($exec->getOp() > Opcodes::OP_16) {
return 0;
}
if ($exec->isPush()) {
$data = $exec->getData();
}
}
if (!$data instanceof BufferInterface) {
return 0;
}
return (new Script($data))->countSigOps(true);
}
/**
* @return Script
*/
public function getOutputScript()
{
return ScriptFactory::scriptPubKey()->payToScriptHash($this);
}
/**
* @param AddressInterface $address
* @param NetworkInterface $network
* @return \React\Promise\Promise
*/
public function addressListUnspent(AddressInterface $address, NetworkInterface $network = null)
{
return $this->client->request('blockchain.address.listunspent', [$address->getAddress($network)])->then(function (Response $response) use($address) {
return array_map(function (array $value) use($address) {
return new Utxo($value['tx_hash'], $value['tx_pos'], new TransactionOutput($value['value'], ScriptFactory::scriptPubKey()->payToAddress($address)));
}, $response->getResult());
});
}
/**
* @param Buffer $secret
* @param PublicKeyInterface $a1
* @param PublicKeyInterface $a2
* @param PublicKeyInterface $b1
* @param PublicKeyInterface $b2
* @return ScriptInterface
*/
public function payToLightningChannel(Buffer $secret, PublicKeyInterface $a1, PublicKeyInterface $a2, PublicKeyInterface $b1, PublicKeyInterface $b2)
{
return ScriptFactory::create()->op('OP_DEPTH')->op('OP_3')->op('OP_EQUAL')->op('OP_IF')->op('OP_HASH160')->push(Hash::sha256ripe160($secret))->op('OP_EQUALVERIFY')->concat(ScriptFactory::scriptPubKey()->multisig(2, [$a1, $b1]))->op('OP_ELSE')->concat(ScriptFactory::scriptPubKey()->multisig(2, [$a2, $b2]))->op('OP_ENDIF')->getScript();
}
/**
* P2shScript constructor.
* @param ScriptInterface $script
* @param Opcodes|null $opcodes
*/
public function __construct(ScriptInterface $script, Opcodes $opcodes = null)
{
parent::__construct($script->getBuffer(), $opcodes);
$this->outputScript = ScriptFactory::scriptPubKey()->payToScriptHash($script);
}
<?php
require "../vendor/autoload.php";
use BitWasp\Buffertools\Buffer;
use BitWasp\Bitcoin\Crypto\Hash;
use BitWasp\Bitcoin\Key\PrivateKeyFactory;
use BitWasp\Bitcoin\Transaction\TransactionFactory;
use BitWasp\Bitcoin\Script\ScriptFactory;
$ent = Hash::sha256(new Buffer('abc'));
$priv = PrivateKeyFactory::fromHex($ent);
$publicKey = $priv->getPublicKey();
$outputScript = ScriptFactory::scriptPubKey()->payToPubKeyHash($publicKey);
$tx = TransactionFactory::build()->input('10001234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234', 0)->payToAddress(50, $publicKey->getAddress())->get();
$signed = TransactionFactory::sign($tx)->sign(0, $priv, $outputScript)->get();
echo $signed->getHex();
$consensus = ScriptFactory::consensus();
$validator = $signed->validator();
var_dump($validator->checkSignatures($consensus, [$outputScript]));
