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<?php |
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namespace BitWasp\Bitcoin\RpcTest; |
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use BitWasp\Bitcoin\Crypto\EcAdapter\Key\PrivateKeyInterface; |
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use BitWasp\Bitcoin\Key\PrivateKeyFactory; |
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use BitWasp\Bitcoin\Script\ScriptFactory; |
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use BitWasp\Bitcoin\Transaction\Factory\Signer; |
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use BitWasp\Bitcoin\Transaction\Factory\TxBuilder; |
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use BitWasp\Bitcoin\Transaction\TransactionInput; |
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use BitWasp\Bitcoin\Transaction\TransactionInterface; |
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use BitWasp\Bitcoin\Transaction\TransactionOutput; |
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use BitWasp\Bitcoin\Utxo\Utxo; |
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class RbfTransactionTest extends AbstractTestCase |
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{ |
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/** |
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* @var RegtestBitcoinFactory |
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*/ |
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private $rpcFactory; |
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public function __construct($name = null, array $data = [], $dataName = '') |
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{ |
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parent::__construct($name, $data, $dataName); |
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static $rpcFactory = null; |
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if (null === $rpcFactory) { |
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$rpcFactory = new RegtestBitcoinFactory(); |
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} |
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$this->rpcFactory = $rpcFactory; |
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} |
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private function assertSendRawTransaction($result) { |
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$this->assertInternalType('array', $result); |
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$this->assertArrayHasKey('error', $result); |
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$this->assertEquals(null, $result['error']); |
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$this->assertArrayHasKey('result', $result); |
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$this->assertEquals(64, strlen($result['result'])); |
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} |
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private function assertBitcoindError($errorCode, $result) |
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{ |
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$this->assertInternalType('array', $result); |
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$this->assertArrayHasKey('error', $result); |
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$this->assertInternalType('array', $result['error']); |
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$this->assertEquals($errorCode, $result['error']['code']); |
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$this->assertArrayHasKey('error', $result); |
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$this->assertEquals(null, $result['result']); |
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} |
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/** |
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* @param Utxo[] $utxos |
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* @param PrivateKeyInterface[] $privKeys |
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* @param TransactionOutput[] $outputs |
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* @param array $sequences - sequence to set on inputs |
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* @return TransactionInterface |
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*/ |
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private function createTransaction(array $utxos, array $privKeys, array $outputs, array $sequences) |
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{ |
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$this->assertEquals(count($utxos), count($privKeys)); |
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$this->assertEquals(count($utxos), count($sequences)); |
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// First transaction, spends UTXO 0, to $destSPK 0.25 and $changeSPK 0.2499 |
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$txBuilder = new TxBuilder(); |
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$totalIn = 0; |
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foreach ($utxos as $i => $utxo) { |
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$txid = $utxo->getOutPoint()->getTxId(); |
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$vout = $utxo->getOutPoint()->getVout(); |
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$txBuilder->input($txid, $vout, null, $sequences[$i]); |
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$totalIn += $utxo->getOutput()->getValue(); |
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} |
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$totalOut = 0; |
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foreach ($outputs as $output) { |
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$txBuilder->output($output->getValue(), $output->getScript()); |
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$totalOut += $output->getValue(); |
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} |
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$this->assertGreaterThanOrEqual($totalOut, $totalIn, "TotalIn should be greater than TotalOut"); |
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$signer = new Signer($txBuilder->get()); |
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foreach ($utxos as $i => $utxo) { |
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$iSigner = $signer |
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->input($i, $utxo->getOutput()) |
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->sign($privKeys[$i]) |
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; |
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$this->assertTrue($iSigner->isFullySigned()); |
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} |
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return $signer->get(); |
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} |
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public function testCanReplaceSingleOutputIfOptin() |
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{ |
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$bitcoind = $this->rpcFactory->startBitcoind(); |
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$this->assertTrue($bitcoind->isRunning()); |
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$destKey = PrivateKeyFactory::create(true); |
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$destSPK = ScriptFactory::scriptPubKey()->p2wkh($destKey->getPubKeyHash()); |
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$privateKey = PrivateKeyFactory::create(true); |
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$scriptPubKey = ScriptFactory::scriptPubKey()->p2wkh($privateKey->getPubKeyHash()); |
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$amount = 100000000; |
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/** @var Utxo[] $utxos */ |
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$utxos = [ |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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]; |
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// Part 1: tx[#1: replacable once] |
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$tx = $this->createTransaction( |
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[$utxos[0]], |
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[$privateKey], |
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[new TransactionOutput(99999000, $destSPK),], |
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[TransactionInput::SEQUENCE_FINAL - 2] |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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// Part 2: tx[#1: not replaceable | #2 not replaceable] |
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$tx = $this->createTransaction( |
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$utxos, |
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[$privateKey, $privateKey], |
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[new TransactionOutput($amount + 99980000, $destSPK),], |
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[TransactionInput::SEQUENCE_FINAL - 1, TransactionInput::SEQUENCE_FINAL - 1] |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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$bitcoind->destroy(); |
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} |
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public function testCannotReplaceIfNotOptin() |
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{ |
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$bitcoind = $this->rpcFactory->startBitcoind(); |
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$this->assertTrue($bitcoind->isRunning()); |
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$destKey = PrivateKeyFactory::create(true); |
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$destSPK = ScriptFactory::scriptPubKey()->p2wkh($destKey->getPubKeyHash()); |
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$privateKey = PrivateKeyFactory::create(true); |
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$scriptPubKey = ScriptFactory::scriptPubKey()->p2wkh($privateKey->getPubKeyHash()); |
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$amount = 100000000; |
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/** @var Utxo[] $utxos */ |
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$utxos = [ |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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]; |
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// Part 1: tx[#1: not replacable] |
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$tx = $this->createTransaction( |
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[$utxos[0]], |
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[$privateKey], |
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[new TransactionOutput(99990000, $destSPK),], |
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[TransactionInput::SEQUENCE_FINAL] |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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// Part 2: [fail] tx[#1: not replacable | #2 replacable] |
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$tx = $this->createTransaction( |
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$utxos, |
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[$privateKey, $privateKey], |
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[new TransactionOutput($amount + 99990000, $destSPK),], |
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[TransactionInput::SEQUENCE_FINAL, 0] |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertBitcoindError(RpcServer::ERROR_TX_MEMPOOL_CONFLICT, $result); |
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$bitcoind->destroy(); |
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} |
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public function testCanReplaceIfOptin() |
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{ |
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$bitcoind = $this->rpcFactory->startBitcoind(); |
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$this->assertTrue($bitcoind->isRunning()); |
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$destKey = PrivateKeyFactory::create(true); |
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$destSPK = ScriptFactory::scriptPubKey()->p2wkh($destKey->getPubKeyHash()); |
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$changeKey = PrivateKeyFactory::create(true); |
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$changeSPK = ScriptFactory::scriptPubKey()->p2wkh($changeKey->getPubKeyHash()); |
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$privateKey = PrivateKeyFactory::create(true); |
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$scriptPubKey = ScriptFactory::scriptPubKey()->p2wkh($privateKey->getPubKeyHash()); |
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$amount = 100000000; |
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/** @var Utxo[] $utxos */ |
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$utxos = [ |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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$bitcoind->fundOutput($amount, $scriptPubKey), |
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]; |
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// Part 1: replacable tx[#1: replaceable 2] |
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$nIn = 1; |
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$tx = $this->createTransaction( |
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array_slice($utxos, 0, $nIn), |
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array_fill(0, $nIn, $privateKey), |
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[ |
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new TransactionOutput(25000000, $destSPK), |
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new TransactionOutput(74990000, $changeSPK), |
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], |
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array_fill(0, $nIn, TransactionInput::SEQUENCE_FINAL - 3) |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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// Part 2: replace tx[#1: replaceable 1 | #2: replaceable 1] |
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$nIn = 2; |
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$tx = $this->createTransaction( |
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array_slice($utxos, 0, $nIn), |
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array_fill(0, $nIn, $privateKey), |
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[ |
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new TransactionOutput(25000000, $destSPK), |
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new TransactionOutput($amount + 74950000, $changeSPK), |
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], |
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array_fill(0, $nIn, TransactionInput::SEQUENCE_FINAL - 2) |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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// Part 3: replace tx[#1: replaceable 0 | #2: replaceable 0 | #3: replaceable 0] |
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$nIn = 3; |
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$tx = $this->createTransaction( |
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array_slice($utxos, 0, $nIn), |
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array_fill(0, $nIn, $privateKey), |
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[ |
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new TransactionOutput(25000000, $destSPK), |
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new TransactionOutput((2 * $amount) + 74920000, $changeSPK), |
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], |
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array_fill(0, $nIn, TransactionInput::SEQUENCE_FINAL - 1) |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertSendRawTransaction($result); |
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// Part 4: this one won't work, inputs are all irreplacable |
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$nIn = 4; |
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$tx = $this->createTransaction( |
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array_slice($utxos, 0, $nIn), |
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array_fill(0, $nIn, $privateKey), |
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[ |
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new TransactionOutput(25000000, $destSPK), |
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new TransactionOutput((3 * $amount) + 74900000, $changeSPK), |
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], |
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array_fill(0, $nIn, TransactionInput::SEQUENCE_FINAL) |
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); |
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$result = $bitcoind->makeRpcRequest('sendrawtransaction', [$tx->getHex()]); |
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$this->assertBitcoindError(RpcServer::ERROR_TX_MEMPOOL_CONFLICT, $result); |
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$bitcoind->destroy(); |
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} |
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} |
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Bit-Wasp /
bitcoin-php
