/**
* @param int $type
* @param Buffer $hash
*/
public function __construct($type, Buffer $hash)
{
if (false === $this->checkType($type)) {
throw new \InvalidArgumentException('Invalid type in InventoryVector');
}
if (false === (32 === $hash->getSize())) {
throw new \InvalidArgumentException('Hash size must be 32 bytes');
}
$this->type = $type;
$this->hash = $hash;
}
/**
* @param int|string $version
* @param Buffer $prevBlock
* @param Buffer $merkleRoot
* @param int|string $timestamp
* @param Buffer $bits
* @param int|string $nonce
*/
public function __construct($version, Buffer $prevBlock, Buffer $merkleRoot, $timestamp, Buffer $bits, $nonce)
{
if (!is_numeric($version)) {
throw new \InvalidArgumentException('Block header version must be numeric');
}
if ($prevBlock->getSize() !== 32) {
throw new \InvalidArgumentException('Block header prevBlock must be a 32-byte Buffer');
}
if ($merkleRoot->getSize() !== 32) {
throw new \InvalidArgumentException('Block header prevBlock must be a 32-byte Buffer');
}
if (!is_numeric($timestamp)) {
throw new \InvalidArgumentException('Block header timestamp must be numeric');
}
if (!is_numeric($nonce)) {
throw new \InvalidArgumentException('Block header nonce must be numeric');
}
$this->version = $version;
$this->prevBlock = $prevBlock;
$this->merkleRoot = $merkleRoot;
$this->timestamp = $timestamp;
$this->bits = $bits;
$this->nonce = $nonce;
$this->initFunctionAlias('version', 'getVersion')->initFunctionAlias('prevBlock', 'getPrevBlock')->initFunctionAlias('merkleRoot', 'getMerkleRoot')->initFunctionAlias('timestamp', 'getTimestamp')->initFunctionAlias('bits', 'getBits')->initFunctionAlias('nonce', 'getNonce');
}
/**
* @param Buffer $ip
* @return string
* @throws \Exception
*/
private function parseIpBuffer(Buffer $ip)
{
$end = $ip->slice(12, 4);
return implode(".", array_map(function ($int) {
return unpack("C", $int)[1];
}, str_split($end->getBinary(), 1)));
}
/**
* @param Buffer $bits
* @return array
*/
public function unpackCompact(Buffer $bits)
{
$bitStr = $bits->getBinary();
// Unpack and decode
$sci = array_map(function ($value) {
return $this->hexDec($value);
}, unpack('H2exp/H6mul', $bitStr));
return $sci;
}
/**
* OutPoint constructor.
* @param Buffer $hashPrevOutput
* @param int $nPrevOutput
*/
public function __construct(Buffer $hashPrevOutput, $nPrevOutput)
{
if ($hashPrevOutput->getSize() !== 32) {
throw new \InvalidArgumentException('OutPoint: hashPrevOut must be a 32-byte Buffer');
}
if (!is_numeric($nPrevOutput)) {
throw new \InvalidArgumentException('OutPoint: nPrevOut must be numeric');
}
$this->hashPrevOutput = $hashPrevOutput;
$this->nPrevOutput = $nPrevOutput;
$this->initFunctionAlias('txid', 'getTxId')->initFunctionAlias('vout', 'getVout');
}
/**
* @param Buffer $hash
* @param int|string $nBits
* @return bool
*/
public function check(Buffer $hash, $nBits)
{
$negative = false;
$overflow = false;
$target = $this->math->writeCompact($nBits, $negative, $overflow);
if ($negative || $overflow || $this->math->cmp($target, 0) === 0 || $this->math->cmp($target, $this->getMaxTarget()) > 0) {
throw new \RuntimeException('nBits below minimum work');
}
if ($this->math->cmp($hash->getInt(), $target) > 0) {
throw new \RuntimeException("Hash doesn't match nBits");
}
return true;
}
/**
* Generate a master private key given a
* @param Buffer $seed
* @param EcAdapterInterface $ecAdapter
* @return ElectrumKey
*/
public static function generateMasterKey(Buffer $seed, EcAdapterInterface $ecAdapter = null)
{
// Really weird, did electrum actually hash hex string seeds?
$seed = $oldseed = $seed->getHex();
// Perform sha256 hash 5 times per iteration
for ($i = 0; $i < 5 * 20000; $i++) {
// Hash should return binary data
$seed = hash('sha256', $seed . $oldseed, true);
}
// Convert binary data to hex.
$str = new Buffer($seed);
return self::fromSecretExponent($str->getInt(), $ecAdapter ?: Bitcoin::getEcAdapter());
}
/**
* @param Buffer $entropy
* @return array
*/
public function entropyToWords(Buffer $entropy)
{
$math = $this->ecAdapter->getMath();
$ENT = $entropy->getSize() * 8;
$CS = $ENT / 32;
$entBits = $math->baseConvert($entropy->getHex(), 16, 2);
$csBits = $this->calculateChecksum($entropy, $CS);
$bits = str_pad($entBits . $csBits, $ENT + $CS, '0', STR_PAD_LEFT);
$result = [];
foreach (str_split($bits, 11) as $bit) {
$idx = $math->baseConvert($bit, 2, 10);
$result[] = $this->wordList->getWord($idx);
}
return $result;
}
/**
* @param string $hex
* @param bool $compressed
* @param EcAdapterInterface|null $ecAdapter
* @return PrivateKey
*/
public static function fromHex($hex, $compressed = false, EcAdapterInterface $ecAdapter = null)
{
$hex = Buffer::hex($hex);
$ecAdapter = $ecAdapter ?: Bitcoin::getEcAdapter();
$hexSerializer = new HexPrivateKeySerializer($ecAdapter);
return $hexSerializer->parse($hex)->setCompressed($compressed);
}
public function testPeer()
{
$localhost = '127.0.0.1';
$localport = '8333';
$remotehost = '127.0.0.1';
$remoteport = '9999';
$loop = new StreamSelectLoop();
$dnsResolverFactory = new \React\Dns\Resolver\Factory();
$dns = $dnsResolverFactory->createCached('8.8.8.8', $loop);
$reactServer = new Server($loop);
$network = Bitcoin::getDefaultNetwork();
$client = new NetworkAddress(Buffer::hex('0000000000000001'), $localhost, $localport);
$server = new NetworkAddress(Buffer::hex('0000000000000001'), $remotehost, $remoteport);
$msgs = new Factory($network, new Random());
$serverReceivedConnection = false;
$serverListener = new Listener($server, $msgs, $reactServer, $loop);
$serverListener->on('connection', function (Peer $peer) use(&$serverReceivedConnection, &$serverListener) {
$peer->close();
$serverReceivedConnection = true;
});
$serverListener->listen($server->getPort());
$connector = new Connector($loop, $dns);
$clientConnection = new Peer($client, $msgs, $loop);
$clientConnection->connect($connector, $server)->then(function (Peer $peer) use($serverListener, &$loop) {
$peer->close();
$serverListener->close();
});
$loop->run();
$this->assertTrue($serverReceivedConnection);
}
/**
* Composes a send transaction
* @param string $asset A counterparty asset name or BTC
* @param mixed $quantity Quantity of asset to send. Accepts a float or a Tokenly\CounterpartyTransactionComposer\Quantity or Tokenly\CryptoQuantity\CryptoQuantity object. Use a Quantity object for indivisible assets.
* @param mixed $destination A single destination bitcoin address. For BTC sends an array of [[address, amount], [address, amount]] is also allowed. Amounts should be float values.
* @param string $private_key_wif The private key in ASCII WIF format. This can be null to compose an unsigned transaction.
* @param array $utxos An array of UTXOs. Each UTXO should be ['txid' => txid, 'n' => n, 'amount' => amount (in satoshis), 'script' => script hexadecimal string]
* @param mixed $change_address_collection a single address string to receive all change. Or an array of [[address, amount], [address, amount], [address]]. Amounts should be float values. An address with no amount for the last entry will send the remaining change to that address.
* @param float $fee A fee
* @param float $btc_dust Amount of BTC dust to send with the Counterparty transaction.
* @return Array returns a ComposedTransaction object
*/
public function composeSend($asset, $quantity, $destination, $private_key_wif, $utxos, $change_address_collection = null, $fee = null, $btc_dust = null)
{
if ($asset == 'BTC') {
return $this->composeBTCSend($quantity, $destination, $private_key_wif, $utxos, $change_address_collection, $fee);
}
$fee_satoshis = $fee === null ? self::DEFAULT_FEE : intval(round($fee * self::SATOSHI));
$btc_dust_satoshis = $btc_dust === null ? self::DEFAULT_BTC_DUST : intval(round($btc_dust * self::SATOSHI));
// get total and change amount
$change_amounts = $this->calculateAndValidateChange($utxos, $btc_dust_satoshis, $fee_satoshis, $change_address_collection);
$tx_builder = TransactionFactory::build();
// add the UTXO inputs
$transaction_outputs = $this->addInputsAndReturnPreviousOutputs($utxos, $tx_builder);
// pay the btc_dust to the destination
if (is_array($destination)) {
throw new Exception("Multiple destinations are not supported for counterparty sends", 1);
}
$tx_builder->payToAddress($btc_dust_satoshis, AddressFactory::fromString($destination));
// build the OP_RETURN script
$op_return_builder = new OpReturnBuilder();
$op_return = $op_return_builder->buildOpReturn($quantity, $asset, $utxos[0]['txid']);
$script = ScriptFactory::create()->op('OP_RETURN')->push(Buffer::hex($op_return, 28))->getScript();
$tx_builder->output(0, $script);
// pay the change to self
$this->payChange($change_amounts, $tx_builder);
// sign
if ($private_key_wif !== null) {
$signed_transaction = $this->signTx($private_key_wif, $tx_builder, $transaction_outputs);
return $this->buildReturnValuesFromTransactionAndInputs($signed_transaction, $utxos, true);
}
return $this->buildReturnValuesFromTransactionAndInputs($tx_builder->get(), $utxos, false);
}
public function __construct()
{
parent::__construct(function () {
$consensus = new ConsensusFactory(Bitcoin::getEcAdapter());
$loop = LoopFactory::create();
$context = new ZmqContext($loop);
$control = $context->getSocket(\ZMQ::SOCKET_SUB);
$control->connect('tcp://127.0.0.1:5594');
$control->subscribe('control');
$control->on('messages', function ($msg) use($loop) {
if ($msg[1] == 'shutdown') {
$loop->stop();
}
});
$results = $context->getSocket(\ZMQ::SOCKET_PUSH);
$results->connect("tcp://127.0.0.1:5593");
$workers = $context->getSocket(\ZMQ::SOCKET_PULL);
$workers->connect('tcp://127.0.0.1:5592');
$workers->on('message', function ($message) use($consensus, $results) {
$details = json_decode($message, true);
$txid = $details['txid'];
$flags = $details['flags'];
$vin = $details['vin'];
$scriptPubKey = new Script(Buffer::hex($details['scriptPubKey']));
$tx = TransactionFactory::fromHex($details['tx']);
$results->send(json_encode(['txid' => $txid, 'vin' => $vin, 'result' => $consensus->getConsensus(new Flags($flags))->verify($tx, $scriptPubKey, $vin)]));
});
$loop->run();
exit(0);
});
}
/**
* Connect to $numSeeds DNS seeds
*
* @param int $numSeeds
* @return \React\Promise\Promise|\React\Promise\PromiseInterface
*/
public function queryDnsSeeds($numSeeds = 1)
{
$peerList = new Deferred();
// Take $numSeeds
$seedHosts = self::dnsSeedHosts();
$seeds = array_slice($seedHosts, 0, min($numSeeds, count($seedHosts)));
// Connect to $numSeeds peers
/** @var Peer[] $vNetAddr */
$vNetAddr = [];
foreach ($seeds as $seed) {
echo " [ query DNS seed: " . $seed . " ] \n";
$this->dns->resolve($seed)->then(function ($ipList) use(&$vNetAddr, $peerList, &$numSeeds) {
$vNetAddr[] = $ipList;
if (count($vNetAddr) == $numSeeds) {
$peerList->resolve($vNetAddr);
}
});
}
// Compile the list of lists of peers into $this->knownAddresses
return $peerList->promise()->then(function (array $vPeerVAddrs) {
shuffle($vPeerVAddrs);
/** @var NetworkAddressInterface[] $addresses */
$addresses = [];
array_map(function (array $value) use(&$addresses) {
foreach ($value as $ip) {
$addresses[] = new NetworkAddress(Buffer::hex('01', 8), $ip, 8333);
}
}, $vPeerVAddrs);
$this->knownAddresses = array_merge($this->knownAddresses, $addresses);
return $this;
});
}
public function testMethods()
{
$loop = new \React\EventLoop\StreamSelectLoop();
$dns = (new \BitWasp\Bitcoin\Networking\Dns\Factory())->create('8.8.8.8', $loop);
$network = Bitcoin::getDefaultNetwork();
$random = new Random();
$messages = new \BitWasp\Bitcoin\Networking\Messages\Factory($network, $random);
$factory = new Factory($dns, $messages, $loop);
$this->assertInstanceOf($this->peerType, $factory->getPeer());
$services = Buffer::hex('00', 8);
$address = $factory->getAddress('127.0.0.1', 8332, $services);
$this->assertInstanceOf($this->addrType, $address);
$connector = $factory->getConnector();
$this->assertInstanceOf($this->connType, $connector);
$server = $factory->getServer();
$this->assertInstanceOf($this->serverType, $server);
$locator = $factory->getLocator();
$this->assertInstanceOf($this->locatorType, $locator);
$listener = $factory->getListener($server);
$this->assertInstanceOf($this->listenerType, $listener);
$handler = $factory->getPacketHandler();
$this->assertInstanceOf($this->handlerType, $handler);
$manager = $factory->getManager();
$this->assertInstanceOf($this->managerType, $manager);
}
/**
* @param \BitWasp\Buffertools\Buffer $sig
* @return bool
* @throws SignatureNotCanonical
*/
public static function isDERSignature(Buffer $sig)
{
$checkVal = function ($fieldName, $start, $length, $binaryString) {
if ($length == 0) {
throw new SignatureNotCanonical('Signature ' . $fieldName . ' length is zero');
}
$typePrefix = ord(substr($binaryString, $start - 2, 1));
if ($typePrefix !== 0x2) {
throw new SignatureNotCanonical('Signature ' . $fieldName . ' value type mismatch');
}
$val = substr($binaryString, $start, $length);
$vAnd = $val[0] & pack("H*", '80');
if (ord($vAnd) === 128) {
throw new SignatureNotCanonical('Signature ' . $fieldName . ' value is negative');
}
if ($length > 1 && ord($val[0]) == 0x0 && !ord($val[1] & pack('H*', '80'))) {
throw new SignatureNotCanonical('Signature ' . $fieldName . ' value excessively padded');
}
};
$bin = $sig->getBinary();
$size = $sig->getSize();
if ($size < 9) {
throw new SignatureNotCanonical('Signature too short');
}
if ($size > 73) {
throw new SignatureNotCanonical('Signature too long');
}
if (ord($bin[0]) !== 0x30) {
throw new SignatureNotCanonical('Signature has wrong type');
}
if (ord($bin[1]) !== $size - 3) {
throw new SignatureNotCanonical('Signature has wrong length marker');
}
$lenR = ord($bin[3]);
$startR = 4;
if (5 + $lenR >= $size) {
throw new SignatureNotCanonical('Signature S length misplaced');
}
$lenS = ord($bin[5 + $lenR]);
$startS = 4 + $lenR + 2;
if ($lenR + $lenS + 7 !== $size) {
throw new SignatureNotCanonical('Signature R+S length mismatch');
}
$checkVal('R', $startR, $lenR, $bin);
$checkVal('S', $startS, $lenS, $bin);
return true;
}
/**
* @param Parser $parser
* @return Buffer
* @throws \BitWasp\Buffertools\Exceptions\ParserOutOfRange
*/
public function read(Parser &$parser)
{
$bits = $this->readBits($parser->readBytes($this->length));
if (!$this->isBigEndian()) {
$bits = $this->flipBits($bits);
}
return Buffer::hex(str_pad($this->getMath()->baseConvert($bits, 2, 16), $this->length * 2, '0', STR_PAD_LEFT), $this->length, $this->getMath());
}
/**
* @param $hex
* @return PublicKey
* @throws \Exception
*/
public function parse($hex)
{
$hex = Buffer::hex($hex);
if (!in_array($hex->getSize(), [PublicKey::LENGTH_COMPRESSED, PublicKey::LENGTH_UNCOMPRESSED])) {
throw new \Exception('Invalid hex string, must match size of compressed or uncompressed public key');
}
return $this->ecAdapter->publicKeyFromBuffer($hex);
}
/**
* @param NodeInterface $node
* @param array $params
* @return array
*/
public function execute(NodeInterface $node, array $params)
{
if (strlen($params[self::PARAM_HASH]) !== 64) {
throw new \RuntimeException('Invalid hash');
}
$index = $node->chain()->fetchIndex(Buffer::hex($params[self::PARAM_HASH]));
return ['header' => $this->convertIndexToArray($index)];
}
/**
* @return \BitWasp\Bitcoin\Block\BlockInterface
*/
public function getGenesisBlock()
{
$timestamp = new Buffer('The Times 03/Jan/2009 Chancellor on brink of second bailout for banks', null, $this->math);
$publicKey = Buffer::hex('04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f', null, $this->math);
$inputScript = ScriptFactory::sequence([Buffer::int('486604799', 4, $this->math)->flip(), Buffer::int('4', null, $this->math), $timestamp]);
$outputScript = ScriptFactory::sequence([$publicKey, Opcodes::OP_CHECKSIG]);
return new Block($this->math, $this->getGenesisBlockHeader(), new TransactionCollection([(new TxBuilder())->version('1')->input(new Buffer('', 32), 4294967295.0, $inputScript)->output(5000000000.0, $outputScript)->locktime(0)->get()]));
}
/**
* @param NetworkInterface|null $network
* @return string
*/
public function getAddress(NetworkInterface $network = null)
{
$network = $network ?: Bitcoin::getNetwork();
$witnessByte = dechex($this->witnessVersion);
$witnessByte = strlen($witnessByte) % 2 == 0 ? $witnessByte : '0' . $witnessByte;
$payload = Buffer::hex($this->getPrefixByte($network) . $witnessByte . "00" . $this->getHash());
return Base58::encodeCheck($payload);
}
/**
* @param NetworkInterface $network
* @param PrivateKeyInterface $privateKey
* @return string
*/
public function serialize(NetworkInterface $network, PrivateKeyInterface $privateKey)
{
$serialized = Buffertools::concat(Buffer::hex($network->getPrivByte()), $this->hexSerializer->serialize($privateKey));
if ($privateKey->isCompressed()) {
$serialized = Buffertools::concat($serialized, new Buffer("", 1));
}
return Base58::encodeCheck($serialized);
}
public function testHashIsSerializedInReverseOrder()
{
$buffer = Buffer::hex('0001020300010203000102030001020300010203000102030001020300010203');
$inv = Inventory::block($buffer);
$results = unpack("Vtype/H64hash", $inv->getBinary());
$parsedBuffer = Buffer::hex($results['hash']);
$this->assertEquals($buffer->getHex(), Buffertools::flipBytes($parsedBuffer)->getHex());
}
/**
* @param BlockInterface $block
* @return \BitWasp\Buffertools\BufferInterface
*/
public function serialize(BlockInterface $block)
{
$buffer = $block->getBuffer();
$size = $buffer->getSize();
$data = new Parser($this->getHeaderTemplate()->write([Buffer::hex($this->network->getNetMagicBytes()), $size]));
$data->writeBytes($size, $buffer);
return $data->getBuffer();
}
/**
* @param TransactionSignature $txSig
* @return \BitWasp\Buffertools\Buffer
*/
public function serialize(TransactionSignature $txSig)
{
$sig = $this->sigSerializer->serialize($txSig->getSignature());
$parser = new Parser($sig->getHex());
$parser->writeBytes(1, Buffer::int($txSig->getHashType(), 1));
$buffer = $parser->getBuffer();
return $buffer;
}
/**
* @param $opCode
* @param ScriptStack $mainStack
* @throws \BitWasp\Bitcoin\Exceptions\ScriptStackException
* @throws \Exception
*/
private function twoValueCases($opCode, ScriptStack $mainStack)
{
if ($mainStack->size() < 2) {
throw new \Exception('Invalid stack operation (greater than)');
}
$num1 = $mainStack->top(-2)->getInt();
// cscriptnum
$num2 = $mainStack->top(-1)->getInt();
$opCodes = $this->opCodes;
$opName = $opCodes->getOp($opCode);
$math = $this->math;
$castToBool = $this->castToBool;
if ($opName == 'OP_ADD') {
$num = $math->add($num1, $num2);
} elseif ($opName == 'OP_SUB') {
// cscriptnum
$num = $math->sub($num1, $num2);
} elseif ($opName == 'OP_BOOLAND') {
// cscriptnum
$num = $math->cmp($num1, $this->_bn0->getInt()) !== 0 && $math->cmp($num2, $this->_bn0->getInt()) !== 0;
} elseif ($opName == 'OP_BOOLOR') {
$num = $math->cmp($num1, $this->_bn0->getInt()) !== 0 || $math->cmp($num2, $this->_bn0->getInt()) !== 0;
} elseif ($opName == 'OP_NUMEQUAL') {
// cscriptnum
$num = $math->cmp($num1, $num2) == 0;
} elseif ($opName == 'OP_NUMEQUALVERIFY') {
// cscriptnum
$num = $math->cmp($num1, $num2) == 0;
} elseif ($opName == 'OP_NUMNOTEQUAL') {
$num = $math->cmp($num1, $num2) !== 0;
} elseif ($opName == 'OP_LESSTHAN') {
// cscriptnum
$num = $math->cmp($num1, $num2) < 0;
} elseif ($opName == 'OP_GREATERTHAN') {
$num = $math->cmp($num1, $num2) > 0;
} elseif ($opName == 'OP_LESSTHANOREQUAL') {
// cscriptnum
$num = $math->cmp($num1, $num2) <= 0;
} elseif ($opName == 'OP_GREATERTHANOREQUAL') {
$num = $math->cmp($num1, $num2) >= 0;
} elseif ($opName == 'OP_MIN') {
$num = $math->cmp($num1, $num2) <= 0 ? $num1 : $num2;
} else {
// is OP_MAX
$num = $math->cmp($num1, $num2) >= 0 ? $num1 : $num2;
}
$mainStack->pop();
$mainStack->pop();
$buffer = Buffer::hex($math->decHex($num));
$mainStack->push($buffer);
if ($opCodes->isOp($opCode, 'OP_NUMEQUALVERIFY')) {
if ($castToBool($mainStack->top(-1))) {
$mainStack->pop();
} else {
throw new \Exception('NUM EQUAL VERIFY error');
}
}
}
/**
* Calculate the hash of the current transaction, when you are looking to
* spend $txOut, and are signing $inputToSign. The SigHashType defaults to
* SIGHASH_ALL, though SIGHASH_SINGLE, SIGHASH_NONE, SIGHASH_ANYONECANPAY
* can be used.
*
* @param ScriptInterface $txOutScript
* @param $inputToSign
* @param int $sighashType
* @return Buffer
* @throws \Exception
*/
public function calculate(ScriptInterface $txOutScript, $inputToSign, $sighashType = SignatureHashInterface::SIGHASH_ALL)
{
$copy = $this->transaction->makeCopy();
$inputs = $copy->getInputs();
$outputs = $copy->getOutputs();
if ($inputToSign > count($inputs)) {
throw new \Exception('Input does not exist');
}
// Default SIGHASH_ALL procedure: null all input scripts
$inputCount = count($inputs);
for ($i = 0; $i < $inputCount; $i++) {
$inputs->getInput($i)->setScript(new Script());
}
$inputs->getInput($inputToSign)->setScript($txOutScript);
$math = Bitcoin::getMath();
if ($math->bitwiseAnd($sighashType, 31) == SignatureHashInterface::SIGHASH_NONE) {
// Set outputs to empty vector, and set sequence number of inputs to 0.
$copy->setOutputs(new TransactionOutputCollection());
// Let the others update at will. Set sequence of inputs we're not signing to 0.
$inputCount = count($inputs);
for ($i = 0; $i < $inputCount; $i++) {
if ($math->cmp($i, $inputToSign) !== 0) {
$inputs->getInput($i)->setSequence(0);
}
}
} elseif ($math->bitwiseAnd($sighashType, 31) == SignatureHashInterface::SIGHASH_SINGLE) {
// Resize output array to $inputToSign + 1, set remaining scripts to null,
// and set sequence's to zero.
$nOutput = $inputToSign;
if ($math->cmp($nOutput, count($outputs)) >= 0) {
return Buffer::hex('0100000000000000000000000000000000000000000000000000000000000000');
}
// Resize..
$outputs = $outputs->slice(0, $nOutput + 1)->getOutputs();
// Set to null
for ($i = 0; $i < $nOutput; $i++) {
$outputs[$i] = new TransactionOutput($math->getBinaryMath()->getTwosComplement(-1, 64), new Script());
}
$copy->setOutputs(new TransactionOutputCollection($outputs));
// Let the others update at will. Set sequence of inputs we're not signing to 0.
$inputCount = count($inputs);
for ($i = 0; $i < $inputCount; $i++) {
if ($math->cmp($i, $inputToSign) != 0) {
$inputs->getInput($i)->setSequence(0);
}
}
}
// This can happen regardless of whether it's ALL, NONE, or SINGLE
if ($math->bitwiseAnd($sighashType, SignatureHashInterface::SIGHASH_ANYONECANPAY)) {
$input = $inputs->getInput($inputToSign);
$copy->setInputs(new TransactionInputCollection([$input]));
}
// Serialize the TxCopy and append the 4 byte hashtype (little endian);
$txParser = new Parser($copy->getBuffer());
$txParser->writeInt(4, $sighashType, true);
return Hash::sha256d($txParser->getBuffer());
}
/**
* @param NodeInterface $node
* @param array $params
* @return array
*/
public function execute(NodeInterface $node, array $params)
{
if (strlen($params[self::PARAM_TXID]) !== 64) {
throw new \RuntimeException('Invalid txid field');
}
$txid = Buffer::hex($params[self::PARAM_TXID], 32);
$tx = $node->chain()->fetchTransaction($node->transactions(), $txid);
return ['tx' => $this->convertTransactionToArray($tx)];
}
public function testNetworkSerializer()
{
$net = Bitcoin::getDefaultNetwork();
$factory = new Factory($net, new Random());
$inv = $factory->inv([new Inventory(Inventory::MSG_BLOCK, Buffer::hex('4141414141414141414141414141414141414141414141414141414141414141'))]);
$serialized = $inv->getNetworkMessage()->getBuffer();
$parsed = $factory->parse(new Parser($serialized))->getPayload();
$this->assertEquals($inv, $parsed);
}
public function testNetworkSerializer()
{
$array = [new Inventory(Inventory::MSG_TX, Buffer::hex('4141414141414141414141414141414141414141414141414141414141414141')), new Inventory(Inventory::MSG_TX, Buffer::hex('4141414141414141414141414141414141414141414141414141414141414142')), new Inventory(Inventory::MSG_TX, Buffer::hex('4141414141414141414141414141414141414141414141414141414141414143'))];
$not = new NotFound($array);
$serializer = new NetworkMessageSerializer(Bitcoin::getDefaultNetwork());
$serialized = $not->getNetworkMessage()->getBuffer();
$parsed = $serializer->parse($serialized)->getPayload();
$this->assertEquals($not, $parsed);
}
/**
* @param BloomFilter $filter
* @return BufferInterface
*/
public function serialize(BloomFilter $filter)
{
$math = new Math();
$vBuf = [];
foreach ($filter->getData() as $i) {
$vBuf[] = Buffer::int($i, 1, $math);
}
return $this->getTemplate()->write([$vBuf, $filter->getNumHashFuncs(), $filter->getTweak(), (string) $filter->getFlags()]);
}
