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);
});
}
public function __construct()
{
parent::__construct(function () {
$loop = LoopFactory::create();
$context = new ZmqContext($loop);
$socket = $context->getSocket(\ZMQ::SOCKET_REP);
$socket->bind("tcp://127.0.0.1:5591");
$workers = $context->getSocket(\ZMQ::SOCKET_PUSH);
$workers->bind('tcp://127.0.0.1:5592');
$sub = $context->getSocket(\ZMQ::SOCKET_SUB);
$sub->connect('tcp://127.0.0.1:5594');
$sub->subscribe('control');
$sub->on('messages', function ($msg) use($loop) {
if ($msg[1] == 'shutdown') {
$loop->stop();
}
});
/**
* @var \React\Promise\Deferred[]
*/
$deferredSet = [];
$results = [];
$socket->on('message', function ($message) use($socket, $workers, &$results, &$deferredSet) {
// Incoming work. Distribute.
$payload = json_decode($message, true);
$batch = [];
$work = ["txid" => $payload['txid'], "tx" => $payload['tx'], "flags" => $payload['flags'], "vin" => null, "scriptPubKey" => null];
// Send to workers, and create a Promise for each result.
foreach ($payload['scripts'] as $vin => $scriptPubKey) {
$work['vin'] = $vin;
$work['scriptPubKey'] = $scriptPubKey;
$deferred = new \React\Promise\Deferred();
$deferredSet[$payload['txid'] . $vin] = $deferred;
$batch[] = $deferred->promise();
$workers->send(json_encode($work));
}
// Once all promises have resolved, return outcome to socket.
\React\Promise\all($batch)->then(function ($results) use($socket) {
$final = true;
foreach ($results as $result) {
$final &= $result['result'];
}
$socket->send($final);
});
});
$results = $context->getSocket(\ZMQ::SOCKET_PULL);
$results->bind("tcp://127.0.0.1:5593");
$results->on('message', function ($message) use(&$deferredSet) {
$payload = json_decode($message, true);
$deferredSet[$payload['txid'] . $payload['vin']]->resolve($payload);
});
$loop->run();
exit(0);
});
}
