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<?php |
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namespace BitWasp\Bitcoin\Networking\Peer; |
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use BitWasp\Bitcoin\Networking\Messages\Factory as MsgFactory; |
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use BitWasp\Bitcoin\Networking\Structure\NetworkAddressInterface; |
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use React\Dns\Resolver\Resolver; |
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use React\EventLoop\LoopInterface; |
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use React\Promise\RejectedPromise; |
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use React\Socket\ConnectionInterface; |
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use React\Socket\ConnectorInterface; |
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class Connector |
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{ |
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/** |
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* @var ConnectionParams |
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*/ |
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private $params; |
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/** |
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* @var MsgFactory |
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*/ |
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private $msgs; |
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/** |
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* @var LoopInterface |
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*/ |
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private $eventLoop; |
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/** |
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* @var \React\Socket\Connector|ConnectorInterface |
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*/ |
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private $socketConnector; |
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/** |
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* Connector constructor. |
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* @param MsgFactory $msgs |
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* @param ConnectionParams $params |
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* @param LoopInterface $loop |
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* @param Resolver $resolver |
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* @param ConnectorInterface $connector |
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*/ |
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public function __construct(MsgFactory $msgs, ConnectionParams $params, LoopInterface $loop, Resolver $resolver, ConnectorInterface $connector = null) |
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{ |
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$this->params = $params; |
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$this->msgs = $msgs; |
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$this->eventLoop = $loop; |
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if (null === $connector) { |
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$connector = new \React\Socket\Connector($loop, [ |
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'dns' => $resolver, |
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'timeout' => 3, |
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]); |
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} |
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$this->socketConnector = $connector; |
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} |
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/** |
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* @param NetworkAddressInterface $remotePeer |
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* @return \React\Promise\PromiseInterface |
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*/ |
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public function rawConnect(NetworkAddressInterface $remotePeer) |
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{ |
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return $this->socketConnector |
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->connect("tcp://{$remotePeer->getIp()->getHost()}:{$remotePeer->getPort()}") |
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->then(function (ConnectionInterface $stream) { |
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$peer = new Peer($this->msgs, $this->eventLoop); |
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$peer->setupStream($stream); |
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return $peer; |
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}); |
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} |
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/** |
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* @param NetworkAddressInterface $remotePeer |
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* @return \React\Promise\PromiseInterface |
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*/ |
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public function connect(NetworkAddressInterface $remotePeer) |
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{ |
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return $this |
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->rawConnect($remotePeer) |
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->then(function (Peer $peer) use ($remotePeer) { |
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return $peer->outboundHandshake($remotePeer, $this->params); |
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})->then(function (Peer $peer) { |
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$reqService = $this->params->getRequiredServices(); |
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if ($reqService != 0) { |
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if ($reqService != ($peer->getRemoteVersion()->getServices() & $reqService)) { |
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return new RejectedPromise(new \RuntimeException('peer does not satisfy required services')); |
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} |
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} |
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return $peer; |
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}); |
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} |
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} |
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Bit-Wasp /
bitcoin-p2p-php
