/**
* @param ChainViewInterface $headerChain
* @param Peer $peer
*/
public function requestNextBlocks(ChainViewInterface $headerChain, Peer $peer)
{
if (null === $this->lastRequested) {
$nextData = $this->nextInventory($headerChain);
} else {
$nextData = $this->relativeNextInventory($headerChain, $this->lastRequested);
}
if (count($nextData) > 0) {
$last = null;
foreach ($nextData as $inv) {
$last = $inv->getHash();
$this->inFlight[$last->getBinary()] = 1;
}
$this->lastRequested = $last;
$peer->getdata($nextData);
}
}
/**
* @param ChainState $state
* @param Peer $peer
* @throws \RuntimeException
* @throws \Exception
*/
public function requestNextBlocks(ChainState $state, Peer $peer)
{
/** @var Inventory[] $nextData */
if (null === $this->lastRequested) {
$nextData = $this->nextInventory($state);
} else {
$nextData = $this->relativeNextInventory($state, $this->lastRequested);
}
if (count($nextData) > 0) {
$last = null;
foreach ($nextData as $inv) {
$last = $inv->getHash();
$this->inFlight[$last->getHex()] = 1;
}
$this->lastRequested = $last;
$peer->getdata($nextData);
}
}
/**
* @param Peer $peer
* @param Inv $inv
*/
public function onInv(Peer $peer, Inv $inv)
{
$count = count($inv->getItems());
$request = [];
for ($i = 0; $i < $count; $i++) {
$item = $inv->getItem($i);
$hash = $item->getHash()->getBinary();
array_push($this->inventory, $hash);
$request[] = $item;
}
if (count($request)) {
echo "GET " . count($request) . " txs \n";
$peer->getdata($request);
}
}
/**
* @param Peer $peer
*/
public function setupPeer(Peer $peer)
{
echo "New peer: " . $peer->getRemoteAddr()->getIp() . "\n";
$peer->on('inv', function (Peer $peer, Inv $inv) {
//echo "INV: " . $peer->getRemoteAddr()->getIp() . "\n";
$get = [];
foreach ($inv->getItems() as $item) {
if ($item->isTx()) {
$hash = $item->getHash();
if (!$this->Requested($hash->getBinary())) {
$this->requestedTx[$hash->getBinary()] = 1;
//echo "Request " . $hash->getHex() . "\n";
$get[] = $item;
}
}
}
if (!empty($get)) {
$peer->getdata($get);
}
});
$peer->on('tx', function (Peer $peer, Tx $tx) {
$transaction = $tx->getTransaction();
$this->handleTransaction($peer, $transaction);
});
$peer->on('getdata', function (Peer $peer, GetData $requested) {
$items = $requested->getItems();
//echo "peer requested " . count($items) . " items\n";
foreach ($items as $item) {
if ($item->isTx()) {
$hash = $item->getHash()->getBinary();
if ($this->Have($hash)) {
/** @var TransactionInterface $tx */
$tx = $this->haveTx[$hash];
$peer->tx($tx);
}
}
}
});
$this->peers[$peer->getRemoteAddr()->getIp()] = $peer;
}
