/**
* @param PeerState $state
* @param Peer $peer
* @param Headers $headersMsg
*/
public function onHeaders(PeerState $state, Peer $peer, Headers $headersMsg)
{
$headers = $this->node->headers();
try {
$vHeaders = $headersMsg->getHeaders();
$batch = $headers->prepareBatch($vHeaders);
$count = count($batch->getIndices());
if ($count > 0) {
$headers->applyBatch($batch);
$view = $batch->getTip();
$indices = $batch->getIndices();
$indexLast = end($indices);
$state->updateBlockAvailability($view, $indexLast->getHash());
if ($count >= 1999) {
$peer->getheaders($view->getHeadersLocator());
}
}
$this->emit('headers', [$state, $peer, $batch]);
} catch (\Exception $e) {
$this->debug->log('error.onHeaders', ['error' => $e->getMessage(), 'trace' => $e->getTraceAsString()]);
}
}
/**
* @param Peer $peer
* @return PeerState
*/
public function createState(Peer $peer)
{
$peerState = PeerState::create();
$this->storage->attach($peer, $peerState);
return $peerState;
}