/**
* @param Headers $msg
* @return \BitWasp\Buffertools\Buffer
*/
public function serialize(Headers $msg)
{
$headers = [];
$null = new Buffer("");
foreach ($msg->getHeaders() as $header) {
$temp = new Parser($header->getBuffer());
$temp->writeBytes(1, $null);
$headers[] = $temp->getBuffer();
}
return $this->getTemplate()->write([$headers]);
}
/**
* @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()]);
}
}
/**
* @expectedException \InvalidArgumentException
*/
public function testGetHeaderFailure()
{
$headers = new Headers([]);
$headers->getHeader(10);
}
/**
* @param Peer $peer
* @param Headers $headers
*/
public function onHeaders(Peer $peer, Headers $headers)
{
$state = $this->chain();
$vHeaders = $headers->getHeaders();
$count = count($vHeaders);
if ($count === 0) {
return;
}
$this->headers->acceptBatch($state, $vHeaders);
$this->chains->checkTips();
$last = end($vHeaders);
$this->peerState->fetch($peer)->updateBlockAvailability($state, $last->getHash());
if (2000 === $count) {
$peer->getheaders($state->getHeadersLocator());
}
if ($count < 2000) {
echo 'start download' . PHP_EOL;
$this->blockDownload->start($state, $peer);
}
}
