/**
* @param HeadersBatch $batch
* @return $this
* @throws \Exception
*/
public function applyBatch(HeadersBatch $batch)
{
$indices = $batch->getIndices();
if (count($indices) === 0) {
return $this;
}
$this->db->insertHeaderBatch($batch);
$tip = $batch->getTip();
foreach ($batch->getIndices() as $index) {
$tip->updateTip($index);
}
$this->emit('tip', [$batch]);
return $this;
}
/**
* @param HeadersBatch $batch
*/
public function logTip(HeadersBatch $batch)
{
$index = $batch->getTip()->getIndex();
$this->log('tip', ['count' => count($batch->getIndices()), 'tip' => ['hash' => $index->getHash()->getHex(), 'height' => $index->getHeight()]]);
}
/**
* @param PeerState $state
* @param Peer $peer
* @param HeadersBatch $batch
*/
public function onHeaders(PeerState $state, Peer $peer, HeadersBatch $batch)
{
if (count($batch->getIndices()) < 2000) {
$this->blockDownload->start($batch->getTip(), $peer);
}
}
/**
* @param HeadersBatch $batch
* @return bool
* @throws \Exception
*/
public function insertHeaderBatch(HeadersBatch $batch)
{
$index = $batch->getIndices();
$segment = $batch->getTip()->getSegment()->getId();
$this->transaction(function () use($index, $segment) {
$headerValues = [];
$headerQuery = [];
foreach ($index as $c => $i) {
$headerQuery[] = "(:hash{$c} , :segment{$c} , :height{$c} , :work{$c} ,\n :version{$c} , :prevBlock{$c} , :merkleRoot{$c} ,\n :nBits{$c} , :nTimestamp{$c} , :nNonce{$c} )";
$headerValues['hash' . $c] = $i->getHash()->getBinary();
$headerValues['height' . $c] = $i->getHeight();
$headerValues['segment' . $c] = $segment;
$headerValues['work' . $c] = $i->getWork();
$header = $i->getHeader();
$headerValues['version' . $c] = $header->getVersion();
$headerValues['prevBlock' . $c] = $header->getPrevBlock()->getBinary();
$headerValues['merkleRoot' . $c] = $header->getMerkleRoot()->getBinary();
$headerValues['nBits' . $c] = $header->getBits();
$headerValues['nTimestamp' . $c] = $header->getTimestamp();
$headerValues['nNonce' . $c] = $header->getNonce();
}
$insertHeaders = $this->dbh->prepare('
INSERT INTO headerIndex (hash, segment, height, work, version, prevBlock, merkleRoot, nBits, nTimestamp, nNonce)
VALUES ' . implode(', ', $headerQuery));
$insertHeaders->execute($headerValues);
$lastId = (int) $this->dbh->lastInsertId();
$count = count($index);
for ($i = 0; $i < $count; $i++) {
$rowId = $i + $lastId;
$indexValues['header_id' . $i] = $rowId;
}
return true;
});
echo "done\n";
}
