/**
* @param BufferInterface $blockHash
* @param BlockInterface $block
* @param BlockSerializerInterface $blockSerializer
* @return int
*/
public function insertBlock(BufferInterface $blockHash, BlockInterface $block, BlockSerializerInterface $blockSerializer)
{
// Insert the block header ID
$this->insertBlockStmt->execute(['hash' => $blockHash->getBinary(), 'block' => $blockSerializer->serialize($block)->getBinary()]);
return $this->dbh->lastInsertId();
}
/**
* @param BlockInterface $block
* @param TransactionSerializerInterface $txSerializer
* @param BlockSerializerInterface $blockSerializer
* @param bool $checkSize
* @param bool $checkMerkleRoot
* @return $this
* @throws MerkleTreeEmpty
*/
public function check(BlockInterface $block, TransactionSerializerInterface $txSerializer, BlockSerializerInterface $blockSerializer, $checkSize = true, $checkMerkleRoot = true)
{
$params = $this->consensus->getParams();
if ($checkMerkleRoot && $this->calcMerkleRoot($block, $txSerializer)->equals($block->getHeader()->getMerkleRoot()) === false) {
throw new \RuntimeException('BlockCheck: failed to verify merkle root');
}
$txCount = count($block->getTransactions());
if ($checkSize && (0 === $txCount || $blockSerializer->serialize($block)->getSize() > $params->maxBlockSizeBytes())) {
throw new \RuntimeException('BlockCheck: Zero transactions, or block exceeds max size');
}
// The first transaction is coinbase, and only the first transaction is coinbase.
if (!$block->getTransaction(0)->isCoinbase()) {
throw new \RuntimeException('BlockCheck: First transaction was not coinbase');
}
for ($i = 1; $i < $txCount; $i++) {
if ($block->getTransaction($i)->isCoinbase()) {
throw new \RuntimeException('BlockCheck: more than one coinbase');
}
}
$nSigOps = 0;
foreach ($block->getTransactions() as $transaction) {
$this->checkTransaction($transaction, $txSerializer, $checkSize);
$nSigOps += $this->getLegacySigOps($transaction);
}
if ($nSigOps > $params->getMaxBlockSigOps()) {
throw new \RuntimeException('BlockCheck: sigops exceeds maximum allowed');
}
return $this;
}