Exemple #1
0
 /**
  * @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();
 }
Exemple #2
0
 /**
  * @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;
 }