bool get_block_hashing_blob(const Block& b, BinaryArray& ba) {
  if (!toBinaryArray(static_cast<const BlockHeader&>(b), ba)) {
    return false;
  }

  Hash treeRootHash = get_tx_tree_hash(b);
  ba.insert(ba.end(), treeRootHash.data, treeRootHash.data + 32);
  auto transactionCount = asBinaryArray(Tools::get_varint_data(b.transactionHashes.size() + 1));
  ba.insert(ba.end(), transactionCount.begin(), transactionCount.end());
  return true;
}
const Crypto::Hash& CachedBlock::getBlockHash() const {
  if (!blockHash.is_initialized()) {
    BinaryArray blockBinaryArray = getBlockHashingBinaryArray();
    if (BLOCK_MAJOR_VERSION_2 <= block.majorVersion) {
      const auto& parentBlock = getParentBlockHashingBinaryArray(false);
      blockBinaryArray.insert(blockBinaryArray.end(), parentBlock.begin(), parentBlock.end());
    }

    blockHash = getObjectHash(blockBinaryArray);
  }

  return blockHash.get();
}
bool get_block_hash(const Block& b, Hash& res) {
  BinaryArray ba;
  if (!get_block_hashing_blob(b, ba)) {
    return false;
  }

  // The header of block version 1 differs from headers of blocks starting from v.2
  if (BLOCK_MAJOR_VERSION_2 == b.majorVersion || BLOCK_MAJOR_VERSION_3 == b.majorVersion) {
    BinaryArray parent_blob;
    auto serializer = makeParentBlockSerializer(b, true, false);
    if (!toBinaryArray(serializer, parent_blob))
      return false;

    ba.insert(ba.end(), parent_blob.begin(), parent_blob.end());
  }

  return getObjectHash(ba, res);
}
Beispiel #4
0
 void TransactionImpl::appendExtra(const BinaryArray& extraData) {
   checkIfSigning();
   transaction.extra.insert(
     transaction.extra.end(), extraData.begin(), extraData.end());
 }