bool fetch_block_header_impl(txn_guard_ptr txn, const Index& index,
bdb_common_ptr common, message::block& serial_block)
{
protobuf::Block proto_block = common->fetch_proto_block(txn, index);
if (!proto_block.IsInitialized())
return false;
serial_block = protobuf_to_block_header(proto_block);
return true;
}
int get_block_hash(Db*, const Dbt*, const Dbt* data, Dbt* second_key)
{
std::stringstream ss(std::string(
reinterpret_cast<const char*>(data->get_data()), data->get_size()));
protobuf::Block proto_block;
proto_block.ParseFromIstream(&ss);
message::block serial_block = protobuf_to_block_header(proto_block);
second_hash = hash_block_header(serial_block);
second_key->set_data(second_hash.data());
second_key->set_size(second_hash.size());
return 0;
}
bool bdb_common::reconstruct_block(txn_guard_ptr txn,
const protobuf::Block& proto_block_header,
message::block& result_block)
{
result_block = protobuf_to_block_header(proto_block_header);
for (const std::string& raw_tx_hash: proto_block_header.transactions())
{
protobuf::Transaction proto_tx;
if (!proto_read(db_txs_, txn, raw_tx_hash, proto_tx))
return false;
result_block.transactions.push_back(protobuf_to_transaction(proto_tx));
}
return true;
}
bool reconstruct_block(leveldb_common_ptr common,
const protobuf::Block& proto_block_header,
block_type& result_block)
{
result_block = protobuf_to_block_header(proto_block_header);
for (const std::string& raw_tx_hash: proto_block_header.transactions())
{
// Convert protobuf hash string into internal hash format.
hash_digest tx_hash;
BITCOIN_ASSERT(raw_tx_hash.size() == tx_hash.max_size());
std::copy(raw_tx_hash.begin(), raw_tx_hash.end(), tx_hash.begin());
// Fetch the actual transaction.
protobuf::Transaction proto_tx =
common->fetch_proto_transaction(tx_hash);
if (!proto_tx.IsInitialized())
return false;
result_block.transactions.push_back(protobuf_to_transaction(proto_tx));
}
return true;
}
