bool bdb_common::save_block(txn_guard_ptr txn,
uint32_t depth, const message::block& serial_block)
{
protobuf::Block proto_block =
block_header_to_protobuf(depth, serial_block);
for (uint32_t tx_index = 0;
tx_index < serial_block.transactions.size(); ++tx_index)
{
const message::transaction& block_tx =
serial_block.transactions[tx_index];
const hash_digest& tx_hash = hash_transaction(block_tx);
if (!save_transaction(txn, depth, tx_index, tx_hash, block_tx))
{
log_fatal() << "Could not save transaction";
return false;
}
proto_block.add_transactions(
std::string(tx_hash.begin(), tx_hash.end()));
}
std::ostringstream oss;
if (!proto_block.SerializeToOstream(&oss))
{
log_fatal() << "Protobuf serialization failed";
return false;
}
readable_data_type key, value;
key.set(depth);
value.set(oss.str());
if (db_blocks_->put(txn->get(), key.get(), value.get(), 0) != 0)
{
log_fatal() << "bdb put() failed";
return false;
}
return true;
}
static gboolean
commit_transaction( GncSqlBackend* be, QofInstance* inst )
{
g_return_val_if_fail( be != NULL, FALSE );
g_return_val_if_fail( inst != NULL, FALSE );
g_return_val_if_fail( GNC_IS_TRANS(inst), FALSE );
return save_transaction( be, GNC_TRANS(inst), /* do_save_splits */FALSE );
}
bool leveldb_common::save_block(
uint32_t height, const block_type& serial_block)
{
leveldb_transaction_batch batch;
// Write block header + tx hashes
data_chunk raw_block_data(
80 + 4 + serial_block.transactions.size() * hash_digest_size);
// Downcast to base header type so serializer selects that.
auto header_end = satoshi_save(
serial_block.header, raw_block_data.begin());
BITCOIN_ASSERT(std::distance(raw_block_data.begin(), header_end) == 80);
auto serial_hashes = make_serializer(header_end);
// Write the number of transactions...
serial_hashes.write_4_bytes(serial_block.transactions.size());
// ... And now the tx themselves.
for (uint32_t tx_index = 0;
tx_index < serial_block.transactions.size(); ++tx_index)
{
const transaction_type& block_tx =
serial_block.transactions[tx_index];
const hash_digest& tx_hash = hash_transaction(block_tx);
if (!save_transaction(batch, height, tx_index, tx_hash, block_tx))
{
log_fatal(LOG_BLOCKCHAIN) << "Could not save transaction";
return false;
}
serial_hashes.write_hash(tx_hash);
}
BITCOIN_ASSERT(serial_hashes.iterator() ==
raw_block_data.begin() + 80 + 4 +
serial_block.transactions.size() * hash_digest_size);
data_chunk raw_height = uncast_type(height);
hash_digest block_hash = hash_block_header(serial_block.header);
// Write block header
batch.block.Put(slice(raw_height), slice(raw_block_data));
batch.block_hash.Put(slice_block_hash(block_hash), slice(raw_height));
// Execute batches.
db_.write(batch);
// Sync stealth database.
db_stealth_->sync(height);
return true;
}
