bool leveldb_common::save_transaction(leveldb_transaction_batch& batch,
uint32_t block_height, uint32_t tx_index,
const hash_digest& tx_hash, const transaction_type& block_tx)
{
if (duplicate_exists(tx_hash, block_height, tx_index))
return true;
data_chunk tx_data(8 + satoshi_raw_size(block_tx));
// Serialize tx.
auto serial = make_serializer(tx_data.begin());
serial.write_4_bytes(block_height);
serial.write_4_bytes(tx_index);
// Actual tx data.
auto end_iter = satoshi_save(block_tx, serial.iterator());
BITCOIN_ASSERT(
std::distance(tx_data.begin(), end_iter) ==
8 + satoshi_raw_size(block_tx));
// Save tx to leveldb
batch.tx.Put(slice(tx_hash), slice(tx_data));
// Add inputs to spends database.
// Coinbase inputs do not spend anything.
if (!is_coinbase(block_tx))
for (uint32_t input_index = 0; input_index < block_tx.inputs.size();
++input_index)
{
const transaction_input_type& input =
block_tx.inputs[input_index];
const input_point inpoint{tx_hash, input_index};
if (!mark_spent_outputs(batch.spend,
input.previous_output, inpoint))
return false;
if (!add_debit(batch.debit,
input, {tx_hash, input_index}, block_height))
return false;
}
// Save address -> output mappings.
for (uint32_t output_index = 0; output_index < block_tx.outputs.size();
++output_index)
{
const transaction_output_type& output =
block_tx.outputs[output_index];
if (!add_credit(batch.credit,
output, {tx_hash, output_index}, block_height))
return false;
}
return true;
}
bool bdb_common::save_transaction(txn_guard_ptr txn, uint32_t block_depth,
uint32_t tx_index, const hash_digest& tx_hash,
const message::transaction& block_tx)
{
if (dupli_save(txn, tx_hash, block_depth, tx_index))
return true;
// Actually add block
protobuf::Transaction proto_tx = transaction_to_protobuf(block_tx);
proto_tx.set_is_coinbase(is_coinbase(block_tx));
// Add parent block to transaction
protobuf::Transaction_BlockPointer* proto_parent = proto_tx.add_parent();
proto_parent->set_depth(block_depth);
proto_parent->set_index(tx_index);
// Save tx to bdb
std::ostringstream oss;
if (!proto_tx.SerializeToOstream(&oss))
return false;
readable_data_type key, value;
key.set(tx_hash);
value.set(oss.str());
// Checks for duplicates first
if (db_txs_->put(txn->get(), key.get(), value.get(), DB_NOOVERWRITE) != 0)
return false;
if (is_coinbase(block_tx))
return true;
for (uint32_t input_index = 0; input_index < block_tx.inputs.size();
++input_index)
{
const message::transaction_input& input =
block_tx.inputs[input_index];
const message::input_point inpoint{tx_hash, input_index};
if (!mark_spent_outputs(txn, input.previous_output, inpoint))
return false;
}
for (uint32_t output_index = 0; output_index < block_tx.outputs.size();
++output_index)
{
const message::transaction_output& output =
block_tx.outputs[output_index];
if (!add_address(txn, output.output_script, {tx_hash, output_index}))
return false;
}
return true;
}
bool leveldb_common::save_transaction(leveldb_transaction_batch& batch,
uint32_t block_height, uint32_t tx_index,
const hash_digest& tx_hash, const transaction_type& block_tx)
{
if (is_special_duplicate(block_height, tx_index))
return true;
data_chunk tx_data(8 + satoshi_raw_size(block_tx));
// Serialize tx.
auto serial = make_serializer(tx_data.begin());
serial.write_4_bytes(block_height);
serial.write_4_bytes(tx_index);
// Actual tx data.
auto end_iter = satoshi_save(block_tx, serial.iterator());
BITCOIN_ASSERT(
tx_data.begin() + 8 + satoshi_raw_size(block_tx) == end_iter);
// Save tx to leveldb
batch.tx.Put(slice(tx_hash), slice(tx_data));
// Add inputs to spends database.
// Coinbase inputs do not spend anything.
if (!is_coinbase(block_tx))
for (uint32_t input_index = 0; input_index < block_tx.inputs.size();
++input_index)
{
const transaction_input_type& input =
block_tx.inputs[input_index];
const input_point inpoint{tx_hash, input_index};
if (!mark_spent_outputs(batch.spend,
input.previous_output, inpoint))
return false;
if (!add_debit(batch.debit,
input, {tx_hash, input_index}, block_height))
return false;
}
// A stack of size 1. Keep the stealth_data from
// one iteration to the next.
data_chunk stealth_data_store;
auto unload_stealth_store = [&]()
{
return std::move(stealth_data_store);
};
// Save address -> output mappings.
for (uint32_t output_index = 0; output_index < block_tx.outputs.size();
++output_index)
{
const transaction_output_type& output =
block_tx.outputs[output_index];
// If a stealth output then skip processing.
if (process_stealth_output_info(output, stealth_data_store))
continue;
data_chunk stealth_data = unload_stealth_store();
// Try to extract an address.
payment_address address;
if (!extract(address, output.script))
continue;
// Process this output.
if (!stealth_data.empty())
add_stealth_info(stealth_data, address, tx_hash, *db_stealth_);
if (!add_credit(batch.credit, address, output.value,
{tx_hash, output_index}, block_height))
return false;
}
return true;
}