void transaction_database::store(size_t height, size_t index,
const chain::transaction& tx)
{
// Write block data.
const hash_digest key = tx.hash();
const size_t value_size = 4 + 4 + tx.serialized_size();
auto write = [&height, &index, &tx](uint8_t* data)
{
auto serial = make_serializer(data);
serial.write_4_bytes_little_endian(height);
serial.write_4_bytes_little_endian(index);
data_chunk tx_data = tx.to_data();
serial.write_data(tx_data);
};
map_.store(key, write, value_size);
}
validate_transaction::validate_transaction(block_chain& chain,
const chain::transaction& tx, const transaction_pool& pool,
dispatcher& dispatch)
: blockchain_(chain),
tx_(tx),
pool_(pool),
dispatch_(dispatch),
tx_hash_(tx.hash())
{
}
void transaction_fetched(const code& ec, const chain::transaction& tx,
const message& request, send_handler handler)
{
const auto result = build_chunk(
{
message::to_bytes(ec),
tx.to_data()
});
handler(message(request, result));
}