示例#1
0
bool transaction::read_from_disk(
    db_tx & tx_db, const point_out & previous_out, transaction_index & tx_index
    )
{
    set_null();

    if (
        tx_db.read_transaction_index(
        previous_out.get_hash(), tx_index) == false
        )
    {
        log_debug(
            "Transaction failed to read from disk, read transaction index "
            "failed, previous out = " <<
            previous_out.get_hash().to_string().substr(0, 20) << "."
        );
        
        return false;
    }
    
    if (read_from_disk(tx_index.get_transaction_position()) == false)
    {
        log_debug(
            "Transaction failed to read from disk, read from disk failed."
        );
        
        return false;
    }
    
    if (previous_out.n() >= m_transactions_out.size())
    {
        log_debug(
            "Transaction failed to read from disk, n is greater than outputs."
        );
        
        set_null();
        
        return false;
    }
    
    return true;
}
示例#2
0
bool db_tx::read_disk_transaction(const point_out & outpoint, transaction & tx)
{
    transaction_index index;
    
    return read_disk_transaction(outpoint.get_hash(), tx, index);
}