Line data    Source code

       1             : // Copyright (c) 2019-2020 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <core_io.h>
       6             : #include <primitives/transaction.h>
       7             : #include <test/fuzz/fuzz.h>
       8             : #include <util/strencodings.h>
       9             : 
      10             : #include <cassert>
      11             : #include <cstdint>
      12             : #include <string>
      13             : #include <vector>
      14             : 
      15           4 : FUZZ_TARGET(decode_tx)
      16             : {
      17           0 :     const std::string tx_hex = HexStr(buffer);
      18           0 :     CMutableTransaction mtx;
      19           0 :     const bool result_none = DecodeHexTx(mtx, tx_hex, false, false);
      20           0 :     const bool result_try_witness = DecodeHexTx(mtx, tx_hex, false, true);
      21           0 :     const bool result_try_witness_and_maybe_no_witness = DecodeHexTx(mtx, tx_hex, true, true);
      22           0 :     CMutableTransaction no_witness_mtx;
      23           0 :     const bool result_try_no_witness = DecodeHexTx(no_witness_mtx, tx_hex, true, false);
      24           0 :     assert(!result_none);
      25           2 :     if (result_try_witness_and_maybe_no_witness) {
      26           0 :         assert(result_try_no_witness || result_try_witness);
      27           0 :     }
      28           0 :     if (result_try_no_witness) {
      29           0 :         assert(!no_witness_mtx.HasWitness());
      30           0 :         assert(result_try_witness_and_maybe_no_witness);
      31           0 :     }
      32           0 : }