message: fuzz: Assert expected DecodeHexTx behaviour when using legacy decoding
diff: @@ -19,12 +19,14 @@ void test_one_input(const std::vector<uint8_t>& buffer)
  const bool result_none = DecodeHexTx(mtx, tx_hex, false, false);
  const bool result_try_witness = DecodeHexTx(mtx, tx_hex, false, true);
  const bool result_try_witness_and_maybe_no_witness = DecodeHexTx(mtx, tx_hex, true, true);
  - const bool result_try_no_witness = DecodeHexTx(mtx, tx_hex, true, false);
  + CMutableTransaction no_witness_mtx;
  + const bool result_try_no_witness = DecodeHexTx(no_witness_mtx, tx_hex, true, false);
  assert(!result_none);
  if (result_try_witness_and_maybe_no_witness) {
  assert(result_try_no_witness || result_try_witness);
  }
  if (result_try_no_witness) {
  + assert(!no_witness_mtx.HasWitness());
  assert(result_try_witness_and_maybe_no_witness);
  }
  }
  