script_ops.cpp raw

   1  // Copyright (c) 2020-present 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 <script/script.h>
   6  #include <test/fuzz/FuzzedDataProvider.h>
   7  #include <test/fuzz/fuzz.h>
   8  #include <test/fuzz/util.h>
   9  
  10  #include <cstdint>
  11  #include <string>
  12  #include <vector>
  13  
  14  FUZZ_TARGET(script_ops)
  15  {
  16      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
  17      CScript script_mut = ConsumeScript(fuzzed_data_provider);
  18      LIMITED_WHILE(fuzzed_data_provider.remaining_bytes() > 0, 1000000) {
  19          CallOneOf(
  20              fuzzed_data_provider,
  21              [&] {
  22                  CScript s = ConsumeScript(fuzzed_data_provider);
  23                  script_mut = std::move(s);
  24              },
  25              [&] {
  26                  const CScript& s = ConsumeScript(fuzzed_data_provider);
  27                  script_mut = s;
  28              },
  29              [&] {
  30                  script_mut << fuzzed_data_provider.ConsumeIntegral<int64_t>();
  31              },
  32              [&] {
  33                  script_mut << ConsumeOpcodeType(fuzzed_data_provider);
  34              },
  35              [&] {
  36                  script_mut << ConsumeScriptNum(fuzzed_data_provider);
  37              },
  38              [&] {
  39                  script_mut << ConsumeRandomLengthByteVector(fuzzed_data_provider);
  40              },
  41              [&] {
  42                  script_mut.clear();
  43              });
  44      }
  45      const CScript& script = script_mut;
  46      (void)script.GetSigOpCount(false);
  47      (void)script.GetSigOpCount(true);
  48      (void)script.GetSigOpCount(script);
  49      (void)script.HasValidOps();
  50      (void)script.IsPayToScriptHash();
  51      (void)script.IsPayToAnchor();
  52      (void)script.IsPayToWitnessScriptHash();
  53      (void)script.IsPushOnly();
  54      (void)script.IsUnspendable();
  55      {
  56          CScript::const_iterator pc = script.begin();
  57          opcodetype opcode;
  58          (void)script.GetOp(pc, opcode);
  59          std::vector<uint8_t> data;
  60          (void)script.GetOp(pc, opcode, data);
  61          (void)script.IsPushOnly(pc);
  62      }
  63      {
  64          int version;
  65          std::vector<uint8_t> program;
  66          (void)script.IsWitnessProgram(version, program);
  67      }
  68  }
  69