block.cpp raw

   1  // Copyright (c) 2019-2021 The Limenka 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 <chainparams.h>
   6  #include <consensus/merkle.h>
   7  #include <consensus/validation.h>
   8  #include <core_io.h>
   9  #include <core_memusage.h>
  10  #include <primitives/block.h>
  11  #include <pubkey.h>
  12  #include <streams.h>
  13  #include <test/fuzz/fuzz.h>
  14  #include <util/chaintype.h>
  15  #include <validation.h>
  16  
  17  #include <cassert>
  18  #include <string>
  19  
  20  void initialize_block()
  21  {
  22      SelectParams(ChainType::REGTEST);
  23  }
  24  
  25  FUZZ_TARGET(block, .init = initialize_block)
  26  {
  27      DataStream ds{buffer};
  28      CBlock block;
  29      try {
  30          ds >> TX_WITH_WITNESS(block);
  31      } catch (const std::ios_base::failure&) {
  32          return;
  33      }
  34      const Consensus::Params& consensus_params = Params().GetConsensus();
  35      BlockValidationState validation_state_pow_and_merkle;
  36      const bool valid_incl_pow_and_merkle = CheckBlock(block, validation_state_pow_and_merkle, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ true);
  37      assert(validation_state_pow_and_merkle.IsValid() || validation_state_pow_and_merkle.IsInvalid() || validation_state_pow_and_merkle.IsError());
  38      (void)validation_state_pow_and_merkle.Error("");
  39      BlockValidationState validation_state_pow;
  40      const bool valid_incl_pow = CheckBlock(block, validation_state_pow, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ false);
  41      assert(validation_state_pow.IsValid() || validation_state_pow.IsInvalid() || validation_state_pow.IsError());
  42      BlockValidationState validation_state_merkle;
  43      const bool valid_incl_merkle = CheckBlock(block, validation_state_merkle, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ true);
  44      assert(validation_state_merkle.IsValid() || validation_state_merkle.IsInvalid() || validation_state_merkle.IsError());
  45      BlockValidationState validation_state_none;
  46      const bool valid_incl_none = CheckBlock(block, validation_state_none, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ false);
  47      assert(validation_state_none.IsValid() || validation_state_none.IsInvalid() || validation_state_none.IsError());
  48      if (valid_incl_pow_and_merkle) {
  49          assert(valid_incl_pow && valid_incl_merkle && valid_incl_none);
  50      } else if (valid_incl_merkle || valid_incl_pow) {
  51          assert(valid_incl_none);
  52      }
  53      (void)block.GetHash();
  54      (void)block.ToString();
  55      (void)BlockMerkleRoot(block);
  56      if (!block.vtx.empty()) {
  57          (void)BlockWitnessMerkleRoot(block);
  58      }
  59      (void)GetBlockWeight(block);
  60      (void)GetWitnessCommitmentIndex(block);
  61      const size_t raw_memory_size = RecursiveDynamicUsage(block);
  62      const size_t raw_memory_size_as_shared_ptr = RecursiveDynamicUsage(std::make_shared<CBlock>(block));
  63      assert(raw_memory_size_as_shared_ptr > raw_memory_size);
  64      CBlock block_copy = block;
  65      block_copy.SetNull();
  66      const bool is_null = block_copy.IsNull();
  67      assert(is_null);
  68  }
  69