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block.cpp
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block.cpp
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// Copyright (c) 2019-2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <chainparams.h>
#include <consensus/merkle.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <core_memusage.h>
#include <primitives/block.h>
#include <pubkey.h>
#include <streams.h>
#include <test/fuzz/fuzz.h>
#include <util/chaintype.h>
#include <validation.h>
#include <version.h>
#include <cassert>
#include <string>
void initialize_block()
{
SelectParams(ChainType::REGTEST);
}
FUZZ_TARGET(block, .init = initialize_block)
{
CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
CBlock block;
try {
int nVersion;
ds >> nVersion;
ds.SetVersion(nVersion);
ds >> block;
} catch (const std::ios_base::failure&) {
return;
}
const Consensus::Params& consensus_params = Params().GetConsensus();
BlockValidationState validation_state_pow_and_merkle;
const bool valid_incl_pow_and_merkle = CheckBlock(block, validation_state_pow_and_merkle, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ true);
assert(validation_state_pow_and_merkle.IsValid() || validation_state_pow_and_merkle.IsInvalid() || validation_state_pow_and_merkle.IsError());
(void)validation_state_pow_and_merkle.Error("");
BlockValidationState validation_state_pow;
const bool valid_incl_pow = CheckBlock(block, validation_state_pow, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ false);
assert(validation_state_pow.IsValid() || validation_state_pow.IsInvalid() || validation_state_pow.IsError());
BlockValidationState validation_state_merkle;
const bool valid_incl_merkle = CheckBlock(block, validation_state_merkle, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ true);
assert(validation_state_merkle.IsValid() || validation_state_merkle.IsInvalid() || validation_state_merkle.IsError());
BlockValidationState validation_state_none;
const bool valid_incl_none = CheckBlock(block, validation_state_none, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ false);
assert(validation_state_none.IsValid() || validation_state_none.IsInvalid() || validation_state_none.IsError());
if (valid_incl_pow_and_merkle) {
assert(valid_incl_pow && valid_incl_merkle && valid_incl_none);
} else if (valid_incl_merkle || valid_incl_pow) {
assert(valid_incl_none);
}
(void)block.GetHash();
(void)block.ToString();
(void)BlockMerkleRoot(block);
if (!block.vtx.empty()) {
(void)BlockWitnessMerkleRoot(block);
}
(void)GetBlockWeight(block);
(void)GetWitnessCommitmentIndex(block);
const size_t raw_memory_size = RecursiveDynamicUsage(block);
const size_t raw_memory_size_as_shared_ptr = RecursiveDynamicUsage(std::make_shared<CBlock>(block));
assert(raw_memory_size_as_shared_ptr > raw_memory_size);
CBlock block_copy = block;
block_copy.SetNull();
const bool is_null = block_copy.IsNull();
assert(is_null);
}