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 <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 <validation.h>
15 #include <version.h>
16
17 #include <cassert>
18 #include <string>
19
initialize()20 void initialize()
21 {
22 static const ECCVerifyHandle verify_handle;
23 SelectParams(CBaseChainParams::REGTEST);
24 }
25
test_one_input(const std::vector<uint8_t> & buffer)26 void test_one_input(const std::vector<uint8_t>& buffer)
27 {
28 CDataStream ds(buffer, SER_NETWORK, INIT_PROTO_VERSION);
29 CBlock block;
30 try {
31 int nVersion;
32 ds >> nVersion;
33 ds.SetVersion(nVersion);
34 ds >> block;
35 } catch (const std::ios_base::failure&) {
36 return;
37 }
38 const Consensus::Params& consensus_params = Params().GetConsensus();
39 BlockValidationState validation_state_pow_and_merkle;
40 const bool valid_incl_pow_and_merkle = CheckBlock(block, validation_state_pow_and_merkle, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ true);
41 assert(validation_state_pow_and_merkle.IsValid() || validation_state_pow_and_merkle.IsInvalid() || validation_state_pow_and_merkle.IsError());
42 (void)validation_state_pow_and_merkle.Error("");
43 BlockValidationState validation_state_pow;
44 const bool valid_incl_pow = CheckBlock(block, validation_state_pow, consensus_params, /* fCheckPOW= */ true, /* fCheckMerkleRoot= */ false);
45 assert(validation_state_pow.IsValid() || validation_state_pow.IsInvalid() || validation_state_pow.IsError());
46 BlockValidationState validation_state_merkle;
47 const bool valid_incl_merkle = CheckBlock(block, validation_state_merkle, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ true);
48 assert(validation_state_merkle.IsValid() || validation_state_merkle.IsInvalid() || validation_state_merkle.IsError());
49 BlockValidationState validation_state_none;
50 const bool valid_incl_none = CheckBlock(block, validation_state_none, consensus_params, /* fCheckPOW= */ false, /* fCheckMerkleRoot= */ false);
51 assert(validation_state_none.IsValid() || validation_state_none.IsInvalid() || validation_state_none.IsError());
52 if (valid_incl_pow_and_merkle) {
53 assert(valid_incl_pow && valid_incl_merkle && valid_incl_none);
54 } else if (valid_incl_merkle || valid_incl_pow) {
55 assert(valid_incl_none);
56 }
57 (void)block.GetHash();
58 (void)block.ToString();
59 (void)BlockMerkleRoot(block);
60 if (!block.vtx.empty()) {
61 // TODO: Avoid array index out of bounds error in BlockWitnessMerkleRoot
62 // when block.vtx.empty().
63 (void)BlockWitnessMerkleRoot(block);
64 }
65 (void)GetBlockWeight(block);
66 (void)GetWitnessCommitmentIndex(block);
67 const size_t raw_memory_size = RecursiveDynamicUsage(block);
68 const size_t raw_memory_size_as_shared_ptr = RecursiveDynamicUsage(std::make_shared<CBlock>(block));
69 assert(raw_memory_size_as_shared_ptr > raw_memory_size);
70 CBlock block_copy = block;
71 block_copy.SetNull();
72 const bool is_null = block_copy.IsNull();
73 assert(is_null);
74 }
75