LCOV - code coverage report
Current view: top level - src/test/kernel - test_kernel.cpp (source / functions) Coverage Total Hit
Test: test_bitcoin_coverage.info Lines: 95.1 % 858 816
Test Date: 2026-08-07 06:33:33 Functions: 95.2 % 83 79
Branches: 50.3 % 3824 1924

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2024-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 <kernel/bitcoinkernel.h>
       6                 :             : #include <kernel/bitcoinkernel_wrapper.h>
       7                 :             : #include <util/byte_units.h>
       8                 :             : #include <util/fs.h>
       9                 :             : 
      10                 :             : #define BOOST_TEST_MODULE Bitcoin Kernel Test Suite
      11                 :             : #include <boost/test/included/unit_test.hpp>
      12                 :             : 
      13                 :             : #include <test/kernel/block_data.h>
      14                 :             : #include <test/util/common.h>
      15                 :             : 
      16                 :             : #include <charconv>
      17                 :             : #include <cstdint>
      18                 :             : #include <cstdlib>
      19                 :             : #include <iostream>
      20                 :             : #include <memory>
      21                 :             : #include <optional>
      22                 :             : #include <random>
      23                 :             : #include <ranges>
      24                 :             : #include <span>
      25                 :             : #include <string>
      26                 :             : #include <string_view>
      27                 :             : #include <vector>
      28                 :             : 
      29                 :             : using namespace btck;
      30                 :             : 
      31                 :           5 : std::string random_string(uint32_t length)
      32                 :             : {
      33                 :           5 :     const std::string chars = "0123456789"
      34                 :             :                               "abcdefghijklmnopqrstuvwxyz"
      35                 :           5 :                               "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
      36                 :             : 
      37   [ +  +  +  -  :           6 :     static std::random_device rd;
                   +  - ]
      38   [ +  +  +  -  :           5 :     static std::default_random_engine dre{rd()};
                   +  - ]
      39   [ +  +  +  -  :           5 :     static std::uniform_int_distribution<> distribution(0, chars.size() - 1);
                   -  + ]
      40                 :             : 
      41         [ +  - ]:           5 :     std::string random;
      42         [ +  - ]:           5 :     random.reserve(length);
      43         [ +  + ]:          85 :     for (uint32_t i = 0; i < length; i++) {
      44         [ +  - ]:         160 :         random += chars[distribution(dre)];
      45                 :             :     }
      46                 :           5 :     return random;
      47                 :           5 : }
      48                 :             : 
      49                 :         673 : std::vector<std::byte> hex_string_to_byte_vec(std::string_view hex)
      50                 :             : {
      51                 :         673 :     std::vector<std::byte> bytes;
      52         [ +  - ]:         673 :     bytes.reserve(hex.length() / 2);
      53                 :             : 
      54                 :      203614 :     for (size_t i{0}; i < hex.length(); i += 2) {
      55                 :      202941 :         uint8_t byte_value;
      56                 :      202941 :         auto [ptr, ec] = std::from_chars(hex.data() + i, hex.data() + i + 2, byte_value, 16);
      57                 :             : 
      58   [ +  -  -  + ]:      202941 :         if (ec != std::errc{} || ptr != hex.data() + i + 2) {
      59         [ #  # ]:           0 :             throw std::invalid_argument("Invalid hex character");
      60                 :             :         }
      61   [ +  -  +  + ]:      406555 :         bytes.push_back(static_cast<std::byte>(byte_value));
      62                 :             :     }
      63                 :         673 :     return bytes;
      64                 :           0 : }
      65                 :             : 
      66                 :           5 : std::string byte_span_to_hex_string_reversed(std::span<const std::byte> bytes)
      67                 :             : {
      68                 :           5 :     std::ostringstream oss;
      69                 :             : 
      70                 :             :     // Iterate in reverse order
      71         [ +  + ]:         165 :     for (auto it = bytes.rbegin(); it != bytes.rend(); ++it) {
      72         [ +  - ]:         160 :         oss << std::hex << std::setw(2) << std::setfill('0')
      73         [ +  - ]:         160 :             << static_cast<unsigned int>(static_cast<uint8_t>(*it));
      74                 :             :     }
      75                 :             : 
      76         [ +  - ]:          10 :     return oss.str();
      77                 :           5 : }
      78                 :             : 
      79                 :             : constexpr auto VERIFY_ALL_PRE_SEGWIT{ScriptVerificationFlags::P2SH | ScriptVerificationFlags::DERSIG |
      80                 :             :                                      ScriptVerificationFlags::NULLDUMMY | ScriptVerificationFlags::CHECKLOCKTIMEVERIFY |
      81                 :             :                                      ScriptVerificationFlags::CHECKSEQUENCEVERIFY};
      82                 :             : constexpr auto VERIFY_ALL_PRE_TAPROOT{VERIFY_ALL_PRE_SEGWIT | ScriptVerificationFlags::WITNESS};
      83                 :             : 
      84                 :          50 : void check_equal(std::span<const std::byte> _actual, std::span<const std::byte> _expected, bool equal = true)
      85                 :             : {
      86                 :          50 :     std::span<const uint8_t> actual{reinterpret_cast<const unsigned char*>(_actual.data()), _actual.size()};
      87                 :          50 :     std::span<const uint8_t> expected{reinterpret_cast<const unsigned char*>(_expected.data()), _expected.size()};
      88   [ +  -  +  - ]:         100 :     BOOST_CHECK_EQUAL_COLLECTIONS(
      89                 :             :         actual.begin(), actual.end(),
      90                 :             :         expected.begin(), expected.end());
      91                 :          50 : }
      92                 :             : 
      93                 :             : class TestLog
      94                 :             : {
      95                 :             : public:
      96                 :         125 :     void LogMessage(std::string_view message)
      97                 :             :     {
      98                 :         125 :         std::cout << "kernel: " << message;
      99                 :         125 :     }
     100                 :             : };
     101                 :             : 
     102                 :             : struct TestDirectory {
     103                 :             :     fs::path m_directory;
     104                 :           5 :     TestDirectory(std::string directory_name)
     105   [ +  -  +  -  :          35 :         : m_directory{fs::path{fs::temp_directory_path()} / fs::u8path(directory_name + "_🌽_" + random_string(16))}
          +  -  +  -  +  
                      - ]
     106                 :             :     {
     107         [ +  - ]:           5 :         fs::create_directories(m_directory);
     108                 :           5 :     }
     109                 :             : 
     110                 :           5 :     ~TestDirectory()
     111                 :             :     {
     112                 :           5 :         fs::remove_all(m_directory);
     113                 :           5 :     }
     114                 :             : };
     115                 :             : 
     116                 :           8 : class TestKernelNotifications : public KernelNotifications
     117                 :             : {
     118                 :             : public:
     119                 :         420 :     void HeaderTipHandler(SynchronizationState state, int64_t height, int64_t timestamp, bool presync) override
     120                 :             :     {
     121         [ +  - ]:         420 :         BOOST_CHECK_GT(timestamp, 0);
     122                 :         420 :     }
     123                 :             : 
     124                 :           0 :     void FlushErrorHandler(std::string_view error) override
     125                 :             :     {
     126                 :           0 :         std::cout << error << std::endl;
     127                 :           0 :     }
     128                 :             : 
     129                 :           0 :     void FatalErrorHandler(std::string_view error) override
     130                 :             :     {
     131                 :           0 :         std::cout << error << std::endl;
     132                 :           0 :     }
     133                 :             : };
     134                 :             : 
     135                 :           1 : class TestValidationInterface : public ValidationInterface
     136                 :             : {
     137                 :             : public:
     138                 :             :     std::optional<std::vector<std::byte>> m_expected_valid_block = std::nullopt;
     139                 :             : 
     140                 :           3 :     void BlockChecked(Block block, BlockValidationStateView state) override
     141                 :             :     {
     142         [ +  + ]:           3 :         if (m_expected_valid_block.has_value()) {
     143                 :           1 :             auto ser_block{block.ToBytes()};
     144   [ -  +  +  -  :           1 :             check_equal(m_expected_valid_block.value(), ser_block);
             -  +  +  - ]
     145                 :           1 :         }
     146                 :             : 
     147                 :           3 :         auto mode{state.GetValidationMode()};
     148   [ +  +  -  - ]:           3 :         switch (mode) {
     149                 :           2 :         case ValidationMode::VALID: {
     150                 :           2 :             std::cout << "Valid block" << std::endl;
     151                 :           2 :             return;
     152                 :             :         }
     153                 :           1 :         case ValidationMode::INVALID: {
     154                 :           1 :             std::cout << "Invalid block: ";
     155                 :           1 :             auto result{state.GetBlockValidationResult()};
     156   [ -  -  -  -  :           1 :             switch (result) {
          +  -  -  -  -  
                      - ]
     157                 :           0 :             case BlockValidationResult::UNSET:
     158                 :           0 :                 std::cout << "initial value. Block has not yet been rejected" << std::endl;
     159                 :           0 :                 break;
     160                 :           0 :             case BlockValidationResult::HEADER_LOW_WORK:
     161                 :           0 :                 std::cout << "the block header may be on a too-little-work chain" << std::endl;
     162                 :           0 :                 break;
     163                 :           0 :             case BlockValidationResult::CONSENSUS:
     164                 :           0 :                 std::cout << "invalid by consensus rules (excluding any below reasons)" << std::endl;
     165                 :           0 :                 break;
     166                 :           0 :             case BlockValidationResult::CACHED_INVALID:
     167                 :           0 :                 std::cout << "this block was cached as being invalid and we didn't store the reason why" << std::endl;
     168                 :           0 :                 break;
     169                 :           1 :             case BlockValidationResult::INVALID_HEADER:
     170                 :           1 :                 std::cout << "invalid proof of work or time too old" << std::endl;
     171                 :           1 :                 break;
     172                 :           0 :             case BlockValidationResult::MUTATED:
     173                 :           0 :                 std::cout << "the block's data didn't match the data committed to by the PoW" << std::endl;
     174                 :           0 :                 break;
     175                 :           0 :             case BlockValidationResult::MISSING_PREV:
     176                 :           0 :                 std::cout << "We don't have the previous block the checked one is built on" << std::endl;
     177                 :           0 :                 break;
     178                 :           0 :             case BlockValidationResult::INVALID_PREV:
     179                 :           0 :                 std::cout << "A block this one builds on is invalid" << std::endl;
     180                 :           0 :                 break;
     181                 :           0 :             case BlockValidationResult::TIME_FUTURE:
     182                 :           0 :                 std::cout << "block timestamp was > 2 hours in the future (or our clock is bad)" << std::endl;
     183                 :           0 :                 break;
     184                 :             :             }
     185                 :             :             return;
     186                 :             :         }
     187                 :           0 :         case ValidationMode::INTERNAL_ERROR: {
     188                 :           0 :             std::cout << "Internal error" << std::endl;
     189                 :           0 :             return;
     190                 :             :         }
     191                 :             :         }
     192                 :             :     }
     193                 :             : 
     194                 :           2 :     void BlockConnected(Block block, BlockTreeEntry entry) override
     195                 :             :     {
     196                 :           2 :         std::cout << "Block connected." << std::endl;
     197                 :           2 :     }
     198                 :             : 
     199                 :           0 :     void PowValidBlock(BlockTreeEntry entry, Block block) override
     200                 :             :     {
     201                 :           0 :         std::cout << "Block passed pow verification" << std::endl;
     202                 :           0 :     }
     203                 :             : 
     204                 :           0 :     void BlockDisconnected(Block block, BlockTreeEntry entry) override
     205                 :             :     {
     206                 :           0 :         std::cout << "Block disconnected." << std::endl;
     207                 :           0 :     }
     208                 :             : };
     209                 :             : 
     210                 :           7 : void run_verify_test(
     211                 :             :     const ScriptPubkey& spent_script_pubkey,
     212                 :             :     const Transaction& spending_tx,
     213                 :             :     const PrecomputedTransactionData* precomputed_txdata,
     214                 :             :     int64_t amount,
     215                 :             :     unsigned int input_index,
     216                 :             :     bool taproot)
     217                 :             : {
     218                 :           7 :     auto status = ScriptVerifyStatus::OK;
     219                 :             : 
     220         [ +  + ]:           7 :     if (taproot) {
     221   [ +  -  +  - ]:           6 :         BOOST_CHECK(spent_script_pubkey.Verify(
     222                 :             :             amount,
     223                 :             :             spending_tx,
     224                 :             :             precomputed_txdata,
     225                 :             :             input_index,
     226                 :             :             ScriptVerificationFlags::ALL,
     227                 :             :             status));
     228         [ +  - ]:           6 :         BOOST_CHECK(status == ScriptVerifyStatus::OK);
     229                 :             :     } else {
     230   [ +  -  +  - ]:           8 :         BOOST_CHECK(!spent_script_pubkey.Verify(
     231                 :             :             amount,
     232                 :             :             spending_tx,
     233                 :             :             precomputed_txdata,
     234                 :             :             input_index,
     235                 :             :             ScriptVerificationFlags::ALL,
     236                 :             :             status));
     237         [ +  - ]:           8 :         BOOST_CHECK(status == ScriptVerifyStatus::ERROR_SPENT_OUTPUTS_REQUIRED);
     238                 :             :     }
     239                 :             : 
     240   [ +  -  +  - ]:          14 :     BOOST_CHECK(spent_script_pubkey.Verify(
     241                 :             :         amount,
     242                 :             :         spending_tx,
     243                 :             :         precomputed_txdata,
     244                 :             :         input_index,
     245                 :             :         VERIFY_ALL_PRE_TAPROOT,
     246                 :             :         status));
     247         [ +  - ]:          14 :     BOOST_CHECK(status == ScriptVerifyStatus::OK);
     248                 :             : 
     249   [ +  -  +  - ]:          14 :     BOOST_CHECK(spent_script_pubkey.Verify(
     250                 :             :         0,
     251                 :             :         spending_tx,
     252                 :             :         precomputed_txdata,
     253                 :             :         input_index,
     254                 :             :         VERIFY_ALL_PRE_SEGWIT,
     255                 :             :         status));
     256         [ +  - ]:          14 :     BOOST_CHECK(status == ScriptVerifyStatus::OK);
     257                 :           7 : }
     258                 :             : 
     259                 :             : template <typename T>
     260                 :             : concept HasToBytes = requires(T t) {
     261                 :             :     { t.ToBytes() } -> std::convertible_to<std::span<const std::byte>>;
     262                 :             : };
     263                 :             : 
     264                 :             : template <typename T>
     265                 :          18 : void CheckHandle(T object, T distinct_object)
     266                 :             : {
     267         [ +  - ]:          36 :     BOOST_CHECK(object.get() != nullptr);
     268         [ +  - ]:          36 :     BOOST_CHECK(distinct_object.get() != nullptr);
     269         [ +  - ]:          36 :     BOOST_CHECK(object.get() != distinct_object.get());
     270                 :             : 
     271                 :             :     if constexpr (HasToBytes<T>) {
     272         [ +  - ]:           7 :         const auto object_bytes = object.ToBytes();
     273                 :           7 :         const auto distinct_bytes = distinct_object.ToBytes();
     274   [ +  -  +  - ]:          17 :         BOOST_CHECK(!std::ranges::equal(object_bytes, distinct_bytes));
     275                 :           4 :     }
     276                 :             : 
     277                 :             :     // Copy constructor
     278                 :          18 :     T object2(distinct_object);
     279   [ +  -  +  -  :          18 :     BOOST_CHECK_NE(distinct_object.get(), object2.get());
                   +  - ]
     280                 :             :     if constexpr (HasToBytes<T>) {
     281   [ +  +  +  -  :          13 :         check_equal(distinct_object.ToBytes(), object2.ToBytes());
          +  +  +  -  +  
                      - ]
     282                 :             :     }
     283                 :             : 
     284                 :             :     // Copy assignment
     285         [ +  - ]:          18 :     T object3{distinct_object};
     286                 :          18 :     object2 = object3;
     287   [ +  -  +  -  :          18 :     BOOST_CHECK_NE(object3.get(), object2.get());
                   +  - ]
     288                 :             :     if constexpr (HasToBytes<T>) {
     289   [ +  +  +  -  :          13 :         check_equal(object3.ToBytes(), object2.ToBytes());
          +  +  +  -  +  
                      - ]
     290                 :             :     }
     291                 :             : 
     292                 :             :     // Move constructor
     293         [ +  - ]:          18 :     auto* original_ptr = object2.get();
     294                 :          18 :     T object4{std::move(object2)};
     295   [ +  -  +  - ]:          18 :     BOOST_CHECK_EQUAL(object4.get(), original_ptr);
     296   [ +  -  +  -  :          18 :     BOOST_CHECK_EQUAL(object2.get(), nullptr); // NOLINT(bugprone-use-after-move)
                   +  - ]
     297                 :             :     if constexpr (HasToBytes<T>) {
     298   [ +  +  +  -  :          13 :         check_equal(object4.ToBytes(), object3.ToBytes());
             +  +  +  - ]
     299                 :             :     }
     300                 :             : 
     301                 :             :     // Move assignment
     302                 :          18 :     original_ptr = object4.get();
     303                 :          18 :     object2 = std::move(object4);
     304   [ +  -  +  - ]:          18 :     BOOST_CHECK_EQUAL(object2.get(), original_ptr);
     305   [ +  -  +  -  :          18 :     BOOST_CHECK_EQUAL(object4.get(), nullptr); // NOLINT(bugprone-use-after-move)
                   +  - ]
     306                 :             :     if constexpr (HasToBytes<T>) {
     307   [ +  +  +  -  :          13 :         check_equal(object2.ToBytes(), object3.ToBytes());
          +  +  +  -  +  
                      - ]
     308                 :             :     }
     309                 :             : 
     310                 :             :     // Self move-assignment must not destroy the held resource.
     311                 :             :     // Use a reference to avoid -Wself-move warnings.
     312                 :          18 :     original_ptr = object2.get();
     313         [ +  - ]:          18 :     auto& object2_ref = object2;
     314                 :          18 :     object2 = std::move(object2_ref);
     315   [ +  -  +  -  :          18 :     BOOST_CHECK_EQUAL(object2.get(), original_ptr);
                   +  - ]
     316                 :             :     if constexpr (HasToBytes<T>) {
     317   [ +  +  +  -  :          13 :         check_equal(object2.ToBytes(), object3.ToBytes());
             +  +  +  - ]
     318                 :             :     }
     319                 :          18 : }
     320                 :             : 
     321                 :             : template <typename RangeType>
     322                 :             :     requires std::ranges::random_access_range<RangeType>
     323                 :           6 : void CheckRange(const RangeType& range, size_t expected_size)
     324                 :             : {
     325                 :             :     using value_type = std::ranges::range_value_t<RangeType>;
     326                 :             : 
     327         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(range.size(), expected_size);
     328   [ +  -  +  - ]:          12 :     BOOST_REQUIRE(range.size() > 0); // Some checks below assume a non-empty range
     329   [ +  -  +  - ]:          12 :     BOOST_REQUIRE(!range.empty());
     330                 :             : 
     331   [ +  -  +  -  :          18 :     BOOST_CHECK(range.begin() != range.end());
                   +  - ]
     332         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(std::distance(range.begin(), range.end()), static_cast<std::ptrdiff_t>(expected_size));
     333         [ +  - ]:          12 :     BOOST_CHECK(range.cbegin() == range.begin());
     334   [ +  -  +  -  :          24 :     BOOST_CHECK(range.cend() == range.end());
                   +  - ]
     335                 :             : 
     336         [ +  + ]:         221 :     for (size_t i = 0; i < range.size(); ++i) {
     337         [ +  - ]:         215 :         BOOST_CHECK_EQUAL(range[i].get(), (*(range.begin() + i)).get());
     338                 :             :     }
     339                 :             : 
     340   [ +  -  -  +  :          12 :     BOOST_CHECK_THROW(range.at(expected_size), std::out_of_range);
          -  -  -  -  -  
             +  +  -  +  
                      - ]
     341                 :             : 
     342         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(range.front().get(), range[0].get());
     343         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(range.back().get(), range[expected_size - 1].get());
     344                 :             : 
     345                 :           6 :     auto it = range.begin();
     346                 :           6 :     auto it_copy = it;
     347                 :           6 :     ++it;
     348         [ +  - ]:          12 :     BOOST_CHECK(it != it_copy);
     349                 :           6 :     --it;
     350         [ +  - ]:          12 :     BOOST_CHECK(it == it_copy);
     351                 :           6 :     it = range.begin();
     352                 :           6 :     auto old_it = it++;
     353         [ +  - ]:          12 :     BOOST_CHECK(old_it == range.begin());
     354         [ +  - ]:          12 :     BOOST_CHECK(it == range.begin() + 1);
     355                 :           6 :     old_it = it--;
     356         [ +  - ]:          12 :     BOOST_CHECK(old_it == range.begin() + 1);
     357         [ +  - ]:          12 :     BOOST_CHECK(it == range.begin());
     358                 :             : 
     359                 :           6 :     it = range.begin();
     360                 :           6 :     it += 2;
     361         [ +  - ]:          12 :     BOOST_CHECK(it == range.begin() + 2);
     362                 :           6 :     it -= 2;
     363         [ +  - ]:          12 :     BOOST_CHECK(it == range.begin());
     364                 :             : 
     365   [ +  -  +  -  :          18 :     BOOST_CHECK(range.begin() < range.end());
                   +  - ]
     366   [ +  -  +  -  :          18 :     BOOST_CHECK(range.begin() <= range.end());
                   +  - ]
     367   [ +  -  +  - ]:          18 :     BOOST_CHECK(range.end() > range.begin());
     368   [ +  -  +  - ]:          18 :     BOOST_CHECK(range.end() >= range.begin());
     369         [ +  - ]:          12 :     BOOST_CHECK(range.begin() == range.begin());
     370                 :             : 
     371         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(range.begin()[0].get(), range[0].get());
     372                 :             : 
     373                 :           6 :     size_t count = 0;
     374         [ +  - ]:         221 :     for (auto rit = range.end(); rit != range.begin();) {
     375                 :         215 :         --rit;
     376                 :         215 :         ++count;
     377                 :             :     }
     378         [ +  - ]:           6 :     BOOST_CHECK_EQUAL(count, expected_size);
     379                 :             : 
     380                 :           6 :     std::vector<value_type> collected;
     381   [ +  -  +  -  :         436 :     for (const auto& elem : range) {
                   +  - ]
     382         [ +  - ]:         215 :         collected.push_back(elem);
     383                 :             :     }
     384   [ +  -  +  - ]:          12 :     BOOST_CHECK_EQUAL(collected.size(), expected_size);
     385                 :             : 
     386   [ +  -  +  -  :          12 :     BOOST_CHECK_EQUAL(std::ranges::size(range), expected_size);
                   +  - ]
     387                 :             : 
     388         [ +  - ]:           6 :     it = range.begin();
     389                 :           6 :     auto it2 = 1 + it;
     390   [ +  -  +  - ]:          12 :     BOOST_CHECK(it2 == it + 1);
     391                 :           6 : }
     392                 :             : 
     393   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_transaction_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     394                 :             : {
     395                 :           1 :     auto tx_data{hex_string_to_byte_vec("02000000013f7cebd65c27431a90bba7f796914fe8cc2ddfc3f2cbd6f7e5f2fc854534da95000000006b483045022100de1ac3bcdfb0332207c4a91f3832bd2c2915840165f876ab47c5f8996b971c3602201c6c053d750fadde599e6f5c4e1963df0f01fc0d97815e8157e3d59fe09ca30d012103699b464d1d8bc9e47d4fb1cdaa89a1c5783d68363c4dbc4b524ed3d857148617feffffff02836d3c01000000001976a914fc25d6d5c94003bf5b0c7b640a248e2c637fcfb088ac7ada8202000000001976a914fbed3d9b11183209a57999d54d59f67c019e756c88ac6acb0700")};
     396   [ -  +  +  - ]:           1 :     auto tx{Transaction{tx_data}};
     397         [ +  - ]:           1 :     auto tx_data_2{hex_string_to_byte_vec("02000000000101904f4ee5c87d20090b642f116e458cd6693292ad9ece23e72f15fb6c05b956210500000000fdffffff02e2010000000000002251200839a723933b56560487ec4d67dda58f09bae518ffa7e148313c5696ac837d9f10060000000000002251205826bcdae7abfb1c468204170eab00d887b61ab143464a4a09e1450bdc59a3340140f26e7af574e647355830772946356c27e7bbc773c5293688890f58983499581be84de40be7311a14e6d6422605df086620e75adae84ff06b75ce5894de5e994a00000000")};
     398   [ -  +  +  - ]:           1 :     auto tx2{Transaction{tx_data_2}};
     399   [ +  -  +  -  :           2 :     CheckHandle(tx, tx2);
                   +  - ]
     400                 :             : 
     401         [ +  - ]:           1 :     auto invalid_data = hex_string_to_byte_vec("012300");
     402   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(Transaction{invalid_data}, std::runtime_error);
          -  +  -  -  -  
          -  -  +  +  -  
                   +  - ]
     403         [ +  - ]:           1 :     auto empty_data = hex_string_to_byte_vec("");
     404   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(Transaction{empty_data}, std::runtime_error);
          -  +  -  -  -  
          -  -  +  +  -  
                   +  - ]
     405                 :             : 
     406   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(tx.CountOutputs(), 2);
                   +  - ]
     407   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(tx.CountInputs(), 1);
                   +  - ]
     408   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(tx.GetLocktime(), 510826);
                   +  - ]
     409         [ +  - ]:           1 :     auto broken_tx_data{std::span<std::byte>{tx_data.begin(), tx_data.begin() + 10}};
     410   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(Transaction{broken_tx_data}, std::runtime_error);
          -  -  -  -  -  
             +  +  -  +  
                      - ]
     411         [ +  - ]:           1 :     auto input{tx.GetInput(0)};
     412   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(input.GetSequence(), 0xfffffffe);
                   +  - ]
     413   [ +  -  +  - ]:           1 :     auto output{tx.GetOutput(tx.CountOutputs() - 1)};
     414   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(output.Amount(), 42130042);
                   +  - ]
     415         [ +  - ]:           1 :     auto script_pubkey{output.GetScriptPubkey()};
     416                 :           1 :     {
     417   [ -  +  +  - ]:           1 :         auto tx_new{Transaction{tx_data}};
     418                 :             :         // This is safe, because we now use copy assignment
     419   [ +  -  +  - ]:           1 :         TransactionOutput output = tx_new.GetOutput(tx_new.CountOutputs() - 1);
     420         [ +  - ]:           1 :         ScriptPubkey script = output.GetScriptPubkey();
     421                 :             : 
     422   [ +  -  +  - ]:           1 :         TransactionOutputView output2 = tx_new.GetOutput(tx_new.CountOutputs() - 1);
     423   [ +  -  +  - ]:           1 :         BOOST_CHECK_NE(output.get(), output2.get());
     424   [ +  -  +  -  :           1 :         BOOST_CHECK_EQUAL(output.Amount(), output2.Amount());
             +  -  +  - ]
     425         [ +  - ]:           1 :         TransactionOutput output3 = output2;
     426   [ +  -  +  - ]:           1 :         BOOST_CHECK_NE(output3.get(), output2.get());
     427   [ +  -  +  -  :           1 :         BOOST_CHECK_EQUAL(output3.Amount(), output2.Amount());
             +  -  +  - ]
     428                 :             : 
     429                 :             :         // Non-owned view
     430         [ +  - ]:           1 :         ScriptPubkeyView script2 = output.GetScriptPubkey();
     431   [ +  -  +  - ]:           1 :         BOOST_CHECK_NE(script.get(), script2.get());
     432   [ +  -  -  +  :           2 :         check_equal(script.ToBytes(), script2.ToBytes());
          +  -  -  +  +  
                      - ]
     433                 :             : 
     434                 :             :         // Non-owned to owned
     435         [ +  - ]:           1 :         ScriptPubkey script3 = script2;
     436   [ +  -  +  - ]:           1 :         BOOST_CHECK_NE(script3.get(), script2.get());
     437   [ +  -  -  +  :           2 :         check_equal(script3.ToBytes(), script2.ToBytes());
          +  -  -  +  +  
                      - ]
     438                 :           1 :     }
     439   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(output.Amount(), 42130042);
                   +  - ]
     440                 :             : 
     441   [ +  -  -  +  :           1 :     auto tx_roundtrip{Transaction{tx.ToBytes()}};
                   +  - ]
     442   [ -  +  +  -  :           1 :     check_equal(tx_roundtrip.ToBytes(), tx_data);
             -  +  +  - ]
     443                 :             : 
     444                 :             :     // The following code is unsafe, but left here to show limitations of the
     445                 :             :     // API, because we preserve the output view beyond the lifetime of the
     446                 :             :     // transaction. The view type wrapper should make this clear to the user.
     447                 :             :     // auto get_output = [&]() -> TransactionOutputView {
     448                 :             :     //     auto tx{Transaction{tx_data}};
     449                 :             :     //     return tx.GetOutput(0);
     450                 :             :     // };
     451                 :             :     // auto output_new = get_output();
     452                 :             :     // BOOST_CHECK_EQUAL(output_new.Amount(), 20737411);
     453                 :             : 
     454                 :           1 :     int64_t total_amount{0};
     455   [ +  -  +  -  :           5 :     for (const auto output : tx.Outputs()) {
                   +  - ]
     456         [ +  - ]:           2 :         total_amount += output.Amount();
     457                 :             :     }
     458   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(total_amount, 62867453);
     459                 :             : 
     460   [ +  -  +  - ]:           3 :     auto amount = *(tx.Outputs() | std::ranges::views::filter([](const auto& output) {
     461         [ +  + ]:           2 :                         return output.Amount() == 42130042;
     462         [ +  - ]:           1 :                     }) |
     463                 :           1 :                     std::views::transform([](const auto& output) {
     464                 :           1 :                         return output.Amount();
     465         [ +  - ]:           1 :                     })).begin();
     466   [ +  -  +  -  :           2 :     BOOST_REQUIRE(amount);
                   +  - ]
     467   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(amount, 42130042);
     468                 :             : 
     469   [ +  -  +  - ]:           1 :     CheckRange(tx.Outputs(), tx.CountOutputs());
     470                 :             : 
     471   [ +  -  -  +  :           1 :     ScriptPubkey script_pubkey_roundtrip{script_pubkey.ToBytes()};
                   +  - ]
     472   [ +  -  -  +  :           2 :     check_equal(script_pubkey_roundtrip.ToBytes(), script_pubkey.ToBytes());
          +  -  -  +  +  
                      - ]
     473                 :           1 : }
     474                 :             : 
     475   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_script_pubkey)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     476                 :             : {
     477                 :           1 :     auto script_data{hex_string_to_byte_vec("76a9144bfbaf6afb76cc5771bc6404810d1cc041a6933988ac")};
     478         [ +  - ]:           1 :     std::vector<std::byte> script_data_2 = script_data;
     479         [ +  - ]:           1 :     script_data_2.push_back(std::byte{0x51});
     480   [ -  +  +  - ]:           1 :     ScriptPubkey script{script_data};
     481   [ -  +  +  - ]:           1 :     ScriptPubkey script2{script_data_2};
     482   [ +  -  +  -  :           2 :     CheckHandle(script, script2);
                   +  - ]
     483                 :             : 
     484                 :           1 :     std::span<std::byte> empty_data{};
     485         [ +  - ]:           1 :     ScriptPubkey empty_script{empty_data};
     486   [ +  -  +  -  :           2 :     CheckHandle(script, empty_script);
                   +  - ]
     487                 :           1 : }
     488                 :             : 
     489   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_transaction_output)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     490                 :             : {
     491   [ -  +  +  - ]:           1 :     ScriptPubkey script{hex_string_to_byte_vec("76a9144bfbaf6afb76cc5771bc6404810d1cc041a6933988ac")};
     492         [ +  - ]:           1 :     TransactionOutput output{script, 1};
     493         [ +  - ]:           1 :     TransactionOutput output2{script, 2};
     494   [ +  -  +  -  :           2 :     CheckHandle(output, output2);
                   +  - ]
     495                 :           1 : }
     496                 :             : 
     497   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_transaction_input)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     498                 :             : {
     499   [ -  +  +  - ]:           1 :     Transaction tx{hex_string_to_byte_vec("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")};
     500         [ +  - ]:           1 :     TransactionInput input_0 = tx.GetInput(0);
     501         [ +  - ]:           1 :     TransactionInput input_1 = tx.GetInput(1);
     502   [ +  -  +  -  :           2 :     CheckHandle(input_0, input_1);
                   +  - ]
     503   [ +  -  +  - ]:           1 :     CheckRange(tx.Inputs(), tx.CountInputs());
     504         [ +  - ]:           1 :     OutPoint point_0 = input_0.OutPoint();
     505         [ +  - ]:           1 :     OutPoint point_1 = input_1.OutPoint();
     506   [ +  -  +  -  :           2 :     CheckHandle(point_0, point_1);
                   +  - ]
     507                 :             : 
     508         [ +  - ]:           1 :     WitnessStackView ws_0 = input_0.GetWitnessStack();
     509   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(ws_0.CountItems(), 0);
                   +  - ]
     510   [ +  -  +  -  :           2 :     BOOST_CHECK(ws_0.Items().empty());
             +  -  +  - ]
     511                 :             : 
     512                 :             :     // P2PKH: DER sig + compressed pubkey push.
     513   [ +  -  +  -  :           3 :     BOOST_CHECK(input_0.GetScriptSig() == hex_string_to_byte_vec("473044022004893432347f39beaa280e99da595681ddb20fc45010176897e6e055d716dbfa022040a9e46648a5d10c33ef7cee5e6cf4b56bd513eae3ae044f0039824b02d0f44c012102982331a52822fd9b62e9b5d120da1d248558fac3da3a3c51cd7d9c8ad3da760e"));
             +  -  +  - ]
     514   [ +  -  +  -  :           3 :     BOOST_CHECK(input_1.GetScriptSig() == hex_string_to_byte_vec("473044022068bcedc7fe39c9f21ad318df2c2da62c2dc9522a89c28c8420ff9d03d2e6bf7b0220132afd752754e5cb1ea2fd0ed6a38ec666781e34b0e93dc9a08f2457842cf5660121033aeb9c079ea3e08ea03556182ab520ce5c22e6b0cb95cee6435ee17144d860cd"));
             +  -  +  - ]
     515                 :             : 
     516                 :             :     // P2WSH input: OP_0, sig, sig, redeem_script (0, 71, 71, 105 bytes); no scriptSig.
     517   [ +  -  +  - ]:           2 :     Transaction segwit_tx{hex_string_to_byte_vec("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")};
     518         [ +  - ]:           1 :     TransactionInputView segwit_input = segwit_tx.GetInput(0);
     519         [ +  - ]:           1 :     WitnessStackView ws = segwit_input.GetWitnessStack();
     520   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(ws.CountItems(), 4);
                   +  - ]
     521   [ +  -  +  -  :           2 :     BOOST_CHECK(ws.GetItem(0).empty());
             +  -  +  - ]
     522   [ +  -  +  -  :           3 :     BOOST_CHECK(ws.GetItem(1) == hex_string_to_byte_vec("30440220565d170eed95ff95027a69b313758450ba84a01224e1f7f130dda46e94d13f8602207bdd20e307f062594022f12ed5017bbf4a055a06aea91c10110a0e3bb23117fc01"));
             +  -  +  - ]
     523   [ +  -  +  -  :           3 :     BOOST_CHECK(ws.GetItem(2) == hex_string_to_byte_vec("30440220647d2dc5b15f60bc37dc42618a370b2a1490293f9e5c8464f53ec4fe1dfe067302203598773895b4b16d37485cbe21b337f4e4b650739880098c592553add7dd435501"));
             +  -  +  - ]
     524   [ +  -  +  -  :           3 :     BOOST_CHECK(ws.GetItem(3) == hex_string_to_byte_vec("52210375e00eb72e29da82b89367947f29ef34afb75e8654f6ea368e0acdfd92976b7c2103a1b26313f430c4b15bb1fdce663207659d8cac749a0e53d70eff01874496feff2103c96d495bfdd5ba4145e3e046fee45e84a8a48ad05bd8dbb395c011a32cf9f88053ae"));
             +  -  +  - ]
     525         [ +  - ]:           1 :     auto items = ws.Items();
     526   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(items.size(), 4);
                   +  - ]
     527   [ +  -  +  + ]:           5 :     for (size_t i = 0; i < items.size(); ++i) {
     528   [ +  -  +  -  :           8 :         BOOST_CHECK(items[i] == ws.GetItem(i));
             +  -  +  - ]
     529                 :             :     }
     530         [ +  - ]:           1 :     WitnessStack owned_ws_0{ws_0};
     531         [ +  - ]:           1 :     WitnessStack owned_ws{ws};
     532   [ +  -  +  -  :           2 :     CheckHandle(owned_ws_0, owned_ws);
                   +  - ]
     533   [ +  -  +  -  :           2 :     BOOST_CHECK(segwit_input.GetScriptSig().empty());
                   +  - ]
     534                 :           1 : }
     535                 :             : 
     536   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_precomputed_txdata) {
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     537                 :           1 :     auto tx_data{hex_string_to_byte_vec("02000000013f7cebd65c27431a90bba7f796914fe8cc2ddfc3f2cbd6f7e5f2fc854534da95000000006b483045022100de1ac3bcdfb0332207c4a91f3832bd2c2915840165f876ab47c5f8996b971c3602201c6c053d750fadde599e6f5c4e1963df0f01fc0d97815e8157e3d59fe09ca30d012103699b464d1d8bc9e47d4fb1cdaa89a1c5783d68363c4dbc4b524ed3d857148617feffffff02836d3c01000000001976a914fc25d6d5c94003bf5b0c7b640a248e2c637fcfb088ac7ada8202000000001976a914fbed3d9b11183209a57999d54d59f67c019e756c88ac6acb0700")};
     538   [ -  +  +  - ]:           1 :     auto tx{Transaction{tx_data}};
     539         [ +  - ]:           1 :     auto tx_data_2{hex_string_to_byte_vec("02000000000101904f4ee5c87d20090b642f116e458cd6693292ad9ece23e72f15fb6c05b956210500000000fdffffff02e2010000000000002251200839a723933b56560487ec4d67dda58f09bae518ffa7e148313c5696ac837d9f10060000000000002251205826bcdae7abfb1c468204170eab00d887b61ab143464a4a09e1450bdc59a3340140f26e7af574e647355830772946356c27e7bbc773c5293688890f58983499581be84de40be7311a14e6d6422605df086620e75adae84ff06b75ce5894de5e994a00000000")};
     540   [ -  +  +  - ]:           1 :     auto tx2{Transaction{tx_data_2}};
     541                 :           1 :     auto precomputed_txdata{PrecomputedTransactionData{
     542                 :             :         /*tx_to=*/tx,
     543                 :             :         /*spent_outputs=*/{},
     544         [ +  - ]:           1 :     }};
     545                 :           1 :     auto precomputed_txdata_2{PrecomputedTransactionData{
     546                 :             :         /*tx_to=*/tx2,
     547                 :             :         /*spent_outputs=*/{},
     548         [ +  - ]:           1 :     }};
     549   [ +  -  +  -  :           2 :     CheckHandle(precomputed_txdata, precomputed_txdata_2);
                   +  - ]
     550                 :           1 : }
     551                 :             : 
     552   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_script_verify_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     553                 :             : {
     554                 :             :     // Legacy transaction aca326a724eda9a461c10a876534ecd5ae7b27f10f26c3862fb996f80ea2d45d
     555   [ -  +  +  - ]:           1 :     auto legacy_spent_script_pubkey{ScriptPubkey{hex_string_to_byte_vec("76a9144bfbaf6afb76cc5771bc6404810d1cc041a6933988ac")}};
     556   [ +  -  +  - ]:           2 :     auto legacy_spending_tx{Transaction{hex_string_to_byte_vec("02000000013f7cebd65c27431a90bba7f796914fe8cc2ddfc3f2cbd6f7e5f2fc854534da95000000006b483045022100de1ac3bcdfb0332207c4a91f3832bd2c2915840165f876ab47c5f8996b971c3602201c6c053d750fadde599e6f5c4e1963df0f01fc0d97815e8157e3d59fe09ca30d012103699b464d1d8bc9e47d4fb1cdaa89a1c5783d68363c4dbc4b524ed3d857148617feffffff02836d3c01000000001976a914fc25d6d5c94003bf5b0c7b640a248e2c637fcfb088ac7ada8202000000001976a914fbed3d9b11183209a57999d54d59f67c019e756c88ac6acb0700")}};
     557         [ +  - ]:           1 :     run_verify_test(
     558                 :             :         /*spent_script_pubkey=*/legacy_spent_script_pubkey,
     559                 :             :         /*spending_tx=*/legacy_spending_tx,
     560                 :             :         /*precomputed_txdata=*/nullptr,
     561                 :             :         /*amount=*/0,
     562                 :             :         /*input_index=*/0,
     563                 :             :         /*taproot=*/false);
     564                 :             : 
     565                 :             :     // Legacy transaction aca326a724eda9a461c10a876534ecd5ae7b27f10f26c3862fb996f80ea2d45d with precomputed_txdata
     566                 :           1 :     auto legacy_precomputed_txdata{PrecomputedTransactionData{
     567                 :             :         /*tx_to=*/legacy_spending_tx,
     568                 :             :         /*spent_outputs=*/{},
     569         [ +  - ]:           1 :     }};
     570         [ +  - ]:           1 :     run_verify_test(
     571                 :             :         /*spent_script_pubkey=*/legacy_spent_script_pubkey,
     572                 :             :         /*spending_tx=*/legacy_spending_tx,
     573                 :             :         /*precomputed_txdata=*/&legacy_precomputed_txdata,
     574                 :             :         /*amount=*/0,
     575                 :             :         /*input_index=*/0,
     576                 :             :         /*taproot=*/false);
     577                 :             : 
     578                 :             :     // Segwit transaction 1a3e89644985fbbb41e0dcfe176739813542b5937003c46a07de1e3ee7a4a7f3
     579   [ +  -  +  - ]:           2 :     auto segwit_spent_script_pubkey{ScriptPubkey{hex_string_to_byte_vec("0020701a8d401c84fb13e6baf169d59684e17abd9fa216c8cc5b9fc63d622ff8c58d")}};
     580   [ +  -  +  - ]:           2 :     auto segwit_spending_tx{Transaction{hex_string_to_byte_vec("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")}};
     581         [ +  - ]:           1 :     run_verify_test(
     582                 :             :         /*spent_script_pubkey=*/segwit_spent_script_pubkey,
     583                 :             :         /*spending_tx=*/segwit_spending_tx,
     584                 :             :         /*precomputed_txdata=*/nullptr,
     585                 :             :         /*amount=*/18393430,
     586                 :             :         /*input_index=*/0,
     587                 :             :         /*taproot=*/false);
     588                 :             : 
     589                 :             :     // Segwit transaction 1a3e89644985fbbb41e0dcfe176739813542b5937003c46a07de1e3ee7a4a7f3 with precomputed_txdata
     590                 :           1 :     auto segwit_precomputed_txdata{PrecomputedTransactionData{
     591                 :             :         /*tx_to=*/segwit_spending_tx,
     592                 :             :         /*spent_outputs=*/{},
     593         [ +  - ]:           1 :     }};
     594         [ +  - ]:           1 :     run_verify_test(
     595                 :             :         /*spent_script_pubkey=*/segwit_spent_script_pubkey,
     596                 :             :         /*spending_tx=*/segwit_spending_tx,
     597                 :             :         /*precomputed_txdata=*/&segwit_precomputed_txdata,
     598                 :             :         /*amount=*/18393430,
     599                 :             :         /*input_index=*/0,
     600                 :             :         /*taproot=*/false);
     601                 :             : 
     602                 :             :     // Taproot transaction 33e794d097969002ee05d336686fc03c9e15a597c1b9827669460fac98799036
     603   [ +  -  +  - ]:           2 :     auto taproot_spent_script_pubkey{ScriptPubkey{hex_string_to_byte_vec("5120339ce7e165e67d93adb3fef88a6d4beed33f01fa876f05a225242b82a631abc0")}};
     604   [ +  -  +  - ]:           2 :     auto taproot_spending_tx{Transaction{hex_string_to_byte_vec("01000000000101d1f1c1f8cdf6759167b90f52c9ad358a369f95284e841d7a2536cef31c0549580100000000fdffffff020000000000000000316a2f49206c696b65205363686e6f7272207369677320616e6420492063616e6e6f74206c69652e204062697462756734329e06010000000000225120a37c3903c8d0db6512e2b40b0dffa05e5a3ab73603ce8c9c4b7771e5412328f90140a60c383f71bac0ec919b1d7dbc3eb72dd56e7aa99583615564f9f99b8ae4e837b758773a5b2e4c51348854c8389f008e05029db7f464a5ff2e01d5e6e626174affd30a00")}};
     605                 :           1 :     std::vector<TransactionOutput> taproot_spent_outputs;
     606         [ +  - ]:           1 :     taproot_spent_outputs.emplace_back(taproot_spent_script_pubkey, 88480);
     607         [ -  + ]:           1 :     auto taproot_precomputed_txdata{PrecomputedTransactionData{
     608                 :             :         /*tx_to=*/taproot_spending_tx,
     609                 :           1 :         /*spent_outputs=*/taproot_spent_outputs,
     610         [ +  - ]:           1 :     }};
     611         [ +  - ]:           1 :     run_verify_test(
     612                 :             :         /*spent_script_pubkey=*/taproot_spent_script_pubkey,
     613                 :             :         /*spending_tx=*/taproot_spending_tx,
     614                 :             :         /*precomputed_txdata=*/&taproot_precomputed_txdata,
     615                 :             :         /*amount=*/88480,
     616                 :             :         /*input_index=*/0,
     617                 :             :         /*taproot=*/true);
     618                 :             : 
     619                 :             :     // Two-input taproot transaction e8e8320f40c31ed511570e9cdf1d241f8ec9a5cc392e6105240ac8dbea2098de
     620   [ +  -  +  - ]:           2 :     auto taproot2_spent_script_pubkey0{ScriptPubkey{hex_string_to_byte_vec("5120b7da80f57e36930b0515eb09293e25858d13e6b91fee6184943f5a584cb4248e")}};
     621   [ +  -  +  - ]:           2 :     auto taproot2_spent_script_pubkey1{ScriptPubkey{hex_string_to_byte_vec("5120ab78e077d062e7b8acd7063668b4db5355a1b5d5fd2a46a8e98e62e5e63fab77")}};
     622   [ +  -  +  - ]:           2 :     auto taproot2_spending_tx{Transaction{hex_string_to_byte_vec("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")}};
     623                 :           1 :     std::vector<TransactionOutput> taproot2_spent_outputs;
     624         [ +  - ]:           1 :     taproot2_spent_outputs.emplace_back(taproot2_spent_script_pubkey0, 546);
     625         [ +  - ]:           1 :     taproot2_spent_outputs.emplace_back(taproot2_spent_script_pubkey1, 135125);
     626         [ -  + ]:           1 :     auto taproot2_precomputed_txdata{PrecomputedTransactionData{
     627                 :             :         /*tx_to=*/taproot2_spending_tx,
     628                 :           1 :         /*spent_outputs=*/taproot2_spent_outputs,
     629         [ +  - ]:           1 :     }};
     630         [ +  - ]:           1 :     run_verify_test(
     631                 :             :         /*spent_script_pubkey=*/taproot2_spent_script_pubkey0,
     632                 :             :         /*spending_tx=*/taproot2_spending_tx,
     633                 :             :         /*precomputed_txdata=*/&taproot2_precomputed_txdata,
     634                 :             :         /*amount=*/546,
     635                 :             :         /*input_index=*/0,
     636                 :             :         /*taproot=*/true);
     637         [ +  - ]:           1 :     run_verify_test(
     638                 :             :         /*spent_script_pubkey=*/taproot2_spent_script_pubkey1,
     639                 :             :         /*spending_tx=*/taproot2_spending_tx,
     640                 :             :         /*precomputed_txdata=*/&taproot2_precomputed_txdata,
     641                 :             :         /*amount=*/135125,
     642                 :             :         /*input_index=*/1,
     643                 :             :         /*taproot=*/true);
     644                 :           1 : }
     645                 :             : 
     646   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(logging_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     647                 :             : {
     648                 :           1 :     btck_LoggingOptions logging_options = {
     649                 :             :         .log_timestamps = true,
     650                 :             :         .log_time_micros = true,
     651                 :             :         .log_threadnames = false,
     652                 :             :         .log_sourcelocations = false,
     653                 :             :         .always_print_category_levels = true,
     654                 :             :     };
     655                 :             : 
     656                 :           1 :     logging_set_options(logging_options);
     657                 :           1 :     logging_set_level_category(LogCategory::BENCH, LogLevel::TRACE_LEVEL);
     658                 :           1 :     logging_disable_category(LogCategory::BENCH);
     659                 :           1 :     logging_enable_category(LogCategory::VALIDATION);
     660                 :           1 :     logging_disable_category(LogCategory::VALIDATION);
     661                 :             : 
     662                 :             :     // Check that connecting, connecting another, and then disconnecting and connecting a logger again works.
     663                 :           1 :     {
     664                 :           1 :         logging_set_level_category(LogCategory::KERNEL, LogLevel::TRACE_LEVEL);
     665                 :           1 :         logging_enable_category(LogCategory::KERNEL);
     666         [ +  - ]:           1 :         Logger logger{std::make_unique<TestLog>()};
     667   [ +  -  +  -  :           1 :         Logger logger_2{std::make_unique<TestLog>()};
                   +  - ]
     668         [ +  - ]:           1 :     }
     669   [ +  -  +  - ]:           1 :     Logger logger{std::make_unique<TestLog>()};
     670                 :           1 : }
     671                 :             : 
     672   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_chainparams_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     673                 :             : {
     674                 :           1 :     ChainParams params_signet{ChainType::SIGNET};
     675   [ +  -  +  - ]:           2 :     ChainParams params_signet_challenge{hex_string_to_byte_vec("51")};
     676   [ +  -  +  -  :           2 :     CheckHandle(params_signet, params_signet_challenge);
                   +  - ]
     677                 :           1 : }
     678                 :             : 
     679   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_context_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     680                 :             : {
     681                 :           1 :     { // test default context
     682                 :           1 :         Context context{};
     683         [ +  - ]:           1 :         Context context2{};
     684   [ +  -  +  -  :           2 :         CheckHandle(context, context2);
                   +  - ]
     685                 :           1 :     }
     686                 :             : 
     687                 :           1 :     { // test with context options, but not options set
     688                 :           1 :         ContextOptions options{};
     689         [ +  - ]:           1 :         Context context{options};
     690         [ +  - ]:           1 :     }
     691                 :             : 
     692                 :           1 :     { // test with context options
     693                 :           1 :         ContextOptions options{};
     694         [ +  - ]:           1 :         ChainParams params{ChainType::MAINNET};
     695         [ +  - ]:           1 :         ChainParams regtest_params{ChainType::REGTEST};
     696   [ +  -  +  -  :           2 :         CheckHandle(params, regtest_params);
                   +  - ]
     697         [ +  - ]:           1 :         options.SetChainParams(params);
     698   [ +  -  +  - ]:           1 :         options.SetNotifications(std::make_shared<TestKernelNotifications>());
     699         [ +  - ]:           1 :         Context context{options};
     700         [ +  - ]:           1 :     }
     701                 :           1 : }
     702                 :             : 
     703   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_block_header_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     704                 :             : {
     705                 :             :     // Block header format: version(4) + prev_hash(32) + merkle_root(32) + timestamp(4) + bits(4) + nonce(4) = 80 bytes
     706   [ -  +  +  - ]:           1 :     BlockHeader header_0{hex_string_to_byte_vec("00e07a26beaaeee2e71d7eb19279545edbaf15de0999983626ec00000000000000000000579cf78b65229bfb93f4a11463af2eaa5ad91780f27f5d147a423bea5f7e4cdf2a47e268b4dd01173a9662ee")};
     707   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(byte_span_to_hex_string_reversed(header_0.Hash().ToBytes()), "00000000000000000000325c7e14a4ee3b4fcb2343089a839287308a0ddbee4f");
             +  -  +  - ]
     708   [ +  -  +  - ]:           2 :     BlockHeader header_1{hex_string_to_byte_vec("00c00020e7cb7b4de21d26d55bd384017b8bb9333ac3b2b55bed00000000000000000000d91b4484f801b99f03d36b9d26cfa83420b67f81da12d7e6c1e7f364e743c5ba9946e268b4dd011799c8533d")};
     709   [ +  -  +  -  :           2 :     CheckHandle(header_0, header_1);
                   +  - ]
     710                 :             : 
     711                 :             :     // Test all header field accessors using mainnet block 1
     712         [ +  - ]:           1 :     auto mainnet_block_1_header = hex_string_to_byte_vec("010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e857233e0e61bc6649ffff001d01e36299");
     713   [ -  +  +  - ]:           1 :     BlockHeader header{mainnet_block_1_header};
     714   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Version(), 1);
                   +  - ]
     715   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Timestamp(), 1231469665);
                   +  - ]
     716   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Bits(), 0x1d00ffff);
                   +  - ]
     717   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Nonce(), 2573394689);
                   +  - ]
     718   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(byte_span_to_hex_string_reversed(header.Hash().ToBytes()), "00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048");
             +  -  +  - ]
     719         [ +  - ]:           1 :     auto prev_hash = header.PrevHash();
     720   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(byte_span_to_hex_string_reversed(prev_hash.ToBytes()), "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f");
             +  -  +  - ]
     721                 :             : 
     722                 :             :     // Test round-trip serialization of block header
     723   [ +  -  +  - ]:           1 :     auto header_roundtrip{BlockHeader{header.ToBytes()}};
     724   [ -  +  +  -  :           1 :     check_equal(header_roundtrip.ToBytes(), mainnet_block_1_header);
                   +  - ]
     725                 :             : 
     726         [ +  - ]:           1 :     auto raw_block = hex_string_to_byte_vec("010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e857233e0e61bc6649ffff001d01e362990101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0704ffff001d0104ffffffff0100f2052a0100000043410496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52da7589379515d4e0a604f8141781e62294721166bf621e73a82cbf2342c858eeac00000000");
     727   [ -  +  +  - ]:           1 :     Block block{raw_block};
     728         [ +  - ]:           1 :     BlockHeader block_header{block.GetHeader()};
     729   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(block_header.Version(), 1);
                   +  - ]
     730   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(block_header.Timestamp(), 1231469665);
                   +  - ]
     731   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(block_header.Bits(), 0x1d00ffff);
                   +  - ]
     732   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(block_header.Nonce(), 2573394689);
                   +  - ]
     733   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(byte_span_to_hex_string_reversed(block_header.Hash().ToBytes()), "00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048");
             +  -  +  - ]
     734                 :             : 
     735                 :             :     // Verify header from block serializes to first 80 bytes of raw block
     736         [ +  - ]:           1 :     auto block_header_bytes = block_header.ToBytes();
     737   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(block_header_bytes.size(), 80);
     738         [ +  - ]:           1 :     check_equal(block_header_bytes, std::span<const std::byte>(raw_block.data(), 80));
     739                 :           1 : }
     740                 :             : 
     741   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_block)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     742                 :             : {
     743   [ -  +  +  - ]:           1 :     Block block{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[0])};
     744   [ +  -  +  - ]:           2 :     Block block_100{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[100])};
     745   [ +  -  +  -  :           2 :     CheckHandle(block, block_100);
                   +  - ]
     746   [ +  -  +  - ]:           2 :     Block block_tx{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[205])};
     747   [ +  -  +  - ]:           1 :     CheckRange(block_tx.Transactions(), block_tx.CountTransactions());
     748         [ +  - ]:           1 :     auto invalid_data = hex_string_to_byte_vec("012300");
     749   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(Block{invalid_data}, std::runtime_error);
          -  +  -  -  -  
          -  -  +  +  -  
                   +  - ]
     750         [ +  - ]:           1 :     auto empty_data = hex_string_to_byte_vec("");
     751   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(Block{empty_data}, std::runtime_error);
          -  +  -  -  -  
          -  -  +  +  -  
                   +  - ]
     752                 :           1 : }
     753                 :             : 
     754                 :           7 : Context create_context(std::shared_ptr<TestKernelNotifications> notifications, ChainType chain_type, std::shared_ptr<TestValidationInterface> validation_interface = nullptr)
     755                 :             : {
     756                 :           7 :     ContextOptions options{};
     757         [ +  - ]:           7 :     ChainParams params{chain_type};
     758         [ +  - ]:           7 :     options.SetChainParams(params);
     759   [ +  -  +  - ]:          14 :     options.SetNotifications(notifications);
     760         [ +  + ]:           7 :     if (validation_interface) {
     761   [ +  -  +  - ]:           3 :         options.SetValidationInterface(validation_interface);
     762                 :             :     }
     763         [ +  - ]:           7 :     auto context{Context{options}};
     764                 :           7 :     return context;
     765         [ +  - ]:          14 : }
     766                 :             : 
     767   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_chainman_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     768                 :             : {
     769         [ +  - ]:           1 :     Logger logger{std::make_unique<TestLog>()};
     770   [ +  -  +  - ]:           1 :     auto test_directory{TestDirectory{"chainman_test_bitcoin_kernel"}};
     771                 :             : 
     772                 :           1 :     { // test with default context
     773         [ +  - ]:           1 :         Context context{};
     774   [ -  +  -  +  :           7 :         ChainstateManagerOptions chainman_opts{context, PathToString(test_directory.m_directory), PathToString(test_directory.m_directory / "blocks")};
          +  -  +  -  -  
             +  -  +  +  
                      - ]
     775         [ +  - ]:           1 :         ChainMan chainman{context, chainman_opts};
     776         [ +  - ]:           2 :     }
     777                 :             : 
     778                 :           1 :     { // test with default context options
     779         [ +  - ]:           1 :         ContextOptions options{};
     780         [ +  - ]:           1 :         Context context{options};
     781   [ -  +  -  +  :           7 :         ChainstateManagerOptions chainman_opts{context, PathToString(test_directory.m_directory), PathToString(test_directory.m_directory / "blocks")};
          +  -  +  -  -  
             +  -  +  +  
                      - ]
     782         [ +  - ]:           1 :         ChainMan chainman{context, chainman_opts};
     783   [ +  -  +  - ]:           2 :     }
     784                 :           1 :     { // null or empty data_directory or blocks_directory are not allowed
     785         [ +  - ]:           1 :         Context context{};
     786         [ -  + ]:           1 :         auto valid_dir{PathToString(test_directory.m_directory)};
     787                 :           1 :         std::vector<std::pair<std::string_view, std::string_view>> illegal_cases{
     788                 :             :             {"", valid_dir},
     789                 :           1 :             {valid_dir, {nullptr, 0}},
     790                 :             :             {"", ""},
     791                 :             :             {{nullptr, 0}, {nullptr, 0}},
     792   [ -  +  +  - ]:           1 :         };
     793   [ +  -  +  + ]:           5 :         for (auto& [data_dir, blocks_dir] : illegal_cases) {
     794   [ +  -  -  +  :           8 :             BOOST_CHECK_THROW(ChainstateManagerOptions(context, data_dir, blocks_dir),
          -  -  -  -  -  
             +  +  -  +  
                      - ]
     795                 :             :                               std::runtime_error);
     796                 :           1 :         };
     797                 :           1 :     }
     798                 :             : 
     799         [ +  - ]:           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
     800   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::MAINNET)};
                   -  + ]
     801                 :             : 
     802   [ -  +  -  +  :           7 :     ChainstateManagerOptions chainman_opts{context, PathToString(test_directory.m_directory), PathToString(test_directory.m_directory / "blocks")};
          +  -  +  -  -  
             +  -  +  +  
                      - ]
     803         [ +  - ]:           1 :     chainman_opts.SetWorkerThreads(4);
     804   [ +  -  +  -  :           2 :     BOOST_CHECK(!chainman_opts.SetDatabaseCacheBytes(4_MiB - 1));
             +  -  +  - ]
     805                 :           1 :     if constexpr (sizeof(void*) == 4) BOOST_CHECK(!chainman_opts.SetDatabaseCacheBytes(2_GiB));
     806   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman_opts.SetDatabaseCacheBytes(4_MiB));
             +  -  +  - ]
     807   [ +  -  +  -  :           2 :     BOOST_CHECK(!chainman_opts.SetWipeDbs(/*wipe_block_tree=*/true, /*wipe_chainstate=*/false));
             +  -  +  - ]
     808   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman_opts.SetWipeDbs(/*wipe_block_tree=*/true, /*wipe_chainstate=*/true));
             +  -  +  - ]
     809   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman_opts.SetWipeDbs(/*wipe_block_tree=*/false, /*wipe_chainstate=*/true));
             +  -  +  - ]
     810   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman_opts.SetWipeDbs(/*wipe_block_tree=*/false, /*wipe_chainstate=*/false));
             +  -  +  - ]
     811         [ +  - ]:           1 :     ChainMan chainman{context, chainman_opts};
     812   [ +  -  +  -  :           4 : }
                   +  - ]
     813                 :             : 
     814                 :           8 : std::unique_ptr<ChainMan> create_chainman(TestDirectory& test_directory,
     815                 :             :                                           bool reindex,
     816                 :             :                                           bool wipe_chainstate,
     817                 :             :                                           bool block_tree_db_in_memory,
     818                 :             :                                           bool chainstate_db_in_memory,
     819                 :             :                                           Context& context)
     820                 :             : {
     821   [ -  +  -  +  :          56 :     ChainstateManagerOptions chainman_opts{context, PathToString(test_directory.m_directory), PathToString(test_directory.m_directory / "blocks")};
          +  -  +  -  -  
             +  -  +  +  
                      - ]
     822                 :             : 
     823         [ +  + ]:           8 :     if (reindex) {
     824         [ +  - ]:           1 :         chainman_opts.SetWipeDbs(/*wipe_block_tree=*/reindex, /*wipe_chainstate=*/reindex);
     825                 :             :     }
     826         [ +  + ]:           8 :     if (wipe_chainstate) {
     827         [ +  - ]:           1 :         chainman_opts.SetWipeDbs(/*wipe_block_tree=*/false, /*wipe_chainstate=*/wipe_chainstate);
     828                 :             :     }
     829         [ +  + ]:           8 :     if (block_tree_db_in_memory) {
     830         [ +  - ]:           2 :         chainman_opts.UpdateBlockTreeDbInMemory(block_tree_db_in_memory);
     831                 :             :     }
     832         [ +  + ]:           8 :     if (chainstate_db_in_memory) {
     833         [ +  - ]:           2 :         chainman_opts.UpdateChainstateDbInMemory(chainstate_db_in_memory);
     834                 :             :     }
     835                 :             : 
     836         [ +  - ]:           8 :     auto chainman{std::make_unique<ChainMan>(context, chainman_opts)};
     837         [ +  - ]:           8 :     return chainman;
     838                 :           8 : }
     839                 :             : 
     840                 :           1 : void chainman_reindex_test(TestDirectory& test_directory)
     841                 :             : {
     842                 :           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
     843   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::MAINNET)};
                   -  + ]
     844                 :           1 :     auto chainman{create_chainman(
     845                 :             :         test_directory, /*reindex=*/true, /*wipe_chainstate=*/false,
     846         [ +  - ]:           1 :         /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
     847                 :             : 
     848                 :           1 :     std::vector<std::string> import_files;
     849   [ +  -  -  +  :           2 :     BOOST_CHECK(chainman->ImportBlocks(import_files));
          +  -  +  -  +  
                      - ]
     850                 :             : 
     851                 :             :     // Sanity check some block retrievals
     852         [ +  - ]:           1 :     auto chain{chainman->GetChain()};
     853   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(chain.GetByHeight(1000), std::runtime_error);
          -  -  -  -  -  
             +  +  -  +  
                      - ]
     854         [ +  - ]:           1 :     auto genesis_index{chain.Entries().front()};
     855   [ +  -  +  -  :           2 :     BOOST_CHECK(!genesis_index.GetPrevious());
             +  -  +  - ]
     856   [ +  -  +  - ]:           2 :     auto genesis_block_raw{chainman->ReadBlock(genesis_index).value().ToBytes()};
     857         [ +  - ]:           1 :     auto first_index{chain.GetByHeight(0)};
     858   [ +  -  +  - ]:           2 :     auto first_block_raw{chainman->ReadBlock(genesis_index).value().ToBytes()};
     859   [ -  +  -  +  :           1 :     check_equal(genesis_block_raw, first_block_raw);
                   +  - ]
     860         [ +  - ]:           1 :     auto height{first_index.GetHeight()};
     861   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(height, 0);
     862                 :             : 
     863   [ +  -  +  - ]:           1 :     auto next_index{chain.GetByHeight(first_index.GetHeight() + 1)};
     864   [ +  -  +  -  :           2 :     BOOST_CHECK(chain.Contains(next_index));
             +  -  +  - ]
     865   [ +  -  +  - ]:           2 :     auto next_block_data{chainman->ReadBlock(next_index).value().ToBytes()};
     866         [ +  - ]:           1 :     auto tip_index{chain.Entries().back()};
     867   [ +  -  +  - ]:           2 :     auto tip_block_data{chainman->ReadBlock(tip_index).value().ToBytes()};
     868         [ +  - ]:           1 :     auto second_index{chain.GetByHeight(1)};
     869         [ +  - ]:           2 :     auto second_block{chainman->ReadBlock(second_index).value()};
     870         [ +  - ]:           1 :     auto second_block_data{second_block.ToBytes()};
     871         [ +  - ]:           1 :     auto second_height{second_index.GetHeight()};
     872   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(second_height, 1);
     873   [ -  +  -  +  :           1 :     check_equal(next_block_data, tip_block_data);
                   +  - ]
     874   [ -  +  -  +  :           1 :     check_equal(next_block_data, second_block_data);
                   +  - ]
     875                 :             : 
     876         [ +  - ]:           1 :     auto second_hash{second_index.GetHash()};
     877   [ +  -  +  - ]:           1 :     auto another_second_index{chainman->GetBlockTreeEntry(second_hash)};
     878   [ +  -  +  -  :           2 :     BOOST_CHECK(another_second_index);
                   +  - ]
     879         [ +  - ]:           1 :     auto another_second_height{another_second_index->GetHeight()};
     880         [ +  - ]:           1 :     auto second_block_hash{second_block.GetHash()};
     881   [ +  -  +  -  :           3 :     check_equal(second_block_hash.ToBytes(), second_hash.ToBytes());
                   +  - ]
     882   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(second_height, another_second_height);
     883         [ +  - ]:           2 : }
     884                 :             : 
     885                 :           1 : void chainman_reindex_chainstate_test(TestDirectory& test_directory)
     886                 :             : {
     887                 :           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
     888   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::MAINNET)};
                   -  + ]
     889                 :           1 :     auto chainman{create_chainman(
     890                 :             :         test_directory, /*reindex=*/false, /*wipe_chainstate=*/true,
     891         [ +  - ]:           1 :         /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
     892                 :             : 
     893                 :           1 :     std::vector<std::string> import_files;
     894   [ +  -  +  -  :           6 :     import_files.push_back(PathToString(test_directory.m_directory / "blocks" / "blk00000.dat"));
          +  -  -  +  +  
                      - ]
     895   [ +  -  -  +  :           2 :     BOOST_CHECK(chainman->ImportBlocks(import_files));
             +  -  +  - ]
     896         [ +  - ]:           2 : }
     897                 :             : 
     898                 :           1 : void chainman_mainnet_validation_test(TestDirectory& test_directory)
     899                 :             : {
     900                 :           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
     901         [ +  - ]:           1 :     auto validation_interface{std::make_shared<TestValidationInterface>()};
     902   [ +  -  +  -  :           4 :     auto context{create_context(notifications, ChainType::MAINNET, validation_interface)};
             +  -  +  - ]
     903                 :           1 :     auto chainman{create_chainman(
     904                 :             :         test_directory, /*reindex=*/false, /*wipe_chainstate=*/false,
     905         [ +  - ]:           1 :         /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
     906                 :             : 
     907                 :             :     // mainnet block 1
     908         [ +  - ]:           1 :     auto raw_block = hex_string_to_byte_vec("010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e857233e0e61bc6649ffff001d01e362990101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0704ffff001d0104ffffffff0100f2052a0100000043410496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52da7589379515d4e0a604f8141781e62294721166bf621e73a82cbf2342c858eeac00000000");
     909   [ -  +  +  - ]:           1 :     Block block{raw_block};
     910         [ +  - ]:           1 :     BlockHeader header{block.GetHeader()};
     911   [ +  -  +  - ]:           1 :     TransactionView tx{block.GetTransaction(block.CountTransactions() - 1)};
     912   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(byte_span_to_hex_string_reversed(tx.Txid().ToBytes()), "0e3e2357e806b6cdb1f70b54c3a3a17b6714ee1f0e68bebb44a74b1efd512098");
             +  -  +  - ]
     913   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Version(), 1);
                   +  - ]
     914   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Timestamp(), 1231469665);
                   +  - ]
     915   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Bits(), 0x1d00ffff);
                   +  - ]
     916   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(header.Nonce(), 2573394689);
                   +  - ]
     917   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(tx.CountInputs(), 1);
                   +  - ]
     918         [ +  - ]:           1 :     Transaction tx2 = tx;
     919   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(tx2.CountInputs(), 1);
                   +  - ]
     920   [ +  -  +  -  :           3 :     for (auto transaction : block.Transactions()) {
                   +  - ]
     921   [ +  -  +  -  :           1 :         BOOST_CHECK_EQUAL(transaction.CountInputs(), 1);
                   +  - ]
     922                 :             :     }
     923         [ +  - ]:           2 :     auto output_counts = *(block.Transactions() | std::views::transform([](const auto& tx) {
     924                 :           1 :                                return tx.CountOutputs();
     925         [ +  - ]:           1 :                            })).begin();
     926   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(output_counts, 1);
     927                 :             : 
     928         [ +  - ]:           1 :     validation_interface->m_expected_valid_block.emplace(raw_block);
     929         [ +  - ]:           1 :     auto ser_block{block.ToBytes()};
     930   [ -  +  -  +  :           1 :     check_equal(ser_block, raw_block);
                   +  - ]
     931                 :           1 :     bool new_block = false;
     932   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman->ProcessBlock(block, &new_block));
             +  -  +  - ]
     933   [ +  -  +  - ]:           2 :     BOOST_CHECK(new_block);
     934                 :             : 
     935                 :           1 :     validation_interface->m_expected_valid_block = std::nullopt;
     936                 :           1 :     new_block = false;
     937   [ +  -  +  - ]:           2 :     Block invalid_block{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[REGTEST_BLOCK_DATA.size() - 1])};
     938   [ +  -  +  -  :           2 :     BOOST_CHECK(!chainman->ProcessBlock(invalid_block, &new_block));
             +  -  +  - ]
     939   [ +  -  +  -  :           2 :     BOOST_CHECK(!new_block);
                   +  - ]
     940                 :             : 
     941         [ +  - ]:           1 :     auto chain{chainman->GetChain()};
     942   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(chain.Height(), 1);
                   +  - ]
     943         [ +  - ]:           1 :     auto tip{chain.Entries().back()};
     944         [ +  - ]:           1 :     auto read_block{chainman->ReadBlock(tip)};
     945   [ +  -  +  -  :           2 :     BOOST_REQUIRE(read_block);
                   -  + ]
     946   [ -  +  +  -  :           1 :     check_equal(read_block.value().ToBytes(), raw_block);
          +  -  -  +  +  
                      - ]
     947                 :             : 
     948                 :             :     // Check that we can read the previous block
     949         [ +  - ]:           1 :     BlockTreeEntry tip_2{*tip.GetPrevious()};
     950         [ +  - ]:           1 :     Block read_block_2{*chainman->ReadBlock(tip_2)};
     951   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(chainman->ReadBlockSpentOutputs(tip_2).Count(), 0);
                   +  - ]
     952   [ +  -  +  -  :           2 :     BOOST_CHECK_EQUAL(chainman->ReadBlockSpentOutputs(tip).Count(), 0);
                   +  - ]
     953                 :             : 
     954                 :             :     // It should be an error if we go another block back, since the genesis has no ancestor
     955   [ +  -  +  -  :           2 :     BOOST_CHECK(!tip_2.GetPrevious());
             +  -  +  - ]
     956                 :             : 
     957                 :             :     // If we try to validate it again, it should be a duplicate
     958   [ +  -  +  -  :           2 :     BOOST_CHECK(chainman->ProcessBlock(block, &new_block));
             +  -  +  - ]
     959   [ +  -  +  - ]:           2 :     BOOST_CHECK(!new_block);
     960   [ +  -  +  - ]:           3 : }
     961                 :             : 
     962   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_check_block_context_free)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
     963                 :             : {
     964                 :           1 :     constexpr size_t MERKLE_ROOT_OFFSET{4 + 32};
     965                 :           1 :     constexpr size_t NBITS_OFFSET{4 + 32 + 32 + 4};
     966                 :           1 :     constexpr size_t COINBASE_PREVOUT_N_OFFSET{4 + 32 + 32 + 4 + 4 + 4 + 1 + 4 + 1 + 32};
     967                 :             : 
     968                 :             :     // Mainnet block 1
     969                 :           1 :     auto raw_block = hex_string_to_byte_vec("010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e857233e0e61bc6649ffff001d01e362990101000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0704ffff001d0104ffffffff0100f2052a0100000043410496b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52da7589379515d4e0a604f8141781e62294721166bf621e73a82cbf2342c858eeac00000000");
     970                 :             : 
     971                 :             :     // Context-free block checks still need consensus params for the optional
     972                 :             :     // proof-of-work validation path.
     973         [ +  - ]:           1 :     ChainParams mainnet_params{ChainType::MAINNET};
     974         [ +  - ]:           1 :     auto consensus_params = mainnet_params.GetConsensusParams();
     975                 :             : 
     976   [ -  +  +  - ]:           1 :     Block block{raw_block};
     977         [ +  - ]:           1 :     BlockValidationState state;
     978                 :             : 
     979   [ +  -  +  -  :           2 :     BOOST_CHECK(block.Check(consensus_params, BlockCheckFlags::BASE, state));
             +  -  +  - ]
     980   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
     981                 :             : 
     982   [ +  -  +  -  :           2 :     BOOST_CHECK(block.Check(consensus_params, BlockCheckFlags::ALL, state));
             +  -  +  - ]
     983   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
     984                 :             : 
     985         [ +  - ]:           1 :     auto bad_merkle_block_data = raw_block;
     986         [ -  + ]:           1 :     bad_merkle_block_data[MERKLE_ROOT_OFFSET] ^= std::byte{0x01};
     987   [ -  +  +  - ]:           1 :     Block bad_merkle_block{bad_merkle_block_data};
     988                 :             : 
     989   [ +  -  +  -  :           2 :     BOOST_CHECK(!bad_merkle_block.Check(consensus_params, BlockCheckFlags::MERKLE, state));
             +  -  +  - ]
     990   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::INVALID);
             +  -  +  - ]
     991   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetBlockValidationResult() == BlockValidationResult::MUTATED);
             +  -  +  - ]
     992                 :             : 
     993   [ +  -  +  -  :           2 :     BOOST_CHECK(bad_merkle_block.Check(consensus_params, BlockCheckFlags::BASE, state));
             +  -  +  - ]
     994   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
     995                 :             : 
     996         [ +  - ]:           1 :     auto bad_pow_block_data = raw_block;
     997         [ -  + ]:           1 :     bad_pow_block_data[NBITS_OFFSET + 3] = std::byte{0x1c};
     998   [ -  +  +  - ]:           1 :     Block bad_pow_block{bad_pow_block_data};
     999                 :             : 
    1000   [ +  -  +  -  :           2 :     BOOST_CHECK(!bad_pow_block.Check(consensus_params, BlockCheckFlags::POW, state));
             +  -  +  - ]
    1001   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::INVALID);
             +  -  +  - ]
    1002   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetBlockValidationResult() == BlockValidationResult::INVALID_HEADER);
             +  -  +  - ]
    1003                 :             : 
    1004   [ +  -  +  -  :           2 :     BOOST_CHECK(bad_pow_block.Check(consensus_params, BlockCheckFlags::MERKLE, state));
             +  -  +  - ]
    1005   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
    1006                 :             : 
    1007         [ +  - ]:           1 :     auto bad_base_block_data = raw_block;
    1008         [ -  + ]:           1 :     bad_base_block_data[COINBASE_PREVOUT_N_OFFSET] = std::byte{0x00};
    1009   [ -  +  +  - ]:           1 :     Block bad_base_block{bad_base_block_data};
    1010                 :             : 
    1011   [ +  -  +  -  :           2 :     BOOST_CHECK(!bad_base_block.Check(consensus_params, BlockCheckFlags::BASE, state));
             +  -  +  - ]
    1012   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetValidationMode() == ValidationMode::INVALID);
             +  -  +  - ]
    1013   [ +  -  +  -  :           2 :     BOOST_CHECK(state.GetBlockValidationResult() == BlockValidationResult::CONSENSUS);
             +  -  +  - ]
    1014                 :             : 
    1015                 :             :     // Test with invalid truncated block data.
    1016         [ +  - ]:           1 :     auto truncated_block_data = hex_string_to_byte_vec("010000006fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000982051fd1e4ba744bbbe680e1fee14677ba1a3c3540bf7b1cdb606e857233e0e61bc6649ffff001d01e36299");
    1017   [ +  -  -  +  :           2 :     BOOST_CHECK_EXCEPTION(Block{truncated_block_data}, std::runtime_error,
          -  +  -  -  -  
          -  -  +  +  -  
             +  -  +  - ]
    1018                 :             :                           HasReason{"failed to instantiate btck object"});
    1019                 :           1 : }
    1020                 :             : 
    1021   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_chainman_mainnet_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1022                 :             : {
    1023         [ +  - ]:           1 :     auto test_directory{TestDirectory{"mainnet_test_bitcoin_kernel"}};
    1024         [ +  - ]:           1 :     chainman_mainnet_validation_test(test_directory);
    1025         [ +  - ]:           1 :     chainman_reindex_test(test_directory);
    1026         [ +  - ]:           1 :     chainman_reindex_chainstate_test(test_directory);
    1027                 :           1 : }
    1028                 :             : 
    1029   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_block_hash_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1030                 :             : {
    1031                 :           1 :     std::array<std::byte, 32> test_hash;
    1032                 :           1 :     std::array<std::byte, 32> test_hash_2;
    1033         [ +  + ]:          33 :     for (int i = 0; i < 32; ++i) {
    1034                 :          32 :         test_hash[i] = static_cast<std::byte>(i);
    1035                 :          32 :         test_hash_2[i] = static_cast<std::byte>(i + 1);
    1036                 :             :     }
    1037                 :           1 :     BlockHash block_hash{test_hash};
    1038         [ +  - ]:           1 :     BlockHash block_hash_2{test_hash_2};
    1039   [ +  -  +  -  :           2 :     BOOST_CHECK(block_hash != block_hash_2);
             +  -  +  - ]
    1040   [ +  -  +  -  :           2 :     BOOST_CHECK(block_hash == block_hash);
             +  -  +  - ]
    1041   [ +  -  +  -  :           2 :     CheckHandle(block_hash, block_hash_2);
                   +  - ]
    1042                 :           1 : }
    1043                 :             : 
    1044   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_block_tree_entry_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1045                 :             : {
    1046         [ +  - ]:           1 :     auto test_directory{TestDirectory{"block_tree_entry_test_bitcoin_kernel"}};
    1047         [ +  - ]:           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
    1048   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::REGTEST)};
                   -  + ]
    1049                 :           1 :     auto chainman{create_chainman(
    1050                 :             :         test_directory,
    1051                 :             :         /*reindex=*/false,
    1052                 :             :         /*wipe_chainstate=*/false,
    1053                 :             :         /*block_tree_db_in_memory=*/true,
    1054                 :             :         /*chainstate_db_in_memory=*/true,
    1055         [ +  - ]:           1 :         context)};
    1056                 :             : 
    1057                 :             :     // Process a couple of blocks
    1058         [ +  + ]:           4 :     for (size_t i{0}; i < 3; i++) {
    1059   [ +  -  +  - ]:           6 :         Block block{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[i])};
    1060                 :           3 :         bool new_block{false};
    1061         [ +  - ]:           3 :         chainman->ProcessBlock(block, &new_block);
    1062   [ +  -  +  - ]:           6 :         BOOST_CHECK(new_block);
    1063                 :           3 :     }
    1064                 :             : 
    1065         [ +  - ]:           1 :     auto chain{chainman->GetChain()};
    1066         [ +  - ]:           1 :     auto entry_0{chain.GetByHeight(0)};
    1067         [ +  - ]:           1 :     auto entry_1{chain.GetByHeight(1)};
    1068         [ +  - ]:           1 :     auto entry_2{chain.GetByHeight(2)};
    1069                 :             : 
    1070                 :             :     // Test inequality
    1071   [ +  -  +  -  :           2 :     BOOST_CHECK(entry_0 != entry_1);
             +  -  +  - ]
    1072   [ +  -  +  -  :           2 :     BOOST_CHECK(entry_1 != entry_2);
             +  -  +  - ]
    1073   [ +  -  +  -  :           2 :     BOOST_CHECK(entry_0 != entry_2);
             +  -  +  - ]
    1074                 :             : 
    1075                 :             :     // Test equality with same entry
    1076   [ +  -  +  -  :           3 :     BOOST_CHECK(entry_0 == chain.GetByHeight(0));
             +  -  +  - ]
    1077   [ +  -  +  -  :           2 :     BOOST_CHECK(entry_0 == BlockTreeEntry{entry_0});
             +  -  +  - ]
    1078   [ +  -  +  -  :           2 :     BOOST_CHECK(entry_1 == entry_1);
             +  -  +  - ]
    1079                 :             : 
    1080                 :             :     // Test GetPrevious
    1081         [ +  - ]:           1 :     auto prev{entry_1.GetPrevious()};
    1082   [ +  -  +  -  :           2 :     BOOST_CHECK(prev.has_value());
                   +  - ]
    1083   [ +  -  +  -  :           2 :     BOOST_CHECK(prev.value() == entry_0);
          +  -  +  -  +  
                      - ]
    1084                 :             : 
    1085                 :             :     // Test GetAncestor
    1086   [ +  -  +  -  :           3 :     BOOST_CHECK(entry_2.GetAncestor(2) == entry_2);
             +  -  +  - ]
    1087   [ +  -  +  -  :           3 :     BOOST_CHECK(entry_2.GetAncestor(1) == entry_1);
             +  -  +  - ]
    1088   [ +  -  +  -  :           3 :     BOOST_CHECK(entry_2.GetAncestor(0) == entry_0);
                   +  - ]
    1089         [ +  - ]:           2 : }
    1090                 :             : 
    1091   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_chainman_in_memory_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1092                 :             : {
    1093         [ +  - ]:           1 :     auto in_memory_test_directory{TestDirectory{"in-memory_test_bitcoin_kernel"}};
    1094                 :             : 
    1095         [ +  - ]:           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
    1096   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::REGTEST)};
                   -  + ]
    1097                 :           1 :     auto chainman{create_chainman(
    1098                 :             :         in_memory_test_directory, /*reindex=*/false, /*wipe_chainstate=*/false,
    1099         [ +  - ]:           1 :         /*block_tree_db_in_memory=*/true, /*chainstate_db_in_memory=*/true, context)};
    1100                 :             : 
    1101         [ +  + ]:         207 :     for (auto& raw_block : REGTEST_BLOCK_DATA) {
    1102   [ +  -  +  - ]:         412 :         Block block{hex_string_to_byte_vec(raw_block)};
    1103                 :         206 :         bool new_block{false};
    1104         [ +  - ]:         206 :         chainman->ProcessBlock(block, &new_block);
    1105   [ +  -  +  - ]:         412 :         BOOST_CHECK(new_block);
    1106                 :         206 :     }
    1107                 :             : 
    1108   [ +  -  +  -  :           5 :     BOOST_CHECK(fs::exists(in_memory_test_directory.m_directory / "blocks"));
          +  -  +  -  +  
                -  +  - ]
    1109   [ +  -  +  -  :           7 :     BOOST_CHECK(!fs::exists(in_memory_test_directory.m_directory / "blocks" / "index"));
          +  -  +  -  +  
             -  +  -  +  
                      - ]
    1110   [ +  -  +  -  :           5 :     BOOST_CHECK(!fs::exists(in_memory_test_directory.m_directory / "chainstate"));
          +  -  +  -  +  
                -  +  - ]
    1111                 :             : 
    1112   [ +  -  +  -  :           2 :     BOOST_CHECK(context.interrupt());
                   +  - ]
    1113         [ +  - ]:           2 : }
    1114                 :             : 
    1115   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_chainman_regtest_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1116                 :             : {
    1117         [ +  - ]:           1 :     auto test_directory{TestDirectory{"regtest_test_bitcoin_kernel"}};
    1118                 :             : 
    1119         [ +  - ]:           1 :     auto notifications{std::make_shared<TestKernelNotifications>()};
    1120   [ +  -  +  -  :           3 :     auto context{create_context(notifications, ChainType::REGTEST)};
                   -  + ]
    1121                 :             : 
    1122                 :           1 :     {
    1123                 :           1 :         auto chainman{create_chainman(
    1124                 :             :             test_directory, /*reindex=*/false, /*wipe_chainstate=*/false,
    1125         [ +  - ]:           1 :             /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
    1126         [ +  + ]:         207 :         for (const auto& data : REGTEST_BLOCK_DATA) {
    1127   [ +  -  +  - ]:         412 :             Block block{hex_string_to_byte_vec(data)};
    1128         [ +  - ]:         206 :             BlockHeader header = block.GetHeader();
    1129         [ +  - ]:         206 :             BlockValidationState state = chainman->ProcessBlockHeader(header);
    1130   [ +  -  +  -  :         412 :             BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
    1131   [ +  -  +  -  :         412 :             BOOST_CHECK(state.GetBlockValidationResult() == BlockValidationResult::UNSET);
             +  -  +  - ]
    1132   [ +  -  +  - ]:         206 :             BlockTreeEntry entry{*chainman->GetBlockTreeEntry(header.Hash())};
    1133   [ +  -  +  -  :         618 :             BOOST_CHECK(!chainman->GetChain().Contains(entry));
             +  -  +  - ]
    1134         [ +  - ]:         206 :             BlockTreeEntry best_entry{chainman->GetBestEntry()};
    1135         [ +  - ]:         206 :             BlockHash hash{entry.GetHash()};
    1136   [ +  -  +  -  :         618 :             BOOST_CHECK(hash == best_entry.GetHeader().Hash());
             +  -  +  - ]
    1137                 :         206 :         }
    1138                 :           1 :     }
    1139                 :             : 
    1140                 :             :     // Validate 206 regtest blocks in total.
    1141                 :             :     // Stop halfway to check that it is possible to continue validating starting
    1142                 :             :     // from prior state.
    1143                 :           1 :     const size_t mid{REGTEST_BLOCK_DATA.size() / 2};
    1144                 :             : 
    1145                 :           1 :     {
    1146                 :           1 :         auto chainman{create_chainman(
    1147                 :             :             test_directory, /*reindex=*/false, /*wipe_chainstate=*/false,
    1148         [ +  - ]:           1 :             /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
    1149         [ +  + ]:         104 :         for (size_t i{0}; i < mid; i++) {
    1150   [ +  -  +  - ]:         206 :             Block block{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[i])};
    1151                 :         103 :             bool new_block{false};
    1152   [ +  -  +  -  :         206 :             BOOST_CHECK(chainman->ProcessBlock(block, &new_block));
             +  -  +  - ]
    1153   [ +  -  +  - ]:         206 :             BOOST_CHECK(new_block);
    1154                 :         103 :         }
    1155                 :           1 :     }
    1156                 :             : 
    1157                 :           1 :     auto chainman{create_chainman(
    1158                 :             :         test_directory, /*reindex=*/false, /*wipe_chainstate=*/false,
    1159         [ +  - ]:           1 :         /*block_tree_db_in_memory=*/false, /*chainstate_db_in_memory=*/false, context)};
    1160                 :             : 
    1161         [ +  + ]:         104 :     for (size_t i{mid}; i < REGTEST_BLOCK_DATA.size(); i++) {
    1162   [ +  -  +  - ]:         206 :         Block block{hex_string_to_byte_vec(REGTEST_BLOCK_DATA[i])};
    1163                 :         103 :         bool new_block{false};
    1164   [ +  -  +  -  :         206 :         BOOST_CHECK(chainman->ProcessBlock(block, &new_block));
             +  -  +  - ]
    1165   [ +  -  +  - ]:         206 :         BOOST_CHECK(new_block);
    1166                 :         103 :     }
    1167                 :             : 
    1168         [ +  - ]:           1 :     auto chain = chainman->GetChain();
    1169         [ +  - ]:           1 :     auto tip = chain.Entries().back();
    1170         [ +  - ]:           2 :     auto read_block = chainman->ReadBlock(tip).value();
    1171   [ +  -  +  -  :           3 :     check_equal(read_block.ToBytes(), hex_string_to_byte_vec(REGTEST_BLOCK_DATA[REGTEST_BLOCK_DATA.size() - 1]));
             -  +  +  - ]
    1172                 :             : 
    1173         [ +  - ]:           1 :     auto tip_2 = tip.GetPrevious().value();
    1174         [ +  - ]:           2 :     auto read_block_2 = chainman->ReadBlock(tip_2).value();
    1175   [ +  -  +  -  :           3 :     check_equal(read_block_2.ToBytes(), hex_string_to_byte_vec(REGTEST_BLOCK_DATA[REGTEST_BLOCK_DATA.size() - 2]));
             -  +  +  - ]
    1176                 :             : 
    1177   [ +  -  +  - ]:           1 :     Txid txid = read_block.Transactions()[0].Txid();
    1178   [ +  -  +  - ]:           1 :     Txid txid_2 = read_block_2.Transactions()[0].Txid();
    1179   [ +  -  +  -  :           2 :     BOOST_CHECK(txid != txid_2);
             +  -  +  - ]
    1180   [ +  -  +  -  :           2 :     BOOST_CHECK(txid == txid);
             +  -  +  - ]
    1181   [ +  -  +  -  :           2 :     CheckHandle(txid, txid_2);
                   +  - ]
    1182                 :             : 
    1183                 :          60 :     auto find_transaction = [&chainman](const TxidView& target_txid) -> std::optional<Transaction> {
    1184                 :          59 :         auto chain = chainman->GetChain();
    1185         [ +  - ]:       12504 :         for (const auto block_tree_entry : chain.Entries()) {
    1186                 :        6252 :             auto block{chainman->ReadBlock(block_tree_entry)};
    1187   [ +  -  +  -  :       33662 :             for (const TransactionView transaction : block->Transactions()) {
                   +  - ]
    1188   [ +  -  +  + ]:       15024 :                 if (transaction.Txid() == target_txid) {
    1189         [ +  - ]:          59 :                     return Transaction{transaction};
    1190                 :             :                 }
    1191                 :             :             }
    1192                 :        6252 :         }
    1193                 :           0 :         return std::nullopt;
    1194                 :           1 :     };
    1195                 :             : 
    1196   [ +  -  +  -  :         415 :     for (const auto block_tree_entry : chain.Entries()) {
                   +  - ]
    1197         [ +  - ]:         207 :         auto block{chainman->ReadBlock(block_tree_entry)};
    1198   [ +  -  +  -  :         934 :         for (const auto transaction : block->Transactions()) {
                   +  - ]
    1199                 :         260 :             std::vector<TransactionInput> inputs;
    1200                 :         260 :             std::vector<TransactionOutput> spent_outputs;
    1201   [ +  -  +  -  :         792 :             for (const auto input : transaction.Inputs()) {
                   +  - ]
    1202         [ +  - ]:         266 :                 OutPointView point = input.OutPoint();
    1203   [ +  -  +  + ]:         266 :                 if (point.index() == std::numeric_limits<uint32_t>::max()) {
    1204                 :         207 :                     continue;
    1205                 :             :                 }
    1206         [ +  - ]:          59 :                 inputs.emplace_back(input);
    1207   [ +  -  +  -  :         177 :                 BOOST_CHECK(point.Txid() != transaction.Txid());
          +  -  +  -  +  
                      - ]
    1208   [ +  -  +  - ]:          59 :                 std::optional<Transaction> tx = find_transaction(point.Txid());
    1209   [ +  -  +  -  :         118 :                 BOOST_CHECK(tx.has_value());
                   +  - ]
    1210   [ +  -  +  -  :         177 :                 BOOST_CHECK(point.Txid() == tx->Txid());
          +  -  +  -  +  
                      - ]
    1211   [ +  -  +  -  :          59 :                 spent_outputs.emplace_back(tx->GetOutput(point.index()));
                   +  - ]
    1212                 :          59 :             }
    1213   [ +  -  -  +  :         520 :             BOOST_CHECK(inputs.size() == spent_outputs.size());
          -  +  +  -  +  
                      - ]
    1214                 :         260 :             ScriptVerifyStatus status = ScriptVerifyStatus::OK;
    1215   [ +  -  -  +  :         260 :             const PrecomputedTransactionData precomputed_txdata{transaction, spent_outputs};
                   +  - ]
    1216   [ -  +  +  + ]:         319 :             for (size_t i{0}; i < inputs.size(); ++i) {
    1217   [ +  -  +  -  :         118 :                 BOOST_CHECK(spent_outputs[i].GetScriptPubkey().Verify(spent_outputs[i].Amount(), transaction, &precomputed_txdata, i, ScriptVerificationFlags::ALL, status));
          +  -  +  -  +  
                -  +  - ]
    1218                 :             :             }
    1219                 :         260 :         }
    1220                 :         207 :     }
    1221                 :             : 
    1222                 :             :     // Read spent outputs for current tip and its previous block
    1223         [ +  - ]:           1 :     BlockSpentOutputs block_spent_outputs{chainman->ReadBlockSpentOutputs(tip)};
    1224   [ +  -  +  - ]:           1 :     BlockSpentOutputs block_spent_outputs_prev{chainman->ReadBlockSpentOutputs(*tip.GetPrevious())};
    1225   [ +  -  +  -  :           2 :     CheckHandle(block_spent_outputs, block_spent_outputs_prev);
                   +  - ]
    1226   [ +  -  +  - ]:           1 :     CheckRange(block_spent_outputs_prev.TxsSpentOutputs(), block_spent_outputs_prev.Count());
    1227   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(block_spent_outputs.Count(), 1);
                   +  - ]
    1228                 :             : 
    1229                 :             :     // Get transaction spent outputs from the last transaction in the two blocks
    1230   [ +  -  +  - ]:           1 :     TransactionSpentOutputsView transaction_spent_outputs{block_spent_outputs.GetTxSpentOutputs(block_spent_outputs.Count() - 1)};
    1231         [ +  - ]:           1 :     TransactionSpentOutputs owned_transaction_spent_outputs{transaction_spent_outputs};
    1232   [ +  -  +  - ]:           1 :     TransactionSpentOutputs owned_transaction_spent_outputs_prev{block_spent_outputs_prev.GetTxSpentOutputs(block_spent_outputs_prev.Count() - 1)};
    1233   [ +  -  +  -  :           2 :     CheckHandle(owned_transaction_spent_outputs, owned_transaction_spent_outputs_prev);
                   +  - ]
    1234   [ +  -  +  - ]:           1 :     CheckRange(transaction_spent_outputs.Coins(), transaction_spent_outputs.Count());
    1235                 :             : 
    1236                 :             :     // Get the last coin from the transaction spent outputs
    1237   [ +  -  +  - ]:           1 :     CoinView coin{transaction_spent_outputs.GetCoin(transaction_spent_outputs.Count() - 1)};
    1238   [ +  -  +  -  :           2 :     BOOST_CHECK(!coin.IsCoinbase());
             +  -  +  - ]
    1239         [ +  - ]:           1 :     Coin owned_coin{coin};
    1240   [ +  -  +  - ]:           1 :     Coin owned_coin_prev{owned_transaction_spent_outputs_prev.GetCoin(owned_transaction_spent_outputs_prev.Count() - 1)};
    1241   [ +  -  +  -  :           2 :     CheckHandle(owned_coin, owned_coin_prev);
                   +  - ]
    1242                 :             : 
    1243                 :             :     // Validate coin properties
    1244         [ +  - ]:           1 :     TransactionOutputView output = coin.GetOutput();
    1245         [ +  - ]:           1 :     uint32_t coin_height = coin.GetConfirmationHeight();
    1246   [ +  -  +  - ]:           1 :     BOOST_CHECK_EQUAL(coin_height, 143);
    1247   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(output.Amount(), 3949990974);
                   +  - ]
    1248                 :             : 
    1249                 :             :     // Test script pubkey serialization
    1250         [ +  - ]:           1 :     auto script_pubkey = output.GetScriptPubkey();
    1251         [ +  - ]:           1 :     auto script_pubkey_bytes{script_pubkey.ToBytes()};
    1252   [ +  -  -  +  :           1 :     BOOST_CHECK_EQUAL(script_pubkey_bytes.size(), 34);
                   +  - ]
    1253   [ -  +  +  - ]:           1 :     auto round_trip_script_pubkey{ScriptPubkey(script_pubkey_bytes)};
    1254   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(round_trip_script_pubkey.ToBytes().size(), 34);
             -  +  +  - ]
    1255                 :             : 
    1256   [ +  -  +  -  :           3 :     for (const auto tx_spent_outputs : block_spent_outputs.TxsSpentOutputs()) {
                   +  - ]
    1257   [ +  -  +  -  :           4 :         for (const auto coins : tx_spent_outputs.Coins()) {
                   +  - ]
    1258   [ +  -  +  -  :           2 :             BOOST_CHECK_GT(coins.GetOutput().Amount(), 1);
                   +  - ]
    1259                 :             :         }
    1260                 :             :     }
    1261                 :             : 
    1262   [ +  -  +  - ]:           1 :     CheckRange(chain.Entries(), chain.CountEntries());
    1263                 :             : 
    1264   [ +  -  +  -  :         415 :     for (const BlockTreeEntry entry : chain.Entries()) {
                   +  - ]
    1265         [ +  - ]:         207 :         std::optional<Block> block{chainman->ReadBlock(entry)};
    1266         [ +  - ]:         207 :         if (block) {
    1267   [ +  -  +  -  :         934 :             for (const TransactionView transaction : block->Transactions()) {
                   +  - ]
    1268   [ +  -  +  -  :        1564 :                 for (const TransactionOutputView output : transaction.Outputs()) {
                   +  - ]
    1269                 :             :                     // skip data carrier outputs
    1270   [ +  -  +  + ]:        1044 :                     if ((unsigned char)output.GetScriptPubkey().ToBytes()[0] == 0x6a) {
    1271                 :         206 :                         continue;
    1272                 :             :                     }
    1273   [ +  -  +  -  :         522 :                     BOOST_CHECK_GT(output.Amount(), 1);
                   +  - ]
    1274                 :             :                 }
    1275                 :             :             }
    1276                 :             :         }
    1277                 :         207 :     }
    1278                 :             : 
    1279                 :           1 :     int32_t count{0};
    1280   [ +  -  +  -  :         415 :     for (const auto entry : chain.Entries()) {
                   +  - ]
    1281   [ +  -  +  -  :         207 :         BOOST_CHECK_EQUAL(entry.GetHeight(), count);
                   +  - ]
    1282                 :         207 :         ++count;
    1283                 :             :     }
    1284   [ +  -  +  -  :           1 :     BOOST_CHECK_EQUAL(count, chain.CountEntries());
                   +  - ]
    1285                 :             : 
    1286                 :             : 
    1287   [ +  -  +  -  :           5 :     fs::remove(test_directory.m_directory / "blocks" / "blk00000.dat");
             +  -  +  - ]
    1288   [ +  -  +  -  :           2 :     BOOST_CHECK(!chainman->ReadBlock(tip_2).has_value());
             +  -  +  - ]
    1289   [ +  -  +  -  :           5 :     fs::remove(test_directory.m_directory / "blocks" / "rev00000.dat");
             +  -  +  - ]
    1290   [ +  -  -  +  :           2 :     BOOST_CHECK_THROW(chainman->ReadBlockSpentOutputs(tip), std::runtime_error);
          -  -  -  -  -  
             +  +  -  +  
                      - ]
    1291         [ +  - ]:           2 : }
    1292                 :             : 
    1293                 :             : // -----------------------------------------------------------------------------
    1294                 :             : // CheckTransaction tests
    1295                 :             : //
    1296                 :             : // Transaction hex below is copied from src/test/data/tx_invalid.json (entries
    1297                 :             : // marked "BADTX") and tx_valid.json. CheckTransaction performs only basic context-free
    1298                 :             : // consensus checks and can only produce two outcomes:
    1299                 :             : //   - VALID  (ValidationMode::VALID, TxValidationResult::UNSET)
    1300                 :             : //   - INVALID (ValidationMode::INVALID, TxValidationResult::CONSENSUS)
    1301                 :             : // Other TxValidationResult values are set by higher-level validation and are
    1302                 :             : // not reachable through btck_transaction_check.
    1303                 :             : // -----------------------------------------------------------------------------
    1304   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(btck_transaction_check_tests)
          +  -  +  -  -  
          +  +  -  +  -  
          +  -  +  -  +  
          -  -  +  +  -  
          +  -  +  -  +  
          -  +  -  -  +  
          +  -  +  -  +  
          -  +  -  +  -  
          -  +  +  -  +  
          -  +  -  +  -  
          +  -  -  +  +  
                      - ]
    1305                 :             : {
    1306                 :           1 :     using namespace btck;
    1307                 :             : 
    1308                 :           1 :     constexpr std::string_view valid_tx_hex{
    1309                 :             :         "01000000010001000000000000000000000000000000000000000000000000000000000000"
    1310                 :             :         "000000006a473044022067288ea50aa799543a536ff9306f8e1cba05b9c6b10951175b92"
    1311                 :             :         "4f96732555ed022026d7b5265f38d21541519e4a1e55044d5b9e17e15cdbaf29ae3792e9"
    1312                 :             :         "9e883e7a012103ba8c8b86dea131c22ab967e6dd99bdae8eff7a1f75a2c35f1f944109e3"
    1313                 :             :         "fe5e22ffffffff010000000000000000015100000000"};
    1314                 :           1 :     constexpr std::string_view no_outputs_tx_hex{
    1315                 :             :         "01000000010001000000000000000000000000000000000000000000000000000000000000"
    1316                 :             :         "000000006d483045022100f16703104aab4e4088317c862daec83440242411b039d14280e0"
    1317                 :             :         "3dd33b487ab802201318a7be236672c5c56083eb7a5a195bc57a40af7923ff8545016cd3b5"
    1318                 :             :         "71e2a601232103c40e5d339df3f30bf753e7e04450ae4ef76c9e45587d1d993bdc4cd06f06"
    1319                 :             :         "51c7acffffffff0000000000"};
    1320                 :             : 
    1321                 :           3 :     auto expect_valid = [](std::string_view hex) {
    1322   [ -  +  +  - ]:           2 :         Transaction tx{hex_string_to_byte_vec(hex)};
    1323         [ +  - ]:           2 :         TxValidationState st;
    1324   [ +  -  +  -  :           4 :         BOOST_CHECK(CheckTransaction(tx, st));
             +  -  +  - ]
    1325   [ +  -  +  -  :           4 :         BOOST_CHECK(st.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
    1326   [ +  -  +  -  :           4 :         BOOST_CHECK(st.GetTxValidationResult() == TxValidationResult::UNSET);
             +  -  +  - ]
    1327                 :           2 :     };
    1328                 :             : 
    1329                 :           9 :     auto expect_invalid = [](std::string_view hex) {
    1330   [ -  +  +  - ]:           8 :         Transaction tx{hex_string_to_byte_vec(hex)};
    1331         [ +  - ]:           8 :         TxValidationState st;
    1332   [ +  -  +  -  :          16 :         BOOST_CHECK(!CheckTransaction(tx, st));
             +  -  +  - ]
    1333   [ +  -  +  -  :          16 :         BOOST_CHECK(st.GetValidationMode() == ValidationMode::INVALID);
             +  -  +  - ]
    1334   [ +  -  +  -  :          16 :         BOOST_CHECK(st.GetTxValidationResult() == TxValidationResult::CONSENSUS);
             +  -  +  - ]
    1335                 :           8 :     };
    1336                 :             : 
    1337                 :             :     // Valid: simple 1-in 1-out transaction (from tx_valid.json)
    1338                 :           1 :     expect_valid(valid_tx_hex);
    1339                 :             : 
    1340                 :             :     // Valid coinbase with scriptSig size 2 (from tx_valid.json)
    1341                 :           1 :     expect_valid(
    1342                 :             :         "01000000010000000000000000000000000000000000000000000000000000000000000000"
    1343                 :             :         "ffffffff025151ffffffff010000000000000000015100000000");
    1344                 :             : 
    1345                 :             :     // No outputs (BADTX from tx_invalid.json)
    1346                 :           1 :     expect_invalid(no_outputs_tx_hex);
    1347                 :             : 
    1348                 :           1 :     {
    1349   [ -  +  +  - ]:           1 :         Transaction valid_tx{hex_string_to_byte_vec(valid_tx_hex)};
    1350   [ +  -  +  - ]:           2 :         Transaction invalid_tx{hex_string_to_byte_vec(no_outputs_tx_hex)};
    1351         [ +  - ]:           1 :         TxValidationState state;
    1352                 :             : 
    1353   [ +  -  +  -  :           2 :         BOOST_CHECK(btck_transaction_check(valid_tx.get(), state.get()) == 1);
             +  -  +  - ]
    1354   [ +  -  +  -  :           2 :         BOOST_CHECK(state.GetValidationMode() == ValidationMode::VALID);
             +  -  +  - ]
    1355   [ +  -  +  -  :           2 :         BOOST_CHECK(state.GetTxValidationResult() == TxValidationResult::UNSET);
             +  -  +  - ]
    1356                 :             : 
    1357   [ +  -  +  -  :           2 :         BOOST_CHECK(btck_transaction_check(invalid_tx.get(), state.get()) == 0);
             +  -  +  - ]
    1358   [ +  -  +  -  :           2 :         BOOST_CHECK(state.GetValidationMode() == ValidationMode::INVALID);
             +  -  +  - ]
    1359   [ +  -  +  -  :           2 :         BOOST_CHECK(state.GetTxValidationResult() == TxValidationResult::CONSENSUS);
             +  -  +  - ]
    1360                 :           1 :     }
    1361                 :             : 
    1362                 :             :     // Negative output (BADTX)
    1363                 :           1 :     expect_invalid(
    1364                 :             :         "01000000010001000000000000000000000000000000000000000000000000000000000000"
    1365                 :             :         "000000006d4830450220063222cbb128731fc09de0d7323746539166544d6c1df84d867cce"
    1366                 :             :         "a84bcc8903022100bf568e8552844de664cd41648a031554327aa8844af34b4f27397c65b9"
    1367                 :             :         "2c04de0123210243ec37dee0e2e053a9c976f43147e79bc7d9dc606ea51010af1ac80db6b0"
    1368                 :             :         "69e1acffffffff01ffffffffffffffff015100000000");
    1369                 :             : 
    1370                 :             :     // MAX_MONEY + 1 output (BADTX)
    1371                 :           1 :     expect_invalid(
    1372                 :             :         "01000000010001000000000000000000000000000000000000000000000000000000000000"
    1373                 :             :         "000000006e493046022100e1eadba00d9296c743cb6ecc703fd9ddc9b3cd12906176a226ae"
    1374                 :             :         "4c18d6b00796022100a71aef7d2874deff681ba6080f1b278bac7bb99c61b08a85f4311970"
    1375                 :             :         "ffe7f63f012321030c0588dc44d92bdcbf8e72093466766fdc265ead8db64517b0c542275b"
    1376                 :             :         "70fffbacffffffff010140075af0750700015100000000");
    1377                 :             : 
    1378                 :             :     // MAX_MONEY output + 1 output: sum exceeds MAX_MONEY (BADTX)
    1379                 :           1 :     expect_invalid(
    1380                 :             :         "01000000010001000000000000000000000000000000000000000000000000000000000000"
    1381                 :             :         "000000006d483045022027deccc14aa6668e78a8c9da3484fbcd4f9dcc9bb7d1b85146314b"
    1382                 :             :         "21b9ae4d86022100d0b43dece8cfb07348de0ca8bc5b86276fa88f7f2138381128b7c36ab2"
    1383                 :             :         "e42264012321029bb13463ddd5d2cc05da6e84e37536cb9525703cfd8f43afdb414988987a"
    1384                 :             :         "92f6acffffffff020040075af075070001510001000000000000015100000000");
    1385                 :             : 
    1386                 :             :     // Duplicate inputs (BADTX)
    1387                 :           1 :     expect_invalid(
    1388                 :             :         "01000000020001000000000000000000000000000000000000000000000000000000000000"
    1389                 :             :         "000000006c47304402204bb1197053d0d7799bf1b30cd503c44b58d6240cccbdc85b6fe76d"
    1390                 :             :         "087980208f02204beeed78200178ffc6c74237bb74b3f276bbb4098b5605d814304fe128bf"
    1391                 :             :         "1431012321039e8815e15952a7c3fada1905f8cf55419837133bd7756c0ef14fc8dfe50c0d"
    1392                 :             :         "eaacffffffff0001000000000000000000000000000000000000000000000000000000000000"
    1393                 :             :         "000000006c47304402202306489afef52a6f62e90bf750bbcdf40c06f5c6b138286e6b6b8617"
    1394                 :             :         "6bb9341802200dba98486ea68380f47ebb19a7df173b99e6bc9c681d6ccf3bde31465d1f16"
    1395                 :             :         "b3012321039e8815e15952a7c3fada1905f8cf55419837133bd7756c0ef14fc8dfe50c0dea"
    1396                 :             :         "acffffffff010000000000000000015100000000");
    1397                 :             : 
    1398                 :             :     // Coinbase with scriptSig size 1: too small (BADTX)
    1399                 :           1 :     expect_invalid(
    1400                 :             :         "01000000010000000000000000000000000000000000000000000000000000000000000000"
    1401                 :             :         "ffffffff0151ffffffff010000000000000000015100000000");
    1402                 :             : 
    1403                 :             :     // Coinbase with scriptSig size 101: too large (BADTX)
    1404                 :           1 :     expect_invalid(
    1405                 :             :         "01000000010000000000000000000000000000000000000000000000000000000000000000"
    1406                 :             :         "ffffffff6551515151515151515151515151515151515151515151515151515151515151515151"
    1407                 :             :         "515151515151515151515151515151515151515151515151515151515151515151515151515151"
    1408                 :             :         "51515151515151515151515151515151515151515151515151515151ffffffff01000000000000"
    1409                 :             :         "0000015100000000");
    1410                 :             : 
    1411                 :             :     // Null prevout in non-coinbase: two inputs, one is null (BADTX)
    1412                 :           1 :     expect_invalid(
    1413                 :             :         "01000000020000000000000000000000000000000000000000000000000000000000000000"
    1414                 :             :         "ffffffff00ffffffff000100000000000000000000000000000000000000000000000000000000"
    1415                 :             :         "00000000000000ffffffff010000000000000000015100000000");
    1416                 :           1 : }
        

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