LCOV - code coverage report
Current view: top level - src/test - testnet4_miner_tests.cpp (source / functions) Coverage Total Hit
Test: total_coverage.info Lines: 93.1 % 29 27
Test Date: 2025-03-28 05:06:44 Functions: 100.0 % 3 3
Branches: 50.0 % 128 64

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2025 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 <common/system.h>
       6                 :             : #include <interfaces/mining.h>
       7                 :             : #include <node/miner.h>
       8                 :             : #include <util/time.h>
       9                 :             : #include <validation.h>
      10                 :             : 
      11                 :             : #include <test/util/setup_common.h>
      12                 :             : 
      13                 :             : #include <boost/test/unit_test.hpp>
      14                 :             : 
      15                 :             : using interfaces::BlockTemplate;
      16                 :             : using interfaces::Mining;
      17                 :             : using node::BlockAssembler;
      18                 :             : using node::BlockWaitOptions;
      19                 :             : 
      20                 :             : namespace testnet4_miner_tests {
      21                 :             : 
      22                 :           3 : struct Testnet4MinerTestingSetup : public Testnet4Setup {
      23                 :           1 :     std::unique_ptr<Mining> MakeMining()
      24                 :             :     {
      25                 :           1 :         return interfaces::MakeMining(m_node);
      26                 :             :     }
      27                 :             : };
      28                 :             : } // namespace testnet4_miner_tests
      29                 :             : 
      30                 :             : BOOST_FIXTURE_TEST_SUITE(testnet4_miner_tests, Testnet4MinerTestingSetup)
      31                 :             : 
      32   [ +  -  +  -  :           7 : BOOST_AUTO_TEST_CASE(MiningInterface)
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
                      - ]
      33                 :             : {
      34                 :           1 :     auto mining{MakeMining()};
      35   [ +  -  +  -  :           2 :     BOOST_REQUIRE(mining);
                   +  - ]
      36                 :             : 
      37         [ +  - ]:           1 :     BlockAssembler::Options options;
      38                 :           1 :     std::unique_ptr<BlockTemplate> block_template;
      39                 :             : 
      40                 :             :     // Set node time a few minutes past the testnet4 genesis block
      41   [ +  -  +  -  :           4 :     const int64_t genesis_time{WITH_LOCK(cs_main, return m_node.chainman->ActiveChain().Tip()->GetBlockTime())};
                   +  - ]
      42         [ +  - ]:           1 :     SetMockTime(genesis_time + 3 * 60);
      43                 :             : 
      44         [ +  - ]:           2 :     block_template = mining->createNewBlock(options);
      45   [ +  -  +  -  :           2 :     BOOST_REQUIRE(block_template);
                   +  - ]
      46                 :             : 
      47                 :             :     // The template should use the mocked system time
      48   [ +  -  +  -  :           1 :     BOOST_REQUIRE_EQUAL(block_template->getBlockHeader().nTime, genesis_time + 3 * 60);
                   +  - ]
      49                 :             : 
      50                 :           1 :     const BlockWaitOptions wait_options{.timeout = MillisecondsDouble{0}, .fee_threshold = 1};
      51                 :             : 
      52                 :             :     // waitNext() should return nullptr because there is no better template
      53         [ +  - ]:           1 :     auto should_be_nullptr = block_template->waitNext(wait_options);
      54   [ +  -  +  -  :           2 :     BOOST_REQUIRE(should_be_nullptr == nullptr);
                   +  - ]
      55                 :             : 
      56                 :             :     // This remains the case when exactly 20 minutes have gone by
      57                 :           1 :     {
      58         [ +  - ]:           1 :         LOCK(cs_main);
      59   [ +  -  +  -  :           2 :         SetMockTime(m_node.chainman->ActiveChain().Tip()->GetBlockTime() + 20 * 60);
                   +  - ]
      60                 :           0 :     }
      61         [ +  - ]:           2 :     should_be_nullptr = block_template->waitNext(wait_options);
      62   [ +  -  +  -  :           2 :     BOOST_REQUIRE(should_be_nullptr == nullptr);
                   +  - ]
      63                 :             : 
      64                 :             :     // One second later the difficulty drops and it returns a new template
      65                 :             :     // Note that we can't test the actual difficulty change, because the
      66                 :             :     // difficulty is already at 1.
      67                 :           1 :     {
      68         [ +  - ]:           1 :         LOCK(cs_main);
      69   [ +  -  +  -  :           2 :         SetMockTime(m_node.chainman->ActiveChain().Tip()->GetBlockTime() + 20 * 60 + 1);
                   +  - ]
      70                 :           0 :     }
      71         [ +  - ]:           2 :     block_template = block_template->waitNext(wait_options);
      72   [ +  -  +  - ]:           2 :     BOOST_REQUIRE(block_template);
      73                 :           1 : }
      74                 :             : 
      75                 :             : BOOST_AUTO_TEST_SUITE_END()
        

Generated by: LCOV version 2.0-1