Method TestBasicMining

src/test/miner_tests.cpp:344–682

}

void MinerTestingSetup::TestBasicMining(const CScript& scriptPubKey, const std::vector<CTransactionRef>& txFirst, int baseheight)
{
    FakeNodeClock clock{};

    Txid hash;
    CMutableTransaction tx;
    TestMemPoolEntryHelper entry;
    entry.nFee = 11;
    entry.nHeight = 11;

    const CAmount BLOCKSUBSIDY = 50 * COIN;
    const CAmount LOWFEE = CENT;
    const CAmount HIGHFEE = COIN;
    const CAmount HIGHERFEE = 4 * COIN;

    auto mining{MakeMining()};
    BOOST_REQUIRE(mining);

    BlockCreateOptions options{
        .coinbase_output_script = scriptPubKey,
    };

    {
        CTxMemPool& tx_mempool{MakeMempool()};
        LOCK(tx_mempool.cs);

        // Just to make sure we can still make simple blocks
        auto block_template{mining->createNewBlock(options, /*cooldown=*/false)};
        BOOST_REQUIRE(block_template);
        CBlock block{block_template->getBlock()};

        auto txs = CreateBigSigOpsCluster(txFirst[0]);

        int64_t legacy_sigops = 0;
        for (auto& t : txs) {
            // If we don't set the number of sigops in the CTxMemPoolEntry,
            // template creation fails during sanity checks.
            TryAddToMempool(tx_mempool, entry.Fee(LOWFEE).Time(Now<NodeSeconds>()).SpendsCoinbase(true).FromTx(t));
            legacy_sigops += GetLegacySigOpCount(*t);
            BOOST_CHECK(tx_mempool.GetIter(t->GetHash()).has_value());
        }
        assert(tx_mempool.mapTx.size() == 51);
        assert(legacy_sigops == 20001);
        BOOST_CHECK_EXCEPTION(mining->createNewBlock(options, /*cooldown=*/false), std::runtime_error, HasReason("bad-blk-sigops"));
    }

    {
        CTxMemPool& tx_mempool{MakeMempool()};
        LOCK(tx_mempool.cs);

        // Check that the mempool is empty.
        assert(tx_mempool.mapTx.empty());

        // Just to make sure we can still make simple blocks
        auto block_template{mining->createNewBlock(options, /*cooldown=*/false)};
        BOOST_REQUIRE(block_template);
        CBlock block{block_template->getBlock()};