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fuzz: DisableNextWrite
This is required in the process_message(s) fuzz targets to avoid leaking the next write time from one run to the next. Also, disable it completely because it is not needed and due to leveldb-internal non-determinism.
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@@ -65,6 +65,7 @@ FUZZ_TARGET(process_message, .init = initialize_process_message)
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auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
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SetMockTime(1610000000); // any time to successfully reset ibd
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chainman.ResetIbd();
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chainman.DisableNextWrite();
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node::Warnings warnings{};
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NetGroupManager netgroupman{{}};
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@@ -55,6 +55,7 @@ FUZZ_TARGET(process_messages, .init = initialize_process_messages)
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auto& chainman = static_cast<TestChainstateManager&>(*g_setup->m_node.chainman);
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SetMockTime(1610000000); // any time to successfully reset ibd
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chainman.ResetIbd();
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chainman.DisableNextWrite();
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node::Warnings warnings{};
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NetGroupManager netgroupman{{}};
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@@ -9,6 +9,15 @@
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#include <validation.h>
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#include <validationinterface.h>
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void TestChainstateManager::DisableNextWrite()
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{
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struct TestChainstate : public Chainstate {
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void ResetNextWrite() { m_next_write = NodeClock::time_point::max() - 1s; }
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};
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for (auto* cs : GetAll()) {
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static_cast<TestChainstate*>(cs)->ResetNextWrite();
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}
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}
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void TestChainstateManager::ResetIbd()
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{
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m_cached_finished_ibd = false;
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@@ -10,6 +10,8 @@
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class CValidationInterface;
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struct TestChainstateManager : public ChainstateManager {
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/** Disable the next write of all chainstates */
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void DisableNextWrite();
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/** Reset the ibd cache to its initial state */
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void ResetIbd();
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/** Toggle IsInitialBlockDownload from true to false */
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@@ -785,7 +785,7 @@ public:
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return m_mempool ? &m_mempool->cs : nullptr;
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}
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private:
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protected:
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bool ActivateBestChainStep(BlockValidationState& state, CBlockIndex* pindexMostWork, const std::shared_ptr<const CBlock>& pblock, bool& fInvalidFound, ConnectTrace& connectTrace) EXCLUSIVE_LOCKS_REQUIRED(cs_main, m_mempool->cs);
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bool ConnectTip(BlockValidationState& state, CBlockIndex* pindexNew, const std::shared_ptr<const CBlock>& pblock, ConnectTrace& connectTrace, DisconnectedBlockTransactions& disconnectpool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, m_mempool->cs);
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