scripted-diff: Rename MainSignals to ValidationSignals

-BEGIN VERIFY SCRIPT-
s() { git grep -l "$1" src | xargs sed -i "s/$1/$2/g"; }

s 'CMainSignals'    'ValidationSignals'
s 'MainSignalsImpl' 'ValidationSignalsImpl'
-END VERIFY SCRIPT-

src/bitcoin-chainstate.cpp

@@ -74,7 +74,7 @@ int main(int argc, char* argv[])
     // Start the lightweight task scheduler thread
     scheduler.m_service_thread = std::thread(util::TraceThread, "scheduler", [&] { scheduler.serviceQueue(); });
 
-    CMainSignals validation_signals{scheduler};
+    ValidationSignals validation_signals{scheduler};
 
     // Gather some entropy once per minute.
     scheduler.scheduleEvery(RandAddPeriodic, std::chrono::minutes{1});

src/init.cpp

@@ -1164,7 +1164,7 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
     }, std::chrono::minutes{5});
 
     assert(!node.validation_signals);
-    node.validation_signals = std::make_unique<CMainSignals>(scheduler);
+    node.validation_signals = std::make_unique<ValidationSignals>(scheduler);
     auto& validation_signals = *node.validation_signals;
 
     // Create client interfaces for wallets that are supposed to be loaded

src/kernel/chainstatemanager_opts.h

@@ -18,7 +18,7 @@
 #include <optional>
 
 class CChainParams;
-class CMainSignals;
+class ValidationSignals;
 
 static constexpr bool DEFAULT_CHECKPOINTS_ENABLED{true};
 static constexpr auto DEFAULT_MAX_TIP_AGE{24h};
@@ -45,7 +45,7 @@ struct ChainstateManagerOpts {
     DBOptions coins_db{};
     CoinsViewOptions coins_view{};
     Notifications& notifications;
-    CMainSignals* signals{nullptr};
+    ValidationSignals* signals{nullptr};
     //! Number of script check worker threads. Zero means no parallel verification.
     int worker_threads_num{0};
 };

src/kernel/mempool_options.h

@@ -13,7 +13,7 @@
 #include <cstdint>
 #include <optional>
 
-class CMainSignals;
+class ValidationSignals;
 
 /** Default for -maxmempool, maximum megabytes of mempool memory usage */
 static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB{300};
@@ -59,7 +59,7 @@ struct MemPoolOptions {
     bool persist_v1_dat{DEFAULT_PERSIST_V1_DAT};
     MemPoolLimits limits{};
 
-    CMainSignals* signals{nullptr};
+    ValidationSignals* signals{nullptr};
 };
 } // namespace kernel
 

src/node/context.h

@@ -20,7 +20,7 @@ class BanMan;
 class BaseIndex;
 class CBlockPolicyEstimator;
 class CConnman;
-class CMainSignals;
+class ValidationSignals;
 class CScheduler;
 class CTxMemPool;
 class ChainstateManager;
@@ -74,7 +74,7 @@ struct NodeContext {
     //! Issues blocking calls about sync status, errors and warnings
     std::unique_ptr<KernelNotifications> notifications;
     //! Issues calls about blocks and transactions
-    std::unique_ptr<CMainSignals> validation_signals;
+    std::unique_ptr<ValidationSignals> validation_signals;
     std::atomic<int> exit_status{EXIT_SUCCESS};
 
     //! Declare default constructor and destructor that are not inline, so code

src/node/interfaces.cpp

@@ -460,7 +460,7 @@ public:
 class NotificationsHandlerImpl : public Handler
 {
 public:
-    explicit NotificationsHandlerImpl(CMainSignals& signals, std::shared_ptr<Chain::Notifications> notifications)
+    explicit NotificationsHandlerImpl(ValidationSignals& signals, std::shared_ptr<Chain::Notifications> notifications)
         : m_signals{signals}, m_proxy{std::make_shared<NotificationsProxy>(std::move(notifications))}
     {
         m_signals.RegisterSharedValidationInterface(m_proxy);
@@ -473,7 +473,7 @@ public:
             m_proxy.reset();
         }
     }
-    CMainSignals& m_signals;
+    ValidationSignals& m_signals;
     std::shared_ptr<NotificationsProxy> m_proxy;
 };
 
@@ -823,7 +823,7 @@ public:
     NodeContext* context() override { return &m_node; }
     ArgsManager& args() { return *Assert(m_node.args); }
     ChainstateManager& chainman() { return *Assert(m_node.chainman); }
-    CMainSignals& validation_signals() { return *Assert(m_node.validation_signals); }
+    ValidationSignals& validation_signals() { return *Assert(m_node.validation_signals); }
     NodeContext& m_node;
 };
 } // namespace

src/test/util/setup_common.cpp

@@ -171,7 +171,7 @@ ChainTestingSetup::ChainTestingSetup(const ChainType chainType, const std::vecto
     // from blocking due to queue overrun.
     m_node.scheduler = std::make_unique<CScheduler>();
     m_node.scheduler->m_service_thread = std::thread(util::TraceThread, "scheduler", [&] { m_node.scheduler->serviceQueue(); });
-    m_node.validation_signals = std::make_unique<CMainSignals>(*m_node.scheduler);
+    m_node.validation_signals = std::make_unique<ValidationSignals>(*m_node.scheduler);
 
     m_node.fee_estimator = std::make_unique<CBlockPolicyEstimator>(FeeestPath(*m_node.args), DEFAULT_ACCEPT_STALE_FEE_ESTIMATES);
     m_node.mempool = std::make_unique<CTxMemPool>(MemPoolOptionsForTest(m_node));

src/test/validationinterface_tests.cpp

@@ -52,7 +52,7 @@ BOOST_AUTO_TEST_CASE(unregister_validation_interface_race)
 class TestInterface : public CValidationInterface
 {
 public:
-    TestInterface(CMainSignals& signals, std::function<void()> on_call = nullptr, std::function<void()> on_destroy = nullptr)
+    TestInterface(ValidationSignals& signals, std::function<void()> on_call = nullptr, std::function<void()> on_destroy = nullptr)
         : m_on_call(std::move(on_call)), m_on_destroy(std::move(on_destroy)), m_signals{signals}
     {
     }
@@ -72,7 +72,7 @@ public:
     }
     std::function<void()> m_on_call;
     std::function<void()> m_on_destroy;
-    CMainSignals& m_signals;
+    ValidationSignals& m_signals;
 };
 
 // Regression test to ensure UnregisterAllValidationInterfaces calls don't

src/txmempool.h

@@ -40,7 +40,7 @@
 #include <vector>
 
 class CChain;
-class CMainSignals;
+class ValidationSignals;
 
 /** Fake height value used in Coin to signify they are only in the memory pool (since 0.8) */
 static const uint32_t MEMPOOL_HEIGHT = 0x7FFFFFFF;
@@ -448,7 +448,7 @@ public:
 
     const Limits m_limits;
 
-    CMainSignals* const m_signals;
+    ValidationSignals* const m_signals;
 
     /** Create a new CTxMemPool.
      * Sanity checks will be off by default for performance, because otherwise

src/validation.cpp

@@ -3213,7 +3213,7 @@ static bool NotifyHeaderTip(ChainstateManager& chainman) LOCKS_EXCLUDED(cs_main)
     return fNotify;
 }
 
-static void LimitValidationInterfaceQueue(CMainSignals& signals) LOCKS_EXCLUDED(cs_main) {
+static void LimitValidationInterfaceQueue(ValidationSignals& signals) LOCKS_EXCLUDED(cs_main) {
     AssertLockNotHeld(cs_main);
 
     if (signals.CallbacksPending() > 10) {

src/validationinterface.cpp

@@ -22,14 +22,14 @@
 std::string RemovalReasonToString(const MemPoolRemovalReason& r) noexcept;
 
 /**
- * MainSignalsImpl manages a list of shared_ptr<CValidationInterface> callbacks.
+ * ValidationSignalsImpl manages a list of shared_ptr<CValidationInterface> callbacks.
  *
  * A std::unordered_map is used to track what callbacks are currently
  * registered, and a std::list is used to store the callbacks that are
  * currently registered as well as any callbacks that are just unregistered
  * and about to be deleted when they are done executing.
  */
-class MainSignalsImpl
+class ValidationSignalsImpl
 {
 private:
     Mutex m_mutex;
@@ -47,7 +47,7 @@ public:
     // our own queue here :(
     SerialTaskRunner m_task_runner;
 
-    explicit MainSignalsImpl(CScheduler& scheduler LIFETIMEBOUND) : m_task_runner(scheduler) {}
+    explicit ValidationSignalsImpl(CScheduler& scheduler LIFETIMEBOUND) : m_task_runner(scheduler) {}
 
     void Register(std::shared_ptr<CValidationInterface> callbacks) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex)
     {
@@ -94,56 +94,56 @@ public:
     }
 };
 
-CMainSignals::CMainSignals(CScheduler& scheduler)
+ValidationSignals::ValidationSignals(CScheduler& scheduler)
-    : m_internals{std::make_unique<MainSignalsImpl>(scheduler)} {}
+    : m_internals{std::make_unique<ValidationSignalsImpl>(scheduler)} {}
 
-CMainSignals::~CMainSignals() {}
+ValidationSignals::~ValidationSignals() {}
 
-void CMainSignals::FlushBackgroundCallbacks()
+void ValidationSignals::FlushBackgroundCallbacks()
 {
     m_internals->m_task_runner.flush();
 }
 
-size_t CMainSignals::CallbacksPending()
+size_t ValidationSignals::CallbacksPending()
 {
     return m_internals->m_task_runner.size();
 }
 
-void CMainSignals::RegisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks)
+void ValidationSignals::RegisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks)
 {
     // Each connection captures the shared_ptr to ensure that each callback is
     // executed before the subscriber is destroyed. For more details see #18338.
     m_internals->Register(std::move(callbacks));
 }
 
-void CMainSignals::RegisterValidationInterface(CValidationInterface* callbacks)
+void ValidationSignals::RegisterValidationInterface(CValidationInterface* callbacks)
 {
     // Create a shared_ptr with a no-op deleter - CValidationInterface lifecycle
     // is managed by the caller.
     RegisterSharedValidationInterface({callbacks, [](CValidationInterface*){}});
 }
 
-void CMainSignals::UnregisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks)
+void ValidationSignals::UnregisterSharedValidationInterface(std::shared_ptr<CValidationInterface> callbacks)
 {
     UnregisterValidationInterface(callbacks.get());
 }
 
-void CMainSignals::UnregisterValidationInterface(CValidationInterface* callbacks)
+void ValidationSignals::UnregisterValidationInterface(CValidationInterface* callbacks)
 {
     m_internals->Unregister(callbacks);
 }
 
-void CMainSignals::UnregisterAllValidationInterfaces()
+void ValidationSignals::UnregisterAllValidationInterfaces()
 {
     m_internals->Clear();
 }
 
-void CMainSignals::CallFunctionInValidationInterfaceQueue(std::function<void()> func)
+void ValidationSignals::CallFunctionInValidationInterfaceQueue(std::function<void()> func)
 {
     m_internals->m_task_runner.insert(std::move(func));
 }
 
-void CMainSignals::SyncWithValidationInterfaceQueue()
+void ValidationSignals::SyncWithValidationInterfaceQueue()
 {
     AssertLockNotHeld(cs_main);
     // Block until the validation queue drains
@@ -171,7 +171,7 @@ void CMainSignals::SyncWithValidationInterfaceQueue()
 #define LOG_EVENT(fmt, ...) \
     LogPrint(BCLog::VALIDATION, fmt "\n", __VA_ARGS__)
 
-void CMainSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {
+void ValidationSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockIndex *pindexFork, bool fInitialDownload) {
     // Dependencies exist that require UpdatedBlockTip events to be delivered in the order in which
     // the chain actually updates. One way to ensure this is for the caller to invoke this signal
     // in the same critical section where the chain is updated
@@ -185,7 +185,7 @@ void CMainSignals::UpdatedBlockTip(const CBlockIndex *pindexNew, const CBlockInd
                           fInitialDownload);
 }
 
-void CMainSignals::TransactionAddedToMempool(const NewMempoolTransactionInfo& tx, uint64_t mempool_sequence)
+void ValidationSignals::TransactionAddedToMempool(const NewMempoolTransactionInfo& tx, uint64_t mempool_sequence)
 {
     auto event = [tx, mempool_sequence, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.TransactionAddedToMempool(tx, mempool_sequence); });
@@ -195,7 +195,7 @@ void CMainSignals::TransactionAddedToMempool(const NewMempoolTransactionInfo& tx
                           tx.info.m_tx->GetWitnessHash().ToString());
 }
 
-void CMainSignals::TransactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason, uint64_t mempool_sequence) {
+void ValidationSignals::TransactionRemovedFromMempool(const CTransactionRef& tx, MemPoolRemovalReason reason, uint64_t mempool_sequence) {
     auto event = [tx, reason, mempool_sequence, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.TransactionRemovedFromMempool(tx, reason, mempool_sequence); });
     };
@@ -205,7 +205,7 @@ void CMainSignals::TransactionRemovedFromMempool(const CTransactionRef& tx, MemP
                           RemovalReasonToString(reason));
 }
 
-void CMainSignals::BlockConnected(ChainstateRole role, const std::shared_ptr<const CBlock> &pblock, const CBlockIndex *pindex) {
+void ValidationSignals::BlockConnected(ChainstateRole role, const std::shared_ptr<const CBlock> &pblock, const CBlockIndex *pindex) {
     auto event = [role, pblock, pindex, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.BlockConnected(role, pblock, pindex); });
     };
@@ -214,7 +214,7 @@ void CMainSignals::BlockConnected(ChainstateRole role, const std::shared_ptr<con
                           pindex->nHeight);
 }
 
-void CMainSignals::MempoolTransactionsRemovedForBlock(const std::vector<RemovedMempoolTransactionInfo>& txs_removed_for_block, unsigned int nBlockHeight)
+void ValidationSignals::MempoolTransactionsRemovedForBlock(const std::vector<RemovedMempoolTransactionInfo>& txs_removed_for_block, unsigned int nBlockHeight)
 {
     auto event = [txs_removed_for_block, nBlockHeight, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.MempoolTransactionsRemovedForBlock(txs_removed_for_block, nBlockHeight); });
@@ -224,7 +224,7 @@ void CMainSignals::MempoolTransactionsRemovedForBlock(const std::vector<RemovedM
                           txs_removed_for_block.size());
 }
 
-void CMainSignals::BlockDisconnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex)
+void ValidationSignals::BlockDisconnected(const std::shared_ptr<const CBlock>& pblock, const CBlockIndex* pindex)
 {
     auto event = [pblock, pindex, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.BlockDisconnected(pblock, pindex); });
@@ -234,7 +234,7 @@ void CMainSignals::BlockDisconnected(const std::shared_ptr<const CBlock>& pblock
                           pindex->nHeight);
 }
 
-void CMainSignals::ChainStateFlushed(ChainstateRole role, const CBlockLocator &locator) {
+void ValidationSignals::ChainStateFlushed(ChainstateRole role, const CBlockLocator &locator) {
     auto event = [role, locator, this] {
         m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.ChainStateFlushed(role, locator); });
     };
@@ -242,13 +242,13 @@ void CMainSignals::ChainStateFlushed(ChainstateRole role, const CBlockLocator &l
                           locator.IsNull() ? "null" : locator.vHave.front().ToString());
 }
 
-void CMainSignals::BlockChecked(const CBlock& block, const BlockValidationState& state) {
+void ValidationSignals::BlockChecked(const CBlock& block, const BlockValidationState& state) {
     LOG_EVENT("%s: block hash=%s state=%s", __func__,
               block.GetHash().ToString(), state.ToString());
     m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.BlockChecked(block, state); });
 }
 
-void CMainSignals::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock> &block) {
+void ValidationSignals::NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock> &block) {
     LOG_EVENT("%s: block hash=%s", __func__, block->GetHash().ToString());
     m_internals->Iterate([&](CValidationInterface& callbacks) { callbacks.NewPoWValidBlock(pindex, block); });
 }

src/validationinterface.h

@@ -150,19 +150,19 @@ protected:
      * has been received and connected to the headers tree, though not validated yet.
      */
     virtual void NewPoWValidBlock(const CBlockIndex *pindex, const std::shared_ptr<const CBlock>& block) {};
-    friend class CMainSignals;
+    friend class ValidationSignals;
     friend class ValidationInterfaceTest;
 };
 
-class MainSignalsImpl;
+class ValidationSignalsImpl;
-class CMainSignals {
+class ValidationSignals {
 private:
-    std::unique_ptr<MainSignalsImpl> m_internals;
+    std::unique_ptr<ValidationSignalsImpl> m_internals;
 
 public:
-    CMainSignals(CScheduler& scheduler LIFETIMEBOUND);
+    ValidationSignals(CScheduler& scheduler LIFETIMEBOUND);
 
-    ~CMainSignals();
+    ~ValidationSignals();
 
     /** Call any remaining callbacks on the calling thread */
     void FlushBackgroundCallbacks();