scripted-diff: rename CChainState -> Chainstate

-BEGIN VERIFY SCRIPT-
sed -i 's/CChainState/Chainstate/g' $(git grep -l CChainState ':(exclude)doc/release-notes*')
-END VERIFY SCRIPT-

Co-authored-by: MacroFake <falke.marco@gmail.com>

doc/design/assumeutxo.md

@@ -41,7 +41,7 @@ be of use.
 
 Chainstate within the system goes through a number of phases when UTXO snapshots are
 used, as managed by `ChainstateManager`. At various points there can be multiple
-`CChainState` objects in existence to facilitate both maintaining the network tip and
+`Chainstate` objects in existence to facilitate both maintaining the network tip and
 performing historical validation of the assumed-valid chain.
 
 It is worth noting that though there are multiple separate chainstates, those
@@ -53,7 +53,7 @@ data.
 
 ### "Normal" operation via initial block download
 
-`ChainstateManager` manages a single CChainState object, for which
+`ChainstateManager` manages a single Chainstate object, for which
 `m_snapshot_blockhash` is null. This chainstate is (maybe obviously)
 considered active. This is the "traditional" mode of operation for bitcoind.
 

doc/developer-notes.md

@@ -962,7 +962,7 @@ void CTxMemPool::UpdateTransactionsFromBlock(...)
 
 ```C++
 // validation.h
-class CChainState
+class Chainstate
 {
 protected:
     ...
@@ -983,7 +983,7 @@ public:
 }
 
 // validation.cpp
-bool CChainState::PreciousBlock(BlockValidationState& state, CBlockIndex* pindex)
+bool Chainstate::PreciousBlock(BlockValidationState& state, CBlockIndex* pindex)
 {
     AssertLockNotHeld(m_chainstate_mutex);
     AssertLockNotHeld(::cs_main);

src/bitcoin-chainstate.cpp

@@ -104,7 +104,7 @@ int main(int argc, char* argv[])
         }
     }
 
-    for (CChainState* chainstate : WITH_LOCK(::cs_main, return chainman.GetAll())) {
+    for (Chainstate* chainstate : WITH_LOCK(::cs_main, return chainman.GetAll())) {
         BlockValidationState state;
         if (!chainstate->ActivateBestChain(state, nullptr)) {
             std::cerr << "Failed to connect best block (" << state.ToString() << ")" << std::endl;
@@ -253,7 +253,7 @@ int main(int argc, char* argv[])
     GetMainSignals().FlushBackgroundCallbacks();
     {
         LOCK(cs_main);
-        for (CChainState* chainstate : chainman.GetAll()) {
+        for (Chainstate* chainstate : chainman.GetAll()) {
             if (chainstate->CanFlushToDisk()) {
                 chainstate->ForceFlushStateToDisk();
                 chainstate->ResetCoinsViews();

src/index/base.h

@@ -12,7 +12,7 @@
 
 class CBlock;
 class CBlockIndex;
-class CChainState;
+class Chainstate;
 namespace interfaces {
 class Chain;
 } // namespace interfaces
@@ -94,7 +94,7 @@ class BaseIndex : public CValidationInterface
 
 protected:
     std::unique_ptr<interfaces::Chain> m_chain;
-    CChainState* m_chainstate{nullptr};
+    Chainstate* m_chainstate{nullptr};
 
     void BlockConnected(const std::shared_ptr<const CBlock>& block, const CBlockIndex* pindex) override;
 

src/init.cpp

@@ -263,7 +263,7 @@ void Shutdown(NodeContext& node)
     // FlushStateToDisk generates a ChainStateFlushed callback, which we should avoid missing
     if (node.chainman) {
         LOCK(cs_main);
-        for (CChainState* chainstate : node.chainman->GetAll()) {
+        for (Chainstate* chainstate : node.chainman->GetAll()) {
             if (chainstate->CanFlushToDisk()) {
                 chainstate->ForceFlushStateToDisk();
             }
@@ -294,7 +294,7 @@ void Shutdown(NodeContext& node)
 
     if (node.chainman) {
         LOCK(cs_main);
-        for (CChainState* chainstate : node.chainman->GetAll()) {
+        for (Chainstate* chainstate : node.chainman->GetAll()) {
             if (chainstate->CanFlushToDisk()) {
                 chainstate->ForceFlushStateToDisk();
                 chainstate->ResetCoinsViews();
@@ -1532,7 +1532,7 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
     if (fPruneMode) {
         if (!fReindex) {
             LOCK(cs_main);
-            for (CChainState* chainstate : chainman.GetAll()) {
+            for (Chainstate* chainstate : chainman.GetAll()) {
                 uiInterface.InitMessage(_("Pruning blockstore…").translated);
                 chainstate->PruneAndFlush();
             }

src/kernel/mempool_persist.cpp

@@ -37,7 +37,7 @@ namespace kernel {
 
 static const uint64_t MEMPOOL_DUMP_VERSION = 1;
 
-bool LoadMempool(CTxMemPool& pool, const fs::path& load_path, CChainState& active_chainstate, FopenFn mockable_fopen_function)
+bool LoadMempool(CTxMemPool& pool, const fs::path& load_path, Chainstate& active_chainstate, FopenFn mockable_fopen_function)
 {
     if (load_path.empty()) return false;
 

src/kernel/mempool_persist.h

@@ -7,7 +7,7 @@
 
 #include <fs.h>
 
-class CChainState;
+class Chainstate;
 class CTxMemPool;
 
 namespace kernel {
@@ -19,7 +19,7 @@ bool DumpMempool(const CTxMemPool& pool, const fs::path& dump_path,
 
 /** Load the mempool from disk. */
 bool LoadMempool(CTxMemPool& pool, const fs::path& load_path,
-                 CChainState& active_chainstate,
+                 Chainstate& active_chainstate,
                  fsbridge::FopenFn mockable_fopen_function = fsbridge::fopen);
 
 } // namespace kernel

src/node/blockstorage.cpp

@@ -882,7 +882,7 @@ void ThreadImport(ChainstateManager& chainman, std::vector<fs::path> vImportFile
         // We can't hold cs_main during ActivateBestChain even though we're accessing
         // the chainman unique_ptrs since ABC requires us not to be holding cs_main, so retrieve
         // the relevant pointers before the ABC call.
-        for (CChainState* chainstate : WITH_LOCK(::cs_main, return chainman.GetAll())) {
+        for (Chainstate* chainstate : WITH_LOCK(::cs_main, return chainman.GetAll())) {
             BlockValidationState state;
             if (!chainstate->ActivateBestChain(state, nullptr)) {
                 LogPrintf("Failed to connect best block (%s)\n", state.ToString());

src/node/blockstorage.h

@@ -26,7 +26,7 @@ class CBlockFileInfo;
 class CBlockUndo;
 class CChain;
 class CChainParams;
-class CChainState;
+class Chainstate;
 class ChainstateManager;
 struct CCheckpointData;
 struct FlatFilePos;
@@ -75,12 +75,12 @@ struct PruneLockInfo {
  * Maintains a tree of blocks (stored in `m_block_index`) which is consulted
  * to determine where the most-work tip is.
  *
- * This data is used mostly in `CChainState` - information about, e.g.,
+ * This data is used mostly in `Chainstate` - information about, e.g.,
  * candidate tips is not maintained here.
  */
 class BlockManager
 {
-    friend CChainState;
+    friend Chainstate;
     friend ChainstateManager;
 
 private:

src/node/chainstate.cpp

@@ -28,7 +28,7 @@ namespace node {
 ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSizes& cache_sizes,
                                     const ChainstateLoadOptions& options)
 {
-    auto is_coinsview_empty = [&](CChainState* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
+    auto is_coinsview_empty = [&](Chainstate* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
         return options.reindex || options.reindex_chainstate || chainstate->CoinsTip().GetBestBlock().IsNull();
     };
 
@@ -101,7 +101,7 @@ ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSize
     // At this point we're either in reindex or we've loaded a useful
     // block tree into BlockIndex()!
 
-    for (CChainState* chainstate : chainman.GetAll()) {
+    for (Chainstate* chainstate : chainman.GetAll()) {
         chainstate->InitCoinsDB(
             /*cache_size_bytes=*/cache_sizes.coins_db,
             /*in_memory=*/options.coins_db_in_memory,
@@ -140,7 +140,7 @@ ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSize
     if (!options.reindex) {
         auto chainstates{chainman.GetAll()};
         if (std::any_of(chainstates.begin(), chainstates.end(),
-                        [](const CChainState* cs) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { return cs->NeedsRedownload(); })) {
+                        [](const Chainstate* cs) EXCLUSIVE_LOCKS_REQUIRED(cs_main) { return cs->NeedsRedownload(); })) {
             return {ChainstateLoadStatus::FAILURE, strprintf(_("Witness data for blocks after height %d requires validation. Please restart with -reindex."),
                                                              chainman.GetConsensus().SegwitHeight)};
         };
@@ -151,13 +151,13 @@ ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSize
 
 ChainstateLoadResult VerifyLoadedChainstate(ChainstateManager& chainman, const ChainstateLoadOptions& options)
 {
-    auto is_coinsview_empty = [&](CChainState* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
+    auto is_coinsview_empty = [&](Chainstate* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
         return options.reindex || options.reindex_chainstate || chainstate->CoinsTip().GetBestBlock().IsNull();
     };
 
     LOCK(cs_main);
 
-    for (CChainState* chainstate : chainman.GetAll()) {
+    for (Chainstate* chainstate : chainman.GetAll()) {
         if (!is_coinsview_empty(chainstate)) {
             const CBlockIndex* tip = chainstate->m_chain.Tip();
             if (tip && tip->nTime > GetTime() + MAX_FUTURE_BLOCK_TIME) {

src/node/miner.cpp

@@ -62,7 +62,7 @@ BlockAssembler::Options::Options()
     nBlockMaxWeight = DEFAULT_BLOCK_MAX_WEIGHT;
 }
 
-BlockAssembler::BlockAssembler(CChainState& chainstate, const CTxMemPool* mempool, const Options& options)
+BlockAssembler::BlockAssembler(Chainstate& chainstate, const CTxMemPool* mempool, const Options& options)
     : chainparams{chainstate.m_chainman.GetParams()},
       m_mempool(mempool),
       m_chainstate(chainstate)
@@ -87,7 +87,7 @@ static BlockAssembler::Options DefaultOptions()
     return options;
 }
 
-BlockAssembler::BlockAssembler(CChainState& chainstate, const CTxMemPool* mempool)
+BlockAssembler::BlockAssembler(Chainstate& chainstate, const CTxMemPool* mempool)
     : BlockAssembler(chainstate, mempool, DefaultOptions()) {}
 
 void BlockAssembler::resetBlock()

src/node/miner.h

@@ -148,7 +148,7 @@ class BlockAssembler
 
     const CChainParams& chainparams;
     const CTxMemPool* const m_mempool;
-    CChainState& m_chainstate;
+    Chainstate& m_chainstate;
 
 public:
     struct Options {
@@ -157,8 +157,8 @@ class BlockAssembler
         CFeeRate blockMinFeeRate;
     };
 
-    explicit BlockAssembler(CChainState& chainstate, const CTxMemPool* mempool);
-    explicit BlockAssembler(CChainState& chainstate, const CTxMemPool* mempool, const Options& options);
+    explicit BlockAssembler(Chainstate& chainstate, const CTxMemPool* mempool);
+    explicit BlockAssembler(Chainstate& chainstate, const CTxMemPool* mempool, const Options& options);
 
     /** Construct a new block template with coinbase to scriptPubKeyIn */
     std::unique_ptr<CBlockTemplate> CreateNewBlock(const CScript& scriptPubKeyIn);

src/node/utxo_snapshot.h

@@ -11,7 +11,7 @@
 
 namespace node {
 //! Metadata describing a serialized version of a UTXO set from which an
-//! assumeutxo CChainState can be constructed.
+//! assumeutxo Chainstate can be constructed.
 class SnapshotMetadata
 {
 public:

src/rpc/blockchain.cpp

@@ -767,7 +767,7 @@ static RPCHelpMan pruneblockchain()
 
     ChainstateManager& chainman = EnsureAnyChainman(request.context);
     LOCK(cs_main);
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
     CChain& active_chain = active_chainstate.m_chain;
 
     int heightParam = request.params[0].getInt<int>();
@@ -908,7 +908,7 @@ static RPCHelpMan gettxoutsetinfo()
 
     NodeContext& node = EnsureAnyNodeContext(request.context);
     ChainstateManager& chainman = EnsureChainman(node);
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
     active_chainstate.ForceFlushStateToDisk();
 
     CCoinsView* coins_view;
@@ -1048,7 +1048,7 @@ static RPCHelpMan gettxout()
         fMempool = request.params[2].get_bool();
 
     Coin coin;
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
     CCoinsViewCache* coins_view = &active_chainstate.CoinsTip();
 
     if (fMempool) {
@@ -1105,7 +1105,7 @@ static RPCHelpMan verifychain()
     ChainstateManager& chainman = EnsureAnyChainman(request.context);
     LOCK(cs_main);
 
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
     return CVerifyDB().VerifyDB(
         active_chainstate, chainman.GetParams().GetConsensus(), active_chainstate.CoinsTip(), check_level, check_depth);
 },
@@ -1233,7 +1233,7 @@ RPCHelpMan getblockchaininfo()
     const ArgsManager& args{EnsureAnyArgsman(request.context)};
     ChainstateManager& chainman = EnsureAnyChainman(request.context);
     LOCK(cs_main);
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
 
     const CBlockIndex& tip{*CHECK_NONFATAL(active_chainstate.m_chain.Tip())};
     const int height{tip.nHeight};
@@ -1328,7 +1328,7 @@ static RPCHelpMan getdeploymentinfo()
         {
             const ChainstateManager& chainman = EnsureAnyChainman(request.context);
             LOCK(cs_main);
-            const CChainState& active_chainstate = chainman.ActiveChainstate();
+            const Chainstate& active_chainstate = chainman.ActiveChainstate();
 
             const CBlockIndex* blockindex;
             if (request.params[0].isNull()) {
@@ -2148,7 +2148,7 @@ static RPCHelpMan scantxoutset()
         {
             ChainstateManager& chainman = EnsureChainman(node);
             LOCK(cs_main);
-            CChainState& active_chainstate = chainman.ActiveChainstate();
+            Chainstate& active_chainstate = chainman.ActiveChainstate();
             active_chainstate.ForceFlushStateToDisk();
             pcursor = CHECK_NONFATAL(active_chainstate.CoinsDB().Cursor());
             tip = CHECK_NONFATAL(active_chainstate.m_chain.Tip());
@@ -2328,7 +2328,7 @@ static RPCHelpMan dumptxoutset()
 
 UniValue CreateUTXOSnapshot(
     NodeContext& node,
-    CChainState& chainstate,
+    Chainstate& chainstate,
     AutoFile& afile,
     const fs::path& path,
     const fs::path& temppath)

src/rpc/blockchain.h

@@ -20,7 +20,7 @@ extern RecursiveMutex cs_main;
 
 class CBlock;
 class CBlockIndex;
-class CChainState;
+class Chainstate;
 class UniValue;
 namespace node {
 struct NodeContext;
@@ -54,7 +54,7 @@ void CalculatePercentilesByWeight(CAmount result[NUM_GETBLOCKSTATS_PERCENTILES],
  */
 UniValue CreateUTXOSnapshot(
     node::NodeContext& node,
-    CChainState& chainstate,
+    Chainstate& chainstate,
     AutoFile& afile,
     const fs::path& path,
     const fs::path& tmppath);

src/rpc/mempool.cpp

@@ -168,7 +168,7 @@ static RPCHelpMan testmempoolaccept()
             NodeContext& node = EnsureAnyNodeContext(request.context);
             CTxMemPool& mempool = EnsureMemPool(node);
             ChainstateManager& chainman = EnsureChainman(node);
-            CChainState& chainstate = chainman.ActiveChainstate();
+            Chainstate& chainstate = chainman.ActiveChainstate();
             const PackageMempoolAcceptResult package_result = [&] {
                 LOCK(::cs_main);
                 if (txns.size() > 1) return ProcessNewPackage(chainstate, mempool, txns, /*test_accept=*/true);
@@ -810,7 +810,7 @@ static RPCHelpMan submitpackage()
 
             NodeContext& node = EnsureAnyNodeContext(request.context);
             CTxMemPool& mempool = EnsureMemPool(node);
-            CChainState& chainstate = EnsureChainman(node).ActiveChainstate();
+            Chainstate& chainstate = EnsureChainman(node).ActiveChainstate();
             const auto package_result = WITH_LOCK(::cs_main, return ProcessNewPackage(chainstate, mempool, txns, /*test_accept=*/ false));
 
             // First catch any errors.

src/rpc/mining.cpp

@@ -598,7 +598,7 @@ static RPCHelpMan getblocktemplate()
     std::string strMode = "template";
     UniValue lpval = NullUniValue;
     std::set<std::string> setClientRules;
-    CChainState& active_chainstate = chainman.ActiveChainstate();
+    Chainstate& active_chainstate = chainman.ActiveChainstate();
     CChain& active_chain = active_chainstate.m_chain;
     if (!request.params[0].isNull())
     {

src/rpc/rawtransaction.cpp

@@ -51,7 +51,7 @@ using node::GetTransaction;
 using node::NodeContext;
 using node::PSBTAnalysis;
 
-static void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry, CChainState& active_chainstate)
+static void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry, Chainstate& active_chainstate)
 {
     // Call into TxToUniv() in bitcoin-common to decode the transaction hex.
     //

src/rpc/txoutproof.cpp

@@ -66,7 +66,7 @@ static RPCHelpMan gettxoutproof()
                 }
             } else {
                 LOCK(cs_main);
-                CChainState& active_chainstate = chainman.ActiveChainstate();
+                Chainstate& active_chainstate = chainman.ActiveChainstate();
 
                 // Loop through txids and try to find which block they're in. Exit loop once a block is found.
                 for (const auto& tx : setTxids) {

src/test/coinstatsindex_tests.cpp

@@ -85,7 +85,7 @@ BOOST_FIXTURE_TEST_CASE(coinstatsindex_initial_sync, TestChain100Setup)
 // make sure index is not corrupted and is able to reload.
 BOOST_FIXTURE_TEST_CASE(coinstatsindex_unclean_shutdown, TestChain100Setup)
 {
-    CChainState& chainstate = Assert(m_node.chainman)->ActiveChainstate();
+    Chainstate& chainstate = Assert(m_node.chainman)->ActiveChainstate();
     const CChainParams& params = Params();
     {
         CoinStatsIndex index{interfaces::MakeChain(m_node), 1 << 20};