Move ::fCheckpointsEnabled into ChainstateManager

src/init.cpp

@@ -935,7 +935,6 @@ bool AppInitParameterInteraction(const ArgsManager& args, bool use_syscall_sandb
     init::SetLoggingLevel(args);
 
     fCheckBlockIndex = args.GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
-    fCheckpointsEnabled = args.GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED);
 
     // block pruning; get the amount of disk space (in MiB) to allot for block & undo files
     int64_t nPruneArg = args.GetIntArg("-prune", 0);

src/kernel/chainstatemanager_opts.h

@@ -15,6 +15,7 @@
 
 class CChainParams;
 
+static constexpr bool DEFAULT_CHECKPOINTS_ENABLED{true};
 static constexpr auto DEFAULT_MAX_TIP_AGE{24h};
 
 namespace kernel {
@@ -27,6 +28,7 @@ namespace kernel {
 struct ChainstateManagerOpts {
     const CChainParams& chainparams;
     const std::function<NodeClock::time_point()> adjusted_time_callback{nullptr};
+    bool checkpoints_enabled{DEFAULT_CHECKPOINTS_ENABLED};
     //! If set, it will override the minimum work we will assume exists on some valid chain.
     std::optional<arith_uint256> minimum_chain_work;
     //! If set, it will override the block hash whose ancestors we will assume to have valid scripts without checking them.

src/node/chainstatemanager_args.cpp

@@ -19,6 +19,8 @@
 namespace node {
 std::optional<bilingual_str> ApplyArgsManOptions(const ArgsManager& args, ChainstateManager::Options& opts)
 {
+    if (auto value{args.GetBoolArg("-checkpoints")}) opts.checkpoints_enabled = *value;
+
     if (auto value{args.GetArg("-minimumchainwork")}) {
         if (!IsHexNumber(*value)) {
             return strprintf(Untranslated("Invalid non-hex (%s) minimum chain work value specified"), *value);

src/validation.cpp

@@ -122,7 +122,6 @@ std::condition_variable g_best_block_cv;
 uint256 g_best_block;
 bool g_parallel_script_checks{false};
 bool fCheckBlockIndex = false;
-bool fCheckpointsEnabled = DEFAULT_CHECKPOINTS_ENABLED;
 
 const CBlockIndex* Chainstate::FindForkInGlobalIndex(const CBlockLocator& locator) const
 {
@@ -3528,7 +3527,7 @@ static bool ContextualCheckBlockHeader(const CBlockHeader& block, BlockValidatio
         return state.Invalid(BlockValidationResult::BLOCK_INVALID_HEADER, "bad-diffbits", "incorrect proof of work");
 
     // Check against checkpoints
-    if (fCheckpointsEnabled) {
+    if (chainman.m_options.checkpoints_enabled) {
         // Don't accept any forks from the main chain prior to last checkpoint.
         // GetLastCheckpoint finds the last checkpoint in MapCheckpoints that's in our
         // BlockIndex().

src/validation.h

@@ -63,7 +63,6 @@ struct Params;
 static const int MAX_SCRIPTCHECK_THREADS = 15;
 /** -par default (number of script-checking threads, 0 = auto) */
 static const int DEFAULT_SCRIPTCHECK_THREADS = 0;
-static const bool DEFAULT_CHECKPOINTS_ENABLED = true;
 /** Default for -stopatheight */
 static const int DEFAULT_STOPATHEIGHT = 0;
 /** Block files containing a block-height within MIN_BLOCKS_TO_KEEP of ActiveChain().Tip() will not be pruned. */
@@ -97,7 +96,6 @@ extern uint256 g_best_block;
  */
 extern bool g_parallel_script_checks;
 extern bool fCheckBlockIndex;
-extern bool fCheckpointsEnabled;
 
 /** Documentation for argument 'checklevel'. */
 extern const std::vector<std::string> CHECKLEVEL_DOC;