Split off VerifyLoadedChainstate

src/init.cpp

@@ -1427,9 +1427,7 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
                                  fReindexChainState,
                                  nBlockTreeDBCache,
                                  nCoinDBCache,
-                                 nCoinCacheUsage,
-                                 args.GetIntArg("-checkblocks", DEFAULT_CHECKBLOCKS),
-                                 args.GetIntArg("-checklevel", DEFAULT_CHECKLEVEL));
+                                 nCoinCacheUsage);
         if (rv.has_value()) {
             switch (rv.value()) {
             case ChainstateLoadingError::ERROR_LOADING_BLOCK_DB:
@@ -1461,20 +1459,34 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
                 strLoadError = strprintf(_("Witness data for blocks after height %d requires validation. Please restart with -reindex."),
                                          chainparams.GetConsensus().SegwitHeight);
                 break;
-            case ChainstateLoadingError::ERROR_BLOCK_FROM_FUTURE:
-                strLoadError = _("The block database contains a block which appears to be from the future. "
-                                 "This may be due to your computer's date and time being set incorrectly. "
-                                 "Only rebuild the block database if you are sure that your computer's date and time are correct");
-                break;
-            case ChainstateLoadingError::ERROR_CORRUPTED_BLOCK_DB:
-                strLoadError = _("Corrupted block database detected");
-                break;
             case ChainstateLoadingError::SHUTDOWN_PROBED:
                 break;
             }
         } else {
-            fLoaded = true;
-            LogPrintf(" block index %15dms\n", GetTimeMillis() - load_block_index_start_time);
+            auto rv2 = VerifyLoadedChainstate(chainman,
+                                              fReset,
+                                              fReindexChainState,
+                                              chainparams,
+                                              args.GetIntArg("-checkblocks", DEFAULT_CHECKBLOCKS),
+                                              args.GetIntArg("-checklevel", DEFAULT_CHECKLEVEL));
+            if (rv2.has_value()) {
+                switch (rv2.value()) {
+                case ChainstateLoadVerifyError::ERROR_BLOCK_FROM_FUTURE:
+                    strLoadError = _("The block database contains a block which appears to be from the future. "
+                                     "This may be due to your computer's date and time being set incorrectly. "
+                                     "Only rebuild the block database if you are sure that your computer's date and time are correct");
+                    break;
+                case ChainstateLoadVerifyError::ERROR_CORRUPTED_BLOCK_DB:
+                    strLoadError = _("Corrupted block database detected");
+                    break;
+                case ChainstateLoadVerifyError::ERROR_GENERIC_FAILURE:
+                    strLoadError = _("Error opening block database");
+                    break;
+                }
+            } else {
+                fLoaded = true;
+                LogPrintf(" block index %15dms\n", GetTimeMillis() - load_block_index_start_time);
+            }
         }
 
         if (!fLoaded && !ShutdownRequested()) {

src/node/chainstate.cpp

@@ -20,9 +20,7 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
                                                      bool fReindexChainState,
                                                      int64_t nBlockTreeDBCache,
                                                      int64_t nCoinDBCache,
-                                                     int64_t nCoinCacheUsage,
-                                                     unsigned int check_blocks,
-                                                     unsigned int check_level)
+                                                     int64_t nCoinCacheUsage)
 {
     auto is_coinsview_empty = [&](CChainState* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
         return fReset || fReindexChainState || chainstate->CoinsTip().GetBestBlock().IsNull();
@@ -131,6 +129,20 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
         }
     }
 
+    return std::nullopt;
+}
+
+std::optional<ChainstateLoadVerifyError> VerifyLoadedChainstate(ChainstateManager& chainman,
+                                                                bool fReset,
+                                                                bool fReindexChainState,
+                                                                const CChainParams& chainparams,
+                                                                unsigned int check_blocks,
+                                                                unsigned int check_level)
+{
+    auto is_coinsview_empty = [&](CChainState* chainstate) EXCLUSIVE_LOCKS_REQUIRED(::cs_main) {
+        return fReset || fReindexChainState || chainstate->CoinsTip().GetBestBlock().IsNull();
+    };
+
     try {
         LOCK(cs_main);
 
@@ -145,20 +157,20 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
                 const CBlockIndex* tip = chainstate->m_chain.Tip();
                 RPCNotifyBlockChange(tip);
                 if (tip && tip->nTime > GetTime() + MAX_FUTURE_BLOCK_TIME) {
-                    return ChainstateLoadingError::ERROR_BLOCK_FROM_FUTURE;
+                    return ChainstateLoadVerifyError::ERROR_BLOCK_FROM_FUTURE;
                 }
 
                 if (!CVerifyDB().VerifyDB(
                         *chainstate, chainparams, chainstate->CoinsDB(),
                         check_level,
                         check_blocks)) {
-                    return ChainstateLoadingError::ERROR_CORRUPTED_BLOCK_DB;
+                    return ChainstateLoadVerifyError::ERROR_CORRUPTED_BLOCK_DB;
                 }
             }
         }
     } catch (const std::exception& e) {
         LogPrintf("%s\n", e.what());
-        return ChainstateLoadingError::ERROR_GENERIC_BLOCKDB_OPEN_FAILED;
+        return ChainstateLoadVerifyError::ERROR_GENERIC_FAILURE;
     }
 
     return std::nullopt;

src/node/chainstate.h

@@ -22,8 +22,6 @@ enum class ChainstateLoadingError {
     ERROR_LOADCHAINTIP_FAILED,
     ERROR_GENERIC_BLOCKDB_OPEN_FAILED,
     ERROR_BLOCKS_WITNESS_INSUFFICIENTLY_VALIDATED,
-    ERROR_BLOCK_FROM_FUTURE,
-    ERROR_CORRUPTED_BLOCK_DB,
     SHUTDOWN_PROBED,
 };
 
@@ -61,8 +59,19 @@ std::optional<ChainstateLoadingError> LoadChainstate(bool fReset,
                                                      bool fReindexChainState,
                                                      int64_t nBlockTreeDBCache,
                                                      int64_t nCoinDBCache,
-                                                     int64_t nCoinCacheUsage,
-                                                     unsigned int check_blocks,
-                                                     unsigned int check_level);
+                                                     int64_t nCoinCacheUsage);
+
+enum class ChainstateLoadVerifyError {
+    ERROR_BLOCK_FROM_FUTURE,
+    ERROR_CORRUPTED_BLOCK_DB,
+    ERROR_GENERIC_FAILURE,
+};
+
+std::optional<ChainstateLoadVerifyError> VerifyLoadedChainstate(ChainstateManager& chainman,
+                                                                bool fReset,
+                                                                bool fReindexChainState,
+                                                                const CChainParams& chainparams,
+                                                                unsigned int check_blocks,
+                                                                unsigned int check_level);
 
 #endif // BITCOIN_NODE_CHAINSTATE_H