validation: Pass in chainstate to ::PruneBlockFilesManual

src/rpc/blockchain.cpp

@@ -1015,7 +1015,7 @@ static RPCHelpMan pruneblockchain()
         height = chainHeight - MIN_BLOCKS_TO_KEEP;
     }
 
-    PruneBlockFilesManual(height);
+    PruneBlockFilesManual(::ChainstateActive(), height);
     const CBlockIndex* block = ::ChainActive().Tip();
     CHECK_NONFATAL(block);
     while (block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA)) {

src/validation.cpp

@@ -3953,11 +3953,12 @@ void BlockManager::FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nM
 }
 
 /* This function is called from the RPC code for pruneblockchain */
-void PruneBlockFilesManual(int nManualPruneHeight)
+void PruneBlockFilesManual(CChainState& active_chainstate, int nManualPruneHeight)
 {
     BlockValidationState state;
     const CChainParams& chainparams = Params();
-    if (!::ChainstateActive().FlushStateToDisk(
+    assert(std::addressof(::ChainstateActive()) == std::addressof(active_chainstate));
+    if (!active_chainstate.FlushStateToDisk(
             chainparams, state, FlushStateMode::NONE, nManualPruneHeight)) {
         LogPrintf("%s: failed to flush state (%s)\n", __func__, state.ToString());
     }

src/validation.h

@@ -183,7 +183,7 @@ uint64_t CalculateCurrentUsage();
 void UnlinkPrunedFiles(const std::set<int>& setFilesToPrune);
 
 /** Prune block files up to a given height */
-void PruneBlockFilesManual(int nManualPruneHeight);
+void PruneBlockFilesManual(CChainState& active_chainstate, int nManualPruneHeight);
 
 /**
 * Validation result for a single transaction mempool acceptance.