Move wallet callbacks into cs_main (this effectively reverts #7946)

src/validation.cpp

@@ -2473,19 +2473,18 @@ bool ActivateBestChain(CValidationState &state, const CChainParams& chainparams,
             pindexNewTip = chainActive.Tip();
             pindexFork = chainActive.FindFork(pindexOldTip);
             fInitialDownload = IsInitialBlockDownload();
-        }
-        // When we reach this point, we switched to a new tip (stored in pindexNewTip).
-
-        // Notifications/callbacks that can run without cs_main
 
             // throw all transactions though the signal-interface
-        // while _not_ holding the cs_main lock
             for (const auto& pair : connectTrace.blocksConnected) {
                 assert(pair.second);
                 const CBlock& block = *(pair.second);
                 for (unsigned int i = 0; i < block.vtx.size(); i++)
                     GetMainSignals().SyncTransaction(*block.vtx[i], pair.first, i);
             }
+        }
+        // When we reach this point, we switched to a new tip (stored in pindexNewTip).
+
+        // Notifications/callbacks that can run without cs_main
 
         // Notify external listeners about the new tip.
         GetMainSignals().UpdatedBlockTip(pindexNewTip, pindexFork, fInitialDownload);