1 files changed, 4 insertions, 1 deletions
diff --git a/src/validation.h b/src/validation.h
index d0f6cdc135..23d4b35585 100644
--- a/src/validation.h
+++ b/src/validation.h
@@ -186,6 +186,9 @@ extern bool fEnableReplacement;
 /** Block hash whose ancestors we will assume to have valid scripts without checking them. */
 extern uint256 hashAssumeValid;
 
+/** Minimum work we will assume exists on some valid chain. */
+extern arith_uint256 nMinimumChainWork;
+
 /** Best header we've seen so far (used for getheaders queries' starting points). */
 extern CBlockIndex *pindexBestHeader;
 
@@ -475,7 +478,7 @@ static const unsigned int REJECT_HIGHFEE = 0x100;
 CBlockFileInfo* GetBlockFileInfo(size_t n);
 
 /** Dump the mempool to disk. */
-void DumpMempool();
+bool DumpMempool();
 
 /** Load the mempool from disk. */
 bool LoadMempool();