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-rw-r--r--src/validation.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/validation.h b/src/validation.h
index d0f6cdc135..214d29173c 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;