core/forkid: add comment about skipping non-zero fork times

ethereum · Aug 31, 2023 · e27464a · e27464a
1 parent 9ed60b8
commit e27464a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/core/forkid/forkid.go b/core/forkid/forkid.go
@@ -292,6 +292,7 @@ func gatherForks(config *params.ChainConfig, genesis uint64) ([]uint64, []uint64
 	if len(forksByTime) > 0 && forksByTime[0] == 0 {
 		forksByTime = forksByTime[1:]
 	}
+	// Skip any forks by time that are non-zero, but before genesis.
 	if len(forksByTime) > 0 && forksByTime[0] <= genesis {
 		forksByTime = forksByTime[1:]
 	}