Update lib/babe/verify.go

Co-authored-by: Quentin McGaw <[email protected]>
ChainSafe · Jun 14, 2022 · 199efc8 · 199efc8
1 parent 9d20bae
commit 199efc8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/babe/verify.go b/lib/babe/verify.go
@@ -388,7 +388,7 @@ func (b *verifier) verifyPreRuntimeDigest(digest *types.PreRuntimeDigest) (scale
 		authIdx = d.AuthorityIndex
 	}
 
-	if int(authIdx) < 0 || int(authIdx) >= len(b.authorities) {
+	if uint64(len(b.authorities)) < uint64(authIndex) {
 		logger.Tracef("verifyPreRuntimeDigest invalid auth index %d, we have %d auths",
 			authIdx, len(b.authorities))
 		return nil, ErrInvalidBlockProducerIndex