all: change blacklist terms

core/headerchain.go

@@ -315,11 +315,11 @@ func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int)
 		}
 		// If the header is a banned one, straight out abort
 		if BadHashes[chain[i].ParentHash] {
-			return i - 1, ErrBlacklistedHash
+			return i - 1, ErrBannedHash
 		}
 		// If it's the last header in the cunk, we need to check it too
 		if i == len(chain)-1 && BadHashes[chain[i].Hash()] {
-			return i, ErrBlacklistedHash
+			return i, ErrBannedHash
 		}
 	}