do not include BlockEqualTS as valid uncles

core/block_processor.go

@@ -342,7 +342,7 @@ func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *ty
 			return UncleError(fmt.Sprintf("Uncle's parent unknown (%x)", uncle.ParentHash[0:4]))
 		}
 
-		if err := sm.ValidateHeader(uncle, ancestorHeaders[uncle.ParentHash]); err != nil && err != BlockEqualTSErr {
+		if err := sm.ValidateHeader(uncle, ancestorHeaders[uncle.ParentHash]); err != nil {
 			return ValidationError(fmt.Sprintf("%v", err))
 		}
 

core/chain_manager.go

@@ -448,7 +448,8 @@ func (self *ChainManager) InsertChain(chain types.Blocks) error {
 			}
 
 			if err == BlockEqualTSErr {
-				queue[i] = ChainSideEvent{block, logs}
+				//queue[i] = ChainSideEvent{block, logs}
+				// XXX silently discard it?
 				continue
 			}