replica: add debug logs

replica/replica.go

@@ -60,16 +60,19 @@ func (replica *replica) SyncCommit(commit block.Commit) bool {
 func (replica *replica) Transition(transition state.Transition) {
 	for ok := true; ok; transition, ok = replica.transitionBuffer.Dequeue(replica.stateMachine.Height()) {
 		if replica.shouldDropTransition(transition) {
+			fmt.Println("dropping transition")
 			continue
 		}
 
 		if !replica.isTransitionValid(transition) {
+			fmt.Println("invalid transition")
 			continue
 		}
 
 		// If a `Proposed` is seen for a higher round, buffer and return immediately
 		if replica.shouldBufferTransition(transition) {
 			replica.transitionBuffer.Enqueue(transition)
+			fmt.Println("buffering transition")
 			return
 		}