revert back curRate != 0

blockchain/pool.go

@@ -126,8 +126,8 @@ func (pool *BlockPool) removeTimedoutPeers() {
 	for _, peer := range pool.peers {
 		if !peer.didTimeout && peer.numPending > 0 {
 			curRate := peer.recvMonitor.Status().CurRate
-			// XXX remove curRate != 0
-			if curRate < minRecvRate {
+			// curRate can be 0 on start
+			if curRate != 0 && curRate < minRecvRate {
 				pool.sendTimeout(peer.id)
 				pool.Logger.Error("SendTimeout", "peer", peer.id,
 					"reason", "peer is not sending us data fast enough",