diff --git a/src/client.py b/src/client.py
--- a/src/client.py
+++ b/src/client.py
@@ -4,7 +4,7 @@ import logging as log
 from datetime import datetime
 
 import config as conf
-from util import progress
+from util import Progress
 from hashtree import HashTree
 from networkers import NetworkReader,NetworkWriter
 
@@ -45,6 +45,7 @@ class Client:
 
 			# determine which blocks to send
 			print(datetime.now(), "negotiating:")
+			progress=Progress(localTree.leafCount)
 			while len(nodeStack)>0:
 				i=nodeStack.pop()
 				outcoming.writeMsg({"command":"req", "index":i})
@@ -59,8 +60,8 @@ class Client:
 						nodeStack.append(2*i+1)
 					else:
 						blocksToTransfer.append(i-localTree.leafStart) # leaf
-						progress(i-localTree.leafStart, localTree.leafCount)
-		print("100%")
+						progress.p(i-localTree.leafStart)
+		progress.done()
 
 		return blocksToTransfer
 
@@ -71,6 +72,7 @@ class Client:
 
 		print(datetime.now(), "sending data:")
 		with Connection() as (incoming,outcoming):
+			progress=Progress(len(blocksToTransfer))
 			for (k,i2) in enumerate(blocksToTransfer):
 				jsonData={"command":"send", "index":i2, "dataType":"data"}
 				if i1+1!=i2:
@@ -83,8 +85,8 @@ class Client:
 				jsonData,binData=incoming.readMsg()
 				assert jsonData["command"]=="ack" and jsonData["index"]==i2, jsonData
 				i1=i2
-				progress(k,len(blocksToTransfer))
-		print("100%")
+				progress.p(k)
+		progress.done()
 
 		with Connection() as (incoming,outcoming):
 			outcoming.writeMsg({"command":"end"})