diff --git a/src/stats.py b/src/stats.py
--- a/src/stats.py
+++ b/src/stats.py
@@ -1,31 +1,39 @@
 class Stats:
-	received=0
-	sent=0
-	exchangedNodes=0
-	transferredBlocks=0
+	def __init__(self):
+		self.received=0
+		self.sent=0
+		self.exchangedNodes=0
+		self.transferredBlocks=0
+
+stats=Stats()
 
 
 def logReceived(data):
-	Stats.received+=len(data)
+	stats.received+=len(data)
 
 
 def logSent(data):
-	Stats.sent+=len(data)
+	stats.sent+=len(data)
 
 
 def logExchangedNode(k=1):
-	Stats.exchangedNodes+=k
+	stats.exchangedNodes+=k
 
 
 def logTransferredBlock():
-	Stats.transferredBlocks+=1
+	stats.transferredBlocks+=1
+
+
+def reset():
+	global stats
+	stats=Stats()
 
 
 def report():
 	return """received {rf} ({r:,} B)
 sent {sf} ({s:,} B)
 exchanged {nodes:,} hash tree nodes
-transferred {blocks:,} blocks""".format(rf=formatBytes(Stats.received), r=Stats.received, sf=formatBytes(Stats.sent), s=Stats.sent, nodes=Stats.exchangedNodes, blocks=Stats.transferredBlocks)
+transferred {blocks:,} blocks""".format(rf=formatBytes(stats.received), r=stats.received, sf=formatBytes(stats.sent), s=stats.sent, nodes=stats.exchangedNodes, blocks=stats.transferredBlocks)
 
 
 def formatBytes(x):