diff --git a/src/stats.py b/src/stats.py
--- a/src/stats.py
+++ b/src/stats.py
@@ -2,26 +2,27 @@ class Stats:
 	def __init__(self):
 		self.received = 0
 		self.sent = 0
-		self.exchangedNodes = 0
-		self.transferredBlocks = 0
+		self.exchanged_nodes = 0
+		self.transferred_blocks = 0
+
 
 stats = Stats()
 
 
-def logReceived(data):
+def log_received(data):
 	stats.received += len(data)
 
 
-def logSent(data):
+def log_sent(data):
 	stats.sent += len(data)
 
 
-def logExchangedNode(k=1):
-	stats.exchangedNodes += k
+def log_exchanged_node(k=1):
+	stats.exchanged_nodes += k
 
 
-def logTransferredBlock(k=1):
-	stats.transferredBlocks += k
+def log_transferred_block(k=1):
+	stats.transferred_blocks += k
 
 
 def reset():
@@ -34,16 +35,16 @@ def report():
 sent {sf} ({s:,} B)
 exchanged {nodes:,} hash tree nodes
 transferred {blocks:,} blocks""".format(
-		rf=formatBytes(stats.received),
+		rf=format_bytes(stats.received),
 		r=stats.received,
-		sf=formatBytes(stats.sent),
+		sf=format_bytes(stats.sent),
 		s=stats.sent,
-		nodes=stats.exchangedNodes,
-		blocks=stats.transferredBlocks
+		nodes=stats.exchanged_nodes,
+		blocks=stats.transferred_blocks
 	)
 
 
-def formatBytes(x):
+def format_bytes(x):
 	exts = ["B", "kiB", "MiB", "GiB", "TiB", "PiB"]
 	i = 0
 	while x>1024: