on_header: return early if block_height is missing

11 years ago · 173c034e26
1 changed files with 4 additions and 1 deletions
--- a/lib/network.py
+++ b/lib/network.py
@ -371,8 +371,11 @@ class Network(threading.Thread):

    def on_header(self, i, r):
        result = r.get('result')
-        if not result: return
+        if not result:
+            return
        height = result.get('block_height')
+        if not height:
+            return
        self.heights[i.server] = height
        self.merkle_roots[i.server] = result.get('merkle_root')
        self.utxo_roots[i.server] = result.get('utxo_root')