fix(bridge_node.py): retry failed API calls

Olexandr88 · Mar 29, 2023 · 2dc1359 · 2dc1359
1 parent eda205a
commit 2dc1359
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/headers_chain_proof/bridge_node.py b/src/headers_chain_proof/bridge_node.py
@@ -102,6 +102,12 @@ def get_block_header(block_height):
 
     url = f'https://blockstream.info/api/block/{ block_hash }'
     r = http.request('GET', url)
+    tries = 0
+    while r.status != 200 and tries < 4:
+        print('ERROR: get_block_header received a bad answer from the API:',
+              r.status, r.data.decode('utf-8'))
+        # Try again
+        r = http_request('GET', url)
     header = r.data.decode('utf-8')
     return json.loads(header)