network: avoid infinite loop if server headers conflict with checkpoints and server height is above max checkpoint

2018-06-25 11:53:31 +02:00 · 2018-06-25 11:53:31 +02:00 · 9a8183f348
commit 9a8183f348
parent 51ed8a998c
1 changed files with 3 additions and 0 deletions
--- a/lib/network.py
+++ b/lib/network.py
@ -893,6 +893,9 @@ class Network(util.DaemonThread):
                    interface.bad_header = header
                    delta = interface.tip - height
                    next_height = max(self.max_checkpoint(), interface.tip - 2 * delta)
+                    if height == next_height:
+                        self.connection_down(interface.server)
+                        next_height = None

        elif interface.mode == 'binary':
            if chain: