electrum

commit 0d05b84dc3234791d73f6aa098d7d799910943b4
parent 02c30e3d520d130866e8edc4cd13eb229a853f49
Author: ghost43 <somber.night@protonmail.com>
Date:   Sun, 29 Jul 2018 03:56:10 +0200

network: handle reorg (sooner) in case of multiple forks at given height (#4537)


Diffstat:
M
electrum/network.py
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/electrum/network.py b/electrum/network.py
@@ -897,6 +897,7 @@ class Network(util.DaemonThread):
             self.connection_down(interface.server)
             return
         height = header.get('block_height')
+        #interface.print_error('got header', height, blockchain.hash_header(header))
         if interface.request != height:
             interface.print_error("unsolicited header",interface.request, height)
             self.connection_down(interface.server)
@@ -952,7 +953,7 @@ class Network(util.DaemonThread):
                     elif branch.parent().check_header(header):
                         interface.print_error('reorg', interface.bad, interface.tip)
                         interface.blockchain = branch.parent()
-                        next_height = None
+                        next_height = interface.bad
                     else:
                         interface.print_error('checkpoint conflicts with existing fork', branch.path())
                         branch.write(b'', 0)
@@ -1086,6 +1087,7 @@ class Network(util.DaemonThread):
         except InvalidHeader:
             self.connection_down(interface.server)
             return
+        #interface.print_error('notified of header', height, blockchain.hash_header(header))
         if height < self.max_checkpoint():
             self.connection_down(interface.server)
             return