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electrum-bitcoinprivate
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keep connection open with a manually selected server, even if they fail passing the checkpoint

This commit is contained in:
ThomasV 2017-03-31 12:04:29 +02:00
parent 23e51e7c9e
commit 31fc9b78af
1 changed files with 10 additions and 2 deletions
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12
lib/network.py
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@ -693,6 +693,7 @@ class Network(util.DaemonThread):
def new_interface(self, server, socket):
self.add_recent_server(server)
self.interfaces[server] = interface = Interface(server, socket)
interface.failed_checkpoint = False
self.queue_request('blockchain.block.get_header', [self.blockchain.checkpoint_height], interface)
self.queue_request('blockchain.headers.subscribe', [], interface)
if server == self.default_server:
@ -764,6 +765,7 @@ class Network(util.DaemonThread):
self.notify('updated')
else:
self.request_chunk(interface, data, idx)
self.notify('updated')
def request_header(self, interface, data, height):
interface.print_error("requesting header %d" % height)
@ -777,8 +779,11 @@ class Network(util.DaemonThread):
'''Handle receiving a single block header'''
# close connection if header does not pass checkpoint
if not self.blockchain.pass_checkpoint(response['result']):
interface.print_error("header did not pass checkpoint, dismissing interface", interface.host)
self.connection_down(interface.server)
if interface == self.interface and not auto_connect:
interface.failed_checkpoint = True
else:
interface.print_error("header did not pass checkpoint, dismissing interface")
self.connection_down(interface.server)
return
if self.blockchain.downloading_headers:
return
@ -787,6 +792,9 @@ class Network(util.DaemonThread):
req_height = data.get('header_height', -1)
# Ignore unsolicited headers
if req_if == interface and req_height == response['params'][0]:
if interface.failed_checkpoint:
self.bc_requests.popleft()
return
next_height = self.blockchain.connect_header(data['chain'], response['result'])
# If not finished, get the next header
if next_height in [True, False]: