commit 94dc2149821dcf7df2e9f8532c7175f779378ec3
parent 358722b9ccd1efed17fe96ea6a78b5c850217a18
Author: ThomasV <thomasv@electrum.org>
Date: Thu, 12 Jul 2018 10:12:45 +0200
Merge pull request #4541 from haarts/preliminaries
Preliminaries
Diffstat:
3 files changed, 38 insertions(+), 36 deletions(-)
diff --git a/lib/network.py b/lib/network.py
@@ -78,6 +78,7 @@ def parse_servers(result):
servers[host] = out
return servers
+
def filter_version(servers):
def is_recent(version):
try:
@@ -87,7 +88,7 @@ def filter_version(servers):
return {k: v for k, v in servers.items() if is_recent(v.get('version'))}
-def filter_protocol(hostmap, protocol = 's'):
+def filter_protocol(hostmap, protocol='s'):
'''Filters the hostmap for those implementing protocol.
The result is a list in serialized form.'''
eligible = []
@@ -97,12 +98,14 @@ def filter_protocol(hostmap, protocol = 's'):
eligible.append(serialize_server(host, port, protocol))
return eligible
+
def pick_random_server(hostmap = None, protocol = 's', exclude_set = set()):
if hostmap is None:
hostmap = constants.net.DEFAULT_SERVERS
eligible = list(set(filter_protocol(hostmap, protocol)) - exclude_set)
return random.choice(eligible) if eligible else None
+
from .simple_config import SimpleConfig
proxy_modes = ['socks4', 'socks5', 'http']
@@ -201,7 +204,7 @@ class Network(util.DaemonThread):
self.pending_sends = []
self.message_id = 0
self.debug = False
- self.irc_servers = {} # returned by interface (list from irc)
+ self.irc_servers = {} # returned by interface (list from irc)
self.recent_servers = self.read_recent_servers() # note: needs self.recent_servers_lock
self.banner = ''
@@ -213,7 +216,7 @@ class Network(util.DaemonThread):
# callbacks set by the GUI
self.callbacks = defaultdict(list) # note: needs self.callback_lock
- dir_path = os.path.join( self.config.path, 'certs')
+ dir_path = os.path.join(self.config.path, 'certs')
util.make_dir(dir_path)
# subscriptions and requests
@@ -312,9 +315,6 @@ class Network(util.DaemonThread):
def is_connecting(self):
return self.connection_status == 'connecting'
- def is_up_to_date(self):
- return self.unanswered_requests == {}
-
@with_interface_lock
def queue_request(self, method, params, interface=None):
# If you want to queue a request on any interface it must go
@@ -406,7 +406,7 @@ class Network(util.DaemonThread):
except:
continue
if host not in out:
- out[host] = { protocol:port }
+ out[host] = {protocol: port}
return out
@with_interface_lock
@@ -416,7 +416,7 @@ class Network(util.DaemonThread):
self.print_error("connecting to %s as new interface" % server)
self.set_status('connecting')
self.connecting.add(server)
- c = Connection(server, self.socket_queue, self.config.path)
+ Connection(server, self.socket_queue, self.config.path)
def start_random_interface(self):
with self.interface_lock:
@@ -553,7 +553,7 @@ class Network(util.DaemonThread):
if self.server_is_lagging() and self.auto_connect:
# switch to one that has the correct header (not height)
header = self.blockchain().read_header(self.get_local_height())
- filtered = list(map(lambda x:x[0], filter(lambda x: x[1].tip_header==header, self.interfaces.items())))
+ filtered = list(map(lambda x: x[0], filter(lambda x: x[1].tip_header == header, self.interfaces.items())))
if filtered:
choice = random.choice(filtered)
self.switch_to_interface(choice)
@@ -569,6 +569,7 @@ class Network(util.DaemonThread):
self.interface = None
self.start_interface(server)
return
+
i = self.interfaces[server]
if self.interface != i:
self.print_error("switching to", server)
@@ -601,7 +602,7 @@ class Network(util.DaemonThread):
def process_response(self, interface, response, callbacks):
if self.debug:
- self.print_error("<--", response)
+ self.print_error(interface.host, "<--", response)
error = response.get('error')
result = response.get('result')
method = response.get('method')
@@ -798,6 +799,7 @@ class Network(util.DaemonThread):
server, socket = self.socket_queue.get()
if server in self.connecting:
self.connecting.remove(server)
+
if socket:
self.new_interface(server, socket)
else:
@@ -1008,6 +1010,7 @@ class Network(util.DaemonThread):
interface.mode = 'default'
interface.request = None
self.notify('updated')
+
# refresh network dialog
self.notify('interfaces')
diff --git a/lib/verifier.py b/lib/verifier.py
@@ -42,42 +42,44 @@ class SPV(ThreadJob):
interface = self.network.interface
if not interface:
return
+
blockchain = interface.blockchain
if not blockchain:
return
- lh = self.network.get_local_height()
+
+ local_height = self.network.get_local_height()
unverified = self.wallet.get_unverified_txs()
for tx_hash, tx_height in unverified.items():
# do not request merkle branch before headers are available
- if (tx_height > 0) and (tx_height <= lh):
- header = blockchain.read_header(tx_height)
- if header is None:
- index = tx_height // 2016
- if index < len(blockchain.checkpoints):
- self.network.request_chunk(interface, index)
- else:
- if (tx_hash not in self.requested_merkle
- and tx_hash not in self.merkle_roots):
-
- self.network.get_merkle_for_transaction(
- tx_hash,
- tx_height,
- self.verify_merkle)
- self.print_error('requested merkle', tx_hash)
- self.requested_merkle.add(tx_hash)
+ if tx_height <= 0 or tx_height > local_height:
+ continue
+
+ header = blockchain.read_header(tx_height)
+ if header is None:
+ index = tx_height // 2016
+ if index < len(blockchain.checkpoints):
+ self.network.request_chunk(interface, index)
+ elif (tx_hash not in self.requested_merkle
+ and tx_hash not in self.merkle_roots):
+ self.network.get_merkle_for_transaction(
+ tx_hash,
+ tx_height,
+ self.verify_merkle)
+ self.print_error('requested merkle', tx_hash)
+ self.requested_merkle.add(tx_hash)
if self.network.blockchain() != self.blockchain:
self.blockchain = self.network.blockchain()
self.undo_verifications()
- def verify_merkle(self, r):
+ def verify_merkle(self, response):
if self.wallet.verifier is None:
return # we have been killed, this was just an orphan callback
- if r.get('error'):
- self.print_error('received an error:', r)
+ if response.get('error'):
+ self.print_error('received an error:', response)
return
- params = r['params']
- merkle = r['result']
+ params = response['params']
+ merkle = response['result']
# Verify the hash of the server-provided merkle branch to a
# transaction matches the merkle root of its block
tx_hash = params[0]
diff --git a/lib/wallet.py b/lib/wallet.py
@@ -218,10 +218,7 @@ class Abstract_Wallet(PrintError):
self.load_unverified_transactions()
self.remove_local_transactions_we_dont_have()
- # There is a difference between wallet.up_to_date and network.is_up_to_date().
- # network.is_up_to_date() returns true when all requests have been answered and processed
- # wallet.up_to_date is true when the wallet is synchronized (stronger requirement)
- # Neither of them considers the verifier.
+ # wallet.up_to_date is true when the wallet is synchronized
self.up_to_date = False
# save wallet type the first time
