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Tweak notify handling

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This commit is contained in:
Neil Booth 2016-11-16 22:44:08 +09:00
parent a42aa1f49e
commit a1eb446af4
1 changed files with 31 additions and 30 deletions
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61
server/protocol.py
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@ -108,9 +108,10 @@ class ServerManager(LoggedClass):
def notify(self, height, touched):
'''Notify sessions about height changes and touched addresses.'''
sessions = [session for session in self.sessions
if isinstance(session, ElectrumX)]
ElectrumX.notify(sessions, height, touched)
cache = {}
for session in self.sessions:
if isinstance(session, ElectrumX):
session.notify(height, touched, cache)
def stop(self):
'''Close listening servers.'''
@ -324,36 +325,36 @@ class ElectrumX(Session):
for prefix, suffixes in rpcs
for suffix in suffixes.split()}
@classmethod
def notify(cls, sessions, height, touched):
headers_payload = height_payload = None
def notify(self, height, touched, cache):
'''Notify the client about changes in height and touched addresses.
for session in sessions:
if height != session.notified_height:
session.notified_height = height
if session.subscribe_headers:
if headers_payload is None:
headers_payload = json_notification_payload(
'blockchain.headers.subscribe',
(session.electrum_header(height), ),
)
session.send_json(headers_payload)
Cache is a shared cache for this update.
'''
if height != self.notified_height:
self.notified_height = height
if self.subscribe_headers:
key = 'headers_payload'
if key not in cache:
cache[key] = json_notification_payload(
'blockchain.headers.subscribe',
(self.electrum_header(height), ),
)
self.send_json(cache[key])
if session.subscribe_height:
if height_payload is None:
height_payload = json_notification_payload(
'blockchain.numblocks.subscribe',
(height, ),
)
session.send_json(height_payload)
hash168_to_address = session.coin.hash168_to_address
for hash168 in session.hash168s.intersection(touched):
address = hash168_to_address(hash168)
status = session.address_status(hash168)
if self.subscribe_height:
payload = json_notification_payload(
'blockchain.address.subscribe', (address, status))
session.send_json(payload)
'blockchain.numblocks.subscribe',
(height, ),
)
self.send_json(payload)
hash168_to_address = self.coin.hash168_to_address
for hash168 in self.hash168s.intersection(touched):
address = hash168_to_address(hash168)
status = self.address_status(hash168)
payload = json_notification_payload(
'blockchain.address.subscribe', (address, status))
self.send_json(payload)
def height(self):
'''Return the block processor's current height.'''