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Sliding window long polling rate limit #41

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Sliding window long polling rate limit #41

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fb50759
sliding window long polling rate limit
forrestv Jul 26, 2011
aa5aa93
instead try only delaying on errors
forrestv Jul 28, 2011
fe9858f
X-Work-Identifier implementation
forrestv Jul 29, 2011
5590e7c
make header a string for completeness' sake
forrestv Jul 31, 2011
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11 changes: 8 additions & 3 deletions HttpTransport.py
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Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,6 @@ def send_internal(self, result, nonce):
def long_poll_thread(self):
last_host = None
while True:
sleep(1)
url = self.long_poll_url
if url != '':
proto = self.proto
Expand Down Expand Up @@ -165,12 +164,17 @@ def long_poll_thread(self):
say_line('long poll: new block %s%s', (result['result']['data'][56:64], result['result']['data'][48:56]))
except NotAuthorized:
say_line('long poll: Wrong username or password')
sleep(.5)
except RPCError as e:
say_line('long poll: %s', e)
sleep(.5)
except (IOError, httplib.HTTPException, ValueError):
say_line('long poll: IO error')
#traceback.print_exc()
self.close_lp_connection()
sleep(.5)
else:
sleep(.5)

def stop(self):
self.should_stop = True
Expand All @@ -179,7 +183,7 @@ def stop(self):
def set_server(self, server):
super(HttpTransport, self).set_server(server)
user, pwd = server[1:3]
self.headers = {"User-Agent": self.user_agent, "Authorization": 'Basic ' + b64encode('%s:%s' % (user, pwd))}
self.headers = {"User-Agent": self.user_agent, "Authorization": 'Basic ' + b64encode('%s:%s' % (user, pwd)), 'X-Work-Identifier': '1'}
self.long_poll_url = ''
if self.connection:
self.connection.close()
Expand Down Expand Up @@ -211,7 +215,8 @@ def decode(self, work):
job.f = np.zeros(8, np.uint32)
job.state2 = partial(job.state, job.merkle_end, job.time, job.difficulty, job.f)
job.targetQ = 2**256 / int(''.join(list(chunks(work['target'], 2))[::-1]), 16)
job.identifier = (1, work['identifier']) if 'identifier' in work else (0, job.header[25:29])

calculateF(job.state, job.merkle_end, job.time, job.difficulty, job.f, job.state2)

return job
return job
4 changes: 2 additions & 2 deletions Transport.py
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Original file line number Diff line number Diff line change
Expand Up @@ -117,8 +117,8 @@ def queue_work(self, work):
self.miner.work_queue.put(work)
if work:
self.update = False; self.last_work = time()
if self.last_block != work.header[25:29]:
self.last_block = work.header[25:29]
if self.last_block != work.identifier:
self.last_block = work.identifier
self.clear_result_queue()

def clear_result_queue(self):
Expand Down