if p2pool.DEBUG:
print 'POLL %i END identifier=%i' % (id, self.worker_bridge.new_work_event.times)
- defer.returnValue(res.getwork(identifier=str(self.worker_bridge.new_work_event.times), submitold=True))
+ extra_params = {}
+ if request.getHeader('User-Agent') == 'Jephis PIC Miner':
+ # ASICMINER BE Blades apparently have a buffer overflow bug and
+ # can't handle much extra in the getwork response
+ extra_params = {}
+ else:
+ extra_params = dict(identifier=str(self.worker_bridge.new_work_event.times), submitold=True)
+ defer.returnValue(res.getwork(**extra_params))
+
+class CachingWorkerBridge(object):
+ def __init__(self, inner):
+ self._inner = inner
+ self.net = self._inner.net
+
+ self.COINBASE_NONCE_LENGTH = (inner.COINBASE_NONCE_LENGTH+1)//2
+ self.new_work_event = inner.new_work_event
+ self.preprocess_request = inner.preprocess_request
+
+ self._my_bits = (self._inner.COINBASE_NONCE_LENGTH - self.COINBASE_NONCE_LENGTH)*8
+
+ self._cache = {}
+ self._times = None
+
+ def get_work(self, *args):
+ if self._times != self.new_work_event.times:
+ self._cache = {}
+ self._times = self.new_work_event.times
+
+ if args not in self._cache:
+ x, handler = self._inner.get_work(*args)
+ self._cache[args] = x, handler, 0
+
+ x, handler, nonce = self._cache.pop(args)
+
+ res = (
+ dict(x, coinb1=x['coinb1'] + pack.IntType(self._my_bits).pack(nonce)),
+ lambda header, user, coinbase_nonce: handler(header, user, pack.IntType(self._my_bits).pack(nonce) + coinbase_nonce),
+ )
+
+ if nonce + 1 != 2**self._my_bits:
+ self._cache[args] = x, handler, nonce + 1
+
+ return res