Exemplo n.º 1
0
 def filter_orderbook(self, orderbook, sweep=False):
     if sweep:
         self.orderbook = orderbook  #offers choosing deferred to next step
     else:
         self.orderbook, self.total_cj_fee = choose_orders(
             orderbook, self.cjamount, self.n_counterparties,
             self.order_chooser, self.ignored_makers)
         if self.orderbook is None:
             #Failure to get an orderbook means order selection failed
             #for some reason; no action is taken, we let the stallMonitor
             # + the finished callback decide whether to retry.
             return False
         if self.filter_orders_callback:
             accepted = self.filter_orders_callback(
                 [self.orderbook, self.total_cj_fee], self.cjamount)
             if accepted == "retry":
                 #Special condition if Taker is "determined to continue"
                 #(such as tumbler); even though these offers are rejected,
                 #we don't trigger the finished callback; see above note on
                 #`if self.orderbook is None`
                 return False
             if not accepted:
                 self.on_finished_callback(False)
                 return False
     return True
Exemplo n.º 2
0
 def filter_orderbook(self, orderbook, sweep=False):
     #If honesty filter is set, we immediately filter to only the prescribed
     #honest makers before continuing. In this case, the number of
     #counterparties should already match, and this has to be set by the
     #script instantiating the Taker.
     #Note: If one or more of the honest makers has dropped out in the meantime,
     #we will just have insufficient offers and it will fail in the usual way
     #for insufficient liquidity.
     if self.honest_only:
         orderbook = [
             o for o in orderbook if o['counterparty'] in self.honest_makers
         ]
     if sweep:
         self.orderbook = orderbook  #offers choosing deferred to next step
     else:
         if self.wallet_service.get_txtype() == "p2pkh":
             allowed_types = ["reloffer", "absoffer"]
         elif self.wallet_service.get_txtype() == "p2sh-p2wpkh":
             allowed_types = ["swreloffer", "swabsoffer"]
         elif self.wallet_service.get_txtype() == "p2wpkh":
             allowed_types = ["sw0reloffer", "sw0absoffer"]
         else:
             jlog.error("Unrecognized wallet type, taker cannot continue.")
             return False
         self.orderbook, self.total_cj_fee = choose_orders(
             orderbook,
             self.cjamount,
             self.n_counterparties,
             self.order_chooser,
             self.ignored_makers,
             allowed_types=allowed_types,
             max_cj_fee=self.max_cj_fee)
         if self.orderbook is None:
             #Failure to get an orderbook means order selection failed
             #for some reason; no action is taken, we let the stallMonitor
             # + the finished callback decide whether to retry.
             return False
         if self.filter_orders_callback:
             accepted = self.filter_orders_callback(
                 [self.orderbook, self.total_cj_fee], self.cjamount)
             if accepted == "retry":
                 #Special condition if Taker is "determined to continue"
                 #(such as tumbler); even though these offers are rejected,
                 #we don't trigger the finished callback; see above note on
                 #`if self.orderbook is None`
                 return False
             if not accepted:
                 return False
     return True