lbry-sdk/lbrynet/core/PaymentRateManager.py
Jack ea21821558 fix issues with is_generous
-stop requesting blobs if price limit is reached and the offer still
has not been accepted

-drop max rate to old flat rate (0.005lbc/mb)
2016-10-20 12:29:55 -04:00

81 lines
No EOL
3 KiB
Python

from lbrynet.core.Strategy import get_default_strategy
from lbrynet.conf import MIN_BLOB_DATA_PAYMENT_RATE, MIN_BLOB_INFO_PAYMENT_RATE, is_generous_host
from decimal import Decimal
class BasePaymentRateManager(object):
def __init__(self, rate=MIN_BLOB_DATA_PAYMENT_RATE, info_rate=MIN_BLOB_INFO_PAYMENT_RATE):
self.min_blob_data_payment_rate = rate
self.min_blob_info_payment_rate = info_rate
class PaymentRateManager(object):
def __init__(self, base, rate=None):
"""
@param base: a BasePaymentRateManager
@param rate: the min blob data payment rate
"""
self.base = base
self.min_blob_data_payment_rate = rate
self.points_paid = 0.0
def get_rate_blob_data(self, peer):
return self.get_effective_min_blob_data_payment_rate()
def accept_rate_blob_data(self, peer, payment_rate):
return payment_rate >= self.get_effective_min_blob_data_payment_rate()
def get_effective_min_blob_data_payment_rate(self):
if self.min_blob_data_payment_rate is None:
return self.base.min_blob_data_payment_rate
return self.min_blob_data_payment_rate
def record_points_paid(self, amount):
self.points_paid += amount
class NegotiatedPaymentRateManager(object):
def __init__(self, base, availability_tracker, generous=is_generous_host):
"""
@param base: a BasePaymentRateManager
@param availability_tracker: a BlobAvailabilityTracker
@param rate: the min blob data payment rate
"""
self.base = base
self.points_paid = 0.0
self.blob_tracker = availability_tracker
self.generous = generous
self.strategy = get_default_strategy(self.blob_tracker,
base_price=self.base.min_blob_data_payment_rate,
is_generous=generous)
def get_rate_blob_data(self, peer, blobs):
response = self.strategy.make_offer(peer, blobs)
return response.rate
def accept_rate_blob_data(self, peer, blobs, offer):
offer = self.strategy.respond_to_offer(offer, peer, blobs)
self.strategy.update_accepted_offers(peer, offer)
return offer.is_accepted
def reply_to_offer(self, peer, blobs, offer):
reply = self.strategy.respond_to_offer(offer, peer, blobs)
self.strategy.update_accepted_offers(peer, reply)
return reply
def get_rate_for_peer(self, peer):
return self.strategy.accepted_offers.get(peer, False)
def record_points_paid(self, amount):
self.points_paid += amount
def record_offer_reply(self, peer, offer):
self.strategy.update_accepted_offers(peer, offer)
def price_limit_reached(self, peer):
if peer in self.strategy.pending_sent_offers:
offer = self.strategy.pending_sent_offers[peer]
return offer.is_too_low and round(Decimal.from_float(offer.rate), 5) >= round(self.strategy.max_rate, 5)
return False