forked from LBRYCommunity/lbry-sdk
127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
from decimal import Decimal
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from lbrynet.p2p.Strategy import get_default_strategy, OnlyFreeStrategy
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class BasePaymentRateManager:
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def __init__(self, rate, info_rate):
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self.min_blob_data_payment_rate = rate
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self.min_blob_info_payment_rate = info_rate
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class PaymentRateManager:
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def __init__(self, base, rate=None):
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"""
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@param base: a BasePaymentRateManager
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@param rate: the min blob data payment rate
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"""
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self.base = base
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self.min_blob_data_payment_rate = rate
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self.points_paid = 0.0
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def get_rate_blob_data(self, peer):
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return self.get_effective_min_blob_data_payment_rate()
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def accept_rate_blob_data(self, peer, payment_rate):
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return payment_rate >= self.get_effective_min_blob_data_payment_rate()
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def get_effective_min_blob_data_payment_rate(self):
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if self.min_blob_data_payment_rate is None:
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return self.base.min_blob_data_payment_rate
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return self.min_blob_data_payment_rate
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def record_points_paid(self, amount):
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self.points_paid += amount
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class NegotiatedPaymentRateManager:
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def __init__(self, base, availability_tracker, generous):
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"""
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@param base: a BasePaymentRateManager
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@param availability_tracker: a BlobAvailabilityTracker
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@param rate: the min blob data payment rate
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"""
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self.base = base
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self.min_blob_data_payment_rate = base.min_blob_data_payment_rate
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self.points_paid = 0.0
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self.blob_tracker = availability_tracker
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self.generous = generous
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self.strategy = get_default_strategy(
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self.blob_tracker, self.base.min_blob_data_payment_rate, generous
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)
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def get_rate_blob_data(self, peer, blobs):
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response = self.strategy.make_offer(peer, blobs)
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return response.rate
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def accept_rate_blob_data(self, peer, blobs, offer):
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offer = self.strategy.respond_to_offer(offer, peer, blobs)
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self.strategy.update_accepted_offers(peer, offer)
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return offer.is_accepted
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def reply_to_offer(self, peer, blobs, offer):
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reply = self.strategy.respond_to_offer(offer, peer, blobs)
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self.strategy.update_accepted_offers(peer, reply)
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return reply
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def get_rate_for_peer(self, peer):
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return self.strategy.accepted_offers.get(peer, False)
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def record_points_paid(self, amount):
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self.points_paid += amount
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def record_offer_reply(self, peer, offer):
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self.strategy.update_accepted_offers(peer, offer)
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def price_limit_reached(self, peer):
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if peer in self.strategy.pending_sent_offers:
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offer = self.strategy.pending_sent_offers[peer]
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return (offer.is_too_low and
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round(Decimal.from_float(offer.rate), 5) >= round(self.strategy.max_rate, 5))
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return False
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class OnlyFreePaymentsManager:
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def __init__(self, **kwargs):
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"""
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A payment rate manager that will only ever accept and offer a rate of 0.0,
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Used for testing
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"""
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self.base = BasePaymentRateManager(0.0, 0.0)
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self.points_paid = 0.0
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self.min_blob_data_payment_rate = 0.0
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self.generous = True
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self.strategy = OnlyFreeStrategy()
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def get_rate_blob_data(self, peer, blobs):
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response = self.strategy.make_offer(peer, blobs)
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return response.rate
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def accept_rate_blob_data(self, peer, blobs, offer):
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offer = self.strategy.respond_to_offer(offer, peer, blobs)
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self.strategy.update_accepted_offers(peer, offer)
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return offer.is_accepted
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def reply_to_offer(self, peer, blobs, offer):
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reply = self.strategy.respond_to_offer(offer, peer, blobs)
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self.strategy.update_accepted_offers(peer, reply)
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return reply
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def get_rate_for_peer(self, peer):
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return self.strategy.accepted_offers.get(peer, False)
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def record_points_paid(self, amount):
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self.points_paid += amount
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def record_offer_reply(self, peer, offer):
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self.strategy.update_accepted_offers(peer, offer)
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def price_limit_reached(self, peer):
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if peer in self.strategy.pending_sent_offers:
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offer = self.strategy.pending_sent_offers[peer]
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if offer.rate > 0.0:
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return True
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return False
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