Periodically poll fee estimates from server.
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@ -314,12 +314,16 @@ class Network(util.DaemonThread):
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self.queue_request('server.banner', [])
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self.queue_request('server.donation_address', [])
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self.queue_request('server.peers.subscribe', [])
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for i in bitcoin.FEE_TARGETS:
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self.queue_request('blockchain.estimatefee', [i])
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self.request_fee_estimates()
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self.queue_request('blockchain.relayfee', [])
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for h in self.subscribed_addresses:
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self.queue_request('blockchain.scripthash.subscribe', [h])
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def request_fee_estimates(self):
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self.config.requested_fee_estimates()
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for i in bitcoin.FEE_TARGETS:
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self.queue_request('blockchain.estimatefee', [i])
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def get_status_value(self, key):
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if key == 'status':
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value = self.connection_status
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@ -542,7 +546,7 @@ class Network(util.DaemonThread):
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if error is None and result > 0:
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i = params[0]
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fee = int(result*COIN)
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self.config.fee_estimates[i] = fee
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self.config.update_fee_estimates(i, fee)
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self.print_error("fee_estimates[%d]" % i, fee)
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self.notify('fee')
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elif method == 'blockchain.relayfee':
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@ -746,6 +750,9 @@ class Network(util.DaemonThread):
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self.server_retry_time = now
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else:
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self.switch_to_interface(self.default_server)
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else:
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if self.config.is_fee_estimates_update_required():
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self.request_fee_estimates()
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def request_chunk(self, interface, idx):
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interface.print_error("requesting chunk %d" % idx)
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@ -6,6 +6,7 @@ from __future__ import unicode_literals
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import ast
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import json
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import threading
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import time
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import os
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from copy import deepcopy
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@ -48,6 +49,8 @@ class SimpleConfig(PrintError):
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self.lock = threading.RLock()
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self.fee_estimates = {}
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self.fee_estimates_last_updated = {}
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self.last_time_fee_estimates_requested = 0 # zero ensures immediate fees
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# The following two functions are there for dependency injection when
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# testing.
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@ -243,6 +246,24 @@ class SimpleConfig(PrintError):
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fee_rate = self.get('fee_per_kb', self.max_fee_rate()/2)
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return fee_rate
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def update_fee_estimates(self, key, value):
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self.fee_estimates[key] = value
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self.fee_estimates_last_updated[key] = time.time()
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def is_fee_estimates_update_required(self):
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"""Checks time since last requested and updated fee estimates.
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Returns True if an update should be requested.
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"""
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now = time.time()
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prev_updates = self.fee_estimates_last_updated.values()
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oldest_fee_time = min(prev_updates) if prev_updates else 0
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stale_fees = now - oldest_fee_time > 7200
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old_request = now - self.last_time_fee_estimates_requested > 60
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return stale_fees and old_request
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def requested_fee_estimates(self):
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self.last_time_fee_estimates_requested = time.time()
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def get_video_device(self):
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device = self.get("video_device", "default")
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if device == 'default':
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