make fee_slider thread safe
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parent
0a31acbdf2
commit
6055d4b2fd
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@ -5,6 +5,8 @@ from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import PyQt4.QtCore as QtCore
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import threading
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class FeeSlider(QSlider):
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def __init__(self, window, config, callback):
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@ -13,31 +15,43 @@ class FeeSlider(QSlider):
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self.fee_step = self.config.max_fee_rate() / 10
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self.window = window
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self.callback = callback
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self.setToolTip('')
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self.dyn = False
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self.lock = threading.RLock()
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self.update()
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self.valueChanged.connect(self.moved)
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def moved(self, pos):
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with self.lock:
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fee_rate = self.config.dynfee(pos) if self.dyn else pos * self.fee_step
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tooltip = self.get_tooltip(pos, fee_rate)
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QToolTip.showText(QCursor.pos(), tooltip, self)
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self.setToolTip(tooltip)
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self.callback(self.dyn, pos, fee_rate)
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def get_tooltip(self, pos, fee_rate):
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from electrum.util import fee_levels
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dyn = self.config.is_dynfee()
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fee_rate = self.config.dynfee(pos) if dyn else pos * self.fee_step
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rate_str = self.window.format_amount(fee_rate) + ' ' + self.window.base_unit() + '/kB'
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if dyn:
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if self.dyn:
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tooltip = fee_levels[pos] + '\n' + rate_str
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else:
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tooltip = rate_str
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if self.config.has_fee_estimates():
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i = self.config.reverse_dynfee(fee_rate)
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tooltip += '\n' + (_('low fee') if i < 0 else 'Within %d blocks'%i)
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QToolTip.showText(QCursor.pos(), tooltip, self)
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self.callback(dyn, pos, fee_rate)
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return tooltip
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def update(self):
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if self.config.is_dynfee():
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self.setRange(0, 4)
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self.setValue(self.config.get('fee_level', 2))
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else:
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self.setRange(1, 10)
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fee_rate = self.config.fee_per_kb()
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pos = min(fee_rate / self.fee_step, 10)
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self.setValue(pos)
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with self.lock:
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self.dyn = self.config.is_dynfee()
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if self.dyn:
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pos = self.config.get('fee_level', 2)
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fee_rate = self.config.dynfee(pos)
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self.setRange(0, 4)
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self.setValue(pos)
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else:
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fee_rate = self.config.fee_per_kb()
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pos = min(fee_rate / self.fee_step, 10)
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self.setRange(1, 10)
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self.setValue(pos)
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tooltip = self.get_tooltip(pos, fee_rate)
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self.setToolTip(tooltip)
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