114 lines
3.5 KiB
Python
114 lines
3.5 KiB
Python
from kivy.app import App
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from kivy.factory import Factory
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from kivy.properties import ObjectProperty
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from kivy.lang import Builder
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from electrum.util import fee_levels
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from electrum_gui.kivy.i18n import _
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Builder.load_string('''
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<FeeDialog@Popup>
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id: popup
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title: _('Transaction Fees')
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size_hint: 0.8, 0.8
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pos_hint: {'top':0.9}
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BoxLayout:
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orientation: 'vertical'
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BoxLayout:
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orientation: 'horizontal'
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size_hint: 1, 0.5
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Label:
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id: fee_per_kb
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text: ''
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Slider:
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id: slider
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range: 0, 4
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step: 1
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on_value: root.on_slider(self.value)
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BoxLayout:
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orientation: 'horizontal'
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size_hint: 1, 0.5
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Label:
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text: _('Dynamic Fees')
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CheckBox:
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id: dynfees
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on_active: root.on_checkbox(self.active)
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Widget:
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size_hint: 1, 1
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BoxLayout:
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orientation: 'horizontal'
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size_hint: 1, 0.5
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Button:
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text: 'Cancel'
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size_hint: 0.5, None
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height: '48dp'
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on_release: popup.dismiss()
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Button:
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text: 'OK'
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size_hint: 0.5, None
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height: '48dp'
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on_release:
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root.on_ok()
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root.dismiss()
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''')
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class FeeDialog(Factory.Popup):
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def __init__(self, app, config, callback):
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Factory.Popup.__init__(self)
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self.app = app
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self.config = config
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self.fee_step = self.config.max_fee_rate() / 10
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self.fee_rate = self.config.fee_per_kb()
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self.callback = callback
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self.dynfees = self.config.get('dynamic_fees', True)
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self.ids.dynfees.active = self.dynfees
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self.update_slider()
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self.update_text()
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def update_text(self):
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value = int(self.ids.slider.value)
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self.ids.fee_per_kb.text = self.get_fee_text(value)
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def update_slider(self):
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slider = self.ids.slider
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if self.dynfees:
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slider.range = (0, 4)
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slider.step = 1
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slider.value = self.config.get('fee_level', 2)
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else:
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slider.range = (1, 10)
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slider.step = 1
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slider.value = min(self.fee_rate / self.fee_step, 10)
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def get_fee_text(self, value):
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if self.ids.dynfees.active:
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tooltip = fee_levels[value]
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if self.config.has_fee_estimates():
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dynfee = self.config.dynfee(value)
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tooltip += '\n' + (self.app.format_amount_and_units(dynfee)) + '/kB'
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else:
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fee_rate = value * self.fee_step
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tooltip = self.app.format_amount_and_units(fee_rate) + '/kB'
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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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return tooltip
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def on_ok(self):
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value = int(self.ids.slider.value)
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self.config.set_key('dynamic_fees', self.dynfees, False)
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if self.dynfees:
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self.config.set_key('fee_level', value, True)
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else:
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self.config.set_key('fee_per_kb', value * self.fee_step, True)
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self.callback()
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def on_slider(self, value):
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self.update_text()
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def on_checkbox(self, b):
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self.dynfees = b
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self.update_slider()
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self.update_text()
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