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113 lines
3.5 KiB
113 lines
3.5 KiB
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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