kivy: improve blockchain dialog
This commit is contained in:
ThomasV
parent
59b0b51f24
commit
51f8816ec7
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@ -3,45 +3,64 @@ 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.i18n import _
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Builder.load_string('''
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#:import _ electrum_gui.kivy.i18n._
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<CheckpointDialog@Popup>
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id: popup
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title: _('Blockchain')
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size_hint: 1, 1
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cp_height: 0
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cp_value: ''
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title: _('Checkpoint')
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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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Label:
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id: description
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text: 'In the event of a blockchain fork, a checkpoint can be used to ensure that you are on the correct blockchain.'
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halign: 'left'
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text_size: self.width, None
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size: self.texture_size
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BoxLayout:
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padding: '10dp'
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spacing: '10dp'
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TopLabel:
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height: '48dp'
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id: bc_height
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text: ''
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TopLabel:
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height: '48dp'
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id: bc_status
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text: ''
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Widget:
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size_hint: 1, 0.1
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TopLabel:
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text: _("In order to verify the history returned by your main server, Electrum downloads block headers from random nodes. These headers are then used to check that transactions sent by the server really are in the blockchain.")
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font_size: '6pt'
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Widget:
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size_hint: 1, 0.1
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GridLayout:
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orientation: 'horizontal'
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size_hint: 1, 0.2
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Label:
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text: _('Height')
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height: '48dp'
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cols: 2
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height: '36dp'
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TopLabel:
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text: _('Checkpoint') + ':'
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height: '36dp'
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TextInput:
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id: height_input
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height: '36dp'
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size_hint_y: None
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text: '%d'%root.cp_height
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input_type: 'number'
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on_focus: root.on_height_str()
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TopLabel:
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text: _('Block hash') + ':'
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TxHashLabel:
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data: root.cp_value
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TopLabel:
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text: _('Block hash') + ':'
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TxHashLabel:
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data: root.cp_value
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Widget:
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size_hint: 1, 0.1
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Label:
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text: 'Edit the height to fetch a checkpoint from your main server, and check its value from independent sources.'
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font_size: '6pt'
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text: _('If there is a fork of the blockchain, you need to configure your checkpoint in order to make sure that you are on the correct side of the fork. Enter a block number to fetch a checkpoint from your main server, and check its value from independent sources.')
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halign: 'left'
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text_size: self.width, None
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size: self.texture_size
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Widget:
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size_hint: 1, 0.3
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BoxLayout:
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@ -68,6 +87,12 @@ class CheckpointDialog(Factory.Popup):
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self.cp_height, self.cp_value = self.network.blockchain.get_checkpoint()
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self.callback = callback
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n_nodes = len(network.get_interfaces())
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n_blocks = network.get_local_height()
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self.ids.bc_height.text = _("Verified headers: %d blocks.")%n_blocks
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self.ids.bc_status.text = _("Connected to %d nodes.")%n_nodes if n_nodes else _("Not connected?")
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def on_height_str(self):
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try:
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new_height = int(self.ids.height_input.text)
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@ -121,10 +121,10 @@ Builder.load_string('''
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action: partial(root.coinselect_dialog, self)
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CardSeparator
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SettingsItem:
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status: root.checkpoint_status()
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title: _('Checkpoint') + ': ' + self.status
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description: _("Configure blockchain checkpoint")
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action: partial(root.checkpoint_dialog, self)
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status: root.blockchain_status()
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title: _('Blockchain') + ': ' + self.status
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description: _("Configure checkpoints")
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action: partial(root.blockchain_dialog, self)
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''')
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@ -147,7 +147,7 @@ class SettingsDialog(Factory.Popup):
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self._language_dialog = None
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self._unit_dialog = None
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self._coinselect_dialog = None
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self._checkpoint_dialog = None
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self._blockchain_dialog = None
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def update(self):
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self.wallet = self.app.wallet
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@ -191,19 +191,19 @@ class SettingsDialog(Factory.Popup):
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self._coinselect_dialog = ChoiceDialog(_('Coin selection'), choosers, chooser_name, cb)
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self._coinselect_dialog.open()
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def checkpoint_status(self):
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height, value = self.app.network.blockchain.get_checkpoint()
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return "Block %d"% height if height else _("Genesis block")
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def blockchain_status(self):
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height = self.app.network.get_local_height()
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return "%d blocks"% height
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def checkpoint_dialog(self, item, dt):
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def blockchain_dialog(self, item, dt):
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from checkpoint_dialog import CheckpointDialog
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if self._checkpoint_dialog is None:
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if self._blockchain_dialog is None:
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def callback(height, value):
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if value:
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self.app.network.blockchain.set_checkpoint(height, value)
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item.status = self.checkpoint_status()
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self._checkpoint_dialog = CheckpointDialog(self.app.network, callback)
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self._checkpoint_dialog.open()
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self._blockchain_dialog = CheckpointDialog(self.app.network, callback)
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self._blockchain_dialog.open()
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def proxy_status(self):
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server, port, protocol, proxy, auto_connect = self.app.network.get_parameters()
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@ -1,18 +1,20 @@
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Popup:
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id: nd
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title: _('Network')
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n_nodes: len(app.network.get_interfaces())
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blockchain_height: app.network.get_local_height()
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is_connected: app.network.is_connected()
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server: app.network.interface.host
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BoxLayout:
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orientation: 'vertical'
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padding: '10dp'
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spacing: '10dp'
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TopLabel:
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s1: _("Connected to %d nodes.")%root.n_nodes if root.n_nodes else _("Not connected?")
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s2: _("Blockchain length") + ": %d "%root.blockchain_height + _("blocks")
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text: self.s1 + '\n' + self.s2
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text: _("Connected to %s.")%root.server if root.is_connected else _("Not connected?")
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Widget:
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size_hint: 1, 0.1
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TopLabel:
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text: _("Electrum retrieves your wallet information from a single server. In addition, it connects to a number of extra nodes, in order to fetch block headers. Block headers are used to verify the information sent by the address server, using Simple Payment Verification (SPV).")
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font_size: '6pt'
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Widget:
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size_hint: 1, 0.1
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GridLayout:
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@ -33,11 +35,6 @@ Popup:
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size_hint_y: None
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Widget:
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size_hint: 1, 0.1
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TopLabel:
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text: _("Electrum retrieves your wallet information from a single node (address server). In addition, it connects to a number of extra nodes, in order to fetch block headers. Block headers are used to verify the information sent by the address server, using Simple Payment Verification (SPV).")
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font_size: '6pt'
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Widget:
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size_hint: 1, 0.1
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TopLabel:
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text: _("If auto-connect is checked, the address server will be selected automatically.")
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font_size: '6pt'
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