twallet.get_max_amount method, used by qt and kivy - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
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---
DIR commit 2a3c97813d03d6ab877e8a0ae868b976abdf299d
DIR parent 525e08af5405c5406ed1953d676d69dc7915c6af
HTML Author: ThomasV <thomasv@electrum.org>
Date: Fri, 30 Oct 2015 14:10:41 +0100
wallet.get_max_amount method, used by qt and kivy
Diffstat:
M gui/kivy/main_window.py | 5 +++++
M gui/kivy/uix/ui_screens/amount.kv | 5 +++--
M gui/qt/main_window.py | 17 +++--------------
M lib/wallet.py | 13 +++++++++++++
4 files changed, 24 insertions(+), 16 deletions(-)
---
DIR diff --git a/gui/kivy/main_window.py b/gui/kivy/main_window.py
t@@ -440,6 +440,11 @@ class ElectrumWindow(App):
status_card.uncomfirmed = unconfirmed.strip()
+ def get_max_amount(self):
+ inputs = self.wallet.get_spendable_coins(None)
+ amount, fee = self.wallet.get_max_amount(self.electrum_config, inputs, None)
+ return self.format_amount(amount)
+
def update_amount(self, amount, c):
if c == '<':
return amount[:-1]
DIR diff --git a/gui/kivy/uix/ui_screens/amount.kv b/gui/kivy/uix/ui_screens/amount.kv
t@@ -22,8 +22,9 @@ Popup:
Button:
size_hint_x: 1
height: '48dp'
- text: ''
- on_release: a.value = "max"
+ amount: app.get_max_amount()
+ text: self.amount + ' ' + app.base_unit
+ on_release: a.amount = self.amount
BoxLayout:
size_hint: 1, None
DIR diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
t@@ -965,22 +965,15 @@ class ElectrumWindow(QMainWindow, PrintError):
grid.addLayout(buttons, 6, 1, 1, 2)
def on_shortcut():
- sendable = self.get_sendable_balance()
inputs = self.get_coins()
- for i in inputs:
- self.wallet.add_input_info(i)
- addr = self.payto_e.payto_address if self.payto_e.payto_address else self.dummy_address
- output = ('address', addr, sendable)
- dummy_tx = Transaction.from_io(inputs, [output])
+ amount, fee = self.wallet.get_max_amount(self.config, inputs, self.fee_e.get_amount())
if self.fee_e.get_amount() is None:
- fee_per_kb = self.wallet.fee_per_kb(self.config)
- self.fee_e.setAmount(self.wallet.estimated_fee(dummy_tx, fee_per_kb))
- self.amount_e.setAmount(max(0, sendable - self.fee_e.get_amount()))
+ self.fee_e.setAmount(fee)
+ self.amount_e.setAmount(max(0, amount))
# emit signal for fiat_amount update
self.amount_e.textEdited.emit("")
self.amount_e.shortcut.connect(on_shortcut)
-
self.payto_e.textChanged.connect(self.update_fee)
self.amount_e.textEdited.connect(self.update_fee)
self.fee_e.textEdited.connect(self.update_fee)
t@@ -1539,10 +1532,6 @@ class ElectrumWindow(QMainWindow, PrintError):
menu.exec_(self.address_list.viewport().mapToGlobal(position))
- def get_sendable_balance(self):
- return sum(map(lambda x:x['value'], self.get_coins()))
-
-
def get_coins(self):
if self.pay_from:
return self.pay_from
DIR diff --git a/lib/wallet.py b/lib/wallet.py
t@@ -633,6 +633,19 @@ class Abstract_Wallet(PrintError):
coins = coins[1:] + [ coins[0] ]
return [value for height, value in coins]
+ def get_max_amount(self, config, inputs, fee):
+ sendable = sum(map(lambda x:x['value'], inputs))
+ for i in inputs:
+ self.add_input_info(i)
+ addr = self.addresses(False)[0]
+ output = ('address', addr, sendable)
+ dummy_tx = Transaction.from_io(inputs, [output])
+ if fee is None:
+ fee_per_kb = self.fee_per_kb(config)
+ fee = self.estimated_fee(dummy_tx, fee_per_kb)
+ amount = max(0, sendable - fee)
+ return amount, fee
+
def get_account_name(self, k):
return self.labels.get(k, self.accounts[k].get_name(k))