from decimal import Decimal
from electrum.plugins import BasePlugin
from electrum.i18n import _
-from electrum_gui.gui_classic.qt_util import *
+from electrum_gui.qt.util import *
class Exchanger(threading.Thread):
self.parent = parent
self.quote_currencies = None
self.lock = threading.Lock()
+ self.use_exchange = self.parent.config.get('use_exchange', "CoinDesk")
+ self.parent.exchanges = ["CoinDesk", "Blockchain"]
+ self.parent.currencies = ["EUR","GBP","USD"]
+ self.parent.win.emit(SIGNAL("refresh_exchanges_combo()"))
+ self.parent.win.emit(SIGNAL("refresh_currencies_combo()"))
+ self.is_running = False
def exchange(self, btc_amount, quote_currency):
with self.lock:
quote_currencies = self.quote_currencies.copy()
if quote_currency not in quote_currencies:
return None
- return btc_amount * quote_currencies[quote_currency]
+ if self.use_exchange == "CoinDesk":
+ try:
+ connection = httplib.HTTPSConnection('api.coindesk.com')
+ connection.request("GET", "/v1/bpi/currentprice/" + str(quote_currency) + ".json")
+ except Exception:
+ return
+ resp = connection.getresponse()
+ if resp.reason == httplib.responses[httplib.NOT_FOUND]:
+ return
+ try:
+ resp_rate = json.loads(resp.read())
+ except Exception:
+ return
+ return btc_amount * decimal.Decimal(str(resp_rate["bpi"][str(quote_currency)]["rate_float"]))
+ return btc_amount * decimal.Decimal(quote_currencies[quote_currency])
+
+ def stop(self):
+ self.is_running = False
def run(self):
+ self.is_running = True
+ while self.is_running:
+ self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
+ if self.use_exchange == "Blockchain":
+ self.update_bc()
+ elif self.use_exchange == "CoinDesk":
+ self.update_cd()
+ time.sleep(150)
+
+ def update_cd(self):
try:
- connection = httplib.HTTPConnection('blockchain.info')
+ connection = httplib.HTTPSConnection('api.coindesk.com')
+ connection.request("GET", "/v1/bpi/supported-currencies.json")
+ except Exception:
+ return
+ response = connection.getresponse()
+ if response.reason == httplib.responses[httplib.NOT_FOUND]:
+ return
+ try:
+ resp_currencies = json.loads(response.read())
+ except Exception:
+ return
+
+ quote_currencies = {}
+ for cur in resp_currencies:
+ quote_currencies[str(cur["currency"])] = 0.0
+ with self.lock:
+ self.quote_currencies = quote_currencies
+ self.parent.set_currencies(quote_currencies)
+
+
+ def update_bc(self):
+ try:
+ connection = httplib.HTTPSConnection('blockchain.info')
connection.request("GET", "/ticker")
- except:
+ except Exception:
return
response = connection.getresponse()
if response.reason == httplib.responses[httplib.NOT_FOUND]:
return
try:
response = json.loads(response.read())
- except:
+ except Exception:
return
quote_currencies = {}
try:
quote_currencies[r] = self._lookup_rate(response, r)
with self.lock:
self.quote_currencies = quote_currencies
- self.parent.emit(SIGNAL("refresh_balance()"))
except KeyError:
pass
+ self.parent.set_currencies(quote_currencies)
+ # print "updating exchange rate", self.quote_currencies["USD"]
- print self.quote_currencies
def get_currencies(self):
return [] if self.quote_currencies == None else sorted(self.quote_currencies.keys())
return "Exchange rates"
def description(self):
- return """exchange rates"""
+ return """exchange rates, retrieved from blockchain.info"""
+
+
+ def __init__(self,a,b):
+ BasePlugin.__init__(self,a,b)
+ self.currencies = [self.config.get('currency', "EUR")]
+ self.exchanges = [self.config.get('use_exchange', "CoinDesk")]
def init(self):
self.win = self.gui.main_window
- self.exchanger = Exchanger(self.win)
- self.win.connect(self.win, SIGNAL("refresh_balance()"), self.win.update_wallet)
+ self.win.connect(self.win, SIGNAL("refresh_currencies()"), self.win.update_status)
# Do price discovery
+ self.exchanger = Exchanger(self)
self.exchanger.start()
- self.gui.exchanger = self.exchanger
+ self.gui.exchanger = self.exchanger #
+
+ def set_currencies(self, currency_options):
+ self.currencies = sorted(currency_options)
+ self.win.emit(SIGNAL("refresh_currencies()"))
+ self.win.emit(SIGNAL("refresh_currencies_combo()"))
+
- def set_status_text(self, text):
- m = re.match( _( "Balance" ) + ": (\d.+) " + self.win.base_unit(), str(text))
- if m:
- amount = Decimal(m.group(1))
- text += self.create_quote_text(amount)
- self.win.balance_label.setText(text)
+ def set_quote_text(self, btc_balance, r):
+ r[0] = self.create_quote_text(Decimal(btc_balance) / 100000000)
def create_quote_text(self, btc_balance):
- quote_currency = self.config.get("currency", "None")
+ quote_currency = self.config.get("currency", "EUR")
+ self.exchanger.use_exchange = self.config.get("use_exchange", "Blockchain")
quote_balance = self.exchanger.exchange(btc_balance, quote_currency)
if quote_balance is None:
quote_text = ""
else:
- quote_text = " (%.2f %s)" % (quote_balance, quote_currency)
+ quote_text = "%.2f %s" % (quote_balance, quote_currency)
return quote_text
return True
- def settings_dialog(self):
- d = QDialog(self.win)
-
- vbox = QVBoxLayout(d)
-
- grid = QGridLayout()
- vbox.addLayout(grid)
+ def toggle(self):
+ out = BasePlugin.toggle(self)
+ self.win.update_status()
+ return out
- currencies = self.exchanger.get_currencies()
- currencies.insert(0, "None")
- cur_label=QLabel(_('Currency') + ':')
- grid.addWidget(cur_label , 2, 0)
- cur_combo = QComboBox()
- cur_combo.addItems(currencies)
- try:
- index = currencies.index(self.config.get('currency', "None"))
- except:
- index = 0
- cur_combo.setCurrentIndex(index)
- grid.addWidget(cur_combo, 2, 1)
- grid.addWidget(HelpButton(_('Select which currency is used for quotes.') + ' '), 2, 2)
+ def close(self):
+ self.exchanger.stop()
- vbox.addLayout(ok_cancel_buttons(d))
- if d.exec_():
+ def settings_widget(self, window):
+ return EnterButton(_('Settings'), self.settings_dialog)
- cur_request = str(currencies[cur_combo.currentIndex()])
- if cur_request != self.config.get('currency', "None"):
+ def settings_dialog(self):
+ d = QDialog()
+ layout = QGridLayout(d)
+ layout.addWidget(QLabel("Exchange rate API: "), 0, 0)
+ layout.addWidget(QLabel("Currency: "), 1, 0)
+ combo = QComboBox()
+ combo_ex = QComboBox()
+
+ def on_change(x):
+ cur_request = str(self.currencies[x])
+ if cur_request != self.config.get('currency', "EUR"):
self.config.set_key('currency', cur_request, True)
- self.win.update_wallet()
+ self.win.update_status()
+
+ def on_change_ex(x):
+ cur_request = str(self.exchanges[x])
+ if cur_request != self.config.get('use_exchange', "Blockchain"):
+ self.config.set_key('use_exchange', cur_request, True)
+ self.win.update_status()
+
+ def set_currencies(combo):
+ try:
+ combo.clear()
+ except Exception:
+ return
+ combo.addItems(self.currencies)
+ try:
+ index = self.currencies.index(self.config.get('currency', "EUR"))
+ except Exception:
+ index = 0
+ combo.setCurrentIndex(index)
+
+ def set_exchanges(combo_ex):
+ try:
+ combo_ex.clear()
+ except Exception:
+ return
+ combo_ex.addItems(self.exchanges)
+ try:
+ index = self.exchanges.index(self.config.get('use_exchange', "Blockchain"))
+ except Exception:
+ index = 0
+ combo_ex.setCurrentIndex(index)
+
+ set_exchanges(combo_ex)
+ set_currencies(combo)
+ combo.currentIndexChanged.connect(on_change)
+ combo_ex.currentIndexChanged.connect(on_change_ex)
+ combo.connect(d, SIGNAL('refresh_currencies_combo()'), lambda: set_currencies(combo))
+ combo_ex.connect(d, SIGNAL('refresh_exchanges_combo()'), lambda: set_exchanges(combo_ex))
+ layout.addWidget(combo,1,1)
+ layout.addWidget(combo_ex,0,1)
+
+ if d.exec_():
+ return True
+ else:
+ return False
git://git.novaco.in / electrum-nvc.git / blobdiff