URI: 
       tMerge pull request #588 from wozz/for-upstream - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 746cf6f7f378bb28d7e039b00528dcb533e19f74
   DIR parent 4a97aa1d1e629b279400f3d3661b413ed7220f50
  HTML Author: ThomasV <thomasv1@gmx.de>
       Date:   Sun,  2 Mar 2014 18:21:03 +0100
       
       Merge pull request #588 from wozz/for-upstream
       
       Add CoinDesk BPI for exchange rate
       Diffstat:
         M gui/qt/lite_window.py               |      18 ++++++++++++++++++
         M plugins/exchange_rate.py            |     101 ++++++++++++++++++++++++++++---
       
       2 files changed, 110 insertions(+), 9 deletions(-)
       ---
   DIR diff --git a/gui/qt/lite_window.py b/gui/qt/lite_window.py
       t@@ -178,8 +178,10 @@ class MiniWindow(QDialog):
                self.actuator = actuator
                self.config = config
                self.btc_balance = None
       +        self.use_exchanges = ["Blockchain", "CoinDesk"]
                self.quote_currencies = ["BRL", "CNY", "EUR", "GBP", "RUB", "USD"]
                self.actuator.set_configured_currency(self.set_quote_currency)
       +        self.actuator.set_configured_exchange(self.set_exchange)
        
                # Needed because price discovery is done in a different thread
                # which needs to be sent back to this main one to update the GUI
       t@@ -370,6 +372,13 @@ class MiniWindow(QDialog):
            def deactivate(self):
                pass
        
       +    def set_exchange(self, use_exchange):
       +        if use_exchange not in self.use_exchanges:
       +            return
       +        self.use_exchanges.remove(use_exchange)
       +        self.use_exchanges.insert(0, use_exchange)
       +        self.refresh_balance()
       +
            def set_quote_currency(self, currency):
                """Set and display the fiat currency country."""
                if currency not in self.quote_currencies:
       t@@ -675,6 +684,11 @@ class MiniActuator:
                self.theme_name = theme_name
                self.g.config.set_key('litegui_theme',theme_name)
                self.load_theme()
       +   
       +    def set_configured_exchange(self, set_exchange):
       +        use_exchange = self.g.config.get('use_exchange')
       +        if use_exchange is not None:
       +            set_exchange(use_exchange)
            
            def set_configured_currency(self, set_quote_currency):
                """Set the inital fiat currency conversion country (USD/EUR/GBP) in 
       t@@ -685,6 +699,10 @@ class MiniActuator:
                if currency is not None:
                    set_quote_currency(currency)
        
       +    def set_config_exchange(self, conversion_exchange):
       +        self.g.config.set_key('exchange',conversion_exchange,True)
       +        self.g.update_status()
       +
            def set_config_currency(self, conversion_currency):
                """Change the wallet fiat currency country."""
                self.g.config.set_key('currency',conversion_currency,True)
   DIR diff --git a/plugins/exchange_rate.py b/plugins/exchange_rate.py
       t@@ -20,6 +20,11 @@ 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):
       t@@ -29,7 +34,21 @@ class Exchanger(threading.Thread):
                    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
       t@@ -37,12 +56,38 @@ class Exchanger(threading.Thread):
            def run(self):
                self.is_running = True
                while self.is_running:
       -            self.update()
       -            time.sleep(120)
       +            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.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(self):
       +
       +    def update_bc(self):
                try:
       -            connection = httplib.HTTPConnection('blockchain.info')
       +            connection = httplib.HTTPSConnection('blockchain.info')
                    connection.request("GET", "/ticker")
                except Exception:
                    return
       t@@ -84,6 +129,7 @@ class Plugin(BasePlugin):
            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
       t@@ -93,16 +139,18 @@ class Plugin(BasePlugin):
                self.exchanger.start()
                self.gui.exchanger = self.exchanger #
        
       -    def set_currencies(self, quote_currencies):
       -        self.currencies = sorted(quote_currencies.keys())
       +    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_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", "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 = ""
       t@@ -126,7 +174,15 @@ class Plugin(BasePlugin):
        
        
            def settings_widget(self, window):
       +        return EnterButton(_('Settings'), self.settings_dialog)
       +
       +    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])
       t@@ -134,6 +190,12 @@ class Plugin(BasePlugin):
                        self.config.set_key('currency', cur_request, True)
                        self.win.update_status()
        
       +        def on_change_ex(x):
       +            cur_request = str(self.exchanges[x])
       +            if cur_request != self.config.get('use_exchange', "CoinDesk"):
       +                self.config.set_key('use_exchange', cur_request, True)
       +                self.win.update_status()
       +
                def set_currencies(combo):
                    try:
                        combo.clear()
       t@@ -146,10 +208,31 @@ class Plugin(BasePlugin):
                        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.connect(window, SIGNAL('refresh_currencies_combo()'), lambda: set_currencies(combo))
       -        return combo
       +        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