Add history fiat tx value for exchange plugin
[electrum-nvc.git] / plugins / exchange_rate.py
index c952cc1..e7da497 100644 (file)
@@ -1,6 +1,7 @@
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 
+import datetime
 import decimal
 import httplib
 import json
@@ -20,6 +21,11 @@ class Exchanger(threading.Thread):
         self.parent = parent
         self.quote_currencies = None
         self.lock = threading.Lock()
+        self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
+        self.parent.exchanges = ["Blockchain", "Coinbase", "CoinDesk"]
+        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):
@@ -29,7 +35,21 @@ 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
@@ -37,12 +57,67 @@ 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()
+            elif self.use_exchange == "Coinbase":
+                self.update_cb()
+            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_cb(self):
+        try:
+            connection = httplib.HTTPSConnection('coinbase.com')
+            connection.request("GET", "/api/v1/currencies/exchange_rates")
+        except Exception:
+            return
+        response = connection.getresponse()
+        if response.reason == httplib.responses[httplib.NOT_FOUND]:
+            return
+
+        try:
+            response = json.loads(response.read())
+        except Exception:
+            return
+
+        quote_currencies = {}
+        try:
+            for r in response:
+                if r[:7] == "btc_to_":
+                    quote_currencies[r[7:].upper()] = self._lookup_rate_cb(response, r)
+            with self.lock:
+                self.quote_currencies = quote_currencies
+        except KeyError:
+            pass
+        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
@@ -62,7 +137,7 @@ class Exchanger(threading.Thread):
         except KeyError:
             pass
         self.parent.set_currencies(quote_currencies)
-        # print "updating exchange rate", self.quote_currencies["USD"]
+        # print "updating exchange rate", self.quote_currencies["USD"]
 
             
     def get_currencies(self):
@@ -70,6 +145,9 @@ class Exchanger(threading.Thread):
 
     def _lookup_rate(self, response, quote_id):
         return decimal.Decimal(str(response[str(quote_id)]["15m"]))
+    def _lookup_rate_cb(self, response, quote_id):
+        return decimal.Decimal(str(response[str(quote_id)]))
+
 
 
 class Plugin(BasePlugin):
@@ -78,12 +156,13 @@ class Plugin(BasePlugin):
         return "Exchange rates"
 
     def description(self):
-        return """exchange rates, retrieved from blockchain.info"""
+        return """exchange rates, retrieved from blockchain.info, CoinDesk, or Coinbase"""
 
 
     def __init__(self,a,b):
         BasePlugin.__init__(self,a,b)
         self.currencies = [self.config.get('currency', "EUR")]
+        self.exchanges = [self.config.get('use_exchange', "Blockchain")]
 
     def init(self):
         self.win = self.gui.main_window
@@ -93,16 +172,18 @@ 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 = ""
@@ -110,6 +191,15 @@ class Plugin(BasePlugin):
             quote_text = "%.2f %s" % (quote_balance, quote_currency)
         return quote_text
 
+    def load_wallet(self, wallet):
+        self.wallet = wallet
+        tx_list = {}
+        for item in self.wallet.get_tx_history(self.wallet.storage.get("current_account", None)):
+            tx_hash, conf, is_mine, value, fee, balance, timestamp = item
+            tx_list[tx_hash] = {'value': value, 'timestamp': timestamp, 'balance': balance}
+            
+        self.tx_list = tx_list
+        
 
     def requires_settings(self):
         return True
@@ -124,32 +214,162 @@ class Plugin(BasePlugin):
     def close(self):
         self.exchanger.stop()
 
+    def history_tab_update(self):
+        if self.config.get('history_rates', 'unchecked') == "checked":
+            tx_list = self.tx_list
+            
+            mintimestr = datetime.datetime.fromtimestamp(int(min(tx_list.items(), key=lambda x: x[1]['timestamp'])[1]['timestamp'])).strftime('%Y-%m-%d')
+            maxtimestr = datetime.datetime.fromtimestamp(int( max(tx_list.items(), key=lambda x: x[1]['timestamp'])[1]['timestamp'])).strftime('%Y-%m-%d')
+            try:
+                connection = httplib.HTTPSConnection('api.coindesk.com')
+                connection.request("GET", "/v1/bpi/historical/close.json?start=" + mintimestr + "&end=" + maxtimestr)
+            except Exception:
+                return
+            resp = connection.getresponse()
+            if resp.reason == httplib.responses[httplib.NOT_FOUND]:
+                return
+            try:
+                resp_hist = json.loads(resp.read())
+            except Exception:
+                return
+
+            self.gui.main_window.is_edit = True
+            self.gui.main_window.history_list.setColumnCount(6)
+            self.gui.main_window.history_list.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance'), _('Fiat Amount')] )
+            root = self.gui.main_window.history_list.invisibleRootItem()
+            childcount = root.childCount()
+            for i in range(childcount):
+                item = root.child(i)
+                tx_info = tx_list[str(item.data(0, Qt.UserRole).toPyObject())]
+                tx_time = int(tx_info['timestamp'])
+                tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d')
+                tx_USD_val = "%.2f %s" % (Decimal(tx_info['value']) / 100000000 * Decimal(resp_hist['bpi'][tx_time_str]), "USD")
+
+
+                item.setText(5, tx_USD_val)
+            
+            for i, width in enumerate(self.gui.main_window.column_widths['history']):
+                self.gui.main_window.history_list.setColumnWidth(i, width)
+            self.gui.main_window.history_list.setColumnWidth(4, 140)
+            self.gui.main_window.history_list.setColumnWidth(5, 120)
+            self.gui.main_window.is_edit = False
+       
 
     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)
+        layout.addWidget(QLabel(_('History Rates: ')), 2, 0)
         combo = QComboBox()
+        combo_ex = QComboBox()
+        hist_checkbox = QCheckBox()
+        hist_checkbox.setEnabled(False)
+        if self.config.get('history_rates', 'unchecked') == 'unchecked':
+            hist_checkbox.setChecked(False)
+        else:
+            hist_checkbox.setChecked(True)
+        ok_button = QPushButton(_("OK"))
 
         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)
+                if cur_request == "USD" and self.config.get('use_exchange', "Blockchain") == "CoinDesk":
+                    hist_checkbox.setEnabled(True)
+                else:
+                    hist_checkbox.setChecked(False)
+                    hist_checkbox.setEnabled(False)
                 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)
+                if cur_request == "Blockchain":
+                    self.exchanger.update_bc()
+                    hist_checkbox.setChecked(False)
+                    hist_checkbox.setEnabled(False)
+                elif cur_request == "CoinDesk":
+                    self.exchanger.update_cd()
+                    if self.config.get('currency', "EUR") == "USD":
+                        hist_checkbox.setEnabled(True)
+                    else:
+                        hist_checkbox.setChecked(False)
+                        hist_checkbox.setEnabled(False)
+                elif cur_request == "Coinbase":
+                    self.exchanger.update_cb()
+                    hist_checkbox.setChecked(False)
+                    hist_checkbox.setEnabled(False)
+                set_currencies(combo)
+                self.win.update_status()
+
+        def on_change_hist(checked):
+            if checked:
+                self.config.set_key('history_rates', 'checked')
+                self.history_tab_update()
+            else:
+                self.config.set_key('history_rates', 'unchecked')
+                self.gui.main_window.history_list.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance')] )
+                self.gui.main_window.history_list.setColumnCount(5)
+                for i,width in enumerate(self.gui.main_window.column_widths['history']):
+                    self.gui.main_window.history_list.setColumnWidth(i, width)
+
+        def set_hist_check(hist_checkbox):
+            if self.config.get('use_exchange', "Blockchain") == "CoinDesk":
+                hist_checkbox.setEnabled(True)
+            else:
+                hist_checkbox.setEnabled(False) 
+        
         def set_currencies(combo):
+            current_currency = self.config.get('currency', "EUR")
             try:
                 combo.clear()
             except Exception:
                 return
             combo.addItems(self.currencies)
             try:
-                index = self.currencies.index(self.config.get('currency', "EUR"))
+                index = self.currencies.index(current_currency)
             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)
+
+        def ok_clicked():
+            d.accept();
+
+        set_exchanges(combo_ex)
         set_currencies(combo)
+        set_hist_check(hist_checkbox)
         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)
+        hist_checkbox.stateChanged.connect(on_change_hist)
+        combo.connect(d, SIGNAL('refresh_currencies_combo()'), lambda: set_currencies(combo))
+        combo_ex.connect(d, SIGNAL('refresh_exchanges_combo()'), lambda: set_exchanges(combo_ex))
+        ok_button.clicked.connect(lambda: ok_clicked())
+        layout.addWidget(combo,1,1)
+        layout.addWidget(combo_ex,0,1)
+        layout.addWidget(hist_checkbox,2,1)
+        layout.addWidget(ok_button,3,1)
+        
+        if d.exec_():
+            return True
+        else:
+            return False