Add history fiat tx value for exchange plugin
[electrum-nvc.git] / plugins / exchange_rate.py
index b90fa94..e7da497 100644 (file)
@@ -1,6 +1,7 @@
 from PyQt4.QtGui import *
 from PyQt4.QtCore import *
 
+import datetime
 import decimal
 import httplib
 import json
@@ -21,7 +22,7 @@ class Exchanger(threading.Thread):
         self.quote_currencies = None
         self.lock = threading.Lock()
         self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
-        self.parent.exchanges = ["CoinDesk", "Blockchain", "Coinbase"]
+        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()"))
@@ -155,7 +156,7 @@ 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):
@@ -190,6 +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
@@ -204,6 +214,46 @@ 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)
@@ -213,29 +263,67 @@ class Plugin(BasePlugin):
         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)
-                self.win.update_status()
                 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:
@@ -266,14 +354,17 @@ class Plugin(BasePlugin):
 
         set_exchanges(combo_ex)
         set_currencies(combo)
+        set_hist_check(hist_checkbox)
         combo.currentIndexChanged.connect(on_change)
         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(ok_button,2,1)
+        layout.addWidget(hist_checkbox,2,1)
+        layout.addWidget(ok_button,3,1)
         
         if d.exec_():
             return True