from PyQt4.QtGui import * from PyQt4.QtCore import * import datetime import decimal import requests import json import threading import time import re from ssl import SSLError from decimal import Decimal from electrum.plugins import BasePlugin, hook from electrum.i18n import _ from electrum_gui.qt.util import * from electrum_gui.qt.amountedit import AmountEdit EXCHANGES = ["BitcoinAverage", "BitcoinVenezuela", "BTCParalelo", "Bitcurex", "Bitmarket", "BitPay", "Blockchain", "BTCChina", "CaVirtEx", "Coinbase", "CoinDesk", "itBit", "LocalBitcoins", "Winkdex"] EXCH_SUPPORT_HIST = [("CoinDesk", "USD"), ("Winkdex", "USD"), ("BitcoinVenezuela", "ARS"), ("BitcoinVenezuela", "VEF")] class Exchanger(threading.Thread): def __init__(self, parent): threading.Thread.__init__(self) self.daemon = True self.parent = parent self.quote_currencies = None self.lock = threading.Lock() self.query_rates = threading.Event() self.use_exchange = self.parent.config.get('use_exchange', "Blockchain") self.parent.exchanges = EXCHANGES self.parent.win.emit(SIGNAL("refresh_exchanges_combo()")) self.parent.win.emit(SIGNAL("refresh_currencies_combo()")) self.is_running = False def get_json(self, site, get_string): resp = requests.request('GET', 'https://' + site + get_string, headers={"User-Agent":"Electrum"}) return resp.json() def exchange(self, btc_amount, quote_currency): with self.lock: if self.quote_currencies is None: return None quote_currencies = self.quote_currencies.copy() if quote_currency not in quote_currencies: return None return btc_amount * Decimal(str(quote_currencies[quote_currency])) def stop(self): self.is_running = False def update_rate(self): self.use_exchange = self.parent.config.get('use_exchange', "Blockchain") update_rates = { "BitcoinAverage": self.update_ba, "BitcoinVenezuela": self.update_bv, "BTCParalelo": self.update_bpl, "Bitcurex": self.update_bx, "Bitmarket": self.update_bm, "BitPay": self.update_bp, "Blockchain": self.update_bc, "BTCChina": self.update_CNY, "CaVirtEx": self.update_cv, "CoinDesk": self.update_cd, "Coinbase": self.update_cb, "itBit": self.update_ib, "LocalBitcoins": self.update_lb, "Winkdex": self.update_wd, } try: rates = update_rates[self.use_exchange]() except Exception as e: self.parent.print_error(e) rates = {} with self.lock: self.quote_currencies = rates self.parent.set_currencies(rates) def run(self): self.is_running = True while self.is_running: self.query_rates.clear() self.update_rate() self.query_rates.wait(150) def update_cd(self): resp_currencies = self.get_json('api.coindesk.com', "/v1/bpi/supported-currencies.json") quote_currencies = {} for cur in resp_currencies: quote_currencies[str(cur["currency"])] = 0.0 current_cur = self.parent.config.get("currency", "EUR") if current_cur in quote_currencies: resp_rate = self.get_json('api.coindesk.com', "/v1/bpi/currentprice/" + str(current_cur) + ".json") quote_currencies[str(current_cur)] = Decimal(str(resp_rate["bpi"][str(current_cur)]["rate_float"])) return quote_currencies def update_ib(self): available_currencies = ["USD", "EUR", "SGD"] quote_currencies = {} for cur in available_currencies: quote_currencies[cur] = 0.0 current_cur = self.parent.config.get("currency", "EUR") if current_cur in available_currencies: resp_rate = self.get_json('api.itbit.com', "/v1/markets/XBT" + str(current_cur) + "/ticker") quote_currencies[str(current_cur)] = Decimal(str(resp_rate["lastPrice"])) return quote_currencies def update_wd(self): winkresp = self.get_json('winkdex.com', "/api/v0/price") return {"USD": Decimal(str(winkresp["price"]))/Decimal("100.0")} def update_cv(self): jsonresp = self.get_json('www.cavirtex.com', "/api/CAD/ticker.json") cadprice = jsonresp["last"] return {"CAD": Decimal(str(cadprice))} def update_bm(self): jsonresp = self.get_json('www.bitmarket.pl', "/json/BTCPLN/ticker.json") pln_price = jsonresp["last"] return {"PLN": Decimal(str(pln_price))} def update_bx(self): jsonresp = self.get_json('pln.bitcurex.com', "/data/ticker.json") pln_price = jsonresp["last"] return {"PLN": Decimal(str(pln_price))} def update_CNY(self): jsonresp = self.get_json('data.btcchina.com', "/data/ticker") cnyprice = jsonresp["ticker"]["last"] return {"CNY": Decimal(str(cnyprice))} def update_bp(self): jsonresp = self.get_json('bitpay.com', "/api/rates") return dict([(str(r["code"]), Decimal(r["rate"])) for r in jsonresp]) def update_cb(self): jsonresp = self.get_json('coinbase.com', "/api/v1/currencies/exchange_rates") return dict([(r[7:].upper(), Decimal(str(jsonresp[r]))) for r in jsonresp if r.startswith("btc_to_")]) def update_bc(self): jsonresp = self.get_json('blockchain.info', "/ticker") return dict([(r, Decimal(str(jsonresp[r]["15m"]))) for r in jsonresp]) def update_lb(self): jsonresp = self.get_json('localbitcoins.com', "/bitcoinaverage/ticker-all-currencies/") return dict([(r, Decimal(jsonresp[r]["rates"]["last"])) for r in jsonresp]) def update_bv(self): jsonresp = self.get_json('api.bitcoinvenezuela.com', "/") return dict([(r, Decimal(jsonresp["BTC"][r])) for r in jsonresp["BTC"]]) def update_bpl(self): jsonresp = self.get_json('btcparalelo.com', "/api/price") return {"VEF": Decimal(jsonresp["price"])} def update_ba(self): jsonresp = self.get_json('api.bitcoinaverage.com', "/ticker/global/all") return dict([(r, Decimal(jsonresp[r]["last"])) for r in jsonresp if not r == "timestamp"]) class Plugin(BasePlugin): def fullname(self): return "Exchange rates" def description(self): return """exchange rates, retrieved from blockchain.info, CoinDesk, or Coinbase""" def __init__(self,a,b): BasePlugin.__init__(self,a,b) self.currencies = [self.fiat_unit()] self.exchanges = [self.config.get('use_exchange', "Blockchain")] self.exchanger = None @hook def init_qt(self, gui): self.gui = gui self.win = self.gui.main_window self.win.connect(self.win, SIGNAL("refresh_currencies()"), self.win.update_status) self.btc_rate = Decimal("0.0") self.resp_hist = {} self.tx_list = {} if self.exchanger is None: # Do price discovery self.exchanger = Exchanger(self) self.exchanger.start() self.gui.exchanger = self.exchanger # self.add_send_edit() self.add_receive_edit() self.win.update_status() def close(self): self.exchanger.stop() self.exchanger = None self.send_fiat_e.hide() self.receive_fiat_e.hide() self.win.update_status() def set_currencies(self, currency_options): self.currencies = sorted(currency_options) self.win.emit(SIGNAL("refresh_currencies()")) self.win.emit(SIGNAL("refresh_currencies_combo()")) @hook def get_fiat_balance_text(self, btc_balance, r): # return balance as: 1.23 USD r[0] = self.create_fiat_balance_text(Decimal(btc_balance) / 100000000) def get_fiat_price_text(self, r): # return BTC price as: 123.45 USD r[0] = self.create_fiat_balance_text(1) quote = r[0] if quote: r[0] = "%s"%quote @hook def get_fiat_status_text(self, btc_balance, r2): # return status as: (1.23 USD) 1 BTC~123.45 USD text = "" r = {} self.get_fiat_price_text(r) quote = r.get(0) if quote: price_text = "1 BTC~%s"%quote fiat_currency = quote[-3:] btc_price = self.btc_rate fiat_balance = Decimal(btc_price) * (Decimal(btc_balance)/100000000) balance_text = "(%.2f %s)" % (fiat_balance,fiat_currency) text = " " + balance_text + " " + price_text + " " r2[0] = text def create_fiat_balance_text(self, btc_balance): quote_currency = self.fiat_unit() self.exchanger.use_exchange = self.config.get("use_exchange", "Blockchain") cur_rate = self.exchanger.exchange(Decimal("1.0"), quote_currency) if cur_rate is None: quote_text = "" else: quote_balance = btc_balance * Decimal(cur_rate) self.btc_rate = cur_rate quote_text = "%.2f %s" % (quote_balance, quote_currency) return quote_text @hook def load_wallet(self, wallet): tx_list = {} for item in self.wallet.get_history(self.wallet.storage.get("current_account", None)): tx_hash, conf, value, timestamp, balance = item tx_list[tx_hash] = {'value': value, 'timestamp': timestamp } self.tx_list = tx_list self.cur_exchange = self.config.get('use_exchange', "Blockchain") t = threading.Thread(target=self.request_history_rates, args=()) t.setDaemon(True) t.start() def requires_settings(self): return True def request_history_rates(self): if self.config.get('history_rates') != "checked": return if not self.tx_list: return try: mintimestr = datetime.datetime.fromtimestamp(int(min(self.tx_list.items(), key=lambda x: x[1]['timestamp'])[1]['timestamp'])).strftime('%Y-%m-%d') except Exception: return maxtimestr = datetime.datetime.now().strftime('%Y-%m-%d') if self.cur_exchange == "CoinDesk": try: self.resp_hist = self.exchanger.get_json('api.coindesk.com', "/v1/bpi/historical/close.json?start=" + mintimestr + "&end=" + maxtimestr) except Exception: return elif self.cur_exchange == "Winkdex": try: self.resp_hist = self.exchanger.get_json('winkdex.com', "/api/v0/series?start_time=1342915200")['series'][0]['results'] except Exception: return elif self.cur_exchange == "BitcoinVenezuela": cur_currency = self.fiat_unit() if cur_currency == "VEF": try: self.resp_hist = self.exchanger.get_json('api.bitcoinvenezuela.com', "/historical/index.php?coin=BTC")['VEF_BTC'] except Exception: return elif cur_currency == "ARS": try: self.resp_hist = self.exchanger.get_json('api.bitcoinvenezuela.com', "/historical/index.php?coin=BTC")['ARS_BTC'] except Exception: return else: return self.win.need_update.set() @hook def history_tab_update(self): if self.config.get('history_rates') != "checked": return if not self.resp_hist: return if not self.wallet: return self.win.is_edit = True self.win.history_list.setColumnCount(6) self.win.history_list.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance'), _('Fiat Amount')] ) root = self.win.history_list.invisibleRootItem() childcount = root.childCount() for i in range(childcount): item = root.child(i) try: tx_info = self.tx_list[str(item.data(0, Qt.UserRole).toPyObject())] except Exception: newtx = self.wallet.get_history() v = newtx[[x[0] for x in newtx].index(str(item.data(0, Qt.UserRole).toPyObject()))][2] tx_info = {'timestamp':int(time.time()), 'value': v} pass tx_time = int(tx_info['timestamp']) tx_value = Decimal(str(tx_info['value'])) / 100000000 if self.cur_exchange == "CoinDesk": tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d') try: tx_fiat_val = "%.2f %s" % (tx_value * Decimal(self.resp_hist['bpi'][tx_time_str]), "USD") except KeyError: tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(str(tx_info['value']))/100000000 , "USD") elif self.cur_exchange == "Winkdex": tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d') + "T16:00:00-04:00" try: tx_rate = self.resp_hist[[x['timestamp'] for x in self.resp_hist].index(tx_time_str)]['price'] tx_fiat_val = "%.2f %s" % (tx_value * Decimal(tx_rate)/Decimal("100.0"), "USD") except ValueError: tx_fiat_val = "%.2f %s" % (self.btc_rate * Decimal(tx_info['value'])/100000000 , "USD") except KeyError: tx_fiat_val = _("No data") elif self.cur_exchange == "BitcoinVenezuela": tx_time_str = datetime.datetime.fromtimestamp(tx_time).strftime('%Y-%m-%d') try: num = self.resp_hist[tx_time_str].replace(',','') tx_fiat_val = "%.2f %s" % (tx_value * Decimal(num), self.fiat_unit()) except KeyError: tx_fiat_val = _("No data") tx_fiat_val = " "*(12-len(tx_fiat_val)) + tx_fiat_val item.setText(5, tx_fiat_val) item.setFont(5, QFont(MONOSPACE_FONT)) if Decimal(str(tx_info['value'])) < 0: item.setForeground(5, QBrush(QColor("#BC1E1E"))) self.win.history_list.setColumnWidth(5, 120) self.win.is_edit = False def settings_widget(self, window): return EnterButton(_('Settings'), self.settings_dialog) def settings_dialog(self): d = QDialog() d.setWindowTitle("Settings") 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) hist_checkbox.setChecked(self.config.get('history_rates', 'unchecked') != 'unchecked') ok_button = QPushButton(_("OK")) def on_change(x): try: cur_request = str(self.currencies[x]) except Exception: return if cur_request != self.fiat_unit(): self.config.set_key('currency', cur_request, True) cur_exchange = self.config.get('use_exchange', "Blockchain") if (cur_exchange, cur_request) in EXCH_SUPPORT_HIST: hist_checkbox.setEnabled(True) else: disable_check() self.win.update_status() try: self.fiat_button except: pass else: self.fiat_button.setText(cur_request) def disable_check(): hist_checkbox.setChecked(False) hist_checkbox.setEnabled(False) 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.currencies = [] combo.clear() self.exchanger.query_rates.set() cur_currency = self.fiat_unit() if (cur_request, cur_currency) in EXCH_SUPPORT_HIST: hist_checkbox.setEnabled(True) else: disable_check() set_currencies(combo) self.win.update_status() def on_change_hist(checked): if checked: self.config.set_key('history_rates', 'checked') self.request_history_rates() else: self.config.set_key('history_rates', 'unchecked') self.win.history_list.setHeaderLabels( [ '', _('Date'), _('Description') , _('Amount'), _('Balance')] ) self.win.history_list.setColumnCount(5) def set_hist_check(hist_checkbox): cur_exchange = self.config.get('use_exchange', "Blockchain") hist_checkbox.setEnabled(cur_exchange in ["CoinDesk", "Winkdex", "BitcoinVenezuela"]) def set_currencies(combo): try: combo.blockSignals(True) current_currency = self.fiat_unit() combo.clear() except Exception: return combo.addItems(self.currencies) try: index = self.currencies.index(current_currency) except Exception: index = 0 combo.blockSignals(False) 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(): if self.config.get('use_exchange', "Blockchain") in ["CoinDesk", "itBit"]: self.exchanger.query_rates.set() d.accept(); 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(self.win, 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 def fiat_unit(self): return self.config.get("currency", "EUR") def add_send_edit(self): self.send_fiat_e = AmountEdit(self.fiat_unit) btc_e = self.win.amount_e fee_e = self.win.fee_e self.connect_fields(btc_e, self.send_fiat_e, fee_e) self.win.send_grid.addWidget(self.send_fiat_e, 4, 3, Qt.AlignHCenter) btc_e.frozen.connect(lambda: self.send_fiat_e.setFrozen(btc_e.isReadOnly())) def add_receive_edit(self): self.receive_fiat_e = AmountEdit(self.fiat_unit) btc_e = self.win.receive_amount_e self.connect_fields(btc_e, self.receive_fiat_e, None) self.win.receive_grid.addWidget(self.receive_fiat_e, 2, 3, Qt.AlignHCenter) def connect_fields(self, btc_e, fiat_e, fee_e): def fiat_changed(): try: fiat_amount = Decimal(str(fiat_e.text())) except: btc_e.setText("") if fee_e: fee_e.setText("") return exchange_rate = self.exchanger.exchange(Decimal("1.0"), self.fiat_unit()) if exchange_rate is not None: btc_amount = fiat_amount/exchange_rate btc_e.setAmount(int(btc_amount*Decimal(100000000))) if fee_e: self.win.update_fee(False) fiat_e.textEdited.connect(fiat_changed) def btc_changed(): if self.exchanger is None: return btc_amount = btc_e.get_amount() if btc_amount is None: fiat_e.setText("") return fiat_amount = self.exchanger.exchange(Decimal(btc_amount)/Decimal(100000000), self.fiat_unit()) if fiat_amount is not None: pos = fiat_e.cursorPosition() fiat_e.setText("%.2f"%fiat_amount) fiat_e.setCursorPosition(pos) btc_e.textEdited.connect(btc_changed)