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.bitcoin import COIN 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 __init__(self,a,b): BasePlugin.__init__(self,a,b) self.currencies = [self.fiat_unit()] self.exchanges = [self.config.get('use_exchange', "Blockchain")] # Do price discovery self.exchanger = Exchanger(self) self.exchanger.start() self.win = 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 = {} self.gui.exchanger = self.exchanger # self.add_send_edit() self.add_receive_edit() self.win.update_status() def close(self): BasePlugin.close(self) self.exchanger.stop() self.exchanger = None self.gui.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) if self.win: 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) / COIN) 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) / COIN 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'])) / COIN 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']))/COIN , "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'])/COIN , "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(COIN))) 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(COIN), 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)