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