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electrum
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Update itbit/coindesk exchange rate api 

itbit/coindesk exchange rate requires separate API calls per currency
Moved the calls to when the exchange rate plugin updates and when the
user modifies a selection instead of every time the program needs to
query the current exchange rate

This fixes an issue with slow response time in the send tab with the
exchange rate plugin turned on and set to coindesk or itbit
283
Michael Wozniak 11 years ago
parent
c1d286fc9a
commit
a996659225
1 changed files with 31 additions and 46 deletions
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  1. 77
      plugins/exchange_rate.py

77
plugins/exchange_rate.py
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@ -29,6 +29,10 @@ EXCHANGES = ["BitcoinAverage",
"LocalBitcoins",
"Winkdex"]
EXCH_SUPPORT_HIST = [("CoinDesk", "USD"),
("Winkdex", "USD"),
("BitcoinVenezuela", "ARS"),
("BitcoinVenezuela", "VEF")]
class Exchanger(threading.Thread):
@ -41,7 +45,6 @@ class Exchanger(threading.Thread):
self.query_rates = threading.Event()
self.use_exchange = self.parent.config.get('use_exchange', "Blockchain")
self.parent.exchanges = EXCHANGES
self.parent.currencies = ["EUR","GBP","USD","PLN"]
self.parent.win.emit(SIGNAL("refresh_exchanges_combo()"))
self.parent.win.emit(SIGNAL("refresh_currencies_combo()"))
self.is_running = False
@ -69,18 +72,6 @@ class Exchanger(threading.Thread):
quote_currencies = self.quote_currencies.copy()
if quote_currency not in quote_currencies:
return None
if self.use_exchange == "CoinDesk":
try:
resp_rate = self.get_json('api.coindesk.com', "/v1/bpi/currentprice/" + str(quote_currency) + ".json")
except Exception:
return
return btc_amount * decimal.Decimal(str(resp_rate["bpi"][str(quote_currency)]["rate_float"]))
elif self.use_exchange == "itBit":
try:
resp_rate = self.get_json('www.itbit.com', "/api/feeds/ticker/XBT" + str(quote_currency))
except Exception:
return
return btc_amount * decimal.Decimal(str(resp_rate["bid"]))
return btc_amount * decimal.Decimal(str(quote_currencies[quote_currency]))
def stop(self):
@ -125,6 +116,14 @@ class Exchanger(threading.Thread):
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:
try:
resp_rate = self.get_json('api.coindesk.com', "/v1/bpi/currentprice/" + str(current_cur) + ".json")
quote_currencies[str(current_cur)] = decimal.Decimal(str(resp_rate["bpi"][str(current_cur)]["rate_float"]))
except Exception:
return
with self.lock:
self.quote_currencies = quote_currencies
self.parent.set_currencies(quote_currencies)
@ -134,6 +133,13 @@ class Exchanger(threading.Thread):
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:
try:
resp_rate = self.get_json('api.itbit.com', "/v1/markets/XBT" + str(current_cur) + "/ticker")
quote_currencies[str(current_cur)] = decimal.Decimal(str(resp_rate["lastPrice"]))
except Exception:
return
with self.lock:
self.quote_currencies = quote_currencies
self.parent.set_currencies(quote_currencies)
@ -260,7 +266,6 @@ class Exchanger(threading.Thread):
except KeyError:
pass
self.parent.set_currencies(quote_currencies)
# print "updating exchange rate", self.quote_currencies["USD"]
def update_lb(self):
try:
@ -311,9 +316,6 @@ class Exchanger(threading.Thread):
self.parent.set_currencies(quote_currencies)
def get_currencies(self):
return [] if self.quote_currencies == None else sorted(self.quote_currencies.keys())
def _lookup_rate(self, response, quote_id):
return decimal.Decimal(str(response[str(quote_id)]["15m"]))
def _lookup_rate_cb(self, response, quote_id):
@ -499,7 +501,7 @@ class Plugin(BasePlugin):
except KeyError:
tx_BTCVEN_val = _("No data")
if cur_exchange == "CoinDesk" or cur_exchange == "Winkdex":
if cur_exchange in ["CoinDesk", "Winkdex"]:
item.setText(5, tx_USD_val)
elif cur_exchange == "BitcoinVenezuela":
item.setText(5, tx_BTCVEN_val)
@ -527,10 +529,7 @@ class Plugin(BasePlugin):
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)
hist_checkbox.setChecked(self.config.get('history_rates', 'unchecked') != 'unchecked')
ok_button = QPushButton(_("OK"))
def on_change(x):
@ -541,15 +540,10 @@ class Plugin(BasePlugin):
if cur_request != self.fiat_unit():
self.config.set_key('currency', cur_request, True)
cur_exchange = self.config.get('use_exchange', "Blockchain")
if cur_request == "USD" and (cur_exchange == "CoinDesk" or cur_exchange == "Winkdex"):
hist_checkbox.setEnabled(True)
elif cur_request == "VEF" and (cur_exchange == "BitcoinVenezuela"):
hist_checkbox.setEnabled(True)
elif cur_request == "ARS" and (cur_exchange == "BitcoinVenezuela"):
if (cur_exchange, cur_request) in EXCH_SUPPORT_HIST:
hist_checkbox.setEnabled(True)
else:
hist_checkbox.setChecked(False)
hist_checkbox.setEnabled(False)
disable_check()
self.win.update_status()
try:
self.fiat_button
@ -570,16 +564,8 @@ class Plugin(BasePlugin):
combo.clear()
self.exchanger.query_rates.set()
cur_currency = self.fiat_unit()
if cur_request == "CoinDesk" or cur_request == "Winkdex":
if cur_currency == "USD":
hist_checkbox.setEnabled(True)
else:
disable_check()
elif cur_request == "BitcoinVenezuela":
if cur_currency == "VEF" or cur_currency == "ARS":
hist_checkbox.setEnabled(True)
else:
disable_check()
if (cur_request, cur_currency) in EXCH_SUPPORT_HIST:
hist_checkbox.setEnabled(True)
else:
disable_check()
set_currencies(combo)
@ -598,16 +584,12 @@ class Plugin(BasePlugin):
def set_hist_check(hist_checkbox):
cur_exchange = self.config.get('use_exchange', "Blockchain")
if cur_exchange == "CoinDesk" or cur_exchange == "Winkdex":
hist_checkbox.setEnabled(True)
elif cur_exchange == "BitcoinVenezuela":
hist_checkbox.setEnabled(True)
else:
hist_checkbox.setEnabled(False)
hist_checkbox.setEnabled(cur_exchange in ["CoinDesk", "Winkdex", "BitcoinVenezuela"])
def set_currencies(combo):
current_currency = self.fiat_unit()
try:
combo.blockSignals(True)
current_currency = self.fiat_unit()
combo.clear()
except Exception:
return
@ -616,6 +598,7 @@ class Plugin(BasePlugin):
index = self.currencies.index(current_currency)
except Exception:
index = 0
combo.blockSignals(False)
combo.setCurrentIndex(index)
def set_exchanges(combo_ex):
@ -631,6 +614,8 @@ class Plugin(BasePlugin):
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)

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