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Implement correct currency precision

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This commit is contained in:
Neil Booth 2015-09-06 18:06:56 +09:00
parent ce3c38db38
commit 26f2c757d3
1 changed files with 18 additions and 3 deletions
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21
plugins/exchange_rate.py
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@ -19,6 +19,15 @@ from electrum.util import format_satoshis
from electrum_gui.qt.util import *
from electrum_gui.qt.amountedit import AmountEdit
# See https://en.wikipedia.org/wiki/ISO_4217
CCY_PRECISIONS = {'BHD': 3, 'BIF': 0, 'BYR': 0, 'CLF': 4, 'CLP': 0,
'CVE': 0, 'DJF': 0, 'GNF': 0, 'IQD': 3, 'ISK': 0,
'JOD': 3, 'JPY': 0, 'KMF': 0, 'KRW': 0, 'KWD': 3,
'LYD': 3, 'MGA': 1, 'MRO': 1, 'OMR': 3, 'PYG': 0,
'RWF': 0, 'TND': 3, 'UGX': 0, 'UYI': 0, 'VND': 0,
'VUV': 0, 'XAF': 0, 'XAG': 2, 'XAU': 4, 'XOF': 0,
'XPF': 0}
class ExchangeBase:
def __init__(self, sig):
self.history = {}
@ -204,6 +213,11 @@ class Plugin(BasePlugin, ThreadJob):
is_exchange))
self.set_exchange(self.config_exchange())
def ccy_amount_str(self, amount, commas):
prec = CCY_PRECISIONS.get(self.ccy, 2)
fmt_str = "{:%s.%df}" % ("," if commas else "", max(0, prec))
return fmt_str.format(round(amount, prec))
def thread_jobs(self):
return [self]
@ -277,7 +291,8 @@ class Plugin(BasePlugin, ThreadJob):
if fee_e: window.update_fee()
btc_e.setStyleSheet(BLUE_FG)
else:
fiat_e.setText("%.2f" % (amount * Decimal(rate) / COIN))
fiat_e.setText(self.ccy_amount_str(
amount * Decimal(rate) / COIN, False))
fiat_e.setStyleSheet(BLUE_FG)
fiat_e.textEdited.connect(partial(edit_changed, fiat_e))
@ -369,8 +384,8 @@ class Plugin(BasePlugin, ThreadJob):
def value_str(self, satoshis, rate):
if rate:
value = round(Decimal(satoshis) / COIN * Decimal(rate), 2)
return " ".join(["{:,.2f}".format(value), self.ccy])
value = Decimal(satoshis) / COIN * Decimal(rate)
return "%s %s" % (self.ccy_amount_str(value, True), self.ccy)
return _("No data")
def historical_value_str(self, satoshis, d_t):