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commands: Improve error messages in convert_currency

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Co-authored-by: ghost43 <somber.night@protonmail.com>
This commit is contained in:
Joel Lehtonen
2022-12-06 03:30:24 +02:00
parent 02dba54ab9
commit 09170bdd1f
1 changed files with 4 additions and 2 deletions
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6
electrum/commands.py
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@@ -1327,6 +1327,8 @@ class Commands:
"""Converts the given amount of currency to another using the """Converts the given amount of currency to another using the
configured exchange rate source. configured exchange rate source.
""" """
if not self.daemon.fx.is_enabled():
raise Exception("FX is disabled. To enable, run: 'electrum setconfig use_exchange_rate true'")
# Currency codes are uppercase # Currency codes are uppercase
from_ccy = self.daemon.fx.ccy if from_ccy is None else from_ccy.upper() from_ccy = self.daemon.fx.ccy if from_ccy is None else from_ccy.upper()
to_ccy = to_ccy.upper() to_ccy = to_ccy.upper()
@@ -1335,9 +1337,9 @@ class Commands:
rate_to = self.daemon.fx.exchange.get_cached_spot_quote(to_ccy) rate_to = self.daemon.fx.exchange.get_cached_spot_quote(to_ccy)
# Test if currencies exist # Test if currencies exist
if rate_from.is_nan(): if rate_from.is_nan():
raise Exception('Currency to convert from is unknown') raise Exception(f'Currency to convert from ({from_ccy}) is unknown or rate is unavailable')
if rate_to.is_nan(): if rate_to.is_nan():
raise Exception('Currency to convert to is unknown') raise Exception(f'Currency to convert to ({to_ccy}) is unknown or rate is unavailable')
# Conversion # Conversion
try: try:
amount = Decimal(from_amount) / rate_from * rate_to amount = Decimal(from_amount) / rate_from * rate_to