wassname/catalyst
1
0
Fork 0
mirror of https://github.com/wassname/catalyst.git synced 2026-07-03 08:16:54 +08:00
Code Issues Packages Projects Releases Wiki Activity

BLD: improved error handling of the tickers operations

Browse Source
This commit is contained in:
fredfortier
2017-12-09 21:47:47 -05:00
parent e41eca0d8a
commit a74da31964
1 changed files with 19 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
catalyst/exchange/ccxt/ccxt_exchange.py
+19 -10
View File
@@ -578,20 +578,29 @@ class CCXT(Exchange):
"""
tickers = dict()
for asset in assets:
ccxt_symbol = self.get_symbol(asset)
ticker = self.api.fetch_ticker(ccxt_symbol)
try:
ccxt_symbol = self.get_symbol(asset)
ticker = self.api.fetch_ticker(ccxt_symbol)
ticker['last_traded'] = from_ms_timestamp(ticker['timestamp'])
ticker['last_traded'] = from_ms_timestamp(ticker['timestamp'])
if 'last_price' not in ticker:
# TODO: any more exceptions?
ticker['last_price'] = ticker['last']
if 'last_price' not in ticker:
# TODO: any more exceptions?
ticker['last_price'] = ticker['last']
# Using the volume represented in the base currency
ticker['volume'] = ticker['baseVolume'] \
if 'baseVolume' in ticker else 0
# Using the volume represented in the base currency
ticker['volume'] = ticker['baseVolume'] \
if 'baseVolume' in ticker else 0
tickers[asset] = ticker
tickers[asset] = ticker
except ExchangeNotAvailable as e:
log.warn(
'unable to fetch ticker: {} {}'.format(
self.name, asset.symbol
)
)
raise ExchangeRequestError(error=e)
return tickers