mWi |ddlZddlZddlmZddlmZejeZGddZ e Z dS)N)Optional)settingscxeZdZdZdZdejfdZdejfdZde de fdZ de fdZ de d e d e de fd Zd S) BinanceClientz*Wrapper around CCXT Binance Spot exchange.cd|_dS)N) _exchangeselfs A/var/www/html/crypto-bot/backend/app/data_layer/binance_client.py__init__zBinanceClient.__init__ s 15returnc|j4tjtjtjdddid|_|jS)z3Returns a singleton CCXT Binance exchange instance.NT defaultTypespot)apiKeysecretenableRateLimitoptions)rccxtbinancerBINANCE_API_KEYBINANCE_SECRET_KEYr s r get_exchangezBinanceClient.get_exchangesJ > !!\"2"5#'!6 ++DN~r c4tjdddidS)zEReturns an exchange instance without API keys (for public endpoints).Trr)rr)rrr s r get_readonly_exchangez#BinanceClient.get_readonly_exchanges-|#v     r symbolcK|} ||}|S#tj$r&}td|d|d}~wwxYw)z+Fetch the latest ticker for a trading pair.zError fetching ticker for : N)r fetch_tickerr BaseErrorloggererror)r rexchangetickeres r r zBinanceClient.fetch_ticker%s{--// **622FM~    LLCfCCCC D D D  s/A$!AA$cK|} |}|S#tj$r#}td|d}~wwxYw)z*Fetch account balance (requires API keys).zError fetching balance: N)r fetch_balancerr!r"r#)r r$balancer&s r r(zBinanceClient.fetch_balance/sq$$&& ,,..GN~    LL7A77 8 8 8  s.A AA sideamountc $K|} ||||}td|d|d|d||S#tj$r)}td|d|d|d}~wwxYw)z%Place a market order on Binance Spot.zMarket order placed:  z -> zError placing market order rN)rcreate_market_orderr"inforr!r#)r rr*r+r$orderr&s r r.z!BinanceClient.create_market_order9s$$&& 00vFFE KKSSSvSSSSESS T T TL~    LLKtKKfKKKK L L L  s>AB&$B  BN)__name__ __module__ __qualname____doc__r rrrrstrdictr r(floatr.r r rr s44666 dl     t|    T  !$ .3        r r) rloggingtypingr app.configr getLoggerr1r"rbinance_clientr8r r r>s   8 $ $;;;;;;;;|r