exg Package

The exg package provides exchange interface and trading-related functionality.

Function List

Setup

Initialize exchange settings.

Returns:

• *errs.Error - Returns error information if initialization fails, nil otherwise

GetWith

Get exchange instance based on specified exchange name, market, and contract type.

Parameters:

• name string - Exchange name
• market string - Market type
• contractType string - Contract type

Returns:

• banexg.BanExchange - Exchange instance
• *errs.Error - Returns error information if retrieval fails, nil otherwise

PrecCost

Process transaction cost amount according to exchange precision requirements.

Parameters:

• exchange banexg.BanExchange - Exchange instance
• symbol string - Trading pair symbol
• cost float64 - Original cost amount

Returns:

• float64 - Cost amount processed according to exchange precision
• *errs.Error - Returns error information if processing fails, nil otherwise

PrecPrice

Process transaction price according to exchange precision requirements.

Parameters:

• exchange banexg.BanExchange - Exchange instance
• symbol string - Trading pair symbol
• price float64 - Original price

Returns:

• float64 - Price processed according to exchange precision
• *errs.Error - Returns error information if processing fails, nil otherwise

PrecAmount

Process transaction amount according to exchange precision requirements.

Parameters:

• exchange banexg.BanExchange - Exchange instance
• symbol string - Trading pair symbol
• amount float64 - Original amount

Returns:

• float64 - Amount processed according to exchange precision
• *errs.Error - Returns error information if processing fails, nil otherwise

GetLeverage

Get leverage ratio for specified trading pair and notional value.

Parameters:

• symbol string - Trading pair symbol
• notional float64 - Notional value
• account string - Account identifier

Returns:

• float64, float64 - Returns two float values representing related leverage ratio values

GetOdBook

Get order book data for specified trading pair.

Parameters:

• pair string - Trading pair symbol

Returns:

• *banexg.OrderBook - Order book data
• *errs.Error - Returns error information if retrieval fails, nil otherwise

GetTickers

Get market data for all trading pairs.

Returns:

• map[string]*banexg.Ticker - Market data mapping with trading pairs as keys
• *errs.Error - Returns error information if retrieval fails, nil otherwise

GetAlignOff

Get alignment offset for specified exchange and time frame.

Parameters:

• exgName string - Exchange name
• tfSecs int - Time frame (in seconds)

Returns:

• int - Alignment offset