exchange

type AccountCurrencyInfo struct {
	CurrencyName string
	TotalValue   float64 // Hold + Available
	Hold         float64 // Amount on hold (used for currently open orders)
	Available    float64 // Amount actually available for placing orders
}

type AccountInfo struct {
	ExchangeName string
	Currencies   []AccountCurrencyInfo
}

type Base struct {
	Name                        string
	Enabled                     bool
	Verbose                     bool
	Websocket                   bool
	RESTPollingDelay            time.Duration
	AuthenticatedAPISupport     bool
	APISecret, APIKey, ClientID string
	Nonce                       nonce.Nonce
	TakerFee, MakerFee, Fee     float64
	BaseCurrencies              []string
	AvailablePairs              []string
	EnabledPairs                []string
	AssetTypes                  []string
	WebsocketURL                string
	APIUrl                      string
	RequestCurrencyPairFormat   config.CurrencyPairFormatConfig
	ConfigCurrencyPairFormat    config.CurrencyPairFormatConfig
	Orderbooks                  orderbook.Orderbooks
}

type CurrencyPairInfo struct {
	Currency           pair.CurrencyPair
	FirstCurrencyName  string
	SecondCurrencyName string
}

type DefaultExchangeLimits struct{}

type IBotExchange interface {
	Setup(exch config.ExchangeConfig)
	Start()
	SetDefaults()
	GetName() string
	IsEnabled() bool
	GetTickerPrice(currency pair.CurrencyPair, assetType string) (ticker.Price, error)
	UpdateTicker(currency pair.CurrencyPair, assetType string) (ticker.Price, error)
	GetOrderbookEx(currency pair.CurrencyPair, assetType string) (orderbook.Base, error)
	GetOrderbookSimple(currency pair.CurrencyPair, assetType string) (orderbook.Base, error)
	UpdateOrderbook(currency pair.CurrencyPair, assetType string) (orderbook.Base, error)
	GetEnabledCurrencies() []pair.CurrencyPair
	GetExchangeAccountInfo() (AccountInfo, error)
	GetAuthenticatedAPISupport() bool
}

type IBotExchangeEx interface {
	IBotExchange
	Run()
	// NewOrder creates a new order on the exchange.
	// Returns the ID of the new exchange order, or an empty string if the order was filled
	// immediately but no ID was generated.
	NewOrder(symbol pair.CurrencyPair, amount, price float64, side OrderSide, orderType OrderType) (string, error)
	// CancelOrder will attempt to cancel the active order matching the given ID.
	// The currency pair may be required for some exchanges.
	CancelOrder(OrderID string, currencyPair pair.CurrencyPair) error
	// GetOrder returns information about a previously placed order (which may be active or inactive).
	// The currency pair may be required for some exchanges.
	GetOrder(orderID string, currencyPair pair.CurrencyPair) (*Order, error)
	// GetOrders returns information about currently active orders.
	// The pairs parameter should contain the currency pairs for which active orders should be retrieved,
	// if this is parameter is nil or empty then all active orders will be retrieved.
	GetOrders(pairs []pair.CurrencyPair) ([]*Order, error)
	// GetLimits returns price/amount limits for the exchange.
	GetLimits() ILimits
	// Returns currency pairs that can be used by the exchange account associated with this bot.
	// Use FormatExchangeCurrency to get the right key.
	GetCurrencyPairs() map[pair.CurrencyItem]*CurrencyPairInfo
}

type ILimits interface {
	// Returns max number of decimal places allowed in the trade price for the given currency pair,
	// -1 should be used to indicate this value isn't defined.
	GetPriceDecimalPlaces(p pair.CurrencyPair) int32
	// Returns max number of decimal places allowed in the trade amount for the given currency pair,
	// -1 should be used to indicate this value isn't defined.
	GetAmountDecimalPlaces(p pair.CurrencyPair) int32
	// Returns the minimum trade amount for the given currency pair.
	GetMinAmount(p pair.CurrencyPair) float64
	// Returns the minimum trade total (the amount multiplied by the price, denominated in the
	// price currency).
	GetMinTotal(p pair.CurrencyPair) float64
}

type Order struct {
	CurrencyPair    pair.CurrencyPair
	Type            OrderType
	Side            OrderSide
	Amount          float64 //original amount requested
	FilledAmount    float64
	RemainingAmount float64
	Rate            float64
	CreatedAt       int64 // timestamp
	//	LastUpdate      int64 // timestamp
	Status          OrderStatus
	OrderID         string // Order ID generated by the exchange
	InternalOrderID string // Order ID generated by the trading system (or bot)
}

type OrderSide string

type OrderStatus string

type OrderType string