binance

type Account struct {
	MakerCommision  int64
	TakerCommision  int64
	BuyerCommision  int64
	SellerCommision int64
	CanTrade        bool
	CanWithdraw     bool
	CanDeposit      bool
	Balances        []*Balance
}

type AccountEvent struct {
	WSEvent
	Account
	ExecutedOrder
}

type AccountRequest struct {
	RecvWindow time.Duration
	Timestamp  time.Time
}

type AggTrade struct {
	ID             int
	Price          float64
	Quantity       float64
	FirstTradeID   int
	LastTradeID    int
	Timestamp      time.Time
	BuyerMaker     bool
	BestPriceMatch bool
}

type AggTradeEvent struct {
	WSEvent
	AggTrade
}

type AggTradesRequest struct {
	Symbol    string
	FromID    int64
	StartTime int64
	EndTime   int64
	Limit     int
}

type AllOrdersRequest struct {
	Symbol     string
	OrderID    int64
	Limit      int
	RecvWindow time.Duration
	Timestamp  time.Time
}

type Balance struct {
	Asset  string
	Free   float64
	Locked float64
}

type Binance interface {
	// Ping tests connectivity.
	Ping() error
	// Time returns server time.
	Time() (time.Time, error)
	// ExchangeInfo returns exchange information
	ExchangeInfo() (*ExchangeInfo, error)
	// OrderBook returns list of orders.
	OrderBook(obr OrderBookRequest) (*OrderBook, error)
	// Trades returns recent list of trades.
	Trades(req TradesRequest) ([]*PublicTrade, error)
	// AggTrades returns compressed/aggregate list of trades.
	AggTrades(atr AggTradesRequest) ([]*AggTrade, error)
	// Klines returns klines/candlestick data.
	Klines(kr KlinesRequest) ([]*Kline, error)
	// Tickers24 returns all 24hr price change statistics.
	Tickers24() ([]*Ticker24, error)
	// Ticker24 returns 24hr price change statistics.
	Ticker24(tr TickerRequest) (*Ticker24, error)
	// TickerAllPrices returns ticker data for symbols.
	TickerAllPrices() ([]*PriceTicker, error)
	// TickerAllBooks returns tickers for all books.
	TickerAllBooks() ([]*BookTicker, error)

	// NewOrder places new order and returns ProcessedOrder.
	NewOrder(nor NewOrderRequest) (*ProcessedOrder, error)
	// NewOrder places testing order.
	NewOrderTest(nor NewOrderRequest) error
	// QueryOrder returns data about existing order.
	QueryOrder(qor QueryOrderRequest) (*ExecutedOrder, error)
	// CancelOrder cancels order.
	CancelOrder(cor CancelOrderRequest) (*CanceledOrder, error)
	// OpenOrders returns list of open orders.
	OpenOrders(oor OpenOrdersRequest) ([]*ExecutedOrder, error)
	// AllOrders returns list of all previous orders.
	AllOrders(aor AllOrdersRequest) ([]*ExecutedOrder, error)

	// Account returns account data.
	Account(ar AccountRequest) (*Account, error)
	// MyTrades list user's trades.
	MyTrades(mtr MyTradesRequest) ([]*Trade, error)
	// Withdraw executes withdrawal.
	Withdraw(wr WithdrawRequest) (*WithdrawResult, error)
	// DepositHistory lists deposit data.
	DepositHistory(hr HistoryRequest) ([]*Deposit, error)
	// WithdrawHistory lists withdraw data.
	WithdrawHistory(hr HistoryRequest) ([]*Withdrawal, error)

	// StartUserDataStream starts stream and returns Stream with ListenKey.
	StartUserDataStream() (*Stream, error)
	// KeepAliveUserDataStream prolongs stream livespan.
	KeepAliveUserDataStream(s *Stream) error
	// CloseUserDataStream closes opened stream.
	CloseUserDataStream(s *Stream) error

	Tickers24Websocket() (chan *Tickers24Event, chan struct{}, error)
	DepthWebsocket(dwr DepthWebsocketRequest) (chan *DepthEvent, chan struct{}, error)
	KlineWebsocket(kwr KlineWebsocketRequest) (chan *KlineEvent, chan struct{}, error)
	TradeWebsocket(twr TradeWebsocketRequest) (chan *AggTradeEvent, chan struct{}, error)
	UserDataWebsocket(udwr UserDataWebsocketRequest) (chan *AccountEvent, chan struct{}, error)
	OrderBookWebsocket(obr OrderBookRequest) (chan *OrderBook, chan struct{}, error)
}

type BookTicker struct {
	Symbol   string
	BidPrice float64
	BidQty   float64
	AskPrice float64
	AskQty   float64
}

type CancelOrderRequest struct {
	Symbol            string
	OrderID           int64
	OrigClientOrderID string
	NewClientOrderID  string
	RecvWindow        time.Duration
	Timestamp         time.Time
}

type CanceledOrder struct {
	Symbol            string
	OrigClientOrderID string
	OrderID           int64
	ClientOrderID     string
}

type Deposit struct {
	InsertTime time.Time
	Amount     float64
	Asset      string
	Status     int
}

type DepthEvent struct {
	WSEvent
	UpdateID int
	OrderBook
}

type DepthWebsocketRequest struct {
	Symbol string
}

type Error struct {
	Code    int    `json:"code"`
	Message string `json:"msg"`
}

type ExchangeInfo struct {
	Timezone   string
	ServerTime int64
	RateLimits []RateLimit
	Symbols    []Symbol
}

type ExecutedOrder struct {
	Symbol        string
	OrderID       int64
	ClientOrderID string
	Price         float64
	OrigQty       float64
	ExecutedQty   float64
	Status        OrderStatus
	TimeInForce   TimeInForce
	Type          OrderType
	Side          OrderSide
	StopPrice     float64
	IcebergQty    float64
	Time          time.Time
}

type HistoryRequest struct {
	Asset      string
	Status     *int
	StartTime  time.Time
	EndTime    time.Time
	RecvWindow time.Duration
	Timestamp  time.Time
}

type HmacSigner struct {
	Key []byte
}

type Interval string

type Kline struct {
	OpenTime                 time.Time
	Open                     float64
	High                     float64
	Low                      float64
	Close                    float64
	Volume                   float64
	CloseTime                time.Time
	QuoteAssetVolume         float64
	NumberOfTrades           int
	TakerBuyBaseAssetVolume  float64
	TakerBuyQuoteAssetVolume float64
}

type KlineEvent struct {
	WSEvent
	Interval     Interval
	FirstTradeID int64
	LastTradeID  int64
	Final        bool
	Kline
}

type KlineWebsocketRequest struct {
	Symbol   string
	Interval Interval
}

type KlinesRequest struct {
	Symbol    string
	Interval  Interval
	Limit     int
	StartTime int64
	EndTime   int64
}

type MyTradesRequest struct {
	Symbol     string
	Limit      int
	FromID     int64
	RecvWindow time.Duration
	Timestamp  time.Time
}

type NewOrderRequest struct {
	Symbol           string
	Side             OrderSide
	Type             OrderType
	TimeInForce      TimeInForce
	Quantity         float64
	Price            float64
	PricePrecision   int
	NewClientOrderID string
	StopPrice        float64
	IcebergQty       float64
	Timestamp        time.Time
	ResponseType     OrderResponseType
}

type OpenOrdersRequest struct {
	Symbol     string
	RecvWindow time.Duration
	Timestamp  time.Time
}

type Order struct {
	Price    float64
	Quantity float64
}

type OrderBook struct {
	LastUpdateID int `json:"lastUpdateId"`
	Bids         []*Order
	Asks         []*Order
}

type OrderBookRequest struct {
	Symbol string
	Limit  int
	Level  int
}

type OrderFill struct {
	Price           float64
	Quantity        float64
	Commission      float64
	CommissionAsset string
}

type OrderResponseType string

type OrderSide string

type OrderStatus string

type OrderType string

type PriceTicker struct {
	Symbol string
	Price  float64
}

type ProcessedOrder struct {
	Symbol        string
	OrderID       int64
	ClientOrderID string
	TransactTime  time.Time
	Price         float64
	OrigQty       float64
	ExecutedQty   float64
	Status        OrderStatus
	TimeInForce   TimeInForce
	Type          OrderType
	Side          OrderSide
	Fills         []*OrderFill
}

type PublicTrade struct {
	ID             int
	Price          float64
	Quantity       float64
	Timestamp      time.Time
	BuyerMaker     bool
	BestPriceMatch bool
}

type QueryOrderRequest struct {
	Symbol            string
	OrderID           int64
	OrigClientOrderID string
	RecvWindow        time.Duration
	Timestamp         time.Time
}

type RateLimit struct {
	Type     string `json:"rateLimitType"`
	Interval string `json:"interval"`
	Limit    int64  `json:"limit"`
}

type Service interface {
	Ping() error
	Time() (time.Time, error)
	ExchangeInfo() (*ExchangeInfo, error)
	OrderBook(obr OrderBookRequest) (*OrderBook, error)
	Trades(atr TradesRequest) ([]*PublicTrade, error)
	AggTrades(atr AggTradesRequest) ([]*AggTrade, error)
	Klines(kr KlinesRequest) ([]*Kline, error)
	Tickers24() ([]*Ticker24, error)
	Ticker24(tr TickerRequest) (*Ticker24, error)
	TickerAllPrices() ([]*PriceTicker, error)
	TickerAllBooks() ([]*BookTicker, error)

	NewOrder(or NewOrderRequest) (*ProcessedOrder, error)
	NewOrderTest(or NewOrderRequest) error
	QueryOrder(qor QueryOrderRequest) (*ExecutedOrder, error)
	CancelOrder(cor CancelOrderRequest) (*CanceledOrder, error)
	OpenOrders(oor OpenOrdersRequest) ([]*ExecutedOrder, error)
	AllOrders(aor AllOrdersRequest) ([]*ExecutedOrder, error)

	Account(ar AccountRequest) (*Account, error)
	MyTrades(mtr MyTradesRequest) ([]*Trade, error)
	Withdraw(wr WithdrawRequest) (*WithdrawResult, error)
	DepositHistory(hr HistoryRequest) ([]*Deposit, error)
	WithdrawHistory(hr HistoryRequest) ([]*Withdrawal, error)

	StartUserDataStream() (*Stream, error)
	KeepAliveUserDataStream(s *Stream) error
	CloseUserDataStream(s *Stream) error

	Tickers24Websocket() (chan *Tickers24Event, chan struct{}, error)
	DepthWebsocket(dwr DepthWebsocketRequest) (chan *DepthEvent, chan struct{}, error)
	KlineWebsocket(kwr KlineWebsocketRequest) (chan *KlineEvent, chan struct{}, error)
	TradeWebsocket(twr TradeWebsocketRequest) (chan *AggTradeEvent, chan struct{}, error)
	UserDataWebsocket(udwr UserDataWebsocketRequest) (chan *AccountEvent, chan struct{}, error)
	OrderBookWebsocket(obr OrderBookRequest) (chan *OrderBook, chan struct{}, error)
}

type Signer interface {
	// Sign signs provided payload and returns encoded string sum.
	Sign(payload []byte) string
}

type Stream struct {
	ListenKey string
}

type Symbol struct {
	Symbol             string
	Status             string
	QuoteAsset         string
	QuotePrecision     int
	BaseAsset          string
	BaseAssetPrecision int
	Filters            []map[string]interface{}
}

type Ticker24 struct {
	Symbol             string
	PriceChange        float64
	PriceChangePercent float64
	WeightedAvgPrice   float64
	PrevClosePrice     float64
	LastPrice          float64
	BidPrice           float64
	AskPrice           float64
	OpenPrice          float64
	HighPrice          float64
	LowPrice           float64
	QuoteVolume        float64
	Volume             float64
	OpenTime           time.Time
	CloseTime          time.Time
	FirstID            int
	LastID             int
	Count              int
}

type TickerRequest struct {
	Symbol string
}

type Tickers24Event struct {
	Tickers24 []*Ticker24
}

type TimeInForce string

type Trade struct {
	ID              int64
	Price           float64
	Qty             float64
	Commission      float64
	CommissionAsset string
	Time            time.Time
	IsBuyer         bool
	IsMaker         bool
	IsBestMatch     bool
}

type TradeWebsocketRequest struct {
	Symbol string
}

type TradesRequest struct {
	Symbol string
	Limit  int
}

type UserDataWebsocketRequest struct {
	ListenKey string
}

type WSEvent struct {
	Type   string
	Time   time.Time
	Symbol string
}

type WithdrawRequest struct {
	Asset      string
	Address    string
	Amount     float64
	Name       string
	RecvWindow time.Duration
	Timestamp  time.Time
}

type WithdrawResult struct {
	Success bool
	Msg     string
}

type Withdrawal struct {
	Amount    float64
	Address   string
	TxID      string
	Asset     string
	ApplyTime time.Time
	Status    int
}