Files
gocryptotrader/exchanges/gemini/gemini_wrapper.go
2025-09-30 11:23:10 +10:00

826 lines
24 KiB
Go

package gemini
import (
"context"
"errors"
"fmt"
"net/url"
"sort"
"strconv"
"strings"
"time"
"github.com/thrasher-corp/gocryptotrader/common"
"github.com/thrasher-corp/gocryptotrader/common/key"
"github.com/thrasher-corp/gocryptotrader/config"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/exchange/order/limits"
"github.com/thrasher-corp/gocryptotrader/exchange/websocket"
exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
"github.com/thrasher-corp/gocryptotrader/exchanges/account"
"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
"github.com/thrasher-corp/gocryptotrader/exchanges/deposit"
"github.com/thrasher-corp/gocryptotrader/exchanges/fundingrate"
"github.com/thrasher-corp/gocryptotrader/exchanges/futures"
"github.com/thrasher-corp/gocryptotrader/exchanges/kline"
"github.com/thrasher-corp/gocryptotrader/exchanges/order"
"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
"github.com/thrasher-corp/gocryptotrader/exchanges/protocol"
"github.com/thrasher-corp/gocryptotrader/exchanges/request"
"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
"github.com/thrasher-corp/gocryptotrader/exchanges/trade"
"github.com/thrasher-corp/gocryptotrader/log"
"github.com/thrasher-corp/gocryptotrader/portfolio/withdraw"
)
// SetDefaults sets package defaults for gemini exchange
func (e *Exchange) SetDefaults() {
e.Name = "Gemini"
e.Enabled = true
e.Verbose = true
e.API.CredentialsValidator.RequiresKey = true
e.API.CredentialsValidator.RequiresSecret = true
requestFmt := &currency.PairFormat{
Uppercase: true,
Separator: ",",
}
configFmt := &currency.PairFormat{
Uppercase: true,
Delimiter: currency.DashDelimiter,
}
err := e.SetGlobalPairsManager(requestFmt, configFmt, asset.Spot)
if err != nil {
log.Errorln(log.ExchangeSys, err)
}
e.Features = exchange.Features{
Supports: exchange.FeaturesSupported{
REST: true,
Websocket: true,
RESTCapabilities: protocol.Features{
TickerFetching: true,
TradeFetching: true,
OrderbookFetching: true,
AutoPairUpdates: true,
AccountInfo: true,
GetOrder: true,
CancelOrders: true,
CancelOrder: true,
SubmitOrder: true,
UserTradeHistory: true,
CryptoDeposit: true,
CryptoWithdrawal: true,
TradeFee: true,
FiatWithdrawalFee: true,
CryptoWithdrawalFee: true,
},
WebsocketCapabilities: protocol.Features{
OrderbookFetching: true,
TradeFetching: true,
AuthenticatedEndpoints: true,
MessageSequenceNumbers: true,
KlineFetching: true,
Subscribe: true,
Unsubscribe: true,
},
WithdrawPermissions: exchange.AutoWithdrawCryptoWithAPIPermission |
exchange.AutoWithdrawCryptoWithSetup |
exchange.WithdrawFiatViaWebsiteOnly,
},
Enabled: exchange.FeaturesEnabled{
AutoPairUpdates: true,
},
Subscriptions: defaultSubscriptions.Clone(),
}
e.Requester, err = request.New(e.Name,
common.NewHTTPClientWithTimeout(exchange.DefaultHTTPTimeout),
request.WithLimiter(GetRateLimit()))
if err != nil {
log.Errorln(log.ExchangeSys, err)
}
e.API.Endpoints = e.NewEndpoints()
err = e.API.Endpoints.SetDefaultEndpoints(map[exchange.URL]string{
exchange.RestSpot: geminiAPIURL,
exchange.WebsocketSpot: geminiWebsocketEndpoint,
})
if err != nil {
log.Errorln(log.ExchangeSys, err)
}
e.Websocket = websocket.NewManager()
e.WebsocketResponseMaxLimit = exchange.DefaultWebsocketResponseMaxLimit
e.WebsocketResponseCheckTimeout = exchange.DefaultWebsocketResponseCheckTimeout
e.WebsocketOrderbookBufferLimit = exchange.DefaultWebsocketOrderbookBufferLimit
}
// Setup sets exchange configuration parameters
func (e *Exchange) Setup(exch *config.Exchange) error {
err := exch.Validate()
if err != nil {
return err
}
if !exch.Enabled {
e.SetEnabled(false)
return nil
}
err = e.SetupDefaults(exch)
if err != nil {
return err
}
if exch.UseSandbox {
err = e.API.Endpoints.SetRunningURL(exchange.RestSpot.String(), geminiSandboxAPIURL)
if err != nil {
log.Errorln(log.ExchangeSys, err)
}
}
wsRunningURL, err := e.API.Endpoints.GetURL(exchange.WebsocketSpot)
if err != nil {
return err
}
err = e.Websocket.Setup(&websocket.ManagerSetup{
ExchangeConfig: exch,
DefaultURL: geminiWebsocketEndpoint,
RunningURL: wsRunningURL,
Connector: e.WsConnect,
Subscriber: e.Subscribe,
Unsubscriber: e.Unsubscribe,
GenerateSubscriptions: e.generateSubscriptions,
Features: &e.Features.Supports.WebsocketCapabilities,
})
if err != nil {
return err
}
err = e.Websocket.SetupNewConnection(&websocket.ConnectionSetup{
ResponseCheckTimeout: exch.WebsocketResponseCheckTimeout,
ResponseMaxLimit: exch.WebsocketResponseMaxLimit,
URL: geminiWebsocketEndpoint + "/v2/" + geminiWsMarketData,
})
if err != nil {
return err
}
return e.Websocket.SetupNewConnection(&websocket.ConnectionSetup{
ResponseCheckTimeout: exch.WebsocketResponseCheckTimeout,
ResponseMaxLimit: exch.WebsocketResponseMaxLimit,
URL: geminiWebsocketEndpoint + "/v1/" + geminiWsOrderEvents,
Authenticated: true,
})
}
// FetchTradablePairs returns a list of the exchanges tradable pairs
func (e *Exchange) FetchTradablePairs(ctx context.Context, a asset.Item) (currency.Pairs, error) {
if !e.SupportsAsset(a) {
return nil, asset.ErrNotSupported
}
details, err := e.GetSymbolDetails(ctx, "all")
if err != nil {
return nil, err
}
pairs := make([]currency.Pair, 0, len(details))
for i := range details {
status := strings.ToLower(details[i].Status)
if status != "open" && status != "limit_only" {
continue
}
if !strings.EqualFold(details[i].ContractType, "vanilla") {
// TODO: add support for futures
continue
}
cp, err := currency.NewPairFromStrings(details[i].BaseCurrency, details[i].Symbol[len(details[i].BaseCurrency):])
if err != nil {
return nil, err
}
pairs = append(pairs, cp)
}
return pairs, nil
}
// UpdateTradablePairs updates the exchanges available pairs and stores
// them in the exchanges config
func (e *Exchange) UpdateTradablePairs(ctx context.Context) error {
pairs, err := e.FetchTradablePairs(ctx, asset.Spot)
if err != nil {
return err
}
if err := e.UpdatePairs(pairs, asset.Spot, false); err != nil {
return err
}
return e.EnsureOnePairEnabled()
}
// UpdateAccountInfo Retrieves balances for all enabled currencies for the
// Gemini exchange
func (e *Exchange) UpdateAccountInfo(ctx context.Context, assetType asset.Item) (account.Holdings, error) {
var response account.Holdings
response.Exchange = e.Name
accountBalance, err := e.GetBalances(ctx)
if err != nil {
return response, err
}
currencies := make([]account.Balance, len(accountBalance))
for i := range accountBalance {
currencies[i] = account.Balance{
Currency: currency.NewCode(accountBalance[i].Currency),
Total: accountBalance[i].Amount,
Hold: accountBalance[i].Amount - accountBalance[i].Available,
Free: accountBalance[i].Available,
}
}
response.Accounts = append(response.Accounts, account.SubAccount{
AssetType: assetType,
Currencies: currencies,
})
creds, err := e.GetCredentials(ctx)
if err != nil {
return account.Holdings{}, err
}
err = account.Process(&response, creds)
if err != nil {
return account.Holdings{}, err
}
return response, nil
}
// UpdateTickers updates the ticker for all currency pairs of a given asset type
func (e *Exchange) UpdateTickers(_ context.Context, _ asset.Item) error {
return common.ErrFunctionNotSupported
}
// UpdateTicker updates and returns the ticker for a currency pair
func (e *Exchange) UpdateTicker(ctx context.Context, p currency.Pair, a asset.Item) (*ticker.Price, error) {
fPair, err := e.FormatExchangeCurrency(p, a)
if err != nil {
return nil, err
}
tick, err := e.GetTicker(ctx, fPair.String())
if err != nil {
return nil, err
}
err = ticker.ProcessTicker(&ticker.Price{
High: tick.High,
Low: tick.Low,
Bid: tick.Bid,
Ask: tick.Ask,
Open: tick.Open,
Close: tick.Close,
Pair: fPair,
ExchangeName: e.Name,
AssetType: a,
})
if err != nil {
return nil, err
}
return ticker.GetTicker(e.Name, fPair, a)
}
// UpdateOrderbook updates and returns the orderbook for a currency pair
func (e *Exchange) UpdateOrderbook(ctx context.Context, p currency.Pair, assetType asset.Item) (*orderbook.Book, error) {
if p.IsEmpty() {
return nil, currency.ErrCurrencyPairEmpty
}
if err := e.CurrencyPairs.IsAssetEnabled(assetType); err != nil {
return nil, err
}
book := &orderbook.Book{
Exchange: e.Name,
Pair: p,
Asset: assetType,
ValidateOrderbook: e.ValidateOrderbook,
}
fPair, err := e.FormatExchangeCurrency(p, assetType)
if err != nil {
return book, err
}
orderbookNew, err := e.GetOrderbook(ctx, fPair.String(), url.Values{})
if err != nil {
return book, err
}
book.Bids = make(orderbook.Levels, len(orderbookNew.Bids))
for x := range orderbookNew.Bids {
book.Bids[x] = orderbook.Level{
Amount: orderbookNew.Bids[x].Amount,
Price: orderbookNew.Bids[x].Price,
}
}
book.Asks = make(orderbook.Levels, len(orderbookNew.Asks))
for x := range orderbookNew.Asks {
book.Asks[x] = orderbook.Level{
Amount: orderbookNew.Asks[x].Amount,
Price: orderbookNew.Asks[x].Price,
}
}
err = book.Process()
if err != nil {
return book, err
}
return orderbook.Get(e.Name, fPair, assetType)
}
// GetAccountFundingHistory returns funding history, deposits and
// withdrawals
func (e *Exchange) GetAccountFundingHistory(ctx context.Context) ([]exchange.FundingHistory, error) {
transfers, err := e.Transfers(ctx, currency.EMPTYCODE, time.Time{}, 50, "", false)
if err != nil {
return nil, err
}
resp := make([]exchange.FundingHistory, len(transfers))
for i := range transfers {
resp[i] = exchange.FundingHistory{
Status: transfers[i].Status,
TransferID: transfers[i].WithdrawalID,
Timestamp: transfers[i].Timestamp.Time(),
Currency: transfers[i].Currency.String(),
Amount: transfers[i].Amount,
Fee: transfers[i].FeeAmount,
TransferType: transfers[i].Type,
CryptoToAddress: transfers[i].Destination,
CryptoTxID: transfers[i].TxHash,
}
}
return resp, nil
}
// GetWithdrawalsHistory returns previous withdrawals data
func (e *Exchange) GetWithdrawalsHistory(ctx context.Context, c currency.Code, a asset.Item) ([]exchange.WithdrawalHistory, error) {
if err := e.CurrencyPairs.IsAssetEnabled(a); err != nil {
return nil, err
}
transfers, err := e.Transfers(ctx, c, time.Time{}, 50, "", false)
if err != nil {
return nil, err
}
resp := make([]exchange.WithdrawalHistory, 0, len(transfers))
for i := range transfers {
if transfers[i].Type != "Withdrawal" {
continue
}
resp = append(resp, exchange.WithdrawalHistory{
Status: transfers[i].Status,
TransferID: transfers[i].WithdrawalID,
Timestamp: transfers[i].Timestamp.Time(),
Currency: transfers[i].Currency.String(),
Amount: transfers[i].Amount,
Fee: transfers[i].FeeAmount,
TransferType: transfers[i].Type,
CryptoToAddress: transfers[i].Destination,
CryptoTxID: transfers[i].TxHash,
})
}
return resp, nil
}
// GetRecentTrades returns the most recent trades for a currency and asset
func (e *Exchange) GetRecentTrades(ctx context.Context, pair currency.Pair, assetType asset.Item) ([]trade.Data, error) {
return e.GetHistoricTrades(ctx, pair, assetType, time.Time{}, time.Time{})
}
// GetHistoricTrades returns historic trade data within the timeframe provided
func (e *Exchange) GetHistoricTrades(ctx context.Context, p currency.Pair, assetType asset.Item, timestampStart, timestampEnd time.Time) ([]trade.Data, error) {
if err := common.StartEndTimeCheck(timestampStart, timestampEnd); err != nil && !errors.Is(err, common.ErrDateUnset) {
return nil, fmt.Errorf("invalid time range supplied. Start: %v End %v %w", timestampStart, timestampEnd, err)
}
var err error
p, err = e.FormatExchangeCurrency(p, assetType)
if err != nil {
return nil, err
}
var resp []trade.Data
ts := timestampStart
limit := 500
allTrades:
for {
var tradeData []Trade
tradeData, err = e.GetTrades(ctx, p.String(), ts.Unix(), int64(limit), false)
if err != nil {
return nil, err
}
for i := range tradeData {
tradeTS := tradeData[i].Timestamp.Time()
if tradeTS.After(timestampEnd) && !timestampEnd.IsZero() {
break allTrades
}
var side order.Side
side, err = order.StringToOrderSide(tradeData[i].Type)
if err != nil {
return nil, err
}
resp = append(resp, trade.Data{
Exchange: e.Name,
TID: strconv.FormatInt(tradeData[i].TID, 10),
CurrencyPair: p,
AssetType: assetType,
Side: side,
Price: tradeData[i].Price,
Amount: tradeData[i].Amount,
Timestamp: tradeTS,
})
if i == len(tradeData)-1 {
if ts.Equal(tradeTS) {
break allTrades
}
ts = tradeTS
}
}
if len(tradeData) != limit {
break allTrades
}
}
err = e.AddTradesToBuffer(resp...)
if err != nil {
return nil, err
}
resp = trade.FilterTradesByTime(resp, timestampStart, timestampEnd)
sort.Sort(trade.ByDate(resp))
return resp, nil
}
// SubmitOrder submits a new order
func (e *Exchange) SubmitOrder(ctx context.Context, s *order.Submit) (*order.SubmitResponse, error) {
if err := s.Validate(e.GetTradingRequirements()); err != nil {
return nil, err
}
if s.Type != order.Limit {
return nil, errors.New("only limit orders are enabled through this exchange")
}
fPair, err := e.FormatExchangeCurrency(s.Pair, asset.Spot)
if err != nil {
return nil, err
}
response, err := e.NewOrder(ctx,
fPair.String(),
s.Amount,
s.Price,
s.Side.String(),
"exchange limit")
if err != nil {
return nil, err
}
return s.DeriveSubmitResponse(strconv.FormatInt(response, 10))
}
// ModifyOrder modifies an existing order
func (e *Exchange) ModifyOrder(context.Context, *order.Modify) (*order.ModifyResponse, error) {
return nil, common.ErrFunctionNotSupported
}
// CancelOrder cancels an order by its corresponding ID number
func (e *Exchange) CancelOrder(ctx context.Context, o *order.Cancel) error {
if err := o.Validate(o.StandardCancel()); err != nil {
return err
}
orderIDInt, err := strconv.ParseInt(o.OrderID, 10, 64)
if err != nil {
return err
}
_, err = e.CancelExistingOrder(ctx, orderIDInt)
return err
}
// CancelBatchOrders cancels an orders by their corresponding ID numbers
func (e *Exchange) CancelBatchOrders(_ context.Context, _ []order.Cancel) (*order.CancelBatchResponse, error) {
return nil, common.ErrFunctionNotSupported
}
// GetServerTime returns the current exchange server time.
func (e *Exchange) GetServerTime(_ context.Context, _ asset.Item) (time.Time, error) {
return time.Time{}, common.ErrFunctionNotSupported
}
// CancelAllOrders cancels all orders associated with a currency pair
func (e *Exchange) CancelAllOrders(ctx context.Context, _ *order.Cancel) (order.CancelAllResponse, error) {
cancelAllOrdersResponse := order.CancelAllResponse{
Status: make(map[string]string),
}
resp, err := e.CancelExistingOrders(ctx, false)
if err != nil {
return cancelAllOrdersResponse, err
}
for i := range resp.Details.CancelRejects {
cancelAllOrdersResponse.Status[resp.Details.CancelRejects[i]] = "Could not cancel order"
}
return cancelAllOrdersResponse, nil
}
// GetOrderInfo returns order information based on order ID
func (e *Exchange) GetOrderInfo(ctx context.Context, orderID string, _ currency.Pair, _ asset.Item) (*order.Detail, error) {
iOID, err := strconv.ParseInt(orderID, 10, 64)
if err != nil {
return nil, err
}
resp, err := e.GetOrderStatus(ctx, iOID)
if err != nil {
return nil, err
}
cp, err := currency.NewPairFromString(resp.Symbol)
if err != nil {
return nil, err
}
var orderType order.Type
switch resp.Type {
case "exchange limit":
orderType = order.Limit
case "market buy", "market sell":
orderType = order.Market
default:
return nil, fmt.Errorf("unknown order type: %q", resp.Type)
}
var side order.Side
side, err = order.StringToOrderSide(resp.Side)
if err != nil {
return nil, err
}
return &order.Detail{
OrderID: strconv.FormatInt(resp.OrderID, 10),
Amount: resp.OriginalAmount,
RemainingAmount: resp.RemainingAmount,
Pair: cp,
Date: resp.TimestampMS.Time(),
Price: resp.Price,
HiddenOrder: resp.IsHidden,
ClientOrderID: resp.ClientOrderID,
Type: orderType,
Side: side,
}, nil
}
// GetDepositAddress returns a deposit address for a specified currency
func (e *Exchange) GetDepositAddress(ctx context.Context, cryptocurrency currency.Code, _, _ string) (*deposit.Address, error) {
addr, err := e.GetCryptoDepositAddress(ctx, "", cryptocurrency.String())
if err != nil {
return nil, err
}
return &deposit.Address{Address: addr.Address}, nil
}
// WithdrawCryptocurrencyFunds returns a withdrawal ID when a withdrawal is
// submitted
func (e *Exchange) WithdrawCryptocurrencyFunds(ctx context.Context, withdrawRequest *withdraw.Request) (*withdraw.ExchangeResponse, error) {
if err := withdrawRequest.Validate(); err != nil {
return nil, err
}
resp, err := e.WithdrawCrypto(ctx,
withdrawRequest.Crypto.Address,
withdrawRequest.Currency.String(),
withdrawRequest.Amount)
if err != nil {
return nil, err
}
if resp.Result == "error" {
return nil, errors.New(resp.Message)
}
return &withdraw.ExchangeResponse{
ID: resp.TXHash,
}, err
}
// WithdrawFiatFunds returns a withdrawal ID when a
// withdrawal is submitted
func (e *Exchange) WithdrawFiatFunds(_ context.Context, _ *withdraw.Request) (*withdraw.ExchangeResponse, error) {
return nil, common.ErrFunctionNotSupported
}
// WithdrawFiatFundsToInternationalBank returns a withdrawal ID when a
// withdrawal is submitted
func (e *Exchange) WithdrawFiatFundsToInternationalBank(_ context.Context, _ *withdraw.Request) (*withdraw.ExchangeResponse, error) {
return nil, common.ErrFunctionNotSupported
}
// GetFeeByType returns an estimate of fee based on type of transaction
func (e *Exchange) GetFeeByType(ctx context.Context, feeBuilder *exchange.FeeBuilder) (float64, error) {
if feeBuilder == nil {
return 0, fmt.Errorf("%T %w", feeBuilder, common.ErrNilPointer)
}
if (!e.AreCredentialsValid(ctx) || e.SkipAuthCheck) && // Todo check connection status
feeBuilder.FeeType == exchange.CryptocurrencyTradeFee {
feeBuilder.FeeType = exchange.OfflineTradeFee
}
return e.GetFee(ctx, feeBuilder)
}
// GetActiveOrders retrieves any orders that are active/open
func (e *Exchange) GetActiveOrders(ctx context.Context, req *order.MultiOrderRequest) (order.FilteredOrders, error) {
err := req.Validate()
if err != nil {
return nil, err
}
resp, err := e.GetOrders(ctx)
if err != nil {
return nil, err
}
availPairs, err := e.GetAvailablePairs(asset.Spot)
if err != nil {
return nil, err
}
format, err := e.GetPairFormat(asset.Spot, true)
if err != nil {
return nil, err
}
orders := make([]order.Detail, len(resp))
for i := range resp {
var symbol currency.Pair
symbol, err = currency.NewPairFromFormattedPairs(resp[i].Symbol, availPairs, format)
if err != nil {
return nil, err
}
var orderType order.Type
switch resp[i].Type {
case "exchange limit":
orderType = order.Limit
case "market buy", "market sell":
orderType = order.Market
default:
return nil, fmt.Errorf("unknown order type: %q", resp[i].Type)
}
var side order.Side
side, err = order.StringToOrderSide(resp[i].Side)
if err != nil {
return nil, err
}
orders[i] = order.Detail{
Amount: resp[i].OriginalAmount,
RemainingAmount: resp[i].RemainingAmount,
OrderID: strconv.FormatInt(resp[i].OrderID, 10),
ExecutedAmount: resp[i].ExecutedAmount,
Exchange: e.Name,
Type: orderType,
Side: side,
Price: resp[i].Price,
Pair: symbol,
Date: resp[i].Timestamp.Time(),
}
}
return req.Filter(e.Name, orders), nil
}
// GetOrderHistory retrieves account order information
// Can Limit response to specific order status
func (e *Exchange) GetOrderHistory(ctx context.Context, req *order.MultiOrderRequest) (order.FilteredOrders, error) {
err := req.Validate()
if err != nil {
return nil, err
}
if len(req.Pairs) == 0 {
return nil, errors.New("currency must be supplied")
}
var trades []TradeHistory
for j := range req.Pairs {
var fPair currency.Pair
fPair, err = e.FormatExchangeCurrency(req.Pairs[j], asset.Spot)
if err != nil {
return nil, err
}
var resp []TradeHistory
resp, err = e.GetTradeHistory(ctx, fPair.String(), req.StartTime.Unix())
if err != nil {
return nil, err
}
for i := range resp {
resp[i].BaseCurrency = req.Pairs[j].Base.String()
resp[i].QuoteCurrency = req.Pairs[j].Quote.String()
trades = append(trades, resp[i])
}
}
format, err := e.GetPairFormat(asset.Spot, false)
if err != nil {
return nil, err
}
orders := make([]order.Detail, len(trades))
for i := range trades {
var side order.Side
side, err = order.StringToOrderSide(trades[i].Type)
if err != nil {
return nil, err
}
detail := order.Detail{
OrderID: strconv.FormatInt(trades[i].OrderID, 10),
Amount: trades[i].Amount,
ExecutedAmount: trades[i].Amount,
Exchange: e.Name,
Date: trades[i].Timestamp.Time(),
Side: side,
Fee: trades[i].FeeAmount,
Price: trades[i].Price,
AverageExecutedPrice: trades[i].Price,
Pair: currency.NewPairWithDelimiter(
trades[i].BaseCurrency,
trades[i].QuoteCurrency,
format.Delimiter,
),
}
detail.InferCostsAndTimes()
orders[i] = detail
}
return req.Filter(e.Name, orders), nil
}
// ValidateAPICredentials validates current credentials used for wrapper
// functionality
func (e *Exchange) ValidateAPICredentials(ctx context.Context, assetType asset.Item) error {
_, err := e.UpdateAccountInfo(ctx, assetType)
return e.CheckTransientError(err)
}
// GetHistoricCandles returns candles between a time period for a set time interval
func (e *Exchange) GetHistoricCandles(_ context.Context, _ currency.Pair, _ asset.Item, _ kline.Interval, _, _ time.Time) (*kline.Item, error) {
return nil, common.ErrFunctionNotSupported
}
// GetHistoricCandlesExtended returns candles between a time period for a set time interval
func (e *Exchange) GetHistoricCandlesExtended(_ context.Context, _ currency.Pair, _ asset.Item, _ kline.Interval, _, _ time.Time) (*kline.Item, error) {
return nil, common.ErrFunctionNotSupported
}
// GetFuturesContractDetails returns all contracts from the exchange by asset type
func (e *Exchange) GetFuturesContractDetails(context.Context, asset.Item) ([]futures.Contract, error) {
return nil, common.ErrFunctionNotSupported
}
// UpdateOrderExecutionLimits sets exchange executions for a required asset type
func (e *Exchange) UpdateOrderExecutionLimits(ctx context.Context, a asset.Item) error {
if a != asset.Spot {
return fmt.Errorf("%w %q", asset.ErrNotSupported, a)
}
details, err := e.GetSymbolDetails(ctx, "all")
if err != nil {
return fmt.Errorf("cannot update exchange execution limits: %w", err)
}
resp := make([]limits.MinMaxLevel, 0, len(details))
for i := range details {
status := strings.ToLower(details[i].Status)
if status != "open" && status != "limit_only" {
continue
}
cp, err := currency.NewPairFromStrings(details[i].BaseCurrency, details[i].QuoteCurrency)
if err != nil {
return err
}
resp = append(resp, limits.MinMaxLevel{
Key: key.NewExchangeAssetPair(e.Name, a, cp),
AmountStepIncrementSize: details[i].TickSize,
MinimumBaseAmount: details[i].MinOrderSize.Float64(),
QuoteStepIncrementSize: details[i].QuoteIncrement,
})
}
return limits.Load(resp)
}
// GetLatestFundingRates returns the latest funding rates data
func (e *Exchange) GetLatestFundingRates(context.Context, *fundingrate.LatestRateRequest) ([]fundingrate.LatestRateResponse, error) {
return nil, common.ErrFunctionNotSupported
}
// GetCurrencyTradeURL returns the URL to the exchange's trade page for the given asset and currency pair
func (e *Exchange) GetCurrencyTradeURL(_ context.Context, a asset.Item, cp currency.Pair) (string, error) {
_, err := e.CurrencyPairs.IsPairEnabled(cp, a)
if err != nil {
return "", err
}
cp.Delimiter = ""
return tradeBaseURL + cp.Upper().String(), nil
}