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exchange.go
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exchange.go
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package exchange
import (
"context"
"errors"
"sort"
"strconv"
"time"
"github.com/thrasher-corp/gocryptotrader/currency"
"github.com/thrasher-corp/gocryptotrader/engine"
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/kline"
"github.com/thrasher-corp/gocryptotrader/exchanges/order"
"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
"github.com/thrasher-corp/gocryptotrader/portfolio/banking"
"github.com/thrasher-corp/gocryptotrader/portfolio/withdraw"
)
// Exchange implements all required methods for Wrapper
type Exchange struct{}
// Exchanges returns slice of all current exchanges
func (e Exchange) Exchanges(enabledOnly bool) []string {
return engine.Bot.GetExchangeNames(enabledOnly)
}
// GetExchange returns IBotExchange for exchange or error if exchange is not found
func (e Exchange) GetExchange(exch string) (exchange.IBotExchange, error) {
return engine.Bot.GetExchangeByName(exch)
}
// IsEnabled returns if requested exchange is enabled or disabled
func (e Exchange) IsEnabled(exch string) bool {
ex, err := e.GetExchange(exch)
if err != nil {
return false
}
return ex.IsEnabled()
}
// Orderbook returns current orderbook requested exchange, pair and asset
func (e Exchange) Orderbook(ctx context.Context, exch string, pair currency.Pair, item asset.Item) (*orderbook.Base, error) {
return engine.Bot.GetSpecificOrderbook(ctx, pair, exch, item)
}
// Ticker returns ticker for provided currency pair & asset type
func (e Exchange) Ticker(ctx context.Context, exch string, pair currency.Pair, item asset.Item) (*ticker.Price, error) {
ex, err := e.GetExchange(exch)
if err != nil {
return nil, err
}
return ex.FetchTicker(ctx, pair, item)
}
// Pairs returns either all or enabled currency pairs
func (e Exchange) Pairs(exch string, enabledOnly bool, item asset.Item) (*currency.Pairs, error) {
x, err := engine.Bot.Config.GetExchangeConfig(exch)
if err != nil {
return nil, err
}
ps, err := x.CurrencyPairs.Get(item)
if err != nil {
return nil, err
}
if enabledOnly {
return &ps.Enabled, nil
}
return &ps.Available, nil
}
// QueryOrder returns details of a valid exchange order
func (e Exchange) QueryOrder(ctx context.Context, exch, orderID string, pair currency.Pair, assetType asset.Item) (*order.Detail, error) {
o, err := engine.Bot.OrderManager.GetOrderInfo(ctx, exch, orderID, pair, assetType)
if err != nil {
return nil, err
}
return &o, nil
}
// SubmitOrder submit new order on exchange
func (e Exchange) SubmitOrder(ctx context.Context, submit *order.Submit) (*order.SubmitResponse, error) {
r, err := engine.Bot.OrderManager.Submit(ctx, submit)
if err != nil {
return nil, err
}
return &r.SubmitResponse, nil
}
// CancelOrder wrapper to cancel order on exchange
func (e Exchange) CancelOrder(ctx context.Context, exch, orderID string, cp currency.Pair, a asset.Item) (bool, error) {
orderDetails, err := e.QueryOrder(ctx, exch, orderID, cp, a)
if err != nil {
return false, err
}
cancel := &order.Cancel{
AccountID: orderDetails.AccountID,
ID: orderDetails.ID,
Pair: orderDetails.Pair,
Side: orderDetails.Side,
AssetType: orderDetails.AssetType,
Exchange: exch,
}
err = engine.Bot.OrderManager.Cancel(ctx, cancel)
if err != nil {
return false, err
}
return true, nil
}
// AccountInformation returns account information (balance etc) for requested exchange
func (e Exchange) AccountInformation(ctx context.Context, exch string, assetType asset.Item) (account.Holdings, error) {
ex, err := e.GetExchange(exch)
if err != nil {
return account.Holdings{}, err
}
accountInfo, err := ex.FetchAccountInfo(ctx, assetType)
if err != nil {
return account.Holdings{}, err
}
return accountInfo, nil
}
// DepositAddress gets the address required to deposit funds for currency type
func (e Exchange) DepositAddress(exch, chain string, currencyCode currency.Code) (depositAddr *deposit.Address, err error) {
if currencyCode.IsEmpty() {
return nil, errors.New("currency code is empty")
}
resp, err := engine.Bot.DepositAddressManager.GetDepositAddressByExchangeAndCurrency(exch, chain, currencyCode)
return &deposit.Address{Address: resp.Address, Tag: resp.Tag}, err
}
// WithdrawalFiatFunds withdraw funds from exchange to requested fiat source
func (e Exchange) WithdrawalFiatFunds(ctx context.Context, bankAccountID string, request *withdraw.Request) (string, error) {
ex, err := e.GetExchange(request.Exchange)
if err != nil {
return "", err
}
var v *banking.Account
v, err = banking.GetBankAccountByID(bankAccountID)
if err != nil {
v, err = ex.GetBase().GetExchangeBankAccounts(bankAccountID, request.Currency.String())
if err != nil {
return "", err
}
}
otp, err := engine.Bot.GetExchangeOTPByName(request.Exchange)
if err == nil {
otpValue, errParse := strconv.ParseInt(otp, 10, 64)
if errParse != nil {
return "", errors.New("failed to generate OTP unable to continue")
}
request.OneTimePassword = otpValue
}
request.Fiat.Bank.AccountName = v.AccountName
request.Fiat.Bank.AccountNumber = v.AccountNumber
request.Fiat.Bank.BankName = v.BankName
request.Fiat.Bank.BankAddress = v.BankAddress
request.Fiat.Bank.BankPostalCity = v.BankPostalCity
request.Fiat.Bank.BankCountry = v.BankCountry
request.Fiat.Bank.BankPostalCode = v.BankPostalCode
request.Fiat.Bank.BSBNumber = v.BSBNumber
request.Fiat.Bank.SWIFTCode = v.SWIFTCode
request.Fiat.Bank.IBAN = v.IBAN
resp, err := engine.Bot.WithdrawManager.SubmitWithdrawal(ctx, request)
if err != nil {
return "", err
}
return resp.Exchange.ID, nil
}
// WithdrawalCryptoFunds withdraw funds from exchange to requested Crypto source
func (e Exchange) WithdrawalCryptoFunds(ctx context.Context, request *withdraw.Request) (string, error) {
// Checks if exchange is enabled or not so we don't call OTP generation
_, err := e.GetExchange(request.Exchange)
if err != nil {
return "", err
}
otp, err := engine.Bot.GetExchangeOTPByName(request.Exchange)
if err == nil {
v, errParse := strconv.ParseInt(otp, 10, 64)
if errParse != nil {
return "", errors.New("failed to generate OTP unable to continue")
}
request.OneTimePassword = v
}
resp, err := engine.Bot.WithdrawManager.SubmitWithdrawal(ctx, request)
if err != nil {
return "", err
}
return resp.Exchange.ID, nil
}
// OHLCV returns open high low close volume candles for requested exchange/pair/asset/start & end time
func (e Exchange) OHLCV(ctx context.Context, exch string, pair currency.Pair, item asset.Item, start, end time.Time, interval kline.Interval) (kline.Item, error) {
ex, err := e.GetExchange(exch)
if err != nil {
return kline.Item{}, err
}
ret, err := ex.GetHistoricCandlesExtended(ctx, pair, item, start, end, interval)
if err != nil {
return kline.Item{}, err
}
sort.Slice(ret.Candles, func(i, j int) bool {
return ret.Candles[i].Time.Before(ret.Candles[j].Time)
})
ret.FormatDates()
return ret, nil
}