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d9bcf8246f
* Bump golangci-lint and Go CI versions * Bump golangci-lint version * Address nitterinos
615 lines
17 KiB
Go
615 lines
17 KiB
Go
package bithumb
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"reflect"
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"strconv"
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"strings"
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"github.com/thrasher-corp/gocryptotrader/common/crypto"
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"github.com/thrasher-corp/gocryptotrader/currency"
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exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
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"github.com/thrasher-corp/gocryptotrader/exchanges/request"
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)
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const (
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apiURL = "https://api.bithumb.com"
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noError = "0000"
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publicTicker = "/public/ticker/"
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publicOrderBook = "/public/orderbook/"
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publicTransactionHistory = "/public/transaction_history/"
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publicCandleStick = "/public/candlestick/"
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privateAccInfo = "/info/account"
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privateAccBalance = "/info/balance"
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privateWalletAdd = "/info/wallet_address"
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privateTicker = "/info/ticker"
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privateOrders = "/info/orders"
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privateUserTrans = "/info/user_transactions"
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privatePlaceTrade = "/trade/place"
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privateOrderDetail = "/info/order_detail"
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privateCancelTrade = "/trade/cancel"
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privateBTCWithdraw = "/trade/btc_withdrawal"
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privateKRWDeposit = "/trade/krw_deposit"
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privateKRWWithdraw = "/trade/krw_withdrawal"
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privateMarketBuy = "/trade/market_buy"
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privateMarketSell = "/trade/market_sell"
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)
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// Bithumb is the overarching type across the Bithumb package
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type Bithumb struct {
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exchange.Base
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}
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// GetTradablePairs returns a list of tradable currencies
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func (b *Bithumb) GetTradablePairs() ([]string, error) {
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result, err := b.GetAllTickers()
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if err != nil {
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return nil, err
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}
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var currencies []string
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for x := range result {
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currencies = append(currencies, x)
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}
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return currencies, nil
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}
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// GetTicker returns ticker information
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//
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// symbol e.g. "btc"
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func (b *Bithumb) GetTicker(symbol string) (Ticker, error) {
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var response TickerResponse
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path := b.API.Endpoints.URL +
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publicTicker +
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strings.ToUpper(symbol)
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err := b.SendHTTPRequest(path, &response)
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if err != nil {
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return response.Data, err
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}
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if response.Status != noError {
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return response.Data, errors.New(response.Message)
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}
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return response.Data, nil
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}
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// GetAllTickers returns all ticker information
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func (b *Bithumb) GetAllTickers() (map[string]Ticker, error) {
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var response TickersResponse
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path := b.API.Endpoints.URL + publicTicker + "all"
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err := b.SendHTTPRequest(path, &response)
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if err != nil {
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return nil, err
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}
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if response.Status != noError {
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return nil, errors.New(response.Message)
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}
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result := make(map[string]Ticker)
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for k, v := range response.Data {
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if k == "date" {
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continue
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}
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var newTicker Ticker
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err := json.Unmarshal(v, &newTicker)
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if err != nil {
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return nil, err
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}
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result[k] = newTicker
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}
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return result, nil
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}
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// GetOrderBook returns current orderbook
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//
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// symbol e.g. "btc"
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func (b *Bithumb) GetOrderBook(symbol string) (Orderbook, error) {
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response := Orderbook{}
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path := b.API.Endpoints.URL + publicOrderBook + strings.ToUpper(symbol)
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err := b.SendHTTPRequest(path, &response)
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if err != nil {
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return response, err
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}
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if response.Status != noError {
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return response, errors.New(response.Message)
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}
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return response, nil
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}
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// GetTransactionHistory returns recent transactions
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//
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// symbol e.g. "btc"
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func (b *Bithumb) GetTransactionHistory(symbol string) (TransactionHistory, error) {
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response := TransactionHistory{}
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path := b.API.Endpoints.URL +
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publicTransactionHistory +
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strings.ToUpper(symbol)
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err := b.SendHTTPRequest(path, &response)
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if err != nil {
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return response, err
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}
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if response.Status != noError {
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return response, errors.New(response.Message)
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}
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return response, nil
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}
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// GetAccountInformation returns account information based on the desired
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// order/payment currencies
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func (b *Bithumb) GetAccountInformation(orderCurrency, paymentCurrency string) (Account, error) {
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var response Account
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if orderCurrency == "" {
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return response, errors.New("order currency must be set")
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}
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val := url.Values{}
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val.Add("order_currency", orderCurrency)
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if paymentCurrency != "" { // optional param, default is KRW
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val.Add("payment_currency", paymentCurrency)
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}
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return response,
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b.SendAuthenticatedHTTPRequest(privateAccInfo, val, &response)
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}
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// GetAccountBalance returns customer wallet information
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func (b *Bithumb) GetAccountBalance(c string) (FullBalance, error) {
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var response Balance
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var fullBalance = FullBalance{
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make(map[string]float64),
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make(map[string]float64),
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make(map[string]float64),
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make(map[string]float64),
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make(map[string]float64),
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}
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vals := url.Values{}
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if c != "" {
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vals.Set("currency", c)
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}
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err := b.SendAuthenticatedHTTPRequest(privateAccBalance, vals, &response)
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if err != nil {
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return fullBalance, err
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}
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// Added due to increasing of the usuable currencies on exchange, usually
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// without notificatation, so we dont need to update structs later on
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for tag, datum := range response.Data {
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splitTag := strings.Split(tag, "_")
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c := splitTag[len(splitTag)-1]
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var val float64
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if reflect.TypeOf(datum).String() != "float64" {
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val, err = strconv.ParseFloat(datum.(string), 64)
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if err != nil {
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return fullBalance, err
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}
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} else {
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val = datum.(float64)
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}
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switch splitTag[0] {
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case "available":
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fullBalance.Available[c] = val
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case "in":
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fullBalance.InUse[c] = val
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case "total":
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fullBalance.Total[c] = val
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case "misu":
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fullBalance.Misu[c] = val
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case "xcoin":
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fullBalance.Xcoin[c] = val
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default:
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return fullBalance, fmt.Errorf("getaccountbalance error tag name %s unhandled",
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splitTag)
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}
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}
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return fullBalance, nil
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}
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// GetWalletAddress returns customer wallet address
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//
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// currency e.g. btc, ltc or "", will default to btc without currency specified
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func (b *Bithumb) GetWalletAddress(currency string) (WalletAddressRes, error) {
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response := WalletAddressRes{}
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params := url.Values{}
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params.Set("currency", strings.ToUpper(currency))
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err := b.SendAuthenticatedHTTPRequest(privateWalletAdd, params, &response)
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if err != nil {
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return response, err
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}
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if response.Data.WalletAddress == "" {
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return response,
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fmt.Errorf("deposit address needs to be created via the Bithumb website before retreival for currency %s",
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currency)
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}
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return response, nil
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}
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// GetLastTransaction returns customer last transaction
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func (b *Bithumb) GetLastTransaction() (LastTransactionTicker, error) {
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response := LastTransactionTicker{}
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return response,
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b.SendAuthenticatedHTTPRequest(privateTicker, nil, &response)
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}
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// GetOrders returns order list
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//
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// orderID: order number registered for purchase/sales
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// transactionType: transaction type(bid : purchase, ask : sell)
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// count: Value : 1 ~1000 (default : 100)
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// after: YYYY-MM-DD hh:mm:ss's UNIX Timestamp
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// (2014-11-28 16:40:01 = 1417160401000)
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func (b *Bithumb) GetOrders(orderID, transactionType, count, after, currency string) (Orders, error) {
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response := Orders{}
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params := url.Values{}
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if len(orderID) > 0 {
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params.Set("order_id", orderID)
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}
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if len(transactionType) > 0 {
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params.Set("type", transactionType)
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}
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if len(count) > 0 {
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params.Set("count", count)
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}
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if len(after) > 0 {
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params.Set("after", after)
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}
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if len(currency) > 0 {
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params.Set("currency", strings.ToUpper(currency))
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}
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return response,
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b.SendAuthenticatedHTTPRequest(privateOrders, params, &response)
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}
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// GetUserTransactions returns customer transactions
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func (b *Bithumb) GetUserTransactions() (UserTransactions, error) {
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response := UserTransactions{}
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return response,
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b.SendAuthenticatedHTTPRequest(privateUserTrans, nil, &response)
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}
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// PlaceTrade executes a trade order
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//
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// orderCurrency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM, BTG, EOS
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// (default value: BTC)
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// transactionType: Transaction type(bid : purchase, ask : sales)
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// units: Order quantity
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// price: Transaction amount per currency
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func (b *Bithumb) PlaceTrade(orderCurrency, transactionType string, units float64, price int64) (OrderPlace, error) {
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response := OrderPlace{}
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params := url.Values{}
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params.Set("order_currency", strings.ToUpper(orderCurrency))
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params.Set("Payment_currency", "KRW")
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params.Set("type", strings.ToUpper(transactionType))
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params.Set("units", strconv.FormatFloat(units, 'f', -1, 64))
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params.Set("price", strconv.FormatInt(price, 10))
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return response,
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b.SendAuthenticatedHTTPRequest(privatePlaceTrade, params, &response)
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}
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// ModifyTrade modifies an order already on the exchange books
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func (b *Bithumb) ModifyTrade(orderID, orderCurrency, transactionType string, units float64, price int64) (OrderPlace, error) {
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response := OrderPlace{}
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params := url.Values{}
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params.Set("order_currency", strings.ToUpper(orderCurrency))
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params.Set("Payment_currency", "KRW")
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params.Set("type", strings.ToUpper(transactionType))
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params.Set("units", strconv.FormatFloat(units, 'f', -1, 64))
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params.Set("price", strconv.FormatInt(price, 10))
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params.Set("order_id", orderID)
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return response,
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b.SendAuthenticatedHTTPRequest(privatePlaceTrade, params, &response)
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}
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// GetOrderDetails returns specific order details
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//
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// orderID: Order number registered for purchase/sales
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// transactionType: Transaction type(bid : purchase, ask : sales)
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// currency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM, BTG, EOS
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// (default value: BTC)
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func (b *Bithumb) GetOrderDetails(orderID, transactionType, currency string) (OrderDetails, error) {
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response := OrderDetails{}
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params := url.Values{}
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params.Set("order_id", strings.ToUpper(orderID))
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params.Set("type", transactionType)
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params.Set("currency", strings.ToUpper(currency))
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return response,
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b.SendAuthenticatedHTTPRequest(privateOrderDetail, params, &response)
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}
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// CancelTrade cancels a customer purchase/sales transaction
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// transactionType: Transaction type(bid : purchase, ask : sales)
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// orderID: Order number registered for purchase/sales
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// currency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM, BTG, EOS
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// (default value: BTC)
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func (b *Bithumb) CancelTrade(transactionType, orderID, currency string) (ActionStatus, error) {
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response := ActionStatus{}
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params := url.Values{}
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params.Set("order_id", strings.ToUpper(orderID))
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params.Set("type", strings.ToUpper(transactionType))
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params.Set("currency", strings.ToUpper(currency))
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return response,
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b.SendAuthenticatedHTTPRequest(privateCancelTrade, nil, &response)
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}
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// WithdrawCrypto withdraws a customer currency to an address
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//
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// address: Currency withdrawing address
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// destination: Currency withdrawal Destination Tag (when withdraw XRP) OR
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// Currency withdrawal Payment Id (when withdraw XMR)
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// currency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM
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// (default value: BTC)
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// units: Quantity to withdraw currency
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func (b *Bithumb) WithdrawCrypto(address, destination, currency string, units float64) (ActionStatus, error) {
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response := ActionStatus{}
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params := url.Values{}
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params.Set("address", address)
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if len(destination) > 0 {
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params.Set("destination", destination)
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}
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params.Set("currency", strings.ToUpper(currency))
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params.Set("units", strconv.FormatFloat(units, 'f', -1, 64))
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return response,
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b.SendAuthenticatedHTTPRequest(privateBTCWithdraw, params, &response)
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}
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// RequestKRWDepositDetails returns Bithumb banking details for deposit
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// information
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func (b *Bithumb) RequestKRWDepositDetails() (KRWDeposit, error) {
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response := KRWDeposit{}
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return response,
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b.SendAuthenticatedHTTPRequest(privateKRWDeposit, nil, &response)
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}
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// RequestKRWWithdraw allows a customer KRW withdrawal request
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//
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// bank: Bankcode with bank name e.g. (bankcode)_(bankname)
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// account: Withdrawing bank account number
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// price: Withdrawing amount
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func (b *Bithumb) RequestKRWWithdraw(bank, account string, price int64) (ActionStatus, error) {
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response := ActionStatus{}
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params := url.Values{}
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params.Set("bank", bank)
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params.Set("account", account)
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params.Set("price", strconv.FormatInt(price, 10))
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return response,
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b.SendAuthenticatedHTTPRequest(privateKRWWithdraw, params, &response)
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}
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// MarketBuyOrder initiates a buy order through available order books
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//
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// currency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM, BTG, EOS
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// (default value: BTC)
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// units: Order quantity
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func (b *Bithumb) MarketBuyOrder(currency string, units float64) (MarketBuy, error) {
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response := MarketBuy{}
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params := url.Values{}
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params.Set("currency", strings.ToUpper(currency))
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params.Set("units", strconv.FormatFloat(units, 'f', -1, 64))
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return response,
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b.SendAuthenticatedHTTPRequest(privateMarketBuy, params, &response)
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}
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// MarketSellOrder initiates a sell order through available order books
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//
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// currency: BTC, ETH, DASH, LTC, ETC, XRP, BCH, XMR, ZEC, QTUM, BTG, EOS
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// (default value: BTC)
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// units: Order quantity
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func (b *Bithumb) MarketSellOrder(currency string, units float64) (MarketSell, error) {
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response := MarketSell{}
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params := url.Values{}
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params.Set("currency", strings.ToUpper(currency))
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params.Set("units", strconv.FormatFloat(units, 'f', -1, 64))
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return response,
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b.SendAuthenticatedHTTPRequest(privateMarketSell, params, &response)
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}
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// SendHTTPRequest sends an unauthenticated HTTP request
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func (b *Bithumb) SendHTTPRequest(path string, result interface{}) error {
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return b.SendPayload(context.Background(), &request.Item{
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Method: http.MethodGet,
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Path: path,
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Result: result,
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Verbose: b.Verbose,
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HTTPDebugging: b.HTTPDebugging,
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HTTPRecording: b.HTTPRecording,
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})
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}
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// SendAuthenticatedHTTPRequest sends an authenticated HTTP request to bithumb
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func (b *Bithumb) SendAuthenticatedHTTPRequest(path string, params url.Values, result interface{}) error {
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if !b.AllowAuthenticatedRequest() {
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return fmt.Errorf(exchange.WarningAuthenticatedRequestWithoutCredentialsSet, b.Name)
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}
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if params == nil {
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params = url.Values{}
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}
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n := b.Requester.GetNonceMilli().String()
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params.Set("endpoint", path)
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payload := params.Encode()
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hmacPayload := path + string('\x00') + payload + string('\x00') + n
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hmac := crypto.GetHMAC(crypto.HashSHA512,
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[]byte(hmacPayload),
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[]byte(b.API.Credentials.Secret))
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hmacStr := crypto.HexEncodeToString(hmac)
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headers := make(map[string]string)
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headers["Api-Key"] = b.API.Credentials.Key
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headers["Api-Sign"] = crypto.Base64Encode([]byte(hmacStr))
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headers["Api-Nonce"] = n
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headers["Content-Type"] = "application/x-www-form-urlencoded"
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var intermediary json.RawMessage
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errCapture := struct {
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Status string `json:"status"`
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Message string `json:"message"`
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}{}
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err := b.SendPayload(context.Background(), &request.Item{
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Method: http.MethodPost,
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Path: b.API.Endpoints.URL + path,
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Headers: headers,
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Body: bytes.NewBufferString(payload),
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Result: &intermediary,
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AuthRequest: true,
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NonceEnabled: true,
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Verbose: b.Verbose,
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HTTPDebugging: b.HTTPDebugging,
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HTTPRecording: b.HTTPRecording,
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Endpoint: request.Auth})
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if err != nil {
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return err
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}
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err = json.Unmarshal(intermediary, &errCapture)
|
|
if err == nil {
|
|
if errCapture.Status != "" && errCapture.Status != noError {
|
|
return fmt.Errorf("sendAuthenticatedAPIRequest error code: %s message:%s",
|
|
errCapture.Status,
|
|
errCode[errCapture.Status])
|
|
}
|
|
}
|
|
|
|
return json.Unmarshal(intermediary, result)
|
|
}
|
|
|
|
// GetFee returns an estimate of fee based on type of transaction
|
|
func (b *Bithumb) GetFee(feeBuilder *exchange.FeeBuilder) (float64, error) {
|
|
var fee float64
|
|
|
|
switch feeBuilder.FeeType {
|
|
case exchange.CryptocurrencyTradeFee:
|
|
fee = calculateTradingFee(feeBuilder.PurchasePrice, feeBuilder.Amount)
|
|
case exchange.CyptocurrencyDepositFee:
|
|
fee = getDepositFee(feeBuilder.Pair.Base, feeBuilder.Amount)
|
|
case exchange.CryptocurrencyWithdrawalFee:
|
|
fee = getWithdrawalFee(feeBuilder.Pair.Base)
|
|
case exchange.InternationalBankWithdrawalFee:
|
|
fee = getWithdrawalFee(feeBuilder.FiatCurrency)
|
|
case exchange.OfflineTradeFee:
|
|
fee = calculateTradingFee(feeBuilder.PurchasePrice, feeBuilder.Amount)
|
|
}
|
|
if fee < 0 {
|
|
fee = 0
|
|
}
|
|
return fee, nil
|
|
}
|
|
|
|
// calculateTradingFee returns fee when performing a trade
|
|
func calculateTradingFee(purchasePrice, amount float64) float64 {
|
|
return 0.0025 * amount * purchasePrice
|
|
}
|
|
|
|
// getDepositFee returns fee on a currency when depositing small amounts to bithumb
|
|
func getDepositFee(c currency.Code, amount float64) float64 {
|
|
var fee float64
|
|
|
|
switch c {
|
|
case currency.BTC:
|
|
if amount <= 0.005 {
|
|
fee = 0.001
|
|
}
|
|
case currency.LTC:
|
|
if amount <= 0.3 {
|
|
fee = 0.01
|
|
}
|
|
case currency.DASH:
|
|
if amount <= 0.04 {
|
|
fee = 0.01
|
|
}
|
|
case currency.BCH:
|
|
if amount <= 0.03 {
|
|
fee = 0.001
|
|
}
|
|
case currency.ZEC:
|
|
if amount <= 0.02 {
|
|
fee = 0.001
|
|
}
|
|
case currency.BTG:
|
|
if amount <= 0.15 {
|
|
fee = 0.001
|
|
}
|
|
}
|
|
|
|
return fee
|
|
}
|
|
|
|
// getWithdrawalFee returns fee on a currency when withdrawing out of bithumb
|
|
func getWithdrawalFee(c currency.Code) float64 {
|
|
return WithdrawalFees[c]
|
|
}
|
|
|
|
var errCode = map[string]string{
|
|
"5100": "Bad Request",
|
|
"5200": "Not Member",
|
|
"5300": "Invalid Apikey",
|
|
"5302": "Method Not Allowed",
|
|
"5400": "Database Fail",
|
|
"5500": "Invalid Parameter",
|
|
"5600": "CUSTOM NOTICE (상황별 에러 메시지 출력) usually means transaction not allowed",
|
|
"5900": "Unknown Error",
|
|
}
|
|
|
|
// GetCandleStick returns candle stick data for requested pair
|
|
func (b *Bithumb) GetCandleStick(symbol, interval string) (resp OHLCVResponse, err error) {
|
|
path := b.API.Endpoints.URL + publicCandleStick + symbol + "/" + interval
|
|
err = b.SendHTTPRequest(path, &resp)
|
|
return
|
|
}
|