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private_methods.go
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private_methods.go
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package rest
import (
"fmt"
"log"
"net/url"
"strconv"
"strings"
)
// GetAccountBalances - methods returns account balances
func (api *Kraken) GetAccountBalances() (BalanceResponse, error) {
response := BalanceResponse{}
if err := api.request("Balance", true, nil, &response); err != nil {
return response, err
}
return response, nil
}
// GetTradeBalance - returns tradable balances info
func (api *Kraken) GetTradeBalance(baseAsset string) (TradeBalanceResponse, error) {
data := url.Values{}
if baseAsset != "" {
data.Set("asset", baseAsset)
}
response := TradeBalanceResponse{}
if err := api.request("TradeBalance", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// GetOpenOrders - returns account open order
func (api *Kraken) GetOpenOrders(needTrades bool, userRef string) (OpenOrdersResponse, error) {
data := url.Values{}
if needTrades {
data.Set("trades", "true")
}
if userRef != "" {
data.Set("userref", userRef)
}
response := OpenOrdersResponse{}
if err := api.request("OpenOrders", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// GetClosedOrders - returns account closed order
func (api *Kraken) GetClosedOrders(needTrades bool, userRef string, start int64, end int64) (ClosedOrdersResponse, error) {
data := url.Values{}
if needTrades {
data.Set("trades", "true")
}
if userRef != "" {
data.Set("userref", userRef)
}
if start != 0 {
data.Set("start", strconv.FormatInt(start, 10))
}
if end != 0 {
data.Set("end", strconv.FormatInt(end, 10))
}
response := ClosedOrdersResponse{}
if err := api.request("ClosedOrders", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// QueryOrders - returns account's order by IDs
func (api *Kraken) QueryOrders(needTrades bool, userRef string, txIDs ...string) (map[string]OrderInfo, error) {
data := url.Values{}
if needTrades {
data.Set("trades", "true")
}
if userRef != "" {
data.Set("userref", userRef)
}
if len(txIDs) > 50 {
return nil, fmt.Errorf("Maximum count of requested orders is 50")
} else if len(txIDs) == 0 {
return nil, fmt.Errorf("txIDs is required")
} else {
data.Set("txid", strings.Join(txIDs, ","))
}
response := make(map[string]OrderInfo)
if err := api.request("QueryOrders", true, data, &response); err != nil {
return nil, err
}
return response, nil
}
// GetTradesHistory - returns account's trade history
func (api *Kraken) GetTradesHistory(tradeType string, needTrades bool, start int64, end int64) (TradesHistoryResponse, error) {
data := url.Values{
"type": {"all"},
}
if needTrades {
data.Set("trades", "true")
}
if tradeType != "" {
data.Set("type", tradeType)
}
if start != 0 {
data.Set("start", strconv.FormatInt(start, 10))
}
if end != 0 {
data.Set("end", strconv.FormatInt(end, 10))
}
response := TradesHistoryResponse{}
if err := api.request("TradesHistory", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// QueryTrades - returns trades by IDs
func (api *Kraken) QueryTrades(trades bool, txIDs ...string) (map[string]PrivateTrade, error) {
data := url.Values{}
if trades {
data.Set("trades", "true")
}
if len(txIDs) == 0 {
return nil, fmt.Errorf("txIDs is required")
}
data.Set("txid", strings.Join(txIDs, ","))
response := make(map[string]PrivateTrade)
if err := api.request("QueryTrades", true, data, &response); err != nil {
return nil, err
}
return response, nil
}
// GetOpenPositions - returns list of open positions
func (api *Kraken) GetOpenPositions(docalcs bool, txIDs ...string) (map[string]Position, error) {
data := url.Values{}
if docalcs {
data.Set("docalcs", "true")
}
if len(txIDs) == 0 {
return nil, fmt.Errorf("txIDs is required")
}
data.Set("txid", strings.Join(txIDs, ","))
response := make(map[string]Position)
if err := api.request("OpenPositions", true, data, &response); err != nil {
return nil, err
}
return response, nil
}
// GetLedgersInfo - returns ledgers info
func (api *Kraken) GetLedgersInfo(ledgerType string, start int64, end int64, assets ...string) (LedgerInfoResponse, error) {
response := LedgerInfoResponse{}
data := url.Values{}
if ledgerType != "" {
data.Set("type", LedgerTypeAll)
}
if start != 0 {
data.Set("start", strconv.FormatInt(start, 10))
}
if end != 0 {
data.Set("end", strconv.FormatInt(end, 10))
}
if len(assets) > 0 {
data.Set("assets", strings.Join(assets, ","))
}
if err := api.request("Ledgers", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// QueryLedgers - get ledgers by ID
func (api *Kraken) QueryLedgers(ledgerIds ...string) (map[string]Ledger, error) {
data := url.Values{}
if len(ledgerIds) == 0 {
return nil, fmt.Errorf("`ledgerIds` is required")
}
if len(ledgerIds) > 20 {
return nil, fmt.Errorf("Maximum count of requested ledgers is 20")
}
data.Set("id", strings.Join(ledgerIds, ","))
response := make(map[string]Ledger)
if err := api.request("QueryLedgers", true, data, &response); err != nil {
return nil, err
}
return response, nil
}
// GetTradeVolume - returns trade volumes
func (api *Kraken) GetTradeVolume(needFeeInfo bool, pairs ...string) (TradeVolumeResponse, error) {
response := TradeVolumeResponse{}
data := url.Values{}
if len(pairs) == 0 {
return response, fmt.Errorf("`pairs` is required")
}
if needFeeInfo {
data.Set("fee-info", "true")
}
data.Set("pair", strings.Join(pairs, ","))
if err := api.request("TradeVolume", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// AddOrder - method sends order to exchange
func (api *Kraken) AddOrder(pair string, side string, orderType string, volume float64, args map[string]interface{}) (AddOrderResponse, error) {
data := url.Values{
"pair": {pair},
"volume": {strconv.FormatFloat(volume, 'f', 8, 64)},
"type": {side},
"ordertype": {orderType},
}
for key, value := range args {
switch v := value.(type) {
case string:
data.Set(key, v)
case int64:
data.Set(key, strconv.FormatInt(v, 10))
case float64:
data.Set(key, strconv.FormatFloat(v, 'f', 8, 64))
case bool:
data.Set(key, strconv.FormatBool(v))
default:
log.Printf("[WARNING] Unknown value type %v for key %s", value, key)
}
}
response := AddOrderResponse{}
if err := api.request("AddOrder", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// Cancel - method cancels order
func (api *Kraken) Cancel(orderID string) (CancelResponse, error) {
data := url.Values{
"txid": {orderID},
}
response := CancelResponse{}
if err := api.request("CancelOrder", true, data, &response); err != nil {
return response, err
}
return response, nil
}
// GetWebSocketsToken - WebSockets authentication
func (api *Kraken) GetWebSocketsToken() (GetWebSocketTokenResponse, error) {
response := GetWebSocketTokenResponse{}
if err := api.request("GetWebSocketsToken", true, nil, &response); err != nil {
return response, err
}
return response, nil
}