Merge pull request #18735 from carlosmiei/kucoinfutures-setleverage

feat(krakenfutures): add setLeverage and fetchLeverage

ts/src/krakenfutures.ts

@@ -50,6 +50,7 @@ export default class krakenfutures extends Exchange {
                 'fetchIndexOHLCV': false,
                 'fetchIsolatedPositions': false,
                 'fetchLeverageTiers': true,
+                'fetchLeverage': true,
                 'fetchMarketLeverageTiers': 'emulated',
                 'fetchMarkets': true,
                 'fetchMarkOHLCV': true,
@@ -63,7 +64,7 @@ export default class krakenfutures extends Exchange {
                 'fetchPremiumIndexOHLCV': false,
                 'fetchTickers': true,
                 'fetchTrades': true,
-                'setLeverage': false,
+                'setLeverage': true,
                 'setMarginMode': false,
                 'transfer': true,
             },
@@ -108,6 +109,8 @@ export default class krakenfutures extends Exchange {
                         'recentorders',
                         'fills',
                         'transfers',
+                        'leveragepreferences',
+                        'pnlpreferences',
                     ],
                     'post': [
                         'sendorder',
@@ -119,6 +122,10 @@ export default class krakenfutures extends Exchange {
                         'cancelallordersafter',
                         'withdrawal',                              // for futures wallet -> kraken spot wallet
                     ],
+                    'put': [
+                        'leveragepreferences',
+                        'pnlpreferences',
+                    ],
                 },
                 'charts': {
                     'get': [
@@ -2048,6 +2055,54 @@ export default class krakenfutures extends Exchange {
         });
     }
 
+    async setLeverage (leverage, symbol: string = undefined, params = {}) {
+        /**
+         * @method
+         * @name krakenfutures#setLeverage
+         * @description set the level of leverage for a market
+         * @see https://docs.futures.kraken.com/#http-api-trading-v3-api-multi-collateral-set-the-leverage-setting-for-a-market
+         * @param {float} leverage the rate of leverage
+         * @param {string} symbol unified market symbol
+         * @param {object} [params] extra parameters specific to the delta api endpoint
+         * @returns {object} response from the exchange
+         */
+        this.checkRequiredSymbol ('setLeverage', symbol);
+        await this.loadMarkets ();
+        const request = {
+            'maxLeverage': leverage,
+            'symbol': this.marketId (symbol).toUpperCase (),
+        };
+        //
+        // { result: 'success', serverTime: '2023-08-01T09:40:32.345Z' }
+        //
+        return await this.privatePutLeveragepreferences (this.extend (request, params));
+    }
+
+    async fetchLeverage (symbol: string = undefined, params = {}) {
+        /**
+         * @method
+         * @name krakenfutures#fetchLeverage
+         * @description fetch the set leverage for a market
+         * @see https://docs.futures.kraken.com/#http-api-trading-v3-api-multi-collateral-get-the-leverage-setting-for-a-market
+         * @param {string} symbol unified market symbol
+         * @param {object} [params] extra parameters specific to the krakenfutures api endpoint
+         * @returns {object} a [leverage structure]{@link https://docs.ccxt.com/#/?id=leverage-structure}
+         */
+        this.checkRequiredSymbol ('fetchLeverage', symbol);
+        await this.loadMarkets ();
+        const request = {
+            'symbol': this.marketId (symbol).toUpperCase (),
+        };
+        //
+        //   {
+        //       result: 'success',
+        //       serverTime: '2023-08-01T09:54:08.900Z',
+        //       leveragePreferences: [ { symbol: 'PF_LTCUSD', maxLeverage: '5.00' } ]
+        //   }
+        //
+        return await this.privateGetLeveragepreferences (this.extend (request, params));
+    }
+
     handleErrors (code, reason, url, method, headers, body, response, requestHeaders, requestBody) {
         if (response === undefined) {
             return undefined;