feat: implement switch margin mode #40

src/bingx-client/services/trade.service.ts

@@ -8,6 +8,8 @@ import {
   BingxSwitchMarginModeEndpoint,
   MarginType,
 } from '@app/bingx/endpoints/bingx-switch-margin-mode-endpoint';
+import { BingxSwitchLeverageEndpoint } from '@app/bingx/endpoints/bingx-switch-leverage-endpoint';
+import { OrderPositionSideEnum } from '@app/bingx';
 
 export class TradeService {
   constructor(private readonly requestExecutor: RequestExecutorInterface) {}
@@ -42,4 +44,15 @@ export class TradeService {
       new BingxSwitchMarginModeEndpoint(symbol, marginType, account),
     );
   }
+
+  public switchLeverage(
+    symbol: string,
+    leverage: number,
+    side: OrderPositionSideEnum,
+    account: AccountInterface,
+  ) {
+    return this.requestExecutor.execute(
+      new BingxSwitchLeverageEndpoint(symbol, leverage, side, account),
+    );
+  }
 }

src/bingx/endpoints/bingx-switch-leverage-endpoint.ts

@@ -0,0 +1,48 @@
+import {
+  AccountInterface,
+  DefaultSignatureParameters,
+  Endpoint,
+  EndpointInterface,
+  OrderPositionSideEnum,
+  SignatureParametersInterface,
+} from '@app/bingx';
+
+export interface SwitchLeverageResponse {}
+
+export interface SwitchLeverageInterface {
+  symbol: string;
+  leverage: number;
+  side: OrderPositionSideEnum;
+}
+
+export class BingxSwitchLeverageEndpoint
+  extends Endpoint
+  implements EndpointInterface<SwitchLeverageResponse>
+{
+  constructor(
+    private readonly symbol: string,
+    private readonly leverage: number,
+    private readonly side: OrderPositionSideEnum,
+    readonly account: AccountInterface,
+  ) {
+    super(account);
+  }
+
+  method(): 'get' | 'post' | 'put' | 'patch' | 'delete' {
+    return 'post';
+  }
+
+  parameters(): SignatureParametersInterface {
+    return new DefaultSignatureParameters({
+      symbol: this.symbol,
+      leverage: this.leverage.toString(10),
+      side: this.side,
+    });
+  }
+
+  path(): string {
+    return '/openApi/swap/v2/trade/leverage';
+  }
+
+  readonly t!: SwitchLeverageResponse;
+}