feat: implement switch margin mode #39

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

@@ -4,6 +4,10 @@ import { AccountInterface } from '@app/bingx/account/account.interface';
 import { BingxTradeOrderEndpoint } from '@app/bingx/endpoints/bingx-trade-order-endpoint';
 import { BingxCloseAllPositionsEndpoint } from '@app/bingx/endpoints/bingx-close-all-positions-endpoint';
 import { BingxCancelAllOrdersEndpoint } from '@app/bingx/endpoints/bingx-cancel-all-orders-endpoint';
+import {
+  BingxSwitchMarginModeEndpoint,
+  MarginType,
+} from '@app/bingx/endpoints/bingx-switch-margin-mode-endpoint';
 
 export class TradeService {
   constructor(private readonly requestExecutor: RequestExecutorInterface) {}
@@ -28,4 +32,14 @@ export class TradeService {
       new BingxCancelAllOrdersEndpoint(symbol, account),
     );
   }
+
+  public switchMarginMode(
+    symbol: string,
+    marginType: MarginType,
+    account: AccountInterface,
+  ) {
+    return this.requestExecutor.execute(
+      new BingxSwitchMarginModeEndpoint(symbol, marginType, account),
+    );
+  }
 }

src/bingx/endpoints/bingx-switch-margin-mode-endpoint.ts

@@ -0,0 +1,44 @@
+import {
+  AccountInterface,
+  DefaultSignatureParameters,
+  Endpoint,
+  EndpointInterface,
+  SignatureParametersInterface,
+} from '@app/bingx';
+
+export interface SwitchMarginModeResponse {
+  code: number;
+  msg: string;
+}
+
+export type MarginType = 'ISOLATED' | 'CROSSED';
+
+export class BingxSwitchMarginModeEndpoint
+  extends Endpoint
+  implements EndpointInterface<SwitchMarginModeResponse>
+{
+  public constructor(
+    private readonly symbol: string,
+    private readonly marginType: MarginType,
+    account: AccountInterface,
+  ) {
+    super(account);
+  }
+
+  method(): 'get' | 'post' | 'put' | 'patch' | 'delete' {
+    return 'post';
+  }
+
+  parameters(): SignatureParametersInterface {
+    return new DefaultSignatureParameters({
+      symbol: this.symbol,
+      marginType: this.marginType,
+    });
+  }
+
+  path(): string {
+    return '/openApi/swap/v2/trade/marginType';
+  }
+
+  readonly t!: SwitchMarginModeResponse;
+}