From 8e89b6938e3a168aea2ab4a1657c640e0c6967a8 Mon Sep 17 00:00:00 2001
From: "ilinikh.a1" <ilinikh.a@n-t.io>
Date: Fri, 13 Oct 2023 04:43:22 +0600
Subject: [PATCH 1/2] feat: implement switch margin mode #40

---
 src/bingx-client/services/trade.service.ts    | 13 +++++
 .../account/default-signature-parameters.ts   |  2 +-
 .../bingx-switch-leverage-endpoint.ts         | 48 +++++++++++++++++++
 3 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 src/bingx/endpoints/bingx-switch-leverage-endpoint.ts

diff --git a/src/bingx-client/services/trade.service.ts b/src/bingx-client/services/trade.service.ts
index ff8bdac..b915f20 100644
--- a/src/bingx-client/services/trade.service.ts
+++ b/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),
+    );
+  }
 }
diff --git a/src/bingx/account/default-signature-parameters.ts b/src/bingx/account/default-signature-parameters.ts
index 6a553ff..14c9fc2 100644
--- a/src/bingx/account/default-signature-parameters.ts
+++ b/src/bingx/account/default-signature-parameters.ts
@@ -5,7 +5,7 @@ export class DefaultSignatureParameters
 {
   constructor(
     private readonly parameters:
-      | Record<string, string>
+      | Record<string, string | number>
       | string
       | URLSearchParams = {},
     private readonly overrideTimestamp: number = Date.now(),
diff --git a/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts b/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts
new file mode 100644
index 0000000..474197b
--- /dev/null
+++ b/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,
+      side: this.side,
+    });
+  }
+
+  path(): string {
+    return '/openApi/swap/v2/trade/leverage';
+  }
+
+  readonly t!: SwitchLeverageResponse;
+}

From 65ab81d769870a73b1b59d4928dc8d2aea2c8d53 Mon Sep 17 00:00:00 2001
From: "ilinikh.a1" <ilinikh.a@n-t.io>
Date: Fri, 13 Oct 2023 04:44:30 +0600
Subject: [PATCH 2/2] feat: implement switch margin mode #40

---
 src/bingx/account/default-signature-parameters.ts     | 2 +-
 src/bingx/endpoints/bingx-switch-leverage-endpoint.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bingx/account/default-signature-parameters.ts b/src/bingx/account/default-signature-parameters.ts
index 14c9fc2..6a553ff 100644
--- a/src/bingx/account/default-signature-parameters.ts
+++ b/src/bingx/account/default-signature-parameters.ts
@@ -5,7 +5,7 @@ export class DefaultSignatureParameters
 {
   constructor(
     private readonly parameters:
-      | Record<string, string | number>
+      | Record<string, string>
       | string
       | URLSearchParams = {},
     private readonly overrideTimestamp: number = Date.now(),
diff --git a/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts b/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts
index 474197b..f39e8a5 100644
--- a/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts
+++ b/src/bingx/endpoints/bingx-switch-leverage-endpoint.ts
@@ -35,7 +35,7 @@ export class BingxSwitchLeverageEndpoint
   parameters(): SignatureParametersInterface {
     return new DefaultSignatureParameters({
       symbol: this.symbol,
-      leverage: this.leverage,
+      leverage: this.leverage.toString(10),
       side: this.side,
     });
   }