support mediaType in request

ecosystem/typescript/sdk/CHANGELOG.md

@@ -4,6 +4,8 @@ All notable changes to the Aptos Node SDK will be captured in this file. This ch
 
 ## Unreleased
 
+- Support `contentType` in request so custom headers would not override required headers
+
 ## 1.13.0 (2023-07-05)
 
 - Use client that is not generated by openAPI

ecosystem/typescript/sdk/src/client/core.ts

@@ -26,12 +26,14 @@ async function axiosRequest<Request, Response>(
   url: string,
   method: "GET" | "POST",
   body?: Request,
+  contentType?: string,
   params?: Record<string, string | AnyNumber | boolean | undefined>,
   overrides?: ClientConfig,
 ): Promise<AxiosResponse<Response>> {
   const headers: Record<string, string | number | boolean> = {
     ...overrides?.HEADERS,
     "x-aptos-client": `aptos-ts-sdk/${VERSION}`,
+    "content-type": contentType ?? "application/json",
   };
 
   if (overrides?.TOKEN) {
@@ -66,9 +68,9 @@ async function axiosRequest<Request, Response>(
  * @returns the response or AptosApiError
  */
 export async function aptosRequest<Req, Res>(options: AptosRequest): Promise<AptosResponse<Req, Res>> {
-  const { url, endpoint, method, body, params, overrides } = options;
+  const { url, endpoint, method, body, contentType, params, overrides } = options;
   const fullEndpoint = `${url}/${endpoint ?? ""}`;
-  const response = await axiosRequest<Req, Res>(fullEndpoint, method, body, params, overrides);
+  const response = await axiosRequest<Req, Res>(fullEndpoint, method, body, contentType, params, overrides);
 
   const result: AptosResponse<Req, Res> = {
     status: response.status,

ecosystem/typescript/sdk/src/client/types.ts

@@ -14,11 +14,25 @@ export type ClientConfig = {
   WITH_CREDENTIALS?: boolean;
 };
 
+/**
+ * The API request type
+ *
+ * @param url - the url to make the request to, i.e https://fullnode.aptoslabs.devnet.com/v1
+ * @param method - the request method "GET" | "POST"
+ * @param endpoint (optional) - the endpoint to make the request to, i.e transactions
+ * @param body (optional) - the body of the request
+ * @param contentType (optional) - the content type to set the `content-type` header to,
+ * by default is set to `application/json`
+ * @param params (optional) - query params to add to the request
+ * @param originMethod (optional) - the local method the request came from
+ * @param overrides (optional) - a `ClientConfig` object type to override request data
+ */
 export type AptosRequest = {
   url: string;
   method: "GET" | "POST";
   endpoint?: string;
   body?: any;
+  contentType?: string;
   params?: Record<string, string | AnyNumber | boolean | undefined>;
   originMethod?: string;
   overrides?: ClientConfig;

ecosystem/typescript/sdk/src/providers/aptos_client.ts

@@ -457,7 +457,8 @@ export class AptosClient {
       body: signedTxn,
       endpoint: "transactions",
       originMethod: "submitSignedBCSTransaction",
-      overrides: { HEADERS: { "content-type": "application/x.aptos.signed_transaction+bcs" }, ...this.config },
+      contentType: "application/x.aptos.signed_transaction+bcs",
+      overrides: { ...this.config },
     });
     return data;
   }
@@ -495,7 +496,8 @@ export class AptosClient {
       endpoint: "transactions/simulate",
       params: queryParams,
       originMethod: "submitBCSSimulation",
-      overrides: { HEADERS: { "content-type": "application/x.aptos.signed_transaction+bcs" }, ...this.config },
+      contentType: "application/x.aptos.signed_transaction+bcs",
+      overrides: { ...this.config },
     });
     return data;
   }
@@ -735,7 +737,7 @@ export class AptosClient {
       endpoint: `tables/${handle}/item`,
       originMethod: "getTableItem",
       params: { ledger_version: query?.ledgerVersion?.toString() },
-      overrides: { HEADERS: { "content-type": "application/json" }, ...this.config },
+      overrides: { ...this.config },
     });
     return response.data;
   }
@@ -1056,7 +1058,7 @@ export class AptosClient {
       endpoint: "view",
       originMethod: "getTableItem",
       params: { ledger_version },
-      overrides: { HEADERS: { "content-type": "application/json" }, ...this.config },
+      overrides: { ...this.config },
     });
     return data;
   }