feat(): add simple localisation config

src/lib/BaseRestClient.ts

@@ -149,6 +149,15 @@ export abstract class BaseRestClient {
       },
     };
 
+    if (restClientOptions.localisation) {
+      if (!this.globalRequestOptions.headers) {
+        this.globalRequestOptions.headers = {};
+      }
+
+      this.globalRequestOptions.headers['Accept-Language'] =
+        restClientOptions.localisation;
+    }
+
     // If enabled, configure a https agent with keepAlive enabled
     if (this.options.keepAlive) {
       // For more advanced configuration, raise an issue on GitHub or use the "networkOptions"

src/lib/requestUtils.ts

@@ -44,6 +44,26 @@ export interface RestClientOptions {
     privateKey: string;
   };
 
+  /**
+   * https://docs.cdp.coinbase.com/coinbase-app/docs/localization
+   *
+   * The Coinbase App API supports localization for error messages and other strings.
+   * Localization is defined in each request with Accept-Language header.
+   *
+   * Accepted values are currently as below. Note: this may not work for all coinbase product groups.
+   */
+  localisation?:
+    | 'de'
+    | 'en'
+    | 'es'
+    | 'es-mx'
+    | 'fr'
+    | 'id'
+    | 'it'
+    | 'nl'
+    | 'pt'
+    | 'pt-br';
+
   /**
    * Enable keep alive for REST API requests (via axios).
    * See: https://github.com/tiagosiebler/bybit-api/issues/368