Add a new request source type 'external-api:mobile'

lib/entities/request/index.ts

@@ -47,6 +47,7 @@ export enum RequestSource {
   UNISWAP_ANDROID = 'uniswap-android',
   UNISWAP_WEB = 'uniswap-web',
   EXTERNAL_API = 'external-api',
+  EXTERNAL_API_MOBILE = 'external-api:mobile',
 }
 
 export interface QuoteRequest {

test/unit/lib/handlers/quote/handler.test.ts

@@ -291,6 +291,10 @@ describe('QuoteHandler', () => {
           requestSource = quoteHandler.getQuoteRequestSource(headers);
           expect(requestSource).toBe(RequestSource.EXTERNAL_API);
 
+          headers = { 'x-request-source': 'external-api:mobile' };
+          requestSource = quoteHandler.getQuoteRequestSource(headers);
+          expect(requestSource).toBe(RequestSource.EXTERNAL_API_MOBILE);
+
           headers = { 'x-request-source': 'lonely-planet' };
           requestSource = quoteHandler.getQuoteRequestSource(headers);
           expect(requestSource).toBe(RequestSource.UNKNOWN);