Add requestTimeEpoch to requestContext

package.json

@@ -124,7 +124,8 @@
     "Alessandro Palumbo (https://github.com/apalumbo)",
     "Selcuk Cihan (https://github.com/selcukcihan)",
     "G Roques (https://github.com/gbroques)",
-    "Dustin Belliston (https://github.com/dwbelliston)"
+    "Dustin Belliston (https://github.com/dwbelliston)",
+    "kobanyan (https://github.com/kobanyan)"
   ],
   "dependencies": {
     "@hapi/boom": "^7.4.2",

src/createLambdaProxyContext.js

@@ -98,6 +98,7 @@ module.exports = function createLambdaProxyContext(request, options, stageVariab
       protocol: 'HTTP/1.1',
       resourcePath: request.route.path,
       httpMethod: request.method.toUpperCase(),
+      requestTimeEpoch: request.info.received,
     },
     resource: request.route.path,
     httpMethod: request.method.toUpperCase(),

test/support/RequestBuilder.js

@@ -14,6 +14,7 @@ module.exports = class RequestBuilder {
       rawPayload: null,
       info: {
         remoteAddress: '127.0.0.1',
+        received: 1,
       },
     };
   }

test/unit/createLambdaProxyContextTest.js

@@ -18,6 +18,7 @@ describe('createLambdaProxyContext', () => {
     expect(requestContext.identity.userArn).to.eq('offlineContext_userArn');
     expect(requestContext.identity.user).to.eq('offlineContext_user');
     expect(requestContext.authorizer.principalId).to.eq('offlineContext_authorizer_principalId');
+    expect(requestContext.requestTimeEpoch).to.eq(1);
   };
 
   const stageVariables = {};