template correction to check for development environment and whether metamask is engaged and log that it is

Signed-off-by: VoR0220 <catalanor0220@gmail.com>

lib/contracts/code_generator.js

@@ -27,6 +27,7 @@ class CodeGenerator {
     this.storageConfig = options.storageConfig || {};
     this.communicationConfig = options.communicationConfig || {};
     this.namesystemConfig = options.namesystemConfig || {};
+    this.env = options.env;
     // TODO: this should also be removed and use events instead
     this.contractsManager = options.contractsManager;
     this.plugins = options.plugins;
@@ -159,7 +160,11 @@ class CodeGenerator {
         web3Load = Templates.define_web3_simple({url: connection, done: 'done();'});
       } else {
         let connectionList = "[" + this.contractsConfig.dappConnection.map((x) => '"' + x + '"').join(',') + "]";
-        web3Load = Templates.web3_connector({connectionList: connectionList, done: 'done();'});
+        if (self.env === 'development') {
+          web3Load = Templates.web3_connector({connectionList: connectionList, done: 'done();', warnAboutMetamask: true});
+        } else {
+          web3Load = Templates.web3_connector({connectionList: connectionList, done: 'done();'});
+        }
       }
 
       result += Templates.do_when_loaded({block: web3Load});

lib/contracts/code_templates/web3-connector.js.ejs

@@ -26,6 +26,11 @@ __reduce(<%- connectionList %>,function(prev, value, next) {
 }, function(err, _result) {
   __getAccounts(function(err, accounts) {
     web3.eth.defaultAccount = accounts[0];
+    <% if (warnAboutMetaMask) { %>
+      if (web3.eth.currentProvider.isMetamask === true) {
+        console.log("Note: Embark has detected you are in the development environment and using Metamask, please make it's connecting to your local node");
+      }
+    <% } %>
     <%- done  %>
   });
 });

lib/core/engine.js

@@ -175,7 +175,8 @@ class Engine {
       storageConfig: self.config.storageConfig,
       namesystemConfig: self.config.namesystemConfig,
       communicationConfig: self.config.communicationConfig,
-      events: self.events
+      events: self.events,
+      env: self.env
     });
     this.codeGenerator.listenToCommands();