add redeploy; don't reload compiler if it's already loaded

lib/contracts/compiler.js

@@ -71,11 +71,15 @@ Compiler.prototype.compile_solidity = function(contractFiles, cb) {
     },
     function loadCompiler(callback) {
       // TODO: there ino need to load this twice
-      self.logger.info("loading solc compiler..");
       solcW = new SolcW();
-      solcW.load_compiler(function(){
+      if (solcW.isCompilerLoaded()) {
         callback();
-      });
+      } else {
+        self.logger.info("loading solc compiler..");
+        solcW.load_compiler(function(){
+          callback();
+        });
+      }
     },
     function compileContracts(callback) {
       self.logger.info("compiling contracts...");

lib/contracts/solcW.js

@@ -1,20 +1,27 @@
 var solcProcess = require('child_process').fork(__dirname + '/solcP.js');
+var compilerLoaded = false;
 
 var SolcW = function() {
 };
 
 SolcW.prototype.load_compiler = function(done) {
-  solcProcess.on('message', function(msg) {
+  if (compilerLoaded) { done(); }
+  solcProcess.once('message', function(msg) {
     if (msg.result !== 'loadedCompiler') {
       return;
     }
+    compilerLoaded = true;
     done();
   });
   solcProcess.send({action: 'loadCompiler'});
 };
 
+SolcW.prototype.isCompilerLoaded = function() {
+  return (compilerLoaded === true);
+}
+
 SolcW.prototype.compile = function(obj, optimize, done) {
-  solcProcess.on('message', function(msg) {
+  solcProcess.once('message', function(msg) {
     if (msg.result !== 'compilation') {
       return;
     }

lib/core/core.js

@@ -0,0 +1,5 @@
+
+var Core = function() {};
+
+module.exports = Core;
+

lib/index.js

@@ -115,6 +115,7 @@ var Embark = {
         }
         callback();
       },
+
       // can be done in paralell
       function monitorServices(callback) {
         if (!options.useDashboard) {
@@ -132,18 +133,6 @@ var Embark = {
         callback();
       },
 
-      function deploy(callback) {
-        var deployManager = new DeployManager({
-          config: Embark.config,
-          logger: Embark.logger,
-          plugins: self.plugins,
-          events: self.events
-        });
-        deployManager.deployContracts(function() {
-          callback();
-        });
-      },
-
 
       function buildPipeline(callback) {
         self.logger.setStatus("Building Assets");
@@ -160,29 +149,41 @@ var Embark = {
         callback();
       },
 
+      function deploy(callback) {
+        var deployManager = new DeployManager({
+          config: Embark.config,
+          logger: Embark.logger,
+          plugins: self.plugins,
+          events: self.events
+        });
+        deployManager.deployContracts(function() {
+          callback();
+        });
+
+        self.events.on('file-event', function(fileType, path) {
+          if (fileType === 'contract' || fileType === 'config') {
+            self.config.reloadConfig();
+            deployManager.deployContracts(function() {});
+          }
+        });
+        self.events.on('file-event', function(fileType, path) {
+          if (fileType === 'asset') {
+            // TODO: can just rebuild pipeline, no need to deploy contracts
+            // again
+            self.config.reloadConfig();
+            deployManager.deployContracts(function() {});
+          }
+        });
+      },
+
       function watchFilesForChanges(callback) {
         self.logger.setStatus("Watching for changes");
         var watch = new Watch({logger: self.logger, events: self.events});
         watch.start();
-        self.events.on('file-event', function(fileType, path) {
-          if (fileType === 'contract' || fileType === 'config') {
-            self.logger.info("received redeploy event");
-            //Embark.redeploy();
-          }
-        });
-        self.events.on('rebuildAssets', function(fileType, path) {
-          if (fileType === 'asset') {
-            self.logger.info("received rebuildAssets event");
-            // TODO: can just rebuild pipeline, no need to deploy contracts
-            // again
-            //Embark.redeploy();
-          }
-        });
         callback();
       },
 
 
-
       function startAssetServer(callback) {
         if (!options.runWebserver) {
           return callback();

test_app/app/contracts/token.sol

@@ -9,6 +9,7 @@ contract Token {
   mapping( address => uint ) _balances;
   mapping( address => mapping( address => uint ) ) _approvals;
   uint public _supply;
+  //uint public _supply2;
   function Token( uint initial_balance ) {
     _balances[msg.sender] = initial_balance;
     _supply = initial_balance;