support embark blockchain without node modules

bin/embark

@@ -109,7 +109,11 @@ program.command('blockchain [env]').description('run blockchain').action(functio
     Embark.init()
     Embark.blockchainConfig.loadConfigFile(embarkConfig.blockchainConfig)
     Embark.contractsConfig.loadConfigFile(embarkConfig.contractsConfig)
-    Embark.startBlockchain(env);
+
+    //TODO: better with --exec, but need to fix console bug first
+    wrench.copyDirSyncRecursive(__dirname + "/../js", "/tmp", {forceDelete: true});
+
+    Embark.startBlockchain(env, true);
   }
 });
 

lib/blockchain.js

@@ -44,7 +44,7 @@ Blockchain.prototype.init_command = function() {
   return this.generate_basic_command() + "account new ";
 }
 
-Blockchain.prototype.run_command = function(address) {
+Blockchain.prototype.run_command = function(address, use_tmp) {
   var cmd = this.generate_basic_command();
   var config = this.config;
 
@@ -57,8 +57,13 @@ Blockchain.prototype.run_command = function(address) {
   }
 
   if (config.mine_when_needed) {
+    if (use_tmp) {
+      cmd += "js /tmp/mine.js";
+    }
+    else {
       cmd += "js node_modules/embark-framework/js/mine.js";
     }
+  }
 
   return cmd;
 }
@@ -84,10 +89,10 @@ Blockchain.prototype.get_address = function() {
   return address;
 }
 
-Blockchain.prototype.startChain = function() {
+Blockchain.prototype.startChain = function(use_tmp) {
   var address = this.get_address();
-  console.log("running: " + this.run_command(address));
-  exec(this.run_command(address));
+  console.log("running: " + this.run_command(address, use_tmp));
+  exec(this.run_command(address, use_tmp));
 }
 
 module.exports = Blockchain

lib/index.js

@@ -30,9 +30,9 @@ Embark = {
     return new Tests(this.contractsConfig, contractFiles);
   },
 
-  startBlockchain: function(env) {
+  startBlockchain: function(env, use_tmp) {
     var chain = new Blockchain(this.blockchainConfig.config(env));
-    chain.startChain();
+    chain.startChain(use_tmp);
   },
 
   deployContracts: function(env, contractFiles, destFile) {