get blockchain object from event bus

lib/contracts/blockchain.js

@@ -24,6 +24,10 @@ class BlockchainConnector {
       cb(self.isWeb3Ready);
     });
 
+    self.events.setCommandHandler("blockchain:object", (cb) => {
+      cb(self);
+    });
+
     if (!this.web3) {
       this.initWeb3();
     } else {

lib/core/engine.js

@@ -206,7 +206,7 @@ class Engine {
       events: this.events
     });
 
-    this.registerModule('deployment', {blockchain: this.blockchain, plugins: this.plugins, onlyCompile: options.onlyCompile});
+    this.registerModule('deployment', {plugins: this.plugins, onlyCompile: options.onlyCompile});
 
     this.events.on('file-event', function (fileType) {
       clearTimeout(self.fileTimeout);
@@ -252,7 +252,7 @@ class Engine {
     });
 
     const Blockchain = require('../contracts/blockchain.js');
-    this.blockchain = new Blockchain({
+    (new Blockchain({
       contractsConfig: this.config.contractsConfig,
       blockchainConfig: this.config.blockchainConfig,
       events: this.events,
@@ -260,7 +260,7 @@ class Engine {
       isDev: this.isDev,
       locale: this.locale,
       web3: options.web3
-    });
+    })); /*eslint no-new: "off"*/
 
     this.registerModule('whisper');
   }

lib/modules/deployment/contract_deployer.js

@@ -6,7 +6,6 @@ class ContractDeployer {
   constructor(options) {
     const self = this;
 
-    this.blockchain = options.blockchain;
     this.logger = options.logger;
     this.events = options.events;
     this.plugins = options.plugins;
@@ -71,6 +70,13 @@ class ContractDeployer {
     }
 
     async.waterfall([
+      function requestBlockchainConnector(callback) {
+        self.events.request("blockchain:object", (blockchain) => {
+          self.blockchain = blockchain;
+          callback();
+        });
+      },
+
       function _determineArguments(next) {
         self.determineArguments(params || contract.args, contract, (err, realArgs) => {
           if (err) {

lib/modules/deployment/index.js

@@ -20,7 +20,6 @@ class DeployManager {
     this.onlyCompile = options.onlyCompile !== undefined ? options.onlyCompile : false;
 
     this.contractDeployer = new ContractDeployer({
-      blockchain: this.blockchain,
       logger: this.logger,
       events: this.events,
       plugins: this.plugins
@@ -89,6 +88,13 @@ class DeployManager {
     }
 
     async.waterfall([
+      function requestBlockchainConnector(callback) {
+        self.events.request("blockchain:object", (blockchain) => {
+          self.blockchain = blockchain;
+          callback();
+        });
+      },
+
       function buildContracts(callback) {
         self.events.request("contracts:build", self.deployOnlyOnConfig, (err) => {
           callback(err);