remove web3 dependency from deploy tracker; use request instead to get block

lib/contracts/blockchain.js

@@ -13,7 +13,7 @@ class Blockchain {
       this.initWeb3();
     }
     this.registerServiceCheck();
-    this.registerAccountRequests();
+    this.registerRequests();
   }
 
   initWeb3() {
@@ -57,7 +57,7 @@ class Blockchain {
     });
   }
 
-  registerAccountRequests() {
+  registerRequests() {
     const self = this;
 
     this.events.setCommandHandler("blockchain:defaultAccount:get", function(cb) {
@@ -68,6 +68,11 @@ class Blockchain {
       self.setDefaultAccount(account);
       cb();
     });
+
+    this.events.setCommandHandler("blockchain:block:byNumber", function(blockNumber, cb) {
+      self.getBlock(blockNumber, cb);
+    });
+
   }
 
   defaultAccount() {

lib/contracts/deploy.js

@@ -26,7 +26,7 @@ class Deploy {
 
   initTracker(cb) {
     this.deployTracker = new DeployTracker({
-      logger: this.logger, chainConfig: this.chainConfig, blockchain: this.blockchain, env: this.env
+      logger: this.logger, chainConfig: this.chainConfig, env: this.env, events: this.events
     }, cb);
   }
 

lib/contracts/deploy_tracker.js

@@ -5,16 +5,16 @@ class DeployTracker {
   constructor(options, cb) {
     const self = this;
     this.logger = options.logger;
+    this.events = options.events;
     this.env = options.env;
     this.chainConfig = options.chainConfig;
-    this.blockchain = options.blockchain;
 
     if (this.chainConfig === false) {
       this.currentChain = {contracts: []};
       return cb();
     }
 
-    this.blockchain.getBlock(0, function(err, block) {
+    this.events.request("blockchain:block:byNumber", 0, function(_err, block) {
       let chainId = block.hash;
 
       if (self.chainConfig[chainId] === undefined) {
@@ -26,10 +26,6 @@ class DeployTracker {
       self.currentChain.name = self.env;
       cb();
     });
-
-    // TODO: add other params
-    //this.currentChain.networkId = "";
-    //this.currentChain.networkType = "custom"
   }
 
   loadConfig(config) {