Remove lodash

lib/modules/contracts_manager/index.js

@@ -1,7 +1,6 @@
 let toposort = require('toposort');
 let async = require('async');
 const cloneDeep = require('clone-deep');
-const _ = require('lodash');
 
 let utils = require('../../utils/utils.js');
 
@@ -179,7 +178,10 @@ class ContractsManager {
             return res.send({error: err.message});
           }
           // pick the compiled contracts that have been built
-          const builtContracts = _.pick(self.contracts, contractNames);
+          let builtContracts = {};
+          contractNames.forEach(function(key){
+            builtContracts[key] = self.contracts[key];
+          });
 
           // for each contract, deploy (in parallel)
           async.eachOf(builtContracts, (contract, contractName, next) => {