profile me officer, here's a new module

Signed-off-by: VoR0220 <catalanor0220@gmail.com>

lib/contracts/deploy.js

@@ -16,6 +16,10 @@ class Deploy {
     this.chainConfig = options.chainConfig;
     this.plugins = options.plugins;
     this.gasLimit = options.gasLimit;
+    
+    this.events.setCommandHandler("contracts:contract", (contractName, cb) => {
+      cb(this.contractsManager.getContract(contractName));
+    });
   }
 
   initTracker(cb) {

lib/core/engine.js

@@ -187,6 +187,11 @@ class Engine {
     this.registerModule('vyper', {
       contractDirectories: self.config.contractDirectories
     });
+    this.registerModule('profiler', {
+      events: this.events,
+      logger: this.logger,
+      plugins: this.plugins,
+    });
 
     this.contractsManager = new ContractsManager({
       contractFiles: this.config.contractsFiles,

lib/modules/profiler/index.js

@@ -0,0 +1,56 @@
+const asciiTable = require('ascii-table');
+
+class Profiler {
+  constructor(embark ,options) {
+    this.embark = embark;
+    this.logger = embark.logger;
+    this.events = embark.events;
+    this.plugins = embark.plugins;
+
+    this.registerConsoleCommand();
+  }
+
+  profile(contractName, contract) {
+    const self = this;
+    let table = new asciiTable(contractName);
+    table.setHeading('Function', 'Payable', 'Mutability', 'Inputs', 'Outputs');
+    contract.abiDefinition.forEach((abiMethod) => {
+      switch(abiMethod.type) {
+        case "constructor": 
+          table.addRow("constructor", abiMethod.payable, abiMethod.stateMutability, this.formatParams(abiMethod.inputs), this.formatParams(abiMethod.outputs));
+          break;
+        default:
+          table.addRow(abiMethod.name, abiMethod.payable, abiMethod.stateMutability, this.formatParams(abiMethod.inputs), this.formatParams(abiMethod.outputs));
+      }
+    });
+    self.logger.info(table.toString());
+  }
+
+  formatParams(params) {
+    if (undefined !== params && params.length) {
+      let paramString = "(";
+      let mappedParams = params.map(param => param.type);
+      paramString += mappedParams.join(',')
+      paramString += ")";
+      return paramString;
+    }
+    return "()";
+  }
+
+  registerConsoleCommand() {
+    const self = this;
+    self.embark.registerConsoleCommand((cmd, _options) => {
+      let cmdName = cmd.split(' ')[0];
+      let contractName = cmd.split(' ')[1];
+      if (cmdName === 'profile') {
+          self.events.request('contracts:contract', contractName, (contract) => {
+               self.logger.info("--  profile for " + contractName);
+               this.profile(contractName, contract);
+          });
+          return "profiled..."
+      }
+    });
+  }
+}
+
+module.exports = Profiler;