fix callbacks in gas estimator, add more fallback support and clean up console logs to better display potential errors

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

lib/modules/fuzzer/index.js

@@ -17,7 +17,7 @@ class ContractFuzzer {
   generateFuzz(iterations, contract) {
     const self = this;
     let fuzzMap = {};
-    contract.abiDefinition.filter((x) => x.inputs && x.inputs.length != 0).forEach((abiMethod) => {
+    contract.abiDefinition.filter((x) => x.inputs && x.inputs.length != 0 && x.type != "event").forEach((abiMethod) => {
       let name = abiMethod.type === "constructor" ? "constructor" : abiMethod.name;
       let inputTypes = abiMethod.inputs.map(input => input.type);
       fuzzMap[name] = {};

lib/modules/gasEstimator/index.js

@@ -20,41 +20,42 @@ class GasEstimator {
       let fuzzMap = self.fuzzer.generateFuzz(3, contract);
       self.logger.info("--  Beginning gastimation for contract -- " + contractName);
       let contractObj = new web3.eth.Contract(contract.abiDefinition, contract.deployedAddress);
-      async.each(contract.abiDefinition, 
+      async.each(contract.abiDefinition.filter((x) => x.type !== "event"), 
         (abiMethod, gasCb) => {
           let name = abiMethod.name;
-          console.log("NAME: ", name);
-          console.log("ABI INPUTS: ", abiMethod.inputs);
           if (abiMethod.type === "constructor") {
             // already provided for us
-            gasCb(null, 'constructor', contract.gasEstimates.creation.totalCost.toString());
+            gasMap['constructor'] = contract.gasEstimates.creation.totalCost.toString();
+            gasCb(null);
           } else if (abiMethod.type === "fallback") {
-            gasCb(null, 'fallback', contract.gasEstimates.external[""].toString());
+            gasMap['fallback'] = contract.gasEstimates.external[""].toString();
+            gasCb(null);
           } else if (abiMethod.inputs === null || abiMethod.inputs === undefined || abiMethod.inputs.length === 0) {
-            console.log("Are we hitting here");
             // just run it and register it
             contractObj.methods[name]
             .apply(contractObj.methods[name], [])
             .estimateGas((err, gasAmount) => {
-              if (err) gasCb(err);
+              if (err) {
+                return gasCb(err);
+              } else {
                 gasMap[name] = gasAmount;
-              gasCb(err, gasAmount, name);
+                gasCb(null, gasAmount, name);
+              }              
             });
           } else {
             // async concatenate all the fuzz values and their gas cost outputs and check for equality
             async.concat(fuzzMap[name], (values, getVarianceCb) => {
-              contractObj.methods[name]
+              contractObj.methods[name].apply(contractObj.methods[name], values)
-                .apply(contractObj.methods[name], values)
                 .estimateGas((err, gasAmount) => {
                   getVarianceCb(err, [gasAmount]);
                 });
               }, (err, variance) => {
                 if (err) {
-                  gasCb(err);
+                  return gasCb(err);
                 } else if (_.isEqual(variance[0], variance[1]) && _.isEqual(variance[1], variance[2])) {
                   gasMap[name] = variance[0];
                 } else {
-                  gasMap[name] = 'variable';
+                  gasMap[name] = 'infinite';
                 }
                 gasCb();
               });    

lib/modules/profiler/index.js

@@ -11,18 +11,24 @@ class Profiler {
     this.registerConsoleCommand();
   }
 
-  profile(contractName, contract) {
+  profile(contractName, contract, cb) {
     const self = this;
     let table = new asciiTable(contractName);
     table.setHeading('Function', 'Payable', 'Mutability', 'Inputs', 'Outputs', 'Gas Estimates');
     self.gasEstimator.estimateGas(contractName, function(err, gastimates) {
-      if (err) throw new Error(err);
+      if (err) {
+        self.logger.error(err);
+        return;
+      }
       contract.abiDefinition.forEach((abiMethod) => {
         console.log("Abi Method Gastimate: ", gastimates[abiMethod.name]);
         switch(abiMethod.type) {
           case "constructor": 
             table.addRow("constructor", abiMethod.payable, abiMethod.stateMutability, self.formatParams(abiMethod.inputs), self.formatParams(abiMethod.outputs), gastimates['constructor']);
             break;
+          case "fallback":
+            table.addRow("fallback", abiMethod.payable, abiMethod.stateMutability, self.formatParams(abiMethod.inputs), self.formatParams(abiMethod.outputs), gastimates['fallback']);
+            break;
           default:
             table.addRow(abiMethod.name, abiMethod.payable, abiMethod.stateMutability, self.formatParams(abiMethod.inputs), self.formatParams(abiMethod.outputs), gastimates[abiMethod.name]);
         }