flesh it out further and add a console command and fix annoying bugs

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

lib/modules/fuzzer/index.js

@@ -5,53 +5,107 @@ const _ = require('underscore');
 
 // generates random inputs based on the inputs of an ABI
 class ContractFuzzer {
-	constructor(abi) {
-		this.abi = abi;
-	}
+  constructor(embark) {
+    //this.abi = abi;
+    this.embark = embark;
+    this.logger = embark.logger;
+    this.events = embark.events;
 
-	generateFuzz() {
-		this.abi.forEach((abiMethod) => {
-			let inputTypes = abiMethod.inputs.map(input => input.type);
-			let fuzzedInputType = _.reduce(inputTypes, decipherType, 0);
-		})
-	}
+    this.registerConsoleCommand();
+  }
 
-	getTypeFuzz(type) {
-		switch() {
-			case 'uintN' || 'intN':
-			
-			case 'bytesN':
-				return generateRandomStaticBytes(size);
-			case 'string' || 'bytes':
-				return generateRandomDynamicType()
-			case 'address':
-				return generateRandomAddress();
-			default:
-		}
-	}
+  generateFuzz(iterations, contract) {
+    let fuzz = [];
+    for (let i = 0; i < iterations; i++)  
+      contract.abiDefinition.forEach((abiMethod) => {
+          let inputTypes = abiMethod.inputs.map(input => input.type);
+          console.log("INPUT TYPES:", inputTypes);
+          let fuzzedInputs = _.map(inputTypes, this.getTypeFuzz.bind(this));
+          console.log("FUZZED INPUTS:", fuzzedInputs);
+          //fuzz.push(ethAbi.encodeFunctionCall(abiMethod, fuzzedInputs));
+          console.log("FUZZ SO FAR:", fuzz);
+      });
+    console.log("FUZZ:", fuzz);
+    return fuzz;
+  }
 
-	generateArrayOfType(length, type) {
-		var arr = [];
-		for (var i = 0; i < length; i++) {
-			arr.push(getTypeFuzz(type));
-		}
-		return arr;
-	}
+  getTypeFuzz(typeString) {
+    const self = this;
+    console.log("TYPE:", typeString);
+    // Group 0: uint256[3]
+    // Group 1: uint256
+    // Group 2: uint
+    // Group 3: 256
+    // Group 4: [3]
+    // Group 5: 3
+    let regexObj = typeString.match(/((bool|int|uint|bytes|string|address)([0-9]*)?)(\[([0-9]*)\])*$/);
+    console.log("ARRAY OBJ:", regexObj);
+    let type = regexObj[1];
+    let size = regexObj[3];
+    switch(true) {
+      case (regexObj[2] !== undefined):
+        let length = regexObj[5] === undefined ? self.generateRandomInt(256) : regexObj[5];
+        return self.generateArrayOfType(length, type)
+      case (/bool/).test(type):
+        return self.generateRandomBool();
+      case (/(int|uint)([0-9]*)?/).test(type):
+        return self.generateRandomInt(size);
+      case (/^bytes([0-9]{1,})/).test(type):
+        return self.generateRandomStaticBytes(size);
+      case (/(string|bytes)/).test(type):
+        return self.generateRandomDynamicType()
+      case (/address/).test(type):
+        return self.generateRandomAddress();
+      default:
+        throw new Error("Couldn't find proper ethereum abi type");
+    }
+  }
 
-	generateRandomDynamicType() {
-		return Math.random().toString(36).slice(2);
-	}
+  generateRandomBool() {
+    return _.sample([true, false]);
+  }
 
-	generateRandomStaticBytes(size) {
-		return utils.randomHex(size);
-	}
+  generateArrayOfType(length, type) {
+    var arr = [];
+    for (var i = 0; i < length; i++) {
+        arr.push(this.getTypeFuzz(type));
+    }
+    return arr;
+  }
 
-	generateRandomInt(size) {
-    	return utils.hexToNumber(utils.randomHex(size));
-  	}
+  generateRandomDynamicType() {
+    return Math.random().toString(36).slice(2);
+  }
 
-  	generateRandomAddress() {
-  		return utils.randomHex(20);
-  	}
+  generateRandomStaticBytes(size) {
+    return utils.randomHex(size);
+  }
 
-}
+  generateRandomInt(size) {
+    return utils.hexToNumber(utils.randomHex(size / 8));
+  }
+
+  generateRandomAddress() {
+    return utils.randomHex(20);
+  }
+
+  registerConsoleCommand() {
+    const self = this;
+    self.embark.registerConsoleCommand((cmd, _options) => {
+      let splitCmd = cmd.split(' ');
+      let cmdName = splitCmd[0];
+      let contractName = splitCmd[1];
+      let iterations = splitCmd[2] === undefined ? 1 : splitCmd[2];
+      if (cmdName === 'fuzz') {
+        self.events.request('contracts:contract', contractName, (contract) => {
+          self.logger.info("--  fuzzed vals for " + contractName);
+             this.generateFuzz(1, contract);
+        });
+        return "";
+        }
+        return false;
+    });
+  }
+}
+
+module.exports = ContractFuzzer;

lib/modules/profiler/index.js

@@ -37,7 +37,7 @@ class Profiler {
     return paramString;
   }
 
-  generateGasEstimation(method) {
+  /*generateGasEstimation(method) {
 
   }
 
@@ -46,7 +46,7 @@ class Profiler {
       case "uint256":
       case "uint"
     }
-  }
+  }*/
 
   registerConsoleCommand() {
     const self = this;