Squashed 'libjsqrc/ethereumjs/' changes from f1a5cf9..a0cfa3c

a0cfa3c version upgrade
e58e2f5 jsonrpc.js tests && jsonrpc response validation is more strict
45134de jsonrpc.js file && batch polling
f3ce1f0 simplified polling && jsonrpc payload creation
ddc1719 tests && fixes for utils methods
fdcc1af clearing tests
4a54b8c version upgrade 0.0.12

git-subtree-dir: libjsqrc/ethereumjs
git-subtree-split: a0cfa3ca21163f26f3f71a0e2ce0a1e617554c72

12 files changed, 777 insertions, 442 deletions

diff --git a/abi.parsers.js b/abi.inputParser.js
index 12bccf5a..12b73515 100644
--- a/abi.parsers.js
+++ b/abi.inputParser.js
@@ -423,443 +423,5 @@ describe('abi', function() {
         });
 
     });
-
-    describe('outputParser', function() {
-        it('should parse output string', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: "string" }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-            
-            // then
-            assert.equal(
-                parser.test("0x" + 
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
-                'hello'
-                );
-            assert.equal(
-                parser.test("0x" + 
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "776f726c64000000000000000000000000000000000000000000000000000000")[0], 
-                'world'
-                );
-
-        });
-
-        it('should parse output uint', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'uint' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(
-                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
-                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
-                );
-            assert.equal(
-                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
-                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
-                );
-        });
-        
-        it('should parse output uint256', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'uint256' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(
-                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
-                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
-                );
-            assert.equal(
-                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
-                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
-                );
-        });
-
-        it('should parse output uint128', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'uint128' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(
-                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
-                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
-                );
-            assert.equal(
-                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
-                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
-                );
-        });
-
-        it('should parse output int', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'int' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
-            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
-        });
-        
-        it('should parse output int256', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'int256' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
-            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
-        });
-
-        it('should parse output int128', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'int128' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
-            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
-            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
-        });
-
-        it('should parse output hash', function() {
-            
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'hash' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(
-                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
-                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
-                );
-        });
-        
-        it('should parse output hash256', function() {
-        
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'hash256' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(
-                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
-                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
-                );
-        });
-
-        it('should parse output hash160', function() {
-            
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'hash160' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(
-                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
-                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
-                );
-            // TODO shouldnt' the expected hash be shorter?
-        });
-
-        it('should parse output address', function() {
-            
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'address' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(
-                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
-                "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
-                );
-        });
-
-        it('should parse output bool', function() {
-            
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: 'bool' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], true);
-            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000000")[0], false);
-            
-
-        });
-
-        it('should parse output real', function() {
-            
-            // given
-            var d = clone(description); 
-
-            d[0].outputs = [
-                { type: 'real' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000100000000000000000000000000000000")[0], 1);
-            assert.equal(parser.test("0x0000000000000000000000000000000220000000000000000000000000000000")[0], 2.125); 
-            assert.equal(parser.test("0x0000000000000000000000000000000880000000000000000000000000000000")[0], 8.5); 
-            assert.equal(parser.test("0xffffffffffffffffffffffffffffffff00000000000000000000000000000000")[0], -1); 
-            
-        });
-
-        it('should parse output ureal', function() {
-
-            // given
-            var d = clone(description); 
-
-            d[0].outputs = [
-                { type: 'ureal' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x0000000000000000000000000000000100000000000000000000000000000000")[0], 1);
-            assert.equal(parser.test("0x0000000000000000000000000000000220000000000000000000000000000000")[0], 2.125); 
-            assert.equal(parser.test("0x0000000000000000000000000000000880000000000000000000000000000000")[0], 8.5); 
-
-        });
-        
-
-        it('should parse multiple output strings', function() {
-
-            // given
-            var d = clone(description);
-
-            d[0].outputs = [
-                { type: "string" },
-                { type: "string" }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(
-                parser.test("0x" +
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "68656c6c6f000000000000000000000000000000000000000000000000000000" + 
-                    "776f726c64000000000000000000000000000000000000000000000000000000")[0],
-                'hello'
-                );
-            assert.equal(
-                parser.test("0x" +
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "68656c6c6f000000000000000000000000000000000000000000000000000000" + 
-                    "776f726c64000000000000000000000000000000000000000000000000000000")[1],
-                'world'
-                );
-
-        });
-        
-        it('should use proper method name', function () {
-        
-            // given
-            var d = clone(description);
-            d[0].name = 'helloworld(int)';
-            d[0].outputs = [
-                { type: "int" }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.helloworld("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.helloworld['int']("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-
-        });
-
-
-        it('should parse multiple methods', function () {
-            
-            // given
-            var d =  [{
-                name: "test",
-                type: "function",
-                inputs: [{ type: "int" }],
-                outputs: [{ type: "int" }]
-            },{
-                name: "test2",
-                type: "function",
-                inputs: [{ type: "string" }],
-                outputs: [{ type: "string" }]
-            }];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            //then
-            assert.equal(parser.test("0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
-            assert.equal(parser.test2("0x" + 
-                    "0000000000000000000000000000000000000000000000000000000000000005" +
-                    "68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
-                "hello"
-                );
-
-        });
-
-        it('should parse output array', function () {
-            
-            // given
-            var d = clone(description);
-            d[0].outputs = [
-                { type: 'int[]' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x" +
-                    "0000000000000000000000000000000000000000000000000000000000000002" + 
-                    "0000000000000000000000000000000000000000000000000000000000000005" + 
-                    "0000000000000000000000000000000000000000000000000000000000000006")[0][0],
-                5
-                );
-            assert.equal(parser.test("0x" +
-                    "0000000000000000000000000000000000000000000000000000000000000002" + 
-                    "0000000000000000000000000000000000000000000000000000000000000005" + 
-                    "0000000000000000000000000000000000000000000000000000000000000006")[0][1],
-                6
-                );
-
-        });
-
-        it('should parse 0x value', function () {
-        
-            // given
-            var d = clone(description);
-            d[0].outputs = [
-                { type: 'int' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x")[0], 0);
-
-        });
-        
-        it('should parse 0x value', function () {
-        
-            // given
-            var d = clone(description);
-            d[0].outputs = [
-                { type: 'uint' }
-            ];
-
-            // when
-            var parser = abi.outputParser(d);
-
-            // then
-            assert.equal(parser.test("0x")[0], 0);
-
-        });
-
-    });
 });
 
diff --git a/abi.outputParser.js b/abi.outputParser.js
new file mode 100644
index 00000000..723c408f
--- /dev/null
+++ b/abi.outputParser.js
@@ -0,0 +1,461 @@
+var assert = require('assert');
+var BigNumber = require('bignumber.js');
+var abi = require('../lib/abi.js');
+var clone = function (object) { return JSON.parse(JSON.stringify(object)); };
+
+var description =  [{
+    "name": "test",
+    "type": "function",
+    "inputs": [{
+        "name": "a",
+        "type": "uint256"
+    }
+    ],
+    "outputs": [
+    {
+        "name": "d",
+        "type": "uint256"
+    }
+    ]
+}];
+
+describe('abi', function() {
+    describe('outputParser', function() {
+        it('should parse output string', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: "string" }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+            
+            // then
+            assert.equal(
+                parser.test("0x" + 
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
+                'hello'
+                );
+            assert.equal(
+                parser.test("0x" + 
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "776f726c64000000000000000000000000000000000000000000000000000000")[0], 
+                'world'
+                );
+
+        });
+
+        it('should parse output uint', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'uint' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(
+                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
+                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
+                );
+            assert.equal(
+                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
+                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
+                );
+        });
+        
+        it('should parse output uint256', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'uint256' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(
+                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
+                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
+                );
+            assert.equal(
+                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
+                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
+                );
+        });
+
+        it('should parse output uint128', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'uint128' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(
+                parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0].toString(10), 
+                new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).toString(10)
+                );
+            assert.equal(
+                parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0].toString(10), 
+                new BigNumber("fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0", 16).toString(10)
+                );
+        });
+
+        it('should parse output int', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'int' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
+            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
+        });
+        
+        it('should parse output int256', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'int256' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
+            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
+        });
+
+        it('should parse output int128', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'int128' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test("0x000000000000000000000000000000000000000000000000000000000000000a")[0], 10);
+            assert.equal(parser.test("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")[0], -1);
+            assert.equal(parser.test("0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0")[0], -16);
+        });
+
+        it('should parse output hash', function() {
+            
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'hash' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(
+                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
+                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
+                );
+        });
+        
+        it('should parse output hash256', function() {
+        
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'hash256' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(
+                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
+                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
+                );
+        });
+
+        it('should parse output hash160', function() {
+            
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'hash160' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(
+                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
+                "0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1"
+                );
+            // TODO shouldnt' the expected hash be shorter?
+        });
+
+        it('should parse output address', function() {
+            
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'address' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(
+                parser.test("0x000000000000000000000000407d73d8a49eeb85d32cf465507dd71d507100c1")[0],
+                "0x407d73d8a49eeb85d32cf465507dd71d507100c1"
+                );
+        });
+
+        it('should parse output bool', function() {
+            
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: 'bool' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000001")[0], true);
+            assert.equal(parser.test("0x0000000000000000000000000000000000000000000000000000000000000000")[0], false);
+            
+
+        });
+
+        it('should parse output real', function() {
+            
+            // given
+            var d = clone(description); 
+
+            d[0].outputs = [
+                { type: 'real' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000100000000000000000000000000000000")[0], 1);
+            assert.equal(parser.test("0x0000000000000000000000000000000220000000000000000000000000000000")[0], 2.125); 
+            assert.equal(parser.test("0x0000000000000000000000000000000880000000000000000000000000000000")[0], 8.5); 
+            assert.equal(parser.test("0xffffffffffffffffffffffffffffffff00000000000000000000000000000000")[0], -1); 
+            
+        });
+
+        it('should parse output ureal', function() {
+
+            // given
+            var d = clone(description); 
+
+            d[0].outputs = [
+                { type: 'ureal' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x0000000000000000000000000000000100000000000000000000000000000000")[0], 1);
+            assert.equal(parser.test("0x0000000000000000000000000000000220000000000000000000000000000000")[0], 2.125); 
+            assert.equal(parser.test("0x0000000000000000000000000000000880000000000000000000000000000000")[0], 8.5); 
+
+        });
+        
+
+        it('should parse multiple output strings', function() {
+
+            // given
+            var d = clone(description);
+
+            d[0].outputs = [
+                { type: "string" },
+                { type: "string" }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(
+                parser.test("0x" +
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "68656c6c6f000000000000000000000000000000000000000000000000000000" + 
+                    "776f726c64000000000000000000000000000000000000000000000000000000")[0],
+                'hello'
+                );
+            assert.equal(
+                parser.test("0x" +
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "68656c6c6f000000000000000000000000000000000000000000000000000000" + 
+                    "776f726c64000000000000000000000000000000000000000000000000000000")[1],
+                'world'
+                );
+
+        });
+        
+        it('should use proper method name', function () {
+        
+            // given
+            var d = clone(description);
+            d[0].name = 'helloworld(int)';
+            d[0].outputs = [
+                { type: "int" }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.helloworld("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.helloworld['int']("0x0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+
+        });
+
+
+        it('should parse multiple methods', function () {
+            
+            // given
+            var d =  [{
+                name: "test",
+                type: "function",
+                inputs: [{ type: "int" }],
+                outputs: [{ type: "int" }]
+            },{
+                name: "test2",
+                type: "function",
+                inputs: [{ type: "string" }],
+                outputs: [{ type: "string" }]
+            }];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            //then
+            assert.equal(parser.test("0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
+            assert.equal(parser.test2("0x" + 
+                    "0000000000000000000000000000000000000000000000000000000000000005" +
+                    "68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
+                "hello"
+                );
+
+        });
+
+        it('should parse output array', function () {
+            
+            // given
+            var d = clone(description);
+            d[0].outputs = [
+                { type: 'int[]' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x" +
+                    "0000000000000000000000000000000000000000000000000000000000000002" + 
+                    "0000000000000000000000000000000000000000000000000000000000000005" + 
+                    "0000000000000000000000000000000000000000000000000000000000000006")[0][0],
+                5
+                );
+            assert.equal(parser.test("0x" +
+                    "0000000000000000000000000000000000000000000000000000000000000002" + 
+                    "0000000000000000000000000000000000000000000000000000000000000005" + 
+                    "0000000000000000000000000000000000000000000000000000000000000006")[0][1],
+                6
+                );
+
+        });
+
+        it('should parse 0x value', function () {
+        
+            // given
+            var d = clone(description);
+            d[0].outputs = [
+                { type: 'int' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x")[0], 0);
+
+        });
+        
+        it('should parse 0x value', function () {
+        
+            // given
+            var d = clone(description);
+            d[0].outputs = [
+                { type: 'uint' }
+            ];
+
+            // when
+            var parser = abi.outputParser(d);
+
+            // then
+            assert.equal(parser.test("0x")[0], 0);
+
+        });
+
+    });
+});
+
diff --git a/db.methods.js b/db.methods.js
index 8f8f5409..2ad38457 100644
--- a/db.methods.js
+++ b/db.methods.js
@@ -1,7 +1,7 @@
 
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('db', function() {
diff --git a/eth.methods.js b/eth.methods.js
index 7a031c4c..8f10b441 100644
--- a/eth.methods.js
+++ b/eth.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('eth', function() {
diff --git a/jsonrpc.isValidResponse.js b/jsonrpc.isValidResponse.js
new file mode 100644
index 00000000..2fe20049
--- /dev/null
+++ b/jsonrpc.isValidResponse.js
@@ -0,0 +1,128 @@
+var assert = require('assert');
+var jsonrpc = require('../lib/jsonrpc');
+
+describe('jsonrpc', function () {
+    describe('isValidResponse', function () {
+        it('should validate basic jsonrpc response', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '2.0',
+                id: 1,
+                result: []
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, true);
+        });
+
+        it('should validate basic undefined response', function () {
+            
+            // given 
+            var response = undefined;
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+        
+        it('should validate jsonrpc response without jsonrpc field', function () {
+            
+            // given 
+            var response = {
+                id: 1,
+                result: []
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+        
+        it('should validate jsonrpc response with wrong jsonrpc version', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '1.0',
+                id: 1,
+                result: []
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+        
+        it('should validate jsonrpc response without id number', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '2.0',
+                result: []
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+
+        it('should validate jsonrpc response with wrong id field', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '2.0',
+                id: 'x',
+                result: []
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+
+        it('should validate jsonrpc response without result field', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '2.0',
+                id: 1
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, false);
+        });
+
+        it('should validate jsonrpc response with result field === false', function () {
+            
+            // given 
+            var response = {
+                jsonrpc: '2.0',
+                id: 1,
+                result: false 
+            };
+
+            // when
+            var valid = jsonrpc.isValidResponse(response);
+
+            // then
+            assert.equal(valid, true);
+        });
+
+    });
+});
diff --git a/jsonrpc.toBatchPayload.js b/jsonrpc.toBatchPayload.js
new file mode 100644
index 00000000..1c1aafeb
--- /dev/null
+++ b/jsonrpc.toBatchPayload.js
@@ -0,0 +1,47 @@
+var assert = require('assert');
+var jsonrpc = require('../lib/jsonrpc');
+
+describe('jsonrpc', function () {
+    describe('toBatchPayload', function () {
+        it('should create basic batch payload', function () {
+            
+            // given 
+            var messages = [{
+                method: 'helloworld'
+            }, {
+                method: 'test2',
+                params: [1]
+            }];
+
+            // when
+            var payload = jsonrpc.toBatchPayload(messages);
+
+            // then
+            assert.equal(payload instanceof Array, true);
+            assert.equal(payload.length, 2);
+            assert.equal(payload[0].jsonrpc, '2.0');
+            assert.equal(payload[1].jsonrpc, '2.0');
+            assert.equal(payload[0].method, 'helloworld');
+            assert.equal(payload[1].method, 'test2');
+            assert.equal(payload[0].params instanceof Array, true);
+            assert.equal(payload[1].params.length, 1);
+            assert.equal(payload[1].params[0], 1);
+            assert.equal(typeof payload[0].id, 'number');
+            assert.equal(typeof payload[1].id, 'number');
+            assert.equal(payload[0].id + 1, payload[1].id);
+        });
+        
+        it('should create batch payload for empty input array', function () {
+            
+            // given 
+            var messages = [];
+
+            // when
+            var payload = jsonrpc.toBatchPayload(messages);
+
+            // then
+            assert.equal(payload instanceof Array, true);
+            assert.equal(payload.length, 0);
+        });
+    });
+});
diff --git a/jsonrpc.toPayload.js b/jsonrpc.toPayload.js
new file mode 100644
index 00000000..6d6f003b
--- /dev/null
+++ b/jsonrpc.toPayload.js
@@ -0,0 +1,40 @@
+var assert = require('assert');
+var jsonrpc = require('../lib/jsonrpc');
+
+describe('jsonrpc', function () {
+    describe('toPayload', function () {
+        it('should create basic payload', function () {
+            
+            // given 
+            var method = 'helloworld';
+
+            // when
+            var payload = jsonrpc.toPayload(method);
+
+            // then
+            assert.equal(payload.jsonrpc, '2.0');
+            assert.equal(payload.method, method);
+            assert.equal(payload.params instanceof Array, true);
+            assert.equal(payload.params.length, 0);
+            assert.equal(typeof payload.id, 'number');
+        });
+        
+        it('should create payload with params', function () {
+            
+            // given 
+            var method = 'helloworld1';
+            var params = [123, 'test'];
+
+            // when
+            var payload = jsonrpc.toPayload(method, params);
+
+            // then
+            assert.equal(payload.jsonrpc, '2.0');
+            assert.equal(payload.method, method);
+            assert.equal(payload.params.length, 2);
+            assert.equal(payload.params[0], params[0]);
+            assert.equal(payload.params[1], params[1]);
+            assert.equal(typeof payload.id, 'number');
+        });
+    });
+});
diff --git a/shh.methods.js b/shh.methods.js
index fe2dae71..91ca3cab 100644
--- a/shh.methods.js
+++ b/shh.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('shh', function() {
diff --git a/utils.js b/test.utils.js
index 8a1e9a0b..8a1e9a0b 100644
--- a/utils.js
+++ b/test.utils.js
diff --git a/utils.extractDisplayName.js b/utils.extractDisplayName.js
new file mode 100644
index 00000000..148653ab
--- /dev/null
+++ b/utils.extractDisplayName.js
@@ -0,0 +1,42 @@
+var assert = require('assert');
+var utils = require('../lib/utils.js');
+
+describe('utils', function () {
+    describe('extractDisplayName', function () {
+        it('should extract display name from method with no params', function () {
+            
+            // given
+            var test = 'helloworld()'; 
+
+            // when
+            var displayName = utils.extractDisplayName(test);
+
+            // then
+            assert.equal(displayName, 'helloworld');
+        });
+        
+        it('should extract display name from method with one param' , function () {
+            
+            // given
+            var test = 'helloworld1(int)'; 
+
+            // when
+            var displayName = utils.extractDisplayName(test);
+
+            // then
+            assert.equal(displayName, 'helloworld1');
+        });
+        
+        it('should extract display name from method with two params' , function () {
+            
+            // given
+            var test = 'helloworld2(int,string)'; 
+
+            // when
+            var displayName = utils.extractDisplayName(test);
+
+            // then
+            assert.equal(displayName, 'helloworld2');
+        });
+    });
+});
diff --git a/utils.extractTypeName.js b/utils.extractTypeName.js
new file mode 100644
index 00000000..2b4bbe76
--- /dev/null
+++ b/utils.extractTypeName.js
@@ -0,0 +1,55 @@
+var assert = require('assert');
+var utils = require('../lib/utils.js');
+
+describe('utils', function () {
+    describe('extractTypeName', function () {
+        it('should extract type name from method with no params', function () {
+            
+            // given
+            var test = 'helloworld()';
+
+            // when
+            var typeName = utils.extractTypeName(test); 
+
+            // then
+            assert.equal(typeName, '');
+        });
+
+        it('should extract type name from method with one param', function () {
+            
+            // given
+            var test = 'helloworld1(int)';
+
+            // when
+            var typeName = utils.extractTypeName(test);
+
+            // then
+            assert.equal(typeName, 'int');
+        });
+        
+        it('should extract type name from method with two params', function () {
+            
+            // given
+            var test = 'helloworld2(int,string)';
+
+            // when
+            var typeName = utils.extractTypeName(test);
+
+            // then
+            assert.equal(typeName, 'int,string');
+        });
+        
+        it('should extract type name from method with spaces between params', function () {
+            
+            // given
+            var test = 'helloworld3(int, string)';
+
+            // when
+            var typeName = utils.extractTypeName(test);
+
+            // then
+            assert.equal(typeName, 'int,string');
+        });
+
+    });
+});
diff --git a/web3.methods.js b/web3.methods.js
index d08495dd..06de41da 100644
--- a/web3.methods.js
+++ b/web3.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     u.methodExists(web3, 'sha3');