From bd00f0d79010b5a85865ae8368085a1c7e91f220 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:23:48 +0800
Subject: [PATCH 01/23] .travis.yml

---
 .travis.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 15e6549..8384813 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,11 @@ language: php
 php:
   - 7.1
 
+before_install:
+  - nvm install 8
+
 install:
+  - npm install -g ganache-cli
   - composer install
 
 notifications:
@@ -14,7 +18,7 @@ notifications:
     on_failure: always
 
 script:
-  -  vendor/bin/phpunit --coverage-clover=coverage.xml
+  - ganache-cli > /dev/null & vendor/bin/phpunit --coverage-clover=coverage.xml
 
 after_success:
     - bash <(curl -s https://codecov.io/bash) -t 8436848f-9a99-4b49-be60-629d7ff9a62c
\ No newline at end of file

From 7b5543138b2217f4dafa75894983c0b2d743176e Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:40:13 +0800
Subject: [PATCH 02/23] Change host.

---
 test/TestCase.php          | 9 ++++++++-
 test/unit/ContractTest.php | 1 -
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/test/TestCase.php b/test/TestCase.php
index ed6e437..780e377 100644
--- a/test/TestCase.php
+++ b/test/TestCase.php
@@ -21,6 +21,13 @@ class TestCase extends BaseTestCase
      */
     protected $testRinkebyHost = 'https://rinkeby.infura.io/vuethexplore';
 
+    /**
+     * testHost
+     * 
+     * @var string
+     */
+    protected $testHost = 'http://localhost:8545';
+
     /**
      * setUp
      * 
@@ -28,7 +35,7 @@ class TestCase extends BaseTestCase
      */
     public function setUp()
     {
-        $web3 = new Web3($this->testRinkebyHost);
+        $web3 = new Web3($this->testHost);
         $this->web3 = $web3;
     }
 
diff --git a/test/unit/ContractTest.php b/test/unit/ContractTest.php
index 4f24078..538a97b 100644
--- a/test/unit/ContractTest.php
+++ b/test/unit/ContractTest.php
@@ -304,7 +304,6 @@ class ContractTest extends TestCase
     {
         parent::setUp();
 
-        // $this->contract = new Contract('http://localhost:8545', $this->testAbi);
         $this->contract = new Contract($this->web3->provider, $this->testAbi);
         $this->contract->eth->accounts(function ($err, $accounts) {
             if ($err === null) {

From 04c5ac24f686acb9e11574c69daa0bf244a36c0e Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:42:43 +0800
Subject: [PATCH 03/23] Eth hashrate output formatter.

---
 src/Methods/Eth/Hashrate.php | 5 ++++-
 test/unit/EthApiTest.php     | 9 ++++-----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/Methods/Eth/Hashrate.php b/src/Methods/Eth/Hashrate.php
index a08d6ab..478f7f5 100644
--- a/src/Methods/Eth/Hashrate.php
+++ b/src/Methods/Eth/Hashrate.php
@@ -13,6 +13,7 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Formatters\BigNumberFormatter;
 
 class Hashrate extends EthMethod
 {
@@ -35,7 +36,9 @@ class Hashrate extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 8c1ee63..2ea2c5b 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -73,10 +73,9 @@ class EthApiTest extends TestCase
 
         $eth->coinbase(function ($err, $coinbase) {
             if ($err !== null) {
-                // infura banned us to use coinbase
-                return $this->assertTrue($err->getCode() === 405);
+                return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($coinbass));
+            $this->assertEquals($coinbase, '0x561a2aa10f9a8589c93665554c871106342f70af');
         });
     }
 
@@ -93,7 +92,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue($mining !== null);
+            $this->assertTrue($mining);
         });
     }
 
@@ -110,7 +109,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($hashrate));
+            $this->assertEquals($hashrate->toString(), '0');
         });
     }
 

From 828f554eb68d10f4b2a1ad8feb2fd673131cf4a5 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:45:20 +0800
Subject: [PATCH 04/23] Eth gasPrice output formatter.

---
 src/Methods/Eth/GasPrice.php | 5 ++++-
 test/unit/EthApiTest.php     | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GasPrice.php b/src/Methods/Eth/GasPrice.php
index 8bef5d4..9218cc1 100644
--- a/src/Methods/Eth/GasPrice.php
+++ b/src/Methods/Eth/GasPrice.php
@@ -13,6 +13,7 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Formatters\BigNumberFormatter;
 
 class GasPrice extends EthMethod
 {
@@ -35,7 +36,9 @@ class GasPrice extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 2ea2c5b..b7c3959 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -126,7 +126,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($gasPrice));
+            $this->assertTrue(is_numeric($gasPrice->toString()));
         });
     }
 

From 9aec83ed6ce347d31ec5811b2174a8ad09f798db Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:46:39 +0800
Subject: [PATCH 05/23] Eth blockNumber output formatter.

---
 src/Methods/Eth/BlockNumber.php | 5 ++++-
 test/unit/EthApiTest.php        | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/BlockNumber.php b/src/Methods/Eth/BlockNumber.php
index f402239..7d6d33c 100644
--- a/src/Methods/Eth/BlockNumber.php
+++ b/src/Methods/Eth/BlockNumber.php
@@ -13,6 +13,7 @@ namespace Web3\Methods\Eth;
 
 use InvalidArgumentException;
 use Web3\Methods\EthMethod;
+use Web3\Formatters\BigNumberFormatter;
 
 class BlockNumber extends EthMethod
 {
@@ -35,7 +36,9 @@ class BlockNumber extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index b7c3959..7f30819 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -160,7 +160,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($blockNumber));
+            $this->assertTrue(is_numeric($blockNumber->toString()));
         });
     }
 

From 52c1774c9c05b7c595aad9f2175a59ce78e0f56b Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:48:15 +0800
Subject: [PATCH 06/23] Eth getBalance output formatter.

---
 src/Methods/Eth/GetBalance.php | 5 ++++-
 test/unit/EthApiTest.php       | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GetBalance.php b/src/Methods/Eth/GetBalance.php
index 793dad4..007e97b 100644
--- a/src/Methods/Eth/GetBalance.php
+++ b/src/Methods/Eth/GetBalance.php
@@ -18,6 +18,7 @@ use Web3\Validators\QuantityValidator;
 use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetBalance extends EthMethod
 {
@@ -46,7 +47,9 @@ class GetBalance extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 7f30819..a017c3b 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -177,7 +177,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($balance));
+            $this->assertTrue(is_numeric($balance->toString()));
         });
     }
 

From b575e68a69cb3c1e8cbb45316e1f89ac02ab18dc Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:51:27 +0800
Subject: [PATCH 07/23] Eth getTransactionCount output formatter.

---
 src/Methods/Eth/GetTransactionCount.php | 5 ++++-
 test/unit/EthApiTest.php                | 6 +++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/Methods/Eth/GetTransactionCount.php b/src/Methods/Eth/GetTransactionCount.php
index 6c16d7c..468e078 100644
--- a/src/Methods/Eth/GetTransactionCount.php
+++ b/src/Methods/Eth/GetTransactionCount.php
@@ -18,6 +18,7 @@ use Web3\Validators\QuantityValidator;
 use Web3\Validators\AddressValidator;
 use Web3\Formatters\AddressFormatter;
 use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetTransactionCount extends EthMethod
 {
@@ -46,7 +47,9 @@ class GetTransactionCount extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index a017c3b..ad8cd81 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -190,7 +190,7 @@ class EthApiTest extends TestCase
     {
         $eth = $this->eth;
 
-        $eth->getStorageAt('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '0x0', function ($err, $storage) {
+        $eth->getStorageAt('0x561a2aa10f9a8589c93665554c871106342f70af', '0x0', function ($err, $storage) {
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
@@ -207,11 +207,11 @@ class EthApiTest extends TestCase
     {
         $eth = $this->eth;
 
-        $eth->getTransactionCount('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $transactionCount) {
+        $eth->getTransactionCount('0x561a2aa10f9a8589c93665554c871106342f70af', function ($err, $transactionCount) {
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertTrue(is_string($transactionCount));
+            $this->assertTrue(is_numeric($transactionCount->toString()));
         });
     }
 

From 3d8b0d32647748fa74f41519f3c6c464310bce8a Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:53:53 +0800
Subject: [PATCH 08/23] Eth getTransactionCountByHash output formatter.

---
 src/Methods/Eth/GetBlockTransactionCountByHash.php | 5 ++++-
 test/unit/EthApiTest.php                           | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GetBlockTransactionCountByHash.php b/src/Methods/Eth/GetBlockTransactionCountByHash.php
index 259e160..c8acb87 100644
--- a/src/Methods/Eth/GetBlockTransactionCountByHash.php
+++ b/src/Methods/Eth/GetBlockTransactionCountByHash.php
@@ -15,6 +15,7 @@ use InvalidArgumentException;
 use Web3\Methods\EthMethod;
 use Web3\Validators\BlockHashValidator;
 use Web3\Formatters\HexFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetBlockTransactionCountByHash extends EthMethod
 {
@@ -41,7 +42,9 @@ class GetBlockTransactionCountByHash extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BignumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index ad8cd81..aef886c 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -228,7 +228,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transactionCount));
+            $this->assertTrue(is_numeric($transactionCount->toString()));
         });
     }
 

From 808134f19f744679d24ad5fd23f719468e03b0e8 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:54:44 +0800
Subject: [PATCH 09/23] Eth getTransactionCountByNumber output formatter.

---
 src/Methods/Eth/GetBlockTransactionCountByNumber.php | 5 ++++-
 test/unit/EthApiTest.php                             | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GetBlockTransactionCountByNumber.php b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
index 064ff08..8b53e77 100644
--- a/src/Methods/Eth/GetBlockTransactionCountByNumber.php
+++ b/src/Methods/Eth/GetBlockTransactionCountByNumber.php
@@ -15,6 +15,7 @@ use InvalidArgumentException;
 use Web3\Methods\EthMethod;
 use Web3\Validators\QuantityValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetBlockTransactionCountByNumber extends EthMethod
 {
@@ -41,7 +42,9 @@ class GetBlockTransactionCountByNumber extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index aef886c..15c69cd 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -245,7 +245,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transactionCount));
+            $this->assertTrue(is_numeric($transactionCount->toString()));
         });
     }
 

From f8d005dae1033b2c4adbb0fe3e96f3bf8d39657d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:56:10 +0800
Subject: [PATCH 10/23] Eth getUncleCountByHash output formatter.

---
 src/Methods/Eth/GetUncleCountByBlockHash.php | 5 ++++-
 test/unit/EthApiTest.php                     | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GetUncleCountByBlockHash.php b/src/Methods/Eth/GetUncleCountByBlockHash.php
index 33da325..625635c 100644
--- a/src/Methods/Eth/GetUncleCountByBlockHash.php
+++ b/src/Methods/Eth/GetUncleCountByBlockHash.php
@@ -15,6 +15,7 @@ use InvalidArgumentException;
 use Web3\Methods\EthMethod;
 use Web3\Validators\BlockHashValidator;
 use Web3\Formatters\HexFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetUncleCountByBlockHash extends EthMethod
 {
@@ -41,7 +42,9 @@ class GetUncleCountByBlockHash extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 15c69cd..d1f67b2 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -262,7 +262,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($uncleCount));
+            $this->assertTrue(is_numeric($uncleCount->toString()));
         });
     }
 

From a413aa4da4a65a1ace8c5603a5177f14a0326ca3 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:57:21 +0800
Subject: [PATCH 11/23] Eth getUncleCountByBlockNumber output formatter.

---
 src/Methods/Eth/GetUncleCountByBlockNumber.php | 5 ++++-
 test/unit/EthApiTest.php                       | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Methods/Eth/GetUncleCountByBlockNumber.php b/src/Methods/Eth/GetUncleCountByBlockNumber.php
index 5cb5569..dc4ad9f 100644
--- a/src/Methods/Eth/GetUncleCountByBlockNumber.php
+++ b/src/Methods/Eth/GetUncleCountByBlockNumber.php
@@ -16,6 +16,7 @@ use Web3\Methods\EthMethod;
 use Web3\Validators\TagValidator;
 use Web3\Validators\QuantityValidator;
 use Web3\Formatters\OptionalQuantityFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class GetUncleCountByBlockNumber extends EthMethod
 {
@@ -44,7 +45,9 @@ class GetUncleCountByBlockNumber extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index d1f67b2..3e18852 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -279,7 +279,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($uncleCount));
+            $this->assertTrue(is_numeric($uncleCount->toString()));
         });
     }
 

From 5a9bd4f8c07dee6674cc6030ba58ad055524bd4d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:00:02 +0800
Subject: [PATCH 12/23] Eth api estimateGas unit test.

---
 test/unit/EthApiTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 3e18852..b961132 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -404,7 +404,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($gas));
+            $this->assertTrue(is_numeric($gas->toString()));
         });
     }
 

From ea150f79582086076d887b3695c75402b3e5c97a Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:01:55 +0800
Subject: [PATCH 13/23] Eth api getCompilers unit test.

---
 test/unit/EthApiTest.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index b961132..61f8ff6 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -421,7 +421,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($block));
+            $this->assertTrue($block !== null);
         });
     }
 
@@ -558,7 +558,8 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($compilers));
+            $this->assertTrue(is_array($compilers));
+            $this->assertEquals($compilers[0], 'solidity');
         });
     }
 

From a2d1ab535c46c784c215b7283c87e8ab4f9a3a81 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:03:18 +0800
Subject: [PATCH 14/23] Eth api uninstall unit test.

---
 test/unit/EthApiTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 61f8ff6..ab2f32b 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -687,7 +687,7 @@ class EthApiTest extends TestCase
                 // infura banned us to uninstall filter
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($filter));
+            $this->assertTrue(is_bool($filter));
         });
     }
 

From ad91024dfa5028f45cab5b2f0ea244b5f49d3205 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:06:26 +0800
Subject: [PATCH 15/23] Eth api getFilterChanges unit test.

---
 test/unit/EthApiTest.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index ab2f32b..8cac1c4 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -700,12 +700,12 @@ class EthApiTest extends TestCase
     {
         $eth = $this->eth;
 
-        $eth->getFilterChanges('0x01', function ($err, $filter) {
+        $eth->getFilterChanges('0x01', function ($err, $changes) {
             if ($err !== null) {
                 // infura banned us to get filter changes
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($filter));
+            $this->assertTrue(is_array($changes));
         });
     }
 

From 596a3599dec2c3e0174c546b053479c99db3e036 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:11:47 +0800
Subject: [PATCH 16/23] Personal api unlockAccount unit test.

---
 test/unit/PersonalApiTest.php | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/test/unit/PersonalApiTest.php b/test/unit/PersonalApiTest.php
index e9a449a..055bbf6 100644
--- a/test/unit/PersonalApiTest.php
+++ b/test/unit/PersonalApiTest.php
@@ -14,6 +14,13 @@ class PersonalApiTest extends TestCase
      */
     protected $personal;
 
+    /**
+     * newAccount
+     * 
+     * @var string
+     */
+    protected $newAccount;
+
     /**
      * setUp
      * 
@@ -55,8 +62,7 @@ class PersonalApiTest extends TestCase
 
         $personal->newAccount('123456', function ($err, $account) {
             if ($err !== null) {
-                // infura banned us to use new account
-                return $this->assertTrue($err->getCode() === 405);
+                return $this->fail($e->getMessage());
             }
             $this->assertTrue(is_string($account));
         });
@@ -71,12 +77,21 @@ class PersonalApiTest extends TestCase
     {
         $personal = $this->personal;
 
-        $personal->unlockAccount('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '123456', function ($err, $account) {
+        // create account
+        $personal->newAccount('123456', function ($err, $account) {
+            if ($err !== null) {
+                return $this->fail($e->getMessage());
+            }
+            $this->newAccount = $account;
+            $this->assertTrue(is_string($account));
+        });
+
+        $personal->unlockAccount($this->newAccount, '123456', function ($err, $unlocked) {
             if ($err !== null) {
                 // infura banned us to use unlock account
                 return $this->assertTrue($err->getCode() === 405);
             }
-            $this->assertTrue(is_bool($account));
+            $this->assertTrue($unlocked);
         });
     }
 

From 0a4060e6dd782fe3f66431d22df27e16de09cfe1 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:17:59 +0800
Subject: [PATCH 17/23] Unit test of eth apis.

---
 test/unit/EthApiTest.php | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index 8cac1c4..db8c094 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -456,7 +456,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transaction));
+            $this->assertTrue($transaction !== null);
         });
     }
 
@@ -473,7 +473,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transaction));
+            $this->assertTrue($transaction !== null);
         });
     }
 
@@ -490,7 +490,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transaction));
+            $this->assertTrue($transaction !== null);
         });
     }
 
@@ -507,7 +507,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($transaction));
+            $this->assertTrue($transaction !== null);
         });
     }
 
@@ -524,7 +524,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($uncle));
+            $this->assertTrue($uncle !== null);
         });
     }
 
@@ -541,7 +541,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->assertTrue($err !== null);
             }
-            $this->assertTrue(is_string($uncle));
+            $this->assertTrue($uncle !== null);
         });
     }
 

From 0e7155334356046fa233791d69715a88af7df4d3 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 16:49:50 +0800
Subject: [PATCH 18/23] Add coinbase and fix unit test of personal api.

---
 test/TestCase.php             | 14 +++++++++++++
 test/unit/EthApiTest.php      |  2 +-
 test/unit/PersonalApiTest.php | 38 ++++++++++++++++++++++++++---------
 3 files changed, 43 insertions(+), 11 deletions(-)

diff --git a/test/TestCase.php b/test/TestCase.php
index 780e377..51593d8 100644
--- a/test/TestCase.php
+++ b/test/TestCase.php
@@ -28,6 +28,13 @@ class TestCase extends BaseTestCase
      */
     protected $testHost = 'http://localhost:8545';
 
+    /**
+     * coinbase
+     * 
+     * @var string
+     */
+    protected $coinbase;
+
     /**
      * setUp
      * 
@@ -37,6 +44,13 @@ class TestCase extends BaseTestCase
     {
         $web3 = new Web3($this->testHost);
         $this->web3 = $web3;
+
+        $web3->eth->coinbase(function ($err, $coinbase) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            $this->coinbase = $coinbase;
+        });
     }
 
     /**
diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
index db8c094..0d4cc4b 100644
--- a/test/unit/EthApiTest.php
+++ b/test/unit/EthApiTest.php
@@ -75,7 +75,7 @@ class EthApiTest extends TestCase
             if ($err !== null) {
                 return $this->fail($err->getMessage());
             }
-            $this->assertEquals($coinbase, '0x561a2aa10f9a8589c93665554c871106342f70af');
+            $this->assertEquals($coinbase, $this->coinbase);
         });
     }
 
diff --git a/test/unit/PersonalApiTest.php b/test/unit/PersonalApiTest.php
index 055bbf6..9924b0a 100644
--- a/test/unit/PersonalApiTest.php
+++ b/test/unit/PersonalApiTest.php
@@ -104,19 +104,37 @@ class PersonalApiTest extends TestCase
     {
         $personal = $this->personal;
 
-        $personal->sendTransaction([
-            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
-            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
-            'gas' => "0x76c0",
-            'gasPrice' => "0x9184e72a000",
-            'value' => "0x9184e72a",
-            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
-        ], '123456', function ($err, $transaction) {
+        // create account
+        $personal->newAccount('123456', function ($err, $account) {
             if ($err !== null) {
-                // infura banned us to use send transaction
-                return $this->assertTrue($err->getCode() === 405);
+                return $this->fail($e->getMessage());
+            }
+            $this->newAccount = $account;
+            $this->assertTrue(is_string($account));
+        });
+
+        $this->web3->eth->sendTransaction([
+            'from' => $this->coinbase,
+            'to' => $this->newAccount,
+            'value' => '0xfffffffff',
+        ], function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
             }
             $this->assertTrue(is_string($transaction));
+            $this->assertTrue(mb_strlen($transaction) === 66);
+        });
+
+        $personal->sendTransaction([
+            'from' => $this->newAccount,
+            'to' => $this->coinbase,
+            'value' => '0x01',
+        ], '123456', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            $this->assertTrue(is_string($transaction));
+            $this->assertTrue(mb_strlen($transaction) === 66);
         });
     }
 

From d65e0acd17696749647b032db51c9690f3f6d390 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 17:03:13 +0800
Subject: [PATCH 19/23] test.sh

---
 .travis.yml     | 2 +-
 scripts/test.sh | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 scripts/test.sh

diff --git a/.travis.yml b/.travis.yml
index 8384813..5bb76f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,7 +18,7 @@ notifications:
     on_failure: always
 
 script:
-  - ganache-cli > /dev/null & vendor/bin/phpunit --coverage-clover=coverage.xml
+  - scripts/test.sh
 
 after_success:
     - bash <(curl -s https://codecov.io/bash) -t 8436848f-9a99-4b49-be60-629d7ff9a62c
\ No newline at end of file
diff --git a/scripts/test.sh b/scripts/test.sh
new file mode 100644
index 0000000..caab94b
--- /dev/null
+++ b/scripts/test.sh
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+ganache-cli -g 0 -l 0 > /dev/null & vendor/bin/phpunit --coverage-clover=coverage.xml
\ No newline at end of file

From b9b0b53d22dc4d506a30bbc60f364b7e6cd239ad Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 17:07:30 +0800
Subject: [PATCH 20/23] Require root permission.

---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 5bb76f7..c2f385b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,5 @@
+sudo: required
+
 language: php
 
 php:

From 28b589608fc834112825118894cc16d6f106cb20 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 17:24:07 +0800
Subject: [PATCH 21/23] Chmod test.sh.

---
 scripts/test.sh | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 mode change 100644 => 100755 scripts/test.sh

diff --git a/scripts/test.sh b/scripts/test.sh
old mode 100644
new mode 100755

From ac5e46ba2a497aaaff8f01d785d99f5ea1a0ec83 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 17:56:46 +0800
Subject: [PATCH 22/23] Kill ganache process after test.

---
 scripts/test.sh | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/scripts/test.sh b/scripts/test.sh
index caab94b..6b63d4a 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -1,3 +1,10 @@
 #!/usr/bin/env bash
 
-ganache-cli -g 0 -l 0 > /dev/null & vendor/bin/phpunit --coverage-clover=coverage.xml
\ No newline at end of file
+ganache-cli -g 0 -l 0 > /dev/null & 
+ganachecli_pid=$!
+echo "Start ganache-cli pid: $ganachecli_pid"
+
+vendor/bin/phpunit --coverage-clover=coverage.xml
+
+kill -9 $ganachecli_pid
+echo "Kill ganache-cli"
\ No newline at end of file

From b16a8f9b9a809c38e24da13b9ac34b7fa8a2ba2d Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 18:05:52 +0800
Subject: [PATCH 23/23] Fix: Non-static method
 Web3\Contracts\Ethabi::encodeEventSignature() should not be called statically

---
 src/Contract.php           | 12 +++++++++++-
 test/unit/ContractTest.php |  4 ++--
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/Contract.php b/src/Contract.php
index b5fa933..21ac3a9 100644
--- a/src/Contract.php
+++ b/src/Contract.php
@@ -243,7 +243,7 @@ class Contract
     }
 
     /**
-     * getAbr
+     * getAbi
      * 
      * @return array
      */
@@ -252,6 +252,16 @@ class Contract
         return $this->abi;
     }
 
+    /**
+     * getEthabi
+     * 
+     * @return array
+     */
+    public function getEthabi()
+    {
+        return $this->ethabi;
+    }
+
     /**
      * getEth
      * 
diff --git a/test/unit/ContractTest.php b/test/unit/ContractTest.php
index 538a97b..b3f0d91 100644
--- a/test/unit/ContractTest.php
+++ b/test/unit/ContractTest.php
@@ -416,7 +416,7 @@ class ContractTest extends TestCase
             $transactionId = $result;
             $this->assertTrue((preg_match('/^0x[a-f0-9]{64}$/', $transactionId) === 1));
 
-            $contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) use ($fromAccount, $toAccount) {
+            $contract->eth->getTransactionReceipt($transactionId, function ($err, $transaction) use ($fromAccount, $toAccount, $contract) {
                 if ($err !== null) {
                     return $this->fail($err);
                 }
@@ -425,7 +425,7 @@ class ContractTest extends TestCase
                     echo "\nTransaction has mind:) block number: " . $transaction->blockNumber . "\n";
 
                     // validate topics
-                    $this->assertEquals(Ethabi::encodeEventSignature($this->contract->events['Transfer']), $topics[0]);
+                    $this->assertEquals($contract->ethabi->encodeEventSignature($this->contract->events['Transfer']), $topics[0]);
                     $this->assertEquals('0x' . IntegerFormatter::format($fromAccount), $topics[1]);
                     $this->assertEquals('0x' . IntegerFormatter::format($toAccount), $topics[2]);
                 }