diff --git a/test/unit/EthApiTest.php b/test/unit/EthApiTest.php
new file mode 100644
index 0000000..4e0fcd1
--- /dev/null
+++ b/test/unit/EthApiTest.php
@@ -0,0 +1,1129 @@
+<?php
+
+namespace Test\Unit;
+
+use RuntimeException;
+use Test\TestCase;
+
+class EthApiTest extends TestCase
+{
+    /**
+     * eth
+     * 
+     * @var \Web3\Eth
+     */
+    protected $eth;
+
+    /**
+     * setUp
+     * 
+     * @return void
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->eth = $this->web3->eth;
+    }
+
+    /**
+     * testProtocolVersion
+     * 
+     * @return void
+     */    
+    public function testProtocolVersion()
+    {
+        $eth = $this->eth;
+
+        $eth->protocolVersion(function ($err, $version) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($version->result)) {
+                $this->assertTrue(is_string($version->result));
+            } else {
+                $this->fail($version->error->message);
+            }
+        });
+    }
+
+    /**
+     * testSyncing
+     * 
+     * @return void
+     */    
+    public function testSyncing()
+    {
+        $eth = $this->eth;
+
+        $eth->syncing(function ($err, $syncing) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($syncing->result)) {
+                // due to the result might be object or bool, only test is null
+                $this->assertTrue($syncing->result !== null);
+            } else {
+                $this->fail($syncing->error->message);
+            }
+        });
+    }
+
+    /**
+     * testCoinbase
+     * 
+     * @return void
+     */    
+    public function testCoinbase()
+    {
+        $eth = $this->eth;
+
+        $eth->coinbase(function ($err, $coinbase) {
+            if ($err !== null) {
+                // infura banned us to use coinbase
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($coinbase->result)) {
+                $this->assertTrue(is_string($coinbasse->result));
+            } else {
+                $this->fail($coinbase->error->message);
+            }
+        });
+    }
+
+    /**
+     * testMining
+     * 
+     * @return void
+     */    
+    public function testMining()
+    {
+        $eth = $this->eth;
+
+        $eth->mining(function ($err, $mining) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($mining->result)) {
+                $this->assertTrue($mining->result !== null);
+            } else {
+                $this->fail($mining->error->message);
+            }
+        });
+    }
+
+    /**
+     * testHashrate
+     * 
+     * @return void
+     */    
+    public function testHashrate()
+    {
+        $eth = $this->eth;
+
+        $eth->hashrate(function ($err, $hashrate) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($hashrate->result)) {
+                $this->assertTrue(is_string($hashrate->result));
+            } else {
+                $this->fail($hashrate->error->message);
+            }
+        });
+    }
+
+    /**
+     * testGasPrice
+     * 
+     * @return void
+     */    
+    public function testGasPrice()
+    {
+        $eth = $this->eth;
+
+        $eth->gasPrice(function ($err, $gasPrice) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($gasPrice->result)) {
+                $this->assertTrue(is_string($gasPrice->result));
+            } else {
+                $this->fail($gasPrice->error->message);
+            }
+        });
+    }
+
+    /**
+     * testAccounts
+     * 
+     * @return void
+     */    
+    public function testAccounts()
+    {
+        $eth = $this->eth;
+
+        $eth->accounts(function ($err, $accounts) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($accounts->result)) {
+                $this->assertTrue(is_array($accounts->result));
+            } else {
+                $this->fail($accounts->error->message);
+            }
+        });
+    }
+
+    /**
+     * testBlockNumber
+     * 
+     * @return void
+     */    
+    public function testBlockNumber()
+    {
+        $eth = $this->eth;
+
+        $eth->blockNumber(function ($err, $blockNumber) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($blockNumber->result)) {
+                $this->assertTrue(is_string($blockNumber->result));
+            } else {
+                $this->fail($blockNumber->error->message);
+            }
+        });
+    }
+
+    /**
+     * testGetBalance
+     * 
+     * @return void
+     */    
+    public function testGetBalance()
+    {
+        $eth = $this->eth;
+
+        $eth->getBalance('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $balance) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($balance->result)) {
+                $this->assertTrue(is_string($balance->result));
+            } else {
+                $this->fail($balance->error->message);
+            }
+        });
+    }
+
+    /**
+     * testGetStorageAt
+     * 
+     * @return void
+     */    
+    public function testGetStorageAt()
+    {
+        $eth = $this->eth;
+
+        $eth->getStorageAt('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '0x0', function ($err, $storage) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($storage->result)) {
+                $this->assertTrue(is_string($storage->result));
+            } else {
+                $this->fail($storage->error->message);
+            }
+        });
+    }
+
+    /**
+     * testGetTransactionCount
+     * 
+     * @return void
+     */    
+    public function testGetTransactionCount()
+    {
+        $eth = $this->eth;
+
+        $eth->getTransactionCount('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $transactionCount) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transactionCount->result)) {
+                $this->assertTrue(is_string($transactionCount->result));
+            } else {
+                $this->fail($transactionCount->error->message);
+            }
+        });
+    }
+
+    /**
+     * testGetBlockTransactionCountByHash
+     * 
+     * @return void
+     */    
+    public function testGetBlockTransactionCountByHash()
+    {
+        $eth = $this->eth;
+
+        $eth->getBlockTransactionCountByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transactionCount) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transactionCount->result)) {
+                $this->assertTrue(is_string($transactionCount->result));
+            } else {
+                if (isset($transactionCount->error)) {
+                    $this->fail($transactionCount->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetBlockTransactionCountByNumber
+     * 
+     * @return void
+     */    
+    public function testGetBlockTransactionCountByNumber()
+    {
+        $eth = $this->eth;
+
+        $eth->getBlockTransactionCountByNumber('0x0', function ($err, $transactionCount) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transactionCount->result)) {
+                $this->assertTrue(is_string($transactionCount->result));
+            } else {
+                if (isset($transactionCount->error)) {
+                    $this->fail($transactionCount->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetUncleCountByBlockHash
+     * 
+     * @return void
+     */    
+    public function testGetUncleCountByBlockHash()
+    {
+        $eth = $this->eth;
+
+        $eth->getUncleCountByBlockHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $uncleCount) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($uncleCount->result)) {
+                $this->assertTrue(is_string($uncleCount->result));
+            } else {
+                if (isset($uncleCount->error)) {
+                    $this->fail($uncleCount->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetUncleCountByBlockNumber
+     * 
+     * @return void
+     */    
+    public function testGetUncleCountByBlockNumber()
+    {
+        $eth = $this->eth;
+
+        $eth->getUncleCountByBlockNumber('0x0', function ($err, $uncleCount) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($uncleCount->result)) {
+                $this->assertTrue(is_string($uncleCount->result));
+            } else {
+                if (isset($uncleCount->error)) {
+                    $this->fail($uncleCount->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetCode
+     * 
+     * @return void
+     */    
+    public function testGetCode()
+    {
+        $eth = $this->eth;
+
+        $eth->getCode('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $code) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($code->result)) {
+                $this->assertTrue(is_string($code->result));
+            } else {
+                $this->fail($code->error->message);
+            }
+        });
+    }
+
+    /**
+     * testSign
+     * 
+     * @return void
+     */    
+    public function testSign()
+    {
+        $eth = $this->eth;
+
+        $eth->sign('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '0xdeadbeaf', function ($err, $sign) {
+            if ($err !== null) {
+                // infura banned us to sign message
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($sign->result)) {
+                $this->assertTrue(is_string($sign->result));
+            } else {
+                $this->fail($sign->error->message);
+            }
+        });
+    }
+
+    /**
+     * testSendTransaction
+     * 
+     * @return void
+     */    
+    public function testSendTransaction()
+    {
+        $eth = $this->eth;
+
+        $eth->sendTransaction([
+            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
+            'gas' => "0x76c0",
+            'gasPrice' => "0x9184e72a000",
+            'value' => "0x9184e72a",
+            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+        ], function ($err, $transaction) {
+            if ($err !== null) {
+                // infura banned us to send transaction
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    // it's just test hex.
+                    $this->assertTrue(is_string($transaction->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testSendRawTransaction
+     * 
+     * @return void
+     */    
+    public function testSendRawTransaction()
+    {
+        $eth = $this->eth;
+
+        $eth->sendRawTransaction('0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    // it's just test hex.
+                    $this->assertTrue(is_string($transaction->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testCall
+     * 
+     * @return void
+     */    
+    public function testCall()
+    {
+        $eth = $this->eth;
+
+        $eth->call([
+            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
+            'gas' => "0x76c0",
+            'gasPrice' => "0x9184e72a000",
+            'value' => "0x9184e72a",
+            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+        ], function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    // it's just test hex.
+                    $this->assertTrue(is_string($transaction->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testEstimateGas
+     * 
+     * @return void
+     */    
+    public function testEstimateGas()
+    {
+        $eth = $this->eth;
+
+        $eth->estimateGas([
+            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
+            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
+            'gas' => "0x76c0",
+            'gasPrice' => "0x9184e72a000",
+            'value' => "0x9184e72a",
+            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
+        ], function ($err, $gas) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($gas->result)) {
+                $this->assertTrue(is_string($gas->result));
+            } else {
+                if (isset($gas->error)) {
+                    // it's just test hex.
+                    $this->assertTrue(is_string($gas->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetBlockByHash
+     * 
+     * @return void
+     */    
+    public function testGetBlockByHash()
+    {
+        $eth = $this->eth;
+
+        $eth->getBlockByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', false, function ($err, $block) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($block->result)) {
+                $this->assertTrue(is_string($block->result));
+            } else {
+                if (isset($block->error)) {
+                    $this->fail($block->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetBlockByNumber
+     * 
+     * @return void
+     */    
+    public function testGetBlockByNumber()
+    {
+        $eth = $this->eth;
+
+        $eth->getBlockByNumber('latest', false, function ($err, $block) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($block->result)) {
+                // weired behavior, see https://github.com/sc0Vu/web3.php/issues/16
+                $this->assertTrue($block->result !== null);
+            } else {
+                if (isset($block->error)) {
+                    $this->fail($block->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetTransactionByHash
+     * 
+     * @return void
+     */    
+    public function testGetTransactionByHash()
+    {
+        $eth = $this->eth;
+
+        $eth->getTransactionByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    $this->fail($transaction->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetTransactionByBlockHashAndIndex
+     * 
+     * @return void
+     */    
+    public function testGetTransactionByBlockHashAndIndex()
+    {
+        $eth = $this->eth;
+
+        $eth->getTransactionByBlockHashAndIndex('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', '0x0', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    $this->fail($transaction->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetTransactionByBlockNumberAndIndex
+     * 
+     * @return void
+     */    
+    public function testGetTransactionByBlockNumberAndIndex()
+    {
+        $eth = $this->eth;
+
+        $eth->getTransactionByBlockNumberAndIndex('0xe8', '0x0', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    $this->fail($transaction->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetTransactionReceipt
+     * 
+     * @return void
+     */    
+    public function testGetTransactionReceipt()
+    {
+        $eth = $this->eth;
+
+        $eth->getTransactionReceipt('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    $this->fail($transaction->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetUncleByBlockHashAndIndex
+     * 
+     * @return void
+     */    
+    public function testGetUncleByBlockHashAndIndex()
+    {
+        $eth = $this->eth;
+
+        $eth->getUncleByBlockHashAndIndex('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', '0x0', function ($err, $uncle) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($uncle->result)) {
+                $this->assertTrue(is_string($uncle->result));
+            } else {
+                if (isset($uncle->error)) {
+                    $this->fail($uncle->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetUncleByBlockNumberAndIndex
+     * 
+     * @return void
+     */    
+    public function testGetUncleByBlockNumberAndIndex()
+    {
+        $eth = $this->eth;
+
+        $eth->getUncleByBlockNumberAndIndex('0xe8', '0x0', function ($err, $uncle) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($uncle->result)) {
+                $this->assertTrue(is_string($uncle->result));
+            } else {
+                if (isset($uncle->error)) {
+                    $this->fail($uncle->error->message);
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetCompilers
+     * 
+     * @return void
+     */    
+    public function testGetCompilers()
+    {
+        $eth = $this->eth;
+
+        $eth->getCompilers(function ($err, $compilers) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($compilers->result)) {
+                $this->assertTrue(is_string($compilers->result));
+            } else {
+                // if (isset($compilers->error)) {
+                    // infura banned getCompilers, $compilers->error->message
+                    $this->assertTrue(true);
+                // } else {
+                //     $this->assertTrue(true);
+                // }
+            }
+        });
+    }
+
+    /**
+     * testCompileSolidity
+     * 
+     * @return void
+     */    
+    public function testCompileSolidity()
+    {
+        $eth = $this->eth;
+
+        $eth->compileSolidity('contract test { function multiply(uint a) returns(uint d) {   return a * 7;   } }', function ($err, $compiled) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($compiled->result)) {
+                $this->assertTrue(is_string($compiled->result));
+            } else {
+                // if (isset($compilers->error)) {
+                    $this->assertTrue(true);
+                // } else {
+                //     $this->assertTrue(true);
+                // }
+            }
+        });
+    }
+
+    /**
+     * testCompileLLL
+     * 
+     * @return void
+     */    
+    public function testCompileLLL()
+    {
+        $eth = $this->eth;
+
+        $eth->compileLLL('(returnlll (suicide (caller)))', function ($err, $compiled) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($compiled->result)) {
+                $this->assertTrue(is_string($compiled->result));
+            } else {
+                // if (isset($compilers->error)) {
+                    $this->assertTrue(true);
+                // } else {
+                //     $this->assertTrue(true);
+                // }
+            }
+        });
+    }
+
+    /**
+     * testCompileSerpent
+     * 
+     * @return void
+     */    
+    public function testCompileSerpent()
+    {
+        $eth = $this->eth;
+
+        $eth->compileSerpent('\/* some serpent *\/', function ($err, $compiled) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($compiled->result)) {
+                $this->assertTrue(is_string($compiled->result));
+            } else {
+                // if (isset($compilers->error)) {
+                    $this->assertTrue(true);
+                // } else {
+                //     $this->assertTrue(true);
+                // }
+            }
+        });
+    }
+
+    /**
+     * testNewFilter
+     * 
+     * @return void
+     */    
+    public function testNewFilter()
+    {
+        $eth = $this->eth;
+
+        $eth->newFilter([
+            'fromBlock' => '0x1',
+            'toBlock' => '0x2',
+            'address' => '0x8888f1f195afa192cfee860698584c030f4c9db1',
+            'topics' => ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', null, ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', '0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc']]
+        ], function ($err, $filter) {
+            if ($err !== null) {
+                // infura banned us to new filter
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($filter->result)) {
+                $this->assertTrue(is_string($filter->result));
+            } else {
+                if (isset($filter->error)) {
+                    $this->assertTrue(is_string($filter->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testNewBlockFilter
+     * 
+     * @return void
+     */    
+    public function testNewBlockFilter()
+    {
+        $eth = $this->eth;
+
+        $eth->newBlockFilter('0x01', function ($err, $filter) {
+            if ($err !== null) {
+                // infura banned us to new block filter
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($filter->result)) {
+                $this->assertTrue(is_string($filter->result));
+            } else {
+                if (isset($filter->error)) {
+                    $this->assertTrue(is_string($filter->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testNewPendingTransactionFilter
+     * 
+     * @return void
+     */    
+    public function testNewPendingTransactionFilter()
+    {
+        $eth = $this->eth;
+
+        $eth->newPendingTransactionFilter(function ($err, $filter) {
+            if ($err !== null) {
+                // infura banned us to new pending transaction filter
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($filter->result)) {
+                $this->assertTrue(is_string($filter->result));
+            } else {
+                if (isset($filter->error)) {
+                    $this->assertTrue(is_string($filter->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testUninstallFilter
+     * 
+     * @return void
+     */    
+    public function testUninstallFilter()
+    {
+        $eth = $this->eth;
+
+        $eth->uninstallFilter('0x01', function ($err, $filter) {
+            if ($err !== null) {
+                // infura banned us to uninstall filter
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($filter->result)) {
+                $this->assertTrue(is_string($filter->result));
+            } else {
+                if (isset($filter->error)) {
+                    $this->assertTrue(is_string($filter->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetFilterChanges
+     * 
+     * @return void
+     */    
+    public function testGetFilterChanges()
+    {
+        $eth = $this->eth;
+
+        $eth->getFilterChanges('0x01', function ($err, $filter) {
+            if ($err !== null) {
+                // infura banned us to get filter changes
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($filter->result)) {
+                $this->assertTrue(is_string($filter->result));
+            } else {
+                if (isset($filter->error)) {
+                    $this->assertTrue(is_string($filter->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetFilterLogs
+     * 
+     * @return void
+     */    
+    public function testGetFilterLogs()
+    {
+        $eth = $this->eth;
+
+        $eth->getFilterLogs('0x01', function ($err, $logs) {
+            if ($err !== null) {
+                // infura banned us to get filter logs
+                return $this->assertTrue($err->getCode() === 405);
+            }
+            if (isset($logs->result)) {
+                $this->assertTrue(is_array($logs->result));
+            } else {
+                if (isset($logs->error)) {
+                    $this->assertTrue(is_string($logs->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetLogs
+     * 
+     * @return void
+     */    
+    public function testGetLogs()
+    {
+        $eth = $this->eth;
+
+        $eth->getLogs([
+            'fromBlock' => '0x1',
+            'toBlock' => '0x2',
+            'address' => '0x8888f1f195afa192cfee860698584c030f4c9db1',
+            'topics' => ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', null, ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', '0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc']]
+        ], function ($err, $logs) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($logs->result)) {
+                $this->assertTrue(is_array($logs->result));
+            } else {
+                if (isset($logs->error)) {
+                    $this->assertTrue(is_string($logs->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testGetWork
+     * 
+     * @return void
+     */    
+    public function testGetWork()
+    {
+        $eth = $this->eth;
+
+        $eth->getWork(function ($err, $work) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($work->result)) {
+                $this->assertTrue(is_array($work->result));
+            } else {
+                if (isset($work->error)) {
+                    // we cannot get work if coinbase isnot set.
+                    $this->assertTrue(is_string($work->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testSubmitWork
+     * 
+     * @return void
+     */    
+    public function testSubmitWork()
+    {
+        $eth = $this->eth;
+
+        $eth->submitWork(
+            '0x0000000000000001',
+            '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
+            '0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000'
+        , function ($err, $work) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($work->result)) {
+                $this->assertTrue(is_bool($work->result));
+            } else {
+                if (isset($work->error)) {
+                    $this->assertTrue(is_string($work->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testSubmitHashrate
+     * 
+     * @return void
+     */    
+    public function testSubmitHashrate()
+    {
+        $eth = $this->eth;
+
+        $eth->submitHashrate(
+            '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
+            '0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000'
+        , function ($err, $work) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($work->result)) {
+                $this->assertTrue(is_bool($work->result));
+            } else {
+                if (isset($work->error)) {
+                    $this->assertTrue(is_string($work->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
+    /**
+     * testUnallowedMethod
+     * 
+     * @return void
+     */
+    public function testUnallowedMethod()
+    {
+        $this->expectException(RuntimeException::class);
+
+        $eth = $this->eth;
+
+        $eth->hello(function ($err, $hello) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($hello->result)) {
+                $this->assertTrue(true);
+            } else {
+                $this->fail($hello->error->message);
+            }
+        });
+    }
+}
\ No newline at end of file
diff --git a/test/unit/EthBatchTest.php b/test/unit/EthBatchTest.php
new file mode 100644
index 0000000..7cf4ada
--- /dev/null
+++ b/test/unit/EthBatchTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Test\Unit;
+
+use RuntimeException;
+use Test\TestCase;
+
+class EthBatchTest extends TestCase
+{
+    /**
+     * eth
+     * 
+     * @var \Web3\Eth
+     */
+    protected $eth;
+
+    /**
+     * setUp
+     * 
+     * @return void
+     */
+    public function setUp()
+    {
+        parent::setUp();
+
+        $this->eth = $this->web3->eth;
+    }
+
+    /**
+     * testBatch
+     * 
+     * @return void
+     */
+    public function testBatch()
+    {
+        $eth = $this->eth;
+
+        $eth->batch(true);
+        $eth->protocolVersion();
+        $eth->syncing();
+
+        $eth->provider->execute(function ($err, $data) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            $this->assertTrue(is_string($data[0]->result));
+            $this->assertTrue($data[1]->result !== null);
+        });
+    }
+}
\ No newline at end of file
diff --git a/test/unit/EthTest.php b/test/unit/EthTest.php
index 5963784..5d3757d 100644
--- a/test/unit/EthTest.php
+++ b/test/unit/EthTest.php
@@ -4,8 +4,6 @@ namespace Test\Unit;
 
 use RuntimeException;
 use Test\TestCase;
-use Web3\Web3;
-use Web3\Eth;
 use Web3\Providers\HttpProvider;
 use Web3\RequestManagers\RequestManager;
 
@@ -31,1125 +29,15 @@ class EthTest extends TestCase
     }
 
     /**
-     * testProtocolVersion
-     * 
-     * @return void
-     */    
-    public function testProtocolVersion()
-    {
-        $eth = $this->eth;
-
-        $eth->protocolVersion(function ($err, $version) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($version->result)) {
-                $this->assertTrue(is_string($version->result));
-            } else {
-                $this->fail($version->error->message);
-            }
-        });
-    }
-
-    /**
-     * testSyncing
-     * 
-     * @return void
-     */    
-    public function testSyncing()
-    {
-        $eth = $this->eth;
-
-        $eth->syncing(function ($err, $syncing) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($syncing->result)) {
-                // due to the result might be object or bool, only test is null
-                $this->assertTrue($syncing->result !== null);
-            } else {
-                $this->fail($syncing->error->message);
-            }
-        });
-    }
-
-    /**
-     * testCoinbase
-     * 
-     * @return void
-     */    
-    public function testCoinbase()
-    {
-        $eth = $this->eth;
-
-        $eth->coinbase(function ($err, $coinbase) {
-            if ($err !== null) {
-                // infura banned us to use coinbase
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($coinbase->result)) {
-                $this->assertTrue(is_string($coinbasse->result));
-            } else {
-                $this->fail($coinbase->error->message);
-            }
-        });
-    }
-
-    /**
-     * testMining
-     * 
-     * @return void
-     */    
-    public function testMining()
-    {
-        $eth = $this->eth;
-
-        $eth->mining(function ($err, $mining) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($mining->result)) {
-                $this->assertTrue($mining->result !== null);
-            } else {
-                $this->fail($mining->error->message);
-            }
-        });
-    }
-
-    /**
-     * testHashrate
-     * 
-     * @return void
-     */    
-    public function testHashrate()
-    {
-        $eth = $this->eth;
-
-        $eth->hashrate(function ($err, $hashrate) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($hashrate->result)) {
-                $this->assertTrue(is_string($hashrate->result));
-            } else {
-                $this->fail($hashrate->error->message);
-            }
-        });
-    }
-
-    /**
-     * testGasPrice
-     * 
-     * @return void
-     */    
-    public function testGasPrice()
-    {
-        $eth = $this->eth;
-
-        $eth->gasPrice(function ($err, $gasPrice) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($gasPrice->result)) {
-                $this->assertTrue(is_string($gasPrice->result));
-            } else {
-                $this->fail($gasPrice->error->message);
-            }
-        });
-    }
-
-    /**
-     * testAccounts
-     * 
-     * @return void
-     */    
-    public function testAccounts()
-    {
-        $eth = $this->eth;
-
-        $eth->accounts(function ($err, $accounts) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($accounts->result)) {
-                $this->assertTrue(is_array($accounts->result));
-            } else {
-                $this->fail($accounts->error->message);
-            }
-        });
-    }
-
-    /**
-     * testBlockNumber
-     * 
-     * @return void
-     */    
-    public function testBlockNumber()
-    {
-        $eth = $this->eth;
-
-        $eth->blockNumber(function ($err, $blockNumber) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($blockNumber->result)) {
-                $this->assertTrue(is_string($blockNumber->result));
-            } else {
-                $this->fail($blockNumber->error->message);
-            }
-        });
-    }
-
-    /**
-     * testGetBalance
-     * 
-     * @return void
-     */    
-    public function testGetBalance()
-    {
-        $eth = $this->eth;
-
-        $eth->getBalance('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $balance) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($balance->result)) {
-                $this->assertTrue(is_string($balance->result));
-            } else {
-                $this->fail($balance->error->message);
-            }
-        });
-    }
-
-    /**
-     * testGetStorageAt
-     * 
-     * @return void
-     */    
-    public function testGetStorageAt()
-    {
-        $eth = $this->eth;
-
-        $eth->getStorageAt('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '0x0', function ($err, $storage) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($storage->result)) {
-                $this->assertTrue(is_string($storage->result));
-            } else {
-                $this->fail($storage->error->message);
-            }
-        });
-    }
-
-    /**
-     * testGetTransactionCount
-     * 
-     * @return void
-     */    
-    public function testGetTransactionCount()
-    {
-        $eth = $this->eth;
-
-        $eth->getTransactionCount('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $transactionCount) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transactionCount->result)) {
-                $this->assertTrue(is_string($transactionCount->result));
-            } else {
-                $this->fail($transactionCount->error->message);
-            }
-        });
-    }
-
-    /**
-     * testGetBlockTransactionCountByHash
-     * 
-     * @return void
-     */    
-    public function testGetBlockTransactionCountByHash()
-    {
-        $eth = $this->eth;
-
-        $eth->getBlockTransactionCountByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transactionCount) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transactionCount->result)) {
-                $this->assertTrue(is_string($transactionCount->result));
-            } else {
-                if (isset($transactionCount->error)) {
-                    $this->fail($transactionCount->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetBlockTransactionCountByNumber
-     * 
-     * @return void
-     */    
-    public function testGetBlockTransactionCountByNumber()
-    {
-        $eth = $this->eth;
-
-        $eth->getBlockTransactionCountByNumber('0x0', function ($err, $transactionCount) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transactionCount->result)) {
-                $this->assertTrue(is_string($transactionCount->result));
-            } else {
-                if (isset($transactionCount->error)) {
-                    $this->fail($transactionCount->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetUncleCountByBlockHash
-     * 
-     * @return void
-     */    
-    public function testGetUncleCountByBlockHash()
-    {
-        $eth = $this->eth;
-
-        $eth->getUncleCountByBlockHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $uncleCount) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($uncleCount->result)) {
-                $this->assertTrue(is_string($uncleCount->result));
-            } else {
-                if (isset($uncleCount->error)) {
-                    $this->fail($uncleCount->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetUncleCountByBlockNumber
-     * 
-     * @return void
-     */    
-    public function testGetUncleCountByBlockNumber()
-    {
-        $eth = $this->eth;
-
-        $eth->getUncleCountByBlockNumber('0x0', function ($err, $uncleCount) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($uncleCount->result)) {
-                $this->assertTrue(is_string($uncleCount->result));
-            } else {
-                if (isset($uncleCount->error)) {
-                    $this->fail($uncleCount->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetCode
-     * 
-     * @return void
-     */    
-    public function testGetCode()
-    {
-        $eth = $this->eth;
-
-        $eth->getCode('0x407d73d8a49eeb85d32cf465507dd71d507100c1', function ($err, $code) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($code->result)) {
-                $this->assertTrue(is_string($code->result));
-            } else {
-                $this->fail($code->error->message);
-            }
-        });
-    }
-
-    /**
-     * testSign
-     * 
-     * @return void
-     */    
-    public function testSign()
-    {
-        $eth = $this->eth;
-
-        $eth->sign('0x407d73d8a49eeb85d32cf465507dd71d507100c1', '0xdeadbeaf', function ($err, $sign) {
-            if ($err !== null) {
-                // infura banned us to sign message
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($sign->result)) {
-                $this->assertTrue(is_string($sign->result));
-            } else {
-                $this->fail($sign->error->message);
-            }
-        });
-    }
-
-    /**
-     * testSendTransaction
-     * 
-     * @return void
-     */    
-    public function testSendTransaction()
-    {
-        $eth = $this->eth;
-
-        $eth->sendTransaction([
-            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
-            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
-            'gas' => "0x76c0",
-            'gasPrice' => "0x9184e72a000",
-            'value' => "0x9184e72a",
-            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
-        ], function ($err, $transaction) {
-            if ($err !== null) {
-                // infura banned us to send transaction
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    // it's just test hex.
-                    $this->assertTrue(is_string($transaction->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testSendRawTransaction
-     * 
-     * @return void
-     */    
-    public function testSendRawTransaction()
-    {
-        $eth = $this->eth;
-
-        $eth->sendRawTransaction('0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675', function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    // it's just test hex.
-                    $this->assertTrue(is_string($transaction->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testCall
-     * 
-     * @return void
-     */    
-    public function testCall()
-    {
-        $eth = $this->eth;
-
-        $eth->call([
-            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
-            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
-            'gas' => "0x76c0",
-            'gasPrice' => "0x9184e72a000",
-            'value' => "0x9184e72a",
-            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
-        ], function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    // it's just test hex.
-                    $this->assertTrue(is_string($transaction->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testEstimateGas
-     * 
-     * @return void
-     */    
-    public function testEstimateGas()
-    {
-        $eth = $this->eth;
-
-        $eth->estimateGas([
-            'from' => "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
-            'to' => "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
-            'gas' => "0x76c0",
-            'gasPrice' => "0x9184e72a000",
-            'value' => "0x9184e72a",
-            'data' => "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"
-        ], function ($err, $gas) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($gas->result)) {
-                $this->assertTrue(is_string($gas->result));
-            } else {
-                if (isset($gas->error)) {
-                    // it's just test hex.
-                    $this->assertTrue(is_string($gas->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetBlockByHash
-     * 
-     * @return void
-     */    
-    public function testGetBlockByHash()
-    {
-        $eth = $this->eth;
-
-        $eth->getBlockByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', false, function ($err, $block) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($block->result)) {
-                $this->assertTrue(is_string($block->result));
-            } else {
-                if (isset($block->error)) {
-                    $this->fail($block->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetBlockByNumber
-     * 
-     * @return void
-     */    
-    public function testGetBlockByNumber()
-    {
-        $eth = $this->eth;
-
-        $eth->getBlockByNumber('latest', false, function ($err, $block) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($block->result)) {
-                // weired behavior, see https://github.com/sc0Vu/web3.php/issues/16
-                $this->assertTrue($block->result !== null);
-            } else {
-                if (isset($block->error)) {
-                    $this->fail($block->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetTransactionByHash
-     * 
-     * @return void
-     */    
-    public function testGetTransactionByHash()
-    {
-        $eth = $this->eth;
-
-        $eth->getTransactionByHash('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    $this->fail($transaction->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetTransactionByBlockHashAndIndex
-     * 
-     * @return void
-     */    
-    public function testGetTransactionByBlockHashAndIndex()
-    {
-        $eth = $this->eth;
-
-        $eth->getTransactionByBlockHashAndIndex('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', '0x0', function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    $this->fail($transaction->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetTransactionByBlockNumberAndIndex
-     * 
-     * @return void
-     */    
-    public function testGetTransactionByBlockNumberAndIndex()
-    {
-        $eth = $this->eth;
-
-        $eth->getTransactionByBlockNumberAndIndex('0xe8', '0x0', function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    $this->fail($transaction->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetTransactionReceipt
-     * 
-     * @return void
-     */    
-    public function testGetTransactionReceipt()
-    {
-        $eth = $this->eth;
-
-        $eth->getTransactionReceipt('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', function ($err, $transaction) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($transaction->result)) {
-                $this->assertTrue(is_string($transaction->result));
-            } else {
-                if (isset($transaction->error)) {
-                    $this->fail($transaction->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetUncleByBlockHashAndIndex
-     * 
-     * @return void
-     */    
-    public function testGetUncleByBlockHashAndIndex()
-    {
-        $eth = $this->eth;
-
-        $eth->getUncleByBlockHashAndIndex('0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238', '0x0', function ($err, $uncle) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($uncle->result)) {
-                $this->assertTrue(is_string($uncle->result));
-            } else {
-                if (isset($uncle->error)) {
-                    $this->fail($uncle->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetUncleByBlockNumberAndIndex
-     * 
-     * @return void
-     */    
-    public function testGetUncleByBlockNumberAndIndex()
-    {
-        $eth = $this->eth;
-
-        $eth->getUncleByBlockNumberAndIndex('0xe8', '0x0', function ($err, $uncle) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($uncle->result)) {
-                $this->assertTrue(is_string($uncle->result));
-            } else {
-                if (isset($uncle->error)) {
-                    $this->fail($uncle->error->message);
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetCompilers
-     * 
-     * @return void
-     */    
-    public function testGetCompilers()
-    {
-        $eth = $this->eth;
-
-        $eth->getCompilers(function ($err, $compilers) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($compilers->result)) {
-                $this->assertTrue(is_string($compilers->result));
-            } else {
-                // if (isset($compilers->error)) {
-                    // infura banned getCompilers, $compilers->error->message
-                    $this->assertTrue(true);
-                // } else {
-                //     $this->assertTrue(true);
-                // }
-            }
-        });
-    }
-
-    /**
-     * testCompileSolidity
-     * 
-     * @return void
-     */    
-    public function testCompileSolidity()
-    {
-        $eth = $this->eth;
-
-        $eth->compileSolidity('contract test { function multiply(uint a) returns(uint d) {   return a * 7;   } }', function ($err, $compiled) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($compiled->result)) {
-                $this->assertTrue(is_string($compiled->result));
-            } else {
-                // if (isset($compilers->error)) {
-                    $this->assertTrue(true);
-                // } else {
-                //     $this->assertTrue(true);
-                // }
-            }
-        });
-    }
-
-    /**
-     * testCompileLLL
-     * 
-     * @return void
-     */    
-    public function testCompileLLL()
-    {
-        $eth = $this->eth;
-
-        $eth->compileLLL('(returnlll (suicide (caller)))', function ($err, $compiled) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($compiled->result)) {
-                $this->assertTrue(is_string($compiled->result));
-            } else {
-                // if (isset($compilers->error)) {
-                    $this->assertTrue(true);
-                // } else {
-                //     $this->assertTrue(true);
-                // }
-            }
-        });
-    }
-
-    /**
-     * testCompileSerpent
-     * 
-     * @return void
-     */    
-    public function testCompileSerpent()
-    {
-        $eth = $this->eth;
-
-        $eth->compileSerpent('\/* some serpent *\/', function ($err, $compiled) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($compiled->result)) {
-                $this->assertTrue(is_string($compiled->result));
-            } else {
-                // if (isset($compilers->error)) {
-                    $this->assertTrue(true);
-                // } else {
-                //     $this->assertTrue(true);
-                // }
-            }
-        });
-    }
-
-    /**
-     * testNewFilter
-     * 
-     * @return void
-     */    
-    public function testNewFilter()
-    {
-        $eth = $this->eth;
-
-        $eth->newFilter([
-            'fromBlock' => '0x1',
-            'toBlock' => '0x2',
-            'address' => '0x8888f1f195afa192cfee860698584c030f4c9db1',
-            'topics' => ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', null, ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', '0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc']]
-        ], function ($err, $filter) {
-            if ($err !== null) {
-                // infura banned us to new filter
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($filter->result)) {
-                $this->assertTrue(is_string($filter->result));
-            } else {
-                if (isset($filter->error)) {
-                    $this->assertTrue(is_string($filter->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testNewBlockFilter
-     * 
-     * @return void
-     */    
-    public function testNewBlockFilter()
-    {
-        $eth = $this->eth;
-
-        $eth->newBlockFilter('0x01', function ($err, $filter) {
-            if ($err !== null) {
-                // infura banned us to new block filter
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($filter->result)) {
-                $this->assertTrue(is_string($filter->result));
-            } else {
-                if (isset($filter->error)) {
-                    $this->assertTrue(is_string($filter->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testNewPendingTransactionFilter
-     * 
-     * @return void
-     */    
-    public function testNewPendingTransactionFilter()
-    {
-        $eth = $this->eth;
-
-        $eth->newPendingTransactionFilter(function ($err, $filter) {
-            if ($err !== null) {
-                // infura banned us to new pending transaction filter
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($filter->result)) {
-                $this->assertTrue(is_string($filter->result));
-            } else {
-                if (isset($filter->error)) {
-                    $this->assertTrue(is_string($filter->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testUninstallFilter
-     * 
-     * @return void
-     */    
-    public function testUninstallFilter()
-    {
-        $eth = $this->eth;
-
-        $eth->uninstallFilter('0x01', function ($err, $filter) {
-            if ($err !== null) {
-                // infura banned us to uninstall filter
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($filter->result)) {
-                $this->assertTrue(is_string($filter->result));
-            } else {
-                if (isset($filter->error)) {
-                    $this->assertTrue(is_string($filter->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetFilterChanges
-     * 
-     * @return void
-     */    
-    public function testGetFilterChanges()
-    {
-        $eth = $this->eth;
-
-        $eth->getFilterChanges('0x01', function ($err, $filter) {
-            if ($err !== null) {
-                // infura banned us to get filter changes
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($filter->result)) {
-                $this->assertTrue(is_string($filter->result));
-            } else {
-                if (isset($filter->error)) {
-                    $this->assertTrue(is_string($filter->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetFilterLogs
-     * 
-     * @return void
-     */    
-    public function testGetFilterLogs()
-    {
-        $eth = $this->eth;
-
-        $eth->getFilterLogs('0x01', function ($err, $logs) {
-            if ($err !== null) {
-                // infura banned us to get filter logs
-                return $this->assertTrue($err->getCode() === 405);
-            }
-            if (isset($logs->result)) {
-                $this->assertTrue(is_array($logs->result));
-            } else {
-                if (isset($logs->error)) {
-                    $this->assertTrue(is_string($logs->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetLogs
-     * 
-     * @return void
-     */    
-    public function testGetLogs()
-    {
-        $eth = $this->eth;
-
-        $eth->getLogs([
-            'fromBlock' => '0x1',
-            'toBlock' => '0x2',
-            'address' => '0x8888f1f195afa192cfee860698584c030f4c9db1',
-            'topics' => ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', null, ['0x000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b', '0x0000000000000000000000000aff3454fce5edbc8cca8697c15331677e6ebccc']]
-        ], function ($err, $logs) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($logs->result)) {
-                $this->assertTrue(is_array($logs->result));
-            } else {
-                if (isset($logs->error)) {
-                    $this->assertTrue(is_string($logs->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testGetWork
-     * 
-     * @return void
-     */    
-    public function testGetWork()
-    {
-        $eth = $this->eth;
-
-        $eth->getWork(function ($err, $work) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($work->result)) {
-                $this->assertTrue(is_array($work->result));
-            } else {
-                if (isset($work->error)) {
-                    // we cannot get work if coinbase isnot set.
-                    $this->assertTrue(is_string($work->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testSubmitWork
-     * 
-     * @return void
-     */    
-    public function testSubmitWork()
-    {
-        $eth = $this->eth;
-
-        $eth->submitWork(
-            '0x0000000000000001',
-            '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
-            '0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000'
-        , function ($err, $work) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($work->result)) {
-                $this->assertTrue(is_bool($work->result));
-            } else {
-                if (isset($work->error)) {
-                    $this->assertTrue(is_string($work->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testSubmitHashrate
-     * 
-     * @return void
-     */    
-    public function testSubmitHashrate()
-    {
-        $eth = $this->eth;
-
-        $eth->submitHashrate(
-            '0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef',
-            '0xD1FE5700000000000000000000000000D1FE5700000000000000000000000000'
-        , function ($err, $work) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($work->result)) {
-                $this->assertTrue(is_bool($work->result));
-            } else {
-                if (isset($work->error)) {
-                    $this->assertTrue(is_string($work->error->message));
-                } else {
-                    $this->assertTrue(true);
-                }
-            }
-        });
-    }
-
-    /**
-     * testBatch
+     * testInstance
      * 
      * @return void
      */
-    public function testBatch()
+    public function testInstance()
     {
         $eth = $this->eth;
 
-        $eth->batch(true);
-        $eth->protocolVersion();
-        $eth->syncing();
-
-        $eth->provider->execute(function ($err, $data) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            $this->assertTrue(is_string($data[0]->result));
-            $this->assertTrue($data[1]->result !== null);
-        });
-    }
-
-    /**
-     * testUnallowedMethod
-     * 
-     * @return void
-     */
-    public function testUnallowedMethod()
-    {
-        $this->expectException(RuntimeException::class);
-
-        $eth = $this->eth;
-
-        $eth->hello(function ($err, $hello) {
-            if ($err !== null) {
-                return $this->fail($err->getMessage());
-            }
-            if (isset($hello->result)) {
-                $this->assertTrue(true);
-            } else {
-                $this->fail($hello->error->message);
-            }
-        });
+        $this->assertTrue($eth->provider instanceof HttpProvider);
+        $this->assertTrue($eth->provider->requestManager instanceof RequestManager);
     }
 }
\ No newline at end of file