echizen0312 · July 14, 2018 09:20 · Jul 14, 2018
diff --git a/Coin.sol b/Coin.sol
@@ -0,0 +1,246 @@
+pragma solidity ^0.4.20;
+
+contract owned {
+    address public owner;
+
+    function owned() public {
+        owner = msg.sender;
+    }
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+}
+
+interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
+
+contract TokenERC20 {
+    // Public variables of the token
+    string public name;
+    string public symbol;
+    uint8 public decimals = 18;
+    // 18 decimals is the strongly suggested default, avoid changing it
+    uint256 public totalSupply;
+
+    // This creates an array with all balances
+    mapping (address => uint256) public balanceOf;
+    mapping (address => mapping (address => uint256)) public allowance;
+
+    // This generates a public event on the blockchain that will notify clients
+    event Transfer(address indexed from, address indexed to, uint256 value);
+
+    // This notifies clients about the amount burnt
+    event Burn(address indexed from, uint256 value);
+
+    /**
+     * Constrctor function
+     *
+     * Initializes contract with initial supply tokens to the creator of the contract
+     */
+    function TokenERC20(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) public {
+        totalSupply = initialSupply * 10 ** uint256(decimals);  // Update total supply with the decimal amount
+        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
+        name = tokenName;                                   // Set the name for display purposes
+        symbol = tokenSymbol;                               // Set the symbol for display purposes
+    }
+
+    /**
+     * Internal transfer, only can be called by this contract
+     */
+    function _transfer(address _from, address _to, uint _value) internal {
+        // Prevent transfer to 0x0 address. Use burn() instead
+        require(_to != 0x0);
+        // Check if the sender has enough
+        require(balanceOf[_from] >= _value);
+        // Check for overflows
+        require(balanceOf[_to] + _value > balanceOf[_to]);
+        // Save this for an assertion in the future
+        uint previousBalances = balanceOf[_from] + balanceOf[_to];
+        // Subtract from the sender
+        balanceOf[_from] -= _value;
+        // Add the same to the recipient
+        balanceOf[_to] += _value;
+        emit Transfer(_from, _to, _value);
+        // Asserts are used to use static analysis to find bugs in your code. They should never fail
+        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
+    }
+
+    /**
+     * Transfer tokens
+     *
+     * Send `_value` tokens to `_to` from your account
+     *
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transfer(address _to, uint256 _value) public returns (bool success) {
+        _transfer(msg.sender, _to, _value);
+        return true;
+    }
+
+    /**
+     * Transfer tokens from other address
+     *
+     * Send `_value` tokens to `_to` in behalf of `_from`
+     *
+     * @param _from The address of the sender
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
+        require(_value <= allowance[_from][msg.sender]);     // Check allowance
+        allowance[_from][msg.sender] -= _value;
+        _transfer(_from, _to, _value);
+        return true;
+    }
+
+    /**
+     * Set allowance for other address
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     */
+    function approve(address _spender, uint256 _value) public
+        returns (bool success) {
+        allowance[msg.sender][_spender] = _value;
+        return true;
+    }
+
+    /**
+     * Set allowance for other address and notify
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     * @param _extraData some extra information to send to the approved contract
+     */
+    function approveAndCall(address _spender, uint256 _value, bytes _extraData)
+        public
+        returns (bool success) {
+        tokenRecipient spender = tokenRecipient(_spender);
+        if (approve(_spender, _value)) {
+            spender.receiveApproval(msg.sender, _value, this, _extraData);
+            return true;
+        }
+    }
+
+    /**
+     * Destroy tokens
+     *
+     * Remove `_value` tokens from the system irreversibly
+     *
+     * @param _value the amount of money to burn
+     */
+    function burn(uint256 _value) public returns (bool success) {
+        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
+        balanceOf[msg.sender] -= _value;            // Subtract from the sender
+        totalSupply -= _value;                      // Updates totalSupply
+        emit Burn(msg.sender, _value);
+        return true;
+    }
+
+    /**
+     * Destroy tokens from other account
+     *
+     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
+     *
+     * @param _from the address of the sender
+     * @param _value the amount of money to burn
+     */
+    function burnFrom(address _from, uint256 _value) public returns (bool success) {
+        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
+        require(_value <= allowance[_from][msg.sender]);    // Check allowance
+        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
+        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
+        totalSupply -= _value;                              // Update totalSupply
+        emit Burn(_from, _value);
+        return true;
+    }
+}
+
+/******************************************/
+/*       ADVANCED TOKEN STARTS HERE       */
+/******************************************/
+
+contract Coin is owned, TokenERC20 {
+
+    uint256 public sellPrice;
+    uint256 public buyPrice;
+
+    mapping (address => bool) public frozenAccount;
+
+    /* This generates a public event on the blockchain that will notify clients */
+    event FrozenFunds(address target, bool frozen);
+
+    /* Initializes contract with initial supply tokens to the creator of the contract */
+    function Coin(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
+
+    /* Internal transfer, only can be called by this contract */
+    function _transfer(address _from, address _to, uint _value) internal {
+        require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
+        require (balanceOf[_from] >= _value);               // Check if the sender has enough
+        require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
+        require(!frozenAccount[_from]);                     // Check if sender is frozen
+        require(!frozenAccount[_to]);                       // Check if recipient is frozen
+        balanceOf[_from] -= _value;                         // Subtract from the sender
+        balanceOf[_to] += _value;                           // Add the same to the recipient
+        emit Transfer(_from, _to, _value);
+    }
+
+    /// @notice Create `mintedAmount` tokens and send it to `target`
+    /// @param target Address to receive the tokens
+    /// @param mintedAmount the amount of tokens it will receive
+    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
+        balanceOf[target] += mintedAmount;
+        totalSupply += mintedAmount;
+        emit Transfer(0, this, mintedAmount);
+        emit Transfer(this, target, mintedAmount);
+    }
+
+    /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
+    /// @param target Address to be frozen
+    /// @param freeze either to freeze it or not
+    function freezeAccount(address target, bool freeze) onlyOwner public {
+        frozenAccount[target] = freeze;
+        emit FrozenFunds(target, freeze);
+    }
+
+    /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
+    /// @param newSellPrice Price the users can sell to the contract
+    /// @param newBuyPrice Price users can buy from the contract
+    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
+        sellPrice = newSellPrice;
+        buyPrice = newBuyPrice;
+    }
+
+    /// @notice Buy tokens from contract by sending ether
+    function buy() payable public {
+        uint amount = msg.value / buyPrice;               // calculates the amount
+        _transfer(this, msg.sender, amount);              // makes the transfers
+    }
+
+    /// @notice Sell `amount` tokens to contract
+    /// @param amount amount of tokens to be sold
+    function sell(uint256 amount) public {
+        address myAddress = this;
+        require(myAddress.balance >= amount * sellPrice);      // checks if the contract has enough ether to buy
+        _transfer(msg.sender, this, amount);              // makes the transfers
+        msg.sender.transfer(amount * sellPrice);          // sends ether to the seller. It's important to do this last to avoid recursion attacks
+    }
+}
diff --git a/ICO1.sol b/ICO1.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICO1 {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICO1(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "T30_ICO_1";
+        minETH = 1;
+        price = 2750;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        uint point = minETH * 10 ** uint256(18);
+        bool isGood = (ethValue >= point && ethValue % point == 0);
+        require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawT30(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/ICO10.sol b/ICO10.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICO10 {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICO10(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "T30_ICO_10";
+        minETH = 10;
+        price = 3666;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        uint point = minETH * 10 ** uint256(18);
+        bool isGood = (ethValue >= point && ethValue % point == 0);
+        require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawT30(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/ICO100.sol b/ICO100.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICO100 {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICO100(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "T30_ICO_100";
+        minETH = 100;
+        price = 5500;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        uint point = minETH * 10 ** uint256(18);
+        bool isGood = (ethValue >= point && ethValue % point == 0);
+        require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawT30(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/ICO1000.sol b/ICO1000.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICO1000 {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICO1000(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "T30_ICO_1000";
+        minETH = 1000;
+        price = 11000;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        uint point = minETH * 10 ** uint256(18);
+        bool isGood = (ethValue >= point && ethValue % point == 0);
+        require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawT30(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/ICODIPC.sol b/ICODIPC.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICODIPC {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    // uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICODIPC(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "ICO_DIPC";
+        // minETH = 1;
+        price = 110000;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        // uint point = minETH * 10 ** uint256(18);
+        // bool isGood = (ethValue >= point && ethValue % point == 0);
+        // require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawDIPC(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/ICOTest.sol b/ICOTest.sol
@@ -0,0 +1,64 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract ICOTest {
+    address public owner;
+    token public tokenReward;
+
+    string public contractName;
+    uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function ICOTest(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        tokenReward = token(addressOfToken);
+
+        contractName = "ICO_Test";
+        minETH = 1;
+        price = 11000;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        uint point = minETH * 10 ** uint256(18);
+        bool isGood = (ethValue >= point && ethValue % point == 0);
+        require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawToken(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/SakICO.sol b/SakICO.sol
@@ -0,0 +1,74 @@
+pragma solidity ^0.4.20;
+
+interface token {
+    function balanceOf(address addr) external returns (uint256);
+    function transfer(address receiver, uint256 amount) external;
+}
+
+contract SakICO {
+    address public owner;
+    bool public isStop;
+    token public tokenReward;
+
+    string public contractName;
+    // uint256 public minETH;
+    uint256 public price;
+    mapping(address => uint256) public balanceETHOf;
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+    modifier onlyStart {
+        require(!isStop);
+        _;
+    }
+
+    constructor(
+        address addressOfToken
+    ) public {
+        owner = msg.sender;
+        isStop = false;
+        tokenReward = token(addressOfToken);
+
+        contractName = "ICO_";
+        // minETH = 1;
+        price = 110000;
+    }
+
+    event BuyResult(address sender, bool success, string msg, uint256 amount);
+
+    function () payable public {
+        uint ethValue = msg.value;
+        // uint ethValue = msg.value * 10 ** uint256(18);
+        uint amount = ethValue * price;
+        bool isOK = (tokenReward.balanceOf(address(this)) >= amount && tokenReward.balanceOf(msg.sender) + amount >= tokenReward.balanceOf(msg.sender));
+        require(isOK);
+        // uint point = minETH * 10 ** uint256(18);
+        // bool isGood = (ethValue >= point && ethValue % point == 0);
+        // require(isGood);
+        balanceETHOf[msg.sender] += ethValue;
+        tokenReward.transfer(msg.sender, amount);
+        emit BuyResult(msg.sender, true, "购买成功", amount);
+    }
+
+    function setStop(bool newStop) onlyOwner public {
+        isStop = newStop;
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function drawDIPC(address to, uint256 amount) onlyOwner public {
+        tokenReward.transfer(to, amount);
+    }
+}
diff --git a/SakPool.sol b/SakPool.sol
@@ -0,0 +1,307 @@
+pragma solidity ^0.4.20;
+
+// name 多重签名合约
+// date 2018-06-12
+// by   sakuya
+// ver  0.5.4
+contract SakPool {
+
+    // 存入者结构
+    struct User {
+        address addr; // 存入者地址
+        uint deposit; // 存入总数
+        uint draw; // 提出总数
+    }
+    // 合作伙伴结构
+    struct Partner {
+        address addr; // 伙伴地址
+        string desc; // 伙伴备注
+    }
+    // 提币订单结构
+    struct DrawOrder {
+        uint orderID; // 提币订单ID
+        address toAddr; // 提出目标地址
+        uint number; // 提出数量
+        address[] agrees; // 同意地址数组
+        bool isComplete; // 订单是否成功
+        bool isRefused; // 订单是否被拒绝
+    }
+    // 根据存入者地址查找
+    mapping (address => User) user;
+    // 根据合作伙伴地址查找
+    mapping (address => Partner) partner;
+    // 根据提币订单ID查找
+    mapping (uint => DrawOrder) drawOrder;
+
+    // 合约拥有者 
+    address master;
+    // 是否已锁定
+    bool isLocked;
+    // 转入总数
+    uint depositETH;
+    // 提出总数
+    uint drawETH;
+    // 存入者数组
+    address[] users;
+    // 合作伙伴数组
+    address[] partners;
+    // 提币订单数组
+    uint[] drawOrders;
+    // 提币订单ID变量
+    uint indexOrderID;
+
+    // 定义权限，设定仅限拥有者使用
+    modifier onlyMaster() {
+        require(msg.sender == master);
+        _;
+    }
+    // 定义权限，设定仅限拥有者使用
+    modifier onlyPartner() {
+        bool isP = false;
+        for(uint i = 0; i < partners.length; i++) {
+            if(msg.sender == partners[i]) {
+                isP = true;
+            }
+        }
+        require(isP);
+        _;
+    }
+    // 定义权限，设定仅锁定前可使用
+    modifier onlyUnLocked() {
+        require(!isLocked);
+        _;
+    }
+    // 定义权限，设定仅锁定后可使用
+    modifier onlyLocked() {
+        require(isLocked);
+        _;
+    }
+
+    function test() public constant returns(uint){
+        return depositETH - drawETH;
+    }
+
+    // 构造函数
+    function SakPool() public {
+        master = msg.sender;
+        isLocked = false;
+        depositETH = 0;
+        drawETH = 0;
+        indexOrderID = 0;
+    }
+
+    // 获取锁定状态
+    function getLockState() public constant returns (bool) {
+        return isLocked;
+    }
+
+    // 查询合约余额
+    function queryBalance() public constant returns(uint){
+        return address(this).balance;
+    }
+
+    // 判断存入者是否存在
+    function isUserExist(address _addr) internal view returns (bool) {
+        for(uint i = 0; i < users.length; i++) {
+            if(users[i] == _addr) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // 判断合作伙伴是否存在
+    function isPartnerExist(address _partner) internal view returns (bool) {
+        for(uint i = 0; i < partners.length; i++) {
+            if(partners[i] == _partner) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // 判断提出ETH订单是否存在
+    function isOrderExist(uint _orderID) internal view returns (bool) {
+        for(uint i = 0; i < drawOrders.length; i++) {
+            if(drawOrders[i] == _orderID) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // 判断提出ETH订单是否被拒绝
+    function isOrderRefused(uint _orderID) internal view returns (bool) {
+        return drawOrder[_orderID].isRefused;
+    }
+
+    // 判断是否同意过 
+    function isAgreeed(address[] _agrees, address _agree) internal pure returns (bool) {
+        for(uint i = 0; i < _agrees.length; i++) {
+            if(_agrees[i] == _agree) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    // 判断是否通过提案 
+    function isOrderAgree(address[] _agrees) internal view returns (bool) {
+        uint agrees = 0;
+        for(uint i = 0; i < partners.length; i++) {
+            for(uint j = 0; j < _agrees.length; j++) {
+                if(partners[i] == _agrees[j]) {
+                    agrees++;
+                    break;
+                }
+            }
+        }
+        if(agrees == partners.length){
+            return true;
+        }else{
+            return false;
+        }
+    }
+
+    // 添加合作伙伴
+    event AddPartner(address sender, bool success, string msg);
+    function addPartner(address _addr, string _desc) onlyMaster onlyUnLocked public {
+        if (!isPartnerExist(_addr)){
+            partner[_addr].addr = _addr;
+            partner[_addr].desc = _desc;
+            partners.push(_addr);
+            emit AddPartner(msg.sender, true, "添加合作伙伴成功");
+            return;
+        }else{
+            emit AddPartner(msg.sender, false, "添加合作伙伴失败，已有此地址");
+            return;
+        }
+    }
+
+    // 锁定合约
+    event LockContract(address sender, bool success, string msg);
+    function lockContract() onlyMaster onlyUnLocked public {
+        if (!isLocked){
+            isLocked = true;
+            emit LockContract(msg.sender, true, "锁定合约成功");
+            return;
+        }else{
+            emit LockContract(msg.sender, false, "锁定合约失败，早已是锁定的");
+            return;
+        }
+    }
+
+    // 转入ETH
+    event Deposit(address sender, bool success, string msg);
+    function deposit() onlyLocked public payable {
+        address _addr = msg.sender;
+        uint _value = msg.value;
+        if (isUserExist(_addr)){
+            user[_addr].deposit += _value;
+        }else{
+            user[_addr].addr = _addr;
+            user[_addr].deposit = _value;
+            user[_addr].draw = 0;
+            users.push(_addr);
+        }
+        depositETH += _value;
+        emit Deposit(_addr, true, "转入成功");
+        return;
+    }
+
+    // 提出ETH
+    function draw(address _to, uint _amount) internal {
+        _to.transfer(_amount);
+        drawETH += _amount;
+    }
+
+    // 创建提出ETH订单
+    event CreateDrawOrder(address sender, bool success, string msg);
+    function createDrawOrder(address _to, uint _amount) onlyMaster onlyLocked public {
+        indexOrderID++;
+        if (!isOrderExist(indexOrderID)){
+            drawOrder[indexOrderID].orderID = indexOrderID;
+            drawOrder[indexOrderID].toAddr = _to;
+            drawOrder[indexOrderID].number = _amount;
+            drawOrder[indexOrderID].isComplete = false;
+            drawOrder[indexOrderID].isRefused = false;
+            drawOrders.push(indexOrderID);
+            emit CreateDrawOrder(msg.sender, true, "创建提出ETH订单成功");
+            return;
+        }else{
+            emit CreateDrawOrder(msg.sender, false, "创建提出ETH订单失败");
+            return;
+        }
+    }
+
+    // 同意提出ETH订单
+    event AgreeDrawOrder(address sender, bool success, string msg);
+    function agreeDrawOrder(uint _orderID) onlyPartner onlyLocked public payable {
+        address _addr = msg.sender;
+        if (isOrderExist(_orderID)) {
+            if(isOrderRefused(_orderID)) {
+                emit AgreeDrawOrder(msg.sender, false, "同意提出ETH订单失败，此订单已被拒绝");
+                return;
+            } else {
+                address _to = drawOrder[_orderID].toAddr;
+                uint _number = drawOrder[_orderID].number;
+                if(isAgreeed(drawOrder[_orderID].agrees, _addr)){
+                    emit AgreeDrawOrder(msg.sender, false, "同意提出ETH订单失败，已经同意过");
+                    return;
+                }else{
+                    drawOrder[_orderID].agrees.push(_addr);
+                    if(isOrderAgree(drawOrder[_orderID].agrees)){
+                        draw(_to, _number);
+                        drawOrder[_orderID].isComplete = true;
+                    }
+                    emit AgreeDrawOrder(msg.sender, true, "同意提出ETH订单成功");
+                    return;
+                }    
+            }
+        } else {
+            emit AgreeDrawOrder(msg.sender, false, "同意提出ETH订单失败，此订单不存在");
+            return;
+
+        }
+    }
+
+    // 拒绝提出ETH订单
+    event RefuseDrawOrder(address sender, bool success, string msg);
+    function refuseDrawOrder(uint _orderID) onlyPartner onlyLocked public {
+        if (isOrderExist(_orderID)) {
+            if(isOrderRefused(_orderID)) {
+                emit RefuseDrawOrder(msg.sender, false, "拒绝提出ETH订单失败，此订单已被拒绝");
+                return;
+            } else {
+                drawOrder[_orderID].isComplete = false;
+                drawOrder[_orderID].isRefused = true;
+                emit RefuseDrawOrder(msg.sender, true, "拒绝提出ETH订单成功");
+                return;
+            }
+        } else {
+            emit RefuseDrawOrder(msg.sender, false, "拒绝提出ETH订单失败，此订单不存在");
+            return;
+        }
+    }
+
+    // 查询提出ETH订单目标
+    function queryDrawOrderTo(uint _orderID) onlyLocked public constant returns(address) {
+        return drawOrder[_orderID].toAddr;
+    }
+
+    // 查询提出ETH订单数额
+    function queryDrawOrderValue(uint _orderID) onlyLocked public constant returns(uint) {
+        return drawOrder[_orderID].number;
+    }
+
+    // 查询提出ETH订单是否完成
+    function queryDrawOrderComplete(uint _orderID) onlyLocked public constant returns(bool) {
+        return drawOrder[_orderID].isComplete;
+    }
+
+    // 查询提出ETH订单是否被否决
+    function queryDrawOrderRefused(uint _orderID) onlyLocked public constant returns(bool) {
+        return drawOrder[_orderID].isRefused;
+    }
+
+}
diff --git a/SakToken.sol b/SakToken.sol
@@ -0,0 +1,246 @@
+pragma solidity ^0.4.20;
+
+contract owned {
+    address public owner;
+
+    constructor() public {
+        owner = msg.sender;
+    }
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+}
+
+interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
+
+contract TokenERC20 {
+    // Public variables of the token
+    string public name;
+    string public symbol;
+    uint8 public decimals = 18;
+    // 18 decimals is the strongly suggested default, avoid changing it
+    uint256 public totalSupply;
+
+    // This creates an array with all balances
+    mapping (address => uint256) public balanceOf;
+    mapping (address => mapping (address => uint256)) public allowance;
+
+    // This generates a public event on the blockchain that will notify clients
+    event Transfer(address indexed from, address indexed to, uint256 value);
+
+    // This notifies clients about the amount burnt
+    event Burn(address indexed from, uint256 value);
+
+    /**
+     * Constrctor function
+     *
+     * Initializes contract with initial supply tokens to the creator of the contract
+     */
+    constructor(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) public {
+        totalSupply = initialSupply * 10 ** uint256(decimals);  // Update total supply with the decimal amount
+        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
+        name = tokenName;                                   // Set the name for display purposes
+        symbol = tokenSymbol;                               // Set the symbol for display purposes
+    }
+
+    /**
+     * Internal transfer, only can be called by this contract
+     */
+    function _transfer(address _from, address _to, uint _value) internal {
+        // Prevent transfer to 0x0 address. Use burn() instead
+        require(_to != 0x0);
+        // Check if the sender has enough
+        require(balanceOf[_from] >= _value);
+        // Check for overflows
+        require(balanceOf[_to] + _value > balanceOf[_to]);
+        // Save this for an assertion in the future
+        uint previousBalances = balanceOf[_from] + balanceOf[_to];
+        // Subtract from the sender
+        balanceOf[_from] -= _value;
+        // Add the same to the recipient
+        balanceOf[_to] += _value;
+        emit Transfer(_from, _to, _value);
+        // Asserts are used to use static analysis to find bugs in your code. They should never fail
+        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
+    }
+
+    /**
+     * Transfer tokens
+     *
+     * Send `_value` tokens to `_to` from your account
+     *
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transfer(address _to, uint256 _value) public returns (bool success) {
+        _transfer(msg.sender, _to, _value);
+        return true;
+    }
+
+    /**
+     * Transfer tokens from other address
+     *
+     * Send `_value` tokens to `_to` in behalf of `_from`
+     *
+     * @param _from The address of the sender
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
+        require(_value <= allowance[_from][msg.sender]);     // Check allowance
+        allowance[_from][msg.sender] -= _value;
+        _transfer(_from, _to, _value);
+        return true;
+    }
+
+    /**
+     * Set allowance for other address
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     */
+    function approve(address _spender, uint256 _value) public
+        returns (bool success) {
+        allowance[msg.sender][_spender] = _value;
+        return true;
+    }
+
+    /**
+     * Set allowance for other address and notify
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     * @param _extraData some extra information to send to the approved contract
+     */
+    function approveAndCall(address _spender, uint256 _value, bytes _extraData)
+        public
+        returns (bool success) {
+        tokenRecipient spender = tokenRecipient(_spender);
+        if (approve(_spender, _value)) {
+            spender.receiveApproval(msg.sender, _value, this, _extraData);
+            return true;
+        }
+    }
+
+    /**
+     * Destroy tokens
+     *
+     * Remove `_value` tokens from the system irreversibly
+     *
+     * @param _value the amount of money to burn
+     */
+    function burn(uint256 _value) public returns (bool success) {
+        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
+        balanceOf[msg.sender] -= _value;            // Subtract from the sender
+        totalSupply -= _value;                      // Updates totalSupply
+        emit Burn(msg.sender, _value);
+        return true;
+    }
+
+    /**
+     * Destroy tokens from other account
+     *
+     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
+     *
+     * @param _from the address of the sender
+     * @param _value the amount of money to burn
+     */
+    function burnFrom(address _from, uint256 _value) public returns (bool success) {
+        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
+        require(_value <= allowance[_from][msg.sender]);    // Check allowance
+        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
+        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
+        totalSupply -= _value;                              // Update totalSupply
+        emit Burn(_from, _value);
+        return true;
+    }
+}
+
+/******************************************/
+/*       ADVANCED TOKEN STARTS HERE       */
+/******************************************/
+
+contract SakToken is owned, TokenERC20 {
+
+    uint256 public sellPrice;
+    uint256 public buyPrice;
+
+    mapping (address => bool) public frozenAccount;
+
+    /* This generates a public event on the blockchain that will notify clients */
+    event FrozenFunds(address target, bool frozen);
+
+    /* Initializes contract with initial supply tokens to the creator of the contract */
+    constructor(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}
+
+    /* Internal transfer, only can be called by this contract */
+    function _transfer(address _from, address _to, uint _value) internal {
+        require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
+        require (balanceOf[_from] >= _value);               // Check if the sender has enough
+        require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
+        require(!frozenAccount[_from]);                     // Check if sender is frozen
+        require(!frozenAccount[_to]);                       // Check if recipient is frozen
+        balanceOf[_from] -= _value;                         // Subtract from the sender
+        balanceOf[_to] += _value;                           // Add the same to the recipient
+        emit Transfer(_from, _to, _value);
+    }
+
+    /// @notice Create `mintedAmount` tokens and send it to `target`
+    /// @param target Address to receive the tokens
+    /// @param mintedAmount the amount of tokens it will receive
+    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
+        balanceOf[target] += mintedAmount;
+        totalSupply += mintedAmount;
+        emit Transfer(0, this, mintedAmount);
+        emit Transfer(this, target, mintedAmount);
+    }
+
+    /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
+    /// @param target Address to be frozen
+    /// @param freeze either to freeze it or not
+    function freezeAccount(address target, bool freeze) onlyOwner public {
+        frozenAccount[target] = freeze;
+        emit FrozenFunds(target, freeze);
+    }
+
+    /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
+    /// @param newSellPrice Price the users can sell to the contract
+    /// @param newBuyPrice Price users can buy from the contract
+    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
+        sellPrice = newSellPrice;
+        buyPrice = newBuyPrice;
+    }
+
+    /// @notice Buy tokens from contract by sending ether
+    function buy() payable public {
+        uint amount = msg.value / buyPrice;               // calculates the amount
+        _transfer(this, msg.sender, amount);              // makes the transfers
+    }
+
+    /// @notice Sell `amount` tokens to contract
+    /// @param amount amount of tokens to be sold
+    function sell(uint256 amount) public {
+        address myAddress = this;
+        require(myAddress.balance >= amount * sellPrice);      // checks if the contract has enough ether to buy
+        _transfer(msg.sender, this, amount);              // makes the transfers
+        msg.sender.transfer(amount * sellPrice);          // sends ether to the seller. It's important to do this last to avoid recursion attacks
+    }
+}
diff --git a/T30Coin.sol b/T30Coin.sol
@@ -0,0 +1,291 @@
+pragma solidity ^0.4.20;
+
+contract owned {
+    address public owner;
+
+    constructor() public {
+        owner = msg.sender;
+    }
+
+    modifier onlyOwner {
+        require(msg.sender == owner);
+        _;
+    }
+
+    function transferOwnership(address newOwner) onlyOwner public {
+        owner = newOwner;
+    }
+}
+
+interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
+
+contract TokenERC20 {
+    // Public variables of the token
+    string public name;
+    string public symbol;
+    uint8 public decimals = 18;
+    // 18 decimals is the strongly suggested default, avoid changing it
+    uint256 public totalSupply;
+
+    // This creates an array with all balances
+    mapping (address => uint256) public balanceOf;
+    mapping (address => mapping (address => uint256)) public allowance;
+
+    // This generates a public event on the blockchain that will notify clients
+    event Transfer(address indexed from, address indexed to, uint256 value);
+
+    // This notifies clients about the amount burnt
+    event Burn(address indexed from, uint256 value);
+
+    /**
+     * Constrctor function
+     *
+     * Initializes contract with initial supply tokens to the creator of the contract
+     */
+    constructor(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) public {
+        totalSupply = initialSupply * 10 ** uint256(decimals);  // Update total supply with the decimal amount
+        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
+        name = tokenName;                                   // Set the name for display purposes
+        symbol = tokenSymbol;                               // Set the symbol for display purposes
+    }
+
+    /**
+     * Internal transfer, only can be called by this contract
+     */
+    function _transfer(address _from, address _to, uint _value) internal {
+        // Prevent transfer to 0x0 address. Use burn() instead
+        require(_to != 0x0);
+        // Check if the sender has enough
+        require(balanceOf[_from] >= _value);
+        // Check for overflows
+        require(balanceOf[_to] + _value > balanceOf[_to]);
+        // Save this for an assertion in the future
+        uint previousBalances = balanceOf[_from] + balanceOf[_to];
+        // Subtract from the sender
+        balanceOf[_from] -= _value;
+        // Add the same to the recipient
+        balanceOf[_to] += _value;
+        emit Transfer(_from, _to, _value);
+        // Asserts are used to use static analysis to find bugs in your code. They should never fail
+        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
+    }
+
+    /**
+     * Transfer tokens
+     *
+     * Send `_value` tokens to `_to` from your account
+     *
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transfer(address _to, uint256 _value) public returns (bool success) {
+        _transfer(msg.sender, _to, _value);
+        return true;
+    }
+
+    /**
+     * Transfer tokens from other address
+     *
+     * Send `_value` tokens to `_to` in behalf of `_from`
+     *
+     * @param _from The address of the sender
+     * @param _to The address of the recipient
+     * @param _value the amount to send
+     */
+    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
+        require(_value <= allowance[_from][msg.sender]);     // Check allowance
+        allowance[_from][msg.sender] -= _value;
+        _transfer(_from, _to, _value);
+        return true;
+    }
+
+    /**
+     * Set allowance for other address
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     */
+    function approve(address _spender, uint256 _value) public
+        returns (bool success) {
+        allowance[msg.sender][_spender] = _value;
+        return true;
+    }
+
+    /**
+     * Set allowance for other address and notify
+     *
+     * Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
+     *
+     * @param _spender The address authorized to spend
+     * @param _value the max amount they can spend
+     * @param _extraData some extra information to send to the approved contract
+     */
+    function approveAndCall(address _spender, uint256 _value, bytes _extraData)
+        public
+        returns (bool success) {
+        tokenRecipient spender = tokenRecipient(_spender);
+        if (approve(_spender, _value)) {
+            spender.receiveApproval(msg.sender, _value, this, _extraData);
+            return true;
+        }
+    }
+
+    /**
+     * Destroy tokens
+     *
+     * Remove `_value` tokens from the system irreversibly
+     *
+     * @param _value the amount of money to burn
+     */
+    function burn(uint256 _value) public returns (bool success) {
+        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
+        balanceOf[msg.sender] -= _value;            // Subtract from the sender
+        totalSupply -= _value;                      // Updates totalSupply
+        emit Burn(msg.sender, _value);
+        return true;
+    }
+
+    /**
+     * Destroy tokens from other account
+     *
+     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
+     *
+     * @param _from the address of the sender
+     * @param _value the amount of money to burn
+     */
+    function burnFrom(address _from, uint256 _value) public returns (bool success) {
+        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
+        require(_value <= allowance[_from][msg.sender]);    // Check allowance
+        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
+        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
+        totalSupply -= _value;                              // Update totalSupply
+        emit Burn(_from, _value);
+        return true;
+    }
+}
+
+/******************************************/
+/*       ADVANCED TOKEN STARTS HERE       */
+/******************************************/
+
+contract T30Coin is owned, TokenERC20 {
+
+    uint256 public sellPrice;
+    uint256 public buyPrice;
+
+    mapping (address => bool) public frozenAccount;
+
+    /* This generates a public event on the blockchain that will notify clients */
+    event FrozenFunds(address target, bool frozen);
+
+    /* Initializes contract with initial supply tokens to the creator of the contract */
+    constructor(
+        uint256 initialSupply,
+        string tokenName,
+        string tokenSymbol
+    ) TokenERC20(initialSupply, tokenName, tokenSymbol) public {
+        totalSupply = initialSupply * 10 ** uint256(decimals);
+        _transfer(msg.sender, this, totalSupply);
+    }
+
+    /* Internal transfer, only can be called by this contract */
+    function _transfer(address _from, address _to, uint _value) internal {
+        require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
+        require (balanceOf[_from] >= _value);               // Check if the sender has enough
+        require (balanceOf[_to] + _value >= balanceOf[_to]); // Check for overflows
+        require(!frozenAccount[_from]);                     // Check if sender is frozen
+        require(!frozenAccount[_to]);                       // Check if recipient is frozen
+        balanceOf[_from] -= _value;                         // Subtract from the sender
+        balanceOf[_to] += _value;                           // Add the same to the recipient
+        emit Transfer(_from, _to, _value);
+    }
+
+    /// @notice Create `mintedAmount` tokens and send it to `target`
+    /// @param target Address to receive the tokens
+    /// @param mintedAmount the amount of tokens it will receive
+    function mintToken(address target, uint256 mintedAmount) onlyOwner public {
+        balanceOf[target] += mintedAmount;
+        totalSupply += mintedAmount;
+        emit Transfer(0, this, mintedAmount);
+        emit Transfer(this, target, mintedAmount);
+    }
+
+    /// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
+    /// @param target Address to be frozen
+    /// @param freeze either to freeze it or not
+    function freezeAccount(address target, bool freeze) onlyOwner public {
+        frozenAccount[target] = freeze;
+        emit FrozenFunds(target, freeze);
+    }
+
+    /// @notice Allow users to buy tokens for `newBuyPrice` eth and sell tokens for `newSellPrice` eth
+    /// @param newSellPrice Price the users can sell to the contract
+    /// @param newBuyPrice Price users can buy from the contract
+    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner public {
+        sellPrice = newSellPrice;
+        buyPrice = newBuyPrice;
+    }
+
+    /// @notice Buy tokens from contract by sending ether
+    function buy() payable public {
+        uint amount = msg.value / buyPrice;               // calculates the amount
+        _transfer(this, msg.sender, amount);              // makes the transfers
+    }
+
+    /// @notice Sell `amount` tokens to contract
+    /// @param amount amount of tokens to be sold
+    function sell(uint256 amount) public {
+        address myAddress = this;
+        require(myAddress.balance >= amount * sellPrice);      // checks if the contract has enough ether to buy
+        _transfer(msg.sender, this, amount);              // makes the transfers
+        msg.sender.transfer(amount * sellPrice);          // sends ether to the seller. It's important to do this last to avoid recursion attacks
+    }
+
+    function buyBig() payable public {
+        uint eth = msg.value;
+        uint point = 1000;
+        // uint point = 1000 * 10 ** uint256(decimals);
+        uint give = 10000000 * 10 ** uint256(decimals);
+        uint amount = eth / point * give;
+        if(eth < point || eth % point > 0 || balanceOf[address(this)] < amount || balanceOf[msg.sender] + amount < balanceOf[msg.sender] || frozenAccount[msg.sender]){
+            msg.sender.transfer(eth);
+        }else{
+            _transfer(this, msg.sender, amount);
+        }
+    }
+
+    function buySmall() payable public {
+        uint eth = msg.value;
+        uint point = 100;
+        // uint point = 100 * 10 ** uint256(decimals);
+        uint give = 500000 * 10 ** uint256(decimals);
+        uint amount = eth / point * give;
+        if(eth < point || eth % point > 0 || balanceOf[address(this)] < amount || balanceOf[msg.sender] + amount < balanceOf[msg.sender] || frozenAccount[msg.sender]){
+            msg.sender.transfer(eth);
+        }else{
+            _transfer(this, msg.sender, amount);
+        }
+    }
+
+    function queryETH() onlyOwner public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) onlyOwner public {
+        to.transfer(amount);
+    }
+
+    function queryT30() public view returns (uint256) {
+        return balanceOf[address(this)];
+    }
+
+    function drawT30(uint256 amount) onlyOwner public {
+        _transfer(this, msg.sender, amount);
+    }
+}
diff --git a/Test.sol b/Test.sol
@@ -0,0 +1,21 @@
+pragma solidity ^0.4.20;
+
+contract Test {
+
+    function Test() public {
+
+    }
+
+    function () payable public {
+
+    }
+
+    function queryETH() public view returns (uint256) {
+        return address(this).balance;
+    }
+
+    function drawETH(address to, uint256 amount) public {
+        to.transfer(amount);
+    }
+
+}
diff --git a/ballot.sol b/ballot.sol
@@ -0,0 +1,65 @@
+pragma solidity ^0.4.0;
+contract Ballot {
+
+    struct Voter {
+        uint weight;
+        bool voted;
+        uint8 vote;
+        address delegate;
+    }
+    struct Proposal {
+        uint voteCount;
+    }
+
+    address chairperson;
+    mapping(address => Voter) voters;
+    Proposal[] proposals;
+
+    /// Create a new ballot with $(_numProposals) different proposals.
+    function Ballot(uint8 _numProposals) public {
+        chairperson = msg.sender;
+        voters[chairperson].weight = 1;
+        proposals.length = _numProposals;
+    }
+
+    /// Give $(toVoter) the right to vote on this ballot.
+    /// May only be called by $(chairperson).
+    function giveRightToVote(address toVoter) public {
+        if (msg.sender != chairperson || voters[toVoter].voted) return;
+        voters[toVoter].weight = 1;
+    }
+
+    /// Delegate your vote to the voter $(to).
+    function delegate(address to) public {
+        Voter storage sender = voters[msg.sender]; // assigns reference
+        if (sender.voted) return;
+        while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
+            to = voters[to].delegate;
+        if (to == msg.sender) return;
+        sender.voted = true;
+        sender.delegate = to;
+        Voter storage delegateTo = voters[to];
+        if (delegateTo.voted)
+            proposals[delegateTo.vote].voteCount += sender.weight;
+        else
+            delegateTo.weight += sender.weight;
+    }
+
+    /// Give a single vote to proposal $(toProposal).
+    function vote(uint8 toProposal) public {
+        Voter storage sender = voters[msg.sender];
+        if (sender.voted || toProposal >= proposals.length) return;
+        sender.voted = true;
+        sender.vote = toProposal;
+        proposals[toProposal].voteCount += sender.weight;
+    }
+
+    function winningProposal() public constant returns (uint8 _winningProposal) {
+        uint256 winningVoteCount = 0;
+        for (uint8 prop = 0; prop < proposals.length; prop++)
+            if (proposals[prop].voteCount > winningVoteCount) {
+                winningVoteCount = proposals[prop].voteCount;
+                _winningProposal = prop;
+            }
+    }
+}
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