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July 10, 2018 06:09
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Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=
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pragma solidity ^0.4.23; | |
contract Ownable { | |
address public owner; | |
event OwnershipTransferred( | |
address indexed previousOwner, | |
address indexed newOwner | |
); | |
/** | |
* @dev The Ownable constructor sets the original `owner` of the contract to the sender | |
* account. | |
*/ | |
constructor() public { | |
owner = msg.sender; | |
} | |
/** | |
* @dev Throws if called by any account other than the owner. | |
*/ | |
modifier onlyOwner() { | |
require(msg.sender == owner); | |
_; | |
} | |
/** | |
* @dev Allows the current owner to transfer control of the contract to a newOwner. | |
* @param newOwner The address to transfer ownership to. | |
*/ | |
function transferOwnership(address newOwner) public onlyOwner { | |
require(newOwner != address(0)); | |
emit OwnershipTransferred(owner, newOwner); | |
owner = newOwner; | |
} | |
} | |
library SafeMath { | |
/** | |
* @dev Multiplies two numbers, throws on overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) { | |
if (a == 0) { | |
return 0; | |
} | |
c = a * b; | |
assert(c / a == b); | |
return c; | |
} | |
/** | |
* @dev Integer division of two numbers, truncating the quotient. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
// assert(b > 0); // Solidity automatically throws when dividing by 0 | |
// uint256 c = a / b; | |
// assert(a == b * c + a % b); // There is no case in which this doesn't hold | |
return a / b; | |
} | |
/** | |
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend). | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
assert(b <= a); | |
return a - b; | |
} | |
/** | |
* @dev Adds two numbers, throws on overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256 c) { | |
c = a + b; | |
assert(c >= a); | |
return c; | |
} | |
} | |
contract Pausable is Ownable { | |
event Pause(); | |
event Unpause(); | |
bool public paused = false; | |
/** | |
* @dev Modifier to make a function callable only when the contract is not paused. | |
*/ | |
modifier whenNotPaused() { | |
require(!paused); | |
_; | |
} | |
/** | |
* @dev Modifier to make a function callable only when the contract is paused. | |
*/ | |
modifier whenPaused() { | |
require(paused); | |
_; | |
} | |
/** | |
* @dev called by the owner to pause, triggers stopped state | |
*/ | |
function pause() onlyOwner whenNotPaused public { | |
paused = true; | |
emit Pause(); | |
} | |
/** | |
* @dev called by the owner to unpause, returns to normal state | |
*/ | |
function unpause() onlyOwner whenPaused public { | |
paused = false; | |
emit Unpause(); | |
} | |
} | |
contract ERC20Basic { | |
function totalSupply() public view returns (uint256); | |
function balanceOf(address who) public view returns (uint256); | |
function transfer(address to, uint256 value) public returns (bool); | |
event Transfer(address indexed from, address indexed to, uint256 value); | |
} | |
contract BasicToken is ERC20Basic { | |
using SafeMath for uint256; | |
mapping(address => uint256) balances; | |
uint256 totalSupply_; | |
/** | |
* @dev total number of tokens in existence | |
*/ | |
function totalSupply() public view returns (uint256) { | |
return totalSupply_; | |
} | |
/** | |
* @dev transfer token for a specified address | |
* @param _to The address to transfer to. | |
* @param _value The amount to be transferred. | |
*/ | |
function transfer(address _to, uint256 _value) public returns (bool) { | |
require(_to != address(0)); | |
require(_value <= balances[msg.sender]); | |
balances[msg.sender] = balances[msg.sender].sub(_value); | |
balances[_to] = balances[_to].add(_value); | |
emit Transfer(msg.sender, _to, _value); | |
return true; | |
} | |
/** | |
* @dev Gets the balance of the specified address. | |
* @param _owner The address to query the the balance of. | |
* @return An uint256 representing the amount owned by the passed address. | |
*/ | |
function balanceOf(address _owner) public view returns (uint256) { | |
return balances[_owner]; | |
} | |
} | |
contract ERC20 is ERC20Basic { | |
function allowance(address owner, address spender) | |
public view returns (uint256); | |
function transferFrom(address from, address to, uint256 value) | |
public returns (bool); | |
function approve(address spender, uint256 value) public returns (bool); | |
event Approval( | |
address indexed owner, | |
address indexed spender, | |
uint256 value | |
); | |
} | |
contract StandardToken is ERC20, BasicToken { | |
mapping (address => mapping (address => uint256)) internal allowed; | |
/** | |
* @dev Transfer tokens from one address to another | |
* @param _from address The address which you want to send tokens from | |
* @param _to address The address which you want to transfer to | |
* @param _value uint256 the amount of tokens to be transferred | |
*/ | |
function transferFrom( | |
address _from, | |
address _to, | |
uint256 _value | |
) | |
public | |
returns (bool) | |
{ | |
require(_to != address(0)); | |
require(_value <= balances[_from]); | |
require(_value <= allowed[_from][msg.sender]); | |
balances[_from] = balances[_from].sub(_value); | |
balances[_to] = balances[_to].add(_value); | |
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value); | |
emit Transfer(_from, _to, _value); | |
return true; | |
} | |
/** | |
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender. | |
* | |
* Beware that changing an allowance with this method brings the risk that someone may use both the old | |
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this | |
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards: | |
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 | |
* @param _spender The address which will spend the funds. | |
* @param _value The amount of tokens to be spent. | |
*/ | |
function approve(address _spender, uint256 _value) public returns (bool) { | |
allowed[msg.sender][_spender] = _value; | |
emit Approval(msg.sender, _spender, _value); | |
return true; | |
} | |
/** | |
* @dev Function to check the amount of tokens that an owner allowed to a spender. | |
* @param _owner address The address which owns the funds. | |
* @param _spender address The address which will spend the funds. | |
* @return A uint256 specifying the amount of tokens still available for the spender. | |
*/ | |
function allowance( | |
address _owner, | |
address _spender | |
) | |
public | |
view | |
returns (uint256) | |
{ | |
return allowed[_owner][_spender]; | |
} | |
/** | |
* @dev Increase the amount of tokens that an owner allowed to a spender. | |
* | |
* approve should be called when allowed[_spender] == 0. To increment | |
* allowed value is better to use this function to avoid 2 calls (and wait until | |
* the first transaction is mined) | |
* From MonolithDAO Token.sol | |
* @param _spender The address which will spend the funds. | |
* @param _addedValue The amount of tokens to increase the allowance by. | |
*/ | |
function increaseApproval( | |
address _spender, | |
uint _addedValue | |
) | |
public | |
returns (bool) | |
{ | |
allowed[msg.sender][_spender] = ( | |
allowed[msg.sender][_spender].add(_addedValue)); | |
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); | |
return true; | |
} | |
/** | |
* @dev Decrease the amount of tokens that an owner allowed to a spender. | |
* | |
* approve should be called when allowed[_spender] == 0. To decrement | |
* allowed value is better to use this function to avoid 2 calls (and wait until | |
* the first transaction is mined) | |
* From MonolithDAO Token.sol | |
* @param _spender The address which will spend the funds. | |
* @param _subtractedValue The amount of tokens to decrease the allowance by. | |
*/ | |
function decreaseApproval( | |
address _spender, | |
uint _subtractedValue | |
) | |
public | |
returns (bool) | |
{ | |
uint oldValue = allowed[msg.sender][_spender]; | |
if (_subtractedValue > oldValue) { | |
allowed[msg.sender][_spender] = 0; | |
} else { | |
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue); | |
} | |
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]); | |
return true; | |
} | |
} | |
contract PausableToken is StandardToken, Pausable { | |
mapping( address => uint256 ) public lockaddress; | |
event Locked(address lockaddress,uint256 time); | |
modifier checkLock { | |
uint256 _releaseTime = lockaddress[msg.sender]; | |
require(_releaseTime < block.timestamp); | |
_; | |
} | |
function lockAddress(address target, uint256 time) | |
public | |
onlyOwner | |
{ | |
require(owner != target); | |
lockaddress[target] = time; | |
emit Locked(target, time); | |
} | |
function transfer( | |
address _to, | |
uint256 _value | |
) | |
public | |
whenNotPaused | |
checkLock | |
returns (bool) | |
{ | |
return super.transfer(_to, _value); | |
} | |
function transferFrom( | |
address _from, | |
address _to, | |
uint256 _value | |
) | |
public | |
whenNotPaused | |
checkLock | |
returns (bool) | |
{ | |
return super.transferFrom(_from, _to, _value); | |
} | |
function approve( | |
address _spender, | |
uint256 _value | |
) | |
public | |
whenNotPaused | |
returns (bool) | |
{ | |
return super.approve(_spender, _value); | |
} | |
function increaseApproval( | |
address _spender, | |
uint _addedValue | |
) | |
public | |
whenNotPaused | |
returns (bool success) | |
{ | |
return super.increaseApproval(_spender, _addedValue); | |
} | |
function decreaseApproval( | |
address _spender, | |
uint _subtractedValue | |
) | |
public | |
whenNotPaused | |
returns (bool success) | |
{ | |
return super.decreaseApproval(_spender, _subtractedValue); | |
} | |
} | |
contract MintableToken is PausableToken { | |
event Mint(address indexed to, uint256 amount); | |
event MintFinished(); | |
bool public mintingFinished = false; | |
modifier canMint() { | |
require(!mintingFinished); | |
_; | |
} | |
modifier hasMintPermission() { | |
require(msg.sender == owner); | |
_; | |
} | |
/** | |
* @dev Function to mint tokens | |
* @param _to The address that will receive the minted tokens. | |
* @param _amount The amount of tokens to mint. | |
* @return A boolean that indicates if the operation was successful. | |
*/ | |
function mint( | |
address _to, | |
uint256 _amount | |
) | |
hasMintPermission | |
canMint | |
public | |
returns (bool) | |
{ | |
totalSupply_ = totalSupply_.add(_amount); | |
balances[_to] = balances[_to].add(_amount); | |
emit Mint(_to, _amount); | |
emit Transfer(address(0), _to, _amount); | |
return true; | |
} | |
/** | |
* @dev Function to stop minting new tokens. | |
* @return True if the operation was successful. | |
*/ | |
function finishMinting() onlyOwner canMint public returns (bool) { | |
mintingFinished = true; | |
emit MintFinished(); | |
return true; | |
} | |
} | |
contract Dyss is MintableToken{ | |
string public name; //fancy name: eg Simon Bucks | |
uint8 public decimals; //How many decimals to show. | |
string public symbol; //An identifier: eg SBX | |
constructor( | |
uint256 _initialAmount | |
) public { | |
balances[msg.sender] = _initialAmount; // Give the creator all initial tokens | |
totalSupply_ = _initialAmount; // Update total supply | |
name = "dynamic secuire service"; // Set the name for display purposes | |
decimals = 18; // Amount of decimals for display purposes | |
symbol = "DYSS"; // Set the symbol for display purposes | |
} | |
//禁止向合约转钱 | |
function () public{ | |
require(false); | |
} | |
// 转其他ERC20代币给owner | |
function transferERC20(address contractAddress,uint256 amount) public onlyOwner returns(bool){ | |
return ERC20Basic(contractAddress).transfer(owner,amount); | |
} | |
} |
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pragma solidity ^0.4.0; | |
contract Test { | |
address public owner; | |
address public a; | |
address public b; | |
struct Seed { | |
address x; | |
uint256 y; | |
} | |
Seed s; | |
function Test() { | |
owner = msg.sender; | |
a = 0x1111111111111111111111111111111111111111; | |
b = 0x1111111111111111111111111111111111111112; | |
} | |
function fake_foo(uint256 n) public { | |
s.x = msg.sender; | |
s.y = n; | |
} | |
} |
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