文件 1 的 1:ImmAirDropA.sol
pragma solidity ^0.4.21;
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a / b;
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
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 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 ImmAirDropA{
using SafeMath for uint256;
uint256 public decimals = 18;
address public owner;
address public wallet;
ERC20 public token;
mapping (address => bool) public admins;
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function ImmAirDropA(ERC20 _token, address _wallet) public {
require(_token != address(0));
token = _token;
admins[msg.sender] = true;
owner = msg.sender;
wallet = _wallet;
}
modifier onlyAdmin {
require(admins[msg.sender]);
_;
}
function addAdminWhitelist(address _userlist) public onlyOwner onlyAdmin{
if(_userlist != address(0) && !admins[_userlist]){
admins[_userlist] = true;
}
}
function reClaimBalance() public onlyAdmin{
uint256 taBal = token.balanceOf(this);
token.transfer(wallet, taBal);
}
function adminUpdateWallet(address _wallet) public onlyAdmin{
require(_wallet != address(0));
wallet = _wallet;
}
function adminUpdateToken(ERC20 _token) public onlyOwner{
require(_token != address(0));
token = _token;
}
function signupUserWhitelist(address[] _userlist, uint256 _amttype) public onlyAdmin{
require(_userlist.length > 0);
uint256 useamt = _amttype * (10 ** uint256(decimals));
for (uint256 i = 0; i < _userlist.length; i++) {
if(_userlist[i] != address(0)){
token.transfer(_userlist[i], useamt);
}
}
}
function () external payable {
revert();
}
}
{
"compilationTarget": {
"ImmAirDropA.sol": "ImmAirDropA"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}