I
Size: a a a
I
EG

I
it
AF
contract ServiceERC20 {
uint256 _fee_per_block,
mapping(address => uint256) _users_from_block;
mapping(address => uint256) _balances;
function balanceOf(address owner) public view returns (uint256) {
uint256 interval = block.number - _users_from_block[owner];
uint256 balance = _balances[owner];
return balance - _fee_per_block * interval;
}
}
AF
_users_from_block` - это с какого блока юзер пользовалсяMD
DO
DO
LL
DG
LL
MD
AC
MD
I