41 lines
1.0 KiB
Solidity
41 lines
1.0 KiB
Solidity
// SPDX-License-Identifier: MIT
|
|
|
|
pragma solidity ^0.8.0;
|
|
|
|
import "../utils/CountersUpgradeable.sol";
|
|
import "../proxy/utils/Initializable.sol";
|
|
|
|
contract CountersImplUpgradeable is Initializable {
|
|
function __CountersImpl_init() internal onlyInitializing {
|
|
}
|
|
|
|
function __CountersImpl_init_unchained() internal onlyInitializing {
|
|
}
|
|
using CountersUpgradeable for CountersUpgradeable.Counter;
|
|
|
|
CountersUpgradeable.Counter private _counter;
|
|
|
|
function current() public view returns (uint256) {
|
|
return _counter.current();
|
|
}
|
|
|
|
function increment() public {
|
|
_counter.increment();
|
|
}
|
|
|
|
function decrement() public {
|
|
_counter.decrement();
|
|
}
|
|
|
|
function reset() public {
|
|
_counter.reset();
|
|
}
|
|
|
|
/**
|
|
* This empty reserved space is put in place to allow future versions to add new
|
|
* variables without shifting down storage in the inheritance chain.
|
|
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
|
|
*/
|
|
uint256[49] private __gap;
|
|
}
|