optimism-bridge-snt/contracts/optimism/Semver.sol

41 lines
1.2 KiB
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";
/// @title Semver
/// @notice Semver is a simple contract for managing contract versions.
contract Semver {
/// @notice Contract version number (major).
uint256 private immutable MAJOR_VERSION;
/// @notice Contract version number (minor).
uint256 private immutable MINOR_VERSION;
/// @notice Contract version number (patch).
uint256 private immutable PATCH_VERSION;
/// @param _major Version number (major).
/// @param _minor Version number (minor).
/// @param _patch Version number (patch).
constructor(uint256 _major, uint256 _minor, uint256 _patch) {
MAJOR_VERSION = _major;
MINOR_VERSION = _minor;
PATCH_VERSION = _patch;
}
/// @notice Returns the full semver contract version.
/// @return Semver contract version as a string.
function version() public view returns (string memory) {
return string(
abi.encodePacked(
Strings.toString(MAJOR_VERSION),
".",
Strings.toString(MINOR_VERSION),
".",
Strings.toString(PATCH_VERSION)
)
);
}
}