50 lines
1.4 KiB
Solidity
50 lines
1.4 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.4;
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/// @notice Simple single owner authorization mixin.
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/// @author Solmate (https://github.com/Rari-Capital/solmate/blob/main/src/auth/Owned.sol)
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abstract contract Owned {
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/*//////////////////////////////////////////////////////////////
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EVENTS
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//////////////////////////////////////////////////////////////*/
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event OwnerUpdated(
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address indexed user,
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address indexed newOwner
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);
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/*//////////////////////////////////////////////////////////////
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OWNERSHIP STORAGE
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//////////////////////////////////////////////////////////////*/
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address public owner;
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modifier onlyOwner() virtual {
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require(msg.sender == owner, "UNAUTHORIZED");
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_;
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}
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/*//////////////////////////////////////////////////////////////
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CONSTRUCTOR
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//////////////////////////////////////////////////////////////*/
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constructor(address _owner) {
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owner = _owner;
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emit OwnerUpdated(address(0), _owner);
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}
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/*//////////////////////////////////////////////////////////////
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OWNERSHIP LOGIC
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//////////////////////////////////////////////////////////////*/
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function setOwner(
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address newOwner
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) public virtual onlyOwner {
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owner = newOwner;
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emit OwnerUpdated(msg.sender, newOwner);
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}
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}
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