29 lines
751 B
Solidity
29 lines
751 B
Solidity
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// SPDX-License-Identifier: MIT
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pragma solidity ^0.6.12;
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/**
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* @dev Ownable contract that wouldn't use any existing storage slots
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*/
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library OwnableLibrary {
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struct OwnerStorage {
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address owner;
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}
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bytes32 private constant OwnerStorageLocation = keccak256(abi.encode(uint256(keccak256("tornado.storage.owner"))));
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function _getOwnerStorage() private pure returns (OwnerStorage storage pointer) {
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bytes32 slot = OwnerStorageLocation;
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assembly {
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pointer_slot := slot
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}
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}
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function setOwner(address _owner) internal {
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_getOwnerStorage().owner = _owner;
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}
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function getOwner() internal view returns (address owner) {
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owner = _getOwnerStorage().owner;
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}
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}
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