Merge pull request #279 from solidstate-network/erc-5313

Add `ERC5313` interfaces

Author: ItsNickBarry

contracts/access/ownable/Ownable.sol

@@ -3,6 +3,7 @@
 pragma solidity ^0.8.20;
 
 import { IERC173 } from '../../interfaces/IERC173.sol';
+import { IERC5313 } from '../../interfaces/IERC5313.sol';
 import { IOwnable } from './IOwnable.sol';
 import { _Ownable } from './_Ownable.sol';
 
@@ -11,7 +12,7 @@ import { _Ownable } from './_Ownable.sol';
  */
 abstract contract Ownable is IOwnable, _Ownable {
     /**
-     * @inheritdoc IERC173
+     * @inheritdoc IERC5313
      */
     function owner() external view returns (address) {
         return _owner();

contracts/interfaces/IERC173.sol

@@ -3,18 +3,13 @@
 pragma solidity ^0.8.20;
 
 import { _IERC173 } from './_IERC173.sol';
+import { IERC5313 } from './IERC5313.sol';
 
 /**
  * @title Contract ownership standard interface
  * @dev see https://eips.ethereum.org/EIPS/eip-173
  */
-interface IERC173 is _IERC173 {
-    /**
-     * @notice get the ERC173 contract owner
-     * @return contract owner
-     */
-    function owner() external view returns (address);
-
+interface IERC173 is _IERC173, IERC5313 {
     /**
      * @notice transfer contract ownership to new account
      * @param account address of new owner

contracts/interfaces/IERC5313.sol

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+import { _IERC5313 } from './_IERC5313.sol';
+
+/**
+ * @title Minimal contract ownership standard interface
+ * @dev see https://eips.ethereum.org/EIPS/eip-5313
+ */
+interface IERC5313 is _IERC5313 {
+    /**
+     * @notice query the ERC173/ERC5313 contract owner
+     * @return owner contract owner
+     */
+    function owner() external view returns (address owner);
+}

contracts/interfaces/_IERC173.sol

@@ -2,10 +2,12 @@
 
 pragma solidity ^0.8.20;
 
+import { _IERC5313 } from './_IERC5313.sol';
+
 /**
  * @title Partial ERC173 interface needed by internal functions
  */
-interface _IERC173 {
+interface _IERC173 is _IERC5313 {
     event OwnershipTransferred(
         address indexed previousOwner,
         address indexed newOwner

contracts/interfaces/_IERC5313.sol

@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+interface _IERC5313 {}