Minimize Solidity pragma versions for interface compatibility (#5727)

contracts/interfaces/IERC1155.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155} from "../token/ERC1155/IERC1155.sol";

contracts/interfaces/IERC1155MetadataURI.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155MetadataURI.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155MetadataURI} from "../token/ERC1155/extensions/IERC1155MetadataURI.sol";

contracts/interfaces/IERC1155Receiver.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155Receiver} from "../token/ERC1155/IERC1155Receiver.sol";

contracts/interfaces/IERC1271.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/IERC1271.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-1271 standard signature validation method for
@@ -13,5 +13,5 @@ interface IERC1271 {
      * @param hash      Hash of the data to be signed
      * @param signature Signature byte array associated with `hash`
      */
-    function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
+    function isValidSignature(bytes32 hash, bytes calldata signature) external view returns (bytes4 magicValue);
 }

contracts/interfaces/IERC1363.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "./IERC20.sol";
 import {IERC165} from "./IERC165.sol";

contracts/interfaces/IERC1363Receiver.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @title IERC1363Receiver

contracts/interfaces/IERC1363Spender.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363Spender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @title IERC1363Spender

contracts/interfaces/IERC165.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 import {IERC165} from "../utils/introspection/IERC165.sol";

contracts/interfaces/IERC1820Implementer.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1820Implementer.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 /**
  * @dev Interface for an ERC-1820 implementer, as defined in the

contracts/interfaces/IERC1820Registry.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1820Registry.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the global ERC-1820 Registry, as defined in the

contracts/interfaces/IERC1967.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.11;
 
 /**
  * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.

contracts/interfaces/IERC20.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 import {IERC20} from "../token/ERC20/IERC20.sol";

contracts/interfaces/IERC20Metadata.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

contracts/interfaces/IERC2309.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2309.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.11;
 
 /**
  * @dev ERC-2309: ERC-721 Consecutive Transfer Extension.

contracts/interfaces/IERC2612.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2612.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20Permit} from "../token/ERC20/extensions/IERC20Permit.sol";
 

contracts/interfaces/IERC2981.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC2981.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../utils/introspection/IERC165.sol";
 

contracts/interfaces/IERC3156.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC3156.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC3156FlashBorrower} from "./IERC3156FlashBorrower.sol";
 import {IERC3156FlashLender} from "./IERC3156FlashLender.sol";

contracts/interfaces/IERC3156FlashBorrower.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC3156FlashBorrower.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-3156 FlashBorrower, as defined in

contracts/interfaces/IERC3156FlashLender.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC3156FlashLender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC3156FlashBorrower} from "./IERC3156FlashBorrower.sol";
 

contracts/interfaces/IERC4626.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/IERC4626.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "../token/ERC20/IERC20.sol";
 import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

contracts/interfaces/IERC4906.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC4906.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "./IERC165.sol";
 import {IERC721} from "./IERC721.sol";

contracts/interfaces/IERC5267.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 interface IERC5267 {
     /**

contracts/interfaces/IERC5313.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5313.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 /**
  * @dev Interface for the Light Contract Ownership Standard.

contracts/interfaces/IERC5805.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 import {IVotes} from "../governance/utils/IVotes.sol";
 import {IERC6372} from "./IERC6372.sol";

contracts/interfaces/IERC6372.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 interface IERC6372 {
     /**

contracts/interfaces/IERC721.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721} from "../token/ERC721/IERC721.sol";

contracts/interfaces/IERC721Enumerable.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Enumerable.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721Enumerable} from "../token/ERC721/extensions/IERC721Enumerable.sol";

contracts/interfaces/IERC721Metadata.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721Metadata} from "../token/ERC721/extensions/IERC721Metadata.sol";

contracts/interfaces/IERC721Receiver.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC721Receiver} from "../token/ERC721/IERC721Receiver.sol";

contracts/interfaces/IERC777.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Token standard as defined in the ERC.

contracts/interfaces/IERC777Recipient.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777Recipient.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Tokens Recipient standard as defined in the ERC.

contracts/interfaces/IERC777Sender.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777Sender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Tokens Sender standard as defined in the ERC.

contracts/interfaces/IERC7821.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.0;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface for minimal batch executor.

contracts/interfaces/IERC7913.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.0;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Signature verifier interface.

contracts/interfaces/draft-IERC1822.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC1822.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.4.16;
 
 /**
  * @dev ERC-1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified

contracts/interfaces/draft-IERC4337.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/draft-IERC4337.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 /**
  * @dev A https://github.com/ethereum/ercs/blob/master/ERCS/erc-4337.md#useroperation[user operation] is composed of the following elements:

contracts/interfaces/draft-IERC6093.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 /**
  * @dev Standard ERC-20 Errors

contracts/interfaces/draft-IERC6909.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/draft-IERC6909.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../utils/introspection/IERC165.sol";
 

contracts/interfaces/draft-IERC7579.sol

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/draft-IERC7579.sol)
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 import {PackedUserOperation} from "./draft-IERC4337.sol";
 

contracts/interfaces/draft-IERC7674.sol

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC7674.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "./IERC20.sol";