Merge branch 'release-v4.8'

2 years ago · 7c5f6bc2c8
parent 47d4ebb734 49c0e4370d
commit 7c5f6bc2c8
69 changed files with 2114 additions and 6509 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -5,12 +5,13 @@
 * `ReentrancyGuard`: Add a `_reentrancyGuardEntered` function to expose the guard status. ([#3714](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3714))
 * `ERC20Votes`: optimize by using unchecked arithmetic. ([#3748](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3748))
 * `Initializable`: optimize `_disableInitializers` by using `!=` instead of `<`. ([#3787](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3787))
+ * `Math`: optimize `log256` rounding check. ([#3745](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3745))

 ### Deprecations

 * `ERC20Permit`: Added the file `IERC20Permit.sol` and `ERC20Permit.sol` and deprecated `draft-IERC20Permit.sol` and `draft-ERC20Permit.sol` since [EIP-2612](https://eips.ethereum.org/EIPS/eip-2612) is no longer a Draft. Developers are encouraged to update their imports. ([#3793](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3793))

-## Unreleased
+## 4.8.0 (2022-11-08)

 * `TimelockController`: Added a new `admin` constructor parameter that is assigned the admin role instead of the deployer account. ([#3722](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3722))
 * `Initializable`: add internal functions `_getInitializedVersion` and `_isInitializing` ([#3598](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3598))
@ -45,7 +46,6 @@
 * `Math` and `SignedMath`: optimize function `max` by using `>` instead of `>=`. ([#3679](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3679))
 * `Math`: Add `log2`, `log10` and `log256`. ([#3670](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3670))
 * Arbitrum: Update the vendored arbitrum contracts to match the nitro upgrade. ([#3692](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3692))
- * `Math`: optimize `log256` rounding check. ([#3745](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3745))

 ### Breaking changes

--- a/contracts/access/AccessControl.sol
+++ b/contracts/access/AccessControl.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (access/AccessControl.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (access/AccessControl.sol)

 pragma solidity ^0.8.0;

--- a/contracts/access/Ownable2Step.sol
+++ b/contracts/access/Ownable2Step.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (access/Ownable2Step.sol)

 pragma solidity ^0.8.0;

--- a/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol
+++ b/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol)

 pragma solidity ^0.8.4;

--- a/contracts/crosschain/arbitrum/LibArbitrumL1.sol
+++ b/contracts/crosschain/arbitrum/LibArbitrumL1.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (crosschain/arbitrum/LibArbitrumL1.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (crosschain/arbitrum/LibArbitrumL1.sol)

 pragma solidity ^0.8.4;

--- a/contracts/crosschain/arbitrum/LibArbitrumL2.sol
+++ b/contracts/crosschain/arbitrum/LibArbitrumL2.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (crosschain/arbitrum/LibArbitrumL2.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (crosschain/arbitrum/LibArbitrumL2.sol)

 pragma solidity ^0.8.4;

--- a/contracts/finance/PaymentSplitter.sol
+++ b/contracts/finance/PaymentSplitter.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (finance/PaymentSplitter.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (finance/PaymentSplitter.sol)

 pragma solidity ^0.8.0;

--- a/contracts/finance/VestingWallet.sol
+++ b/contracts/finance/VestingWallet.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (finance/VestingWallet.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (finance/VestingWallet.sol)
 pragma solidity ^0.8.0;

 import "../token/ERC20/utils/SafeERC20.sol";
--- a/contracts/governance/Governor.sol
+++ b/contracts/governance/Governor.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (governance/Governor.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/Governor.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/IGovernor.sol
+++ b/contracts/governance/IGovernor.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (governance/IGovernor.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/IGovernor.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/TimelockController.sol
+++ b/contracts/governance/TimelockController.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (governance/TimelockController.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/TimelockController.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/compatibility/GovernorCompatibilityBravo.sol
+++ b/contracts/governance/compatibility/GovernorCompatibilityBravo.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/compatibility/GovernorCompatibilityBravo.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/compatibility/GovernorCompatibilityBravo.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/extensions/GovernorCountingSimple.sol
+++ b/contracts/governance/extensions/GovernorCountingSimple.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorCountingSimple.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/extensions/GovernorCountingSimple.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/extensions/GovernorVotesQuorumFraction.sol
+++ b/contracts/governance/extensions/GovernorVotesQuorumFraction.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorVotesQuorumFraction.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/extensions/GovernorVotesQuorumFraction.sol)

 pragma solidity ^0.8.0;

--- a/contracts/governance/utils/Votes.sol
+++ b/contracts/governance/utils/Votes.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/utils/Votes.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (governance/utils/Votes.sol)
 pragma solidity ^0.8.0;

 import "../../utils/Context.sol";
--- a/contracts/interfaces/IERC2309.sol
+++ b/contracts/interfaces/IERC2309.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (interfaces/IERC2309.sol)

 pragma solidity ^0.8.0;

--- a/contracts/interfaces/IERC4626.sol
+++ b/contracts/interfaces/IERC4626.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (interfaces/IERC4626.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (interfaces/IERC4626.sol)

 pragma solidity ^0.8.0;

--- a/contracts/metatx/MinimalForwarder.sol
+++ b/contracts/metatx/MinimalForwarder.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (metatx/MinimalForwarder.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (metatx/MinimalForwarder.sol)

 pragma solidity ^0.8.0;

--- a/contracts/package.json
+++ b/contracts/package.json
@ -1,7 +1,7 @@
 {
  "name": "@openzeppelin/contracts",
  "description": "Secure Smart Contract library for Solidity",
-  "version": "4.7.0",
+  "version": "4.8.0",
  "files": [
    "**/*.sol",
    "/build/contracts/*.json",
--- a/contracts/proxy/Clones.sol
+++ b/contracts/proxy/Clones.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (proxy/Clones.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (proxy/Clones.sol)

 pragma solidity ^0.8.0;

--- a/contracts/proxy/utils/Initializable.sol
+++ b/contracts/proxy/utils/Initializable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/Initializable.sol)

 pragma solidity ^0.8.2;

--- a/contracts/proxy/utils/UUPSUpgradeable.sol
+++ b/contracts/proxy/utils/UUPSUpgradeable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (proxy/utils/UUPSUpgradeable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (proxy/utils/UUPSUpgradeable.sol)

 pragma solidity ^0.8.0;

--- a/contracts/security/PullPayment.sol
+++ b/contracts/security/PullPayment.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (security/PullPayment.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (security/PullPayment.sol)

 pragma solidity ^0.8.0;

--- a/contracts/security/ReentrancyGuard.sol
+++ b/contracts/security/ReentrancyGuard.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC1155/ERC1155.sol
+++ b/contracts/token/ERC1155/ERC1155.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/ERC1155.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/ERC1155.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC1155/extensions/ERC1155Burnable.sol
+++ b/contracts/token/ERC1155/extensions/ERC1155Burnable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/extensions/ERC1155Burnable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/extensions/ERC1155Burnable.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/ERC20.sol
+++ b/contracts/token/ERC20/ERC20.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/ERC20.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/extensions/ERC20FlashMint.sol
+++ b/contracts/token/ERC20/extensions/ERC20FlashMint.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/extensions/ERC20FlashMint.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/extensions/ERC20FlashMint.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/extensions/ERC20Votes.sol
+++ b/contracts/token/ERC20/extensions/ERC20Votes.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/extensions/ERC20Votes.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/extensions/ERC20Votes.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/extensions/ERC4626.sol
+++ b/contracts/token/ERC20/extensions/ERC4626.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/extensions/ERC4626.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/extensions/ERC4626.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/extensions/draft-ERC20Permit.sol
+++ b/contracts/token/ERC20/extensions/draft-ERC20Permit.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/extensions/draft-ERC20Permit.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC20/utils/SafeERC20.sol
+++ b/contracts/token/ERC20/utils/SafeERC20.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/ERC721.sol
+++ b/contracts/token/ERC721/ERC721.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/ERC721.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/IERC721.sol
+++ b/contracts/token/ERC721/IERC721.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Burnable.sol
+++ b/contracts/token/ERC721/extensions/ERC721Burnable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/extensions/ERC721Burnable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Burnable.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Consecutive.sol
+++ b/contracts/token/ERC721/extensions/ERC721Consecutive.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Consecutive.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Enumerable.sol
+++ b/contracts/token/ERC721/extensions/ERC721Enumerable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Enumerable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Enumerable.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Pausable.sol
+++ b/contracts/token/ERC721/extensions/ERC721Pausable.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Pausable.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Pausable.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Royalty.sol
+++ b/contracts/token/ERC721/extensions/ERC721Royalty.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/ERC721Royalty.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Royalty.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/ERC721Votes.sol
+++ b/contracts/token/ERC721/extensions/ERC721Votes.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/ERC721Votes.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/extensions/draft-ERC721Votes.sol
+++ b/contracts/token/ERC721/extensions/draft-ERC721Votes.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/extensions/draft-ERC721Votes.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC721/presets/ERC721PresetMinterPauserAutoId.sol
+++ b/contracts/token/ERC721/presets/ERC721PresetMinterPauserAutoId.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/presets/ERC721PresetMinterPauserAutoId.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/presets/ERC721PresetMinterPauserAutoId.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC777/ERC777.sol
+++ b/contracts/token/ERC777/ERC777.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC777/ERC777.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC777/ERC777.sol)

 pragma solidity ^0.8.0;

--- a/contracts/token/ERC777/IERC777.sol
+++ b/contracts/token/ERC777/IERC777.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC777/IERC777.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC777/IERC777.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/Address.sol
+++ b/contracts/utils/Address.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

 pragma solidity ^0.8.1;

--- a/contracts/utils/Arrays.sol
+++ b/contracts/utils/Arrays.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/Arrays.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/Arrays.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/Checkpoints.sol
+++ b/contracts/utils/Checkpoints.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/Checkpoints.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/Checkpoints.sol)
 // This file was procedurally generated from scripts/generate/templates/Checkpoints.js.

 pragma solidity ^0.8.0;
--- a/contracts/utils/Create2.sol
+++ b/contracts/utils/Create2.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/Create2.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/Create2.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/Strings.sol
+++ b/contracts/utils/Strings.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/Strings.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/cryptography/ECDSA.sol
+++ b/contracts/utils/cryptography/ECDSA.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/ECDSA.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/ECDSA.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/cryptography/EIP712.sol
+++ b/contracts/utils/cryptography/EIP712.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/EIP712.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/cryptography/MerkleProof.sol
+++ b/contracts/utils/cryptography/MerkleProof.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/MerkleProof.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/cryptography/SignatureChecker.sol
+++ b/contracts/utils/cryptography/SignatureChecker.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/SignatureChecker.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/SignatureChecker.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/cryptography/draft-EIP712.sol
+++ b/contracts/utils/cryptography/draft-EIP712.sol
@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/draft-EIP712.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/introspection/ERC165Checker.sol
+++ b/contracts/utils/introspection/ERC165Checker.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165Checker.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/introspection/ERC165Checker.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/introspection/IERC1820Registry.sol
+++ b/contracts/utils/introspection/IERC1820Registry.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (utils/introspection/IERC1820Registry.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/introspection/IERC1820Registry.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/math/Math.sol
+++ b/contracts/utils/math/Math.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/Math.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/math/SafeCast.sol
+++ b/contracts/utils/math/SafeCast.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/math/SafeCast.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
 // This file was procedurally generated from scripts/generate/templates/SafeCast.js.

 pragma solidity ^0.8.0;
--- a/contracts/utils/math/SignedMath.sol
+++ b/contracts/utils/math/SignedMath.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/math/SignedMath.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SignedMath.sol)

 pragma solidity ^0.8.0;

--- a/contracts/utils/structs/BitMaps.sol
+++ b/contracts/utils/structs/BitMaps.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/structs/BitMaps.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/BitMaps.sol)
 pragma solidity ^0.8.0;

 /**
--- a/contracts/utils/structs/EnumerableMap.sol
+++ b/contracts/utils/structs/EnumerableMap.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableMap.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableMap.sol)
 // This file was procedurally generated from scripts/generate/templates/EnumerableMap.js.

 pragma solidity ^0.8.0;
--- a/contracts/utils/structs/EnumerableSet.sol
+++ b/contracts/utils/structs/EnumerableSet.sol
@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.7.0) (utils/structs/EnumerableSet.sol)
+// OpenZeppelin Contracts (last updated v4.8.0) (utils/structs/EnumerableSet.sol)
 // This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

 pragma solidity ^0.8.0;
--- a/contracts/vendor/arbitrum/IArbSys.sol
+++ b/contracts/vendor/arbitrum/IArbSys.sol
@ -1,6 +1,7 @@
 // Copyright 2021-2022, Offchain Labs, Inc.
 // For license information, see https://github.com/OffchainLabs/nitro/blob/master/LICENSE
 // SPDX-License-Identifier: BUSL-1.1
+// OpenZeppelin Contracts (last updated v4.8.0) (vendor/arbitrum/IArbSys.sol)

 pragma solidity >=0.4.21 <0.9.0;

--- a/contracts/vendor/arbitrum/IBridge.sol
+++ b/contracts/vendor/arbitrum/IBridge.sol
@ -1,6 +1,7 @@
 // Copyright 2021-2022, Offchain Labs, Inc.
 // For license information, see https://github.com/nitro/blob/master/LICENSE
 // SPDX-License-Identifier: BUSL-1.1
+// OpenZeppelin Contracts (last updated v4.8.0) (vendor/arbitrum/IBridge.sol)

 // solhint-disable-next-line compiler-version
 pragma solidity >=0.6.9 <0.9.0;
--- a/contracts/vendor/arbitrum/IDelayedMessageProvider.sol
+++ b/contracts/vendor/arbitrum/IDelayedMessageProvider.sol
@ -1,6 +1,7 @@
 // Copyright 2021-2022, Offchain Labs, Inc.
 // For license information, see https://github.com/nitro/blob/master/LICENSE
 // SPDX-License-Identifier: BUSL-1.1
+// OpenZeppelin Contracts (last updated v4.8.0) (vendor/arbitrum/IDelayedMessageProvider.sol)

 // solhint-disable-next-line compiler-version
 pragma solidity >=0.6.9 <0.9.0;
--- a/contracts/vendor/arbitrum/IInbox.sol
+++ b/contracts/vendor/arbitrum/IInbox.sol
@ -1,6 +1,7 @@
 // Copyright 2021-2022, Offchain Labs, Inc.
 // For license information, see https://github.com/nitro/blob/master/LICENSE
 // SPDX-License-Identifier: BUSL-1.1
+// OpenZeppelin Contracts (last updated v4.8.0) (vendor/arbitrum/IInbox.sol)

 // solhint-disable-next-line compiler-version
 pragma solidity >=0.6.9 <0.9.0;
--- a/contracts/vendor/arbitrum/IOutbox.sol
+++ b/contracts/vendor/arbitrum/IOutbox.sol
@ -1,6 +1,7 @@
 // Copyright 2021-2022, Offchain Labs, Inc.
 // For license information, see https://github.com/nitro/blob/master/LICENSE
 // SPDX-License-Identifier: BUSL-1.1
+// OpenZeppelin Contracts (last updated v4.8.0) (vendor/arbitrum/IOutbox.sol)

 // solhint-disable-next-line compiler-version
 pragma solidity >=0.6.9 <0.9.0;
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -1,7 +1,7 @@
 {
  "name": "openzeppelin-solidity",
  "description": "Secure Smart Contract library for Solidity",
-  "version": "4.7.0",
+  "version": "4.8.0",
  "files": [
    "/contracts/**/*.sol",
    "/build/contracts/*.json",