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397 lines
16 KiB
397 lines
16 KiB
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
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deleted file mode 100644
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index 2797a088..00000000
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--- a/.github/ISSUE_TEMPLATE/bug_report.md
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+++ /dev/null
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@@ -1,21 +0,0 @@
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----
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-name: Bug report
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-about: Report a bug in OpenZeppelin Contracts
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-
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----
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-
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-<!-- Briefly describe the issue you're experiencing. Tell us what you were trying to do and what happened instead. -->
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-
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-<!-- Remember, this is not a place to ask for help debugging code. For that, we welcome you in the OpenZeppelin Community Forum: https://forum.openzeppelin.com/. -->
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-
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-**💻 Environment**
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-
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-<!-- Tell us what version of OpenZeppelin Contracts you're using, and how you're using it: Truffle, Remix, etc. -->
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-
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-**📝 Details**
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-
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-<!-- Describe the problem you have been experiencing in more detail. Include as much information as you think is relevant. Keep in mind that transactions can fail for many reasons; context is key here. -->
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-
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-**🔢 Code to reproduce bug**
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-
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-<!-- We will be able to better help if you provide a minimal example that triggers the bug. -->
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diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
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index 4018cef2..d343a53d 100644
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--- a/.github/ISSUE_TEMPLATE/config.yml
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+++ b/.github/ISSUE_TEMPLATE/config.yml
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@@ -1,4 +1,8 @@
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+blank_issues_enabled: false
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contact_links:
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+ - name: Bug Reports & Feature Requests
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+ url: https://github.com/OpenZeppelin/openzeppelin-contracts/issues/new/choose
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+ about: Visit the OpenZeppelin Contracts repository
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- name: Questions & Support Requests
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url: https://forum.openzeppelin.com/c/support/contracts/18
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about: Ask in the OpenZeppelin Forum
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diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
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deleted file mode 100644
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index ff596b0c..00000000
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--- a/.github/ISSUE_TEMPLATE/feature_request.md
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+++ /dev/null
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@@ -1,14 +0,0 @@
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----
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-name: Feature request
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-about: Suggest an idea for OpenZeppelin Contracts
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-
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----
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-
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-**🧐 Motivation**
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-<!-- Is your feature request related to a specific problem? Is it just a crazy idea? Tell us about it! -->
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-
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-**📝 Details**
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-<!-- Please describe your feature request in detail. -->
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-
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-<!-- Make sure that you have reviewed the OpenZeppelin Contracts Contributor Guidelines. -->
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-<!-- https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CONTRIBUTING.md -->
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diff --git a/README.md b/README.md
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index 9fc95518..53130e3c 100644
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--- a/README.md
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+++ b/README.md
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@@ -16,17 +16,20 @@
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:building_construction: **Want to scale your decentralized application?** Check out [OpenZeppelin Defender](https://openzeppelin.com/defender) — a secure platform for automating and monitoring your operations.
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+> **Note**
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+> You are looking at the upgradeable variant of OpenZeppelin Contracts. Be sure to review the documentation on [Using OpenZeppelin Contracts with Upgrades](https://docs.openzeppelin.com/contracts/4.x/upgradeable).
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+
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## Overview
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### Installation
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```
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-$ npm install @openzeppelin/contracts
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+$ npm install @openzeppelin/contracts-upgradeable
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```
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OpenZeppelin Contracts features a [stable API](https://docs.openzeppelin.com/contracts/releases-stability#api-stability), which means that your contracts won't break unexpectedly when upgrading to a newer minor version.
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-An alternative to npm is to use the GitHub repository (`openzeppelin/openzeppelin-contracts`) to retrieve the contracts. When doing this, make sure to specify the tag for a release such as `v4.5.0`, instead of using the `master` branch.
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+An alternative to npm is to use the GitHub repository (`openzeppelin/openzeppelin-contracts-upgradeable`) to retrieve the contracts. When doing this, make sure to specify the tag for a release such as `v4.5.0`, instead of using the `master` branch.
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### Usage
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@@ -35,10 +38,11 @@ Once installed, you can use the contracts in the library by importing them:
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```solidity
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pragma solidity ^0.8.19;
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-import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
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+import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol";
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-contract MyCollectible is ERC721 {
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- constructor() ERC721("MyCollectible", "MCO") {
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+contract MyCollectible is ERC721Upgradeable {
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+ function initialize() initializer public {
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+ __ERC721_init("MyCollectible", "MCO");
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}
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}
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```
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diff --git a/contracts/finance/VestingWallet.sol b/contracts/finance/VestingWallet.sol
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index bb70d19f..38513771 100644
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--- a/contracts/finance/VestingWallet.sol
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+++ b/contracts/finance/VestingWallet.sol
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@@ -18,6 +18,8 @@ import "../utils/Context.sol";
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*
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* By setting the duration to 0, one can configure this contract to behave like an asset timelock that hold tokens for
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* a beneficiary until a specified time.
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+ *
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+ * @custom:storage-size 52
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*/
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contract VestingWallet is Context {
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event EtherReleased(uint256 amount);
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diff --git a/contracts/governance/extensions/GovernorVotes.sol b/contracts/governance/extensions/GovernorVotes.sol
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index 64431711..885f0e42 100644
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--- a/contracts/governance/extensions/GovernorVotes.sol
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+++ b/contracts/governance/extensions/GovernorVotes.sol
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@@ -10,6 +10,8 @@ import "../../interfaces/IERC5805.sol";
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* @dev Extension of {Governor} for voting weight extraction from an {ERC20Votes} token, or since v4.5 an {ERC721Votes} token.
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*
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* _Available since v4.3._
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+ *
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+ * @custom:storage-size 51
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*/
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abstract contract GovernorVotes is Governor {
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IERC5805 public immutable token;
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diff --git a/contracts/package.json b/contracts/package.json
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index 55e70b17..ceefb984 100644
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--- a/contracts/package.json
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+++ b/contracts/package.json
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@@ -1,5 +1,5 @@
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{
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- "name": "@openzeppelin/contracts",
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+ "name": "@openzeppelin/contracts-upgradeable",
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"description": "Secure Smart Contract library for Solidity",
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"version": "4.8.2",
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"files": [
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@@ -13,7 +13,7 @@
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},
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"repository": {
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"type": "git",
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- "url": "https://github.com/OpenZeppelin/openzeppelin-contracts.git"
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+ "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable.git"
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},
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"keywords": [
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"solidity",
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diff --git a/contracts/token/ERC20/extensions/ERC20Capped.sol b/contracts/token/ERC20/extensions/ERC20Capped.sol
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index 16f830d1..9ef98148 100644
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--- a/contracts/token/ERC20/extensions/ERC20Capped.sol
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+++ b/contracts/token/ERC20/extensions/ERC20Capped.sol
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@@ -7,6 +7,8 @@ import "../ERC20.sol";
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/**
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* @dev Extension of {ERC20} that adds a cap to the supply of tokens.
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+ *
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+ * @custom:storage-size 51
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*/
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abstract contract ERC20Capped is ERC20 {
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uint256 private immutable _cap;
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diff --git a/contracts/token/ERC20/extensions/ERC20Permit.sol b/contracts/token/ERC20/extensions/ERC20Permit.sol
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index a357199b..9dc8e894 100644
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--- a/contracts/token/ERC20/extensions/ERC20Permit.sol
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+++ b/contracts/token/ERC20/extensions/ERC20Permit.sol
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@@ -18,6 +18,8 @@ import "../../../utils/Counters.sol";
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* need to send a transaction, and thus is not required to hold Ether at all.
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*
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* _Available since v3.4._
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+ *
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+ * @custom:storage-size 51
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*/
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abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 {
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using Counters for Counters.Counter;
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diff --git a/contracts/token/ERC20/extensions/ERC20Wrapper.sol b/contracts/token/ERC20/extensions/ERC20Wrapper.sol
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index bfe782e4..7264fe32 100644
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--- a/contracts/token/ERC20/extensions/ERC20Wrapper.sol
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+++ b/contracts/token/ERC20/extensions/ERC20Wrapper.sol
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@@ -14,6 +14,8 @@ import "../utils/SafeERC20.sol";
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* wrapping of an existing "basic" ERC20 into a governance token.
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*
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* _Available since v4.2._
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+ *
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+ * @custom:storage-size 51
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*/
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abstract contract ERC20Wrapper is ERC20 {
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IERC20 private immutable _underlying;
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diff --git a/contracts/utils/cryptography/EIP712.sol b/contracts/utils/cryptography/EIP712.sol
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index 6a4e1cad..55d8eced 100644
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--- a/contracts/utils/cryptography/EIP712.sol
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+++ b/contracts/utils/cryptography/EIP712.sol
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@@ -4,7 +4,6 @@
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pragma solidity ^0.8.19;
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import "./ECDSA.sol";
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-import "../ShortStrings.sol";
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import "../../interfaces/IERC5267.sol";
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/**
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@@ -30,27 +29,19 @@ import "../../interfaces/IERC5267.sol";
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*
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* _Available since v3.4._
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*
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- * @custom:oz-upgrades-unsafe-allow state-variable-immutable state-variable-assignment
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+ * @custom:storage-size 52
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*/
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abstract contract EIP712 is IERC5267 {
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- using ShortStrings for *;
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-
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bytes32 private constant _TYPE_HASH =
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keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
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- // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
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- // invalidate the cached domain separator if the chain id changes.
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- bytes32 private immutable _cachedDomainSeparator;
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- uint256 private immutable _cachedChainId;
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- address private immutable _cachedThis;
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-
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+ /// @custom:oz-renamed-from _HASHED_NAME
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bytes32 private immutable _hashedName;
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+ /// @custom:oz-renamed-from _HASHED_VERSION
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bytes32 private immutable _hashedVersion;
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- ShortString private immutable _name;
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- ShortString private immutable _version;
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- string private _nameFallback;
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- string private _versionFallback;
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+ string private _name;
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+ string private _version;
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/**
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* @dev Initializes the domain separator and parameter caches.
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@@ -65,29 +56,23 @@ abstract contract EIP712 is IERC5267 {
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* contract upgrade].
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*/
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constructor(string memory name, string memory version) {
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- _name = name.toShortStringWithFallback(_nameFallback);
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- _version = version.toShortStringWithFallback(_versionFallback);
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- _hashedName = keccak256(bytes(name));
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- _hashedVersion = keccak256(bytes(version));
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-
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- _cachedChainId = block.chainid;
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- _cachedDomainSeparator = _buildDomainSeparator();
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- _cachedThis = address(this);
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+ _name = name;
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+ _version = version;
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+
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+ // Reset prior values in storage if upgrading
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+ _hashedName = 0;
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+ _hashedVersion = 0;
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}
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/**
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* @dev Returns the domain separator for the current chain.
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*/
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function _domainSeparatorV4() internal view returns (bytes32) {
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- if (address(this) == _cachedThis && block.chainid == _cachedChainId) {
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- return _cachedDomainSeparator;
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- } else {
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- return _buildDomainSeparator();
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- }
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+ return _buildDomainSeparator();
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}
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function _buildDomainSeparator() private view returns (bytes32) {
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- return keccak256(abi.encode(_TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));
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+ return keccak256(abi.encode(_TYPE_HASH, _EIP712NameHash(), _EIP712VersionHash(), block.chainid, address(this)));
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}
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/**
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@@ -129,14 +114,80 @@ abstract contract EIP712 is IERC5267 {
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uint256[] memory extensions
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)
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{
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+ // If the hashed name and version in storage are non-zero, the contract hasn't been properly initialized
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+ // and the EIP712 domain is not reliable, as it will be missing name and version.
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+ require(_hashedName == 0 && _hashedVersion == 0, "EIP712: Uninitialized");
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+
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return (
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hex"0f", // 01111
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- _name.toStringWithFallback(_nameFallback),
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- _version.toStringWithFallback(_versionFallback),
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+ _EIP712Name(),
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+ _EIP712Version(),
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block.chainid,
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address(this),
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bytes32(0),
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new uint256[](0)
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);
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}
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+
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+ /**
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+ * @dev The name parameter for the EIP712 domain.
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+ *
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+ * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
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+ * are a concern.
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+ */
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+ function _EIP712Name() internal virtual view returns (string memory) {
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+ return _name;
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+ }
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+
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+ /**
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+ * @dev The version parameter for the EIP712 domain.
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+ *
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+ * NOTE: This function reads from storage by default, but can be redefined to return a constant value if gas costs
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+ * are a concern.
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+ */
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+ function _EIP712Version() internal virtual view returns (string memory) {
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+ return _version;
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+ }
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+
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+ /**
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+ * @dev The hash of the name parameter for the EIP712 domain.
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+ *
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+ * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Name` instead.
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+ */
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+ function _EIP712NameHash() internal view returns (bytes32) {
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+ string memory name = _EIP712Name();
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+ if (bytes(name).length > 0) {
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+ return keccak256(bytes(name));
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+ } else {
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+ // If the name is empty, the contract may have been upgraded without initializing the new storage.
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+ // We return the name hash in storage if non-zero, otherwise we assume the name is empty by design.
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+ bytes32 hashedName = _hashedName;
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+ if (hashedName != 0) {
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+ return hashedName;
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+ } else {
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+ return keccak256("");
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+ }
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+ }
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+ }
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+
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+ /**
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+ * @dev The hash of the version parameter for the EIP712 domain.
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+ *
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+ * NOTE: In previous versions this function was virtual. In this version you should override `_EIP712Version` instead.
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+ */
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+ function _EIP712VersionHash() internal view returns (bytes32) {
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+ string memory version = _EIP712Version();
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+ if (bytes(version).length > 0) {
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+ return keccak256(bytes(version));
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+ } else {
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+ // If the version is empty, the contract may have been upgraded without initializing the new storage.
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+ // We return the version hash in storage if non-zero, otherwise we assume the version is empty by design.
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+ bytes32 hashedVersion = _hashedVersion;
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+ if (hashedVersion != 0) {
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+ return hashedVersion;
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+ } else {
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+ return keccak256("");
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+ }
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+ }
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+ }
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}
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diff --git a/package.json b/package.json
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index 8458dd61..b4672240 100644
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--- a/package.json
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+++ b/package.json
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@@ -36,7 +36,7 @@
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},
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"repository": {
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"type": "git",
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- "url": "https://github.com/OpenZeppelin/openzeppelin-contracts.git"
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+ "url": "https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable.git"
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},
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"keywords": [
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"solidity",
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|
diff --git a/test/utils/cryptography/EIP712.test.js b/test/utils/cryptography/EIP712.test.js
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index 54a4e772..ba4602ed 100644
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--- a/test/utils/cryptography/EIP712.test.js
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+++ b/test/utils/cryptography/EIP712.test.js
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@@ -47,26 +47,6 @@ contract('EIP712', function (accounts) {
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const rebuildDomain = await getDomain(this.eip712);
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expect(mapValues(rebuildDomain, String)).to.be.deep.equal(mapValues(this.domain, String));
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});
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-
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- if (shortOrLong === 'short') {
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- // Long strings are in storage, and the proxy will not be properly initialized unless
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- // the upgradeable contract variant is used and the initializer is invoked.
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-
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- it('adjusts when behind proxy', async function () {
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- const factory = await Clones.new();
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- const cloneReceipt = await factory.$clone(this.eip712.address);
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- const cloneAddress = cloneReceipt.logs.find(({ event }) => event === 'return$clone').args.instance;
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- const clone = new EIP712Verifier(cloneAddress);
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-
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- const cloneDomain = { ...this.domain, verifyingContract: clone.address };
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-
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- const reportedDomain = await getDomain(clone);
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- expect(mapValues(reportedDomain, String)).to.be.deep.equal(mapValues(cloneDomain, String));
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-
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- const expectedSeparator = await domainSeparator(cloneDomain);
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- expect(await clone.$_domainSeparatorV4()).to.equal(expectedSeparator);
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- });
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- }
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});
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|
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it('hash digest', async function () {
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|