Release v0.2.0 (rc) (#88)

* Release v0.2.0 (rc)

* update changelog

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Arr00 <13561405+arr00@users.noreply.github.com>

Author: github-actions[bot]

.changeset/pre.json

@@ -4,5 +4,11 @@
   "initialVersions": {
     "openzeppelin-confidential-contracts": "0.1.0"
   },
-  "changesets": []
+  "changesets": [
+    "better-cases-ask",
+    "fancy-bears-travel",
+    "gold-brooms-crash",
+    "quick-lights-type",
+    "real-beers-attack"
+  ]
 }

CHANGELOG.md

@@ -0,0 +1,10 @@
+# openzeppelin-confidential-contracts
+
+
+## 0.2.0-rc.0 (2025-07-04)
+
+- Upgrade all contracts to use `@fhevm/solidity` 0.7.0. ([#77](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/77))
+- `ConfidentialFungibleToken`: Change the default decimals from 9 to 6. ([#74](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/74))
+- `ConfidentialFungibleTokenVotes`: Add an extension of `ConfidentialFungibleToken` that implements `VotesConfidential`. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
+- `CheckpointsConfidential`: Add a library for handling checkpoints with confidential value types. ([#77](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/77))
+- `VotesConfidential`: Add votes governance utility for keeping track of FHE vote delegations. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))

contracts/governance/utils/VotesConfidential.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (governance/utils/VotesConfidential.sol)
 pragma solidity ^0.8.24;
 
 import {FHE, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/interfaces/IConfidentialFungibleToken.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (interfaces/IConfidentialFungibleToken.sol)
 pragma solidity ^0.8.24;
 
 import {euint64, externalEuint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/interfaces/IConfidentialFungibleTokenReceiver.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (interfaces/IConfidentialFungibleTokenReceiver.sol)
 pragma solidity ^0.8.24;
 
 import {ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@openzeppelin/contracts-confidential",
   "description": "Smart Contract library for use with confidential coprocessors",
-  "version": "0.1.0",
+  "version": "0.2.0-rc.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",

contracts/token/ConfidentialFungibleToken.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (token/ConfidentialFungibleToken.sol)
 
 pragma solidity ^0.8.26;
 

contracts/token/extensions/ConfidentialFungibleTokenERC20Wrapper.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (token/extensions/ConfidentialFungibleTokenERC20Wrapper.sol)
 
 pragma solidity ^0.8.26;
 

contracts/token/extensions/ConfidentialFungibleTokenVotes.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (token/extensions/ConfidentialFungibleTokenVotes.sol)
 pragma solidity ^0.8.24;
 
 import {euint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/token/utils/ConfidentialFungibleTokenUtils.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0-rc.0) (token/utils/ConfidentialFungibleTokenUtils.sol)
 pragma solidity ^0.8.24;
 
 import {FHE, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";