Merge release-v0.2 branch

CHANGELOG.md

@@ -0,0 +1,28 @@
+# openzeppelin-confidential-contracts
+
+
+## 0.2.0 (2025-08-14)
+
+- Upgrade all contracts to use `@fhevm/solidity` 0.7.0. ([#27](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/27))
+
+### Token
+- `IConfidentialFungibleToken`: Prefix `totalSupply` and `balanceOf` functions with confidential. ([#93](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/93))
+- `IConfidentialFungibleToken`: Rename `EncryptedAmountDisclosed` event to `AmountDisclosed`. ([#93](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/93))
+- `ConfidentialFungibleToken`: Change the default decimals from 9 to 6. ([#74](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/74))
+- `ConfidentialFungibleTokenERC20Wrapper`: Add an internal function to allow overriding the max decimals used for wrapped tokens. ([#89](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/89))
+- `ConfidentialFungibleTokenERC20Wrapper`: Add an internal function to allow overriding the underlying decimals fallback value. ([#133](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/133))
+
+### Governance
+- `VotesConfidential`: Add votes governance utility for keeping track of FHE vote delegations. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
+- `ConfidentialFungibleTokenVotes`: Add an extension of `ConfidentialFungibleToken` that implements `VotesConfidential`. ([#40](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/40))
+
+### Finance
+- `VestingWalletConfidential`: A vesting wallet that releases confidential tokens owned by it according to a defined vesting schedule. ([#91](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/91))
+- `VestingWalletCliffConfidential`: A variant of `VestingWalletConfidential` which adds a cliff period to the vesting schedule. ([#91](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/91))
+- `VestingWalletConfidentialFactory`: A generalized factory that allows for batch funding of confidential vesting wallets. ([#102](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/102))
+
+### Misc
+- `HandleAccessManager`: Minimal contract that adds a function to give allowance to callers for a given ciphertext handle. ([#143](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/143))
+- `ERC7821WithExecutor`: Add an abstract contract that inherits from `ERC7821` and adds an `executor` role. ([#102](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/102))
+- `CheckpointsConfidential`: Add a library for handling checkpoints with confidential value types. ([#60](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/60))
+- `TFHESafeMath`: Renamed to `FHESafeMath`. ([#137](https://github.com/OpenZeppelin/openzeppelin-confidential-contracts/pull/137))

contracts/finance/ERC7821WithExecutor.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (finance/ERC7821WithExecutor.sol)
 pragma solidity ^0.8.20;
 
 import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

contracts/finance/VestingWalletCliffConfidential.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (finance/VestingWalletCliffConfidential.sol)
 pragma solidity ^0.8.27;
 
 import {euint128} from "@fhevm/solidity/lib/FHE.sol";

contracts/finance/VestingWalletConfidential.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (finance/VestingWalletConfidential.sol)
 pragma solidity ^0.8.24;
 
 import {FHE, ebool, euint64, euint128} from "@fhevm/solidity/lib/FHE.sol";

contracts/finance/VestingWalletConfidentialFactory.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (finance/VestingWalletConfidentialFactory.sol)
 pragma solidity ^0.8.27;
 
 import {FHE, euint64, externalEuint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/governance/utils/VotesConfidential.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (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) (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) (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/confidential-contracts",
   "description": "Smart Contract library for use with confidential coprocessors",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "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) (token/ConfidentialFungibleToken.sol)
 pragma solidity ^0.8.27;
 
 import {FHE, externalEuint64, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/token/extensions/ConfidentialFungibleTokenERC20Wrapper.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (token/extensions/ConfidentialFungibleTokenERC20Wrapper.sol)
 
 pragma solidity ^0.8.27;
 

contracts/token/extensions/ConfidentialFungibleTokenVotes.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (token/extensions/ConfidentialFungibleTokenVotes.sol)
 pragma solidity ^0.8.27;
 
 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) (token/utils/ConfidentialFungibleTokenUtils.sol)
 pragma solidity ^0.8.27;
 
 import {FHE, ebool, euint64} from "@fhevm/solidity/lib/FHE.sol";

contracts/utils/FHESafeMath.sol

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

contracts/utils/HandleAccessManager.sol

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

contracts/utils/structs/CheckpointsConfidential.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (utils/structs/CheckpointsConfidential.sol)
 // This file was procedurally generated from scripts/generate/templates/CheckpointsConfidential.js.
 
 pragma solidity ^0.8.24;

contracts/utils/structs/temporary-Checkpoints.sol

@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Confidential Contracts (last updated v0.2.0) (utils/structs/temporary-Checkpoints.sol)
 // OpenZeppelin Contracts (last updated v5.4.0) (utils/structs/Checkpoints.sol)
 // This file was procedurally generated from scripts/generate/templates/Checkpoints.js.
 // WARNING: This file is temporary and will be deleted once the latest version of the file is released in v5.5.0 of @openzeppelin/contracts.

docs/antora.yml

@@ -1,7 +1,7 @@
 name: confidential-contracts
 title: Confidential Contracts
-version: 0.1.0
-prerelease: true
+version: '0.2'
+prerelease: false
 nav:
   - modules/ROOT/nav.adoc
   - modules/api/nav.adoc

package.json

@@ -1,7 +1,7 @@
 {
   "name": "openzeppelin-confidential-contracts",
   "description": "",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "author": "OpenZeppelin Community <maintainers@openzeppelin.org>",
   "license": "MIT",
   "files": [