feat: add ZeroCopyMut enum support

Author: ananas-block

js/compressed-token/CHANGELOG.md

@@ -1,9 +1,9 @@
 ## [0.22.0]
 
-- `CreateMint` action now allows passing a non-payer mint and freeze authority.
-- More efficient computebudgets for actions.
-- Better DX: Parameter lookup in call signatures of CompressedTokenProgram instructions
-- QoL: improved typedocs.
+-   `CreateMint` action now allows passing a non-payer mint and freeze authority.
+-   More efficient computebudgets for actions.
+-   Better DX: Parameter lookup in call signatures of CompressedTokenProgram instructions
+-   QoL: improved typedocs.
 
 ## [0.21.0]
 
@@ -58,23 +58,25 @@ const ix = await CompressedTokenProgram.decompress({
 
 ### Overview
 
-- new type: TokenPoolInfo
-- Instruction Changes:
-    - `compress`, `mintTo`, `approveAndMintTo`, `compressSplTokenAccount` now require valid TokenPoolInfo
-    - `decompress` now requires an array of one or more TokenPoolInfos.
-    - `decompress`, `transfer` now do not allow state tree overrides.
+-   new type: TokenPoolInfo
+-   Instruction Changes:
 
-- Action Changes:
-    - Removed optional tokenProgramId: PublicKey
-    - removed optional merkleTree: PublicKey
-    - removed optional outputStateTree: PublicKey
-    - added optional stateTreeInfo: StateTreeInfo
-    - added optional tokenPoolInfo: TokenPoolInfo
+    -   `compress`, `mintTo`, `approveAndMintTo`, `compressSplTokenAccount` now require valid TokenPoolInfo
+    -   `decompress` now requires an array of one or more TokenPoolInfos.
+    -   `decompress`, `transfer` now do not allow state tree overrides.
 
-- new instructions:
-    - `approve`, `revoke`: delegated transfer support.
-    - `addTokenPools`: you can now register additional token pool pdas. Use
-      this if you need very high concurrency.
+-   Action Changes:
+
+    -   Removed optional tokenProgramId: PublicKey
+    -   removed optional merkleTree: PublicKey
+    -   removed optional outputStateTree: PublicKey
+    -   added optional stateTreeInfo: StateTreeInfo
+    -   added optional tokenPoolInfo: TokenPoolInfo
+
+-   new instructions:
+    -   `approve`, `revoke`: delegated transfer support.
+    -   `addTokenPools`: you can now register additional token pool pdas. Use
+        this if you need very high concurrency.
 
 ### Why the Changes are helpful
 
@@ -94,32 +96,32 @@ accounts.
 
 ### Changed
 
-- improved documentation and error messages.
+-   improved documentation and error messages.
 
 ## [0.20.4] - 2025-02-19
 
 ### Breaking Changes
 
-- `selectMinCompressedTokenAccountsForTransfer` and
-  `selectSmartCompressedTokenAccountsForTransfer` now throw an error
-  if not enough accounts are found. In most cases this is not a breaking
-  change, because a proof request would fail anyway. This just makes the error
-  message more informative.
+-   `selectMinCompressedTokenAccountsForTransfer` and
+    `selectSmartCompressedTokenAccountsForTransfer` now throw an error
+    if not enough accounts are found. In most cases this is not a breaking
+    change, because a proof request would fail anyway. This just makes the error
+    message more informative.
 
 ### Added
 
-- `selectSmartCompressedTokenAccountsForTransfer` and
-  `selectSmartCompressedTokenAccountsForTransferOrPartial`
+-   `selectSmartCompressedTokenAccountsForTransfer` and
+    `selectSmartCompressedTokenAccountsForTransferOrPartial`
 
 ### Changed
 
-- `selectMinCompressedTokenAccountsForTransfer` and
-  `selectMinCompressedTokenAccountsForTransferorPartial` now accept an optional
-  `maxInputs` parameter, defaulting to 4.
+-   `selectMinCompressedTokenAccountsForTransfer` and
+    `selectMinCompressedTokenAccountsForTransferorPartial` now accept an optional
+    `maxInputs` parameter, defaulting to 4.
 
 ### Security
 
-- N/A
+-   N/A
 
 For previous release notes, check:
 https://www.zkcompression.com/release-notes/1.0.0-mainnet-beta

js/compressed-token/README.md

@@ -28,8 +28,8 @@ npm install --save \
 
 ### Documentation and examples
 
-- [Latest Source code](https://github.com/lightprotocol/light-protocol/tree/main/js/compressed-token)
-- [Creating and sending compressed tokens](https://www.zkcompression.com/developers/typescript-client#creating-minting-and-transferring-a-compressed-token)
+-   [Latest Source code](https://github.com/lightprotocol/light-protocol/tree/main/js/compressed-token)
+-   [Creating and sending compressed tokens](https://www.zkcompression.com/developers/typescript-client#creating-minting-and-transferring-a-compressed-token)
 
 ### Getting help
 
@@ -38,9 +38,9 @@ Check out the [Light](https://discord.gg/CYvjBgzRFP) and [Helius](https://discor
 
 When asking for help, please include:
 
-- A detailed description of what you're trying to achieve
-- Source code, if possible
-- The text of any errors you encountered, with stacktraces if available
+-   A detailed description of what you're trying to achieve
+-   Source code, if possible
+-   The text of any errors you encountered, with stacktraces if available
 
 ### Contributing
 

js/stateless.js/CHANGELOG.md

@@ -36,15 +36,15 @@ migrating.
 
 ### Breaking changes
 
-- Renamed `ActiveTreeBundle` to `StateTreeInfo`
-- Updated `StateTreeInfo` internal structure: `{ tree: PublicKey, queue: PublicKey, cpiContext: PublicKey | null, treeType: TreeType }`
-- Replaced `pickRandomTreeAndQueue` with `selectStateTreeInfo`
-- Use `selectStateTreeInfo` for tree selection instead of `pickRandomTreeAndQueue`
+-   Renamed `ActiveTreeBundle` to `StateTreeInfo`
+-   Updated `StateTreeInfo` internal structure: `{ tree: PublicKey, queue: PublicKey, cpiContext: PublicKey | null, treeType: TreeType }`
+-   Replaced `pickRandomTreeAndQueue` with `selectStateTreeInfo`
+-   Use `selectStateTreeInfo` for tree selection instead of `pickRandomTreeAndQueue`
 
 ### Deprecations
 
-- `rpc.getValidityProof` is now deprecated, use `rpc.getValidityProofV0` instead.
-- `CompressedProof` and `CompressedProofWithContext` were renamed to `ValidityProof` and `ValidityProofWithContext`
+-   `rpc.getValidityProof` is now deprecated, use `rpc.getValidityProofV0` instead.
+-   `CompressedProof` and `CompressedProofWithContext` were renamed to `ValidityProof` and `ValidityProofWithContext`
 
 ### Migration Guide
 
@@ -163,43 +163,44 @@ Fixed a bug where we lose precision on token amounts if compressed token account
 
 ### Breaking Changes
 
-- ActiveTreeBundle is now a tuple of `tree`, `queue`, `cpiContext`, and `treeType`. `treeType` is a new enum ensuring forward compatibility.
-- Updated LUT addresses for Mainnet and Devnet:
-    - stateTreeLookupTableMainnet = '7i86eQs3GSqHjN47WdWLTCGMW6gde1q96G2EVnUyK2st';
-    - nullifiedStateTreeLookupTableMainnet = 'H9QD4u1fG7KmkAzn2tDXhheushxFe1EcrjGGyEFXeMqT';
-    - stateTreeLookupTableDevnet = '8n8rH2bFRVA6cSGNDpgqcKHCndbFCT1bXxAQG89ejVsh';
-    - nullifiedStateTreeLookupTableDevnet = '5dhaJLBjnVBQFErr8oiCJmcVsx3Zj6xDekGB2zULPsnP';
+-   ActiveTreeBundle is now a tuple of `tree`, `queue`, `cpiContext`, and `treeType`. `treeType` is a new enum ensuring forward compatibility.
+-   Updated LUT addresses for Mainnet and Devnet:
+    -   stateTreeLookupTableMainnet = '7i86eQs3GSqHjN47WdWLTCGMW6gde1q96G2EVnUyK2st';
+    -   nullifiedStateTreeLookupTableMainnet = 'H9QD4u1fG7KmkAzn2tDXhheushxFe1EcrjGGyEFXeMqT';
+    -   stateTreeLookupTableDevnet = '8n8rH2bFRVA6cSGNDpgqcKHCndbFCT1bXxAQG89ejVsh';
+    -   nullifiedStateTreeLookupTableDevnet = '5dhaJLBjnVBQFErr8oiCJmcVsx3Zj6xDekGB2zULPsnP';
 
 ### Changed
 
-- `createRpc` can now also be called with only the `rpcEndpoint` parameter. In
-  this case, `compressionApiEndpoint` and `proverEndpoint` will default to the
-  same value. If no parameters are provided, default localnet values are used.
+-   `createRpc` can now also be called with only the `rpcEndpoint` parameter. In
+    this case, `compressionApiEndpoint` and `proverEndpoint` will default to the
+    same value. If no parameters are provided, default localnet values are used.
 
 ## [0.19.0] - 2025-01-20
 
 ### Breaking Changes
 
-- Instruction methods (eg `LightSystemProgram.createAccount` and `CompressedTokenProgram.mintTo`) now require an explicit output state tree pubkey or input account, otherwise they will throw an error.
+-   Instruction methods (eg `LightSystemProgram.createAccount` and `CompressedTokenProgram.mintTo`) now require an explicit output state tree pubkey or input account, otherwise they will throw an error.
 
 ### Added
 
-- Multiple State Tree support. Allows you to pass non-default state tree pubkeys to actions and instructions. Comes out of the box with public state trees.
-    - `pickRandomStateTreeAndQueue`
-    - `getLightStateTreeInfo`
+-   Multiple State Tree support. Allows you to pass non-default state tree pubkeys to actions and instructions. Comes out of the box with public state trees.
 
-- createMint allows passing of freezeAuthority in action
+    -   `pickRandomStateTreeAndQueue`
+    -   `getLightStateTreeInfo`
+
+-   createMint allows passing of freezeAuthority in action
 
 ### Changed
 
-- `createMint`action now lets you pass tokenprogramId explicitly. is backward compatible with boolean flag for t22.
+-   `createMint`action now lets you pass tokenprogramId explicitly. is backward compatible with boolean flag for t22.
 
 ### Deprecated
 
-- `rpc.getValidityProof`. Now does another rpc round trip to fetch tree info. use `rpc.getValidityProofV0` and pass tree info explicitly instead.
+-   `rpc.getValidityProof`. Now does another rpc round trip to fetch tree info. use `rpc.getValidityProofV0` and pass tree info explicitly instead.
 
 ### Security
 
-- N/A
+-   N/A
 
 For previous release notes, check: https://www.zkcompression.com/release-notes/1.0.0-mainnet-beta

js/stateless.js/README.md

@@ -32,18 +32,18 @@ For a more detailed documentation on usage, please check [the respective section
 
 For example implementations, including web and Node, refer to the respective repositories:
 
-- [Web application example implementation](https://github.com/Lightprotocol/example-web-client)
+-   [Web application example implementation](https://github.com/Lightprotocol/example-web-client)
 
-- [Node server example implementation](https://github.com/Lightprotocol/example-nodejs-client)
+-   [Node server example implementation](https://github.com/Lightprotocol/example-nodejs-client)
 
 ## Troubleshooting
 
 Have a question or a problem?
 Feel free to ask in the [Light](https://discord.gg/CYvjBgzRFP) and [Helius](https://discord.gg/Uzzf6a7zKr) developer Discord servers. Please, include the following information:
 
-- A detailed description or context of the issue or what you are trying to achieve.
-- A code example that we can use to test and debug (if possible). Use [CodeSandbox](https://codesandbox.io/p/sandbox/vanilla-ts) or any other live environment provider.
-- A description or context of any errors you are encountering with stacktraces if available.
+-   A detailed description or context of the issue or what you are trying to achieve.
+-   A code example that we can use to test and debug (if possible). Use [CodeSandbox](https://codesandbox.io/p/sandbox/vanilla-ts) or any other live environment provider.
+-   A description or context of any errors you are encountering with stacktraces if available.
 
 ### Source Maps
 
@@ -57,14 +57,14 @@ We provide `index.js.map` for debugging. Exclude in production:
 
 Light and ZK Compression are open source protocols and very much welcome contributions. If you have a contribution, do not hesitate to send a PR to the respective repository or discuss in the linked developer Discord servers.
 
-- 🐞 For bugs or feature requests, please open an
-  [issue](https://github.com/lightprotocol/light-protocol/issues/new).
-- 🔒 For security vulnerabilities, please follow the [security policy](https://github.com/Lightprotocol/light-protocol/blob/main/SECURITY.md).
+-   🐞 For bugs or feature requests, please open an
+    [issue](https://github.com/lightprotocol/light-protocol/issues/new).
+-   🔒 For security vulnerabilities, please follow the [security policy](https://github.com/Lightprotocol/light-protocol/blob/main/SECURITY.md).
 
 ## Additional Resources
 
-- [Light Protocol Repository](https://github.com/Lightprotocol/light-protocol)
-- [ZK Compression Official Documentation](https://www.zkcompression.com/)
+-   [Light Protocol Repository](https://github.com/Lightprotocol/light-protocol)
+-   [ZK Compression Official Documentation](https://www.zkcompression.com/)
 
 ## Disclaimer
 

program-libs/zero-copy-derive/README.md

@@ -48,7 +48,7 @@ Procedural macros for borsh compatible zero copy serialization.
 - **Empty structs**: Not supported - structs must have at least one field for zero-copy serialization
 - **Enum support**:
   - `ZeroCopy` supports enums with unit variants or single unnamed field variants
-  - `ZeroCopyMut` does NOT support enums (structs only)
+  - `ZeroCopyMut` supports enums with unit variants or single unnamed field variants
   - `ZeroCopyEq` does NOT support enums (structs only)
 
 ### Special Type Handling

program-libs/zero-copy-derive/src/lib.rs

@@ -48,7 +48,7 @@
 //! - **Empty structs**: Not supported - structs must have at least one field for zero-copy serialization
 //! - **Enum support**:
 //!   - `ZeroCopy` supports enums with unit variants or single unnamed field variants
-//!   - `ZeroCopyMut` does NOT support enums
+//!   - `ZeroCopyMut` supports enums with unit variants or single unnamed field variants
 //!   - `ZeroCopyEq` does NOT support enums
 //! - `ZeroCopyEq` does NOT support enums, vectors, arrays)
 //!