Chore(proxy)/openzeppelin v5 migration

[Anmol-Dhiman]

• Updated the bytes calculation formula i.e. keccak256(abi.encode(uint256(keccak256(id)) - 1)) & ~bytes32(uint256(0xff))
• Made changes for using Namespaced Storage Layout in proxy and mock proxy contracts.

Issue : https://github.com/kleros/kleros-v2/issues/1270 Test Result :

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PR-Codex overview

The focus of this PR is to update storage locations in various contracts for better organization and efficiency.

Detailed summary

• Updated storage locations in Initializable.sol, UUPSProxiable.sol, UUPSProxy.sol, and mock contracts.
• Added storage structs and constants for improved storage management.
• Implemented functions to access and update storage variables efficiently.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

Summary by CodeRabbit

• New Features

  • Introduced structured storage patterns in several contracts to enhance state management and modularity.
  • Added new getter functions for state variables in upgraded contracts.

• Bug Fixes

  • Updated storage slot constants for improved accuracy in contract interactions.

• Refactor

  • Refactored state management in multiple contracts to utilize dedicated storage structs, improving maintainability and reducing risks of storage collisions during upgrades.

• Documentation

  • Updated comments for constants to clarify new calculation methods for storage slots.

[netlify[bot]]

‼️ Deploy request for kleros-v2-testnet rejected.

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🔨 Latest commit	413cea4f59e49f9fa565cbcd251a699f5de6cf4d

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👷 Deploy request for kleros-v2-university pending review.

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🔨 Latest commit	c78167d6eda5fde495d55ac170ad8c241abb1989

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👷 Deploy request for kleros-v2-neo pending review.

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🔨 Latest commit	c78167d6eda5fde495d55ac170ad8c241abb1989

[coderabbitai[bot]]

Walkthrough

The recent updates enhance the structure and maintainability of smart contracts by transitioning from direct state variable access to a defined storage pattern utilizing structs. This change promotes better encapsulation, aligns with best practices for proxy patterns, and improves gas efficiency. Key constants governing implementation slots were also updated, ensuring compatibility with current standards while maintaining the essential functionality of the contracts.

Changes

Files	Change Summary
contracts/src/proxy/...	Updated _INITIALIZABLE_STORAGE and IMPLEMENTATION_SLOT constants with new values; enhanced comments to reflect improved calculation methods.
contracts/src/proxy/mock/...	Refactored state management in NonUpgradeableMock, UUPSUpgradeableMock, UpgradedByInheritance, and UpgradedByRewrite to use structured storage.
contracts/src/proxy/mock/by-rewrite/...	Introduced UpgradedByRewriteV2 with an additional state variable; transitioned to structured storage while maintaining existing functionalities.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Contract
    participant Storage

    User->>Contract: Call function (e.g., increment)
    Contract->>Storage: Access storage struct
    Storage-->>Contract: Return state variable (e.g., counter)
    Contract-->>User: Return result

🐇 "In the code's bright spring, new patterns sway,
With structures and slots, they find their way.
A hop and a skip, through bytes we glide,
In a world of smart contracts, we take pride!
With each little change, the future's in sight,
Let’s dance through the code, oh what a delight!" ✨

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[codeclimate[bot]]

Code Climate has analyzed commit c78167d6 and detected 0 issues on this pull request.

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