New Challenge 6: Multisig Wallet with Account Abstraction

[Nadai2010]

Overview

Create a new challenge that guides users through building a decentralized multisignature (multisig) wallet on Starknet. This wallet will utilize Starknet's native Account Abstraction features to offer enhanced security and flexibility beyond traditional Ethereum multisig solutions.

👩‍👩‍👧‍👧 Advanced Multisig Wallet with Account Abstraction

Objective: Develop a smart contract wallet that requires multiple approvals for transaction execution, leveraging Starknet's Account Abstraction capabilities. This wallet should:

• Dynamic Ownership: Allow for the addition and removal of owners.
• Configurable Thresholds: Enable setting a customizable number of required approvals for transactions.
• Enhanced Security: Utilize Argent X's features, such as guardians and social recovery mechanisms, to bolster wallet security.

Proposed Solution

1. Understand the Mechanics of Account Abstraction and Argent X

   • Study Starknet's native Account Abstraction to comprehend how it differs from Ethereum's model.
   • Explore Argent X's implementation of multisig wallets and its utilization of Account Abstraction.

2. Design the Multisig Wallet Contract

   • Owner Management: Implement functions to add or remove wallet owners.
   • Threshold Configuration: Develop logic to set and modify the number of required approvals for transaction execution.
   • Transaction Proposal and Approval: Create a system where proposed transactions are stored and require a predefined number of approvals before execution.

3. Integrate Enhanced Security Features

   • Guardians: Incorporate guardian roles that can approve transactions or initiate recovery processes in case of compromised owner keys.
   • Social Recovery: Implement mechanisms allowing owners to recover access through a predefined social recovery process.

4. Develop a User Interface with Argent X

   • Utilize Argent X to interact with the multisig wallet, enabling users to propose, approve, and execute transactions seamlessly.

5. Testing and Documentation

   • Thoroughly test the contract to ensure security and functionality.
   • Document the contract's architecture, usage instructions, and security considerations.

Repository & Workflow

1. Create a separate private repository

   • Implement the challenge in Starknet using Cairo.
   • Ensure the contract logic follows best practices.
   • Document the challenge structure and steps in a README.md, following the format of previous challenges.

2. Assign repository access

   • Grant repository access to nadai2010 or 0xquantum3labs for review and feedback.

Next Steps

• Research: Deep dive into Starknet's Account Abstraction and Argent X's multisig implementation.
• Design: Outline the contract's architecture, focusing on owner management, transaction flow, and security features.
• Development: Implement the contract in Cairo, adhering to best practices.
• Testing: Conduct comprehensive testing to identify and rectify vulnerabilities.
• Documentation: Prepare detailed documentation to assist users and developers in understanding and utilizing the multisig wallet.