[Wallet V5] Introducing Extensible Wallet V5: A Comprehensive Specification

The Extensible Wallet V5 represents a significant advancement in the realm of digital wallets, aiming to supersede its predecessor, Wallet V4, by offering a framework that supports arbitrary extensions. This initiative is spearheaded by Oleg Andreev, with valuable contributions from Andrew Gutarev, and further enriched by ideas and discussions from the community, including [@subden], [@botpult], and [@tvorogme].

Abstract

The Extensible Wallet V5 is designed to enhance user experience and operational efficiency through its support for multiple authentication modes, a variety of operation types, and the innovative use of action lists for outgoing messages. Its architecture allows for seamless wallet upgrades and extension integration, fostering a decentralized ecosystem where extensions can coexist without conflict.

Key Features

  • Reduced Computation Fees: Offers a 25% reduction in computation fees compared to previous versions.
  • Support for Multiple Outgoing Messages: Facilitates an arbitrary number of outgoing messages via an action list.
  • Upgradeable Wallet Code: Enables transparent wallet code upgrades without affecting the user’s address.
  • Extensible Framework: Allows for decentralized, conflict-free extension of wallet functionalities.
  • Third-Party Gas Fee Payments: Supports signed requests via internal messages, enabling third-party coverage of gas fees.

Comparative Analysis

Feature Extensible Wallet V5 Previous Versions
Computation Fee Reduction 25% None
Outgoing Messages Arbitrary number Limited
Code Upgradeability Transparent Not supported
Decentralized Extensions Supported Not supported
Third-Party Gas Payment Supported Not supported
Opcode for External Messages 32-bit Not specified
Authentication Modes 2 1
Additional Operation Types 3 Standard

Technical Overview

The wallet operates under two primary authentication modes: signature-based and extension-based, accommodating all standard output actions along with three additional operation types. These enhancements ensure that all operation types are accessible across authentication modes, underlining the wallet’s versatility.

Operational Modes

  • Authentication: Facilitated through either signature or extension.
  • Operation Types: Encompasses standard output actions, data setting, extension installation, and removal.

Extensibility and Upgrades

The Extensible Wallet V5 emphasizes the use of extensions to broaden functionality, allowing other contracts to perform actions as if they were the wallet owner. It introduces a systematic approach to performing code optimizations and emergency upgrades without necessitating a change in the wallet address, ensuring backward compatibility and minimizing disruptions for users.

Discussion Highlights

  • Purpose and Limitations: The wallet is designed for single-user operation, directing multi-user operations to alternative solutions like multisig or DAO.
  • Extending Functionality: Extensions offer a scalable way to enhance wallet capabilities, with the potential for code optimization and emergency upgrades as needed.
  • Gas Fee Outsourcing: The wallet supports gas fee payment by third parties, simplifying transactions.
  • Plugin Implementation: Plugins can implement subscriptions and collect tokens, with provisions for self-destruction and efficient deployment.

Wallet ID and Packed Address

The specification introduces a unique wallet ID to differentiate between wallet versions and chains, alongside an efficient method for address compression to streamline extension authorization.

TL-B Definitions and Source Code

The document provides detailed TL-B definitions for actions and authentication modes, alongside the complete source code for the wallet, available in the specified repository.

Conclusion

The Extensible Wallet V5 specification lays the foundation for a versatile, efficient, and forward-looking digital wallet. Its design not only reduces operational costs but also paves the way for a decentralized, extensible ecosystem, offering a robust framework for the future of digital transactions.

Analyzing the Evolution to Extensible Wallet V5: A Breakthrough in Digital Wallet Technology

The Extensible Wallet V5 emerges as a groundbreaking development in the digital wallet landscape, aiming to revolutionize how users interact with blockchain technologies. Spearheaded by Oleg Andreev and enriched by contributions from Andrew Gutarev and the broader community, the Extensible Wallet V5 seeks to address the limitations of its predecessors by introducing a framework that significantly enhances flexibility, efficiency, and user experience.

Overview of the Extensible Wallet V5

The Extensible Wallet V5 is designed to supersede the Wallet V4 by incorporating several innovative features that streamline operations and expand the wallet’s capabilities. Notably, it introduces a 25% reduction in computation fees, supports an arbitrary number of outgoing messages through an action list, and facilitates transparent wallet code upgrades. Moreover, it allows for decentralized, conflict-free extension of wallet functionalities, enabling third-party gas fee payments and ensuring consistency in handling external messages.

Comparative Analysis with Previous Versions

Feature Extensible Wallet V5 Previous Versions
Computation Fee Reduction 25% reduction No reduction
Outgoing Messages Arbitrary number supported Limited number
Code Upgradeability Transparent upgrades Not supported
Decentralized Extensions Supported Not supported
Third-Party Gas Payment Supported Not supported
External Messages Opcode 32-bit opcode Not specified
Authentication Modes 2 (signature and extension) 1 (signature)
Additional Operation Types 3 new types Standard operations only

Technical Innovations and Operational Modes

The Extensible Wallet V5 introduces two primary authentication modes (signature-based and extension-based) and supports standard output actions alongside three additional operation types. These enhancements underscore the wallet’s adaptability and potential to cater to a wide range of user needs.

Key Discussions and Insights

  • Wallet’s Primary Function: The wallet’s primary role is to facilitate message sending to other applications within the TON network on behalf of a single user, with the potential to delegate tasks to other applications via extensions.
  • Extensions and Wallet Upgradeability: The wallet leverages extensions to expand its functionalities in a decentralized manner, allowing for code optimization and emergency upgrades without necessitating a change in the wallet address.
  • Gas Fee Outsourcing: The Extensible Wallet V5 enables third-party coverage of gas fees, simplifying transactions for users and promoting broader adoption.

Challenges and Recommendations

While the Extensible Wallet V5 introduces several advancements, it also presents challenges related to multi-user operation, routing incoming payments, and asset restrictions. These limitations suggest a need for alternative solutions like multisig or DAO for multi-user operations and specialized contracts for incoming payment routing.

Conclusion

The Extensible Wallet V5 represents a significant leap forward in digital wallet technology, offering a robust framework for future developments in digital transactions. Its focus on extensibility, efficiency, and user experience positions it as a pivotal innovation in the blockchain space, potentially setting new standards for digital wallets. As the TON ecosystem continues to evolve, the Extensible Wallet V5 offers a glimpse into the future of blockchain interactions, emphasizing the importance of flexibility, security, and user-centric design in digital asset management.