solana-labs/solana-program-library

transfer hook: Add JS support for managing hook programs

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#5,974 opened on Dec 10, 2023

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 (5 comments) (0 reactions) (0 assignees)Rust (2,401 forks)auto 404
good first issuejavascript

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Description

Problem

Currently, we've got some of the minimally necessary "extra account metas" support within @solana/spl-token. However, the toolset isn't complete for those who wish to create and test a transfer hook program against the interface.

For example, the instructions one would use to hit their hook program and initialize or update extra account metas is not present in @solana/spl-token, nor is there support for creating ExtraAccountMeta types with packed seed configurations, etc.

Solution

I believe the best way to do this is to roll a @solana/spl-transfer-hook package and provide all of the necessary off-chain tooling from the Rust libraries.

Then, @solana/spl-token can use this package to offer it's various tooling that matches Token2022's crate.

Contributor guide

Research direction
Study the existing Rust implementation of transfer hook and ExtraAccountMeta in solana program library, then create a new @solana/spl transfer hook package with JavaScript/TypeScript bindings for all necessary instructions and account meta creation.
Tech stack
javascripttypescriptrust
Domain
developer experiencetooling
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
JavaScriptGitSolana CLI
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65