alloy-rs/alloy

[Feature]: support subscription to finalized blocks

Open

#2,640 opened on Jul 1, 2025

View on GitHubContributor guide
 (9 comments) (1 reaction) (1 assignee)Rust (631 forks)github user discovery
enhancementgood first issue

Repository metrics

Stars
 (1,280 stars)
PR merge metrics
 (PR metrics pending)

Description

Component

provider, pubsub

Describe the feature you would like

It would be useful in many scenarios to support a subscription to finalized blocks from a beacon (light) client.

Possible solution: add extra trait like BeaconApi in provider::ext mod

Additional context

No response

Contributor guide

Research direction
Study the existing traits in `provider::ext`, particularly the `BeaconApi` trait if it exists, and understand how to implement a subscription for finalized blocks from a beacon (light) client. Look at examples of other subscriptions in the codebase.
Tech stack
rust
Domain
backendapi
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
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
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50