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Home/Categories/Developer Tools/Surfpool
icon of Surfpool

Surfpool

Open source alternative to Alchemy, QuickNode and Helius

Run Solana mainnet account simulations locally with a validator replacement for safer smart contract testing.

613 starsRustApache-2.0Active this week
Visit websiteGitHub repo
image of Surfpool
Contents
  1. 01Who Surfpool is for
  2. 02The problem it solves
  3. 03How it solves it
  4. 04Strengths and trade-offs
  5. 05Tech stack
  6. 06FAQ
  7. 07Similar open-source tools
TL;DR

Surfpool is a Solana development environment that replaces solana-test-validator for local networks backed by real mainnet state. It helps Web3 teams simulate, debug, and index Solana programs before touching mainnet. Apache-2.0 licensed.Apache-2.0 · Rust · 613 stars · Active this week

who it's for

Who Surfpool is for#

Solana protocol developers

Surfpool fits teams that need to test programs against realistic account state before deploying changes.

Skip if:

Your project is not built on Solana.

Web3 teams building local simulations

The scenario and cheatcode features help reproduce edge cases without touching mainnet.

Skip if:

You only need a basic local validator for simple experiments.

the problem

The problem it solves#

Solana developers need to test against realistic chain state, but downloading large snapshots or relying only on minimal local validators can hide integration problems. That slows protocol testing and makes debugging harder before mainnet deployment.

Teams also need reproducible infrastructure for on-chain and off-chain components. Without a declarative setup, local test networks become one-off environments that are hard to share across developers.

how Surfpool solves it

How it solves it#

Mainnet-state local networks

Surfpool is positioned as a drop-in replacement for solana-test-validator that can mirror mainnet state without downloading the entire chain.

IDL-to-SQL indexing

The README describes transforming on-chain IDL into queryable SQL schemas for SQLite or Postgres-backed local analytics.

Scenario-based testing

Surfpool scenarios let developers curate account states and reproduce chain-state conditions for stress testing and debugging.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Purpose-built for Solana buildersSurfpool solves a concrete Solana developer pain: realistic local testing without heavy chain-state setup.
  • Connects simulation and infrastructureThe Infrastructure as Code framing helps teams define repeatable environments instead of relying on manual validator setup.

Trade-offs

  • -Specific to Solana workflowsSurfpool is valuable for Solana teams, but it is not a general blockchain simulator or a replacement for production mainnet validation.
tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptPythonRustTypeScript
frequently asked

FAQ#

What does Surfpool replace?

The README positions Surfpool as a drop-in replacement for solana-test-validator for developers who need realistic Solana local networks.

Does Surfpool use real mainnet state?

Yes. Surfpool is designed to work with real mainnet state without requiring developers to download the entire chain.

What license does Surfpool use?

GitHub metadata reports Apache-2.0 licensing for the Surfpool repository.

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Repository

Stars
613
Forks
190
License
Apache-2.0
Latest
v1.6.0
Last commit
today
Last verified
Oct 8, 2026
Repo
txtx/surfpool ↗

Additional details

Language
Rust
Open issues
58
Contributors
74
First release
2025

Categories

Developer ToolsWeb DevelopmentDevOps & CI/CD

Tags

TestingDeveloper ToolsWeb3Infrastructure as CodeCLIDevOps Tools