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Home/Categories/Developer Tools/Surfpool
icon of Surfpool

Surfpool

Open source alternative to Helius, Alchemy and QuickNode

  • 615 stars
  • Apache-2.0
  • Active this week
  • Last commit 2 days ago

Last verified Oct 20, 2026

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

Visit websiteGitHub615 stars
image of Surfpool
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.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
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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