---
title: "execution/txpool"
description: "OP-Reth transaction pool with gas estimation and L1 data cost accounting."
source: https://basehub.org/crates/execution/txpool/
---
import { LinkCard } from '@astrojs/starlight/components';

## Overview

The `execution/txpool` sub-crate (`reth-optimism-txpool`) is part of the [execution crate group](/crates/execution/overview/).

It manages the OP-Reth transaction pool, applying gas estimation and L1 data fee accounting to pending transactions before they enter blocks.

## Source

<LinkCard title="View source on GitHub" href="https://github.com/base/base/tree/main/crates/execution/txpool" />