uniswap-v4-indexer

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uniswap-v4-indexer

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Fast Multichain Uniswap V4 Indexer - open to contributions

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# Uniswap V4 Indexer

[![Discord](https://img.shields.io/badge/Discord-Join%20Chat-7289da?logo=discord&logoColor=white)](https://discord.com/invite/envio)

A public, open-source multichain Uniswap V4 indexer built with [Envio HyperIndex](https://docs.envio.dev/docs/HyperIndex/overview). Powers [v4.xyz](https://v4.xyz), the hub for Uniswap V4 data and hooks analytics.

Open to contributions.

![v4.xyz Dashboard](https://raw.githubusercontent.com/enviodev/uniswap-v4-indexer/main/v4.gif)

## What This Indexes

This indexer tracks all key events from Uniswap V4 `PoolManager` and `PositionManager` contracts across multiple chains:

**Events indexed:**
- `Initialize` - pool creation with fee, tick spacing, and hooks
- `Swap` - all swaps with amounts, price, liquidity, and transaction details
- `ModifyLiquidity` - liquidity additions and removals
- `Donate` - donations to pools
- `Transfer` / `Approval` - ERC-6909 token transfers and approvals

**Chains:**
Ethereum, Optimism, Base, Arbitrum, Polygon, Blast, Zora, Avalanche, BNB Chain, Unichain, World Chain, Soneium, Ink, Linea, Celo

## What's Indexed

The GraphQL API exposes pool statistics, swap history, liquidity positions, and ERC-6909 token data across all supported chains. You can use this to power analytics dashboards, trading interfaces, liquidity trackers, hook monitors, and cross-chain Uniswap V4 data aggregations.

## Prerequisites

- [Node.js](https://nodejs.org/en/download/current) v24 or newer
- [pnpm](https://pnpm.io/installation) v8 or newer
- [Docker Desktop](https://www.docker.com/products/docker-desktop/)

## Quick Start

```bash
# Install dependencies
pnpm i

# Run locally (starts indexer + GraphQL API at http://localhost:8080)
pnpm envio dev
```

The Hasura console is available at [http://localhost:8080](http://localhost:8080) where you can explore and query indexed data using GraphQL.

## Regenerate Files

If you modify `config.yaml` or `schema.graphql`:

```bash
pnpm codegen
```

## RPC Configuration

RPC endpoints for each chain can be customized via environment variables prefixed with `ENVIO_`. See `.env.example` for the full list:

```bash
ENVIO_MAINNET_RPC_URL=https://your-mainnet-node
ENVIO_ARBITRUM_RPC_URL=https://your-arbitrum-node
```

## Querying the Data

Once running, query the GraphQL API to explore pool and swap data:

```graphql
{
  Pool(limit: 10, order_by: {volumeUSD: desc}) {
    id
    token0 { symbol }
    token1 { symbol }
    volumeUSD
    totalValueLockedUSD
  }
}
```

## Built With

- [Envio HyperIndex](https://docs.envio.dev/docs/HyperIndex/overview) - multichain indexing framework
- [HyperSync](https://docs.envio.dev/docs/HyperSync/overview) - high-performance blockchain data retrieval
- Based on the [Uniswap V4 Subgraph](https://github.com/Uniswap/v4-subgraph) schema (pricing and core entity logic)

## Documentation

- [HyperIndex Docs](https://docs.envio.dev/docs/HyperIndex/overview)
- [Uniswap V4 Multichain Indexer Reference](https://docs.envio.dev/docs/HyperIndex/example-uniswap-v4-multi-chain-indexer)
- [Uniswap V4 Docs](https://docs.uniswap.org/contracts/v4/overview)

## Contributing

This indexer is open to contributions. Open an issue or pull request on [GitHub](https://github.com/enviodev/uniswap-v4-indexer).

## Support

- [Discord community](https://discord.com/invite/envio)
- [Envio Docs](https://docs.envio.dev)

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