> For the complete documentation index, see [llms.txt](https://docs.delphirhc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.delphirhc.com/readme.md).

# Overview

Delphi is a token launchpad on Robinhood Chain. Every token launched on it trades in a Uniswap v4 pool with a Delphi hook attached, and that hook records a time-weighted average price on every swap. The result is an oracle that exists from the token's first trade and that any contract can read with one call.

This documentation covers three things: how to launch and trade a token, how the oracle works and how to read it from a contract, and the addresses and interfaces of the deployed contracts.

## Why the oracle matters

A token that only has a pool only has a spot price, and a spot price can be moved to any value by a single swap. That is why nothing serious gets built on launchpad tokens: a lending market cannot liquidate against a price that can be faked in one block, and a perp cannot settle on it.

Delphi solves this at the launch itself. Because the hook is part of the pool, the price history is written by the pool as it trades, and the average over any window is available on-chain the moment someone asks for it. The design is the one Uniswap v3 pools have used since 2021, with an extra rule that bounds how far the recorded price can move per second.

## Where things are

Delphi runs on Robinhood Chain testnet today. The app is at [delphirhc.com](https://delphirhc.com), the contracts are source-verified on the testnet explorer, and their addresses are listed under [Addresses](/contracts/addresses.md).


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