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Update customize-precompile.mdx #2575

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7153c62
Update customize-precompile.mdx
MASDXI Aug 13, 2025
9d0b5e7
Merge branch 'master' into tutorial/precompiles
MASDXI Oct 5, 2025
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6 changes: 6 additions & 0 deletions docs/launch-arbitrum-chain/05-customize-your-chain/customize-precompile.mdx
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Expand Up @@ -90,6 +90,12 @@ hi

First, navigate to the [precompiles implementation](https://github.com/OffchainLabs/@@nitroRepositorySlug=nitro@@/blob/@@nitroVersionTag=v3.7.2@@/@@nitroPathToPrecompiles=precompiles@@/) directory, `/@@nitroPathToPrecompiles=precompiles@@`, and create a new precompile implementation file called `ArbHi.go`. We'll define a new method, and we'll give it an address:

:::important

When selecting an address for your custom precompile, precompile addresses must not conflicts with existing Ethereum and ArbOS precompiles and avoid using addresses in reserved ranges as defined by [EIP-7587](https://eips.ethereum.org/EIPS/eip-7587). These ranges are reserved for future Rollup Improvement Proposal (RIP) upgrades and using them may cause conflicts.

:::

```go
package precompiles

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7 changes: 7 additions & 0 deletions docs/partials/glossary/_rollup-improvement-proposal.mdx
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---
title: Rollup Improvement Proposal
key: rollup-improvement-proposal
titleforSort: Rollup Improvement Proposal
---

A Rollup Improvement Proposal (RIP) is a process for proposing, discussing, and recording changes or additions to Ethereum’s rollup ecosystem.