# @eth-optimism/rollup-dev-tools
> [Optimism] Optimistic Rollup Dev Tools Library
Latest version **0.0.1-alpha.28** (published 2020-07-25) · MIT license · 0 weekly downloads
## Install
```sh
npm install @eth-optimism/rollup-dev-tools
pnpm add @eth-optimism/rollup-dev-tools
yarn add @eth-optimism/rollup-dev-tools
bun add @eth-optimism/rollup-dev-tools
```
## Health
**Score 30/100 (F)** — status: abandoned.
Positive: no vulnerabilities; high maintenance score.
Warnings: low downloads; no types; no esm support; pre 1.0.
Negative: abandoned.
## Facts
| | |
|---|---|
| Version | 0.0.1-alpha.28 |
| Published | 2020-07-25 |
| First published | 2020-02-11 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 9 |
| Unpacked size | 254.5 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 6472 |
| Author | Optimism |
| Maintainers | ben-chain, k-ho, karlfloersch, masonforest, will_optimism |
| Keywords | optimism, optimistic, rollup, ethereum, client |
## Links
- npm: https://www.npmjs.com/package/@eth-optimism/rollup-dev-tools
- Repository: https://github.com/ethereum-optimism/optimism-monorepo
- Homepage: https://github.com/ethereum-optimism/optimism-monorepo/tree/master/packages/rollup-dev-tools#readme
- Issues: https://github.com/ethereum-optimism/optimism-monorepo/labels/%40eth-optimism%2Frollup-dev-tools
- npm.io page: https://npm.io/package/@eth-optimism/rollup-dev-tools
## Dependencies (9)
- [bn.js](https://npm.io/package/bn.js.md) ^5.1.1
- [dotenv](https://npm.io/package/dotenv.md) ^8.2.0
- [ethers](https://npm.io/package/ethers.md) ^4.0.42
- [async-lock](https://npm.io/package/async-lock.md) ^1.2.2
- [ethereumjs-tx](https://npm.io/package/ethereumjs-tx.md) ^2.1.2
- [ethereumjs-vm](https://npm.io/package/ethereumjs-vm.md) ^4.1.3
- [ethereumjs-abi](https://npm.io/package/ethereumjs-abi.md) ^0.6.8
- [@eth-optimism/core-utils](https://npm.io/package/@eth-optimism/core-utils.md) ^0.0.1-alpha.27
- [@eth-optimism/rollup-core](https://npm.io/package/@eth-optimism/rollup-core.md) ^0.0.1-alpha.28
## Alternatives
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## Recent versions
- 0.0.1-alpha.28 (latest) — 2020-07-25
- 0.0.1-alpha.23 (alpha) — 2020-03-18
- 0.0.1-alpha.27 — 2020-07-03
- 0.0.1-alpha.26 — 2020-07-03
- 0.0.1-alpha.25 — 2020-04-18
- 0.0.1-alpha.24 — 2020-03-20
- 0.0.1-alpha.21 — 2020-03-13
- 0.0.1-alpha.20 — 2020-03-12
- 0.0.1-alpha.19 — 2020-03-12
- 0.0.1-alpha.18 — 2020-03-11
- 0.0.1-alpha.17 — 2020-03-10
- 0.0.1-alpha.16 — 2020-03-10
- 0.0.1-alpha.15 — 2020-03-09
- 0.0.1-alpha.14 — 2020-03-05
- 0.0.1-alpha.13 — 2020-03-05
- … 12 more at https://npm.io/package/@eth-optimism/rollup-dev-tools/versions
## README
# Rollup Developer Tools
Package that contains developer tools for building on optimistic rollup.
### Dependencies
Please refer to the root README of this repo.
### Setup
Run `yarn install` to install necessary dependencies.
### Building
Run `yarn build` to build the code. Note: `yarn all` may be used to build and run tests.
### Testing
Run `yarn test` to run the unit tests.
## Transpiler
Enables transpilation of L1 contracts to L2 bytecode.
### Configuration
The transpiler is configured via the `config/default.json` file, which should not be changed.
Sensitive config values and overrides can be configured in `config/.env` which will not be versioned.
See: `config/.env.example` for more info.
### Execution
The transpiler is executed by running
`yarn transpile