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@rhinestone/modulekit

v0.5.1

Published

A development kit for building and testing smart account modules.

Downloads

544

Readme

ModuleKit

A development kit for building and testing smart account modules

ModuleKit allows you to:

  • Easily build smart account modules with interfaces for:
    • Validators
    • Executors
    • Hooks
  • Unit test your modules using a dedicated helper library
  • Integration test your modules using different modular ERC-4337 accounts and a helper library that abstracts away the complexity

In-depth documentation is available at docs.rhinestone.wtf.

The ModuleKit is in active development and is subject to breaking changes. If you spot a bug, please take out an issue and we will fix it as soon as we can.

Using the ModuleKit

Installation

Using our template

Use the module-template to create a new repo and install the dependencies:

pnpm install

Using git submodules

forge install rhinestonewtf/modulekit
cd lib/modulekit
pnpm install

Using a package manager

pnpm install @rhinestone/modulekit --shamefully-hoist
cp node_modules/@rhinestone/modulekit/remappings.txt remappings.txt

Usage

The ModuleKit can be used to build, test and deploy smart account modules. The full documentation is available at docs.rhinestone.wtf, but the following aims to provide a quick overview.

Building modules

Import Module bases from modulekit/Modules.sol. The core bases include:

  • ERC7579ValidatorBase: A base for building validators
  • ERC7579ExecutorBase: A base for building executors
  • ERC7579HookBase: A base for building hooks
  • ERC7579HookDestruct: A base for building hooks with destructured calldata (e.g. onExecute or onInstallModule)
  • ERC7579FallbackBase: A base for building fallbacks

We also provide more advanced bases like:

  • SchedulingBase: A base for building schedule-based executors
  • ERC7484RegistryAdapter: A base for querying the Module Registry

Testing modules

The ModuleKit provides an integration test suite for testing your modules across different modular accounts. To use the test suite, inherit from RhinestoneModuleKit and create an account instance using makeAccountInstance(accountName). To learn more about using this instance, visit the documentation for our integration test suite.

You can then run the tests using the following commands:

forge test

Using a different account type (one of SAFE and KERNEL):

ACCOUNT_TYPE=SAFE forge test

To validate the ERC-4337 rules:

SIMULATE=true forge test

To calculate gas consumption of modules using instance.log4337Gas("identifier"):

GAS=true forge test

Deploying modules

To deploy modules using the Module Registry, you can use the RegistryDeployer in a foundry script. You can then deploy your module using the following command:

address module = deployModule({
    code: bytecode,
    deployParams: deployParams,
    salt: bytes32(0),
    data: additionalData
});

Module Examples

For module examples, check out our core modules or our experimental modules and for module inspiration see our module idea list. For general examples, check out the awesome modular accounts repo.

Using this repo

To install dependencies, run:

pnpm install

To build the project, run:

pnpm build

To run tests, run:

pnpm test

To run the linter, run:

pnpm lint:sol

Contributing

For feature or change requests, feel free to open a PR, start a discussion or get in touch with us.