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@excubiae/contracts
Advanced tools
This package contains the smart contracts which define the composable framework for building custom attribute-based access control policies on Ethereum.
You can learn more in the Design section of the current documentation.
The extensions are ready to use Checker / Policy contracts that give unique features (e.g., enforcing a proof of membership for a Semaphore group with frontrunning resistance).
Please, follow the Guides section for an explanation on how to write, integrate & deploy; your own Checker & Policy contracts.
[!IMPORTANT]
Excubiae is currently in the MVP stage. Audits are not yet available. Expect fast development cycles with potential breaking changes — use at your own risk! Please, refer to release section for latest changes and updates.
You can install the excubiae contracts with any node package manager (bun
, npm
, pnpm
,yarn
):
bun add @excubiae/contracts
npm i @excubiae/contracts
pnpm add @excubiae/contracts
yarn add @excubiae/contracts
This package is configured to support the combination of Hardhat and Foundry, see the Hardhat's documentation to learn more.
Compile the smart contracts with Hardhat:
yarn compile:hardhat
Compile the smart contracts with Foundry's Forge:
yarn compile:forge
Run both in one command:
yarn compile
The package provides deployment scripts for the available extensions.
Deploy a Semaphore extension by providing the Semaphore contract address and group ID. This extension enforces membership proofs for a Semaphore group with frontrunning resistance.
Using Hardhat Ignition:
yarn deploy:semaphore-ignition --parameters '{"semaphoreAddress":"0x1234...5678","groupId":1}' --network sepolia
Using Hardhat task:
yarn deploy:semaphore-task --semaphore-address 0x1234...5678 --group-id 1 --network sepolia
Required parameters per deployment:
semaphoreAddress
: Address of the deployed Semaphore contractgroupId
: ID of the Semaphore group to check membership againstnetwork
: Network to deploy to (e.g., sepolia, hardhat, mainnet)Run Mocha to test the contracts (Typescript tests):
yarn test:hardhat
Run Foundry's Forge to test the contracts (Solidity tests):
yarn test:forge
Run both in one command:
yarn test
You can also generate a test coverage report:
yarn test:coverage
Or a test gas report:
yarn test:report-gas
You can generate smart contract documentation (book):
yarn docs:forge
FAQs
Excubiae contracts.
The npm package @excubiae/contracts receives a total of 533 weekly downloads. As such, @excubiae/contracts popularity was classified as not popular.
We found that @excubiae/contracts demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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