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Poseidon ZKP

Poseidon ZK scales and make easy of zkDApp development in Ethereum. Poseidon ZKP contains the ZK Primitives that Poseidon offers/supports. A ZK Primitives include:

  • ZKP circuit (usually written in Circom)
  • Solidity smart contract, containing the verifier and other functions
  • TypeScript SDK, containing functions to help DApp Devs generating ZKP and doing other crypptogrpahic operations on their DApp.

Prerequisite

Setup Yarn v2 to enable workspace feature

Note: you need to migrate to Yarn v2 if not already, guide here. Follow the Yarn official instruction npm i -g corepack corepack prepare yarn@stable --activate yarn plugin import workspace-tools Now we can use yarn workspace commands, more info

Install

yarn

After installation, the dependencies of all the packages will be installed.

Compile all packages

yarn workspaces foreach run compile

Test all packages

yarn workspaces foreach run test

Packages

💡 @zk-shuffle/circuits

This package contains all the Circom circuit components with related unit test cases. Circuit integrators can directly import the circuits in this package.

Install

yarn install @zk-shuffle/circuits

If you want to develop based on this package, it's highly recommended to change the default ptau setting in hardhat.config.ts to your own generated trust setup.

Compile

yarn compile

After running compilation, zkey files, wasm files, verifier Solidity contracts will be generated, and can be imported by JavaScript users and contract users.

Testing

yarn test

⛓ @zk-shuffle/contracts

This package depends on circuit package and its generated verifier contracts. It extends the contract of verifier contracts and can be integrated by user-end developers.

Install

yarn install @zk-shuffle/contracts

Compile

yarn compile

Testing

yarn test

The unit tests in contracts package use proof generation utilities from proof package and perform some e2e tests.

🛠 @zk-shuffle/jssdk

Install

yarn install @zk-shuffle/jssdk

🧾 @zk-shuffle/proof

This package provides some utilities for generating zk proofs and is depended by contracts package to do some unit tests.

Install

yarn install @zk-shuffle/proof

Compile

yarn compile

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  • Solidity 69.0%
  • TypeScript 24.0%
  • Circom 4.9%
  • EJS 1.8%
  • JavaScript 0.3%