Awesome

<h1 align=center>Foundry project for Rate-Limit Nullifier contract</h1> <p align="center"> <img src="https://github.com/Rate-Limiting-Nullifier/rln-contracts/workflows/Tests/badge.svg" width="140"> </p>

How to use

Install Foundry framework:

curl -L https://foundry.paradigm.xyz | bash
foundryup

Build:

forge build

Test:

forge test

Deploy:

You can change values (env variables) used for the contract initialization in .env file.

To deploy to Goerli:

source .env
forge script script/RLN.s.sol:RLNScript --rpc-url $GOERLI_RPC_URL --broadcast --etherscan-api-key <YOUR-API-KEY> --verifier-url https://api-goerli.etherscan.io//api --verify -vvvv --private-key <YOUR-PRIVATE-KEY>

This will also verify contracts on Etherscan.

What's RLN?

RLN is a zero-knowledge gadget that enables spam prevention in anonymous environments.

The core parts of RLN are:

zk-circuits in Circom;
registry smart-contract (this repo);
set of libraries to build app with RLN (rlnjs, zerokit).

To learn more on RLN and how it works - check out documentation.