Foundry project for Rate-Limit Nullifier contract

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.

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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).

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