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Hardhat Project for Rln-interep-contract

Compilation

yarn compile

Testing

yarn test

Test with Waku-RLN-Relay (chat2)

Clone nwaku and switch to the rln-interep-poc branch
Fetch dependencies
```
yarn
```
In a different terminal window, start the local eth node
```
yarn start
```
In a new terminal window, run the deployment script and the interep group registration script
```
yarn deploy localhost_integration --reset && yarn e2e 11d5888ff45486b90a506367a4262e65a097c4b8eb509f3db01fbff714a96cbb
```
The string after yarn e2e is used for deterministic credential generation.

Make note of the ID Commitment, ID Key and Index from the output of running the e2e script.
Open 3 terminal windows with nwaku as the base directory
In one of them, build chat2
```
make -j8 chat2 RLN=true
```

Run Alice's chat2 instance

 ./build/chat2 --fleet:none --content-topic:/toy-chat/2/luzhou/proto --rln-relay:true --rln-relay-dynamic:true --rln-relay-eth-contract-address:<use-the-contract-from-step-4> --rln-relay-eth-client-address:ws://localhost:8545 --ports-shift:5 --rln-relay-eth-account-private-key:3c914dff62bd200e1e1b1af9d40eace4bc70875d1007b8cad4a950d3c7b3e442 --log-level=DEBUG
# Choose a nickname >> Alice

Make note of Alice's peer address

In a different window, run Bob's chat2 instance

./build/chat2 --fleet:none --content-topic:/toy-chat/2/luzhou/proto --rln-relay:true --rln-relay-dynamic:true --rln-relay-eth-contract-address:<use-the-contract-from-step-4> --rln-relay-eth-client-address:ws://localhost:8545 --ports-shift:5 --rln-relay-eth-account-private-key:3c914dff62bd200e1e1b1af9d40eace4bc70875d1007b8cad4a950d3c7b3e442 --log-level=DEBUG --staticnode:<alice-peer-address>
# Choose a nickname >> Bob

In a different window, run Carol's chat2 instance (we will use the same credentials that we used for Interep)

./build/chat2 --fleet:none --content-topic:/toy-chat/2/luzhou/proto --rln-relay:true --rln-relay-dynamic:true --rln-relay-eth-contract-address:<use-the-contract-from-step-4> --rln-relay-eth-client-address:ws://localhost:8545 --ports-shift:5 --rln-relay-id-commitment-key:<from-output-of-step-4> --rln-relay-id-key:<from-output-of-step-4> --rln-relay-membership-index:<from-output-of-step-4> --log-level=DEBUG --staticnode:<alice-peer-address>
# Choose a nickname >> Carol

Now you can send messages from Carol, and they will be validated by Alice. Spam messages will be detected and dropped before relaying to Bob.

Test with Interep UI deployed on Goerli/other testnets

Fund an address with Goerli ETH from https://goerlifaucet.com
Fetch dependencies
```
yarn
```
Set the private key of the funded address into the env of a terminal window
```
export PRIVATE_KEY=<your-private-key>
```
Navigate to https://goerli.interep.link
Connect your wallet (using the funded address)
Follow the instructions to authorize a web2 provider of your choice. Note that only Github and Reddit are supported by RLN.
- Note the provider name and reputation you have
- Wait 2 minutes for the transaction containing your registration to be mined

In the open terminal window, run

yarn proof <web2 provider name> <web2 reputation> goerli

In a new terminal window, run
```
yarn ui
```
- If http-server is missing, yarn global add http-server will resolve the issue.
Navigate to http://127.0.0.1:8080
Connect your wallet and fetch the contract state from the blockchain
Scroll down to the "Or use credentials you generated elsewhere:" section, and add the credentials obtained in step 7.
Scroll down and select "With semaphore proof"
Add the proof values from obtained in step 7
Click "Register with Proof"
Approve the transaction
In a new terminal window, Clone nwaku and switch to the rln-interep-poc branch
Run

make -j8 wakunode2 RLN=true && ./build/wakunode2 --rln-relay-content-topic:/toy-chat/2/luzhou/proto \
                                                 --rln-relay:true \
                                                 --rln-relay-dynamic:true \
                                                 --rln-relay-eth-contract-address:0xCd41a0aC28c5c025779eAC3208D0bF23baa3a5b6 \
                                                 --rln-relay-eth-client-address:ws://<goerli-rpc-url> \
                                                 --ports-shift=22 \
                                                 --log-level=DEBUG \
                                                 --dns-discovery \
                                                 --dns-discovery-url:enrtree://AOGECG2SPND25EEFMAJ5WF3KSGJNSGV356DSTL2YVLLZWIV6SAYBM@prod.waku.nodes.status.im \
                                                 --discv5-discovery:true \
                                                 --lightpush \
                                                 --filter \
                                                 --websocket-support \
                                                 --websocket-port:8000

Make note of the node's multiaddr. It should look something like /ip4/172.13.4.12/tcp/8022/ws/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm

In the browser, Add the multiaddr you obtained in step 17.
Choose a nickname, and send messages!

Deploying

To deploy on local node, first start the local node and then run the deploy script

yarn start
yarn deploy:localhost

To deploy to an target network (like Goerli), use the name as mentioned in the Hardhat config file.

yarn deploy:goerli

References

For more information, see https://hardhat.org/hardhat-runner/docs/guides/project-setup

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