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Our EthDenver 2022 hackathon submission - HOPR bounty winner

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HOPR-Relay

HOPR-Relay is a 2 component system which may be used to send transactions to Ethereum (or any EVM-compatible blockchain) using the HOPR network to ensure full metadata privacy. The system is composed of :

Component Description
React app Responsible for serving a front-end where users may submit their signed transactions.
Node.js script A hopr node plugin that acts as a message listener, filters incoming messages and if it finds a transaction, it forwards it to an RPC endpoint.

Installing the components

Start by cloning the repo: git clone https://github.com/Eliaxie/HOPR

Install dependencies by running npm install

Using the components

Sender

To run the React app, run npm run start. This will run the front end on localhost:3000/HOPR.

Receiver

To run the Node.js script, run node ./src/receiver/build/receiver.js. Please note that running the script with no arguments will cause it to exit on launch: some parameters must be given through the terminal when running the script.

To view these details, run node ./src/receiver/build/receiver.js -h.

Examples of correct format for the arguments may be:

  • node ./src/receiver/build/receiver.js myApiToken ws://destination.node.url 12345
  • node ./src/receiver/build/receiver.js myApiToken ws://destination.node.url

Video Demo

Find here a quick demo of how the relay is to be used

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License

MIT

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Our EthDenver 2022 hackathon submission - HOPR bounty winner

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