2022-10-28 03:17:15 +00:00
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# Using [RLN](https://rfc.vac.dev/spec/32/) in JavaScript
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> Rate limiting nullifier (RLN) is a construct based on zero-knowledge proofs
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> that provides an anonymous rate-limited signaling/messaging framework
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> suitable for decentralized (and centralized) environments
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2022-09-26 00:41:30 +00:00
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**Demonstrates**:
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2022-10-28 03:17:15 +00:00
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- RLN:
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- Generate credentials
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- Insert membership to smart contract (Goerli testnet)
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- Retrieve smart contract state
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- Generate and send proofs
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- Verify incoming proofs
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2022-09-26 00:41:30 +00:00
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- Pure Javascript/HTML.
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- Use minified bundle of js from unpkg.com, no import, no package manager.
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2022-11-18 02:00:18 +00:00
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To test the example:
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```shell
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git clone https://github.com/waku-org/js-waku-examples
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2023-06-23 04:35:06 +00:00
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cd js-waku-examples/examples/rln-js
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2022-11-18 02:00:18 +00:00
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npm install
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npm run start
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# open http://127.0.0.1:8080 In your browser
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```
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**There are a known issue using this webapp with Firefox + MetaMask. Try Chrome or Brave if you encounter any issue**.
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2022-09-26 00:41:30 +00:00
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The `master` branch's HEAD is deployed at https://examples.waku.org/rln-js/.
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