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Merge pull request libp2p#60 from little-bear-labs/feature/refactor-a…
…nd-add-tests-and-coverage Feature/refactor and add tests and coverage
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| # Coverage reports | ||
| coverage | ||
| .coverage | ||
| .nyc_output | ||
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| # API keys and secrets | ||
| .env | ||
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| # Examples | ||
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| * [Browser to Server Echo](browser-to-server/README.md): connect to a go-libp2p-webrtc server with a browser | ||
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| # js-libp2p-webrtc Browser to Server | ||
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| This example leverages the [vite bundler](https://vitejs.dev/) to compile and serve the libp2p code in the browser. You can use other bundlers such as Webpack, but we will not be covering them here. | ||
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| ## Running the Go Server | ||
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| To run the Go LibP2P WebRTC server: | ||
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| ```shell | ||
| npm run go-libp2p-server | ||
| ``` | ||
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| Copy the multiaddress in the output. | ||
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| ## Running the Example | ||
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| In a separate console tab, install dependencies and start the Vite server: | ||
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| ```shell | ||
| npm i && npm run start | ||
| ``` | ||
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| The browser window will automatically open. | ||
| Using the copied multiaddress from the Go server, paste it into the `Server MultiAddress` input and click the `Connect` button. | ||
| Once the peer is connected, click the message section will appear. Enter a message and click the `Send` button. | ||
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| The output should look like: | ||
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| ```text | ||
| Dialing /ip4/10.0.1.5/udp/54375/webrtc/certhash/uEiADy8JubdWrAzseyzfXFyCpdRN02eWZg86tjCrTCA5dbQ/p2p/12D3KooWEG7N4bnZfFBNZE7WG6xm2P4Sr6sonMwyD4HCAqApEthb | ||
| Peer connected '/ip4/10.0.1.5/udp/54375/webrtc/certhash/uEiADy8JubdWrAzseyzfXFyCpdRN02eWZg86tjCrTCA5dbQ/p2p/12D3KooWEG7N4bnZfFBNZE7WG6xm2P4Sr6sonMwyD4HCAqApEthb' | ||
| Sending message 'hello' | ||
| Received message 'hello' | ||
| ``` |
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8" /> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | ||
| <title>js-libp2p WebRTC</title> | ||
| <style> | ||
| label, | ||
| button { | ||
| display: block; | ||
| font-weight: bold; | ||
| margin: 5px 0; | ||
| } | ||
| div { | ||
| margin-bottom: 20px; | ||
| } | ||
| #send-section { | ||
| display: none; | ||
| } | ||
| input[type='text'] { | ||
| width: 800px; | ||
| } | ||
| </style> | ||
| </head> | ||
| <body> | ||
| <div id="app"> | ||
| <div> | ||
| <label for="peer">Server MultiAddress:</label> | ||
| <input type="text" id="peer" /> | ||
| <button id="connect">Connect</button> | ||
| </div> | ||
| <div id="send-section"> | ||
| <label for="message">Message:</label> | ||
| <input type="text" id="message" value="hello" /> | ||
| <button id="send">Send</button> | ||
| </div> | ||
| <div id="output"></div> | ||
| </div> | ||
| <script type="module" src="./index.js"></script> | ||
| </body> | ||
| </html> |
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| import { createLibp2p } from 'libp2p' | ||
| import { Noise } from '@chainsafe/libp2p-noise' | ||
| import { multiaddr } from '@multiformats/multiaddr' | ||
| import first from "it-first"; | ||
| import { pipe } from "it-pipe"; | ||
| import { fromString, toString } from "uint8arrays"; | ||
| import { webRTC } from 'js-libp2p-webrtc' | ||
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| let stream; | ||
| const output = document.getElementById('output') | ||
| const sendSection = document.getElementById('send-section') | ||
| const appendOutput = (line) => output.innerText += `${line}\n` | ||
| const clean = (line) => line.replaceAll('\n', '') | ||
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| const node = await createLibp2p({ | ||
| transports: [webRTC()], | ||
| connectionEncryption: [() => new Noise()], | ||
| }); | ||
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| await node.start() | ||
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| node.connectionManager.addEventListener('peer:connect', (connection) => { | ||
| appendOutput(`Peer connected '${node.getConnections().map(c => c.remoteAddr.toString())}'`) | ||
| sendSection.style.display = 'block' | ||
| }) | ||
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| window.connect.onclick = async () => { | ||
| const ma = multiaddr(window.peer.value) | ||
| appendOutput(`Dialing ${ma}`) | ||
| stream = await node.dialProtocol(ma, ['/echo/1.0.0']) | ||
| } | ||
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| window.send.onclick = async () => { | ||
| const message = `${window.message.value}\n` | ||
| appendOutput(`Sending message '${clean(message)}'`) | ||
| const response = await pipe([fromString(message)], stream, async (source) => await first(source)) | ||
| const responseDecoded = toString(response.slice(0, response.length)); | ||
| appendOutput(`Received message '${clean(responseDecoded)}'`) | ||
| } |
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