143 lines
3.5 KiB
JavaScript
143 lines
3.5 KiB
JavaScript
import * as React from 'react';
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import { StyleSheet, View, Text } from 'react-native';
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import {
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defaultPubsubTopic,
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newNode,
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start,
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isStarted,
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stop,
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peerID,
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relayEnoughPeers,
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listenAddresses,
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connect,
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peerCnt,
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peers,
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relayPublish,
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relayUnsubscribe,
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relaySubscribe,
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WakuMessage,
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onMessage,
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StoreQuery,
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storeQuery,
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Config,
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FilterSubscription,
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ContentFilter,
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filterSubscribe,
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} from '@waku/react-native';
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export default function App() {
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const [result, setResult] = React.useState();
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React.useEffect(() => {
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(async () => {
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const nodeStarted = await isStarted();
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if (!nodeStarted) {
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await newNode(null);
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await start();
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}
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console.log('The node ID:', await peerID());
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await relaySubscribe();
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onMessage((event) => {
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setResult(
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'Message received: ' +
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event.wakuMessage.timestamp +
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' - payload:[' +
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event.wakuMessage.payload +
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']'
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);
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console.log('Message received: ', event);
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});
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console.log('enoughPeers?', await relayEnoughPeers());
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console.log('addresses', await listenAddresses());
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console.log('connecting...');
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try {
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await connect(
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'/dns4/node-01.ac-cn-hongkong-c.wakuv2.test.statusim.net/tcp/30303/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm',
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5000
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);
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} catch (err) {
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console.log('Could not connect to peers');
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}
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try {
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await connect(
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'/dns4/node-01.do-ams3.wakuv2.test.statusim.net/tcp/30303/p2p/16Uiu2HAmPLe7Mzm8TsYUubgCAW1aJoeFScxrLj8ppHFivPo97bUZ',
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5000
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);
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} catch (err) {
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console.log('Could not connect to peers');
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}
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console.log('connected!');
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console.log('PeerCNT', await peerCnt());
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console.log('Peers', await peers());
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let msg = new WakuMessage();
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msg.contentTopic = 'ABC';
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msg.payload = new Uint8Array([1, 2, 3, 4, 5]);
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msg.timestamp = Date.now();
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msg.version = 0;
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let messageID = await relayPublish(msg);
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console.log('The messageID', messageID);
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// TO RETRIEVE HISTORIC MESSAGES:
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console.log('Retrieving messages from store node');
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const query = new StoreQuery();
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query.contentFilters.push(new ContentFilter('/toy-chat/2/luzhou/proto'));
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const queryResult = await storeQuery(
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query,
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'16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm'
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);
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console.log(queryResult);
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// USING FILTER INSTEAD OF RELAY:
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// Instantiate the node passing these parameters:
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// let config = new Config();
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// config.relay = false;
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// config.filter = true;
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// newNode(config})
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/*
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const filterSubs = new FilterSubscription();
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filterSubs.contentFilters.push(new ContentFilter("/toy-chat/2/luzhou/proto"))
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await filterSubscribe(filterSubs, "16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm")
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*/
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// console.log("Unsubscribing and stopping node...")
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// await relayUnsubscribe();
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// await stop(); // TODO: This must be called only once
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})();
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defaultPubsubTopic().then(setResult);
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}, []);
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return (
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<View style={styles.container}>
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<Text>{result}</Text>
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</View>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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alignItems: 'center',
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justifyContent: 'center',
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},
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box: {
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width: 60,
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height: 60,
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marginVertical: 20,
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},
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});
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