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js-waku-examples
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status-im-auto 2022-10-04 05:31:18 +00:00 committed by Jenkins
parent ebe1acaa30
commit 6c114b00a9
1 changed files with 183 additions and 39 deletions
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222
rln-js/index.html
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@ -10,8 +10,17 @@
<body>
<div><h1>RLN</h1>
<div><h2>Wallet</h2>
<div id='wallet'></div>
<button disabled id='connect-wallet' type='button'>Connect Wallet</button>
</div>
<div><h2>RLN</h2>
<button disabled id='retrieve-rln-details' type='button'>Retrieve RLN contract state from blockchain</button>
</div>
<p>You can either generate new credentials:</p><br/>
<button id='generate-credentials' type='button' disabled>Generate RLN Credentials</button>
<button disabled id='generate-credentials' type='button'>Generate RLN Credentials</button>
<p>Or import existing ones:</p><br/>
<div>
@ -34,39 +43,43 @@
<div><h3>Commitment</h3>
<div id="commitment"></div>
</div>
<button disabled id='register-button' type='button'>Register Credentials in Contract</button>
</div>
</div>
<div><h1>Waku</h1>
<div id='status'></div>
<br/>
<label for='remote-multiaddr'>Remote peer's multiaddr</label>
<input id='remote-multiaddr'
type='text'
value="/dns4/node-01.ac-cn-hongkong-c.wakuv2.test.statusim.net/tcp/443/wss/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm">
<button id='dial' type='button' disabled>Dial</button>
<br/>
<label for='nick-input'>Your nickname</label>
<input id='nick-input' placeholder='Choose a nickname' type='text'>
<button disabled id='set-nick' type='button'>Set nickname</button>
<br/>
<label for='textInput'>Message text</label>
<input id='textInput' placeholder='Type your message here' type='text' disabled>
<button id='sendButton' type='button' disabled>Send message using Light Push</button>
<input disabled id='textInput' placeholder='Type your message here' type='text'>
<button disabled id='sendButton' type='button'>Send message using Light Push</button>
<br/>
<div id="messages"></div>
</div>
<script type='module'>
import {utils} from 'https://unpkg.com/js-waku@0.29.0-7714812/bundle/index.js';
import {createLightNode} from 'https://unpkg.com/js-waku@0.29.0-7714812/bundle/lib/create_waku.js'
import {waitForRemotePeer} from 'https://unpkg.com/js-waku@0.29.0-7714812/bundle/lib/wait_for_remote_peer.js'
import {
PeerDiscoveryStaticPeers
} from "https://unpkg.com/js-waku@0.29.0-7714812/bundle/lib/peer_discovery_static_list";
import {
getPredefinedBootstrapNodes
} from "https://unpkg.com/js-waku@0.29.0-7714812/bundle/lib/predefined_bootstrap_nodes";
import {EncoderV0, DecoderV0} from 'https://unpkg.com/js-waku@0.29.0-7714812/bundle/lib/waku_message/version_0.js'
import {utils} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/index.js';
import {createLightNode} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/create_waku.js'
import {waitForRemotePeer} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/wait_for_remote_peer.js'
import {EncoderV0, DecoderV0} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/waku_message/version_0.js'
import {protobuf} from "https://taisukef.github.io/protobuf-es.js/dist/protobuf-es.js";
import {create, MembershipKey, RLNEncoder} from "https://unpkg.com/@waku/rln@0.0.8-964df01/bundle/index.js";
import {create, MembershipKey, RLNEncoder} from "https://unpkg.com/@waku/rln@0.0.10/bundle/index.js";
import {ethers} from "https://unpkg.com/ethers@5.0.7/dist/ethers-all.esm.min.js"
// RLN Elements
const generateCredsButton = document.getElementById('generate-credentials')
@ -77,21 +90,22 @@
const identityKeyInput = document.getElementById('id-key')
const commitmentKeyInput = document.getElementById('commitment-key')
const importButton = document.getElementById('import-button')
let rlnInstance;
(async () => {
rlnInstance = await create()
generateCredsButton.disabled = false;
})();
const connectWalletButton = document.getElementById('connect-wallet');
const retrieveRLNDetailsButton = document.getElementById('retrieve-rln-details')
const registerButton = document.getElementById('register-button');
// Waku Elements
const statusDiv = document.getElementById('status');
const dialButton = document.getElementById('dial')
const remoteMultiAddrInput = document.getElementById('remote-multiaddr')
const nicknameInput = document.getElementById('nick-input')
const setNickButton = document.getElementById('set-nick')
const textInput = document.getElementById('textInput');
const sendButton = document.getElementById('sendButton');
const walletDiv = document.getElementById('wallet');
const messagesDiv = document.getElementById('messages')
@ -100,18 +114,30 @@
let encoder;
let nodeConnected;
let nick;
let retrievedRLNEvents = false;
let rlnInstance;
// Load zero-kit WASM blob.
(async () => {
rlnInstance = await create()
generateCredsButton.disabled = false;
connectWalletButton.disabled = false;
})();
const updateFields = () => {
if (membershipKey && membershipId) {
if (membershipKey) {
keyDiv.innerHTML = utils.bytesToHex(membershipKey.IDKey)
commitmentDiv.innerHTML = utils.bytesToHex(membershipKey.IDCommitment)
idDiv.innerHTML = membershipId
idDiv.innerHTML = membershipId || "-"
encoder = new RLNEncoder(
new EncoderV0(ContentTopic),
rlnInstance,
membershipId,
membershipKey
);
if (membershipId) {
encoder = new RLNEncoder(
new EncoderV0(ContentTopic),
rlnInstance,
membershipId,
membershipKey
);
}
}
importButton.disabled = !(membershipIdInput.value
@ -127,7 +153,7 @@
generateCredsButton.onclick = () => {
membershipKey = rlnInstance.generateMembershipKey()
updateFields()
updateFields();
}
membershipIdInput.onchange = updateFields;
@ -148,6 +174,119 @@
.add(new protobuf.Field("nick", 2, "string"))
.add(new protobuf.Field("text", 3, "bytes"));
// Wallet
const checkChain = async (chainId) => {
retrieveRLNDetailsButton.disabled = retrievedRLNEvents || chainId !== 5;
registerButton.disabled = !(chainId === 5 && retrievedRLNEvents);
if (chainId !== 5) {
alert("Switch to Goerli")
}
}
const checkCurrentChain = async () => {
const network = await provider.getNetwork();
checkChain(network.chainId);
}
const rlnDeployBlk = 7677135;
const rlnAddress = "0x367F3e869cF2E1DD28644E308b42652cb6fcDA72";
const rlnAbi = [
"function MEMBERSHIP_DEPOSIT() public view returns(uint256)",
"function register(uint256 pubkey) external payable",
"function withdraw(uint256 secret, uint256 _pubkeyIndex, address payable receiver) external",
"event MemberRegistered(uint256 pubkey, uint256 index)",
"event MemberWithdrawn(uint256 pubkey, uint256 index)"
];
const provider = new ethers.providers.Web3Provider(window.ethereum, "any");
let accounts;
let rlnContract;
const handleMembership = (pubkey, index) => {
try {
const idCommitment = ethers.utils.zeroPad(ethers.utils.arrayify(pubkey), 32);
rlnInstance.insertMember(idCommitment);
console.debug("IDCommitment registered in tree", idCommitment, index.toNumber());
} catch (err) {
alert(err); // TODO: the merkle tree can be in a wrong state. The app should be disabled
}
}
const setAccounts = acc => {
accounts = acc;
walletDiv.innerHTML = accounts.length ? accounts[0] : "";
}
connectWalletButton.onclick = async () => {
try {
accounts = await provider.send("eth_requestAccounts", []);
setAccounts(accounts);
checkCurrentChain();
} catch (e) {
console.log("No web3 provider available", e);
}
};
retrieveRLNDetailsButton.onclick = async () => {
rlnContract = new ethers.Contract(rlnAddress, rlnAbi, provider);
const filter = rlnContract.filters.MemberRegistered()
// populating merkle tree:
const alreadyRegisteredMembers = await rlnContract.queryFilter(filter, rlnDeployBlk)
alreadyRegisteredMembers.forEach(event => {
handleMembership(event.args.pubkey, event.args.index, event);
});
alert("Loaded all events from contract");
retrievedRLNEvents = true;
// TODO: at this point it should be possible to register a credential and send messages
// TODO: emit an event to enable message form and register button
retrieveRLNDetailsButton.disabled = true;
registerButton.disabled = false;
// reacting to new registrations
rlnContract.on(filter, (pubkey, index, event) => {
handleMembership(event.args.pubkey, event.args.index, event);
});
}
window.ethereum.on('accountsChanged', setAccounts);
window.ethereum.on('chainChanged', chainId => {
checkChain(parseInt(chainId, 16));
});
registerButton.onclick = async () => {
try {
registerButton.disabled = true;
const pubkey = ethers.BigNumber.from(membershipKey.IDCommitment);
const price = await rlnContract.MEMBERSHIP_DEPOSIT();
const signer = provider.getSigner()
const rlnContractWithSigner = rlnContract.connect(signer);
const txResponse = await rlnContractWithSigner.register(pubkey, {value: price});
console.log("Transaction broadcasted:", txResponse);
const txReceipt = await txResponse.wait();
console.log("Transaction receipt", txReceipt);
// Update membershipId
membershipId = txReceipt.events[0].args.index.toNumber();
console.log("Obtained index for current membership credentials", membershipId);
updateFields();
registerButton.disabled = false;
} catch (err) {
alert(err);
registerButton.disabled = false;
}
}
// Waku
nicknameInput.onchange = updateFields
setNickButton.onclick = () => {
@ -156,7 +295,6 @@
}
const ContentTopic = "/toy-chat/2/luzhou/proto";
// const ContentTopic = "/toy-chat/2/huilong/proto"
const decoder = new DecoderV0(ContentTopic);
let messages = [];
@ -179,23 +317,29 @@
let node;
(async () => {
statusDiv.innerHTML = '<p>Creating Waku node.</p>';
node = await createLightNode({
libp2p: {
peerDiscovery: [
new PeerDiscoveryStaticPeers(getPredefinedBootstrapNodes("test")),
],
},
});
node = await createLightNode();
statusDiv.innerHTML = '<p>Starting Waku node.</p>';
await node.start();
statusDiv.innerHTML = '<p>Waku node started.</p>';
dialButton.disabled = false;
updateFields()
})()
dialButton.onclick = async () => {
const ma = remoteMultiAddrInput.value
if (!ma) {
statusDiv.innerHTML = '<p>Error: No multiaddr provided.</p>';
return;
}
statusDiv.innerHTML = '<p>Dialing peer.</p>';
await node.dial(ma, ["filter", "lightpush"])
await waitForRemotePeer(node, ["filter", "lightpush"]);
statusDiv.innerHTML = '<p>Waku node connected.</p>';
await node.filter.subscribe([decoder], callback)
statusDiv.innerHTML = '<p>Waku node subscribed.</p>';
nodeConnected = true;
updateFields()
})()
}
sendButton.onclick = async () => {
const text = utils.utf8ToBytes(textInput.value);