Merge pull request #126 from waku-org/rln-send-message
This commit is contained in:
commit
6e48883206
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@ -9,21 +9,24 @@
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<body>
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<div><h1>RLN</h1>
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<div><h2>Wallet</h2>
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<div id='wallet'></div>
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<button disabled id='connect-wallet' type='button'>Connect Wallet</button>
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<div><h1>Waku RLN</h1>
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<div><span id='status'></span></div>
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<div><h2>Blockchain</h2>
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<div><h3>Wallet</h3>
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<p>Address: <span id='address'></span></p>
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<button id='connect-wallet' type='button'>Connect Wallet</button>
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</div>
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<div><h3>Contract Data</h3>
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<p>Latest membership id on contract: <span id='latest-membership-id'></span></p>
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<button disabled id='retrieve-rln-details' type='button'>Retrieve contract state from blockchain
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</button>
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</div>
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</div>
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<div><h2>RLN</h2>
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<button disabled id='retrieve-rln-details' type='button'>Retrieve RLN contract state from blockchain</button>
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</div>
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<p>You can either generate new credentials:</p><br/>
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<button disabled id='generate-credentials' type='button'>Generate RLN Credentials</button>
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<p>Or import existing ones:</p><br/>
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<div>
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<div><h2>Credentials</h2>
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<p>You can either generate new credentials:</p>
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<button disabled id='generate-credentials' type='button'>Generate RLN Credentials</button>
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<p>Or import existing ones:</p>
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<label for="membership-id">Membership ID (your index in the RLN smart contract):</label>
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<input id="membership-id" name="membership-id" type="text"><br>
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<label for="id-key">RLN Identity Key (hex string):</label>
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@ -31,106 +34,127 @@
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<label for="commitment-key">RLN Commitment Key (hex string):</label>
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<input id="commitment-key" name="commitment-key" type="text"><br>
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<button disabled id='import-button' type='button'>Import RLN Credentials</button>
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</div>
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<div><h2>Credentials</h2>
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<div><h3>Membership id</h3>
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<div id="id"></div>
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</div>
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<div><h3>Key</h3>
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<div id="key"></div>
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</div>
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<div><h3>Commitment</h3>
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<div id="commitment"></div>
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</div>
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<p><strong>Membership id: </strong><span id="id">none</span></p>
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<p><strong>Key: </strong><span id="key">none</span></p>
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<p><strong>Commitment: </strong><span id="commitment">none</span></p>
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<button disabled id='register-button' type='button'>Register Credentials in Contract</button>
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</div>
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</div>
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<div><h1>Waku</h1>
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<div id='status'></div>
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<br/>
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<div><h1>Waku</h1>
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<div id="waku-status"></div>
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<label for='remote-multiaddr'>Remote peer's multiaddr</label>
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<input id='remote-multiaddr'
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type='text'
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value="/dns4/node-01.ac-cn-hongkong-c.wakuv2.test.statusim.net/tcp/443/wss/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm">
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<button id='dial' type='button' disabled>Dial</button>
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<br/>
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<label for='nick-input'>Your nickname</label>
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<input id='nick-input' placeholder='Choose a nickname' type='text'>
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<button disabled id='set-nick' type='button'>Set nickname</button>
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<br/>
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<label for='remote-multiaddr'>Remote peer's multiaddr</label>
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<input id='remote-multiaddr'
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type='text'
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value="/dns4/node-01.ac-cn-hongkong-c.wakuv2.test.statusim.net/tcp/443/wss/p2p/16Uiu2HAkvWiyFsgRhuJEb9JfjYxEkoHLgnUQmr1N5mKWnYjxYRVm">
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<button disabled id='dial' type='button'>Dial</button>
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<br/>
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<label for='nick-input'>Your nickname</label>
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<input id='nick-input' placeholder='Choose a nickname' type='text'>
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<button disabled id='set-nick' type='button'>Set nickname</button>
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<br/>
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<label for='textInput'>Message text</label>
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<input disabled id='textInput' placeholder='Type your message here' type='text'>
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<button disabled id='sendButton' type='button'>Send message using Light Push</button>
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<br/>
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<div id="messages"></div>
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<label for='textInput'>Message text</label>
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<input disabled id='textInput' placeholder='Type your message here' type='text'>
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<button disabled id='sendButton' type='button'>Send message using Light Push</button>
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<span id='sending-status'></span>
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<br/>
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<div id="messages"></div>
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</div>
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</div>
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<script type='module'>
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import {utils} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/index.js';
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import {createLightNode} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/create_waku.js'
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import {waitForRemotePeer} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/wait_for_remote_peer.js'
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import {EncoderV0, DecoderV0} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/waku_message/version_0.js'
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import {
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EncoderV0,
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DecoderV0
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} from 'https://unpkg.com/js-waku@0.29.0-29436ea/bundle/lib/waku_message/version_0.js'
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import {protobuf} from "https://taisukef.github.io/protobuf-es.js/dist/protobuf-es.js";
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import {create, MembershipKey, RLNEncoder} from "https://unpkg.com/@waku/rln@0.0.10/bundle/index.js";
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import {
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create,
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MembershipKey,
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RLNDecoder,
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RLNEncoder
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} from "https://unpkg.com/@waku/rln@0.0.10/bundle/index.js";
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import {ethers} from "https://unpkg.com/ethers@5.0.7/dist/ethers-all.esm.min.js"
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// RLN Elements
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const statusSpan = document.getElementById('status')
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// Blockchain Elements
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const addressDiv = document.getElementById('address');
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const connectWalletButton = document.getElementById('connect-wallet');
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const latestMembershipSpan = document.getElementById('latest-membership-id')
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const retrieveRLNDetailsButton = document.getElementById('retrieve-rln-details')
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// Credentials Elements
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const generateCredsButton = document.getElementById('generate-credentials')
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const idDiv = document.getElementById('id');
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const keyDiv = document.getElementById('key');
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const commitmentDiv = document.getElementById('commitment');
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const membershipIdInput = document.getElementById('membership-id')
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const identityKeyInput = document.getElementById('id-key')
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const commitmentKeyInput = document.getElementById('commitment-key')
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const importButton = document.getElementById('import-button')
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const connectWalletButton = document.getElementById('connect-wallet');
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const retrieveRLNDetailsButton = document.getElementById('retrieve-rln-details')
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const idDiv = document.getElementById('id');
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const keyDiv = document.getElementById('key');
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const commitmentDiv = document.getElementById('commitment');
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const registerButton = document.getElementById('register-button');
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// Waku Elements
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const statusDiv = document.getElementById('status');
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const statusDiv = document.getElementById('waku-status');
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const dialButton = document.getElementById('dial')
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const remoteMultiAddrInput = document.getElementById('remote-multiaddr')
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const dialButton = document.getElementById('dial')
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const nicknameInput = document.getElementById('nick-input')
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const setNickButton = document.getElementById('set-nick')
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const textInput = document.getElementById('textInput');
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const sendButton = document.getElementById('sendButton');
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const walletDiv = document.getElementById('wallet');
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const sendingStatusSpan = document.getElementById('sending-status');
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const messagesDiv = document.getElementById('messages')
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let membershipId;
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let membershipKey;
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let encoder;
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let nodeConnected;
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let nick;
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let membershipId, membershipKey, encoder, node, nodeConnected, nick, rlnInstance;
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let retrievedRLNEvents = false;
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let rlnInstance;
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const rlnInstancePromise = create();
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// Load zero-kit WASM blob.
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(async () => {
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rlnInstance = await create()
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generateCredsButton.disabled = false;
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connectWalletButton.disabled = false;
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})();
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statusSpan.innerText = 'WASM Blob download in progress...'
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rlnInstancePromise.then((_rlnInstance) => {
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rlnInstance = _rlnInstance
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statusSpan.innerText = 'WASM Blob download in progress... done!'
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updateFields()
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setTimeout(() => {
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statusSpan.innerText = ''
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}, 5000)
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})
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const ContentTopic = "/toy-chat/2/luzhou/proto";
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// Protobuf
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const ProtoChatMessage = new protobuf.Type("ChatMessage")
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.add(new protobuf.Field("timestamp", 1, "uint64"))
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.add(new protobuf.Field("nick", 2, "string"))
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.add(new protobuf.Field("text", 3, "bytes"));
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// Function to update the fields to guide the user by disabling buttons.
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const updateFields = () => {
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if (membershipKey) {
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keyDiv.innerHTML = utils.bytesToHex(membershipKey.IDKey)
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commitmentDiv.innerHTML = utils.bytesToHex(membershipKey.IDCommitment)
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idDiv.innerHTML = membershipId || "-"
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if (membershipId) {
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if (membershipId && rlnInstance) {
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encoder = new RLNEncoder(
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new EncoderV0(ContentTopic),
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rlnInstance,
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@ -140,6 +164,10 @@
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}
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}
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generateCredsButton.disabled = !rlnInstance
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registerButton.disabled = !(membershipKey && retrievedRLNEvents && !membershipId)
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importButton.disabled = !(membershipIdInput.value
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&& identityKeyInput.value
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&& commitmentKeyInput.value);
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@ -149,8 +177,14 @@
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sendButton.disabled = !readyToSend;
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setNickButton.disabled = !nicknameInput.value;
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dialButton.disabled = !(node && node.isStarted() && retrievedRLNEvents)
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retrieveRLNDetailsButton.disabled = !rlnInstance && !retrievedRLNEvents;
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}
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// Blockchain
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generateCredsButton.onclick = () => {
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membershipKey = rlnInstance.generateMembershipKey()
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updateFields();
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updateFields()
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}
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// Protobuf
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const ProtoChatMessage = new protobuf.Type("ChatMessage")
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.add(new protobuf.Field("timestamp", 1, "uint64"))
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.add(new protobuf.Field("nick", 2, "string"))
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.add(new protobuf.Field("text", 3, "bytes"));
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// Wallet
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const checkChain = async (chainId) => {
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retrieveRLNDetailsButton.disabled = retrievedRLNEvents || chainId !== 5;
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registerButton.disabled = !(chainId === 5 && retrievedRLNEvents);
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@ -183,11 +210,6 @@
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}
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}
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const checkCurrentChain = async () => {
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const network = await provider.getNetwork();
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checkChain(network.chainId);
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}
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const rlnDeployBlk = 7677135;
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const rlnAddress = "0x367F3e869cF2E1DD28644E308b42652cb6fcDA72";
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const rlnAbi = [
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@ -207,22 +229,27 @@
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try {
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const idCommitment = ethers.utils.zeroPad(ethers.utils.arrayify(pubkey), 32);
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rlnInstance.insertMember(idCommitment);
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console.debug("IDCommitment registered in tree", idCommitment, index.toNumber());
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const indexInt = index.toNumber()
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if (!latestMembershipSpan.innerText || indexInt > latestMembershipSpan.innerText) {
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latestMembershipSpan.innerText = indexInt
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}
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console.debug("IDCommitment registered in tree", idCommitment, indexInt);
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} catch (err) {
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alert(err); // TODO: the merkle tree can be in a wrong state. The app should be disabled
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console.error(err); // TODO: the merkle tree can be in a wrong state. The app should be disabled
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}
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}
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const setAccounts = acc => {
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accounts = acc;
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walletDiv.innerHTML = accounts.length ? accounts[0] : "";
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addressDiv.innerHTML = accounts.length ? accounts[0] : "";
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}
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connectWalletButton.onclick = async () => {
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try {
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accounts = await provider.send("eth_requestAccounts", []);
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setAccounts(accounts);
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checkCurrentChain();
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const network = await provider.getNetwork();
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checkChain(network.chainId);
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} catch (e) {
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console.log("No web3 provider available", e);
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}
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@ -239,18 +266,13 @@
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handleMembership(event.args.pubkey, event.args.index, event);
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});
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alert("Loaded all events from contract");
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retrievedRLNEvents = true;
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// TODO: at this point it should be possible to register a credential and send messages
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// TODO: emit an event to enable message form and register button
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retrieveRLNDetailsButton.disabled = true;
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registerButton.disabled = false;
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// reacting to new registrations
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rlnContract.on(filter, (pubkey, index, event) => {
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handleMembership(event.args.pubkey, event.args.index, event);
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});
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updateFields()
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}
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window.ethereum.on('accountsChanged', setAccounts);
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@ -294,15 +316,28 @@
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updateFields()
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}
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const ContentTopic = "/toy-chat/2/luzhou/proto";
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const decoder = new DecoderV0(ContentTopic);
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let messages = [];
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const updateMessages = (msgs, div) => {
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div.innerHTML = "<ul>"
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messages.forEach(msg => div.innerHTML += "<li>" + msg + "</li>")
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div.innerHTML += "</ul>"
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const updateMessages = () => {
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messagesDiv.innerHTML = "<ul>"
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messages.forEach(msg => {
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messagesDiv.innerHTML += `<li>${msg.msg} - [epoch: ${msg.epoch}, proof: ${msg.proofState} ]</li>`
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if (msg.proofState === "verifying...") {
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console.log("Verifying proof")
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const res = msg.verify()
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console.log("proof verified!", res)
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if (res === undefined) {
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msg.proofState = "no proof attached"
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} else if (res) {
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msg.proofState = "verified."
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} else {
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msg.proofState = "invalid!"
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}
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updateMessages()
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}
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})
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messagesDiv.innerHTML += "</ul>"
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}
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const callback = (wakuMessage) => {
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@ -310,11 +345,24 @@
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const time = new Date();
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time.setTime(Number(timestamp));
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messages.push(`(${nick}) <strong>${utils.bytesToUtf8(text)}</strong> <i>[${time.toString()}]</i>`);
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updateMessages(messages, messagesDiv)
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let proofState, verify;
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if (typeof wakuMessage.verify === "undefined") {
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proofState = "no proof attached";
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} else {
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verify = wakuMessage.verify.bind(wakuMessage);
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proofState = "verifying...";
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}
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messages.push({
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msg: `(${nick}) <strong>${utils.bytesToUtf8(text)}</strong> <i>[${time.toString()}]</i>`,
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epoch: wakuMessage.epoch,
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verify,
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proofState
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});
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updateMessages()
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}
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let node;
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(async () => {
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statusDiv.innerHTML = '<p>Creating Waku node.</p>';
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node = await createLightNode();
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@ -322,7 +370,6 @@
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statusDiv.innerHTML = '<p>Starting Waku node.</p>';
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await node.start();
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statusDiv.innerHTML = '<p>Waku node started.</p>';
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dialButton.disabled = false;
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updateFields()
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})()
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@ -336,6 +383,9 @@
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await node.dial(ma, ["filter", "lightpush"])
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await waitForRemotePeer(node, ["filter", "lightpush"]);
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statusDiv.innerHTML = '<p>Waku node connected.</p>';
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await rlnInstancePromise;
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const decoder = new RLNDecoder(rlnInstance, new DecoderV0(ContentTopic));
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await node.filter.subscribe([decoder], callback)
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statusDiv.innerHTML = '<p>Waku node subscribed.</p>';
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nodeConnected = true;
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@ -347,9 +397,14 @@
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const msg = ProtoChatMessage.create({text, nick, timestamp: timestamp.valueOf()});
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const payload = ProtoChatMessage.encode(msg).finish();
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console.log("Sending message with proof...")
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sendingStatusSpan.innerText = 'sending...'
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await node.lightPush.push(encoder, {payload, timestamp});
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sendingStatusSpan.innerText = 'sent!'
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console.log("Message sent!")
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textInput.value = null;
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setTimeout(() => {
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sendingStatusSpan.innerText = ''
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}, 5000)
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};
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</script>
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</body>
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