mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-26 19:17:58 +00:00
Jun Jiang
42 lines
1.2 KiB
HTML
42 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
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<title>Polkadot node</title>
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<link rel="shortcut icon" href="/favicon.png" />
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<script type="module">
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import { start_client, default as init } from './pkg/polkadot_cli.js';
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function log(msg) {
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document.getElementsByTagName('body')[0].innerHTML += msg + '\n';
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}
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async function start() {
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log('Loading WASM');
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await init('./pkg/polkadot_cli_bg.wasm');
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log('Successfully loaded WASM');
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log('Fetching chain spec');
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const chain_spec_response = await fetch("https://raw.githubusercontent.com/paritytech/polkadot/master/node/service/res/westend.json");
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const chain_spec_text = await chain_spec_response.text();
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// Build our client.
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log('Starting client');
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let client = await start_client(chain_spec_text, 'info');
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log('Client started');
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client.rpcSubscribe('{"method":"chain_subscribeNewHead","params":[],"id":1,"jsonrpc":"2.0"}',
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(r) => log("New chain head: " + r));
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setInterval(() => {
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client
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.rpcSend('{"method":"system_networkState","params":[],"id":1,"jsonrpc":"2.0"}')
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.then((r) => log("Network state: " + r));
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}, 20000);
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}
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start();
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</script>
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</head>
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<body style="white-space: pre"></body>
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</html>
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