Jaco Greeff
8fafedcf00
* examples-rpc -> examples/rpc * 01-simple-connect * 02-chain-newHead * Subscriptions only return value
19 lines
572 B
JavaScript
Executable File
19 lines
572 B
JavaScript
Executable File
// required imports
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const { ApiPromise } = require('@polkadot/api');
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const { WsProvider } = require('@polkadot/rpc-provider');
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async function main () {
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// initialise the provider to connect to the local node
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const provider = new WsProvider('ws://127.0.0.1:9944');
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// create the API and wait until ready
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const api = await ApiPromise.create(provider);
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// retrieve the chain information (rpc call)
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const chain = await api.rpc.system.chain();
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console.log(`You are connected to chain: ${chain}`);
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}
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main().catch(console.error).finally(() => process.exit());
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