* examples-rpc -> examples/rpc * 01-simple-connect * 02-chain-newHead * Subscriptions only return value
17 lines
418 B
JavaScript
Executable File
17 lines
418 B
JavaScript
Executable File
const Rpc = require('@polkadot/rpc-core').default;
|
|
const WsProvider = require('@polkadot/rpc-provider/ws').default;
|
|
const provider = new WsProvider('ws://127.0.0.1:9944');
|
|
const api = new Rpc(provider);
|
|
|
|
async function getChain () {
|
|
return api.system.chain();
|
|
}
|
|
|
|
async function main () {
|
|
const chain = await getChain();
|
|
|
|
console.log('You are connected to chain:', chain);
|
|
}
|
|
|
|
main().finally(_ => process.exit());
|