WsProvider | /api/bundle.ts | polkadot@0.2.45

x/polkadot/api/bundle.ts>WsProvider#subscribe

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method WsProvider.prototype.subscribe

import { WsProvider } from "https://deno.land/x/polkadot@0.2.45/api/bundle.ts";

subscribe(

type: string,

method: string,

params: unknown[],

callback: ProviderInterfaceCallback,

): Promise<number | string>

Examples

const provider = new WsProvider('ws://127.0.0.1:9944');
const rpc = new Rpc(provider);

rpc.state.subscribeStorage([[storage.system.account, <Address>]], (_, values) => {
  console.log(values)
}).then((subscriptionId) => {
  console.log('balance changes subscription id: ', subscriptionId)
})

Parameters

type: string

method: string

params: unknown[]

callback: ProviderInterfaceCallback

Returns

Promise<number | string>