getHeader | /api-derive/chain/index.ts | polkadot@0.2.38

function getHeader

import { getHeader } from "https://dotland.deno.dev/x/polkadot@0.2.38/api-derive/chain/index.ts";

getHeader(instanceId: string, api: DeriveApi): (blockHash: Uint8Array | string) => Observable<HeaderExtended>

Examples

const { author, number } = await api.derive.chain.getHeader('0x123...456');

console.log(`block #${number} was authored by ${author}`);

instanceId: string

(blockHash: Uint8Array | string) => Observable<HeaderExtended>

An array containing the block header and the block author