import { createBlockNumberDerive } from "https://deno.land/x/polkadot@0.2.38/api-derive/chain/util.ts";
Type Parameters
T extends { number: Compact<BlockNumber> | BlockNumber; }
Parameters
fn: (api: DeriveApi) => Observable<T>
Module
x/polkadot/api-derive/chain/util.ts>createBlockNumberDerive
Package publishing for deno.land/x/polkadot