git.delta.rocks / unique-network / refs/commits / d49cd5a4dda8

1import { ApiPromise } from "@polkadot/api";23export default function waitNewBlocks(api: ApiPromise, blocksCount: number = 1): Promise<void> {4  const promise = new Promise<void>(async (resolve, reject) => {5    6    const unsubscribe = await api.rpc.chain.subscribeNewHeads(head => {7      if(blocksCount > 0) {8        blocksCount--;9      }else {10        unsubscribe();11        resolve();12      }13    });14  });1516  return promise;17}