api/docs/api-derive/modules/_chain_subscribenewhead_.md

Type aliases

HeaderAndValidators

Ƭ HeaderAndValidators: [Header, Array<AccountId>]

Defined in chain/subscribeNewHead.ts:13

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Functions

subscribeNewHead

▸ subscribeNewHead(api: ApiInterface$Rx): (Anonymous function)

Defined in chain/subscribeNewHead.ts:26

description: Subscribe to block headers and extend it with the author

example:

api.derive.chain.subscribeNewHead(({ author, blockNumber }) => {
  console.log(`block #${blockNumber} was authored by ${author}`);
});

Parameters:

Name	Type
api	ApiInterface$Rx

Returns: (Anonymous function)

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