import { BlockNumber, Option } from '@dedot/codecs';
import { Callback, GenericJsonRpcApis, Unsub } from '@dedot/types';
import { EncodedFinalityProofs, JustificationNotification, ReportedRoundStates } from './types/index.js';
export interface GrandpaJsonRpcApis extends GenericJsonRpcApis {
    /**
     * Prove finality for the given block number, returning the Justification for the last block in the set.
     *
     * @rpcname grandpa_proveFinality
     * @param {BlockNumber} blockNumber
     **/
    grandpa_proveFinality: (blockNumber: BlockNumber) => Promise<Option<EncodedFinalityProofs>>;
    /**
     * Returns the state of the current best round state as well as the ongoing background rounds
     *
     * @rpcname grandpa_roundState
     **/
    grandpa_roundState: () => Promise<ReportedRoundStates>;
    /**
     * Returns the block most recently finalized by Grandpa, alongside side its justification.
     *
     * @subscription grandpa_justifications, grandpa_subscribeJustifications, grandpa_unsubscribeJustifications
     **/
    grandpa_subscribeJustifications: (callback: Callback<JustificationNotification>) => Promise<Unsub>;
}