import { AddressOrPair } from '@polkadot/api/types';
import BigNumber from 'bn.js';
import { SignTxFunction } from '../polkadot';
import { AccountKey } from './account-key';
import { DomainKey } from './domain-key';
/**
 * Auction allows assigning names to identities.
 * It facilitates domain names registration and ownership.
 */
export interface Auction {
    /**
     * `Name` which is an object and purpose of the auction.
     */
    name: string;
    /**
     * The highest offer currently winning the auction.
     */
    highestBid: {
        bidder: string;
        amount: BigNumber;
    };
    /**
     * The number of the blockchain block mined that acts as last update timestamp.
     */
    endBlock: BigNumber;
    /**
     * If true - auction is closed and the name is owned by the highest bidder.
     * If false - it is an ongoing auction.
     */
    closed: boolean;
}
/**
 * Auctions operations supported by DXNS.
 */
export interface AuctionsClientBackend {
    getAuction(name: string): Promise<Auction | undefined>;
    listAuctions(): Promise<Auction[]>;
    createAuction(name: string, startAmount: number): Promise<void>;
    bidAuction(name: string, amount: number): Promise<void>;
    closeAuction(name: string): Promise<void>;
    forceCloseAuction(name: string, sudoSignFn: SignTxFunction | AddressOrPair): Promise<void>;
    claimAuction(name: string, account: AccountKey): Promise<DomainKey>;
}
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