import 'isomorphic-fetch';
import { PointOrOrigin, RewardAccountSummary } from '@cardano-ogmios/schema';
import { Address, BigNumber, NetworkName, ProtocolParameters, UTxO } from "../types";
type Convert<U, V, O extends object> = {
    [K in keyof O]: O[K] extends object ? Convert<U, V, O[K]> : O[K] extends U ? V : O[K];
};
export declare abstract class DataProvider {
    abstract getHealth(): Promise<{
        healthy: boolean;
        networkSlot: number;
        ledgerSlot: number;
        lastBlockSlot: number;
        uptime: number;
    }>;
    abstract getProtocolParameters(): Promise<ProtocolParameters>;
    abstract getLedgerTip(): Promise<PointOrOrigin>;
    abstract getUTxOs(addresses: Array<string>): Promise<UTxO[]>;
    abstract getRewardAccountSummary(stakeKeyHash: string): Promise<Convert<bigint, number | BigNumber, RewardAccountSummary> | null>;
    abstract getUsedAddresses(stakeKeyHash: string): Promise<string[]>;
    abstract filterUsedAddresses(addresses: Address[]): Promise<Set<Address>>;
    abstract getTxInfo(txHash: string): Promise<{
        txHash: string;
        slot: number;
        block: {
            height: number;
            hash: string;
        };
    } | null>;
    getTxBlockHeight(txHash: string): Promise<number | null>;
    abstract submitTx(txCbor: string): Promise<void>;
}
export declare class CabBackend extends DataProvider {
    private url;
    private networkName;
    private protocolParameters;
    constructor(url: string, networkName: NetworkName);
    getHealth(): Promise<{
        healthy: boolean;
        networkSlot: number;
        ledgerSlot: number;
        lastBlockSlot: number;
        uptime: number;
    }>;
    getProtocolParameters(): Promise<ProtocolParameters>;
    getLedgerTip(): Promise<PointOrOrigin>;
    getUTxOs(addresses: Array<string>): Promise<UTxO[]>;
    getRewardAccountSummary(stakeKeyHash: string): Promise<Convert<bigint, number | BigNumber, RewardAccountSummary> | null>;
    getUsedAddresses(stakeKeyHash: string): Promise<string[]>;
    filterUsedAddresses(addresses: Address[]): Promise<Set<Address>>;
    getTxInfo(txHash: string): Promise<{
        txHash: string;
        slot: number;
        block: {
            height: number;
            hash: string;
        };
    } | null>;
    submitTx(txCbor: string): Promise<void>;
}
export {};
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