import { Cardano, CardanoNode } from '@cardano-sdk/core';
import { Pool } from 'pg';
declare module 'pg' {
    interface QueryConfig {
        rowMode?: 'array';
    }
}
export declare const getLovelaceSupply: (db: Pool, maxLovelaceSupply: Cardano.Lovelace) => Promise<{
    circulating: bigint;
    total: bigint;
}>;
export declare const getProtocolParameters: (db: Pool) => Promise<Cardano.ProtocolParameters>;
export declare const getStake: (cardanoNode: CardanoNode, db: Pool) => Promise<{
    active: bigint;
    live: bigint;
}>;
interface TxsByAddressesOptions {
    action?: (txs?: Cardano.HydratedTx[], utxos?: Cardano.HydratedTx[]) => void;
    blockId?: string;
    lower?: Cardano.BlockNo;
}
export declare const transactionsByAddresses: (addresses: Cardano.PaymentAddress[], db: Pool, options?: TxsByAddressesOptions) => Promise<Cardano.HydratedTx[]>;
export {};
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