import { Api } from "../../types";
import { Store } from "@equilab/utils";
import { HTTPRequestBody } from "../../types/common";
export interface PortfolioParams<T = unknown> extends HTTPRequestBody<T> {
    namespace: "portfolio";
}
export declare const isPorfolio: (body: HTTPRequestBody) => body is PortfolioParams<unknown>;
export declare const createPortfolioFilter: (api: Api, db: Store) => (body: PortfolioParams) => Promise<string | {
    timestamp: import("@polkadot/types/interfaces").Moment;
    block: number;
    tokens: {
        currency: string;
        amount: number;
    }[];
} | {
    timestamp: number;
    blockNumber: number;
    currency: string;
    amount: string;
}[]>;