import { ApiPromise } from "@polkadot/api";
import { GenericExtrinsic } from "@polkadot/types/extrinsic";
import { SignedBlock } from "@polkadot/types/interfaces";
import { ISubmittableResult } from "@polkadot/types/types/extrinsic";
import BigNumber from "bignumber.js";
import { TNetworkType } from "./entity";
export declare class PolkadotProvider {
    private readonly config;
    static isSupported(): boolean;
    static web3FromAddress(address: string): Promise<import("@polkadot/extension-inject/types").InjectedExtension>;
    private api?;
    private networkType?;
    constructor(config: {
        polkadotUrl: string;
        networkType?: TNetworkType;
    });
    getRawApi(): ApiPromise;
    isConnected(): boolean;
    connect(): Promise<void>;
    getNetworkType(): Promise<TNetworkType>;
    private _scaleUp;
    private _scaleDown;
    calcDecimals(): number;
    getAccountBalance(address: string): Promise<{
        reserved: BigNumber;
        miscFrozen: BigNumber;
        free: BigNumber;
        feeFrozen: BigNumber;
        nonce: BigNumber;
    }>;
    getMinSafeDepositVal(): BigNumber;
    sendFundsWithExtrinsic(sender: string, recipient: string, amount: BigNumber): Promise<{
        extId: string;
        transactionHash: string;
        blockHash: string;
    }>;
    getMaxPossibleSendAmount(sender: string, recipient: string, amount: BigNumber): Promise<BigNumber>;
    sendFundsTo(sender: string, recipient: string, amount: BigNumber): Promise<{
        submittableResult: ISubmittableResult;
        blockHash: string;
        transactionHash: string;
    }>;
    getExtrinsicIndexByHash(transactionHash: string, blockHash: string): Promise<{
        extrinsic: GenericExtrinsic;
        extId: string;
        signedBlock: SignedBlock;
        indexAt: number;
    }>;
    getAccounts(): Promise<string[]>;
    signRawMessage(account: string, hexData: string): Promise<string>;
    static extractPublicKeyHexFromAddress(address: string): string;
}