import * as bitcoinjs from "bitcoinjs-lib";
export { bitcoinjs as bitcoin };
import { H160 } from "@polkadot/types/interfaces";
import { Bytes } from "@polkadot/types";
import { TypeRegistry } from "@polkadot/types";
import { BtcAddress } from "../interfaces/default";
import { ElectrsAPI } from "../external";
export declare function encodeBtcAddress(address: BtcAddress, network: bitcoinjs.Network): string;
export declare function decodeBtcAddress(address: string, network: bitcoinjs.Network): {
    p2pkh: string;
} | {
    p2sh: string;
} | {
    p2wpkhv0: string;
};
export declare function btcAddressFromParams(registry: TypeRegistry, params: {
    p2pkh: H160 | string;
} | {
    p2sh: H160 | string;
} | {
    p2wpkhv0: H160 | string;
}): BtcAddress;
export declare function getTxProof(electrsAPI: ElectrsAPI, btcTxId?: string, merkleProof?: Bytes, rawTx?: Bytes): Promise<[Bytes, Bytes]>;