import { Hash, ExtrinsicEra, Index } from '../../../interfaces/runtime';
import { ExtrinsicPayloadValue, IKeyringPair } from '../../../types';
import Compact from '../../../codec/Compact';
import Struct from '../../../codec/Struct';
import Bytes from '../../../primitive/Bytes';
/**
 * @name ExtrinsicPayloadV1
 * @description
 * A signing payload for an [[Extrinsic]]. For the final encoding, it is variable length based
 * on the contents included
 *
 *   1-8 bytes: The Transaction Compact<Index/Nonce> as provided in the transaction itself.
 *   2+ bytes: The Function Descriptor as provided in the transaction itself.
 *   1/2 bytes: The Transaction Era as provided in the transaction itself.
 *   32 bytes: The hash of the authoring block implied by the Transaction Era and the current block.
 */
export default class ExtrinsicPayloadV1 extends Struct {
    constructor(value?: ExtrinsicPayloadValue | Uint8Array | string);
    /**
     * @description The block [[Hash]] the signature applies to (mortal/immortal)
     */
    readonly blockHash: Hash;
    /**
     * @description The [[Bytes]] contained in the payload
     */
    readonly method: Bytes;
    /**
     * @description The [[ExtrinsicEra]]
     */
    readonly era: ExtrinsicEra;
    /**
     * @description The [[Index]]
     */
    readonly nonce: Compact<Index>;
    /**
     * @description Sign the payload with the keypair
     */
    sign(signerPair: IKeyringPair): Uint8Array;
}