import { Addr, PubKey, Sig } from "../types/primitives.js";
import { SmartContract } from "../smartContract.js";
/**
 * A Pay-to-Public-Key-Hash (P2PKH) smart contract that allows spending
 * by providing a signature matching the specified public key hash.
 *
 * @property addr - The address derived from the public key hash that can unlock this contract
 * @method unlock - Verifies the provided signature matches the contract's public key hash
 * @param sig - The signature to verify
 * @param pubkey - The public key corresponding to the address
 * @throws If public key hash doesn't match or signature verification fails
 */
export declare class P2PKH extends SmartContract {
    readonly addr: Addr;
    constructor(addr: Addr);
    unlock(sig: Sig, pubkey: PubKey): void;
}
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