import type { Address } from 'viem';
import { ViemClient } from '../viem.js';
/**
 * Verifies covalidator signatures for a plaintext DecryptionAttestation
 * by calling `isValidDecryptionAttestation` on the IncoVerifier contract.
 *
 * This delegates all verification logic (EIP-712 digest computation,
 * ECDSA recovery, signer authorization, threshold check) to the contract,
 * ensuring exact parity with on-chain verification.
 *
 * @param handle - The handle hex string (bytes32)
 * @param rawValueBytes - The raw plaintext value bytes (will be left-padded to 32 bytes)
 * @param signatures - The covalidator ECDSA signatures to verify
 * @param executorAddress - The Lightning contract address (executor)
 * @param client - A viem client capable of reading contract state
 * @throws If the contract returns false (insufficient valid signatures)
 */
export declare function verifyPlaintextAttestationSignatures(handle: string, rawValueBytes: Uint8Array, signatures: Uint8Array[], executorAddress: Address, client: ViemClient): Promise<void>;
/**
 * Verifies covalidator envelope signatures for reencryption attestations
 * by calling `isValidReencryptionAttestation` on the IncoVerifier contract.
 *
 * Each covalidator signs over its own unique (userCiphertext, handle, encryptedSignature)
 * tuple, so all three per-covalidator arrays must be aligned by index and sorted
 * by signer address in ascending order.
 *
 * @param handle - The handle hex string (bytes32)
 * @param userCiphertexts - Per-covalidator ciphertexts (sorted by signer address)
 * @param encryptedSignatures - Per-covalidator encrypted inner signatures (sorted by signer address)
 * @param envelopeSignatures - Per-covalidator envelope signatures (sorted by signer address)
 * @param executorAddress - The Lightning contract address (executor)
 * @param client - A viem client capable of reading contract state
 * @throws If the contract returns false (insufficient valid signatures)
 */
export declare function verifyReencryptionAttestationSignatures(handle: string, userCiphertexts: Uint8Array[], encryptedSignatures: Uint8Array[], envelopeSignatures: Uint8Array[], executorAddress: Address, client: ViemClient): Promise<void>;