@exromany/lido-csm-sdk/dist/types/deposit-data-sdk/signature.d.ts

[](https://github.com/lidofinance/lido-csm-sdk/blob/main/LICENSE.txt) [](h

/**
 * Alternative BLS signature verification implementation for Ethereum deposit data.
 *
 * This implementation follows the Ethereum consensus specification closely:
 * - Proper SSZ serialization using @chainsafe/ssz
 * - Clear separation of domain computation, signing root, and verification
 * - Better error handling and type safety
 * - Compatible with both @chainsafe/bls and bls-eth-wasm
 *
 * Reference:
 * - https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#bls-signatures
 * - https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/deposit-contract.md
 */
import { SUPPORTED_CHAINS } from '../common/index.js';
import { DepositData } from './types.js';
/**
 * Verify BLS signature for deposit data following Ethereum consensus spec
 *
 * @param data - Deposit data to verify
 * @param chainId - Chain ID (mainnet or testnet)
 * @returns Promise<boolean> - True if signature is valid
 *
 * @example
 * const isValid = await verifyDepositSignature(depositData, CHAINS.Mainnet);
 * if (!isValid) {
 *   console.error('Invalid signature');
 * }
 */
export declare const verifyDepositSignature: (data: DepositData, chainId: SUPPORTED_CHAINS) => Promise<boolean>;
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