viem/_types/accounts/utils/signMessage.d.ts

TypeScript Interface for Ethereum

import type { ErrorType } from '../../errors/utils.js';
import type { Hex, SignableMessage } from '../../types/misc.js';
import { type HashMessageErrorType } from '../../utils/signature/hashMessage.js';
import { type SignErrorType } from './sign.js';
export type SignMessageParameters = {
    /** The message to sign. */
    message: SignableMessage;
    /** The private key to sign with. */
    privateKey: Hex;
};
export type SignMessageReturnType = Hex;
export type SignMessageErrorType = SignErrorType | HashMessageErrorType | ErrorType;
/**
 * @description Calculates an Ethereum-specific signature in [EIP-191 format](https://eips.ethereum.org/EIPS/eip-191):
 * `keccak256("\x19Ethereum Signed Message:\n" + len(message) + message))`.
 *
 * @returns The signature.
 */
export declare function signMessage({ message, privateKey, }: SignMessageParameters): Promise<SignMessageReturnType>;
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