signTypedData MessageTypes

typedmessage.ts

export interface MessageTypes {
    EIP712Domain: MessageTypeProperty[];
    [additionalProperties: string]: MessageTypeProperty[];
}
/**
 * This is the message format used for `signTypeData`, for all versions
 * except `V1`.
 *
 * @template T - The custom types used by this message.
 * @property types - The custom types used by this message.
 * @property primaryType - The type of the message.
 * @property domain - Signing domain metadata. The signing domain is the intended context for the
 * signature (e.g. the dapp, protocol, etc. that it's intended for). This data is used to
 * construct the domain seperator of the message.
 * @property domain.name - The name of the signing domain.
 * @property domain.version - The current major version of the signing domain.
 * @property domain.chainId - The chain ID of the signing domain.
 * @property domain.verifyingContract - The address of the contract that can verify the signature.
 * @property domain.salt - A disambiguating salt for the protocol.
 * @property message - The message to be signed.
 */
export interface TypedMessage<T extends MessageTypes> {
    types: T;
    primaryType: keyof T;
    domain: {
        name?: string;
        version?: string;
        chainId?: number;
        verifyingContract?: string;
        salt?: ArrayBuffer;
    };
    message: Record<string, unknown>;
}