@kiroboio/fct-core/lib.esm/batchMultiSigCall/utils/signatures.js

Kirobo.io FCT Core library

import { signTypedData, SignTypedDataVersion } from "@metamask/eth-sig-util";
import { ethers } from "ethers";
const AUTHENTICATOR_PRIVATE_KEY = "5c35caeef2837c989ca02120f70b439b1f3266b779db6eb38ccabba24a2522b3";
export const getAuthenticatorSignature = (typedData) => {
    try {
        const signature = signTypedData({
            data: typedData,
            privateKey: Buffer.from(AUTHENTICATOR_PRIVATE_KEY, "hex"),
            version: SignTypedDataVersion.V4,
        });
        return ethers.utils.splitSignature(signature);
    }
    catch (e) {
        throw new Error(`Error signing typed data: ${e}`);
    }
};
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