export function splitPrivateData(data: Record<string, any>, privateFields: string[]): { privateData: Record<string, any>; publicData: Record<string, any> } {
  const privateData: Record<string, any> = {};
  const publicData: Record<string, any> = {};

  for (const [key, value] of Object.entries(data)) {
    if (privateFields.includes(key)) {
      privateData[key] = value;
    } else {
      publicData[key] = value;
    }
  }

  return { privateData, publicData };
}

export function isValid32ByteHex(value: string): boolean {
  // Check if string is exactly 64 characters (32 bytes in hex)
  if (value.length !== 64) {
    return false;
  }

  // Check if string only contains valid hex characters
  return /^[0-9a-fA-F]{64}$/.test(value);
}