The userPowerGrants function in the MiniByte contract retrieves a list of power grants associated with a specified user address within a defined range. It checks for valid input parameters and returns an array of PowerGrant structs, which include details about each grant.
_address (address): The address of the user whose power grants are being queried.start (uint256): The starting index for the range of power grants to retrieve.end (uint256): The ending index for the range of power grants to retrieve.PowerGrant[]): An array of PowerGrant structs, each containing:
power (uint256): The power associated with the grant.startTime (uint256): The start time of the grant.granttype (uint256): The type of the grant.referredUser (address): The address of the user who referred this grant.