GetApproved

Get the address approved to transfer the NFT with the given tokenId (ERC-721 getApproved(uint256)).

func GetApproved(
    contractAddress string,
    tokenId *big.Int,
) (approved string, err error)

func main() {
    ...
    alchemy := gas.NewAlchemy(setting)
    ...
    approved, err := alchemy.Nft.GetApproved(contractAddress, tokenId)
}