Trait RRC721

Source

pub trait RRC721 {
    // Required methods
    fn name(&self) -> &str;
    fn symbol(&self) -> &str;
    fn balance_of(&self, owner: Address) -> u64;
    fn owner_of(&self, token_id: u64) -> Address;
    fn safe_transfer_from(
        &mut self,
        from: Address,
        to: Address,
        token_id: u64,
    ) -> Result<(), Error>;
    fn approve(&mut self, to: Address, token_id: u64) -> Result<(), Error>;
    fn get_approved(&self, token_id: u64) -> Address;
    fn token_uri(&self, token_id: u64) -> String;
    fn get_attribute(&self, token_id: u64, key: &str) -> String;
}