#![cfg_attr(not(feature = "std"), no_std)]

#[ink::contract]
mod photo_storage {
    #[ink(storage)]
    pub struct PhotoStorage {
        ipfs_hash: Option<String>,
    }

    impl PhotoStorage {
        #[ink(constructor)]
        pub fn new() -> Self {
            Self { ipfs_hash: None }
        }

        #[ink(message)]
        pub fn set_ipfs_hash(&mut self, hash: String) {
            self.ipfs_hash = Some(hash);
        }

        #[ink(message)]
        pub fn get_ipfs_hash(&self) -> Option<String> {
            self.ipfs_hash.clone()
        }
    }
}