/
githubmirror
/
sway
Обзор
Документация
Войти
/
githubmirror
/
sway
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
examples/basic_storage_variables/src/main.sw
43 строки
1 KB
Cameron Carstens
Introduce `Self::zero` and `self::is_zero()` for 13 types (#5973)
22 май 2024, 13:13
Не верифицирован
22 май 2024, 13:13
954a81b
Код
Авторство
О чём код?
contract; // ANCHOR: basic_storage_declaration storage { var1: u64 = 1, var2: b256 = b256::zero(), var3: Address = Address::zero(), var4: Option<u8> = None, } // ANCHOR_END: basic_storage_declaration abi StorageExample { #[storage(write)] fn store_something(); #[storage(read)] fn get_something(); } impl StorageExample for Contract { #[storage(write)] fn store_something() { // ANCHOR: basic_storage_write storage.var1.write(42); storage .var2 .write(0x1111111111111111111111111111111111111111111111111111111111111111); storage .var3 .write(Address::from(0x1111111111111111111111111111111111111111111111111111111111111111)); storage.var4.write(Some(2u8)); // ANCHOR_END: basic_storage_write } #[storage(read)] fn get_something() { // ANCHOR: basic_storage_read let var1: u64 = storage.var1.read(); let var2: b256 = storage.var2.try_read().unwrap_or(b256::zero()); let var3: Address = storage.var3.try_read().unwrap_or(Address::zero()); let var4: Option<u8> = storage.var4.try_read().unwrap_or(None); // ANCHOR_END: basic_storage_read } }