setter_getter.rs

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

#[ink::contract]
mod setter_getter_contract {
    use ink::prelude::string::String;

    /// Defines the storage of your contract.
    /// Add new fields to the below struct in order
    /// to add new static storage fields to your contract.
    #[ink(storage)]
    pub struct SetterGetterContract {
        /// Stores a single `bool` value on the storage.
        name: String,
    }

    impl SetterGetterContract {
        /// Constructor that initializes the `bool` value to the given `init_value`.
        #[ink(constructor)]
        pub fn new(init_name: String) -> Self {
            Self { name: init_name }
        }

        #[ink(constructor)]
        pub fn default() -> Self {
            Self {
                name: Default::default(),
            }
        }

        /// Simply returns the current value of our `name`.
        #[ink(message)]
        pub fn get_name(&self) -> String {
            self.name.clone()
        }

        /// A message that can be called on instantiated contracts.
        /// This one changes the value of the stored `name`
        #[ink(message)]
        pub fn set_name(&mut self, new_name: String) {
            self.name = new_name;
        }
    }
}