gistfile1.txt

use cosmwasm_std::{Response, StdResult};
use cw_storage_plus::Item;
use sylvia::{contract, entry_points};
use sylvia::types::{InstantiateCtx, QueryCtx};

use crate::response::CounterResponse;


pub struct Counter {
    pub(crate) count: Item<'static, u64>,
}

#[contract]
#[entry_points(instantiate)]
impl Counter {
    pub fn new() -> Self {
        Self {
            count: Item::new("count"),
        }
    }

    #[msg(instantiate)]
    pub fn instantiate(&self, _ctx: InstantiateCtx, count: u64) -> StdResult<Response> {
        self.count.save(_ctx.deps.storage, &count)?;
        Ok(Response::default())
    }

    #[msg(query)]
    pub fn query(&self, _ctx: QueryCtx) -> StdResult<CounterResponse> {
        let count = self.count.load(_ctx.deps.storage)?;
        Ok( CounterResponse { count } )
    }
}