1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
#![cfg(feature = "iterator")]
mod multi;
mod unique;
pub use multi::MultiIndex;
pub use unique::UniqueIndex;
use serde::de::DeserializeOwned;
use serde::Serialize;
use cosmwasm_std::{StdResult, Storage};
pub fn index_string(data: &str) -> Vec<u8> {
data.as_bytes().to_vec()
}
pub fn index_tuple(name: &str, age: u32) -> (Vec<u8>, u32) {
(index_string(name), age)
}
pub fn index_triple(name: &str, age: u32, pk: Vec<u8>) -> (Vec<u8>, u32, Vec<u8>) {
(index_string(name), age, pk)
}
pub fn index_string_tuple(data1: &str, data2: &str) -> (Vec<u8>, Vec<u8>) {
(index_string(data1), index_string(data2))
}
pub trait Index<T>
where
T: Serialize + DeserializeOwned + Clone,
{
fn save(&self, store: &mut dyn Storage, pk: &[u8], data: &T) -> StdResult<()>;
fn remove(&self, store: &mut dyn Storage, pk: &[u8], old_data: &T) -> StdResult<()>;
}