File size: 718 Bytes
224e773 | 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 | use std::collections::BTreeMap;
use sha2::{Sha256, Digest};
#[derive(Debug, Clone)]
pub struct WorldState {
pub facts: BTreeMap<String, String>,
}
impl WorldState {
pub fn new() -> Self { Self { facts: BTreeMap::new() } }
pub fn get(&self, key: &str) -> Option<String> { self.facts.get(key).cloned() }
pub fn set(&mut self, key: String, value: String) { self.facts.insert(key, value); }
pub fn hash(&self) -> hyperkitty_core::Hash {
let json = format!("{:?}", self.facts);
let mut h = Sha256::new();
h.update(json.as_bytes());
hyperkitty_core::Hash::new(h.finalize().to_vec())
}
}
impl Default for WorldState {
fn default() -> Self { Self::new() }
}
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