earthbucks_lib 0.8.5

EarthBucks library for data structures and algorithms
Documentation 
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use crate::buf::EbxBuf;
use crate::key_pair::KeyPair;
use std::collections::HashMap;

#[derive(Debug, Clone, Default)]
pub struct PkhKeyMap {
    map: HashMap<String, KeyPair>,
}

impl PkhKeyMap {
    pub fn new() -> Self {
        Self {
            map: HashMap::new(),
        }
    }

    pub fn add(&mut self, key: KeyPair, pkh_iso_buf: &[u8; 32]) {
        let pkh_hex = pkh_iso_buf.to_strict_hex();
        self.map.insert(pkh_hex, key);
    }

    pub fn remove(&mut self, pkh_iso_buf: &[u8; 32]) {
        let pkh_hex = pkh_iso_buf.to_strict_hex();
        self.map.remove(&pkh_hex);
    }

    pub fn get(&self, pkh_iso_buf: &[u8; 32]) -> Option<&KeyPair> {
        let pkh_hex = pkh_iso_buf.to_strict_hex();
        self.map.get(&pkh_hex)
    }

    pub fn values(&self) -> std::collections::hash_map::Values<'_, String, KeyPair> {
        self.map.values()
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::key_pair::KeyPair;
    use crate::pkh::Pkh;
    use hex;

    #[test]
    fn test_add() {
        let mut pkh_key_map = PkhKeyMap::new();
        let key = KeyPair::from_random();
        let key_clone = key.clone();
        let pkh = Pkh::from_pub_key_buffer(key_clone.pub_key.buf.to_vec());
        let pkh_iso_buf = pkh.buf;
        pkh_key_map.add(key.clone(), &pkh_iso_buf);
        let retrieved_key = pkh_key_map.get(&pkh_iso_buf).unwrap();
        assert_eq!(
            hex::encode(retrieved_key.priv_key.buf),
            hex::encode(key.priv_key.buf)
        );
    }

    #[test]
    fn test_remove() {
        let mut pkh_key_map = PkhKeyMap::new();
        let key = KeyPair::from_random();
        let key_clone = key.clone();
        let pkh = Pkh::from_pub_key_buffer(key_clone.pub_key.buf.to_vec());
        let pkh_iso_buf = pkh.buf;
        pkh_key_map.add(key.clone(), &pkh_iso_buf);
        pkh_key_map.remove(&pkh_iso_buf);
        assert!(pkh_key_map.get(&pkh_iso_buf).is_none());
    }

    #[test]
    fn test_get() {
        let mut pkh_key_map = PkhKeyMap::new();
        let key = KeyPair::from_random();
        let key_clone = key.clone();
        let pkh = Pkh::from_pub_key_buffer(key_clone.pub_key.buf.to_vec());
        let pkh_iso_buf = pkh.buf;
        pkh_key_map.add(key.clone(), &pkh_iso_buf);
        let retrieved_key = pkh_key_map.get(&pkh_iso_buf).unwrap();
        assert_eq!(
            hex::encode(retrieved_key.priv_key.buf),
            hex::encode(key.priv_key.buf)
        );
    }

    #[test]
    fn test_values() {
        let mut pkh_key_map = PkhKeyMap::new();
        let key1 = KeyPair::from_random();
        let key1_clone = key1.clone();
        let pkh1 = Pkh::from_pub_key_buffer(key1_clone.pub_key.buf.to_vec());
        let pkh_iso_buf1 = pkh1.buf;
        let key2 = KeyPair::from_random();
        let key2_clone = key2.clone();
        let pkh2 = Pkh::from_pub_key_buffer(key2_clone.pub_key.buf.to_vec());
        let pkh_iso_buf2 = pkh2.buf;
        pkh_key_map.add(key1.clone(), &pkh_iso_buf1);
        pkh_key_map.add(key2.clone(), &pkh_iso_buf2);
        let values: Vec<&KeyPair> = pkh_key_map.values().collect();
        assert_eq!(values.len(), 2);

        let key1_encoded = hex::encode(key1.priv_key.buf);
        let key2_encoded = hex::encode(key2.priv_key.buf);
        let values_encoded: Vec<String> = values
            .iter()
            .map(|value| hex::encode(value.priv_key.buf))
            .collect();

        assert!(values_encoded.contains(&key1_encoded));
        assert!(values_encoded.contains(&key2_encoded));
    }
}