tendermint_config/
node_key.rs

1//! Node keys
2
3use std::{fs, path::Path};
4
5use serde::{Deserialize, Serialize};
6use tendermint::{node, private_key::PrivateKey, public_key::PublicKey};
7
8use crate::{error::Error, prelude::*};
9
10/// P2P node private keys
11#[derive(Serialize, Deserialize)]
12pub struct NodeKey {
13    /// Private key
14    pub priv_key: PrivateKey,
15}
16
17impl NodeKey {
18    /// Parse `node_key.json`
19    pub fn parse_json<T: AsRef<str>>(json_string: T) -> Result<Self, Error> {
20        let res = serde_json::from_str(json_string.as_ref()).map_err(Error::serde_json)?;
21        Ok(res)
22    }
23
24    /// Load `node_key.json` from a file
25    pub fn load_json_file<P>(path: &P) -> Result<Self, Error>
26    where
27        P: AsRef<Path>,
28    {
29        let json_string = fs::read_to_string(path)
30            .map_err(|e| Error::file_io(format!("{}", path.as_ref().display()), e))?;
31
32        Self::parse_json(json_string)
33    }
34
35    /// Get the public key for this keypair
36    pub fn public_key(&self) -> PublicKey {
37        #[allow(unreachable_patterns)]
38        match &self.priv_key {
39            PrivateKey::Ed25519(signing_key) => PublicKey::Ed25519(signing_key.verification_key()),
40            _ => unreachable!(),
41        }
42    }
43
44    /// Get node ID for this keypair
45    pub fn node_id(&self) -> node::Id {
46        #[allow(unreachable_patterns)]
47        match &self.public_key() {
48            PublicKey::Ed25519(pubkey) => node::Id::from(*pubkey),
49            _ => unreachable!(),
50        }
51    }
52}
tendermint_config/node_key.rs

tendermint_config/
node_key.rs
