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keystore.rs
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keystore.rs
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// Copyright (c) RoochNetwork
// SPDX-License-Identifier: Apache-2.0
use crate::key_derive::{derive_key_pair_from_path, generate_new_key};
use anyhow::anyhow;
use bip32::DerivationPath;
use bip39::{Language, Mnemonic, Seed};
use enum_dispatch::enum_dispatch;
// #[cfg(any(test, feature = "fuzzing"))]
// use proptest::{collection::btree_map, prelude::*};
// #[cfg(any(test, feature = "fuzzing"))]
// use proptest_derive::Arbitrary;
use rand::{rngs::StdRng, SeedableRng};
use rooch_types::account::{
get_key_pair_from_rng, EncodeDecodeBase64, PublicKey, RoochKeyPair, SignatureScheme,
};
use rooch_types::address::RoochAddress;
use serde::{Deserialize, Deserializer, Serialize, Serializer};
use std::collections::BTreeMap;
use std::fmt::Write;
use std::fmt::{Display, Formatter};
use std::fs;
use std::fs::File;
use std::io::BufReader;
use std::path::{Path, PathBuf};
#[derive(Serialize, Deserialize)]
#[enum_dispatch(AccountKeystore)]
pub enum Keystore {
File(FileBasedKeystore),
InMem(InMemKeystore),
}
#[enum_dispatch]
pub trait AccountKeystore: Send + Sync {
fn add_key(&mut self, keypair: RoochKeyPair) -> Result<(), anyhow::Error>;
fn keys(&self) -> Vec<PublicKey>;
fn get_key(&self, address: &RoochAddress) -> Result<&RoochKeyPair, anyhow::Error>;
fn addresses(&self) -> Vec<RoochAddress> {
self.keys().iter().map(|k| k.into()).collect()
}
fn generate_and_add_new_key(
&mut self,
key_scheme: SignatureScheme,
derivation_path: Option<DerivationPath>,
word_length: Option<String>,
) -> Result<(RoochAddress, String, SignatureScheme), anyhow::Error> {
let (address, kp, scheme, phrase) =
generate_new_key(key_scheme, derivation_path, word_length)?;
self.add_key(kp)?;
Ok((address, phrase, scheme))
}
fn import_from_mnemonic(
&mut self,
phrase: &str,
key_scheme: SignatureScheme,
derivation_path: Option<DerivationPath>,
) -> Result<RoochAddress, anyhow::Error> {
let mnemonic = Mnemonic::from_phrase(phrase, Language::English)
.map_err(|e| anyhow::anyhow!("Invalid mnemonic phrase: {:?}", e))?;
let seed = Seed::new(&mnemonic, "");
match derive_key_pair_from_path(seed.as_bytes(), derivation_path, &key_scheme) {
Ok((address, kp)) => {
self.add_key(kp)?;
Ok(address)
}
Err(e) => Err(anyhow!("error getting keypair {:?}", e)),
}
}
}
impl Display for Keystore {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let mut writer = String::new();
match self {
Keystore::File(file) => {
writeln!(writer, "Keystore Type : File")?;
write!(writer, "Keystore Path : {:?}", file.path)?;
write!(f, "{}", writer)
}
Keystore::InMem(_) => {
writeln!(writer, "Keystore Type : InMem")?;
write!(f, "{}", writer)
}
}
}
}
#[derive(Default, Debug)]
pub struct FileBasedKeystore {
keys: BTreeMap<RoochAddress, RoochKeyPair>,
path: Option<PathBuf>,
}
impl Serialize for FileBasedKeystore {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(
self.path
.as_ref()
.unwrap_or(&PathBuf::default())
.to_str()
.unwrap_or(""),
)
}
}
impl<'de> Deserialize<'de> for FileBasedKeystore {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
use serde::de::Error;
FileBasedKeystore::new(&PathBuf::from(String::deserialize(deserializer)?))
.map_err(D::Error::custom)
}
}
// #[cfg(any(test, feature = "fuzzing"))]
// impl Arbitrary for FileBasedKeystore {
// type Parameters = ();
// fn arbitrary_with(_args: Self::Parameters) -> Self::Strategy {
// arb_file_based_keystore().boxed()
// }
// type Strategy = BoxedStrategy<Self>;
// }
// #[cfg(any(test, feature = "fuzzing"))]
// prop_compose! {
// fn arb_file_based_keystore()(
// key in btree_map(any::<RoochAddress>(), any::<RoochKeyPair>(), 1..100),
// path in any::<PathBuf>(),
// ) -> FileBasedKeystore {
// FileBasedKeystore {
// keys: key,
// path: Some(path),
// }
// }
// }
impl AccountKeystore for FileBasedKeystore {
fn add_key(&mut self, keypair: RoochKeyPair) -> Result<(), anyhow::Error> {
match std::env::var_os("TEST_ENV") {
Some(_) => {}
None => {
let address: RoochAddress = (&keypair.public()).into();
self.keys.insert(address, keypair);
self.save()?;
}
}
Ok(())
}
fn keys(&self) -> Vec<PublicKey> {
self.keys.values().map(|key| key.public()).collect()
}
fn get_key(&self, address: &RoochAddress) -> Result<&RoochKeyPair, anyhow::Error> {
match self.keys.get(address) {
Some(key) => Ok(key),
None => Err(anyhow!("Cannot find key for address: [{address}]")),
}
}
}
impl FileBasedKeystore {
pub fn new(path: &PathBuf) -> Result<Self, anyhow::Error> {
let keys = if path.exists() {
let reader = BufReader::new(
File::open(path)
.map_err(|e| anyhow!("Can't open FileBasedKeystore from {:?}: {e}", path))?,
);
let kp_strings: Vec<String> = serde_json::from_reader(reader)
.map_err(|e| anyhow!("Can't deserialize FileBasedKeystore from {:?}: {e}", path))?;
kp_strings
.iter()
.map(|kpstr| {
let key = RoochKeyPair::decode_base64(kpstr);
key.map(|k| (Into::<RoochAddress>::into(&k.public()), k))
})
.collect::<Result<BTreeMap<_, _>, _>>()
.map_err(|e| anyhow::anyhow!("Invalid Keypair file {:#?} {:?}", e, path))?
} else {
BTreeMap::new()
};
Ok(Self {
keys,
path: Some(path.to_path_buf()),
})
}
pub fn set_path(&mut self, path: &Path) {
self.path = Some(path.to_path_buf());
}
pub fn save(&self) -> Result<(), anyhow::Error> {
if let Some(path) = &self.path {
let store = serde_json::to_string_pretty(
&self
.keys
.values()
.map(EncodeDecodeBase64::encode_base64)
.collect::<Vec<_>>(),
)
.unwrap();
fs::write(path, store)?
}
Ok(())
}
pub fn key_pairs(&self) -> Vec<&RoochKeyPair> {
self.keys.values().collect()
}
}
#[derive(Default, Serialize, Deserialize)]
pub struct InMemKeystore {
keys: BTreeMap<RoochAddress, RoochKeyPair>,
}
impl AccountKeystore for InMemKeystore {
fn add_key(&mut self, keypair: RoochKeyPair) -> Result<(), anyhow::Error> {
let address: RoochAddress = (&keypair.public()).into();
self.keys.insert(address, keypair);
Ok(())
}
fn keys(&self) -> Vec<PublicKey> {
self.keys.values().map(|key| key.public()).collect()
}
fn get_key(&self, address: &RoochAddress) -> Result<&RoochKeyPair, anyhow::Error> {
match self.keys.get(address) {
Some(key) => Ok(key),
None => Err(anyhow!("Cannot find key for address: [{address}]")),
}
}
}
impl InMemKeystore {
pub fn new_insecure_for_tests(initial_key_number: usize) -> Self {
let mut rng = StdRng::from_seed([0; 32]);
let keys = (0..initial_key_number)
.map(|_| get_key_pair_from_rng(&mut rng))
.map(|(ad, k)| (ad, RoochKeyPair::Ed25519(k)))
.collect::<BTreeMap<RoochAddress, RoochKeyPair>>();
Self { keys }
}
}