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/*
* AquaVM Workflow Engine
*
* Copyright (C) 2024 Fluence DAO
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use crate::KeyPair;
use crate::SaltedData;
use air_interpreter_cid::{CidRef, CID};
use fluence_keypair::error::SigningError;
use std::rc::Rc;
/// The tracker that collect current peer's CIDs only.
#[derive(Debug)]
pub struct PeerCidTracker {
current_peer_id: Rc<String>,
cids: Vec<Rc<CidRef>>,
}
impl PeerCidTracker {
pub fn new(current_peer_id: impl Into<Rc<String>>) -> Self {
Self {
current_peer_id: current_peer_id.into(),
cids: vec![],
}
}
pub fn register<T>(&mut self, peer: &str, cid: &CID<T>) {
if peer == *self.current_peer_id {
self.cids.push(cid.get_inner())
}
}
pub fn gen_signature(
&self,
salt: &str,
keypair: &KeyPair,
) -> Result<crate::Signature, SigningError> {
sign_cids(self.cids.clone(), salt, &keypair.0).map(Into::into)
}
}
pub fn sign_cids(
mut cids: Vec<Rc<CidRef>>,
salt: &str,
keypair: &fluence_keypair::KeyPair,
) -> Result<fluence_keypair::Signature, SigningError> {
cids.sort_unstable();
let serialized_cids = SaltedData::new(&cids, salt).serialize();
keypair.sign(&serialized_cids)
}