ruvector_dag/qudag/
consensus.rs

1//! Consensus Validation
2
3#[derive(Debug, Clone)]
4pub struct ConsensusResult {
5    pub round: u64,
6    pub proposal_id: String,
7    pub accepted: bool,
8    pub stake_weight: f64,
9    pub validator_count: usize,
10}
11
12#[derive(Debug, Clone)]
13pub struct Vote {
14    pub voter_id: String,
15    pub proposal_id: String,
16    pub approve: bool,
17    pub stake_weight: f64,
18    pub signature: Vec<u8>, // ML-DSA signature
19}
20
21impl Vote {
22    pub fn new(voter_id: String, proposal_id: String, approve: bool, stake_weight: f64) -> Self {
23        Self {
24            voter_id,
25            proposal_id,
26            approve,
27            stake_weight,
28            signature: Vec::new(),
29        }
30    }
31
32    pub fn sign(&mut self, _private_key: &[u8]) {
33        // Would use ML-DSA to sign
34        self.signature = vec![0u8; 64];
35    }
36
37    pub fn verify(&self, _public_key: &[u8]) -> bool {
38        // Would verify ML-DSA signature
39        !self.signature.is_empty()
40    }
41}
42
43#[allow(dead_code)]
44pub struct ConsensusTracker {
45    proposals: std::collections::HashMap<String, Vec<Vote>>,
46    threshold: f64, // Stake threshold for acceptance (e.g., 0.67)
47}
48
49#[allow(dead_code)]
50impl ConsensusTracker {
51    pub fn new(threshold: f64) -> Self {
52        Self {
53            proposals: std::collections::HashMap::new(),
54            threshold,
55        }
56    }
57
58    pub fn add_vote(&mut self, vote: Vote) {
59        self.proposals
60            .entry(vote.proposal_id.clone())
61            .or_default()
62            .push(vote);
63    }
64
65    pub fn check_consensus(&self, proposal_id: &str) -> Option<ConsensusResult> {
66        let votes = self.proposals.get(proposal_id)?;
67
68        let total_stake: f64 = votes.iter().map(|v| v.stake_weight).sum();
69        let approve_stake: f64 = votes
70            .iter()
71            .filter(|v| v.approve)
72            .map(|v| v.stake_weight)
73            .sum();
74
75        let accepted = approve_stake / total_stake > self.threshold;
76
77        Some(ConsensusResult {
78            round: 0,
79            proposal_id: proposal_id.to_string(),
80            accepted,
81            stake_weight: total_stake,
82            validator_count: votes.len(),
83        })
84    }
85}
ruvector_dag/qudag/consensus.rs

ruvector_dag/qudag/
consensus.rs
