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maple_runtime/runtime_core/
continuity.rs

1//! Continuity proofs and records for Resonator persistence
2
3use crate::types::*;
4use serde::{Deserialize, Serialize};
5
6/// Proof of continuity for resuming a Resonator
7///
8/// This cryptographic proof ensures that a Resonator can be
9/// securely resumed after a restart or migration.
10#[derive(Debug, Clone, Serialize, Deserialize)]
11pub struct ContinuityProof {
12    /// Resonator identity
13    pub resonator_id: ResonatorId,
14
15    /// Timestamp of last checkpoint
16    pub checkpoint_time: chrono::DateTime<chrono::Utc>,
17
18    /// Cryptographic signature (placeholder)
19    pub signature: Vec<u8>,
20
21    /// Nonce for replay protection
22    pub nonce: u64,
23}
24
25/// Complete continuity record for a Resonator
26///
27/// Contains all state needed to resume a Resonator after restart.
28#[derive(Debug, Clone, Serialize, Deserialize)]
29pub struct ContinuityRecord {
30    /// Identity
31    pub identity: ResonatorId,
32
33    /// Presence state at checkpoint
34    pub presence_state: PresenceState,
35
36    /// Attention state at checkpoint
37    pub attention_state: AttentionBudget,
38
39    /// Active couplings at checkpoint
40    pub couplings: Vec<Coupling>,
41
42    /// Pending commitments (placeholder)
43    pub pending_commitments: Vec<CommitmentId>,
44
45    /// Memory snapshot (placeholder)
46    pub memory: Option<Vec<u8>>,
47
48    /// Checkpoint timestamp
49    pub checkpoint_time: chrono::DateTime<chrono::Utc>,
50}
51
52impl ContinuityRecord {
53    /// Create a new continuity record
54    pub fn new(
55        identity: ResonatorId,
56        presence_state: PresenceState,
57        attention_state: AttentionBudget,
58        couplings: Vec<Coupling>,
59    ) -> Self {
60        Self {
61            identity,
62            presence_state,
63            attention_state,
64            couplings,
65            pending_commitments: Vec::new(),
66            memory: None,
67            checkpoint_time: chrono::Utc::now(),
68        }
69    }
70
71    /// Generate proof from this record
72    pub fn generate_proof(&self) -> ContinuityProof {
73        // In real implementation, would use proper cryptographic signing
74        ContinuityProof {
75            resonator_id: self.identity,
76            checkpoint_time: self.checkpoint_time,
77            signature: Vec::new(), // Placeholder
78            nonce: 0,              // Placeholder
79        }
80    }
81}