maple-runtime 0.1.1

MAPLE Resonance Runtime - Foundational AI framework for Mapleverse, Finalverse, and iBank
Documentation 
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//! Continuity proofs and records for Resonator persistence

use crate::types::*;
use serde::{Deserialize, Serialize};

/// Proof of continuity for resuming a Resonator
///
/// This cryptographic proof ensures that a Resonator can be
/// securely resumed after a restart or migration.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContinuityProof {
    /// Resonator identity
    pub resonator_id: ResonatorId,

    /// Timestamp of last checkpoint
    pub checkpoint_time: chrono::DateTime<chrono::Utc>,

    /// Cryptographic signature (placeholder)
    pub signature: Vec<u8>,

    /// Nonce for replay protection
    pub nonce: u64,
}

/// Complete continuity record for a Resonator
///
/// Contains all state needed to resume a Resonator after restart.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ContinuityRecord {
    /// Identity
    pub identity: ResonatorId,

    /// Presence state at checkpoint
    pub presence_state: PresenceState,

    /// Attention state at checkpoint
    pub attention_state: AttentionBudget,

    /// Active couplings at checkpoint
    pub couplings: Vec<Coupling>,

    /// Pending commitments (placeholder)
    pub pending_commitments: Vec<CommitmentId>,

    /// Memory snapshot (placeholder)
    pub memory: Option<Vec<u8>>,

    /// Checkpoint timestamp
    pub checkpoint_time: chrono::DateTime<chrono::Utc>,
}

impl ContinuityRecord {
    /// Create a new continuity record
    pub fn new(
        identity: ResonatorId,
        presence_state: PresenceState,
        attention_state: AttentionBudget,
        couplings: Vec<Coupling>,
    ) -> Self {
        Self {
            identity,
            presence_state,
            attention_state,
            couplings,
            pending_commitments: Vec::new(),
            memory: None,
            checkpoint_time: chrono::Utc::now(),
        }
    }

    /// Generate proof from this record
    pub fn generate_proof(&self) -> ContinuityProof {
        // In real implementation, would use proper cryptographic signing
        ContinuityProof {
            resonator_id: self.identity,
            checkpoint_time: self.checkpoint_time,
            signature: Vec::new(), // Placeholder
            nonce: 0,              // Placeholder
        }
    }
}