nklave-storage

Persistence layer for Nklave: append-only decision logs, checkpoints, and EIP-3076 interchange.

Features

• Decision Logs - Append-only audit trail with cryptographic chaining
• Checkpoints - Periodic state snapshots for fast recovery
• EIP-3076 - Slashing protection interchange format support
• Log Rotation - Automatic rotation with configurable limits
• Encrypted Storage - Optional AES-256-CTR encryption for sensitive data

Usage

use nklave_storage::{DecisionLog, Checkpoint};

// Open or create a decision log
let log = DecisionLog::open("./data/decisions.log")?;

// Append a decision record
log.append(&decision_record)?;

// Create a checkpoint
let checkpoint = Checkpoint::new(&integrity, validators);
checkpoint.save("./data/checkpoint.json")?;

License

MIT License - Cryptuon