stemedb/crates/stemedb-storage/src/serde_helpers.rs
jordan 1ce4004807 feat: Complete Phase 2 (The Cortex) - query, lens, and API layers
This commit adds the read path (Cortex) to complement the write path (Spine):

## Crates
- stemedb-api: HTTP API with axum + utoipa OpenAPI
  - /v1/assert, /v1/query, /v1/epoch, /v1/skeptic, /v1/trace, /v1/audit
  - Metered endpoints with quota enforcement
  - Ed25519 signature verification
- stemedb-lens: Truth resolution lenses
  - RecencyLens, ConsensusLens, ConfidenceLens
  - VoteAwareConsensusLens (Ballot Box pattern)
  - TrustAwareAuthorityLens (The Hive pattern)
  - SkepticLens (conflict analysis)
  - EpochAwareLens (paradigm-safe queries)
- stemedb-query: Query engine with materialized views

## Storage Extensions
- VoteStore: Vote aggregation with cached counts
- TrustRankStore: Agent reputation with decay
- AuditStore: Query audit trail
- IndexStore: SP/P/S index structures
- SupersessionStore: Epoch supersession chains

## SDKs
- sdk/go/steme: Go HTTP client with Ed25519 signing
- sdk/go/adk: ADK-Go tools for AI agents

## Documentation
- Updated CLAUDE.md, architecture.md, roadmap.md
- New ai-lookup entries for all services
- Use case docs for consumer health intelligence
- Arena roadmap for simulation advancement

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-01 13:22:44 -07:00

78 lines
2.4 KiB
Rust

//! Storage-layer serialization helpers that map core serde errors to StorageError.
//!
//! This module provides a single source of truth for serialization in the storage layer,
//! eliminating duplication of the error mapping pattern across all store implementations.
//!
//! # Usage
//!
//! ```ignore
//! use crate::serde_helpers::{serialize, deserialize};
//!
//! fn store_item(&self, item: &MyItem) -> Result<()> {
//! let bytes = serialize(item)?;
//! self.kv.put(&key, &bytes)?;
//! Ok(())
//! }
//!
//! fn load_item(&self, key: &[u8]) -> Result<MyItem> {
//! let bytes = self.kv.get(key)?.ok_or_else(|| StorageError::NotFound(...))?;
//! deserialize(&bytes)
//! }
//! ```
use crate::error::{Result, StorageError};
/// Serialize a value using the canonical stemedb_core::serde module.
///
/// Maps serialization errors to [`StorageError::Serialization`].
pub fn serialize<T>(value: &T) -> Result<Vec<u8>>
where
T: rkyv::Serialize<rkyv::ser::serializers::AllocSerializer<4096>>,
{
stemedb_core::serde::serialize(value).map_err(|e| StorageError::Serialization(e.to_string()))
}
/// Deserialize a value using the canonical stemedb_core::serde module.
///
/// Maps deserialization errors to [`StorageError::Serialization`].
pub fn deserialize<T>(data: &[u8]) -> Result<T>
where
T: rkyv::Archive,
T::Archived: for<'a> rkyv::CheckBytes<rkyv::validation::validators::DefaultValidator<'a>>
+ rkyv::Deserialize<T, rkyv::Infallible>,
{
stemedb_core::serde::deserialize(data).map_err(|e| StorageError::Serialization(e.to_string()))
}
#[cfg(test)]
mod tests {
use super::*;
#[derive(Debug, PartialEq, rkyv::Archive, rkyv::Serialize, rkyv::Deserialize)]
#[archive(check_bytes)]
struct TestItem {
id: u64,
name: String,
}
#[test]
fn test_roundtrip() {
let item = TestItem { id: 42, name: "test".to_string() };
let bytes = serialize(&item).expect("serialize should succeed");
let recovered: TestItem = deserialize(&bytes).expect("deserialize should succeed");
assert_eq!(item, recovered);
}
#[test]
fn test_deserialize_invalid_data() {
let garbage = vec![0xFF, 0xFE, 0xFD];
let result: Result<TestItem> = deserialize(&garbage);
assert!(result.is_err());
let err = result.unwrap_err();
assert!(matches!(err, StorageError::Serialization(_)));
}
}