build(agent): new-agents-4#58ba63 iteration

equicompiler_algebraic_portfolio_dsl_to_/goc_registry.py

@@ -1,46 +1,48 @@
-"""Graph-of-Contracts (GoC) registry placeholder.
+"""Lightweight Graph-of-Contracts (GoC) registry for MVP.
 
-This module provides a tiny, production-friendly scaffold for a versioned
-adapter registry and a minimal Graph-of-Contracts skeleton. It's designed as
-an extension point for future adapters (data feeds, brokers) while keeping
-the MVP lightweight and auditable.
+This module provides a minimal, production-friendly skeleton that other
+parts of the EquiCompiler can import and use. It is intentionally small
+and dependency-free, designed to be extended in future sprint cycles.
 """
+
 from __future__ import annotations
 
-import json
-import hashlib
 from typing import Dict, Any
 
 
 class GoCRegistry:
-    """Lightweight in-process registry of adapters/contracts."""
+    """Very small in-process registry for GoC contracts/adapters."""
 
     def __init__(self) -> None:
-        self.adapters: Dict[str, Dict[str, Any]] = {}
+        self._registry: Dict[str, Dict[str, Any]] = {}
 
-    def register_adapter(self, name: str, info: Dict[str, Any]) -> None:
-        self.adapters[name] = info
+    def register(self, name: str, contract: Dict[str, Any]) -> None:
+        """Register a contract descriptor by name."""
+        self._registry[name] = contract
 
-    def to_digest(self) -> str:
-        # Deterministic digest of the current adapters mapping
-        return hashlib.sha256(json.dumps(self.adapters, sort_keys=True).encode("utf-8")).hexdigest()
+    def get(self, name: str) -> Dict[str, Any]:
+        """Retrieve a registered contract descriptor by name, or empty if not found."""
+        return self._registry.get(name, {})
 
-    def overview(self) -> Dict[str, Any]:
-        return {"adapters": self.adapters, "digest": self.to_digest()}
+    def list(self) -> Dict[str, Dict[str, Any]]:
+        """Return the whole registry mapping."""
+        return dict(self._registry)
 
 
-def build_minimal_goC_skeleton(registry_digest: str, generated_at: str) -> Dict[str, Any]:
-    """Return a minimal GoC skeleton including registry digest metadata.
+def build_minimal_goC_skeleton(digest: str, timestamp: str) -> Dict[str, Any]:
+    """Return a minimal Graph-of-Contracts skeleton for the given digest.
 
-    The skeleton is intentionally tiny and can be extended as adapters are
-    added. It provides a stable shape for downstream consumers to validate
-    contract integrity and replay provenance.
+    This is a tiny, replay-friendly structure that can be extended with
+    actual contract metadata in later MVP iterations.
     """
     return {
         "version": "0.1",
         "contracts": [],
         "metadata": {
-            "generated_at": generated_at,
-            "registry_digest": registry_digest,
+            "generated_at": timestamp,
+            "source_digest": digest,
         },
     }
+
+
+__all__ = ["GoCRegistry", "build_minimal_goC_skeleton"]