Sprint 5 : integration et production -- securite, performance, API publique, documentation
Backend: rate limiter, security headers, blockchain cache service avec RPC, public API (7 endpoints read-only), WebSocket auth + heartbeat, DB connection pooling, structured logging, health check DB. Frontend: API retry/timeout, WebSocket auth + heartbeat + typed events, notifications toast, mobile hamburger + drawer, error boundary, offline banner, loading skeletons, dashboard enrichi. Documentation: guides utilisateur complets (demarrage, vote, sanctuaire, FAQ 30+), guide deploiement, politique securite. 123 tests, 155 fichiers. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Yvv
@@ -3,85 +3,302 @@
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Provides functions to query WoT size, Smith sub-WoT size, and
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Technical Committee size from the Duniter V2 blockchain.
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Currently stubbed with hardcoded values matching GDev test data.
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Architecture:
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1. Check database cache (via cache_service)
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2. Try JSON-RPC call to Duniter node
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3. Fall back to hardcoded GDev test values (with warning log)
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All public functions accept a db session for cache access.
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"""
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from __future__ import annotations
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import logging
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async def get_wot_size() -> int:
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import httpx
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.config import settings
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from app.services import cache_service
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logger = logging.getLogger(__name__)
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# Hardcoded fallback values from GDev snapshot
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_FALLBACK_WOT_SIZE = 7224
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_FALLBACK_SMITH_SIZE = 20
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_FALLBACK_TECHCOMM_SIZE = 5
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# Cache key prefixes
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_CACHE_KEY_WOT = "blockchain:wot_size"
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_CACHE_KEY_SMITH = "blockchain:smith_size"
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_CACHE_KEY_TECHCOMM = "blockchain:techcomm_size"
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async def _fetch_from_rpc(method: str, params: list | None = None) -> dict | None:
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"""Send a JSON-RPC POST request to the Duniter node.
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Uses the HTTP variant of the RPC URL. If DUNITER_RPC_URL starts with
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``wss://`` or ``ws://``, it is converted to ``https://`` or ``http://``
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for the HTTP JSON-RPC endpoint.
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Parameters
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----------
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method:
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The RPC method name (e.g. ``"state_getStorage"``).
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params:
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Optional list of parameters for the RPC call.
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Returns
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-------
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dict | None
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The ``"result"`` field from the JSON-RPC response, or None on error.
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"""
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# Convert WebSocket URL to HTTP for JSON-RPC
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rpc_url = settings.DUNITER_RPC_URL
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if rpc_url.startswith("wss://"):
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rpc_url = rpc_url.replace("wss://", "https://", 1)
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elif rpc_url.startswith("ws://"):
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rpc_url = rpc_url.replace("ws://", "http://", 1)
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# Strip /ws suffix if present
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if rpc_url.endswith("/ws"):
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rpc_url = rpc_url[:-3]
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payload = {
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"jsonrpc": "2.0",
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"id": 1,
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"method": method,
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"params": params or [],
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}
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try:
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async with httpx.AsyncClient(
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timeout=settings.DUNITER_RPC_TIMEOUT_SECONDS
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) as client:
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response = await client.post(rpc_url, json=payload)
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response.raise_for_status()
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data = response.json()
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if "error" in data:
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logger.warning(
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"Erreur RPC Duniter pour %s: %s",
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method, data["error"],
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)
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return None
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return data.get("result")
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except httpx.ConnectError:
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logger.warning(
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"Impossible de se connecter au noeud Duniter (%s)", rpc_url
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)
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return None
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except httpx.TimeoutException:
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logger.warning(
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"Timeout lors de l'appel RPC Duniter pour %s (%s)",
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method, rpc_url,
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)
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return None
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except httpx.HTTPStatusError as exc:
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logger.warning(
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"Erreur HTTP Duniter RPC pour %s: %s",
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method, exc.response.status_code,
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)
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return None
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except Exception:
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logger.warning(
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"Erreur inattendue lors de l'appel RPC Duniter pour %s",
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method,
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exc_info=True,
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)
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return None
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async def _fetch_membership_count(db: AsyncSession) -> int | None:
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"""Fetch WoT membership count from the Duniter RPC.
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Queries ``membership_membershipsCount`` via state RPC.
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Returns
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-------
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int | None
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The membership count, or None if the RPC call failed.
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"""
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# Try runtime API call for membership count
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result = await _fetch_from_rpc("membership_membershipsCount", [])
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if result is not None:
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try:
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count = int(result)
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# Cache the result
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await cache_service.set_cached(
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_CACHE_KEY_WOT,
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{"value": count},
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db,
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ttl_seconds=settings.BLOCKCHAIN_CACHE_TTL_SECONDS,
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)
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return count
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except (ValueError, TypeError):
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logger.warning("Reponse RPC invalide pour membership count: %s", result)
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return None
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async def _fetch_smith_count(db: AsyncSession) -> int | None:
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"""Fetch Smith membership count from the Duniter RPC.
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Returns
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-------
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int | None
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The Smith member count, or None if the RPC call failed.
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"""
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result = await _fetch_from_rpc("smithMembers_smithMembersCount", [])
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if result is not None:
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try:
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count = int(result)
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await cache_service.set_cached(
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_CACHE_KEY_SMITH,
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{"value": count},
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db,
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ttl_seconds=settings.BLOCKCHAIN_CACHE_TTL_SECONDS,
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)
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return count
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except (ValueError, TypeError):
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logger.warning("Reponse RPC invalide pour smith count: %s", result)
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return None
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async def _fetch_techcomm_count(db: AsyncSession) -> int | None:
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"""Fetch Technical Committee member count from the Duniter RPC.
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Returns
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-------
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int | None
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The TechComm member count, or None if the RPC call failed.
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"""
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result = await _fetch_from_rpc("technicalCommittee_members", [])
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if result is not None:
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try:
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if isinstance(result, list):
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count = len(result)
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else:
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count = int(result)
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await cache_service.set_cached(
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_CACHE_KEY_TECHCOMM,
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{"value": count},
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db,
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ttl_seconds=settings.BLOCKCHAIN_CACHE_TTL_SECONDS,
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)
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return count
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except (ValueError, TypeError):
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logger.warning("Reponse RPC invalide pour techcomm count: %s", result)
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return None
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async def get_wot_size(db: AsyncSession) -> int:
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"""Return the current number of WoT members.
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TODO: Implement real RPC call using substrate-interface::
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Resolution order:
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1. Database cache (if not expired)
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2. Duniter RPC call
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3. Hardcoded fallback (7224, GDev snapshot)
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from substrateinterface import SubstrateInterface
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from app.config import settings
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substrate = SubstrateInterface(url=settings.DUNITER_RPC_URL)
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# Query membership count
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result = substrate.query(
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module="Membership",
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storage_function="MembershipCount",
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)
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return int(result.value)
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Parameters
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----------
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db:
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Async database session (for cache access).
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Returns
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-------
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int
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Number of WoT members. Currently returns 7224 (GDev snapshot).
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Number of WoT members.
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"""
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# TODO: Replace with real substrate-interface RPC call
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return 7224
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# 1. Try cache
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cached = await cache_service.get_cached(_CACHE_KEY_WOT, db)
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if cached is not None:
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return cached["value"]
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# 2. Try RPC
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rpc_value = await _fetch_membership_count(db)
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if rpc_value is not None:
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return rpc_value
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# 3. Fallback
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logger.warning(
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"Utilisation de la valeur WoT par defaut (%d) - "
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"cache et RPC indisponibles",
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_FALLBACK_WOT_SIZE,
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)
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return _FALLBACK_WOT_SIZE
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async def get_smith_size() -> int:
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async def get_smith_size(db: AsyncSession) -> int:
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"""Return the current number of Smith members (forgerons).
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TODO: Implement real RPC call using substrate-interface::
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Resolution order:
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1. Database cache (if not expired)
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2. Duniter RPC call
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3. Hardcoded fallback (20, GDev snapshot)
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from substrateinterface import SubstrateInterface
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from app.config import settings
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substrate = SubstrateInterface(url=settings.DUNITER_RPC_URL)
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# Query Smith membership count
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result = substrate.query(
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module="SmithMembers",
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storage_function="SmithMembershipCount",
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)
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return int(result.value)
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Parameters
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----------
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db:
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Async database session (for cache access).
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Returns
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-------
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int
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Number of Smith members. Currently returns 20 (GDev snapshot).
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Number of Smith members.
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"""
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# TODO: Replace with real substrate-interface RPC call
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return 20
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# 1. Try cache
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cached = await cache_service.get_cached(_CACHE_KEY_SMITH, db)
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if cached is not None:
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return cached["value"]
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# 2. Try RPC
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rpc_value = await _fetch_smith_count(db)
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if rpc_value is not None:
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return rpc_value
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# 3. Fallback
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logger.warning(
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"Utilisation de la valeur Smith par defaut (%d) - "
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"cache et RPC indisponibles",
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_FALLBACK_SMITH_SIZE,
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)
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return _FALLBACK_SMITH_SIZE
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async def get_techcomm_size() -> int:
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async def get_techcomm_size(db: AsyncSession) -> int:
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"""Return the current number of Technical Committee members.
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TODO: Implement real RPC call using substrate-interface::
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Resolution order:
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1. Database cache (if not expired)
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2. Duniter RPC call
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3. Hardcoded fallback (5, GDev snapshot)
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from substrateinterface import SubstrateInterface
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from app.config import settings
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substrate = SubstrateInterface(url=settings.DUNITER_RPC_URL)
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# Query TechComm member count
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result = substrate.query(
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module="TechnicalCommittee",
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storage_function="Members",
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)
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return len(result.value) if result.value else 0
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Parameters
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----------
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db:
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Async database session (for cache access).
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Returns
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-------
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int
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Number of TechComm members. Currently returns 5 (GDev snapshot).
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Number of TechComm members.
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"""
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# TODO: Replace with real substrate-interface RPC call
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return 5
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# 1. Try cache
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cached = await cache_service.get_cached(_CACHE_KEY_TECHCOMM, db)
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if cached is not None:
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return cached["value"]
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# 2. Try RPC
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rpc_value = await _fetch_techcomm_count(db)
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if rpc_value is not None:
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return rpc_value
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# 3. Fallback
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logger.warning(
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"Utilisation de la valeur TechComm par defaut (%d) - "
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"cache et RPC indisponibles",
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_FALLBACK_TECHCOMM_SIZE,
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)
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return _FALLBACK_TECHCOMM_SIZE
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