feat: scaffold deterministic replayable indexer architecture with core pipeline, models and docker

src/core/events.py

@@ -0,0 +1,18 @@
+from pydantic import BaseModel, Field
+from typing import Dict, Any, Optional
+
+class NormalizedEvent(BaseModel):
+    """跨链与跨合约的标准归一化事件 (Layer 2)"""
+    chain_id: int
+    block_number: int
+    tx_hash: str
+    log_index: int
+    event_type: str = Field(description="e.g. MARKET_CREATED, MINT_COLLATERAL, REDEEM_OT, RESOLVE_OUTCOME, CLAIM")
+    contract_address: str
+    payload: Dict[str, Any]
+    timestamp: int
+
+    @property
+    def event_id(self) -> str:
+        """全局唯一幂等标识 (Idempotency Key)"""
+        return f"{self.chain_id}:{self.tx_hash}:{self.log_index}"