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

src/config.py

@@ -0,0 +1,20 @@
+from pydantic_settings import BaseSettings
+
+class IndexerSettings(BaseSettings):
+    CHAIN_ID: int = 46630 # Robinhood Testnet default
+    RPC_URL: str = "https://rpc.testnet.chain.robinhood.com"
+    START_BLOCK: int = 0
+    BATCH_SIZE: int = 100
+    POLL_INTERVAL_SECONDS: float = 2.0
+    
+    # 数据库与 Redis
+    DATABASE_URL: str = "postgresql+asyncpg://postgres:postgres@localhost:5432/wtfx"
+    REDIS_URL: str = "redis://localhost:6379/0"
+    
+    # 控制器合约地址
+    CONTROLLER_ADDRESS: str = "0x0000000000000000000000000000000000000000"
+
+    class Config:
+        env_file = ".env"
+
+indexer_settings = IndexerSettings()