flowchart TD
    subgraph CurrentQuery["当前已具备的链上查询面"]
        Node["MSG 全节点"] --> RPC["Tendermint RPC / JSON-RPC / REST / gRPC"]
        RPC --> Status["/api/v1/status"]
        RPC --> Balance["/api/v1/bank/balances"]
        RPC --> Tx["/broadcast_tx_commit / tx 查询"]
        REST["pkg/api/rest/server.go"] --> Node
    end

    subgraph CurrentIndexBase["当前已存在的索引基础"]
        Listener["pkg/indexer/event_listener.go"] --> Poll["轮询区块高度 / 拉取区块"]
        Poll --> Parse["解析交易与事件"]
        Parse --> Swap["SwapEvent / DEX 事件处理"]
        Swap --> WS["WSHub 广播"]
    end

    subgraph TargetExplorer["完整 Explorer 目标形态"]
        Fetcher["通用 Indexer / Block / Tx / Event Fetcher"]
        Parser["通用 Decoder / Parser"]
        DB[(PostgreSQL)]
        Redis[(Redis)]
        API["Explorer API"]
        Web["Subscan-like / Mintscan-like UI"]
    end

    RPC --> Fetcher
    REST --> Fetcher
    Parse --> Fetcher
    Fetcher --> Parser
    Parser --> DB
    Parser --> Redis
    API --> DB
    API --> Redis
    Web --> API