프로그래머블 컴플라이언스 레이어 (PCL)

graph TD
    subgraph TX["Every transaction"]
        A["Tx submitted"] --> B{"Global policies<br/>at submission and before execution"}
        B -- pass --> D["EVM execution"]
        B -- violation --> E["Rejected before execution"]
        D --> R{"Global policies again<br/>after execution"}
        R -- pass --> F["State committed"]
        R -- violation --> S["Tx fails, still mined and charged"]
    end

    subgraph PX["A call into a PCL-wrapped contract"]
        G["Call via PCL proxy"] --> H{"PCL preCall<br/>contract and global policies"}
        H -- pass --> K["Execute contract logic"]
        H -- violation --> L["Revert"]
        K --> T{"PCL postCall"}
        T -- pass --> U["Return result"]
        T -- violation --> L
    end

    subgraph CFG["PCL configuration"]
        M["Policy admin"] -- manages --> N["Policy templates"]
        M -- manages --> O["Global policy config"]
        P["Contract policy admin"] -- manages --> Q["Contract policy config"]
        N --> O
        N --> Q
    end
    classDef evm fill:#0096AA,stroke:#0096AA,color:#fff;
    classDef precompile fill:#FF8C50,stroke:#FF8C50,color:#fff;
    class A,D,E,F,S,G,K,L,U,M,P evm;
    class B,R,H,T,N,O,Q precompile;