PlantUML Web Server

@startuml
actor User
participant "User's Device" as Device
participant SDK
participant "Local Storage" as Storage
participant "Lit Nodes" as LitNodes
participant "Lit Network Endpoints" as Endpoints

User -> Device: Generate session key pair (Ed25519)
Device -> SDK: Initiate SDK

alt Session key in storage
    SDK -> Storage: Retrieve `lit-session-key`
else Session key not in storage
    SDK -> Device: Generate new `lit-session-key`
    Device -> Storage: Cache `lit-session-key`
end

SDK -> SDK: Create authSig (ERC-5573 message)
SDK -> Storage: Retrieve `lit-wallet-sig`

alt Wallet sig expired
    SDK -> User: Prompt re-sign
    User -> SDK: Re-sign with ERC-5573 message
    SDK -> Storage: Cache new `lit-wallet-sig`
else Wallet sig valid
    SDK -> SDK: Use cached `lit-wallet-sig`
end

SDK -> Device: Use session private key to sign message
Device -> SDK: Send device-generated signature

alt Using PKP
    SDK -> LitNodes: Lit Nodes perform signing
end

SDK -> SDK: Create sessionSigs (access token)
SDK -> Endpoints: Access features (executeJs, pkpSign)
@enduml

🎉 Discover the future PlantUML Web Editor! 🚀 PNG SVG ASCII Art