withdraw

---
config:
  theme: dark
---
sequenceDiagram
    title Withdrawal Flow
    participant MySQL
    participant Sequencer as Sequencer
    actor A1 as User/SDK
    participant P1 as Relayer (Off-chain)
    participant CH as ClearingHouse

    A1 ->> Sequencer: User submits withdrawal request
    Sequencer ->> Sequencer: Add to Sequencer Queue
    Sequencer ->> MySQL: Query position data
    MySQL ->> Sequencer: Return position data
    Sequencer ->> Sequencer: Risk check performed

    alt Risk check fails
        Sequencer ->> A1: Rejected: Withdraw violates IM
    else Risk check passes
        Sequencer ->> MySQL: Update user's withdraw in SQL
        Sequencer ->> CH: Process User Withdraw (via Relayer)
        Note over CH: Transfer amount = Withdrawal amount - Estimated gas cost
        Note over CH: Estimated gas cost is transferred to exchange account
        CH ->> CH: Transfer Asset, Update Ledger, emit Withdraw Event

        opt Transaction Fails
            P1 ->> Sequencer: Notify transaction failure
            Sequencer ->> MySQL: Revert withdraw in SQL
        end
    end