# AATH - Aries Agent Test Harness

sequenceDiagram
    participant AgentA as Issuer
    participant AATH as AATH (Controller/Agent)
    participant AgentB as Holder
    participant AgentC as Verifier
    critical Connect to Agent as backchannel
        AATH->>AgentA: Connect to backchannel
        AgentA-->>AATH: Accept/Connected
    end
    critical Connect to Agent as backchannel
        AATH->>AgentB: Connect to backchannel
        AgentB-->>AATH: Accept/Connected
    end
    critical Connect to Agent as backchannel
        AATH->>AgentC: Connect to backchannel
        AgentC-->>AATH: Accept/Connected
    end
    critical Connect 2 agents
        AATH->>AgentA: *Create Invitation to Connect (session_id)
        AgentA-->>AATH: Invitaion URI
        AATH->>AgentB: *Connect using Invitaion URI(session_id, invitation_uri)
        AgentB->>AgentA: Connect
        AgentB-->>AATH: *Message_Received(connection_id, type, payload)
        AgentA-->>AATH: *Message_Received(connection_id, type, payload)
        AgentA-->>AgentB: Accept/Connected
        AgentB-->>AATH: Accept/Connected (session_id, connection_id)
        AgentA->>AATH: Accept/Connected (session_id, connection_id)
    end
    AATH->>AgentA: *Issue Credential (session_id, connection_id, cred)
    activate AgentA
    AgentA->>AgentB: Credential Offer
    AgentB-->>AATH: *Message_Received(connection_id, type, payload)
    AATH->>AgentB: *Accept Credential Offer(connection_id, type, payload)
    AgentB->>AgentA: Accept Credential Offer
    AgentA->>AgentB: Issue Credential
    AgentA-->>AATH: Credential Issued/Declined
    deactivate AgentA

## Connection Flow

## Issuance Flow

sequenceDiagram
    participant AgentA as Issuer
    participant AATH as AATH (Controller/Agent)
    participant AgentB as Holder
    AATH->>AgentA: ACT(type = Issue_Credential, payload = {session_id, connection_id, credential_data})
    activate AgentA
    AgentA->>AgentB: Credential Offer
    AgentB->>AATH: REPORT(type=Message_Received, {connection_id, type, payload})
    AATH->>AgentB: ACT(type=Accept_Credential, payload={connection_id, payload})
    AgentB->>AgentA: Accept Credential Offer
    AgentA->>AgentB: Issue Credential
    AgentA->>AATH: REPORT(type=Message_Sent, {connection_id, type, payload})
    AgentB->>AATH: REPORT(type=Message_Received, {connection_id, type, payload})
    deactivate AgentA

## Presentation Flow

## API
- REPORT
- type
- payload
- ACT
- type/command/procedure
- session_id
- payload