AddrIdx = uint32

AutonatV2Codec {.pure.} = enum
  DialRequest = "/libp2p/autonat/2/dial-request",
  DialBack = "/libp2p/autonat/2/dial-back"

AutonatV2Error = object of LPError

AutonatV2Msg {.proto3.} = object
  oneof* {.oneof.}: AutonatV2MsgOneof

AutonatV2MsgOneof {.proto3, oneof.} = object
  case kind*: MsgKind
  of MsgKind.notSet:
    nil
  of MsgKind.DialRequest:
    dialRequest* {.fieldNumber: 1.}: DialRequest
  of MsgKind.DialResponse:
    dialResponse* {.fieldNumber: 2.}: DialResponse
  of MsgKind.DialDataRequest:
    dialDataRequest* {.fieldNumber: 3.}: DialDataRequest
  of MsgKind.DialDataResponse:
    dialDataResponse* {.fieldNumber: 4.}: DialDataResponse

AutonatV2Response = object
  reachability*: NetworkReachability
  dialResp*: DialResponse
  addrs*: Opt[MultiAddress]

DialBack {.proto3.} = object
  nonce* {.fieldNumber: 1, fixed.}: Nonce

DialBackResponse {.proto3.} = object
  status* {.fieldNumber: 1, ext.}: DialBackStatus

DialBackStatus {.pure.} = enum
  Ok = 0

DialDataRequest {.proto3.} = object
  addrIdx* {.fieldNumber: 1, pint.}: AddrIdx
  numBytes* {.fieldNumber: 2, pint.}: NumBytes

DialDataResponse {.proto3.} = object
  data* {.fieldNumber: 1.}: seq[byte]

DialRequest {.proto3.} = object
  addrs* {.fieldNumber: 1, ext.}: seq[MultiAddress]
  nonce* {.fieldNumber: 2, fixed.}: Nonce

DialResponse {.proto3.} = object
  status* {.fieldNumber: 1, ext.}: ResponseStatus
  addrIdx* {.fieldNumber: 2, pint.}: Opt[AddrIdx]
  dialStatus* {.fieldNumber: 3, ext.}: Opt[DialStatus]

DialStatus {.pure.} = enum
  Unused = 0, EDialError = 100, EDialBackError = 101, Ok = 200

MsgKind {.pure, proto3.} = enum
  notSet = 0, DialRequest = 1, DialResponse = 2, DialDataRequest = 3,
  DialDataResponse = 4

Nonce = uint64

NumBytes = uint64

ResponseStatus {.pure.} = enum
  EInternalError = 0, ERequestRejected = 100, EDialRefused = 101, Ok = 200

AutonatV2MsgLpSize: int = 1024

DefaultAmplificationAttackDialTimeout: Duration = (value: 3000000000)

DefaultDialDataSize: uint64 = 51200

DefaultDialTimeout: Duration = (value: 15000000000)

DialBackLpSize: int = 1024

DialDataResponseLpSize: int = 5000