import
  preserves

type
  TcpLocal* {.preservesRecord: "tcp-local".} = object
    `host`*: string
    `port`*: BiggestInt

  TcpPeerInfo* {.preservesRecord: "tcp-peer".} = object
    `handle`* {.preservesEmbedded.}: EmbeddedRef
    `local`*: TcpLocal
    `remote`*: TcpRemote

  TcpRemote* {.preservesRecord: "tcp-remote".} = object
    `host`*: string
    `port`*: BiggestInt

proc `$`*(x: TcpLocal | TcpPeerInfo | TcpRemote): string =
  `$`(toPreserves(x))

proc encode*(x: TcpLocal | TcpPeerInfo | TcpRemote): seq[byte] =
  encode(toPreserves(x))