syndicate-nim/src/syndicate/protocols/gatekeeper.nim

import
  std/typetraits, preserves, sturdy

type
  Bind*[Cap] {.preservesRecord: "bind".} = object
    `oid`*: Preserve[Cap]
    `key`*: seq[byte]
    `target`*: Cap

  Resolve*[Cap] {.preservesRecord: "resolve".} = ref object
    `sturdyref`*: sturdy.SturdyRef[Cap]
    `observer`*: Cap

proc `$`*[Cap](x: Bind[Cap] | Resolve[Cap]): string =
  `$`(toPreserve(x, Cap))

proc encode*[Cap](x: Bind[Cap] | Resolve[Cap]): seq[byte] =
  encode(toPreserve(x, Cap))