@0xa23cfc5ead0ac055;

using CSharp = import "programming_language/csharp.capnp";
$CSharp.namespace("FabAccessAPI.Schema");

using import "resource.capnp".Resource;
using import "resource.capnp".Description;
using import "claim.capnp".Claim;
using import "utils.capnp".When;
using import "utils.capnp".Fallible;

interface Interestable {
    queue @0 () -> Fallible(Interest, ReserveError);
    reserve @1 ( when :When ) -> Fallible(Interest, ReserveError);
    struct ReserveError {
        union {
            permissionDenied @0 :Void;
            reserveOverlapping @1 :Void;
            queueFull @2 :Void;
        }
    }
    getInterests @2 () -> ( interests :List(Interest) );
    # WARNING: Impersonates users
}

interface Interest {
    resource @0 () -> ( resource :Resource );
    describe @1 () -> Description;
    drop @2 ();
    upgrade @3 () -> ( claim :Claim );
}