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[#94] subnet: Add methods to check subnet owner and ID

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Implement `IsOwner` and `IDEquals` functions which check the
correspondence of the fields in `Info`. Remove no longer needed
`HasOwner` method of `Info`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-11-26 14:03:27 +03:00
parent 8175462050
commit 29f589b54e
2 changed files with 41 additions and 32 deletions
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35
subnet/subnet.go
View file

@ -76,17 +76,36 @@ func (x *Info) SetOwner(id owner.ID) {
*idv2 = *id.ToV2()
}
// HasOwner checks if subnet owner is set.
func (x Info) HasOwner() bool {
return (*subnet.Info)(&x).Owner() != nil
}
// ReadOwner reads the identifier of the subnet that Info describes.
// Must be called only if owner is set (see HasOwner). Arg must not be nil.
func (x Info) ReadOwner(id *owner.ID) {
infov2 := (subnet.Info)(x)
// FIXME: we need to implement and use owner.ID.FromV2 method
id2 := owner.NewIDFromV2(infov2.Owner())
*id = *id2
id2 := infov2.Owner()
if id2 == nil {
// TODO: implement owner.ID.Reset
*id = owner.ID{}
return
}
// TODO: we need to implement and use owner.ID.FromV2 method
*id = *owner.NewIDFromV2(infov2.Owner())
}
// IsOwner checks subnet ownership.
func IsOwner(info Info, id owner.ID) bool {
id2 := new(owner.ID)
info.ReadOwner(id2)
return id.Equal(id2)
}
// IDEquals checks if ID refers to subnet that Info describes.
func IDEquals(info Info, id subnetid.ID) bool {
id2 := new(subnetid.ID)
info.ReadID(id2)
return id.Equals(id2)
}

38
subnet/subnet_test.go
View file

@ -7,61 +7,51 @@ import (
subnettest "github.com/nspcc-dev/neofs-api-go/v2/subnet/test"
"github.com/nspcc-dev/neofs-sdk-go/owner"
ownertest "github.com/nspcc-dev/neofs-sdk-go/owner/test"
"github.com/nspcc-dev/neofs-sdk-go/subnet"
. "github.com/nspcc-dev/neofs-sdk-go/subnet"
subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id"
"github.com/stretchr/testify/require"
)
func TestInfoZero(t *testing.T) {
var info subnet.Info
var info Info
var id subnetid.ID
info.ReadID(&id)
require.True(t, subnetid.IsZero(id))
require.False(t, info.HasOwner())
}
func TestInfo_SetID(t *testing.T) {
var (
idFrom, idTo subnetid.ID
info subnet.Info
id subnetid.ID
info Info
)
idFrom.SetNumber(222)
id.SetNumber(222)
info.SetID(idFrom)
info.SetID(id)
info.ReadID(&idTo)
require.True(t, idTo.Equals(&idFrom))
require.True(t, IDEquals(info, id))
}
func TestInfo_SetOwner(t *testing.T) {
var (
idFrom, idTo owner.ID
info subnet.Info
id owner.ID
info Info
)
idFrom = *ownertest.GenerateID()
id = *ownertest.GenerateID()
require.False(t, info.HasOwner())
require.False(t, IsOwner(info, id))
info.SetOwner(idFrom)
info.SetOwner(id)
require.True(t, info.HasOwner())
info.ReadOwner(&idTo)
require.True(t, idTo.Equal(&idFrom))
require.True(t, IsOwner(info, id))
}
func TestInfo_WriteToV2(t *testing.T) {
var (
infoTo, infoFrom subnet.Info
infoTo, infoFrom Info
infoV2From, infoV2To subnetv2.Info
)