[#505] morph/events: Define eACL table change notification

Define `SetEACL` structure of eACL table change notification from Container
contract. Implement function which parses `SetEACL` event structure from
stack item list.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-05-19 15:08:56 +03:00 committed by Alex Vanin
parent 395fd187ac
commit 8c632f6966
2 changed files with 142 additions and 0 deletions

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package container
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
)
// SetEACL represents structure of notification about
// modified eACL table coming from NeoFS Container contract.
type SetEACL struct {
table []byte
signature []byte
publicKey []byte
}
// MorphEvent implements Neo:Morph Event interface.
func (SetEACL) MorphEvent() {}
// Table returns returns eACL table in a binary NeoFS API format.
func (x SetEACL) Table() []byte {
return x.table
}
// Signature returns signature of the binary table.
func (x SetEACL) Signature() []byte {
return x.signature
}
// PublicKey returns public keys of container
// owner in a binary format.
func (x SetEACL) PublicKey() []byte {
return x.publicKey
}
// ParseSetEACL parses SetEACL notification event from list of stack items.
func ParseSetEACL(items []stackitem.Item) (event.Event, error) {
var (
ev SetEACL
err error
)
if ln := len(items); ln != 3 {
return nil, event.WrongNumberOfParameters(3, ln)
}
// parse table
ev.table, err = client.BytesFromStackItem(items[0])
if err != nil {
return nil, fmt.Errorf("could not parse binary table: %w", err)
}
// parse signature
ev.signature, err = client.BytesFromStackItem(items[1])
if err != nil {
return nil, fmt.Errorf("could not parse table signature: %w", err)
}
// parse public key
ev.publicKey, err = client.BytesFromStackItem(items[2])
if err != nil {
return nil, fmt.Errorf("could not parse binary public key: %w", err)
}
return ev, nil
}

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package container_test
import (
"testing"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
"github.com/stretchr/testify/require"
)
func TestParseEACL(t *testing.T) {
var (
binaryTable = []byte("table")
signature = []byte("signature")
publicKey = []byte("pubkey")
)
t.Run("wrong number of parameters", func(t *testing.T) {
items := []stackitem.Item{
stackitem.NewMap(),
stackitem.NewMap(),
}
_, err := container.ParseSetEACL(items)
require.EqualError(t, err, event.WrongNumberOfParameters(3, len(items)).Error())
})
t.Run("wrong container parameter", func(t *testing.T) {
_, err := container.ParseSetEACL([]stackitem.Item{
stackitem.NewMap(),
stackitem.NewMap(),
stackitem.NewMap(),
})
require.Error(t, err)
})
t.Run("wrong signature parameter", func(t *testing.T) {
_, err := container.ParseSetEACL([]stackitem.Item{
stackitem.NewByteArray(binaryTable),
stackitem.NewMap(),
})
require.Error(t, err)
})
t.Run("wrong key parameter", func(t *testing.T) {
_, err := container.ParseSetEACL([]stackitem.Item{
stackitem.NewByteArray(binaryTable),
stackitem.NewByteArray(signature),
stackitem.NewMap(),
})
require.Error(t, err)
})
t.Run("correct behavior", func(t *testing.T) {
ev, err := container.ParseSetEACL([]stackitem.Item{
stackitem.NewByteArray(binaryTable),
stackitem.NewByteArray(signature),
stackitem.NewByteArray(publicKey),
})
require.NoError(t, err)
e := ev.(container.SetEACL)
require.Equal(t, binaryTable, e.Table())
require.Equal(t, signature, e.Signature())
require.Equal(t, publicKey, e.PublicKey())
})
}