[#18] Add AddPeer and UpdatePeer morph events

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

pkg/morph/event/netmap/update_peer_test.go

@@ -0,0 +1,75 @@
+package netmap
+
+import (
+	"crypto/elliptic"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
+	crypto "github.com/nspcc-dev/neofs-crypto"
+	"github.com/nspcc-dev/neofs-crypto/test"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseUpdatePeer(t *testing.T) {
+	var (
+		publicKey       = &test.DecodeKey(-1).PublicKey
+		state     int64 = 1
+	)
+
+	t.Run("wrong number of parameters", func(t *testing.T) {
+		prms := []smartcontract.Parameter{
+			{},
+		}
+
+		_, err := ParseUpdatePeer(prms)
+		require.EqualError(t, err, event.WrongNumberOfParameters(2, len(prms)).Error())
+	})
+
+	t.Run("wrong first parameter type", func(t *testing.T) {
+		_, err := ParseUpdatePeer([]smartcontract.Parameter{
+			{
+				Type: smartcontract.ByteArrayType,
+			},
+		})
+
+		require.Error(t, err)
+	})
+
+	t.Run("wrong second parameter type", func(t *testing.T) {
+		_, err := ParseUpdatePeer([]smartcontract.Parameter{
+			{
+				Type:  smartcontract.ByteArrayType,
+				Value: crypto.MarshalPublicKey(publicKey),
+			},
+			{
+				Type: smartcontract.ArrayType,
+			},
+		})
+
+		require.Error(t, err)
+	})
+
+	t.Run("correct behavior", func(t *testing.T) {
+		ev, err := ParseUpdatePeer([]smartcontract.Parameter{
+			{
+				Type:  smartcontract.ByteArrayType,
+				Value: crypto.MarshalPublicKey(publicKey),
+			},
+			{
+				Type:  smartcontract.IntegerType,
+				Value: state,
+			},
+		})
+		require.NoError(t, err)
+
+		expectedKey, err := keys.NewPublicKeyFromBytes(crypto.MarshalPublicKey(publicKey), elliptic.P256())
+		require.NoError(t, err)
+
+		require.Equal(t, UpdatePeer{
+			publicKey: expectedKey,
+			status:    uint32(state),
+		}, ev)
+	})
+}