[#21] Add neofs bind event

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2020-09-08 11:37:58 +03:00
parent df3564eaf2
commit 66eafcd558
2 changed files with 166 additions and 0 deletions

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package neofs
import (
"crypto/elliptic"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/pkg/errors"
)
type Bind struct {
user util.Uint160
keys []*keys.PublicKey
}
// MorphEvent implements Neo:Morph Event interface.
func (Bind) MorphEvent() {}
func (b Bind) Keys() []*keys.PublicKey { return b.keys }
func (b Bind) User() util.Uint160 { return b.user }
func ParseBind(params []smartcontract.Parameter) (event.Event, error) {
var (
ev Bind
err error
)
if ln := len(params); ln != 2 {
return nil, event.WrongNumberOfParameters(2, ln)
}
// parse user
user, err := client.BytesFromStackParameter(params[0])
if err != nil {
return nil, errors.Wrap(err, "could not get bind user")
}
ev.user, err = util.Uint160DecodeBytesBE(user)
if err != nil {
return nil, errors.Wrap(err, "could not convert bind user to uint160")
}
// parse keys
bindKeys, err := client.ArrayFromStackParameter(params[1])
if err != nil {
return nil, errors.Wrap(err, "could not get bind keys")
}
ev.keys = make([]*keys.PublicKey, 0, len(bindKeys))
for i := range bindKeys {
rawKey, err := client.BytesFromStackParameter(bindKeys[i])
if err != nil {
return nil, errors.Wrap(err, "could not get bind public key")
}
key, err := keys.NewPublicKeyFromBytes(rawKey, elliptic.P256())
if err != nil {
return nil, errors.Wrap(err, "could not parse bind public key")
}
ev.keys = append(ev.keys, key)
}
return ev, nil
}

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package neofs
import (
"crypto/ecdsa"
"crypto/elliptic"
"testing"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/nspcc-dev/neofs-node/pkg/util/test"
"github.com/stretchr/testify/require"
)
func TestParseBind(t *testing.T) {
var (
user = util.Uint160{0x1, 0x2, 0x3}
publicKeys = []*ecdsa.PublicKey{
&test.DecodeKey(1).PublicKey,
&test.DecodeKey(2).PublicKey,
&test.DecodeKey(3).PublicKey,
}
)
t.Run("wrong number of parameters", func(t *testing.T) {
prms := []smartcontract.Parameter{
{},
}
_, err := ParseBind(prms)
require.EqualError(t, err, event.WrongNumberOfParameters(2, len(prms)).Error())
})
t.Run("wrong first parameter", func(t *testing.T) {
_, err := ParseBind([]smartcontract.Parameter{
{
Type: smartcontract.ArrayType,
},
})
require.Error(t, err)
})
t.Run("wrong second parameter", func(t *testing.T) {
_, err := ParseBind([]smartcontract.Parameter{
{
Type: smartcontract.ByteArrayType,
Value: user.BytesBE(),
},
{
Type: smartcontract.ArrayType,
},
})
require.Error(t, err)
})
t.Run("correct", func(t *testing.T) {
ev, err := ParseBind([]smartcontract.Parameter{
{
Type: smartcontract.ByteArrayType,
Value: user.BytesBE(),
},
{
Type: smartcontract.ArrayType,
Value: []smartcontract.Parameter{
{
Type: smartcontract.ByteArrayType,
Value: crypto.MarshalPublicKey(publicKeys[0]),
},
{
Type: smartcontract.ByteArrayType,
Value: crypto.MarshalPublicKey(publicKeys[1]),
},
{
Type: smartcontract.ByteArrayType,
Value: crypto.MarshalPublicKey(publicKeys[2]),
},
},
},
})
require.NoError(t, err)
expKeys := make([]*keys.PublicKey, len(publicKeys))
for i := range publicKeys {
expKeys[i], err = keys.NewPublicKeyFromBytes(crypto.MarshalPublicKey(publicKeys[i]), elliptic.P256())
require.NoError(t, err)
}
require.Equal(t, Bind{
user: user,
keys: expKeys,
}, ev)
})
}