forked from TrueCloudLab/frostfs-node
c167ae26f9
Parsers should have original notification structure to be able to construct internal event structure that contains necessary for unique nonce calculation information. So notification parsers take raw notification structure instead of slice of stack items. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
package netmap
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import (
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"crypto/elliptic"
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/rpc/response/result/subscriptions"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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v2netmap "github.com/nspcc-dev/neofs-api-go/v2/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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"github.com/nspcc-dev/neofs-sdk-go/netmap"
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)
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type UpdatePeer struct {
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publicKey *keys.PublicKey
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status netmap.NodeState
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// For notary notifications only.
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// Contains raw transactions of notary request.
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notaryRequest *payload.P2PNotaryRequest
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (UpdatePeer) MorphEvent() {}
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func (s UpdatePeer) Status() netmap.NodeState {
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return s.status
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}
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func (s UpdatePeer) PublicKey() *keys.PublicKey {
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return s.publicKey
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}
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// NotaryRequest returns raw notary request if notification
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// was received via notary service. Otherwise, returns nil.
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func (s UpdatePeer) NotaryRequest() *payload.P2PNotaryRequest {
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return s.notaryRequest
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}
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const expectedItemNumUpdatePeer = 2
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func ParseUpdatePeer(e *subscriptions.NotificationEvent) (event.Event, error) {
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var (
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ev UpdatePeer
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err error
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)
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params, err := event.ParseStackArray(e)
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if err != nil {
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return nil, fmt.Errorf("could not parse stack items from notify event: %w", err)
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}
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if ln := len(params); ln != expectedItemNumUpdatePeer {
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return nil, event.WrongNumberOfParameters(expectedItemNumUpdatePeer, ln)
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}
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// parse public key
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key, err := client.BytesFromStackItem(params[1])
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if err != nil {
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return nil, fmt.Errorf("could not get public key: %w", err)
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}
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ev.publicKey, err = keys.NewPublicKeyFromBytes(key, elliptic.P256())
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if err != nil {
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return nil, fmt.Errorf("could not parse public key: %w", err)
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}
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// parse node status
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st, err := client.IntFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get node status: %w", err)
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}
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ev.status = netmap.NodeStateFromV2(v2netmap.NodeState(st))
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return ev, nil
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}
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