forked from TrueCloudLab/frostfs-node
92 lines
1.9 KiB
Go
92 lines
1.9 KiB
Go
package neofs
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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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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)
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type Bind struct {
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bindCommon
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}
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type bindCommon struct {
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user []byte
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keys [][]byte
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// txHash is used in notary environmental
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// for calculating unique but same for
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// all notification receivers values.
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txHash util.Uint256
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}
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// TxHash returns hash of the TX with new epoch
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// notification.
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func (b bindCommon) TxHash() util.Uint256 {
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return b.txHash
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (bindCommon) MorphEvent() {}
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func (b bindCommon) Keys() [][]byte { return b.keys }
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func (b bindCommon) User() []byte { return b.user }
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func ParseBind(e *state.ContainedNotificationEvent) (event.Event, error) {
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var (
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ev Bind
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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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err = parseBind(&ev.bindCommon, params)
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if err != nil {
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return nil, err
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}
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ev.txHash = e.Container
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return ev, nil
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}
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func parseBind(dst *bindCommon, params []stackitem.Item) error {
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if ln := len(params); ln != 2 {
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return event.WrongNumberOfParameters(2, ln)
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}
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var err error
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// parse user
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dst.user, err = client.BytesFromStackItem(params[0])
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if err != nil {
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return fmt.Errorf("could not get bind user: %w", err)
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}
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// parse keys
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bindKeys, err := client.ArrayFromStackItem(params[1])
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if err != nil {
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return fmt.Errorf("could not get bind keys: %w", err)
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}
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dst.keys = make([][]byte, 0, len(bindKeys))
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for i := range bindKeys {
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rawKey, err := client.BytesFromStackItem(bindKeys[i])
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if err != nil {
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return fmt.Errorf("could not get bind public key: %w", err)
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}
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dst.keys = append(dst.keys, rawKey)
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}
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return nil
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}
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