75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
package frostfs
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import (
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event"
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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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)
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type Config struct {
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KeyValue []byte
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ValueValue []byte
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IDValue []byte
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// TxHashValue 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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TxHashValue 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 (u Config) TxHash() util.Uint256 {
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return u.TxHashValue
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Config) MorphEvent() {}
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func (u Config) ID() []byte { return u.IDValue }
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func (u Config) Key() []byte { return u.KeyValue }
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func (u Config) Value() []byte { return u.ValueValue }
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func ParseConfig(e *state.ContainedNotificationEvent) (event.Event, error) {
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var (
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ev Config
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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 != 3 {
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return nil, event.WrongNumberOfParameters(3, ln)
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}
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// parse id
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ev.IDValue, err = client.BytesFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get config update id: %w", err)
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}
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// parse key
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ev.KeyValue, err = client.BytesFromStackItem(params[1])
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if err != nil {
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return nil, fmt.Errorf("could not get config key: %w", err)
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}
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// parse value
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ev.ValueValue, err = client.BytesFromStackItem(params[2])
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if err != nil {
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return nil, fmt.Errorf("could not get config value: %w", err)
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}
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ev.TxHashValue = e.Container
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return ev, nil
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}
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