package frostfs import ( "fmt" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client" "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/util" ) type Config struct { key []byte value []byte id []byte // txHash is used in notary environmental // for calculating unique but same for // all notification receivers values. txHash util.Uint256 } // TxHash returns hash of the TX with new epoch // notification. func (u Config) TxHash() util.Uint256 { return u.txHash } // MorphEvent implements Neo:Morph Event interface. func (Config) MorphEvent() {} func (u Config) ID() []byte { return u.id } func (u Config) Key() []byte { return u.key } func (u Config) Value() []byte { return u.value } func ParseConfig(e *state.ContainedNotificationEvent) (event.Event, error) { var ( ev Config err error ) params, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("could not parse stack items from notify event: %w", err) } if ln := len(params); ln != 3 { return nil, event.WrongNumberOfParameters(3, ln) } // parse id ev.id, err = client.BytesFromStackItem(params[0]) if err != nil { return nil, fmt.Errorf("could not get config update id: %w", err) } // parse key ev.key, err = client.BytesFromStackItem(params[1]) if err != nil { return nil, fmt.Errorf("could not get config key: %w", err) } // parse value ev.value, err = client.BytesFromStackItem(params[2]) if err != nil { return nil, fmt.Errorf("could not get config value: %w", err) } ev.txHash = e.Container return ev, nil }