package rolemanagement import ( "fmt" "github.com/nspcc-dev/neo-go/pkg/core/native/noderoles" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neofs-node/pkg/morph/event" ) // Designate represents designation event of the mainnet RoleManagement contract. type Designate struct { Role noderoles.Role // TxHash is used in notary environmental // for calculating unique but same for // all notification receivers values. TxHash util.Uint256 } // MorphEvent implements Neo:Morph Event interface. func (Designate) MorphEvent() {} // ParseDesignate from notification into container event structure. func ParseDesignate(e *state.ContainedNotificationEvent) (event.Event, error) { params, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("could not parse stack items from notify event: %w", err) } if len(params) != 2 { return nil, event.WrongNumberOfParameters(2, len(params)) } bi, err := params[0].TryInteger() if err != nil { return nil, fmt.Errorf("invalid stackitem type: %w", err) } return Designate{ Role: noderoles.Role(bi.Int64()), TxHash: e.Container, }, nil }