package result import ( "encoding/json" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" ) // Invoke represents code invocation result and is used by several RPC calls // that invoke functions, scripts and generic bytecode. type Invoke struct { State string `json:"state"` GasConsumed int64 `json:"gasconsumed,string"` Script string `json:"script"` Stack []stackitem.Item `json:"stack"` } type invokeAux struct { State string `json:"state"` GasConsumed int64 `json:"gasconsumed,string"` Script string `json:"script"` Stack json.RawMessage `json:"stack"` } // MarshalJSON implements json.Marshaler. func (r Invoke) MarshalJSON() ([]byte, error) { var st json.RawMessage arr := make([]json.RawMessage, len(r.Stack)) for i := range arr { data, err := stackitem.ToJSONWithTypes(r.Stack[i]) if err != nil { st = []byte("error: recursive reference") break } arr[i] = data } var err error if st == nil { st, err = json.Marshal(arr) if err != nil { return nil, err } } return json.Marshal(&invokeAux{ GasConsumed: r.GasConsumed, Script: r.Script, State: r.State, Stack: st, }) } // UnmarshalJSON implements json.Unmarshaler. func (r *Invoke) UnmarshalJSON(data []byte) error { aux := new(invokeAux) if err := json.Unmarshal(data, aux); err != nil { return err } var arr []json.RawMessage if err := json.Unmarshal(aux.Stack, &arr); err == nil { st := make([]stackitem.Item, len(arr)) for i := range arr { st[i], err = stackitem.FromJSONWithTypes(arr[i]) if err != nil { break } } if err == nil { r.Stack = st } } r.GasConsumed = aux.GasConsumed r.Script = aux.Script r.State = aux.State return nil }