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rpc: signal JSON marshalling errors through exception

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See neo-project/neo-modules#696. Unmarshaller is left unchanged to be
compatible.
This commit is contained in:
Roman Khimov 2022-05-04 13:13:21 +03:00
parent 7f8b259994
commit 930c439900
1 changed files with 15 additions and 11 deletions
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26
pkg/rpc/response/result/invoke.go
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@ -95,21 +95,26 @@ func (r *Invoke) Finalize() {
// MarshalJSON implements json.Marshaler. // MarshalJSON implements json.Marshaler.
func (r Invoke) MarshalJSON() ([]byte, error) { func (r Invoke) MarshalJSON() ([]byte, error) {
defer r.Finalize() defer r.Finalize()
var st json.RawMessage var (
arr := make([]json.RawMessage, len(r.Stack)) st json.RawMessage
err error
faultSep string
arr = make([]json.RawMessage, len(r.Stack))
)
if len(r.FaultException) != 0 {
faultSep = " / "
}
arrloop:
for i := range arr { for i := range arr {
var ( var data []byte
data []byte
err error
)
if (r.Stack[i].Type() == stackitem.InteropT) && iterator.IsIterator(r.Stack[i]) { if (r.Stack[i].Type() == stackitem.InteropT) && iterator.IsIterator(r.Stack[i]) {
iteratorValues, truncated := iterator.Values(r.Stack[i], r.maxIteratorResultItems) iteratorValues, truncated := iterator.Values(r.Stack[i], r.maxIteratorResultItems)
value := make([]json.RawMessage, len(iteratorValues)) value := make([]json.RawMessage, len(iteratorValues))
for j := range iteratorValues { for j := range iteratorValues {
value[j], err = stackitem.ToJSONWithTypes(iteratorValues[j]) value[j], err = stackitem.ToJSONWithTypes(iteratorValues[j])
if err != nil { if err != nil {
st = []byte(fmt.Sprintf(`"error: %v"`, err)) r.FaultException += fmt.Sprintf("%sjson error: %v", faultSep, err)
break break arrloop
} }
} }
data, err = json.Marshal(iteratorAux{ data, err = json.Marshal(iteratorAux{
@ -123,15 +128,14 @@ func (r Invoke) MarshalJSON() ([]byte, error) {
} else { } else {
data, err = stackitem.ToJSONWithTypes(r.Stack[i]) data, err = stackitem.ToJSONWithTypes(r.Stack[i])
if err != nil { if err != nil {
st = []byte(fmt.Sprintf(`"error: %v"`, err)) r.FaultException += fmt.Sprintf("%sjson error: %v", faultSep, err)
break break
} }
} }
arr[i] = data arr[i] = data
} }
var err error if err == nil {
if st == nil {
st, err = json.Marshal(arr) st, err = json.Marshal(arr)
if err != nil { if err != nil {
return nil, err return nil, err