Make invoker error non fatal

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

chain/actors/aerrors/wrap.go

@@ -27,6 +27,26 @@ func New(retCode uint8, message string) ActorError {
 	}
 }
 
+// Newf creates a new non-fatal error
+func Newf(retCode uint8, format string, args ...interface{}) ActorError {
+	if retCode == 0 {
+		return &actorError{
+			fatal:   true,
+			retCode: 0,
+
+			msg:   "tried creating an error and setting RetCode to 0",
+			frame: xerrors.Caller(1),
+			err:   fmt.Errorf(format, args...),
+		}
+	}
+	return &actorError{
+		retCode: retCode,
+
+		msg:   fmt.Sprintf(format, args...),
+		frame: xerrors.Caller(1),
+	}
+}
+
 // Wrap extens chain of errors with a message
 func Wrap(err ActorError, message string) ActorError {
 	if err == nil {

chain/invoker.go

@@ -35,10 +35,10 @@ func (inv *invoker) Invoke(act *types.Actor, vmctx *VMContext, method uint64, pa
 
 	code, ok := inv.builtInCode[act.Code]
 	if !ok {
-		return nil, aerrors.Escalate(fmt.Errorf("no code for actor %s", act.Code), "")
+		return nil, aerrors.Newf(255, "no code for actor %s", act.Code)
 	}
 	if method >= uint64(len(code)) || code[method] == nil {
-		return nil, aerrors.Escalate(fmt.Errorf("no method %d on actor", method), "")
+		return nil, aerrors.Newf(255, "no method %d on actor", method)
 	}
 	return code[method](act, vmctx, params)