convert float64 to int

lib/golang/lib.go

@@ -39,7 +39,7 @@ type Message struct {
 	Type   MsgType `json:"type"`
 	Id     int64   `json:"id"`
 	Method string  `json:"method"`
-	Params Vals    `json:"params"`
+	Args   Vals    `json:"args"`
 	Result Vals    `json:"result"`
 	Error  string  `json:"error"`
 }
@@ -118,14 +118,25 @@ func (ipc *ipcCommon) handleCall(msg Message) {
 	}
 
 	argsCount := method.Type().NumIn()
-	if len(msg.Params) != argsCount {
-		ipc.sendResponse(msg.Id, nil, fmt.Errorf("args count mismatch: expected %d, got %d", argsCount, len(msg.Params)))
+	if len(msg.Args) != argsCount {
+		ipc.sendResponse(msg.Id, nil, fmt.Errorf("args count mismatch: expected %d, got %d", argsCount, len(msg.Args)))
 		return
 	}
 
 	var args []reflect.Value
-	for _, param := range msg.Params {
-		args = append(args, reflect.ValueOf(param))
+	for i, arg := range msg.Args {
+		paramType := method.Type().In(i)
+		argType := reflect.TypeOf(arg)
+
+		// JSON decodes any number to float64. If we need int, we should check and convert
+		if paramType.Kind() == reflect.Int && argType.Kind() == reflect.Float64 {
+			floatArg := arg.(float64)
+			if float64(int64(floatArg)) == floatArg && !paramType.OverflowInt(int64(floatArg)) {
+				arg = arg.(int)
+			}
+		}
+
+		args = append(args, reflect.ValueOf(paramType))
 	}
 
 	results := method.Call(args)
@@ -221,7 +232,7 @@ func (ipc *ipcCommon) Call(method string, params ...any) (Vals, error) {
 		Type:   MsgCall,
 		Id:     id,
 		Method: method,
-		Params: params,
+		Args:   params,
 	}
 
 	if err := ipc.sendMsg(msg); err != nil {

lib/ts/src/lib.ts

@@ -20,7 +20,7 @@ interface CallMessage {
     type: MsgType.Call,
     id: number,
     method: string;
-    params: Vals;
+    args: Vals;
 }
 
 interface ResponseMessage {
@@ -129,18 +129,18 @@ abstract class IPCCommon {
         }
 
         const argsCount = method.length;
-        if (msg.params.length !== argsCount) {
+        if (msg.args.length !== argsCount) {
             this.sendMsg({
                 type: MsgType.Response,
                 id: msg.id,
-                error: `argument count mismatch: expected ${ argsCount }, got ${ msg.params.length }`
+                error: `argument count mismatch: expected ${ argsCount }, got ${ msg.args.length }`
             });
             return;
         }
 
         try {
             this.processingCalls++;
-            let result = method.apply(endpoint, msg.params);
+            let result = method.apply(endpoint, msg.args);
             if (result instanceof Promise) {
                 result = await result;
             }
@@ -192,7 +192,7 @@ abstract class IPCCommon {
                 }
             };
             try {
-                this.sendMsg({type: MsgType.Call, id, method, params});
+                this.sendMsg({type: MsgType.Call, id, method, args: params});
             } catch (e) {
                 delete this.pendingCalls[id];
                 reject(new Error(`send call: ${ e }`));