common: fixes the type conversion

Signed-off-by: Vincenzo Palazzo <[email protected]>

client/unix.go

@@ -48,8 +48,8 @@ func encodeToBytes[R any](client *UnixRPC, p R) []byte {
 	return buf
 }
 
-func decodeToResponse[R any](client *UnixRPC, s []byte) (*jsonrpcv2.Response[*string, R], error) {
-	r := jsonrpcv2.Response[*string, R]{}
+func decodeToResponse[R any](client *UnixRPC, s []byte) (*jsonrpcv2.Response[R], error) {
+	r := jsonrpcv2.Response[R]{}
 	if len(s) == 0 {
 		return &r, nil
 	}
@@ -63,7 +63,7 @@ func decodeToResponse[R any](client *UnixRPC, s []byte) (*jsonrpcv2.Response[*st
 // Call invoke a JSON RPC 2.0 method call by choosing a random id from 0 to 10000
 func Call[Req any, Resp any](client *UnixRPC, method string, data Req) (Resp, error) {
 	id := fmt.Sprintf("cln4go/%d", rand.Intn(10000))
-	request := jsonrpcv2.Request[*string, Req]{
+	request := jsonrpcv2.Request{
 		Method:  method,
 		Params:  data,
 		Jsonrpc: "2.0",

comm/jsonrpcv2/jsonrpcv2.go

@@ -1,5 +1,7 @@
 package jsonrpcv2
 
+import "fmt"
+
 // Id in the JSON RPC 2.0 Protocol there is the possibility to have
 // an id as int or a string, so this type should make the encoder smarter
 // and able to decode both types
@@ -8,22 +10,36 @@ type Id interface {
 	*string | *int | any
 }
 
-type Request[I Id, P any] struct {
+type Params interface {
+	map[string]any | []any
+}
+
+type Request struct {
 	Method  string `json:"method"`
-	Params  P      `json:"params"`
+	Params  any    `json:"params"`
 	Jsonrpc string `json:"jsonrpc"`
-	Id      I      `json:"id,omitempty"`
+	Id      Id     `json:"id,omitempty"`
 }
 
 // TODO: core lightning should be consistent with the type that return
 // in the params
-func (instance *Request[I, P]) GetParams() P {
-	return instance.Params
+func (instance *Request) GetParams() any {
+	switch params := instance.Params.(type) {
+	case map[string]any:
+		return params
+	case []any:
+		if len(params) == 0 {
+			panic(fmt.Sprintf("%s", params))
+		}
+		return map[string]any{}
+	default:
+		panic("Params has a different type")
+	}
 }
 
-type Response[I Id, R any] struct {
+type Response[R any] struct {
 	Result  R              `json:"result"`
 	Error   map[string]any `json:"error"`
 	Jsonrpc string         `json:"jsonrpc"`
-	Id      I              `json:"id,omitempty"`
+	Id      Id             `json:"id,omitempty"`
 }

plugin/plugin.go

@@ -13,8 +13,8 @@ import (
 
 type Id = jsonrpcv2.Id
 type Map = map[string]any
-type Request = jsonrpcv2.Request[Id, Map]
-type Response = jsonrpcv2.Response[Id, Map]
+type Request = jsonrpcv2.Request
+type Response = jsonrpcv2.Response[Map]
 
 // Plugin is the base plugin structure.
 // Used to create and manage the state of a plugin.
@@ -161,7 +161,7 @@ func (instance *Plugin[T]) Log(level string, message string) {
 		"level":   level,
 		"message": message,
 	}
-	var notifyRequest = jsonrpcv2.Request[*string, map[string]any]{
+	var notifyRequest = jsonrpcv2.Request{
 		Id:      nil,
 		Jsonrpc: "2.0",
 		Method:  "log",