project: init

pkg/rpc/client.go

@@ -0,0 +1,30 @@
+package rpc
+
+import (
+	"fmt"
+
+	"github.com/ybbus/jsonrpc/v2"
+)
+
+type RpcClient struct {
+	ethClient jsonrpc.RPCClient
+}
+
+func NewRpcClient(endpoint string) RpcClient {
+	return RpcClient{
+		ethClient: jsonrpc.NewClient(endpoint),
+	}
+}
+
+func (r *RpcClient) EthRpcCall(method string) (*jsonrpc.RPCResponse, error) {
+	response, err := r.ethClient.Call(method)
+	if err != nil {
+		return response, err
+	}
+
+	if response.Error != nil {
+		return response, fmt.Errorf("rpc client error: (code %d) %s", response.Error.Code, response.Error.Message)
+	}
+
+	return response, nil
+}