From 25af69b8e2de8be52d92eb2d0fe61ec366396e0a Mon Sep 17 00:00:00 2001
From: philip-morlier <philipmorlier@gmail.com>
Date: Thu, 16 Sep 2021 14:03:50 -0700
Subject: [PATCH] Missing rpc call hook and test

---
 rpc/getRPCcall_test.go | 28 ++++++++++++++++++++++++++++
 rpc/plugin_hooks.go    | 26 ++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 rpc/getRPCcall_test.go
 create mode 100644 rpc/plugin_hooks.go

diff --git a/rpc/getRPCcall_test.go b/rpc/getRPCcall_test.go
new file mode 100644
index 000000000..c536a76e4
--- /dev/null
+++ b/rpc/getRPCcall_test.go
@@ -0,0 +1,28 @@
+package rpc
+
+import (
+	"testing"
+
+	"github.com/ethereum/go-ethereum/plugins"
+)
+
+func TestGetRPCCalls(t *testing.T) {
+	invoked := false
+	done := plugins.HookTester("GetRPCCalls", func(id, method, params string) {
+		invoked = true
+		if id == "" {
+			t.Errorf("Expected id to be non-nil")
+		}
+		if method == "" {
+			t.Errorf("Expected method to be non-nil")
+		}
+		if params == "" {
+			t.Errorf("Expected params to be non-nil")
+		}
+	})
+	defer done()
+	TestClientResponseType(t)
+	if !invoked {
+		t.Errorf("Expected plugin invocation")
+	}
+}
diff --git a/rpc/plugin_hooks.go b/rpc/plugin_hooks.go
new file mode 100644
index 000000000..16db041ca
--- /dev/null
+++ b/rpc/plugin_hooks.go
@@ -0,0 +1,26 @@
+package rpc
+
+import (
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/plugins"
+)
+
+func PluginGetRPCCalls(pl *plugins.PluginLoader, id, method, params string) {
+	fnList := pl.Lookup("GetRPCCalls", func(item interface{}) bool {
+		_, ok := item.(func(string, string, string))
+		return ok
+	})
+	for _, fni := range fnList {
+		if fn, ok := fni.(func(string, string, string)); ok {
+			fn(id, method, params)
+		}
+	}
+}
+
+func pluginGetRPCCalls(id, method, params string) {
+	if plugins.DefaultPluginLoader == nil {
+		log.Warn("Attempting GerRPCCalls, but default PluginLoader has not been initialized")
+		return
+	}
+	PluginGetRPCCalls(plugins.DefaultPluginLoader, id, method, params)
+}