From 2d7074c09b9c1e7ba19505e500960d69db5328b3 Mon Sep 17 00:00:00 2001
From: Rader <rader.net@gmail.com>
Date: Thu, 24 May 2018 14:40:02 +0800
Subject: [PATCH] report error if event not not found by name when processing
 log

---
 accounts/abi/bind/base_test.go | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 accounts/abi/bind/base_test.go

diff --git a/accounts/abi/bind/base_test.go b/accounts/abi/bind/base_test.go
new file mode 100644
index 0000000000..0d13702ffc
--- /dev/null
+++ b/accounts/abi/bind/base_test.go
@@ -0,0 +1,29 @@
+package bind
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+func TestUnkownEventName(t *testing.T) {
+	errorPrefix := "abi: event"
+	c := &BoundContract{}
+	c.abi.Events = make(map[string]abi.Event)
+	c.abi.Events["event1"] = abi.Event{}
+	if _, _, err := c.FilterLogs(nil, "event_not_exist"); err == nil || !strings.HasPrefix(err.Error(), errorPrefix) {
+		t.Fatal("should report error if event not found")
+	}
+
+	if _, _, err := c.WatchLogs(nil, "event_not_exist"); err == nil || !strings.HasPrefix(err.Error(), errorPrefix) {
+		t.Fatal("should report error if event not found")
+	}
+
+	var v interface{}
+	elog := types.Log{}
+	if err := c.UnpackLog(v, "event_not_exist", elog); err == nil || !strings.HasPrefix(err.Error(), errorPrefix) {
+		t.Fatal("should report error if event not found")
+	}
+}