whisper: project restructured, version 5 introduced (#3022)

whisper: project restructured, version 5 introduced

This commits adds a draft version of the new shh v5 protocol.
The new version is not on by default, --shh still selects version 2.

1 files changed, 136 insertions, 0 deletions

diff --git a/whisper/whisperv5/topic_test.go b/whisper/whisperv5/topic_test.go
new file mode 100644
index 000000000..c2a940b79
--- /dev/null
+++ b/whisper/whisperv5/topic_test.go
@@ -0,0 +1,136 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package whisperv5
+
+import "testing"
+
+var topicStringTests = []struct {
+	topic TopicType
+	str   string
+}{
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, str: "0x00000000"},
+	{topic: TopicType{0x00, 0x7f, 0x80, 0xff}, str: "0x007f80ff"},
+	{topic: TopicType{0xff, 0x80, 0x7f, 0x00}, str: "0xff807f00"},
+	{topic: TopicType{0xf2, 0x6e, 0x77, 0x79}, str: "0xf26e7779"},
+}
+
+func TestTopicString(x *testing.T) {
+	for i, tst := range topicStringTests {
+		s := tst.topic.String()
+		if s != tst.str {
+			x.Errorf("failed test %d: have %s, want %s.", i, s, tst.str)
+		}
+	}
+}
+
+var bytesToTopicTests = []struct {
+	data  []byte
+	topic TopicType
+}{
+	{topic: TopicType{0x8f, 0x9a, 0x2b, 0x7d}, data: []byte{0x8f, 0x9a, 0x2b, 0x7d}},
+	{topic: TopicType{0x00, 0x7f, 0x80, 0xff}, data: []byte{0x00, 0x7f, 0x80, 0xff}},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{0x00, 0x00, 0x00, 0x00}},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{0x00, 0x00, 0x00}},
+	{topic: TopicType{0x01, 0x00, 0x00, 0x00}, data: []byte{0x01}},
+	{topic: TopicType{0x00, 0xfe, 0x00, 0x00}, data: []byte{0x00, 0xfe}},
+	{topic: TopicType{0xea, 0x1d, 0x43, 0x00}, data: []byte{0xea, 0x1d, 0x43}},
+	{topic: TopicType{0x6f, 0x3c, 0xb0, 0xdd}, data: []byte{0x6f, 0x3c, 0xb0, 0xdd, 0x0f, 0x00, 0x90}},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte{}},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: nil},
+}
+
+func TestBytesToTopic(x *testing.T) {
+	for i, tst := range bytesToTopicTests {
+		t := BytesToTopic(tst.data)
+		if t != tst.topic {
+			x.Errorf("failed test %d: have %v, want %v.", i, t, tst.topic)
+		}
+	}
+}
+
+var unmarshalTestsGood = []struct {
+	topic TopicType
+	data  []byte
+}{
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0x00000000")},
+	{topic: TopicType{0x00, 0x7f, 0x80, 0xff}, data: []byte("0x007f80ff")},
+	{topic: TopicType{0xff, 0x80, 0x7f, 0x00}, data: []byte("0xff807f00")},
+	{topic: TopicType{0xf2, 0x6e, 0x77, 0x79}, data: []byte("0xf26e7779")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("00000000")},
+	{topic: TopicType{0x00, 0x80, 0x01, 0x00}, data: []byte("00800100")},
+	{topic: TopicType{0x00, 0x7f, 0x80, 0xff}, data: []byte("007f80ff")},
+	{topic: TopicType{0xff, 0x80, 0x7f, 0x00}, data: []byte("ff807f00")},
+	{topic: TopicType{0xf2, 0x6e, 0x77, 0x79}, data: []byte("f26e7779")},
+}
+
+var unmarshalTestsBad = []struct {
+	topic TopicType
+	data  []byte
+}{
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0x000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0x0000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0x000000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0x0000000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("000000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("0000000000")},
+	{topic: TopicType{0x00, 0x00, 0x00, 0x00}, data: []byte("abcdefg0")},
+}
+
+var unmarshalTestsUgly = []struct {
+	topic TopicType
+	data  []byte
+}{
+	{topic: TopicType{0x01, 0x00, 0x00, 0x00}, data: []byte("00000001")},
+}
+
+func TestUnmarshalTestsGood(x *testing.T) {
+	for i, tst := range unmarshalTestsGood {
+		var t TopicType
+		err := t.UnmarshalJSON(tst.data)
+		if err != nil {
+			x.Errorf("failed test %d. input: %v.", i, tst.data)
+		} else if t != tst.topic {
+			x.Errorf("failed test %d: have %v, want %v.", i, t, tst.topic)
+		}
+	}
+}
+
+func TestUnmarshalTestsBad(x *testing.T) {
+	// in this test UnmarshalJSON() is supposed to fail
+	for i, tst := range unmarshalTestsBad {
+		var t TopicType
+		err := t.UnmarshalJSON(tst.data)
+		if err == nil {
+			x.Errorf("failed test %d. input: %v.", i, tst.data)
+		}
+	}
+}
+
+func TestUnmarshalTestsUgly(x *testing.T) {
+	// in this test UnmarshalJSON() is NOT supposed to fail, but result should be wrong
+	for i, tst := range unmarshalTestsUgly {
+		var t TopicType
+		err := t.UnmarshalJSON(tst.data)
+		if err != nil {
+			x.Errorf("failed test %d. input: %v.", i, tst.data)
+		} else if t == tst.topic {
+			x.Errorf("failed test %d: have %v, want %v.", i, t, tst.topic)
+		}
+	}
+}