From 65c41183088f111aa289d1ea4c51bef7fa971226 Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus.dahlberg@kau.se>
Date: Tue, 23 Feb 2021 12:34:21 +0100
Subject: added proof request types

---
 types/serialize.go      | 16 ++++++++++++++++
 types/serialize_test.go | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/types/serialize.go b/types/serialize.go
index da4bd9f..af0a1ed 100644
--- a/types/serialize.go
+++ b/types/serialize.go
@@ -6,6 +6,22 @@ import (
 	"github.com/google/certificate-transparency-go/tls"
 )
 
+const (
+	HashSizeV1 = 32
+)
+
+// GetProofByHashV1 is a serializable get-proof-by-hash request
+type GetProofByHashV1 struct {
+	Hash     [HashSizeV1]byte
+	TreeSize uint64
+}
+
+// GetConsistencyProofV1 is a serializable get-consistency-proof request
+type GetConsistencyProofV1 struct {
+	First  uint64
+	Second uint64
+}
+
 // Marshal marshals a TLS-encodable structure
 func Marshal(item interface{}) ([]byte, error) {
 	serialized, err := tls.Marshal(item)
diff --git a/types/serialize_test.go b/types/serialize_test.go
index e835ad2..ed51c2c 100644
--- a/types/serialize_test.go
+++ b/types/serialize_test.go
@@ -33,6 +33,7 @@ func TestMarshalUnmarshal(t *testing.T) {
 	tests = append(tests, test_cases_sigv1(t)...)
 	tests = append(tests, test_cases_namespace(t)...)
 	tests = append(tests, test_cases_ed25519v1(t)...)
+	tests = append(tests, test_cases_requests(t)...)
 	for _, table := range tests {
 		b, err := Marshal(table.item)
 		if got, want := err != nil, table.wantErr; got != want {
@@ -85,6 +86,12 @@ func TestMarshalUnmarshal(t *testing.T) {
 		case Ed25519V1:
 			var item Ed25519V1
 			err = Unmarshal(b, &item)
+		case GetProofByHashV1:
+			var item GetProofByHashV1
+			err = Unmarshal(b, &item)
+		case GetConsistencyProofV1:
+			var item GetConsistencyProofV1
+			err = Unmarshal(b, &item)
 		default:
 			t.Errorf("unhandled type in test %q", table.description)
 		}
@@ -481,6 +488,34 @@ func test_cases_ed25519v1(t *testing.T) []testCaseSerialize {
 	}
 }
 
+// test_cases_requests returns test cases for proof request types
+func test_cases_requests(t *testing.T) []testCaseSerialize {
+	return []testCaseSerialize{
+		{
+			description: "valid: GetProofByHashV1",
+			item: GetProofByHashV1{
+				Hash:     [HashSizeV1]byte{},
+				TreeSize: 16909060,
+			},
+			wantBytes: bytes.Join([][]byte{
+				make([]byte, 32), // hash
+				[]byte{0x00, 0x00, 0x00, 0x00, 0x1, 0x2, 0x3, 0x4}, // tree size
+			}, nil),
+		},
+		{
+			description: "valid: GetConsistencyProofV1",
+			item: GetConsistencyProofV1{
+				First:  0,
+				Second: 16909060,
+			},
+			wantBytes: bytes.Join([][]byte{
+				make([]byte, 8), // first
+				[]byte{0x00, 0x00, 0x00, 0x00, 0x1, 0x2, 0x3, 0x4}, // second
+			}, nil),
+		},
+	}
+}
+
 var (
 	// StItemList
 	testStItemList = StItemList{
-- 
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