1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package merklesignature
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/test/partitiontest"
)
func TestRoundToIndex(t *testing.T) {
partitiontest.PartitionTest(t)
count := uint64(200)
// firstValid <= keyLifetime
firstValid := uint64(100)
keyLifetime := uint64(101)
ic := uint64(1)
checkRoundToIndex(count, ic, firstValid, keyLifetime, t)
// firstValid > keyLifetime
firstValid = uint64(100)
keyLifetime = uint64(99)
ic = uint64(2)
checkRoundToIndex(count, ic, firstValid, keyLifetime, t)
// firstValid >> keyLifetime
firstValid = uint64(100)
keyLifetime = uint64(20)
ic = uint64(5)
checkRoundToIndex(count, ic, firstValid, keyLifetime, t)
}
func TestIndexToRoundToIndex(t *testing.T) {
partitiontest.PartitionTest(t)
count := uint64(200)
firstValid := uint64(100)
keyLifetime := uint64(101)
checkIndexToRoundToIndex(count, firstValid, keyLifetime, t)
firstValid = uint64(100)
keyLifetime = uint64(99)
checkIndexToRoundToIndex(count, firstValid, keyLifetime, t)
firstValid = uint64(100)
keyLifetime = uint64(20)
checkIndexToRoundToIndex(count, firstValid, keyLifetime, t)
}
func TestErrors(t *testing.T) {
partitiontest.PartitionTest(t)
firstValid := uint64(101)
round := firstValid - 1
keyLifetime := round / 2
require.Equal(t, errRoundFirstValid, checkMerkleSignatureSchemeParams(firstValid, round, keyLifetime))
keyLifetime = 0
require.Equal(t, ErrKeyLifetimeIsZero, checkMerkleSignatureSchemeParams(firstValid, round, keyLifetime))
keyLifetime = 107
round = 107
firstValid = 107
require.NoError(t, checkMerkleSignatureSchemeParams(firstValid, round, keyLifetime))
}
func checkIndexToRoundToIndex(count, firstValid, keyLifetime uint64, t *testing.T) {
for pos := uint64(0); pos < count; pos++ {
round := indexToRound(firstValid, keyLifetime, uint64(pos))
index := roundToIndex(firstValid, round, keyLifetime)
require.Equal(t, uint64(pos), index)
}
}
func checkRoundToIndex(count, initC, firstValid, keyLifetime uint64, t *testing.T) {
expIndex := uint64(0)
for c := initC; c < count; c++ {
round := keyLifetime * c
index := roundToIndex(firstValid, round, keyLifetime)
require.Equal(t, expIndex, index)
expIndex++
round2 := indexToRound(firstValid, keyLifetime, index)
require.Equal(t, round, round2)
}
}
|
