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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright (C) 2019-2021 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 compactcert
import (
"path/filepath"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/crypto/compactcert"
"github.com/algorand/go-algorand/daemon/algod/api/spec/v1"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/data/transactions"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/rpcs"
"github.com/algorand/go-algorand/test/framework/fixtures"
"github.com/algorand/go-algorand/test/partitiontest"
)
func TestCompactCerts(t *testing.T) {
partitiontest.PartitionTest(t)
t.Skip("Disabling since they need work and shouldn't block releases")
t.Parallel()
r := require.New(fixtures.SynchronizedTest(t))
configurableConsensus := make(config.ConsensusProtocols)
consensusVersion := protocol.ConsensusVersion("test-fast-compactcert")
consensusParams := config.Consensus[protocol.ConsensusCurrentVersion]
consensusParams.CompactCertRounds = 8
consensusParams.CompactCertTopVoters = 1024
consensusParams.CompactCertVotersLookback = 2
consensusParams.CompactCertWeightThreshold = (1 << 32) * 30 / 100
consensusParams.CompactCertSecKQ = 128
configurableConsensus[consensusVersion] = consensusParams
var fixture fixtures.RestClientFixture
fixture.SetConsensus(configurableConsensus)
fixture.Setup(t, filepath.Join("nettemplates", "CompactCert.json"))
defer fixture.Shutdown()
restClient, err := fixture.NC.AlgodClient()
r.NoError(err)
node0Client := fixture.GetLibGoalClientForNamedNode("Node0")
node0Wallet, err := node0Client.GetUnencryptedWalletHandle()
r.NoError(err)
node0AccountList, err := node0Client.ListAddresses(node0Wallet)
r.NoError(err)
node0Account := node0AccountList[0]
node1Client := fixture.GetLibGoalClientForNamedNode("Node1")
node1Wallet, err := node1Client.GetUnencryptedWalletHandle()
r.NoError(err)
node1AccountList, err := node1Client.ListAddresses(node1Wallet)
r.NoError(err)
node1Account := node1AccountList[0]
var lastCertBlock v1.Block
libgoal := fixture.LibGoalClient
for rnd := uint64(1); rnd <= consensusParams.CompactCertRounds*4; rnd++ {
// send a dummy payment transaction.
minTxnFee, _, err := fixture.CurrentMinFeeAndBalance()
r.NoError(err)
_, err = node0Client.SendPaymentFromUnencryptedWallet(node0Account, node1Account, minTxnFee, rnd, nil)
r.NoError(err)
err = fixture.WaitForRound(rnd, 30*time.Second)
r.NoError(err)
blk, err := libgoal.Block(rnd)
r.NoErrorf(err, "failed to retrieve block from algod on round %d", rnd)
t.Logf("Round %d, block %v\n", rnd, blk)
if (rnd % consensusParams.CompactCertRounds) == 0 {
// Must have a merkle commitment for participants
r.True(len(blk.CompactCertVoters) > 0)
r.True(blk.CompactCertVotersTotal != 0)
// Special case: bootstrap validation with the first block
// that has a merkle root.
if lastCertBlock.Round == 0 {
lastCertBlock = blk
}
}
for lastCertBlock.Round != 0 && lastCertBlock.Round+consensusParams.CompactCertRounds < blk.CompactCertNextRound {
nextCertRound := lastCertBlock.Round + consensusParams.CompactCertRounds
// Find the cert transaction
res, err := restClient.TransactionsByAddr(transactions.CompactCertSender.String(), 0, rnd, 4)
r.NoError(err)
var compactCert compactcert.Cert
compactCertFound := false
for _, txn := range res.Transactions {
r.Equal(txn.Type, string(protocol.CompactCertTx))
r.True(txn.CompactCert != nil)
if txn.CompactCert.CertRound == nextCertRound {
err = protocol.Decode(txn.CompactCert.Cert, &compactCert)
r.NoError(err)
compactCertFound = true
}
}
r.True(compactCertFound)
nextCertBlock, err := libgoal.Block(nextCertRound)
r.NoError(err)
nextCertBlockRaw, err := libgoal.RawBlock(nextCertRound)
r.NoError(err)
var nextCertBlockDecoded rpcs.EncodedBlockCert
err = protocol.Decode(nextCertBlockRaw, &nextCertBlockDecoded)
r.NoError(err)
var votersRoot crypto.Digest
copy(votersRoot[:], lastCertBlock.CompactCertVoters)
provenWeight, overflowed := basics.Muldiv(lastCertBlock.CompactCertVotersTotal, uint64(consensusParams.CompactCertWeightThreshold), 1<<32)
r.False(overflowed)
ccparams := compactcert.Params{
Msg: nextCertBlockDecoded.Block.BlockHeader,
ProvenWeight: provenWeight,
SigRound: basics.Round(nextCertBlock.Round + 1),
SecKQ: consensusParams.CompactCertSecKQ,
}
verif := compactcert.MkVerifier(ccparams, votersRoot)
err = verif.Verify(&compactCert)
r.NoError(err)
lastCertBlock = nextCertBlock
}
}
r.Equalf(consensusParams.CompactCertRounds*3, lastCertBlock.Round, "the expected last certificate block wasn't the one that was observed")
}
|
