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// Copyright (C) 2019-2024 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 catchup
import (
"context"
"testing"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/agreement"
"github.com/algorand/go-algorand/components/mocks"
"github.com/algorand/go-algorand/crypto"
"github.com/algorand/go-algorand/data/basics"
"github.com/algorand/go-algorand/data/bookkeeping"
"github.com/algorand/go-algorand/ledger"
"github.com/algorand/go-algorand/ledger/ledgercore"
"github.com/algorand/go-algorand/logging"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/test/partitiontest"
)
type catchpointCatchupLedger struct {
}
func (l *catchpointCatchupLedger) BlockCert(rnd basics.Round) (blk bookkeeping.Block, cert agreement.Certificate, err error) {
blk = bookkeeping.Block{
BlockHeader: bookkeeping.BlockHeader{
UpgradeState: bookkeeping.UpgradeState{
CurrentProtocol: protocol.ConsensusCurrentVersion,
},
},
}
cert = agreement.Certificate{}
commitments, err := blk.PaysetCommit()
if err != nil {
return blk, cert, err
}
blk.TxnCommitments = commitments
return blk, cert, nil
}
func (l *catchpointCatchupLedger) GenesisHash() (d crypto.Digest) {
return
}
func (l *catchpointCatchupLedger) BlockHdr(rnd basics.Round) (blk bookkeeping.BlockHeader, err error) {
return
}
func (l *catchpointCatchupLedger) Latest() (rnd basics.Round) {
return
}
type catchpointCatchupAccessorMock struct {
mocks.MockCatchpointCatchupAccessor
l *catchpointCatchupLedger
}
func (m *catchpointCatchupAccessorMock) GetCatchupBlockRound(ctx context.Context) (round basics.Round, err error) {
return 1, nil
}
func (m *catchpointCatchupAccessorMock) Ledger() (l ledger.CatchupAccessorClientLedger) {
return m.l
}
// GetVerifyData returns the balances hash, spver hash and totals used by VerifyCatchpoint
func (m *catchpointCatchupAccessorMock) GetVerifyData(ctx context.Context) (balancesHash crypto.Digest, spverHash crypto.Digest, totals ledgercore.AccountTotals, err error) {
return crypto.Digest{}, crypto.Digest{}, ledgercore.AccountTotals{}, nil
}
// TestCatchpointServicePeerRank ensures CatchpointService does not crash when a block fetched
// from the local ledger and not from network when ranking a peer
func TestCatchpointServicePeerRank(t *testing.T) {
partitiontest.PartitionTest(t)
l := catchpointCatchupLedger{}
a := catchpointCatchupAccessorMock{l: &l}
cs := CatchpointCatchupService{ledgerAccessor: &a, ledger: &l}
cs.initDownloadPeerSelector()
err := cs.processStageLatestBlockDownload()
require.NoError(t, err)
}
type catchpointAccessorMock struct {
mocks.MockCatchpointCatchupAccessor
t *testing.T
topBlk bookkeeping.Block
}
func (m *catchpointAccessorMock) EnsureFirstBlock(ctx context.Context) (blk bookkeeping.Block, err error) {
return m.topBlk, nil
}
func (m *catchpointAccessorMock) StoreBlock(ctx context.Context, blk *bookkeeping.Block, cert *agreement.Certificate) (err error) {
require.NotNil(m.t, blk)
require.NotNil(m.t, cert)
return nil
}
type catchpointCatchupLedger2 struct {
catchpointCatchupLedger
blk bookkeeping.Block
}
func (l *catchpointCatchupLedger2) BlockCert(rnd basics.Round) (blk bookkeeping.Block, cert agreement.Certificate, err error) {
return l.blk, agreement.Certificate{}, nil
}
// TestProcessStageBlocksDownloadNilCert ensures StoreBlock does not receive a nil certificate when ledger has already had a block.
// It uses two mocks catchpointAccessorMock and catchpointCatchupLedger2 and pre-crafted blocks to make a single iteration of processStageBlocksDownload.
func TestProcessStageBlocksDownloadNilCert(t *testing.T) {
partitiontest.PartitionTest(t)
var err error
blk1 := bookkeeping.Block{
BlockHeader: bookkeeping.BlockHeader{
Round: 1,
UpgradeState: bookkeeping.UpgradeState{
CurrentProtocol: protocol.ConsensusCurrentVersion,
},
},
}
blk1.TxnCommitments, err = blk1.PaysetCommit()
require.NoError(t, err)
blk2 := blk1
blk2.BlockHeader.Round = 2
blk2.BlockHeader.Branch = blk1.Hash()
blk2.TxnCommitments, err = blk2.PaysetCommit()
require.NoError(t, err)
ctx, cf := context.WithCancel(context.Background())
cs := CatchpointCatchupService{
ctx: ctx,
cancelCtxFunc: cf,
ledgerAccessor: &catchpointAccessorMock{topBlk: blk2, t: t},
ledger: &catchpointCatchupLedger2{blk: blk1},
log: logging.TestingLog(t),
}
err = cs.processStageBlocksDownload()
require.NoError(t, err)
}
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