mirror of
https://github.com/nspcc-dev/neo-go.git
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253c39d4ee
* update dbft library, change to 64-bit timestamps and CV reason * modify messages * generate stateroot witness data from prepare* messages during commit Fix #1273.
270 lines
6.7 KiB
Go
270 lines
6.7 KiB
Go
package consensus
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import (
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"testing"
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"time"
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"github.com/nspcc-dev/dbft/block"
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"github.com/nspcc-dev/dbft/payload"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core"
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"github.com/nspcc-dev/neo-go/pkg/core/cache"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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func TestNewService(t *testing.T) {
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srv := newTestService(t)
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tx := &transaction.Transaction{
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Type: transaction.MinerType,
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Data: &transaction.MinerTX{Nonce: 12345},
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}
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require.NoError(t, srv.Chain.PoolTx(tx))
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var txx []block.Transaction
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require.NotPanics(t, func() { txx = srv.getVerifiedTx() })
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require.Len(t, txx, 2)
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require.Equal(t, tx, txx[1])
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srv.Chain.Close()
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}
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func TestService_GetVerified(t *testing.T) {
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srv := newTestService(t)
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srv.dbft.Start()
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txs := []*transaction.Transaction{
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newMinerTx(1),
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newMinerTx(2),
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newMinerTx(3),
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newMinerTx(4),
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}
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require.NoError(t, srv.Chain.PoolTx(txs[3]))
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hashes := []util.Uint256{txs[0].Hash(), txs[1].Hash(), txs[2].Hash()}
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// Everyone sends a message.
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for i := 0; i < 4; i++ {
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p := srv.newPayload().(*Payload)
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p.SetHeight(1)
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p.SetValidatorIndex(uint16(i))
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priv, _ := getTestValidator(i)
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// To properly sign stateroot in prepare request.
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srv.dbft.Priv = priv
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// One PrepareRequest and three ChangeViews.
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if i == 1 {
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p.SetType(payload.PrepareRequestType)
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preq := srv.newPrepareRequest().(*prepareRequest)
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preq.transactionHashes = hashes
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preq.minerTx = *newMinerTx(999)
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p.SetPayload(preq)
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} else {
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p.SetType(payload.ChangeViewType)
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p.SetPayload(&changeView{newViewNumber: 1, timestamp: uint32(time.Now().Unix())})
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}
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require.NoError(t, p.Sign(priv))
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// Skip srv.OnPayload, because the service is not really started.
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srv.dbft.OnReceive(p)
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}
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require.Equal(t, uint8(1), srv.dbft.ViewNumber)
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require.Equal(t, hashes, srv.lastProposal)
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t.Run("new transactions will be proposed in case of failure", func(t *testing.T) {
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txx := srv.getVerifiedTx()
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require.Equal(t, 2, len(txx), "there is only 1 tx in mempool")
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require.Equal(t, txs[3], txx[1])
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})
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t.Run("more than half of the last proposal will be reused", func(t *testing.T) {
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for _, tx := range txs[:2] {
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require.NoError(t, srv.Chain.PoolTx(tx))
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}
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txx := srv.getVerifiedTx()
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require.Contains(t, txx, txs[0])
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require.Contains(t, txx, txs[1])
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require.NotContains(t, txx, txs[2])
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})
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srv.Chain.Close()
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}
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func TestService_ValidatePayload(t *testing.T) {
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srv := newTestService(t)
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priv, _ := getTestValidator(1)
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p := new(Payload)
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p.message = &message{}
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p.SetPayload(&prepareRequest{})
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t.Run("invalid validator index", func(t *testing.T) {
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p.SetValidatorIndex(11)
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require.NoError(t, p.Sign(priv))
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var ok bool
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require.NotPanics(t, func() { ok = srv.validatePayload(p) })
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require.False(t, ok)
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})
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t.Run("wrong validator index", func(t *testing.T) {
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p.SetValidatorIndex(2)
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require.NoError(t, p.Sign(priv))
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require.False(t, srv.validatePayload(p))
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})
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t.Run("normal case", func(t *testing.T) {
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p.SetValidatorIndex(1)
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require.NoError(t, p.Sign(priv))
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require.True(t, srv.validatePayload(p))
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})
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srv.Chain.Close()
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}
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func TestService_getTx(t *testing.T) {
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srv := newTestService(t)
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t.Run("transaction in mempool", func(t *testing.T) {
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tx := newMinerTx(1234)
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h := tx.Hash()
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require.Equal(t, nil, srv.getTx(h))
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require.NoError(t, srv.Chain.PoolTx(tx))
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got := srv.getTx(h)
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require.NotNil(t, got)
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require.Equal(t, h, got.Hash())
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})
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t.Run("transaction in local cache", func(t *testing.T) {
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tx := newMinerTx(4321)
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h := tx.Hash()
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require.Equal(t, nil, srv.getTx(h))
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srv.txx.Add(tx)
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got := srv.getTx(h)
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require.NotNil(t, got)
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require.Equal(t, h, got.Hash())
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})
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srv.Chain.Close()
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}
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func TestService_OnPayload(t *testing.T) {
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srv := newTestService(t)
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// This test directly reads things from srv.messages that normally
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// is read by internal goroutine started with Start(). So let's
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// pretend we really did start already.
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srv.started.Store(true)
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priv, _ := getTestValidator(1)
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p := new(Payload)
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p.message = &message{}
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p.SetValidatorIndex(1)
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p.SetPayload(&prepareRequest{})
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// payload is not signed
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srv.OnPayload(p)
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shouldNotReceive(t, srv.messages)
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require.Nil(t, srv.GetPayload(p.Hash()))
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require.NoError(t, p.Sign(priv))
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srv.OnPayload(p)
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shouldReceive(t, srv.messages)
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require.Equal(t, p, srv.GetPayload(p.Hash()))
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// payload has already been received
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srv.OnPayload(p)
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shouldNotReceive(t, srv.messages)
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srv.Chain.Close()
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}
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func shouldReceive(t *testing.T, ch chan Payload) {
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select {
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case <-ch:
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default:
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require.Fail(t, "missing expected message")
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}
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}
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func shouldNotReceive(t *testing.T, ch chan Payload) {
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select {
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case <-ch:
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require.Fail(t, "unexpected message receive")
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default:
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}
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}
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func newTestService(t *testing.T) *service {
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srv, err := NewService(Config{
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Logger: zaptest.NewLogger(t),
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Broadcast: func(cache.Hashable) {},
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Chain: newTestChain(t),
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RequestTx: func(...util.Uint256) {},
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Wallet: &wallet.Config{
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Path: "./testdata/wallet1.json",
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Password: "one",
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},
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})
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require.NoError(t, err)
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return srv.(*service)
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}
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func getTestValidator(i int) (*privateKey, *publicKey) {
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var wif, password string
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// Sorted by public key.
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switch i {
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case 0:
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wif = "6PYXHjPaNvW8YknSXaKsTWjf9FRxo1s4naV2jdmSQEgzaqKGX368rndN3L"
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password = "two"
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case 1:
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wif = "6PYRXVwHSqFSukL3CuXxdQ75VmsKpjeLgQLEjt83FrtHf1gCVphHzdD4nc"
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password = "four"
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case 2:
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wif = "6PYLmjBYJ4wQTCEfqvnznGJwZeW9pfUcV5m5oreHxqryUgqKpTRAFt9L8Y"
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password = "one"
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case 3:
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wif = "6PYX86vYiHfUbpD95hfN1xgnvcSxy5skxfWYKu3ztjecxk6ikYs2kcWbeh"
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password = "three"
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default:
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return nil, nil
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}
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key, err := keys.NEP2Decrypt(wif, password)
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if err != nil {
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return nil, nil
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}
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return &privateKey{PrivateKey: key}, &publicKey{PublicKey: key.PublicKey()}
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}
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func newTestChain(t *testing.T) *core.Blockchain {
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unitTestNetCfg, err := config.Load("../../config", config.ModeUnitTestNet)
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require.NoError(t, err)
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chain, err := core.NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
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require.NoError(t, err)
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go chain.Run()
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return chain
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}
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type feer struct{}
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func (fs *feer) NetworkFee(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
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func (fs *feer) IsLowPriority(util.Fixed8) bool { return false }
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func (fs *feer) FeePerByte(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
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func (fs *feer) SystemFee(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
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