neoneo-go/pkg/consensus/payload_test.go
2021-03-18 21:32:43 +03:00

298 lines
8.1 KiB
Go

package consensus
import (
"encoding/hex"
gio "io"
"math/rand"
"testing"
"github.com/nspcc-dev/dbft/payload"
"github.com/nspcc-dev/neo-go/internal/random"
"github.com/nspcc-dev/neo-go/internal/testserdes"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/io"
npayload "github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var messageTypes = []messageType{
changeViewType,
prepareRequestType,
prepareResponseType,
commitType,
recoveryRequestType,
recoveryMessageType,
}
func TestConsensusPayload_Setters(t *testing.T) {
var p Payload
//p.SetVersion(1)
//assert.EqualValues(t, 1, p.Version())
//p.SetPrevHash(util.Uint256{1, 2, 3})
//assert.Equal(t, util.Uint256{1, 2, 3}, p.PrevHash())
p.SetValidatorIndex(4)
assert.EqualValues(t, 4, p.ValidatorIndex())
p.SetHeight(11)
assert.EqualValues(t, 11, p.Height())
p.SetViewNumber(2)
assert.EqualValues(t, 2, p.ViewNumber())
p.SetType(payload.PrepareRequestType)
assert.Equal(t, payload.PrepareRequestType, p.Type())
pl := randomMessage(t, prepareRequestType)
p.SetPayload(pl)
require.Equal(t, pl, p.Payload())
require.Equal(t, pl, p.GetPrepareRequest())
pl = randomMessage(t, prepareResponseType)
p.SetPayload(pl)
require.Equal(t, pl, p.GetPrepareResponse())
pl = randomMessage(t, commitType)
p.SetPayload(pl)
require.Equal(t, pl, p.GetCommit())
pl = randomMessage(t, changeViewType)
p.SetPayload(pl)
require.Equal(t, pl, p.GetChangeView())
pl = randomMessage(t, recoveryRequestType)
p.SetPayload(pl)
require.Equal(t, pl, p.GetRecoveryRequest())
pl = randomMessage(t, recoveryMessageType)
p.SetPayload(pl)
require.Equal(t, pl, p.GetRecoveryMessage())
}
func TestConsensusPayload_Serializable(t *testing.T) {
for _, mt := range messageTypes {
p := randomPayload(t, mt)
actual := new(Payload)
data, err := testserdes.EncodeBinary(p)
require.NoError(t, err)
require.NoError(t, testserdes.DecodeBinary(data, &actual.Extensible))
assert.NoError(t, actual.decodeData())
require.Equal(t, p, actual)
}
}
func TestConsensusPayload_DecodeBinaryInvalid(t *testing.T) {
// PrepareResponse payload consists of:
// - 1-byte message type (PrepareResponse)
// - 4-byte block index
// - 1-byte validator index
// - 1-byte view number
// - 32-byte preparation hash
const (
typeIndex = 0
size = 39
)
buf := make([]byte, size)
expected := message{
Type: prepareResponseType,
payload: &prepareResponse{},
}
// valid payload
buf[typeIndex] = byte(prepareResponseType)
p := &Payload{Extensible: npayload.Extensible{Data: buf}}
require.NoError(t, p.decodeData())
require.Equal(t, expected, p.message)
// invalid type
buf[typeIndex] = 0xFF
p = &Payload{Extensible: npayload.Extensible{Data: buf}}
require.Error(t, p.decodeData())
// invalid length
buf[typeIndex] = byte(prepareResponseType)
p = &Payload{Extensible: npayload.Extensible{Data: buf[:len(buf)-1]}}
require.Error(t, p.decodeData())
}
func TestCommit_Serializable(t *testing.T) {
c := randomMessage(t, commitType)
testserdes.EncodeDecodeBinary(t, c, new(commit))
}
func TestPrepareResponse_Serializable(t *testing.T) {
resp := randomMessage(t, prepareResponseType)
testserdes.EncodeDecodeBinary(t, resp, new(prepareResponse))
}
func TestPrepareRequest_Serializable(t *testing.T) {
req := randomMessage(t, prepareRequestType)
testserdes.EncodeDecodeBinary(t, req, new(prepareRequest))
}
func TestRecoveryRequest_Serializable(t *testing.T) {
req := randomMessage(t, recoveryRequestType)
testserdes.EncodeDecodeBinary(t, req, new(recoveryRequest))
}
func TestRecoveryMessage_Serializable(t *testing.T) {
msg := randomMessage(t, recoveryMessageType)
testserdes.EncodeDecodeBinary(t, msg, new(recoveryMessage))
}
func randomPayload(t *testing.T, mt messageType) *Payload {
p := &Payload{
message: message{
Type: mt,
ValidatorIndex: byte(rand.Uint32()),
BlockIndex: rand.Uint32(),
ViewNumber: byte(rand.Uint32()),
payload: randomMessage(t, mt),
},
Extensible: npayload.Extensible{
Witness: transaction.Witness{
InvocationScript: random.Bytes(3),
VerificationScript: []byte{byte(opcode.PUSH0)},
},
},
}
if mt == changeViewType {
p.payload.(*changeView).newViewNumber = p.ViewNumber() + 1
}
return p
}
func randomMessage(t *testing.T, mt messageType) io.Serializable {
switch mt {
case changeViewType:
return &changeView{
timestamp: rand.Uint64(),
}
case prepareRequestType:
return randomPrepareRequest(t)
case prepareResponseType:
return &prepareResponse{preparationHash: random.Uint256()}
case commitType:
var c commit
random.Fill(c.signature[:])
return &c
case recoveryRequestType:
return &recoveryRequest{timestamp: rand.Uint64()}
case recoveryMessageType:
return randomRecoveryMessage(t)
default:
require.Fail(t, "invalid type")
return nil
}
}
func randomPrepareRequest(t *testing.T) *prepareRequest {
const txCount = 3
req := &prepareRequest{
timestamp: rand.Uint64(),
transactionHashes: make([]util.Uint256, txCount),
}
for i := 0; i < txCount; i++ {
req.transactionHashes[i] = random.Uint256()
}
return req
}
func randomRecoveryMessage(t *testing.T) *recoveryMessage {
result := randomMessage(t, prepareRequestType)
require.IsType(t, (*prepareRequest)(nil), result)
prepReq := result.(*prepareRequest)
return &recoveryMessage{
preparationPayloads: []*preparationCompact{
{
ValidatorIndex: 1,
InvocationScript: random.Bytes(10),
},
},
commitPayloads: []*commitCompact{
{
ViewNumber: 0,
ValidatorIndex: 1,
Signature: [64]byte{1, 2, 3},
InvocationScript: random.Bytes(20),
},
{
ViewNumber: 0,
ValidatorIndex: 2,
Signature: [64]byte{11, 3, 4, 98},
InvocationScript: random.Bytes(10),
},
},
changeViewPayloads: []*changeViewCompact{
{
Timestamp: rand.Uint64(),
ValidatorIndex: 3,
OriginalViewNumber: 3,
InvocationScript: random.Bytes(4),
},
},
prepareRequest: &message{
Type: prepareRequestType,
payload: prepReq,
},
}
}
func TestPayload_Sign(t *testing.T) {
key, err := keys.NewPrivateKey()
require.NoError(t, err)
priv := &privateKey{key}
p := randomPayload(t, prepareRequestType)
h := priv.PublicKey().GetScriptHash()
bc := newTestChain(t, false)
require.Error(t, bc.VerifyWitness(h, p, &p.Witness, payloadGasLimit))
require.NoError(t, p.Sign(priv))
require.NoError(t, bc.VerifyWitness(h, p, &p.Witness, payloadGasLimit))
}
func TestMessageType_String(t *testing.T) {
require.Equal(t, "ChangeView", changeViewType.String())
require.Equal(t, "PrepareRequest", prepareRequestType.String())
require.Equal(t, "PrepareResponse", prepareResponseType.String())
require.Equal(t, "Commit", commitType.String())
require.Equal(t, "RecoveryMessage", recoveryMessageType.String())
require.Equal(t, "RecoveryRequest", recoveryRequestType.String())
require.Equal(t, "UNKNOWN(0xff)", messageType(0xff).String())
}
func TestPayload_DecodeFromPrivnet(t *testing.T) {
hexDump := "0464424654000000000200000018ca088345a4926bcc9a1daccfba0ac4436082a847300200000003003c57d952539c5e0c39a83c0de5744a772c0dcb0e8ccd7c5bba27ef" +
"498506cd860cdfd01ad215b251ab64dc64cd544a6f453f3b0128ddc98d95ac15915dbe6f6301420c40b39c9136af3b8186409dec2dbd31d0fd4f3e637b3eeb96d8556b41f8512dd25d91134f62a6c293db089b7e82b7a0fd23bf9a1" +
"5ee26c42a5738b913beef74176d290c2103d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee6990b4195440d78"
data, err := hex.DecodeString(hexDump)
require.NoError(t, err)
buf := io.NewBinReaderFromBuf(data)
p := NewPayload(netmode.PrivNet, false)
p.DecodeBinary(buf)
require.NoError(t, buf.Err)
require.Equal(t, payload.CommitType, p.Type())
require.Equal(t, uint32(2), p.Height())
require.Equal(t, uint16(3), p.ValidatorIndex())
require.Equal(t, byte(0), p.ViewNumber())
require.NotNil(t, p.message.payload)
buf.ReadB()
require.Equal(t, gio.EOF, buf.Err)
}