364 lines
10 KiB
Go
364 lines
10 KiB
Go
package consensus
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/nspcc-dev/dbft/block"
|
|
"github.com/nspcc-dev/dbft/payload"
|
|
"github.com/nspcc-dev/neo-go/pkg/config"
|
|
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
|
|
"github.com/nspcc-dev/neo-go/pkg/core"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/native"
|
|
"github.com/nspcc-dev/neo-go/pkg/core/storage"
|
|
"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/internal/testchain"
|
|
"github.com/nspcc-dev/neo-go/pkg/io"
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
|
|
"github.com/stretchr/testify/require"
|
|
"go.uber.org/zap/zaptest"
|
|
)
|
|
|
|
func TestNewService(t *testing.T) {
|
|
srv := newTestService(t)
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 100000)
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
require.NoError(t, srv.Chain.PoolTx(tx))
|
|
|
|
var txx []block.Transaction
|
|
require.NotPanics(t, func() { txx = srv.getVerifiedTx() })
|
|
require.Len(t, txx, 1)
|
|
require.Equal(t, tx, txx[0])
|
|
srv.Chain.Close()
|
|
}
|
|
|
|
func TestService_GetVerified(t *testing.T) {
|
|
srv := newTestService(t)
|
|
srv.dbft.Start()
|
|
var txs []*transaction.Transaction
|
|
for i := 0; i < 4; i++ {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 100000)
|
|
tx.Nonce = 123 + uint32(i)
|
|
tx.ValidUntilBlock = 1
|
|
txs = append(txs, tx)
|
|
}
|
|
addSender(t, txs...)
|
|
signTx(t, srv.Chain.FeePerByte(), txs...)
|
|
require.NoError(t, srv.Chain.PoolTx(txs[3]))
|
|
|
|
hashes := []util.Uint256{txs[0].Hash(), txs[1].Hash(), txs[2].Hash()}
|
|
|
|
// Everyone sends a message.
|
|
for i := 0; i < 4; i++ {
|
|
p := new(Payload)
|
|
p.message = &message{}
|
|
// One PrepareRequest and three ChangeViews.
|
|
if i == 1 {
|
|
p.SetType(payload.PrepareRequestType)
|
|
p.SetPayload(&prepareRequest{transactionHashes: hashes})
|
|
} else {
|
|
p.SetType(payload.ChangeViewType)
|
|
p.SetPayload(&changeView{newViewNumber: 1, timestamp: uint64(time.Now().UnixNano() / nsInMs)})
|
|
}
|
|
p.SetHeight(1)
|
|
p.SetValidatorIndex(uint16(i))
|
|
|
|
priv, _ := getTestValidator(i)
|
|
require.NoError(t, p.Sign(priv))
|
|
|
|
// Skip srv.OnPayload, because the service is not really started.
|
|
srv.dbft.OnReceive(p)
|
|
}
|
|
require.Equal(t, uint8(1), srv.dbft.ViewNumber)
|
|
require.Equal(t, hashes, srv.lastProposal)
|
|
|
|
t.Run("new transactions will be proposed in case of failure", func(t *testing.T) {
|
|
txx := srv.getVerifiedTx()
|
|
require.Equal(t, 1, len(txx), "there is only 1 tx in mempool")
|
|
require.Equal(t, txs[3], txx[0])
|
|
})
|
|
|
|
t.Run("more than half of the last proposal will be reused", func(t *testing.T) {
|
|
for _, tx := range txs[:2] {
|
|
require.NoError(t, srv.Chain.PoolTx(tx))
|
|
}
|
|
|
|
txx := srv.getVerifiedTx()
|
|
require.Contains(t, txx, txs[0])
|
|
require.Contains(t, txx, txs[1])
|
|
require.NotContains(t, txx, txs[2])
|
|
})
|
|
srv.Chain.Close()
|
|
}
|
|
|
|
func TestService_ValidatePayload(t *testing.T) {
|
|
srv := newTestService(t)
|
|
priv, _ := getTestValidator(1)
|
|
p := new(Payload)
|
|
p.message = &message{}
|
|
|
|
p.SetPayload(&prepareRequest{})
|
|
|
|
t.Run("invalid validator index", func(t *testing.T) {
|
|
p.SetValidatorIndex(11)
|
|
require.NoError(t, p.Sign(priv))
|
|
|
|
var ok bool
|
|
require.NotPanics(t, func() { ok = srv.validatePayload(p) })
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("wrong validator index", func(t *testing.T) {
|
|
p.SetValidatorIndex(2)
|
|
require.NoError(t, p.Sign(priv))
|
|
require.False(t, srv.validatePayload(p))
|
|
})
|
|
|
|
t.Run("normal case", func(t *testing.T) {
|
|
p.SetValidatorIndex(1)
|
|
require.NoError(t, p.Sign(priv))
|
|
require.True(t, srv.validatePayload(p))
|
|
})
|
|
srv.Chain.Close()
|
|
}
|
|
|
|
func TestService_getTx(t *testing.T) {
|
|
srv := newTestService(t)
|
|
|
|
t.Run("transaction in mempool", func(t *testing.T) {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
|
|
tx.Nonce = 1234
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
h := tx.Hash()
|
|
|
|
require.Equal(t, nil, srv.getTx(h))
|
|
|
|
require.NoError(t, srv.Chain.PoolTx(tx))
|
|
|
|
got := srv.getTx(h)
|
|
require.NotNil(t, got)
|
|
require.Equal(t, h, got.Hash())
|
|
})
|
|
|
|
t.Run("transaction in local cache", func(t *testing.T) {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
|
|
tx.Nonce = 4321
|
|
tx.ValidUntilBlock = 1
|
|
h := tx.Hash()
|
|
|
|
require.Equal(t, nil, srv.getTx(h))
|
|
|
|
srv.txx.Add(tx)
|
|
|
|
got := srv.getTx(h)
|
|
require.NotNil(t, got)
|
|
require.Equal(t, h, got.Hash())
|
|
})
|
|
srv.Chain.Close()
|
|
}
|
|
|
|
func TestService_OnPayload(t *testing.T) {
|
|
srv := newTestService(t)
|
|
// This test directly reads things from srv.messages that normally
|
|
// is read by internal goroutine started with Start(). So let's
|
|
// pretend we really did start already.
|
|
srv.started.Store(true)
|
|
|
|
priv, _ := getTestValidator(1)
|
|
p := new(Payload)
|
|
p.message = &message{}
|
|
p.SetValidatorIndex(1)
|
|
p.SetPayload(&prepareRequest{})
|
|
|
|
// payload is not signed
|
|
srv.OnPayload(p)
|
|
shouldNotReceive(t, srv.messages)
|
|
require.Nil(t, srv.GetPayload(p.Hash()))
|
|
|
|
require.NoError(t, p.Sign(priv))
|
|
srv.OnPayload(p)
|
|
shouldReceive(t, srv.messages)
|
|
require.Equal(t, p, srv.GetPayload(p.Hash()))
|
|
|
|
// payload has already been received
|
|
srv.OnPayload(p)
|
|
shouldNotReceive(t, srv.messages)
|
|
srv.Chain.Close()
|
|
}
|
|
|
|
func TestVerifyBlock(t *testing.T) {
|
|
srv := newTestService(t)
|
|
defer srv.Chain.Close()
|
|
t.Run("good empty", func(t *testing.T) {
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0)
|
|
require.True(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("good pooled tx", func(t *testing.T) {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100000)
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
require.NoError(t, srv.Chain.PoolTx(tx))
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, tx)
|
|
require.True(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("good non-pooled tx", func(t *testing.T) {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100000)
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, tx)
|
|
require.True(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("good conflicting tx", func(t *testing.T) {
|
|
tx1 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100000)
|
|
tx1.NetworkFee = 20_000_000 * native.GASFactor
|
|
tx1.ValidUntilBlock = 1
|
|
addSender(t, tx1)
|
|
signTx(t, srv.Chain.FeePerByte(), tx1)
|
|
tx2 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100000)
|
|
tx2.NetworkFee = 20_000_000 * native.GASFactor
|
|
tx2.ValidUntilBlock = 1
|
|
addSender(t, tx2)
|
|
signTx(t, srv.Chain.FeePerByte(), tx2)
|
|
require.NoError(t, srv.Chain.PoolTx(tx1))
|
|
require.Error(t, srv.Chain.PoolTx(tx2))
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, tx2)
|
|
require.True(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("bad old", func(t *testing.T) {
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0)
|
|
b.Index = srv.Chain.BlockHeight()
|
|
require.False(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("bad big size", func(t *testing.T) {
|
|
script := make([]byte, int(srv.Chain.GetMaxBlockSize()))
|
|
script[0] = byte(opcode.RET)
|
|
tx := transaction.New(netmode.UnitTestNet, script, 100000)
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, tx)
|
|
require.False(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("bad tx", func(t *testing.T) {
|
|
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100000)
|
|
tx.ValidUntilBlock = 1
|
|
addSender(t, tx)
|
|
signTx(t, srv.Chain.FeePerByte(), tx)
|
|
tx.Scripts[0].InvocationScript[16] = ^tx.Scripts[0].InvocationScript[16]
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, tx)
|
|
require.False(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
t.Run("bad big sys fee", func(t *testing.T) {
|
|
txes := make([]*transaction.Transaction, 2)
|
|
for i := range txes {
|
|
txes[i] = transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, srv.Chain.GetMaxBlockSystemFee()/2+1)
|
|
txes[i].ValidUntilBlock = 1
|
|
addSender(t, txes[i])
|
|
signTx(t, srv.Chain.FeePerByte(), txes[i])
|
|
}
|
|
b := testchain.NewBlock(t, srv.Chain, 1, 0, txes...)
|
|
require.False(t, srv.verifyBlock(&neoBlock{Block: *b}))
|
|
})
|
|
}
|
|
|
|
func shouldReceive(t *testing.T, ch chan Payload) {
|
|
select {
|
|
case <-ch:
|
|
default:
|
|
require.Fail(t, "missing expected message")
|
|
}
|
|
}
|
|
|
|
func shouldNotReceive(t *testing.T, ch chan Payload) {
|
|
select {
|
|
case <-ch:
|
|
require.Fail(t, "unexpected message receive")
|
|
default:
|
|
}
|
|
}
|
|
|
|
func newTestService(t *testing.T) *service {
|
|
srv, err := NewService(Config{
|
|
Logger: zaptest.NewLogger(t),
|
|
Broadcast: func(*Payload) {},
|
|
Chain: newTestChain(t),
|
|
RequestTx: func(...util.Uint256) {},
|
|
Wallet: &config.Wallet{
|
|
Path: "./testdata/wallet1.json",
|
|
Password: "one",
|
|
},
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
return srv.(*service)
|
|
}
|
|
|
|
func getTestValidator(i int) (*privateKey, *publicKey) {
|
|
key := testchain.PrivateKey(i)
|
|
return &privateKey{PrivateKey: key}, &publicKey{PublicKey: key.PublicKey()}
|
|
}
|
|
|
|
func newTestChain(t *testing.T) *core.Blockchain {
|
|
unitTestNetCfg, err := config.Load("../../config", netmode.UnitTestNet)
|
|
require.NoError(t, err)
|
|
|
|
chain, err := core.NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
|
|
require.NoError(t, err)
|
|
|
|
go chain.Run()
|
|
|
|
return chain
|
|
}
|
|
|
|
var neoOwner = testchain.MultisigScriptHash()
|
|
|
|
func addSender(t *testing.T, txs ...*transaction.Transaction) {
|
|
for _, tx := range txs {
|
|
tx.Signers = []transaction.Signer{
|
|
{
|
|
Account: neoOwner,
|
|
},
|
|
}
|
|
}
|
|
}
|
|
|
|
func signTx(t *testing.T, feePerByte int64, txs ...*transaction.Transaction) {
|
|
validators := make([]*keys.PublicKey, 4)
|
|
privNetKeys := make([]*keys.PrivateKey, 4)
|
|
for i := 0; i < 4; i++ {
|
|
privNetKeys[i] = testchain.PrivateKey(i)
|
|
validators[i] = privNetKeys[i].PublicKey()
|
|
}
|
|
privNetKeys = privNetKeys[:3]
|
|
rawScript, err := smartcontract.CreateMultiSigRedeemScript(3, validators)
|
|
require.NoError(t, err)
|
|
for _, tx := range txs {
|
|
size := io.GetVarSize(tx)
|
|
netFee, sizeDelta := core.CalculateNetworkFee(rawScript)
|
|
tx.NetworkFee += +netFee
|
|
size += sizeDelta
|
|
tx.NetworkFee += int64(size) * feePerByte
|
|
data := tx.GetSignedPart()
|
|
|
|
buf := io.NewBufBinWriter()
|
|
for _, key := range privNetKeys {
|
|
signature := key.Sign(data)
|
|
emit.Bytes(buf.BinWriter, signature)
|
|
}
|
|
|
|
tx.Scripts = []transaction.Witness{{
|
|
InvocationScript: buf.Bytes(),
|
|
VerificationScript: rawScript,
|
|
}}
|
|
}
|
|
}
|