neoneo-go/pkg/consensus/consensus_test.go
Evgenii Stratonikov 1e50016a91 core,test: move helper functions for testchain to the internal package
Our test chain is used in core,rpc and (in future) interop packages.
It is better to have all related declarations in one place to avoid
code duplication.
2020-04-22 18:17:11 +03:00

275 lines
7 KiB
Go

package consensus
import (
"encoding/hex"
"fmt"
"testing"
"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/core"
"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/hash"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/internal/testchain"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/require"
"go.uber.org/zap/zaptest"
)
func TestNewService(t *testing.T) {
srv := newTestService(t)
tx := transaction.NewMinerTX()
tx.ValidUntilBlock = 1
addSender(t, tx)
signTx(t, tx)
require.NoError(t, srv.Chain.PoolTx(tx))
var txx []block.Transaction
require.NotPanics(t, func() { txx = srv.getVerifiedTx(1) })
require.Len(t, txx, 2)
require.Equal(t, tx, txx[1])
srv.Chain.Close()
}
func TestService_GetVerified(t *testing.T) {
srv := newTestService(t)
var txs []*transaction.Transaction
for i := 0; i < 4; i++ {
tx := transaction.NewMinerTXWithNonce(123 + uint32(i))
tx.ValidUntilBlock = 1
txs = append(txs, tx)
}
addSender(t, txs...)
signTx(t, txs...)
require.NoError(t, srv.Chain.PoolTx(txs[3]))
hashes := []util.Uint256{txs[0].Hash(), txs[1].Hash(), txs[2].Hash()}
p := new(Payload)
p.message = &message{}
p.SetType(payload.PrepareRequestType)
p.SetPayload(&prepareRequest{transactionHashes: hashes, minerTx: *transaction.NewMinerTXWithNonce(999)})
p.SetValidatorIndex(1)
priv, _ := getTestValidator(1)
require.NoError(t, p.Sign(priv))
srv.OnPayload(p)
require.Equal(t, hashes, srv.lastProposal)
srv.dbft.ViewNumber = 1
t.Run("new transactions will be proposed in case of failure", func(t *testing.T) {
txx := srv.getVerifiedTx(10)
require.Equal(t, 2, len(txx), "there is only 1 tx in mempool")
require.Equal(t, txs[3], txx[1])
})
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(10)
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.NewMinerTXWithNonce(1234)
tx.ValidUntilBlock = 1
addSender(t, tx)
signTx(t, 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.NewMinerTXWithNonce(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)
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 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: &wallet.Config{
Path: "./testdata/wallet1.json",
Password: "one",
},
})
require.NoError(t, err)
return srv.(*service)
}
func TestExport(t *testing.T) {
_, pub := getTestValidator(3)
s, _ := smartcontract.CreateMultiSigRedeemScript(1, keys.PublicKeys{pub.PublicKey})
fmt.Println(hex.EncodeToString(s))
u := hash.Hash160(s)
fmt.Println(address.Uint160ToString(u))
}
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", config.ModeUnitTestNet)
require.NoError(t, err)
chain, err := core.NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
require.NoError(t, err)
go chain.Run()
return chain
}
type feer struct{}
func (fs *feer) NetworkFee(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
func (fs *feer) IsLowPriority(util.Fixed8) bool { return false }
func (fs *feer) FeePerByte(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
func (fs *feer) SystemFee(*transaction.Transaction) util.Fixed8 { return util.Fixed8(0) }
func addSender(t *testing.T, txs ...*transaction.Transaction) {
// multisig address which possess all NEO
scriptHash := testchain.MultisigScriptHash()
for _, tx := range txs {
tx.Sender = scriptHash
}
}
func signTx(t *testing.T, txs ...*transaction.Transaction) {
validators := make([]*keys.PublicKey, 4)
privNetKeys := make([]*keys.PrivateKey, 4)
for i := 0; i < 4; i++ {
privateKey, publicKey := getTestValidator(i)
validators[i] = publicKey.PublicKey
privNetKeys[i] = privateKey.PrivateKey
}
rawScript, err := smartcontract.CreateMultiSigRedeemScript(3, validators)
require.NoError(t, err)
for _, tx := range txs {
data := tx.GetSignedPart()
var invoc []byte
for _, key := range privNetKeys {
signature := key.Sign(data)
invoc = append(invoc, append([]byte{byte(opcode.PUSHBYTES64)}, signature...)...)
}
tx.Scripts = []transaction.Witness{{
InvocationScript: invoc,
VerificationScript: rawScript,
}}
}
}