271 lines
6.7 KiB
Go
271 lines
6.7 KiB
Go
package consensus
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import (
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"testing"
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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/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/internal/testchain"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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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.NewContractTX()
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tx.ValidUntilBlock = 1
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addSender(t, tx)
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signTx(t, srv.Chain.FeePerByte(), tx)
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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(1) })
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require.Len(t, txx, 1)
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require.Equal(t, tx, txx[0])
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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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var txs []*transaction.Transaction
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for i := 0; i < 4; i++ {
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tx := transaction.NewContractTX()
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tx.Nonce = 123 + uint32(i)
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tx.ValidUntilBlock = 1
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txs = append(txs, tx)
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}
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addSender(t, txs...)
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signTx(t, srv.Chain.FeePerByte(), txs...)
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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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p := new(Payload)
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p.message = &message{}
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p.SetType(payload.PrepareRequestType)
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tx := transaction.NewContractTX()
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tx.Nonce = 999
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p.SetPayload(&prepareRequest{transactionHashes: hashes})
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p.SetValidatorIndex(1)
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priv, _ := getTestValidator(1)
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require.NoError(t, p.Sign(priv))
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srv.OnPayload(p)
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require.Equal(t, hashes, srv.lastProposal)
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srv.dbft.ViewNumber = 1
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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(10)
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require.Equal(t, 1, len(txx), "there is only 1 tx in mempool")
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require.Equal(t, txs[3], txx[0])
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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(10)
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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 := transaction.NewContractTX()
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tx.Nonce = 1234
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tx.ValidUntilBlock = 1
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addSender(t, tx)
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signTx(t, srv.Chain.FeePerByte(), tx)
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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 := transaction.NewContractTX()
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tx.Nonce = 4321
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tx.ValidUntilBlock = 1
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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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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(*Payload) {},
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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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key := testchain.PrivateKey(i)
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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) IsLowPriority(util.Fixed8) bool { return false }
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var neoOwner = testchain.MultisigScriptHash()
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func addSender(t *testing.T, txs ...*transaction.Transaction) {
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for _, tx := range txs {
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tx.Sender = neoOwner
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}
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}
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func signTx(t *testing.T, feePerByte util.Fixed8, txs ...*transaction.Transaction) {
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validators := make([]*keys.PublicKey, 4)
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privNetKeys := make([]*keys.PrivateKey, 4)
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for i := 0; i < 4; i++ {
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privateKey, publicKey := getTestValidator(i)
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validators[i] = publicKey.PublicKey
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privNetKeys[i] = privateKey.PrivateKey
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}
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rawScript, err := smartcontract.CreateMultiSigRedeemScript(3, validators)
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require.NoError(t, err)
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for _, tx := range txs {
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size := io.GetVarSize(tx)
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netFee, sizeDelta := core.CalculateNetworkFee(rawScript)
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tx.NetworkFee = tx.NetworkFee.Add(netFee)
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size += sizeDelta
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tx.NetworkFee = tx.NetworkFee.Add(util.Fixed8(int64(size) * int64(feePerByte)))
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data := tx.GetSignedPart()
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buf := io.NewBufBinWriter()
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for _, key := range privNetKeys {
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signature := key.Sign(data)
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emit.Bytes(buf.BinWriter, signature)
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}
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tx.Scripts = []transaction.Witness{{
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InvocationScript: buf.Bytes(),
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VerificationScript: rawScript,
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}}
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}
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}
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