mirror of
https://github.com/nspcc-dev/neo-go.git
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309 lines
8.3 KiB
Go
309 lines
8.3 KiB
Go
package main
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import (
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"bytes"
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"errors"
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"io"
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"io/ioutil"
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"math"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/cli/input"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/consensus"
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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/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/network"
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"github.com/nspcc-dev/neo-go/pkg/rpc/server"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/stretchr/testify/require"
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"github.com/urfave/cli"
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"go.uber.org/zap"
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"go.uber.org/zap/zaptest"
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"golang.org/x/term"
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)
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const (
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validatorWIF = "KxyjQ8eUa4FHt3Gvioyt1Wz29cTUrE4eTqX3yFSk1YFCsPL8uNsY"
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validatorAddr = "NfgHwwTi3wHAS8aFAN243C5vGbkYDpqLHP"
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multisigAddr = "NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq"
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testWalletPath = "testdata/testwallet.json"
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testWalletAccount = "Nfyz4KcsgYepRJw1W5C2uKCi6QWKf7v6gG"
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validatorWallet = "testdata/wallet1_solo.json"
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validatorPass = "one"
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)
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var (
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validatorHash, _ = address.StringToUint160(validatorAddr)
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validatorPriv, _ = keys.NewPrivateKeyFromWIF(validatorWIF)
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)
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// executor represents context for a test instance.
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// It can be safely used in multiple tests, but not in parallel.
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type executor struct {
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// CLI is a cli application to test.
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CLI *cli.App
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// Chain is a blockchain instance (can be empty).
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Chain *core.Blockchain
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// RPC is an RPC server to query (can be empty).
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RPC *server.Server
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// NetSrv is a network server (can be empty).
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NetSrv *network.Server
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// Out contains command output.
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Out *ConcurrentBuffer
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// Err contains command errors.
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Err *bytes.Buffer
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// In contains command input.
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In *bytes.Buffer
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}
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// ConcurrentBuffer is a wrapper over Buffer with mutex.
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type ConcurrentBuffer struct {
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lock sync.RWMutex
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buf *bytes.Buffer
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}
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// NewConcurrentBuffer returns new ConcurrentBuffer with underlying buffer initialized.
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func NewConcurrentBuffer() *ConcurrentBuffer {
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return &ConcurrentBuffer{
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buf: bytes.NewBuffer(nil),
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}
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}
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// Write is a concurrent wrapper over the corresponding method of bytes.Buffer.
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func (w *ConcurrentBuffer) Write(p []byte) (int, error) {
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w.lock.Lock()
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defer w.lock.Unlock()
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return w.buf.Write(p)
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}
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// ReadString is a concurrent wrapper over the corresponding method of bytes.Buffer.
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func (w *ConcurrentBuffer) ReadString(delim byte) (string, error) {
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w.lock.RLock()
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defer w.lock.RUnlock()
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return w.buf.ReadString(delim)
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}
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// Bytes is a concurrent wrapper over the corresponding method of bytes.Buffer.
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func (w *ConcurrentBuffer) Bytes() []byte {
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w.lock.RLock()
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defer w.lock.RUnlock()
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return w.buf.Bytes()
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}
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// String is a concurrent wrapper over the corresponding method of bytes.Buffer.
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func (w *ConcurrentBuffer) String() string {
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w.lock.RLock()
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defer w.lock.RUnlock()
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return w.buf.String()
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}
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// Reset is a concurrent wrapper over the corresponding method of bytes.Buffer.
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func (w *ConcurrentBuffer) Reset() {
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w.lock.Lock()
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defer w.lock.Unlock()
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w.buf.Reset()
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}
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func newTestChain(t *testing.T, f func(*config.Config), run bool) (*core.Blockchain, *server.Server, *network.Server) {
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configPath := "../config/protocol.unit_testnet.single.yml"
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cfg, err := config.LoadFile(configPath)
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require.NoError(t, err, "could not load config")
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if f != nil {
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f(&cfg)
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}
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memoryStore := storage.NewMemoryStore()
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logger := zaptest.NewLogger(t)
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chain, err := core.NewBlockchain(memoryStore, cfg.ProtocolConfiguration, logger)
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require.NoError(t, err, "could not create chain")
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if run {
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go chain.Run()
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}
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serverConfig := network.NewServerConfig(cfg)
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netSrv, err := network.NewServer(serverConfig, chain, chain.GetStateSyncModule(), zap.NewNop())
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require.NoError(t, err)
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cons, err := consensus.NewService(consensus.Config{
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Logger: zap.NewNop(),
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Broadcast: netSrv.BroadcastExtensible,
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Chain: chain,
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ProtocolConfiguration: chain.GetConfig(),
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RequestTx: netSrv.RequestTx,
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Wallet: serverConfig.Wallet,
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TimePerBlock: serverConfig.TimePerBlock,
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})
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require.NoError(t, err)
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netSrv.AddExtensibleHPService(cons, consensus.Category, cons.OnPayload, cons.OnTransaction)
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go netSrv.Start(make(chan error, 1))
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rpcServer := server.New(chain, cfg.ApplicationConfiguration.RPC, netSrv, nil, logger)
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errCh := make(chan error, 2)
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rpcServer.Start(errCh)
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return chain, &rpcServer, netSrv
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}
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func newExecutor(t *testing.T, needChain bool) *executor {
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return newExecutorWithConfig(t, needChain, true, nil)
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}
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func newExecutorSuspended(t *testing.T) *executor {
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return newExecutorWithConfig(t, true, false, nil)
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}
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func newExecutorWithConfig(t *testing.T, needChain, runChain bool, f func(*config.Config)) *executor {
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e := &executor{
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CLI: newApp(),
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Out: NewConcurrentBuffer(),
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Err: bytes.NewBuffer(nil),
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In: bytes.NewBuffer(nil),
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}
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e.CLI.Writer = e.Out
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e.CLI.ErrWriter = e.Err
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if needChain {
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e.Chain, e.RPC, e.NetSrv = newTestChain(t, f, runChain)
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}
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t.Cleanup(func() {
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e.Close(t)
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})
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return e
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}
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func (e *executor) Close(t *testing.T) {
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input.Terminal = nil
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if e.RPC != nil {
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require.NoError(t, e.RPC.Shutdown())
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}
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if e.NetSrv != nil {
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e.NetSrv.Shutdown()
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}
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if e.Chain != nil {
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e.Chain.Close()
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}
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}
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// GetTransaction returns tx with hash h after it has persisted.
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// If it is in mempool, we can just wait for the next block, otherwise
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// it must be already in chain. 1 second is time per block in a unittest chain.
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func (e *executor) GetTransaction(t *testing.T, h util.Uint256) (*transaction.Transaction, uint32) {
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var tx *transaction.Transaction
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var height uint32
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require.Eventually(t, func() bool {
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var err error
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tx, height, err = e.Chain.GetTransaction(h)
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return err == nil && height != math.MaxUint32
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}, time.Second*2, time.Millisecond*100, "too long time waiting for block")
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return tx, height
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}
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func (e *executor) getNextLine(t *testing.T) string {
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line, err := e.Out.ReadString('\n')
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require.NoError(t, err)
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return strings.TrimSuffix(line, "\n")
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}
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func (e *executor) checkNextLine(t *testing.T, expected string) {
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line := e.getNextLine(t)
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e.checkLine(t, line, expected)
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}
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func (e *executor) checkLine(t *testing.T, line, expected string) {
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require.Regexp(t, expected, line)
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}
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func (e *executor) checkEOF(t *testing.T) {
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_, err := e.Out.ReadString('\n')
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require.True(t, errors.Is(err, io.EOF))
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}
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func setExitFunc() <-chan int {
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ch := make(chan int, 1)
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cli.OsExiter = func(code int) {
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ch <- code
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}
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return ch
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}
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func checkExit(t *testing.T, ch <-chan int, code int) {
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select {
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case c := <-ch:
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require.Equal(t, code, c)
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default:
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if code != 0 {
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require.Fail(t, "no exit was called")
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}
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}
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}
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// RunWithError runs command and checks that is exits with error.
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func (e *executor) RunWithError(t *testing.T, args ...string) {
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ch := setExitFunc()
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require.Error(t, e.run(args...))
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checkExit(t, ch, 1)
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}
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// Run runs command and checks that there were no errors.
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func (e *executor) Run(t *testing.T, args ...string) {
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ch := setExitFunc()
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require.NoError(t, e.run(args...))
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checkExit(t, ch, 0)
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}
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func (e *executor) run(args ...string) error {
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e.Out.Reset()
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e.Err.Reset()
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input.Terminal = term.NewTerminal(input.ReadWriter{
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Reader: e.In,
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Writer: ioutil.Discard,
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}, "")
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err := e.CLI.Run(args)
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input.Terminal = nil
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e.In.Reset()
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return err
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}
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func (e *executor) checkTxPersisted(t *testing.T, prefix ...string) (*transaction.Transaction, uint32) {
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line, err := e.Out.ReadString('\n')
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require.NoError(t, err)
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line = strings.TrimSpace(line)
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if len(prefix) > 0 {
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line = strings.TrimPrefix(line, prefix[0])
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}
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h, err := util.Uint256DecodeStringLE(line)
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require.NoError(t, err, "can't decode tx hash: %s", line)
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tx, height := e.GetTransaction(t, h)
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aer, err := e.Chain.GetAppExecResults(tx.Hash(), trigger.Application)
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require.NoError(t, err)
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require.Equal(t, 1, len(aer))
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require.Equal(t, vm.HaltState, aer[0].VMState)
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return tx, height
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}
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func generateKeys(t *testing.T, n int) ([]*keys.PrivateKey, keys.PublicKeys) {
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privs := make([]*keys.PrivateKey, n)
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pubs := make(keys.PublicKeys, n)
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for i := range privs {
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var err error
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privs[i], err = keys.NewPrivateKey()
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require.NoError(t, err)
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pubs[i] = privs[i].PublicKey()
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}
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return privs, pubs
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}
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