Golang consensus.New函數代碼示例

// TestExplorerGenesisHeight checks that when the explorer is initialized and given the
// genesis block, the result has the correct height.
func TestExplorerGenesisHeight(t *testing.T) {
	// Create the dependencies.
	testdir := build.TempDir(modules.HostDir, "TestExplorerGenesisHeight")
	g, err := gateway.New("localhost:0", false, filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal(err)
	}
	cs, err := consensus.New(g, false, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal(err)
	}

	// Create the explorer - from the subscription only the genesis block will
	// be received.
	e, err := New(cs, testdir)
	if err != nil {
		t.Fatal(err)
	}
	block, height, exists := e.Block(types.GenesisID)
	if !exists {
		t.Error("explorer missing genesis block after initialization")
	}
	if block.ID() != types.GenesisID {
		t.Error("explorer returned wrong genesis block")
	}
	if height != 0 {
		t.Errorf("genesis block hash wrong height: expected 0, got %v", height)
	}
}

// newRenterTester creates a ready-to-use renter tester with money in the
// wallet.
func newRenterTester(name string) (*renterTester, error) {
	// Create the modules.
	testdir := build.TempDir("renter", name)
	g, err := gateway.New("localhost:0", false, filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, false, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g, filepath.Join(testdir, modules.TransactionPoolDir))
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	key, err := crypto.GenerateTwofishKey()
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(key)
	if err != nil {
		return nil, err
	}
	r, err := New(cs, w, tp, filepath.Join(testdir, modules.RenterDir))
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}

	// Assemble all pieces into a renter tester.
	rt := &renterTester{
		cs:      cs,
		gateway: g,
		miner:   m,
		tpool:   tp,
		wallet:  w,

		renter: r,
	}

	// Mine blocks until there is money in the wallet.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		_, err := rt.miner.AddBlock()
		if err != nil {
			return nil, err
		}
	}
	return rt, nil
}

// createExplorerTester creates a tester object for the explorer module.
func createExplorerTester(name string) (*explorerTester, error) {
	// Create and assemble the dependencies.
	testdir := build.TempDir(modules.HostDir, name)
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	key, err := crypto.GenerateTwofishKey()
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(key)
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.RenterDir))
	if err != nil {
		return nil, err
	}
	e, err := New(cs, filepath.Join(testdir, modules.ExplorerDir))
	if err != nil {
		return nil, err
	}
	et := &explorerTester{
		cs:        cs,
		gateway:   g,
		miner:     m,
		tpool:     tp,
		wallet:    w,
		walletKey: key,

		explorer: e,
	}

	// Mine until the wallet has money.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		b, _ := et.miner.FindBlock()
		err = et.cs.AcceptBlock(b)
		if err != nil {
			return nil, err
		}
	}
	return et, nil
}

// createMinerTester creates a minerTester that's ready for use.
func createMinerTester(name string) (*minerTester, error) {
	testdir := build.TempDir(modules.MinerDir, name)

	// Create the modules.
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	var key crypto.TwofishKey
	_, err = rand.Read(key[:])
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(key)
	if err != nil {
		return nil, err
	}
	m, err := New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}

	// Assemble the minerTester.
	mt := &minerTester{
		gateway:   g,
		cs:        cs,
		tpool:     tp,
		wallet:    w,
		walletKey: key,

		miner: m,
	}

	// Mine until the wallet has money.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		b, _ := m.FindBlock()
		err = cs.AcceptBlock(b)
		if err != nil {
			return nil, err
		}
	}

	return mt, nil
}

// TestIntegrationWalletBlankEncrypt tries to encrypt and unlock the wallet
// through the api using a blank encryption key - meaning that the wallet seed
// returned by the encryption call can be used as the encryption key.
func TestIntegrationWalletBlankEncrypt(t *testing.T) {
	if testing.Short() {
		t.SkipNow()
	}
	// Create a server object without encrypting or unlocking the wallet.
	testdir := build.TempDir("api", "TestIntegrationWalletBlankEncrypt")
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal(err)
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal(err)
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		t.Fatal(err)
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		t.Fatal(err)
	}
	srv, err := NewServer(":0", cs, g, nil, nil, nil, nil, tp, w, nil)
	if err != nil {
		t.Fatal(err)
	}
	// Assemble the serverTester.
	st := &serverTester{
		cs:      cs,
		gateway: g,
		tpool:   tp,
		wallet:  w,
		server:  srv,
	}
	go func() {
		listenErr := srv.Serve()
		if listenErr != nil {
			panic(listenErr)
		}
	}()

	// Make a call to /wallet/encrypt and get the seed. Provide no encryption
	// key so that the encryption key is the seed that gets returned.
	var wep WalletEncryptPOST
	err = st.postAPI("/wallet/encrypt", url.Values{}, &wep)
	if err != nil {
		t.Fatal(err)
	}
	// Use the seed to call /wallet/unlock.
	unlockValues := url.Values{}
	unlockValues.Set("encryptionpassword", wep.PrimarySeed)
	err = st.stdPostAPI("/wallet/unlock", unlockValues)
	if err != nil {
		t.Fatal(err)
	}
	// Check that the wallet actually unlocked.
	if !w.Unlocked() {
		t.Error("wallet is not unlocked")
	}
}

// createWalletTester takes a testing.T and creates a WalletTester.
func createWalletTester(name string) (*walletTester, error) {
	// Create the modules
	testdir := build.TempDir(modules.WalletDir, name)
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		return nil, err
	}
	w, err := New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	var masterKey crypto.TwofishKey
	_, err = rand.Read(masterKey[:])
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(masterKey)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(masterKey)
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}

	// Assemble all componenets into a wallet tester.
	wt := &walletTester{
		cs:      cs,
		gateway: g,
		tpool:   tp,
		miner:   m,
		wallet:  w,

		walletMasterKey: masterKey,

		persistDir: testdir,
	}

	// Mine blocks until there is money in the wallet.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		b, _ := wt.miner.FindBlock()
		err := wt.cs.AcceptBlock(b)
		if err != nil {
			return nil, err
		}
	}
	return wt, nil
}

// TestIntegrationNewNilInputs tries to trigger a panic with nil inputs.
func TestIntegrationNewNilInputs(t *testing.T) {
	// Create a gateway and consensus set.
	testdir := build.TempDir(modules.TransactionPoolDir, "TestNewNilInputs")
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal(err)
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal(err)
	}

	// Try all combinations of nil inputs.
	_, err = New(nil, nil)
	if err == nil {
		t.Error(err)
	}
	_, err = New(nil, g)
	if err != errNilCS {
		t.Error(err)
	}
	_, err = New(cs, nil)
	if err != errNilGateway {
		t.Error(err)
	}
	_, err = New(cs, g)
	if err != nil {
		t.Error(err)
	}
}

// TestNilInputs tries starting the wallet using nil inputs.
func TestNilInputs(t *testing.T) {
	testdir := build.TempDir(modules.WalletDir, "TestNilInputs")
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal(err)
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal(err)
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		t.Fatal(err)
	}

	wdir := filepath.Join(testdir, modules.WalletDir)
	_, err = New(cs, nil, wdir)
	if err != errNilTpool {
		t.Error(err)
	}
	_, err = New(nil, tp, wdir)
	if err != errNilConsensusSet {
		t.Error(err)
	}
	_, err = New(nil, nil, wdir)
	if err != errNilConsensusSet {
		t.Error(err)
	}
}

// newHostDBTester creates a ready-to-use hostdb tester with money in the
// wallet.
func newHostDBTester(name string) (*hostdbTester, error) {
	// Create the modules.
	testdir := build.TempDir("hostdb", name)
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		return nil, err
	}
	w, err := modWallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	key, err := crypto.GenerateTwofishKey()
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(key)
	if err != nil {
		return nil, err
	}
	hdb, err := New(cs, w, tp, filepath.Join(testdir, modules.RenterDir))
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}

	// Assemble all pieces into a hostdb tester.
	ht := &hostdbTester{
		cs:      cs,
		gateway: g,
		miner:   m,
		tpool:   tp,
		wallet:  w,

		hostdb: hdb,
	}

	// Mine blocks until there is money in the wallet.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		_, err := ht.miner.AddBlock()
		if err != nil {
			return nil, err
		}
	}
	return ht, nil
}

// TestCloseWallet tries to close the wallet.
func TestCloseWallet(t *testing.T) {
	if testing.Short() {
		t.Skip()
	}
	testdir := build.TempDir(modules.WalletDir, "TestCloseWallet")
	g, err := gateway.New("localhost:0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal(err)
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal(err)
	}
	tp, err := transactionpool.New(cs, g, filepath.Join(testdir, modules.TransactionPoolDir))
	if err != nil {
		t.Fatal(err)
	}
	wdir := filepath.Join(testdir, modules.WalletDir)
	w, err := New(cs, tp, wdir)
	if err != nil {
		t.Fatal(err)
	}
	if err := w.Close(); err != nil {
		t.Fatal(err)
	}
}

// createTpoolTester returns a ready-to-use tpool tester, with all modules
// initialized.
func createTpoolTester(name string) (*tpoolTester, error) {
	// Initialize the modules.
	testdir := build.TempDir(modules.TransactionPoolDir, name)
	g, err := gateway.New("localhost:0", false, filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, false, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := New(cs, g, filepath.Join(testdir, modules.TransactionPoolDir))
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	var key crypto.TwofishKey
	_, err = rand.Read(key[:])
	if err != nil {
		return nil, err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return nil, err
	}
	err = w.Unlock(key)
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}

	// Assemble all of the objects into a tpoolTester
	tpt := &tpoolTester{
		cs:        cs,
		gateway:   g,
		tpool:     tp,
		miner:     m,
		wallet:    w,
		walletKey: key,

		persistDir: testdir,
	}

	// Mine blocks until there is money in the wallet.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		b, _ := tpt.miner.FindBlock()
		err = tpt.cs.AcceptBlock(b)
		if err != nil {
			return nil, err
		}
	}

	return tpt, nil
}

// TestIntegrationWalletGETEncrypted probes the GET call to /wallet when the
// wallet has never been encrypted.
func TestIntegrationWalletGETEncrypted(t *testing.T) {
	if testing.Short() {
		t.SkipNow()
	}

	// Check a wallet that has never been encrypted.
	testdir := build.TempDir("api", "TestIntegrationWalletGETEncrypted")
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		t.Fatal("Failed to create gateway:", err)
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		t.Fatal("Failed to create consensus set:", err)
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		t.Fatal("Failed to create tpool:", err)
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		t.Fatal("Failed to create wallet:", err)
	}
	srv, err := NewServer(":0", "Sia-Agent", cs, nil, g, nil, nil, nil, tp, w)
	if err != nil {
		t.Fatal(err)
	}

	// Assemble the serverTester and start listening for api requests.
	st := &serverTester{
		cs:      cs,
		gateway: g,
		tpool:   tp,
		wallet:  w,

		server: srv,
	}
	go func() {
		listenErr := srv.Serve()
		if listenErr != nil {
			t.Fatal("API server quit:", listenErr)
		}
	}()
	defer st.server.Close()

	var wg WalletGET
	err = st.getAPI("/wallet", &wg)
	if err != nil {
		t.Fatal(err)
	}
	if wg.Encrypted {
		t.Error("Wallet has never been unlocked")
	}
	if wg.Unlocked {
		t.Error("Wallet has never been unlocked")
	}
}

// createMinerTester creates a minerTester that's ready for use.
func createMinerTester(name string) (*minerTester, error) {
	testdir := build.TempDir(modules.MinerDir, name)

	// Create the modules.
	g, err := gateway.New(":0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g)
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	m, err := New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}

	// Assemble the minerTester.
	mt := &minerTester{
		gateway: g,
		cs:      cs,
		tpool:   tp,
		wallet:  w,

		miner: m,

		csUpdateChan:     cs.ConsensusSetNotify(),
		minerUpdateChan:  m.MinerNotify(),
		tpoolUpdateChan:  tp.TransactionPoolNotify(),
		walletUpdateChan: w.WalletNotify(),
	}
	mt.csUpdateWait()

	// Mine until the wallet has money.
	for i := types.BlockHeight(0); i <= types.MaturityDelay; i++ {
		b, _ := m.FindBlock()
		err = cs.AcceptBlock(b)
		if err != nil {
			return nil, err
		}
		mt.csUpdateWait()
	}

	return mt, nil
}

// blankHostTester creates a host tester where the modules are created but no
// extra initialization has been done, for example no blocks have been mined
// and the wallet keys have not been created.
func blankHostTester(name string) (*hostTester, error) {
	testdir := build.TempDir(modules.HostDir, name)

	// Create the modules.
	g, err := gateway.New("localhost:0", filepath.Join(testdir, modules.GatewayDir))
	if err != nil {
		return nil, err
	}
	cs, err := consensus.New(g, filepath.Join(testdir, modules.ConsensusDir))
	if err != nil {
		return nil, err
	}
	tp, err := transactionpool.New(cs, g, filepath.Join(testdir, modules.TransactionPoolDir))
	if err != nil {
		return nil, err
	}
	w, err := wallet.New(cs, tp, filepath.Join(testdir, modules.WalletDir))
	if err != nil {
		return nil, err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(testdir, modules.MinerDir))
	if err != nil {
		return nil, err
	}
	h, err := New(cs, tp, w, "localhost:0", filepath.Join(testdir, modules.HostDir))
	if err != nil {
		return nil, err
	}
	/*
		r, err := renter.New(cs, w, tp, filepath.Join(testdir, modules.RenterDir))
		if err != nil {
			return nil, err
		}
	*/

	// Assemble all objects into a hostTester
	ht := &hostTester{
		cs:      cs,
		gateway: g,
		miner:   m,
		// renter:  r,
		tpool:  tp,
		wallet: w,

		host: h,

		persistDir: testdir,
	}

	return ht, nil
}

// reorgToBlank creates a bunch of empty blocks on top of the genesis block
// that reorgs the explorer to a state of all blank blocks.
func (et *explorerTester) reorgToBlank() error {
	// Get a unique directory name to house the persistence of the miner
	// dependencies.
	dir := et.testdir + " - " + persist.RandomSuffix()

	// Create a miner and all dependencies to create an alternate chain.
	g, err := gateway.New("localhost:0", false, filepath.Join(dir, modules.GatewayDir))
	if err != nil {
		return err
	}
	cs, err := consensus.New(g, false, filepath.Join(dir, modules.ConsensusDir))
	if err != nil {
		return err
	}
	tp, err := transactionpool.New(cs, g, filepath.Join(dir, modules.TransactionPoolDir))
	if err != nil {
		return err
	}
	w, err := wallet.New(cs, tp, filepath.Join(dir, modules.WalletDir))
	if err != nil {
		return err
	}
	key, err := crypto.GenerateTwofishKey()
	if err != nil {
		return err
	}
	_, err = w.Encrypt(key)
	if err != nil {
		return err
	}
	err = w.Unlock(key)
	if err != nil {
		return err
	}
	m, err := miner.New(cs, tp, w, filepath.Join(dir, modules.RenterDir))
	if err != nil {
		return err
	}

	// Mine blocks until the height is higher than the existing consensus,
	// submitting each block to the explorerTester.
	currentHeight := cs.Height()
	for i := types.BlockHeight(0); i <= currentHeight+1; i++ {
		block, err := m.AddBlock()
		if err != nil {
			return err
		}
		et.cs.AcceptBlock(block) // error is not checked, will not always be nil
	}
	return nil
}