mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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264 lines
6.0 KiB
Go
264 lines
6.0 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// go-ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"runtime"
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"testing"
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"time"
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"github.com/docker/docker/pkg/reexec"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/internal/cmdtest"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/swarm"
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)
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func init() {
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// Run the app if we've been exec'd as "swarm-test" in runSwarm.
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reexec.Register("swarm-test", func() {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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os.Exit(0)
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})
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}
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func TestMain(m *testing.M) {
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// check if we have been reexec'd
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if reexec.Init() {
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return
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}
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os.Exit(m.Run())
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}
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func runSwarm(t *testing.T, args ...string) *cmdtest.TestCmd {
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tt := cmdtest.NewTestCmd(t, nil)
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// Boot "swarm". This actually runs the test binary but the TestMain
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// function will prevent any tests from running.
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tt.Run("swarm-test", args...)
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return tt
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}
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type testCluster struct {
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Nodes []*testNode
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TmpDir string
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}
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// newTestCluster starts a test swarm cluster of the given size.
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//
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// A temporary directory is created and each node gets a data directory inside
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// it.
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//
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// Each node listens on 127.0.0.1 with random ports for both the HTTP and p2p
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// ports (assigned by first listening on 127.0.0.1:0 and then passing the ports
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// as flags).
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//
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// When starting more than one node, they are connected together using the
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// admin SetPeer RPC method.
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func newTestCluster(t *testing.T, size int) *testCluster {
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cluster := &testCluster{}
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defer func() {
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if t.Failed() {
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cluster.Shutdown()
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}
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}()
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tmpdir, err := ioutil.TempDir("", "swarm-test")
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if err != nil {
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t.Fatal(err)
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}
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cluster.TmpDir = tmpdir
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// start the nodes
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cluster.Nodes = make([]*testNode, 0, size)
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for i := 0; i < size; i++ {
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dir := filepath.Join(cluster.TmpDir, fmt.Sprintf("swarm%02d", i))
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if err := os.Mkdir(dir, 0700); err != nil {
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t.Fatal(err)
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}
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node := newTestNode(t, dir)
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node.Name = fmt.Sprintf("swarm%02d", i)
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cluster.Nodes = append(cluster.Nodes, node)
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}
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if size == 1 {
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return cluster
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}
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// connect the nodes together
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for _, node := range cluster.Nodes {
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if err := node.Client.Call(nil, "admin_addPeer", cluster.Nodes[0].Enode); err != nil {
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t.Fatal(err)
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}
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}
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// wait until all nodes have the correct number of peers
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outer:
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for _, node := range cluster.Nodes {
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var peers []*p2p.PeerInfo
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for start := time.Now(); time.Since(start) < time.Minute; time.Sleep(50 * time.Millisecond) {
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if err := node.Client.Call(&peers, "admin_peers"); err != nil {
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t.Fatal(err)
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}
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if len(peers) == len(cluster.Nodes)-1 {
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continue outer
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}
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}
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t.Fatalf("%s only has %d / %d peers", node.Name, len(peers), len(cluster.Nodes)-1)
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}
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return cluster
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}
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func (c *testCluster) Shutdown() {
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for _, node := range c.Nodes {
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node.Shutdown()
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}
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os.RemoveAll(c.TmpDir)
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}
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type testNode struct {
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Name string
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Addr string
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URL string
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Enode string
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Dir string
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Client *rpc.Client
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Cmd *cmdtest.TestCmd
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}
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const testPassphrase = "swarm-test-passphrase"
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func getTestAccount(t *testing.T, dir string) (conf *node.Config, account accounts.Account) {
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// create key
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conf = &node.Config{
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DataDir: dir,
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IPCPath: "bzzd.ipc",
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NoUSB: true,
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}
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n, err := node.New(conf)
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if err != nil {
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t.Fatal(err)
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}
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account, err = n.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore).NewAccount(testPassphrase)
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if err != nil {
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t.Fatal(err)
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}
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// use a unique IPCPath when running tests on Windows
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if runtime.GOOS == "windows" {
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conf.IPCPath = fmt.Sprintf("bzzd-%s.ipc", account.Address.String())
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}
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return conf, account
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}
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func newTestNode(t *testing.T, dir string) *testNode {
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conf, account := getTestAccount(t, dir)
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node := &testNode{Dir: dir}
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// assign ports
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httpPort, err := assignTCPPort()
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if err != nil {
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t.Fatal(err)
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}
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p2pPort, err := assignTCPPort()
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if err != nil {
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t.Fatal(err)
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}
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// start the node
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node.Cmd = runSwarm(t,
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"--port", p2pPort,
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"--nodiscover",
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"--datadir", dir,
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"--ipcpath", conf.IPCPath,
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"--ens-api", "",
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"--bzzaccount", account.Address.String(),
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"--bzznetworkid", "321",
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"--bzzport", httpPort,
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"--verbosity", "6",
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)
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node.Cmd.InputLine(testPassphrase)
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defer func() {
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if t.Failed() {
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node.Shutdown()
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}
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}()
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// wait for the node to start
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for start := time.Now(); time.Since(start) < 10*time.Second; time.Sleep(50 * time.Millisecond) {
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node.Client, err = rpc.Dial(conf.IPCEndpoint())
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if err == nil {
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break
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}
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}
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if node.Client == nil {
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t.Fatal(err)
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}
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// load info
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var info swarm.Info
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if err := node.Client.Call(&info, "bzz_info"); err != nil {
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t.Fatal(err)
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}
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node.Addr = net.JoinHostPort("127.0.0.1", info.Port)
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node.URL = "http://" + node.Addr
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var nodeInfo p2p.NodeInfo
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if err := node.Client.Call(&nodeInfo, "admin_nodeInfo"); err != nil {
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t.Fatal(err)
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}
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node.Enode = fmt.Sprintf("enode://%s@127.0.0.1:%s", nodeInfo.ID, p2pPort)
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return node
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}
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func (n *testNode) Shutdown() {
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if n.Cmd != nil {
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n.Cmd.Kill()
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}
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}
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func assignTCPPort() (string, error) {
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l, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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return "", err
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}
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l.Close()
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_, port, err := net.SplitHostPort(l.Addr().String())
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if err != nil {
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return "", err
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}
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return port, nil
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}
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