mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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241 lines
5.5 KiB
Go
241 lines
5.5 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package network
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import (
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"flag"
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"fmt"
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"os"
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"sync"
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"testing"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/protocols"
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p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
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)
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var (
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loglevel = flag.Int("loglevel", 2, "verbosity of logs")
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)
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func init() {
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flag.Parse()
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log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(os.Stderr, log.TerminalFormat(true))))
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}
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type testStore struct {
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sync.Mutex
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values map[string][]byte
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}
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func newTestStore() *testStore {
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return &testStore{values: make(map[string][]byte)}
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}
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func (t *testStore) Load(key string) ([]byte, error) {
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t.Lock()
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defer t.Unlock()
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v, ok := t.values[key]
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if !ok {
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return nil, fmt.Errorf("key not found: %s", key)
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}
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return v, nil
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}
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func (t *testStore) Save(key string, v []byte) error {
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t.Lock()
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defer t.Unlock()
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t.values[key] = v
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return nil
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}
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func HandshakeMsgExchange(lhs, rhs *HandshakeMsg, id discover.NodeID) []p2ptest.Exchange {
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return []p2ptest.Exchange{
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{
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Expects: []p2ptest.Expect{
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{
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Code: 0,
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Msg: lhs,
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Peer: id,
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},
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},
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},
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{
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Triggers: []p2ptest.Trigger{
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{
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Code: 0,
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Msg: rhs,
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Peer: id,
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},
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},
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},
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}
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}
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func newBzzBaseTester(t *testing.T, n int, addr *BzzAddr, spec *protocols.Spec, run func(*BzzPeer) error) *bzzTester {
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cs := make(map[string]chan bool)
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srv := func(p *BzzPeer) error {
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defer func() {
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if cs[p.ID().String()] != nil {
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close(cs[p.ID().String()])
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}
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}()
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return run(p)
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}
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protocol := func(p *p2p.Peer, rw p2p.MsgReadWriter) error {
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return srv(&BzzPeer{
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Peer: protocols.NewPeer(p, rw, spec),
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localAddr: addr,
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BzzAddr: NewAddrFromNodeID(p.ID()),
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})
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}
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s := p2ptest.NewProtocolTester(t, NewNodeIDFromAddr(addr), n, protocol)
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for _, id := range s.IDs {
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cs[id.String()] = make(chan bool)
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}
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return &bzzTester{
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addr: addr,
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ProtocolTester: s,
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cs: cs,
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}
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}
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type bzzTester struct {
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*p2ptest.ProtocolTester
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addr *BzzAddr
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cs map[string]chan bool
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}
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func newBzzHandshakeTester(t *testing.T, n int, addr *BzzAddr) *bzzTester {
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config := &BzzConfig{
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OverlayAddr: addr.Over(),
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UnderlayAddr: addr.Under(),
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HiveParams: NewHiveParams(),
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NetworkID: DefaultNetworkID,
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}
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kad := NewKademlia(addr.OAddr, NewKadParams())
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bzz := NewBzz(config, kad, nil, nil, nil)
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s := p2ptest.NewProtocolTester(t, NewNodeIDFromAddr(addr), 1, bzz.runBzz)
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return &bzzTester{
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addr: addr,
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ProtocolTester: s,
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}
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}
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// should test handshakes in one exchange? parallelisation
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func (s *bzzTester) testHandshake(lhs, rhs *HandshakeMsg, disconnects ...*p2ptest.Disconnect) error {
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var peers []discover.NodeID
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id := NewNodeIDFromAddr(rhs.Addr)
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if len(disconnects) > 0 {
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for _, d := range disconnects {
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peers = append(peers, d.Peer)
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}
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} else {
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peers = []discover.NodeID{id}
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}
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if err := s.TestExchanges(HandshakeMsgExchange(lhs, rhs, id)...); err != nil {
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return err
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}
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if len(disconnects) > 0 {
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return s.TestDisconnected(disconnects...)
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}
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// If we don't expect disconnect, ensure peers remain connected
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err := s.TestDisconnected(&p2ptest.Disconnect{
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Peer: s.IDs[0],
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Error: nil,
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})
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if err == nil {
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return fmt.Errorf("Unexpected peer disconnect")
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}
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if err.Error() != "timed out waiting for peers to disconnect" {
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return err
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}
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return nil
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}
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func correctBzzHandshake(addr *BzzAddr) *HandshakeMsg {
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return &HandshakeMsg{
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Version: 5,
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NetworkID: DefaultNetworkID,
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Addr: addr,
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}
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}
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func TestBzzHandshakeNetworkIDMismatch(t *testing.T) {
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addr := RandomAddr()
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s := newBzzHandshakeTester(t, 1, addr)
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id := s.IDs[0]
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err := s.testHandshake(
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correctBzzHandshake(addr),
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&HandshakeMsg{Version: 5, NetworkID: 321, Addr: NewAddrFromNodeID(id)},
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&p2ptest.Disconnect{Peer: id, Error: fmt.Errorf("Handshake error: Message handler error: (msg code 0): network id mismatch 321 (!= 3)")},
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)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestBzzHandshakeVersionMismatch(t *testing.T) {
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addr := RandomAddr()
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s := newBzzHandshakeTester(t, 1, addr)
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id := s.IDs[0]
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err := s.testHandshake(
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correctBzzHandshake(addr),
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&HandshakeMsg{Version: 0, NetworkID: 3, Addr: NewAddrFromNodeID(id)},
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&p2ptest.Disconnect{Peer: id, Error: fmt.Errorf("Handshake error: Message handler error: (msg code 0): version mismatch 0 (!= 5)")},
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)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestBzzHandshakeSuccess(t *testing.T) {
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addr := RandomAddr()
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s := newBzzHandshakeTester(t, 1, addr)
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id := s.IDs[0]
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err := s.testHandshake(
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correctBzzHandshake(addr),
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&HandshakeMsg{Version: 5, NetworkID: 3, Addr: NewAddrFromNodeID(id)},
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)
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if err != nil {
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t.Fatal(err)
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}
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}
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