139 lines
4.1 KiB
Go
139 lines
4.1 KiB
Go
package peers
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import (
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"context"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discv5"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/status-im/status-go/params"
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"github.com/stretchr/testify/suite"
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)
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type CacheOnlyTopicPoolSuite struct {
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suite.Suite
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peer *p2p.Server
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topicPool *cacheOnlyTopicPool
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}
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func TestCacheOnlyTopicPoolSuite(t *testing.T) {
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suite.Run(t, new(CacheOnlyTopicPoolSuite))
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}
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func (s *CacheOnlyTopicPoolSuite) SetupTest() {
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maxCachedPeersMultiplier = 1
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key, _ := crypto.GenerateKey()
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name := common.MakeName("peer", "1.0")
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s.peer = &p2p.Server{
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Config: p2p.Config{
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MaxPeers: 10,
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Name: name,
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ListenAddr: "0.0.0.0:0",
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PrivateKey: key,
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NoDiscovery: true,
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},
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}
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s.Require().NoError(s.peer.Start())
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limits := params.NewLimits(1, 2)
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cache, err := newInMemoryCache()
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s.Require().NoError(err)
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t := newTopicPool(nil, MailServerDiscoveryTopic, limits, 100*time.Millisecond, 200*time.Millisecond, cache)
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s.topicPool = newCacheOnlyTopicPool(t, &testTrueVerifier{})
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s.topicPool.running = 1
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// This is a buffered channel to simplify testing.
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// If your test generates more than 10 mode changes,
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// override this `period` field or consume from it
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// using `AssertConsumed()`.
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s.topicPool.period = make(chan time.Duration, 10)
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}
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func (s *CacheOnlyTopicPoolSuite) TearDown() {
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s.peer.Stop()
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}
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func (s *CacheOnlyTopicPoolSuite) TestReplacementPeerIsCounted() {
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s.topicPool.limits = params.NewLimits(1, 1)
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s.topicPool.maxCachedPeers = 1
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id1, err := crypto.GenerateKey()
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s.Require().NoError(err)
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peer1 := discv5.NewNode(discv5.PubkeyID(&id1.PublicKey), s.peer.Self().IP(), 32311, 32311)
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id2, err := crypto.GenerateKey()
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s.Require().NoError(err)
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peer2 := discv5.NewNode(discv5.PubkeyID(&id2.PublicKey), s.peer.Self().IP(), 32311, 32311)
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s.Require().NoError(s.topicPool.processFoundNode(s.peer, peer1))
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s.Require().NoError(s.topicPool.processFoundNode(s.peer, peer2))
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s.topicPool.ConfirmAdded(s.peer, enode.PubkeyToIDV4(&id1.PublicKey))
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s.topicPool.ConfirmAdded(s.peer, enode.PubkeyToIDV4(&id1.PublicKey))
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s.True(s.topicPool.MaxReached())
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// When we stop searching for peers (when Max limit is reached)
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s.topicPool.StopSearch(s.peer)
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s.True(s.topicPool.MaxReached())
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s.Equal(0, s.topicPool.limits.Max)
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s.Equal(0, s.topicPool.limits.Min)
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// Then we should drop all connected peers
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s.Equal(len(s.topicPool.connectedPeers), 0)
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// And cached peers should remain
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cachedPeers := s.topicPool.cache.GetPeersRange(s.topicPool.topic, s.topicPool.maxCachedPeers)
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s.Equal(1, len(cachedPeers))
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}
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func (s *CacheOnlyTopicPoolSuite) TestConfirmAddedSignals() {
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sentNodeID := ""
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sentTopic := ""
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sendEnodeDiscovered = func(enode, topic string) {
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sentNodeID = enode
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sentTopic = topic
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}
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id, err := crypto.GenerateKey()
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s.Require().NoError(err)
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nodeID := enode.PubkeyToIDV4(&id.PublicKey)
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s.topicPool.ConfirmAdded(s.peer, nodeID)
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s.Equal(nodeID.String(), sentNodeID)
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s.Equal(MailServerDiscoveryTopic, sentTopic)
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}
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func (s *CacheOnlyTopicPoolSuite) TestNotTrustedPeer() {
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var signalCalled bool
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sendEnodeDiscovered = func(_, _ string) { signalCalled = true }
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s.topicPool.limits = params.NewLimits(1, 1)
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s.topicPool.maxCachedPeers = 1
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s.topicPool.verifier = &testFalseVerifier{}
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id, err := crypto.GenerateKey()
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s.Require().NoError(err)
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foundPeer := discv5.NewNode(discv5.PubkeyID(&id.PublicKey), s.peer.Self().IP(), 32311, 32311)
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s.Require().NoError(s.topicPool.processFoundNode(s.peer, foundPeer))
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s.topicPool.ConfirmAdded(s.peer, enode.PubkeyToIDV4(&id.PublicKey))
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s.False(signalCalled)
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// limits should not change
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s.Equal(1, s.topicPool.limits.Max)
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s.Equal(1, s.topicPool.limits.Min)
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// not verified peer shoud not be added to the cache
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s.Equal(0, len(s.topicPool.cache.GetPeersRange(s.topicPool.topic, s.topicPool.limits.Max)))
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}
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type testTrueVerifier struct{}
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func (v *testTrueVerifier) VerifyNode(context.Context, enode.ID) bool {
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return true
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}
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type testFalseVerifier struct{}
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func (v *testFalseVerifier) VerifyNode(context.Context, enode.ID) bool {
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return false
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}
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