Callum Waters
4 years ago
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15 changed files with 2109 additions and 205 deletions
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+3 -0CHANGELOG_PENDING.md
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+4 -1blockchain/v0/reactor_test.go
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+1 -1node/node.go
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+16 -4p2p/p2ptest/network.go
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+25 -9p2p/peermanager.go
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+3 -1p2p/peermanager_scoring_test.go
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+273 -94p2p/peermanager_test.go
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+342 -53p2p/pex/reactor.go
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+722 -0p2p/pex/reactor_test.go
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+14 -4p2p/router_test.go
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+9 -0p2p/transport_memory.go
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+2 -2p2p/transport_test.go
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+10 -2proto/tendermint/p2p/pex.go
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+670 -32proto/tendermint/p2p/pex.pb.go
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+15 -2proto/tendermint/p2p/pex.proto
+ 3
- 0
CHANGELOG_PENDING.md
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+ 4
- 1
blockchain/v0/reactor_test.go
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+ 1
- 1
node/node.go
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+ 16
- 4
p2p/p2ptest/network.go
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+ 25
- 9
p2p/peermanager.go
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+ 3
- 1
p2p/peermanager_scoring_test.go
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+ 273
- 94
p2p/peermanager_test.go
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+ 342
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p2p/pex/reactor.go
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+ 722
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p2p/pex/reactor_test.go
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| @ -0,0 +1,722 @@ | |||
| package pex_test | |||
| import ( | |||
| "context" | |||
| "testing" | |||
| "time" | |||
| "github.com/stretchr/testify/require" | |||
| "github.com/tendermint/tendermint/libs/log" | |||
| "github.com/tendermint/tendermint/p2p" | |||
| "github.com/tendermint/tendermint/p2p/p2ptest" | |||
| "github.com/tendermint/tendermint/p2p/pex" | |||
| proto "github.com/tendermint/tendermint/proto/tendermint/p2p" | |||
| ) | |||
| const ( | |||
| checkFrequency = 500 * time.Millisecond | |||
| defaultBufferSize = 2 | |||
| shortWait = 10 * time.Second | |||
| longWait = 60 * time.Second | |||
| firstNode = 0 | |||
| secondNode = 1 | |||
| thirdNode = 2 | |||
| fourthNode = 3 | |||
| ) | |||
| func TestReactorBasic(t *testing.T) { | |||
| // start a network with one mock reactor and one "real" reactor | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 2, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| // assert that the mock node receives a request from the real node | |||
| testNet.listenForRequest(t, secondNode, firstNode, shortWait) | |||
| // assert that when a mock node sends a request it receives a response (and | |||
| // the correct one) | |||
| testNet.sendRequest(t, firstNode, secondNode, true) | |||
| testNet.listenForResponse(t, secondNode, firstNode, shortWait, []proto.PexAddressV2(nil)) | |||
| } | |||
| func TestReactorConnectFullNetwork(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| TotalNodes: 8, | |||
| }) | |||
| // make every node be only connected with one other node (it actually ends up | |||
| // being two because of two way connections but oh well) | |||
| testNet.connectN(t, 1) | |||
| testNet.start(t) | |||
| // assert that all nodes add each other in the network | |||
| for idx := 0; idx < len(testNet.nodes); idx++ { | |||
| testNet.requireNumberOfPeers(t, idx, len(testNet.nodes)-1, longWait) | |||
| } | |||
| } | |||
| func TestReactorSendsRequestsTooOften(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 3, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| // firstNode sends two requests to the secondNode | |||
| testNet.sendRequest(t, firstNode, secondNode, true) | |||
| testNet.sendRequest(t, firstNode, secondNode, true) | |||
| // assert that the secondNode evicts the first node (although they reconnect | |||
| // straight away again) | |||
| testNet.listenForPeerUpdate(t, secondNode, firstNode, p2p.PeerStatusDown, shortWait) | |||
| // firstNode should still receive the address of the thirdNode by the secondNode | |||
| expectedAddrs := testNet.getV2AddressesFor([]int{thirdNode}) | |||
| testNet.listenForResponse(t, secondNode, firstNode, shortWait, expectedAddrs) | |||
| } | |||
| func TestReactorSendsResponseWithoutRequest(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 3, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| // firstNode sends the secondNode an unrequested response | |||
| // NOTE: secondNode will send a request by default during startup so we send | |||
| // two responses to counter that. | |||
| testNet.sendResponse(t, firstNode, secondNode, []int{thirdNode}, true) | |||
| testNet.sendResponse(t, firstNode, secondNode, []int{thirdNode}, true) | |||
| // secondNode should evict the firstNode | |||
| testNet.listenForPeerUpdate(t, secondNode, firstNode, p2p.PeerStatusDown, shortWait) | |||
| } | |||
| func TestReactorNeverSendsTooManyPeers(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 2, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| testNet.addNodes(t, 110) | |||
| nodes := make([]int, 110) | |||
| for i := 0; i < len(nodes); i++ { | |||
| nodes[i] = i + 2 | |||
| } | |||
| testNet.addAddresses(t, secondNode, nodes) | |||
| // first we check that even although we have 110 peers, honest pex reactors | |||
| // only send 100 (test if secondNode sends firstNode 100 addresses) | |||
| testNet.pingAndlistenForNAddresses(t, secondNode, firstNode, shortWait, 100) | |||
| } | |||
| func TestReactorErrorsOnReceivingTooManyPeers(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 2, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| testNet.addNodes(t, 110) | |||
| nodes := make([]int, 110) | |||
| for i := 0; i < len(nodes); i++ { | |||
| nodes[i] = i + 2 | |||
| } | |||
| // now we send a response with more than 100 peers | |||
| testNet.sendResponse(t, firstNode, secondNode, nodes, true) | |||
| // secondNode should evict the firstNode | |||
| testNet.listenForPeerUpdate(t, secondNode, firstNode, p2p.PeerStatusDown, shortWait) | |||
| } | |||
| func TestReactorSmallPeerStoreInALargeNetwork(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| TotalNodes: 16, | |||
| MaxPeers: 8, | |||
| MaxConnected: 6, | |||
| BufferSize: 8, | |||
| }) | |||
| testNet.connectN(t, 1) | |||
| testNet.start(t) | |||
| // test that all nodes reach full capacity | |||
| for _, nodeID := range testNet.nodes { | |||
| require.Eventually(t, func() bool { | |||
| // nolint:scopelint | |||
| return testNet.network.Nodes[nodeID].PeerManager.PeerRatio() >= 0.9 | |||
| }, longWait, checkFrequency) | |||
| } | |||
| } | |||
| func TestReactorLargePeerStoreInASmallNetwork(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| TotalNodes: 10, | |||
| MaxPeers: 100, | |||
| MaxConnected: 100, | |||
| BufferSize: 10, | |||
| }) | |||
| testNet.connectN(t, 1) | |||
| testNet.start(t) | |||
| // assert that all nodes add each other in the network | |||
| for idx := 0; idx < len(testNet.nodes); idx++ { | |||
| testNet.requireNumberOfPeers(t, idx, len(testNet.nodes)-1, longWait) | |||
| } | |||
| } | |||
| func TestReactorWithNetworkGrowth(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| TotalNodes: 5, | |||
| BufferSize: 5, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| // assert that all nodes add each other in the network | |||
| for idx := 0; idx < len(testNet.nodes); idx++ { | |||
| testNet.requireNumberOfPeers(t, idx, len(testNet.nodes)-1, shortWait) | |||
| } | |||
| // now we inject 10 more nodes | |||
| testNet.addNodes(t, 10) | |||
| for i := 5; i < testNet.total; i++ { | |||
| node := testNet.nodes[i] | |||
| require.NoError(t, testNet.reactors[node].Start()) | |||
| require.True(t, testNet.reactors[node].IsRunning()) | |||
| // we connect all new nodes to a single entry point and check that the | |||
| // node can distribute the addresses to all the others | |||
| testNet.connectPeers(t, 0, i) | |||
| } | |||
| require.Len(t, testNet.reactors, 15) | |||
| // assert that all nodes add each other in the network | |||
| for idx := 0; idx < len(testNet.nodes); idx++ { | |||
| testNet.requireNumberOfPeers(t, idx, len(testNet.nodes)-1, longWait) | |||
| } | |||
| } | |||
| func TestReactorIntegrationWithLegacyHandleRequest(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 3, | |||
| }) | |||
| testNet.connectAll(t) | |||
| testNet.start(t) | |||
| t.Log(testNet.nodes) | |||
| // mock node sends a V1 Pex message to the second node | |||
| testNet.sendRequest(t, firstNode, secondNode, false) | |||
| addrs := testNet.getAddressesFor(t, []int{thirdNode}) | |||
| testNet.listenForLegacyResponse(t, secondNode, firstNode, shortWait, addrs) | |||
| } | |||
| func TestReactorIntegrationWithLegacyHandleResponse(t *testing.T) { | |||
| testNet := setup(t, testOptions{ | |||
| MockNodes: 1, | |||
| TotalNodes: 4, | |||
| BufferSize: 4, | |||
| }) | |||
| testNet.connectPeers(t, firstNode, secondNode) | |||
| testNet.connectPeers(t, firstNode, thirdNode) | |||
| testNet.connectPeers(t, firstNode, fourthNode) | |||
| testNet.start(t) | |||
| testNet.listenForRequest(t, secondNode, firstNode, shortWait) | |||
| // send a v1 response instead | |||
| testNet.sendResponse(t, firstNode, secondNode, []int{thirdNode, fourthNode}, false) | |||
| testNet.requireNumberOfPeers(t, secondNode, len(testNet.nodes)-1, shortWait) | |||
| } | |||
| type reactorTestSuite struct { | |||
| network *p2ptest.Network | |||
| logger log.Logger | |||
| reactors map[p2p.NodeID]*pex.ReactorV2 | |||
| pexChannels map[p2p.NodeID]*p2p.Channel | |||
| peerChans map[p2p.NodeID]chan p2p.PeerUpdate | |||
| peerUpdates map[p2p.NodeID]*p2p.PeerUpdates | |||
| nodes []p2p.NodeID | |||
| mocks []p2p.NodeID | |||
| total int | |||
| opts testOptions | |||
| } | |||
| type testOptions struct { | |||
| MockNodes int | |||
| TotalNodes int | |||
| BufferSize int | |||
| MaxPeers uint16 | |||
| MaxConnected uint16 | |||
| } | |||
| // setup setups a test suite with a network of nodes. Mocknodes represent the | |||
| // hollow nodes that the test can listen and send on | |||
| func setup(t *testing.T, opts testOptions) *reactorTestSuite { | |||
| t.Helper() | |||
| require.Greater(t, opts.TotalNodes, opts.MockNodes) | |||
| if opts.BufferSize == 0 { | |||
| opts.BufferSize = defaultBufferSize | |||
| } | |||
| networkOpts := p2ptest.NetworkOptions{ | |||
| NumNodes: opts.TotalNodes, | |||
| BufferSize: opts.BufferSize, | |||
| NodeOpts: p2ptest.NodeOptions{ | |||
| MaxPeers: opts.MaxPeers, | |||
| MaxConnected: opts.MaxConnected, | |||
| }, | |||
| } | |||
| chBuf := opts.BufferSize | |||
| realNodes := opts.TotalNodes - opts.MockNodes | |||
| rts := &reactorTestSuite{ | |||
| logger: log.TestingLogger().With("testCase", t.Name()), | |||
| network: p2ptest.MakeNetwork(t, networkOpts), | |||
| reactors: make(map[p2p.NodeID]*pex.ReactorV2, realNodes), | |||
| pexChannels: make(map[p2p.NodeID]*p2p.Channel, opts.TotalNodes), | |||
| peerChans: make(map[p2p.NodeID]chan p2p.PeerUpdate, opts.TotalNodes), | |||
| peerUpdates: make(map[p2p.NodeID]*p2p.PeerUpdates, opts.TotalNodes), | |||
| total: opts.TotalNodes, | |||
| opts: opts, | |||
| } | |||
| // NOTE: we don't assert that the channels get drained after stopping the | |||
| // reactor | |||
| rts.pexChannels = rts.network.MakeChannelsNoCleanup( | |||
| t, p2p.ChannelID(pex.PexChannel), new(proto.PexMessage), chBuf, | |||
| ) | |||
| idx := 0 | |||
| for nodeID := range rts.network.Nodes { | |||
| rts.peerChans[nodeID] = make(chan p2p.PeerUpdate, chBuf) | |||
| rts.peerUpdates[nodeID] = p2p.NewPeerUpdates(rts.peerChans[nodeID], chBuf) | |||
| rts.network.Nodes[nodeID].PeerManager.Register(rts.peerUpdates[nodeID]) | |||
| // the first nodes in the array are always mock nodes | |||
| if idx < opts.MockNodes { | |||
| rts.mocks = append(rts.mocks, nodeID) | |||
| } else { | |||
| rts.reactors[nodeID] = pex.NewReactorV2( | |||
| rts.logger.With("nodeID", nodeID), | |||
| rts.network.Nodes[nodeID].PeerManager, | |||
| rts.pexChannels[nodeID], | |||
| rts.peerUpdates[nodeID], | |||
| ) | |||
| } | |||
| rts.nodes = append(rts.nodes, nodeID) | |||
| idx++ | |||
| } | |||
| require.Len(t, rts.reactors, realNodes) | |||
| t.Cleanup(func() { | |||
| for nodeID, reactor := range rts.reactors { | |||
| if reactor.IsRunning() { | |||
| require.NoError(t, reactor.Stop()) | |||
| require.False(t, reactor.IsRunning()) | |||
| } | |||
| rts.pexChannels[nodeID].Close() | |||
| rts.peerUpdates[nodeID].Close() | |||
| } | |||
| for _, nodeID := range rts.mocks { | |||
| rts.pexChannels[nodeID].Close() | |||
| rts.peerUpdates[nodeID].Close() | |||
| } | |||
| }) | |||
| return rts | |||
| } | |||
| // starts up the pex reactors for each node | |||
| func (r *reactorTestSuite) start(t *testing.T) { | |||
| t.Helper() | |||
| for _, reactor := range r.reactors { | |||
| require.NoError(t, reactor.Start()) | |||
| require.True(t, reactor.IsRunning()) | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) addNodes(t *testing.T, nodes int) { | |||
| t.Helper() | |||
| for i := 0; i < nodes; i++ { | |||
| node := r.network.MakeNode(t, p2ptest.NodeOptions{ | |||
| MaxPeers: r.opts.MaxPeers, | |||
| MaxConnected: r.opts.MaxConnected, | |||
| }) | |||
| r.network.Nodes[node.NodeID] = node | |||
| nodeID := node.NodeID | |||
| r.pexChannels[nodeID] = node.MakeChannelNoCleanup( | |||
| t, p2p.ChannelID(pex.PexChannel), new(proto.PexMessage), r.opts.BufferSize, | |||
| ) | |||
| r.peerChans[nodeID] = make(chan p2p.PeerUpdate, r.opts.BufferSize) | |||
| r.peerUpdates[nodeID] = p2p.NewPeerUpdates(r.peerChans[nodeID], r.opts.BufferSize) | |||
| r.network.Nodes[nodeID].PeerManager.Register(r.peerUpdates[nodeID]) | |||
| r.reactors[nodeID] = pex.NewReactorV2( | |||
| r.logger.With("nodeID", nodeID), | |||
| r.network.Nodes[nodeID].PeerManager, | |||
| r.pexChannels[nodeID], | |||
| r.peerUpdates[nodeID], | |||
| ) | |||
| r.nodes = append(r.nodes, nodeID) | |||
| r.total++ | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) listenFor( | |||
| t *testing.T, | |||
| node p2p.NodeID, | |||
| conditional func(msg p2p.Envelope) bool, | |||
| assertion func(t *testing.T, msg p2p.Envelope) bool, | |||
| waitPeriod time.Duration, | |||
| ) { | |||
| timesUp := time.After(waitPeriod) | |||
| for { | |||
| select { | |||
| case envelope := <-r.pexChannels[node].In: | |||
| if conditional(envelope) && assertion(t, envelope) { | |||
| return | |||
| } | |||
| case <-timesUp: | |||
| require.Fail(t, "timed out waiting for message", | |||
| "node=%v, waitPeriod=%s", node, waitPeriod) | |||
| } | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) listenForRequest(t *testing.T, fromNode, toNode int, waitPeriod time.Duration) { | |||
| r.logger.Info("Listening for request", "from", fromNode, "to", toNode) | |||
| to, from := r.checkNodePair(t, toNode, fromNode) | |||
| conditional := func(msg p2p.Envelope) bool { | |||
| _, ok := msg.Message.(*proto.PexRequestV2) | |||
| return ok && msg.From == from | |||
| } | |||
| assertion := func(t *testing.T, msg p2p.Envelope) bool { | |||
| require.Equal(t, &proto.PexRequestV2{}, msg.Message) | |||
| return true | |||
| } | |||
| r.listenFor(t, to, conditional, assertion, waitPeriod) | |||
| } | |||
| func (r *reactorTestSuite) pingAndlistenForNAddresses( | |||
| t *testing.T, | |||
| fromNode, toNode int, | |||
| waitPeriod time.Duration, | |||
| addresses int, | |||
| ) { | |||
| r.logger.Info("Listening for addresses", "from", fromNode, "to", toNode) | |||
| to, from := r.checkNodePair(t, toNode, fromNode) | |||
| conditional := func(msg p2p.Envelope) bool { | |||
| _, ok := msg.Message.(*proto.PexResponseV2) | |||
| return ok && msg.From == from | |||
| } | |||
| assertion := func(t *testing.T, msg p2p.Envelope) bool { | |||
| m, ok := msg.Message.(*proto.PexResponseV2) | |||
| if !ok { | |||
| require.Fail(t, "expected pex response v2") | |||
| return true | |||
| } | |||
| // assert the same amount of addresses | |||
| if len(m.Addresses) == addresses { | |||
| return true | |||
| } | |||
| // if we didn't get the right length, we wait and send the | |||
| // request again | |||
| time.Sleep(300 * time.Millisecond) | |||
| r.sendRequest(t, toNode, fromNode, true) | |||
| return false | |||
| } | |||
| r.sendRequest(t, toNode, fromNode, true) | |||
| r.listenFor(t, to, conditional, assertion, waitPeriod) | |||
| } | |||
| func (r *reactorTestSuite) listenForResponse( | |||
| t *testing.T, | |||
| fromNode, toNode int, | |||
| waitPeriod time.Duration, | |||
| addresses []proto.PexAddressV2, | |||
| ) { | |||
| r.logger.Info("Listening for response", "from", fromNode, "to", toNode) | |||
| to, from := r.checkNodePair(t, toNode, fromNode) | |||
| conditional := func(msg p2p.Envelope) bool { | |||
| _, ok := msg.Message.(*proto.PexResponseV2) | |||
| r.logger.Info("message", msg, "ok", ok) | |||
| return ok && msg.From == from | |||
| } | |||
| assertion := func(t *testing.T, msg p2p.Envelope) bool { | |||
| require.Equal(t, &proto.PexResponseV2{Addresses: addresses}, msg.Message) | |||
| return true | |||
| } | |||
| r.listenFor(t, to, conditional, assertion, waitPeriod) | |||
| } | |||
| func (r *reactorTestSuite) listenForLegacyResponse( | |||
| t *testing.T, | |||
| fromNode, toNode int, | |||
| waitPeriod time.Duration, | |||
| addresses []proto.PexAddress, | |||
| ) { | |||
| r.logger.Info("Listening for response", "from", fromNode, "to", toNode) | |||
| to, from := r.checkNodePair(t, toNode, fromNode) | |||
| conditional := func(msg p2p.Envelope) bool { | |||
| _, ok := msg.Message.(*proto.PexResponse) | |||
| return ok && msg.From == from | |||
| } | |||
| assertion := func(t *testing.T, msg p2p.Envelope) bool { | |||
| require.Equal(t, &proto.PexResponse{Addresses: addresses}, msg.Message) | |||
| return true | |||
| } | |||
| r.listenFor(t, to, conditional, assertion, waitPeriod) | |||
| } | |||
| func (r *reactorTestSuite) listenForPeerUpdate( | |||
| t *testing.T, | |||
| onNode, withNode int, | |||
| status p2p.PeerStatus, | |||
| waitPeriod time.Duration, | |||
| ) { | |||
| on, with := r.checkNodePair(t, onNode, withNode) | |||
| sub := r.network.Nodes[on].PeerManager.Subscribe() | |||
| defer sub.Close() | |||
| timesUp := time.After(waitPeriod) | |||
| for { | |||
| select { | |||
| case peerUpdate := <-sub.Updates(): | |||
| if peerUpdate.NodeID == with { | |||
| require.Equal(t, status, peerUpdate.Status) | |||
| return | |||
| } | |||
| case <-timesUp: | |||
| require.Fail(t, "timed out waiting for peer status", "%v with status %v", | |||
| with, status) | |||
| return | |||
| } | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) getV2AddressesFor(nodes []int) []proto.PexAddressV2 { | |||
| addresses := make([]proto.PexAddressV2, len(nodes)) | |||
| for idx, node := range nodes { | |||
| nodeID := r.nodes[node] | |||
| addresses[idx] = proto.PexAddressV2{ | |||
| URL: r.network.Nodes[nodeID].NodeAddress.String(), | |||
| } | |||
| } | |||
| return addresses | |||
| } | |||
| func (r *reactorTestSuite) getAddressesFor(t *testing.T, nodes []int) []proto.PexAddress { | |||
| addresses := make([]proto.PexAddress, len(nodes)) | |||
| for idx, node := range nodes { | |||
| nodeID := r.nodes[node] | |||
| nodeAddrs := r.network.Nodes[nodeID].NodeAddress | |||
| endpoints, err := nodeAddrs.Resolve(context.Background()) | |||
| require.NoError(t, err) | |||
| require.Len(t, endpoints, 1) | |||
| addresses[idx] = proto.PexAddress{ | |||
| ID: string(nodeAddrs.NodeID), | |||
| IP: endpoints[0].IP.String(), | |||
| Port: uint32(endpoints[0].Port), | |||
| } | |||
| } | |||
| return addresses | |||
| } | |||
| func (r *reactorTestSuite) sendRequest(t *testing.T, fromNode, toNode int, v2 bool) { | |||
| to, from := r.checkNodePair(t, toNode, fromNode) | |||
| if v2 { | |||
| r.pexChannels[from].Out <- p2p.Envelope{ | |||
| To: to, | |||
| Message: &proto.PexRequestV2{}, | |||
| } | |||
| } else { | |||
| r.pexChannels[from].Out <- p2p.Envelope{ | |||
| To: to, | |||
| Message: &proto.PexRequest{}, | |||
| } | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) sendResponse( | |||
| t *testing.T, | |||
| fromNode, toNode int, | |||
| withNodes []int, | |||
| v2 bool, | |||
| ) { | |||
| from, to := r.checkNodePair(t, fromNode, toNode) | |||
| if v2 { | |||
| addrs := r.getV2AddressesFor(withNodes) | |||
| r.pexChannels[from].Out <- p2p.Envelope{ | |||
| To: to, | |||
| Message: &proto.PexResponseV2{ | |||
| Addresses: addrs, | |||
| }, | |||
| } | |||
| } else { | |||
| addrs := r.getAddressesFor(t, withNodes) | |||
| r.pexChannels[from].Out <- p2p.Envelope{ | |||
| To: to, | |||
| Message: &proto.PexResponse{ | |||
| Addresses: addrs, | |||
| }, | |||
| } | |||
| } | |||
| } | |||
| func (r *reactorTestSuite) requireNumberOfPeers( | |||
| t *testing.T, | |||
| nodeIndex, numPeers int, | |||
| waitPeriod time.Duration, | |||
| ) { | |||
| require.Eventuallyf(t, func() bool { | |||
| actualNumPeers := len(r.network.Nodes[r.nodes[nodeIndex]].PeerManager.Peers()) | |||
| return actualNumPeers >= numPeers | |||
| }, waitPeriod, checkFrequency, "peer failed to connect with the asserted amount of peers "+ | |||
| "index=%d, node=%q, waitPeriod=%s expected=%d actual=%d", | |||
| nodeIndex, r.nodes[nodeIndex], waitPeriod, numPeers, | |||
| len(r.network.Nodes[r.nodes[nodeIndex]].PeerManager.Peers()), | |||
| ) | |||
| } | |||
| func (r *reactorTestSuite) connectAll(t *testing.T) { | |||
| r.connectN(t, r.total-1) | |||
| } | |||
| // connects all nodes with n other nodes | |||
| func (r *reactorTestSuite) connectN(t *testing.T, n int) { | |||
| if n >= r.total { | |||
| require.Fail(t, "connectN: n must be less than the size of the network - 1") | |||
| } | |||
| for i := 0; i < r.total; i++ { | |||
| for j := 0; j < n; j++ { | |||
| r.connectPeers(t, i, (i+j+1)%r.total) | |||
| } | |||
| } | |||
| } | |||
| // connects node1 to node2 | |||
| func (r *reactorTestSuite) connectPeers(t *testing.T, sourceNode, targetNode int) { | |||
| t.Helper() | |||
| node1, node2 := r.checkNodePair(t, sourceNode, targetNode) | |||
| r.logger.Info("connecting peers", "sourceNode", sourceNode, "targetNode", targetNode) | |||
| n1 := r.network.Nodes[node1] | |||
| if n1 == nil { | |||
| require.Fail(t, "connectPeers: source node %v is not part of the testnet", node1) | |||
| return | |||
| } | |||
| n2 := r.network.Nodes[node2] | |||
| if n2 == nil { | |||
| require.Fail(t, "connectPeers: target node %v is not part of the testnet", node2) | |||
| return | |||
| } | |||
| sourceSub := n1.PeerManager.Subscribe() | |||
| defer sourceSub.Close() | |||
| targetSub := n2.PeerManager.Subscribe() | |||
| defer targetSub.Close() | |||
| sourceAddress := n1.NodeAddress | |||
| r.logger.Debug("source address", "address", sourceAddress) | |||
| targetAddress := n2.NodeAddress | |||
| r.logger.Debug("target address", "address", targetAddress) | |||
| added, err := n1.PeerManager.Add(targetAddress) | |||
| require.NoError(t, err) | |||
| if !added { | |||
| r.logger.Debug("nodes already know about one another", | |||
| "sourceNode", sourceNode, "targetNode", targetNode) | |||
| return | |||
| } | |||
| select { | |||
| case peerUpdate := <-targetSub.Updates(): | |||
| require.Equal(t, p2p.PeerUpdate{ | |||
| NodeID: node1, | |||
| Status: p2p.PeerStatusUp, | |||
| }, peerUpdate) | |||
| r.logger.Debug("target connected with source") | |||
| case <-time.After(time.Second): | |||
| require.Fail(t, "timed out waiting for peer", "%v accepting %v", | |||
| targetNode, sourceNode) | |||
| } | |||
| select { | |||
| case peerUpdate := <-sourceSub.Updates(): | |||
| require.Equal(t, p2p.PeerUpdate{ | |||
| NodeID: node2, | |||
| Status: p2p.PeerStatusUp, | |||
| }, peerUpdate) | |||
| r.logger.Debug("source connected with target") | |||
| case <-time.After(time.Second): | |||
| require.Fail(t, "timed out waiting for peer", "%v dialing %v", | |||
| sourceNode, targetNode) | |||
| } | |||
| added, err = n2.PeerManager.Add(sourceAddress) | |||
| require.NoError(t, err) | |||
| require.True(t, added) | |||
| } | |||
| // nolint: unused | |||
| func (r *reactorTestSuite) pexAddresses(t *testing.T, nodeIndices []int) []proto.PexAddress { | |||
| var addresses []proto.PexAddress | |||
| for _, i := range nodeIndices { | |||
| if i < len(r.nodes) { | |||
| require.Fail(t, "index for pex address is greater than number of nodes") | |||
| } | |||
| nodeAddrs := r.network.Nodes[r.nodes[i]].NodeAddress | |||
| ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) | |||
| endpoints, err := nodeAddrs.Resolve(ctx) | |||
| cancel() | |||
| require.NoError(t, err) | |||
| for _, endpoint := range endpoints { | |||
| if endpoint.IP != nil { | |||
| addresses = append(addresses, proto.PexAddress{ | |||
| ID: string(nodeAddrs.NodeID), | |||
| IP: endpoint.IP.String(), | |||
| Port: uint32(endpoint.Port), | |||
| }) | |||
| } | |||
| } | |||
| } | |||
| return addresses | |||
| } | |||
| func (r *reactorTestSuite) checkNodePair(t *testing.T, first, second int) (p2p.NodeID, p2p.NodeID) { | |||
| require.NotEqual(t, first, second) | |||
| require.Less(t, first, r.total) | |||
| require.Less(t, second, r.total) | |||
| return r.nodes[first], r.nodes[second] | |||
| } | |||
| func (r *reactorTestSuite) addAddresses(t *testing.T, node int, addrs []int) { | |||
| peerManager := r.network.Nodes[r.nodes[node]].PeerManager | |||
| for _, addr := range addrs { | |||
| require.Less(t, addr, r.total) | |||
| address := r.network.Nodes[r.nodes[addr]].NodeAddress | |||
| added, err := peerManager.Add(address) | |||
| require.NoError(t, err) | |||
| require.True(t, added) | |||
| } | |||
| } | |||