From ec51cbb5fb004a63a746cf29ae44d1e07d408591 Mon Sep 17 00:00:00 2001 From: Adam Schmideg Date: Wed, 1 Jul 2020 10:31:11 +0200 Subject: [PATCH] cmd/geth: LES priority client test (#20719) This adds a regression test for the LES priority client API. --- cmd/geth/les_test.go | 180 ++++++++++++++++++++++++++++ cmd/geth/testdata/blockchain.blocks | Bin 0 -> 23287 bytes cmd/geth/testdata/clique.json | 24 ++++ cmd/geth/testdata/key.prv | 1 + cmd/geth/testdata/password.txt | 1 + 5 files changed, 206 insertions(+) create mode 100644 cmd/geth/les_test.go create mode 100644 cmd/geth/testdata/blockchain.blocks create mode 100644 cmd/geth/testdata/clique.json create mode 100644 cmd/geth/testdata/key.prv create mode 100644 cmd/geth/testdata/password.txt diff --git a/cmd/geth/les_test.go b/cmd/geth/les_test.go new file mode 100644 index 0000000000..0cc837fe59 --- /dev/null +++ b/cmd/geth/les_test.go @@ -0,0 +1,180 @@ +package main + +import ( + "context" + "path/filepath" + "testing" + "time" + + "github.com/ethereum/go-ethereum/p2p" + "github.com/ethereum/go-ethereum/rpc" +) + +type gethrpc struct { + name string + rpc *rpc.Client + geth *testgeth + nodeInfo *p2p.NodeInfo +} + +func (g *gethrpc) killAndWait() { + g.geth.Kill() + g.geth.WaitExit() +} + +func (g *gethrpc) callRPC(result interface{}, method string, args ...interface{}) { + if err := g.rpc.Call(&result, method, args...); err != nil { + g.geth.Fatalf("callRPC %v: %v", method, err) + } +} + +func (g *gethrpc) addPeer(peer *gethrpc) { + g.geth.Logf("%v.addPeer(%v)", g.name, peer.name) + enode := peer.getNodeInfo().Enode + peerCh := make(chan *p2p.PeerEvent) + sub, err := g.rpc.Subscribe(context.Background(), "admin", peerCh, "peerEvents") + if err != nil { + g.geth.Fatalf("subscribe %v: %v", g.name, err) + } + defer sub.Unsubscribe() + g.callRPC(nil, "admin_addPeer", enode) + dur := 14 * time.Second + timeout := time.After(dur) + select { + case ev := <-peerCh: + g.geth.Logf("%v received event: type=%v, peer=%v", g.name, ev.Type, ev.Peer) + case err := <-sub.Err(): + g.geth.Fatalf("%v sub error: %v", g.name, err) + case <-timeout: + g.geth.Error("timeout adding peer after", dur) + } +} + +// Use this function instead of `g.nodeInfo` directly +func (g *gethrpc) getNodeInfo() *p2p.NodeInfo { + if g.nodeInfo != nil { + return g.nodeInfo + } + g.nodeInfo = &p2p.NodeInfo{} + g.callRPC(&g.nodeInfo, "admin_nodeInfo") + return g.nodeInfo +} + +func (g *gethrpc) waitSynced() { + // Check if it's synced now + var result interface{} + g.callRPC(&result, "eth_syncing") + syncing, ok := result.(bool) + if ok && !syncing { + g.geth.Logf("%v already synced", g.name) + return + } + + // Actually wait, subscribe to the event + ch := make(chan interface{}) + sub, err := g.rpc.Subscribe(context.Background(), "eth", ch, "syncing") + if err != nil { + g.geth.Fatalf("%v syncing: %v", g.name, err) + } + defer sub.Unsubscribe() + timeout := time.After(4 * time.Second) + select { + case ev := <-ch: + g.geth.Log("'syncing' event", ev) + syncing, ok := ev.(bool) + if ok && !syncing { + break + } + g.geth.Log("Other 'syncing' event", ev) + case err := <-sub.Err(): + g.geth.Fatalf("%v notification: %v", g.name, err) + break + case <-timeout: + g.geth.Fatalf("%v timeout syncing", g.name) + break + } +} + +func startGethWithRpc(t *testing.T, name string, args ...string) *gethrpc { + g := &gethrpc{name: name} + args = append([]string{"--networkid=42", "--port=0", "--nousb", "--rpc", "--rpcport=0", "--rpcapi=admin,eth,les"}, args...) + t.Logf("Starting %v with rpc: %v", name, args) + g.geth = runGeth(t, args...) + // wait before we can attach to it. TODO: probe for it properly + time.Sleep(1 * time.Second) + var err error + ipcpath := filepath.Join(g.geth.Datadir, "geth.ipc") + g.rpc, err = rpc.Dial(ipcpath) + if err != nil { + t.Fatalf("%v rpc connect: %v", name, err) + } + return g +} + +func initGeth(t *testing.T) string { + g := runGeth(t, "--networkid=42", "init", "./testdata/clique.json") + datadir := g.Datadir + g.WaitExit() + return datadir +} + +func startLightServer(t *testing.T) *gethrpc { + datadir := initGeth(t) + runGeth(t, "--datadir", datadir, "--password", "./testdata/password.txt", "account", "import", "./testdata/key.prv").WaitExit() + account := "0x02f0d131f1f97aef08aec6e3291b957d9efe7105" + server := startGethWithRpc(t, "lightserver", "--allow-insecure-unlock", "--datadir", datadir, "--password", "./testdata/password.txt", "--unlock", account, "--mine", "--light.serve=100", "--light.maxpeers=1", "--nodiscover", "--nat=extip:127.0.0.1") + return server +} + +func startClient(t *testing.T, name string) *gethrpc { + datadir := initGeth(t) + return startGethWithRpc(t, name, "--datadir", datadir, "--nodiscover", "--syncmode=light", "--nat=extip:127.0.0.1") +} + +func TestPriorityClient(t *testing.T) { + lightServer := startLightServer(t) + defer lightServer.killAndWait() + + // Start client and add lightServer as peer + freeCli := startClient(t, "freeCli") + defer freeCli.killAndWait() + freeCli.addPeer(lightServer) + + var peers []*p2p.PeerInfo + freeCli.callRPC(&peers, "admin_peers") + if len(peers) != 1 { + t.Errorf("Expected: # of client peers == 1, actual: %v", len(peers)) + return + } + + // Set up priority client, get its nodeID, increase its balance on the lightServer + prioCli := startClient(t, "prioCli") + defer prioCli.killAndWait() + // 3_000_000_000 once we move to Go 1.13 + tokens := 3000000000 + lightServer.callRPC(nil, "les_addBalance", prioCli.getNodeInfo().ID, tokens, "foobar") + prioCli.addPeer(lightServer) + + // Check if priority client is actually syncing and the regular client got kicked out + prioCli.callRPC(&peers, "admin_peers") + if len(peers) != 1 { + t.Errorf("Expected: # of prio peers == 1, actual: %v", len(peers)) + } + + nodes := map[string]*gethrpc{ + lightServer.getNodeInfo().ID: lightServer, + freeCli.getNodeInfo().ID: freeCli, + prioCli.getNodeInfo().ID: prioCli, + } + lightServer.callRPC(&peers, "admin_peers") + peersWithNames := make(map[string]string) + for _, p := range peers { + peersWithNames[nodes[p.ID].name] = p.ID + } + if _, freeClientFound := peersWithNames[freeCli.name]; freeClientFound { + t.Error("client is still a peer of lightServer", peersWithNames) + } + if _, prioClientFound := peersWithNames[prioCli.name]; !prioClientFound { + t.Error("prio client is not among lightServer peers", peersWithNames) + } +} diff --git a/cmd/geth/testdata/blockchain.blocks b/cmd/geth/testdata/blockchain.blocks new file mode 100644 index 0000000000000000000000000000000000000000..d29453d3e53b4382cc3ff4254e1931182a6c630d GIT binary patch literal 23287 zcmeI4cT^O~+wW&!$QcAll2t&EAWQgs;ax6Q`^v;ZRi&O@(%$x)pl)W zv`OEiAgJ8pY1=#M9#UDFxG*QO<#g#?$#=2xaY*FKN_jl> z>qj+EW3KW~CS{EOSfCR64=w-yKRW;o0zm|DE%hS;)!y9olLk0~s;VYU*@*ENu}@zq zzlnL;+5d4-YoCABy-klaokcmMTN}lfvQ4$1nwo7Ki*4vvU~8Gof5XHEZK2S2-{PL_ zoQEc-U}pSaeucZx-qSrs-(zT~pjFLEnGx3SE(u}lyL$0KknvB-6G;aC_5IE2^;B5VX% zgBU^hy^j2gMZpjz#O!UgC*V*HO@s+)ZsiG-yoiz~ou=ea@+wNwo!PyBlKLn~AH^+* zlDAQk?_!8PN+M8Fs7-+fCF4=@x<`)%N>-z!W-Hfglx#&wGu69}C^?RjmZ942D7lD| zE>(;JC*Wuhl)Oikr;3t5?adE^3mhi> z>oG_;dJkyXr}(L&6gZ3wWpv#CoA7hF1~{zYN98?m^ooPZ@qVgm1`bpEQDhSigZ^@U zG;BBq{U7;gR0j>7{9!l?$Bg}v5<0j*)D`^KJwTI#!vcS#)Znn63Y#4i4*!wua$r#Y zVF)=e82m8A!!gQ!q%z?c@;_1~aP*~Ln_dscgdFChy1@tnheB}u)clP0(Woe*0?m`=tW3Un}@24{8Ka_WR>hXuqV;|7g_T_T``33H#|_ z@PdpWQEE}(iKAdBK%$i4=&0Kh_5GTSpg-~;cwk=Fk36&=dEbwlKg>{f*_%QH$;aTC6ts++p+r)BUKwrLo*XVs zjj@dTm(NXt-NEjM`qQAAlCFDjF^5S2OhSGAVnw(S8q+fxmgcA0iO%+EW9#zp#<-ivB{>}gN7n2bb?Z0mnk0%csV{Bd42E0u&&j1+kID275akH;C zo=IMu{^FG3PbbUzwZ|XbWGb3M?q#Bh6#oh%zlbqtoW<4Kn z`SxWIC8MNHA_e97b8ff}*XgX>8gUxeey_B^m6jwLxYF`hT?Q9g9}z&#y~u*xavICg zngn@gF$&E$l+kx^$Ld&|qMhdO$GP&5%cori0C9V{E%Pl?C^P`p$`xlEzeuBG)2A%& z!WDD9UBK()?5jxJKycwi11y{;vNveUFB9OPs_o=|gy1QlEtsYrl$d#Pb1%igf)p^1 z#!_NU^S5Ds!;1Y_Kv;V&KC&W@zKJo!pyRR@$yKvM&IsAo)t?P{lEcpLr5238EbicN zheqFjPJ&g!&lo+PEPYJQCRD@uongz9ZFDoKx6A9P_oVCg^ zHR&nN0Xn@svN*pv135#WA8@9Y3UW4q06g#M&ADhsE$%%V;dMqBmD&z61}y4loz8QX zDiyk6bO#xV&6LhlxyKH2hISNZ;F_8SNU47nJI-8Yqi-XzI&}{7172o`XZYql$?(XC zxUA-Up>~R8-TH9GXvR&-oJ}GwE;-Q|4nrs)0i~FSY%5uadCI<*&*)y$Q zpAM6=z2&GiddyV}zQ^T~$2>xhFZADG>{Sy9=ZIi-tv;tUE%t0SlttKZ9q6~NS%T^5o-E=rM5DUC1@YqD+}u9l7B&bIA6wqcLO zIr}E#9xk_QOVdQTKU`bOiuj|Z-Qsbd$_O~1S95PpoQY9)Gg`#qx%E6{St-|2k*TJ? 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