|
| 1 | +package loadtest |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "crypto/tls" |
| 6 | + "fmt" |
| 7 | + "io" |
| 8 | + "net/http" |
| 9 | + "strings" |
| 10 | + "sync" |
| 11 | + "testing" |
| 12 | + |
| 13 | + tap "github.com/lightninglabs/taproot-assets" |
| 14 | + "github.com/lightninglabs/taproot-assets/taprpc/universerpc" |
| 15 | + "github.com/lightninglabs/taproot-assets/universe" |
| 16 | + "github.com/stretchr/testify/require" |
| 17 | +) |
| 18 | + |
| 19 | +// syncTest checks that the universe server can handle multiple requests to its |
| 20 | +// public universe endpoints. The number of clients is configurable. |
| 21 | +func syncTest(t *testing.T, ctx context.Context, cfg *Config) { |
| 22 | + alice := initAlice(t, ctx, cfg) |
| 23 | + |
| 24 | + // Let's start by logging the aggregate universe stats. |
| 25 | + res, err := alice.UniverseStats(ctx, &universerpc.StatsRequest{}) |
| 26 | + require.NoError(t, err) |
| 27 | + |
| 28 | + t.Logf("Universe Aggregate Stats: %+v", res) |
| 29 | + |
| 30 | + // We'll use this wait group to block until all clients are done. |
| 31 | + var wg sync.WaitGroup |
| 32 | + |
| 33 | + // We dispatch a client sync for the configured number of clients. |
| 34 | + for i := range cfg.SyncNumClients { |
| 35 | + switch cfg.SyncType { |
| 36 | + case "simplesyncer": |
| 37 | + wg.Add(1) |
| 38 | + go simpleSyncer(t, ctx, cfg, i, &wg) |
| 39 | + |
| 40 | + case "rest": |
| 41 | + wg.Add(1) |
| 42 | + go syncAssetRootsREST(t, ctx, cfg, i, &wg) |
| 43 | + } |
| 44 | + } |
| 45 | + |
| 46 | + wg.Wait() |
| 47 | +} |
| 48 | + |
| 49 | +// simpleSyncer creates a simple syncer instance and uses Alice as the remote |
| 50 | +// diff engine. It always triggers a full sync as the local diff engine returns |
| 51 | +// an empty leaf node. |
| 52 | +func simpleSyncer(t *testing.T, ctx context.Context, cfg *Config, id int, |
| 53 | + wg *sync.WaitGroup) { |
| 54 | + |
| 55 | + defer wg.Done() |
| 56 | + |
| 57 | + // Alice is always serving as the universe server. |
| 58 | + uniURL := fmt.Sprintf("%s:%v", cfg.Alice.Tapd.Host, cfg.Alice.Tapd.Port) |
| 59 | + |
| 60 | + syncer := universe.NewSimpleSyncer( |
| 61 | + universe.SimpleSyncCfg{ |
| 62 | + LocalDiffEngine: noopBaseUni{}, |
| 63 | + NewRemoteDiffEngine: tap.NewRpcUniverseDiff, |
| 64 | + LocalRegistrar: noopBaseUni{}, |
| 65 | + SyncBatchSize: 512, |
| 66 | + }, |
| 67 | + ) |
| 68 | + |
| 69 | + t.Logf("SimpleSyncer-%02d: Starting full universe sync", id) |
| 70 | + |
| 71 | + // We don't care about the diff, so we only check if an error occurred, |
| 72 | + // otherwise the sync completed. |
| 73 | + _, err := syncer.SyncUniverse( |
| 74 | + ctx, universe.NewServerAddrFromStr(uniURL), |
| 75 | + universe.SyncFull, universe.SyncConfigs{ |
| 76 | + GlobalSyncConfigs: []*universe.FedGlobalSyncConfig{ |
| 77 | + { |
| 78 | + // nolint:lll |
| 79 | + ProofType: universe.ProofTypeIssuance, |
| 80 | + AllowSyncInsert: true, |
| 81 | + }, |
| 82 | + }, |
| 83 | + }, |
| 84 | + ) |
| 85 | + require.NoError(t, err) |
| 86 | + |
| 87 | + t.Logf("SimpleSyncer-%02d: Completed full universe sync", id) |
| 88 | +} |
| 89 | + |
| 90 | +// syncAssetRootsREST performs a series of requests to the AssetRoots endpoint |
| 91 | +// of the universe server. It automatically progresses the requested page until |
| 92 | +// the whole data is read. |
| 93 | +func syncAssetRootsREST(t *testing.T, ctx context.Context, cfg *Config, |
| 94 | + id int, wg *sync.WaitGroup) { |
| 95 | + |
| 96 | + defer wg.Done() |
| 97 | + var ( |
| 98 | + limit = cfg.SyncPageSize |
| 99 | + offset = 0 |
| 100 | + ) |
| 101 | + |
| 102 | + for { |
| 103 | + // This is the URL of the universe server, in our case that's |
| 104 | + // always Alice. |
| 105 | + baseURL := fmt.Sprintf( |
| 106 | + "https://%s:%v/v1/taproot-assets/universe/roots", |
| 107 | + cfg.Alice.Tapd.Host, cfg.Alice.Tapd.RestPort, |
| 108 | + ) |
| 109 | + |
| 110 | + // We inject the pagination GET params. |
| 111 | + fullURL := fmt.Sprintf( |
| 112 | + "%s?offset=%v&limit=%v", baseURL, offset, limit, |
| 113 | + ) |
| 114 | + |
| 115 | + t.Logf("Syncer%02d: Fetching AssetRoots offset=%v, limit=%v", |
| 116 | + id, offset, limit) |
| 117 | + |
| 118 | + res := getAssetRoots(t, ctx, fullURL) |
| 119 | + |
| 120 | + // In order to count the length of the response without doing |
| 121 | + // JSON parsing, we simply count the occurences of a top-level |
| 122 | + // field name that repeats for all entries in the array. |
| 123 | + len := strings.Count(res, "mssmt_root") |
| 124 | + |
| 125 | + // Break if we reached the end. This is signalled by retrieving |
| 126 | + // less entities than what was defined as the max limit, |
| 127 | + // meaning that there's nothing left to consume. |
| 128 | + if len < limit { |
| 129 | + break |
| 130 | + } |
| 131 | + |
| 132 | + offset += limit |
| 133 | + } |
| 134 | +} |
| 135 | + |
| 136 | +// getAssetRoots performs a GET request to the AssetRoots REST endpoint of the |
| 137 | +// universe server. We don't care about handling the response, we just hit the |
| 138 | +// endpoint and return the text of the body. |
| 139 | +func getAssetRoots(t *testing.T, ctx context.Context, fullURL string) string { |
| 140 | + tr := &http.Transport{ |
| 141 | + TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, |
| 142 | + } |
| 143 | + |
| 144 | + client := &http.Client{Transport: tr} |
| 145 | + |
| 146 | + req, err := http.NewRequestWithContext(ctx, "GET", fullURL, nil) |
| 147 | + require.NoError(t, err) |
| 148 | + |
| 149 | + resp, err := client.Do(req) |
| 150 | + require.NoError(t, err) |
| 151 | + defer resp.Body.Close() |
| 152 | + |
| 153 | + body, err := io.ReadAll(resp.Body) |
| 154 | + require.NoError(t, err) |
| 155 | + |
| 156 | + return string(body) |
| 157 | +} |
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