|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/hex" |
| 5 | + "encoding/json" |
| 6 | + "flag" |
| 7 | + "fmt" |
| 8 | + "os" |
| 9 | + "os/signal" |
| 10 | + "slices" |
| 11 | + "sync" |
| 12 | + "sync/atomic" |
| 13 | + "syscall" |
| 14 | + "time" |
| 15 | + |
| 16 | + "github.com/fystack/mpcium/pkg/client" |
| 17 | + "github.com/fystack/mpcium/pkg/config" |
| 18 | + "github.com/fystack/mpcium/pkg/event" |
| 19 | + "github.com/fystack/mpcium/pkg/logger" |
| 20 | + "github.com/fystack/mpcium/pkg/types" |
| 21 | + "github.com/google/uuid" |
| 22 | + "github.com/nats-io/nats.go" |
| 23 | + "github.com/spf13/viper" |
| 24 | +) |
| 25 | + |
| 26 | +// Required authorizer names (hardcoded as requested) |
| 27 | +var requiredAuthorizers = []string{"authorizer1", "authorizer2"} |
| 28 | + |
| 29 | +func main() { |
| 30 | + const environment = "development" |
| 31 | + numWallets := flag.Int("n", 1, "Number of wallets to generate") |
| 32 | + |
| 33 | + flag.Parse() |
| 34 | + |
| 35 | + config.InitViperConfig("") |
| 36 | + logger.Init(environment, false) |
| 37 | + |
| 38 | + algorithm := viper.GetString("event_initiator_algorithm") |
| 39 | + if algorithm == "" { |
| 40 | + algorithm = string(types.EventInitiatorKeyTypeEd25519) |
| 41 | + } |
| 42 | + |
| 43 | + if !slices.Contains( |
| 44 | + []string{ |
| 45 | + string(types.EventInitiatorKeyTypeEd25519), |
| 46 | + string(types.EventInitiatorKeyTypeP256), |
| 47 | + }, |
| 48 | + algorithm, |
| 49 | + ) { |
| 50 | + logger.Fatal( |
| 51 | + fmt.Sprintf( |
| 52 | + "invalid algorithm: %s. Must be %s or %s", |
| 53 | + algorithm, |
| 54 | + types.EventInitiatorKeyTypeEd25519, |
| 55 | + types.EventInitiatorKeyTypeP256, |
| 56 | + ), |
| 57 | + nil, |
| 58 | + ) |
| 59 | + } |
| 60 | + |
| 61 | + natsURL := viper.GetString("nats.url") |
| 62 | + natsConn, err := nats.Connect(natsURL) |
| 63 | + if err != nil { |
| 64 | + logger.Fatal("Failed to connect to NATS", err) |
| 65 | + } |
| 66 | + defer natsConn.Drain() |
| 67 | + defer natsConn.Close() |
| 68 | + |
| 69 | + localSigner, err := client.NewLocalSigner(types.EventInitiatorKeyType(algorithm), client.LocalSignerOptions{ |
| 70 | + KeyPath: "./event_initiator.key", |
| 71 | + }) |
| 72 | + if err != nil { |
| 73 | + logger.Fatal("Failed to create local signer", err) |
| 74 | + } |
| 75 | + |
| 76 | + // Load authorizer signers |
| 77 | + authorizerSigners := make(map[string]client.Signer) |
| 78 | + for _, authorizerID := range requiredAuthorizers { |
| 79 | + keyPath := fmt.Sprintf("./%s.authorizer.key", authorizerID) |
| 80 | + signer, err := client.NewLocalSigner(types.EventInitiatorKeyTypeEd25519, client.LocalSignerOptions{ |
| 81 | + KeyPath: keyPath, |
| 82 | + }) |
| 83 | + if err != nil { |
| 84 | + logger.Fatal(fmt.Sprintf("Failed to create authorizer signer for %s", authorizerID), err) |
| 85 | + } |
| 86 | + authorizerSigners[authorizerID] = signer |
| 87 | + } |
| 88 | + |
| 89 | + mpcClient := client.NewMPCClient(client.Options{ |
| 90 | + NatsConn: natsConn, |
| 91 | + Signer: localSigner, |
| 92 | + }) |
| 93 | + |
| 94 | + var walletStartTimes sync.Map |
| 95 | + var walletIDs []string |
| 96 | + var walletIDsMu sync.Mutex |
| 97 | + var wg sync.WaitGroup |
| 98 | + var completedCount int32 |
| 99 | + |
| 100 | + startAll := time.Now() |
| 101 | + |
| 102 | + // STEP 1: Pre-generate wallet IDs and store start times |
| 103 | + for i := 0; i < *numWallets; i++ { |
| 104 | + walletID := uuid.New().String() |
| 105 | + walletStartTimes.Store(walletID, time.Now()) |
| 106 | + |
| 107 | + walletIDsMu.Lock() |
| 108 | + walletIDs = append(walletIDs, walletID) |
| 109 | + walletIDsMu.Unlock() |
| 110 | + } |
| 111 | + |
| 112 | + // STEP 2: Register the result handler AFTER all walletIDs are stored |
| 113 | + err = mpcClient.OnWalletCreationResult(func(event event.KeygenResultEvent) { |
| 114 | + logger.Info("Received wallet creation result", "event", event) |
| 115 | + now := time.Now() |
| 116 | + startTimeAny, ok := walletStartTimes.Load(event.WalletID) |
| 117 | + if ok { |
| 118 | + startTime := startTimeAny.(time.Time) |
| 119 | + duration := now.Sub(startTime).Seconds() |
| 120 | + accumulated := now.Sub(startAll).Seconds() |
| 121 | + countSoFar := atomic.AddInt32(&completedCount, 1) |
| 122 | + |
| 123 | + logger.Info("Wallet created", |
| 124 | + "walletID", event.WalletID, |
| 125 | + "duration_seconds", fmt.Sprintf("%.3f", duration), |
| 126 | + "accumulated_time_seconds", fmt.Sprintf("%.3f", accumulated), |
| 127 | + "count_so_far", countSoFar, |
| 128 | + ) |
| 129 | + |
| 130 | + walletStartTimes.Delete(event.WalletID) |
| 131 | + } else { |
| 132 | + logger.Warn("Received wallet result but no start time found", "walletID", event.WalletID) |
| 133 | + } |
| 134 | + wg.Done() |
| 135 | + }) |
| 136 | + if err != nil { |
| 137 | + logger.Fatal("Failed to subscribe to wallet-creation results", err) |
| 138 | + } |
| 139 | + |
| 140 | + // STEP 3: Create wallets with authorizer signatures |
| 141 | + for _, walletID := range walletIDs { |
| 142 | + wg.Add(1) // Add to WaitGroup BEFORE attempting to create wallet |
| 143 | + |
| 144 | + // Create a temporary message to get the initiator signature |
| 145 | + tempMsg := &types.GenerateKeyMessage{ |
| 146 | + WalletID: walletID, |
| 147 | + } |
| 148 | + |
| 149 | + // Sign with initiator |
| 150 | + raw, err := tempMsg.Raw() |
| 151 | + if err != nil { |
| 152 | + logger.Error("Failed to get raw message", err) |
| 153 | + walletStartTimes.Delete(walletID) |
| 154 | + wg.Done() |
| 155 | + continue |
| 156 | + } |
| 157 | + |
| 158 | + signature, err := localSigner.Sign(raw) |
| 159 | + if err != nil { |
| 160 | + logger.Error("Failed to sign message", err) |
| 161 | + walletStartTimes.Delete(walletID) |
| 162 | + wg.Done() |
| 163 | + continue |
| 164 | + } |
| 165 | + tempMsg.Signature = signature |
| 166 | + |
| 167 | + // Collect authorizer signatures |
| 168 | + authorizerRaw, err := types.ComposeAuthorizerRaw(tempMsg) |
| 169 | + if err != nil { |
| 170 | + logger.Error("Failed to compose authorizer raw data", err) |
| 171 | + walletStartTimes.Delete(walletID) |
| 172 | + wg.Done() |
| 173 | + continue |
| 174 | + } |
| 175 | + |
| 176 | + var authorizerSignatures []types.AuthorizerSignature |
| 177 | + for _, authorizerID := range requiredAuthorizers { |
| 178 | + signer := authorizerSigners[authorizerID] |
| 179 | + authSig, err := signer.Sign(authorizerRaw) |
| 180 | + if err != nil { |
| 181 | + logger.Error(fmt.Sprintf("Failed to sign with authorizer %s", authorizerID), err) |
| 182 | + continue |
| 183 | + } |
| 184 | + |
| 185 | + authorizerSignatures = append(authorizerSignatures, types.AuthorizerSignature{ |
| 186 | + AuthorizerID: authorizerID, |
| 187 | + Signature: authSig, |
| 188 | + }) |
| 189 | + |
| 190 | + logger.Info("Added authorizer signature", |
| 191 | + "authorizer", authorizerID, |
| 192 | + "signature", hex.EncodeToString(authSig), |
| 193 | + ) |
| 194 | + } |
| 195 | + |
| 196 | + // Use the new CreateWalletWithAuthorizers method |
| 197 | + if err := mpcClient.CreateWalletWithAuthorizers(walletID, authorizerSignatures); err != nil { |
| 198 | + logger.Error("CreateWallet failed", err) |
| 199 | + walletStartTimes.Delete(walletID) |
| 200 | + wg.Done() |
| 201 | + continue |
| 202 | + } |
| 203 | + |
| 204 | + logger.Info("CreateWallet sent with authorizers, awaiting result...", |
| 205 | + "walletID", walletID, |
| 206 | + "authorizers", requiredAuthorizers, |
| 207 | + ) |
| 208 | + } |
| 209 | + |
| 210 | + // Wait until all wallet creations complete |
| 211 | + go func() { |
| 212 | + wg.Wait() |
| 213 | + totalDuration := time.Since(startAll).Seconds() |
| 214 | + logger.Info( |
| 215 | + "All wallets generated", |
| 216 | + "count", |
| 217 | + completedCount, |
| 218 | + "total_duration_seconds", |
| 219 | + fmt.Sprintf("%.3f", totalDuration), |
| 220 | + ) |
| 221 | + |
| 222 | + // Save wallet IDs to wallets.json |
| 223 | + walletIDsMu.Lock() |
| 224 | + data, err := json.MarshalIndent(walletIDs, "", " ") |
| 225 | + walletIDsMu.Unlock() |
| 226 | + if err != nil { |
| 227 | + logger.Error("Failed to marshal wallet IDs", err) |
| 228 | + } else { |
| 229 | + err = os.WriteFile("wallets.json", data, 0600) |
| 230 | + if err != nil { |
| 231 | + logger.Error("Failed to write wallets.json", err) |
| 232 | + } else { |
| 233 | + logger.Info("wallets.json written", "count", len(walletIDs)) |
| 234 | + } |
| 235 | + } |
| 236 | + os.Exit(0) |
| 237 | + }() |
| 238 | + |
| 239 | + // Block on SIGINT/SIGTERM (Ctrl+C etc.) |
| 240 | + stop := make(chan os.Signal, 1) |
| 241 | + signal.Notify(stop, syscall.SIGINT, syscall.SIGTERM) |
| 242 | + <-stop |
| 243 | + |
| 244 | + fmt.Println("Shutting down.") |
| 245 | +} |
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