|
| 1 | +package cmd |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "os/exec" |
| 6 | + "runtime" |
| 7 | + "strings" |
| 8 | + |
| 9 | + "github.com/spf13/cobra" |
| 10 | + "github.com/synonymdev/bitkit-e2e-tests/tools/seedkit/internal/electrum" |
| 11 | + "github.com/synonymdev/bitkit-e2e-tests/tools/seedkit/internal/output" |
| 12 | + "github.com/synonymdev/bitkit-e2e-tests/tools/seedkit/internal/wallet" |
| 13 | +) |
| 14 | + |
| 15 | +const ( |
| 16 | + defaultLocalElectrum = "127.0.0.1:60001" |
| 17 | + defaultStagingElectrum = "electrs.bitkit.stag0.blocktank.to:9999" |
| 18 | + addressGapLimit = 5 |
| 19 | + maxAddresses = 30 |
| 20 | +) |
| 21 | + |
| 22 | +var ( |
| 23 | + previewBackendFlag string |
| 24 | + previewMnemonicFlag string |
| 25 | + electrumFlag string |
| 26 | +) |
| 27 | + |
| 28 | +func init() { |
| 29 | + previewCmd.Flags().StringVarP(&previewBackendFlag, "backend", "b", "local", "Backend: local or staging") |
| 30 | + previewCmd.Flags().StringVarP(&previewMnemonicFlag, "mnemonic", "m", "", "Mnemonic (reads from clipboard if omitted)") |
| 31 | + previewCmd.Flags().StringVar(&electrumFlag, "electrum", "", "Custom Electrum server (host:port)") |
| 32 | + rootCmd.AddCommand(previewCmd) |
| 33 | +} |
| 34 | + |
| 35 | +var previewCmd = &cobra.Command{ |
| 36 | + Use: "preview", |
| 37 | + Short: "Preview wallet state for a mnemonic", |
| 38 | + Long: "Connects to an Electrum server to show UTXOs and address history.\nReads mnemonic from clipboard by default (since 'run' copies it there).", |
| 39 | + RunE: func(cmd *cobra.Command, args []string) error { |
| 40 | + mnemonic, err := resolveMnemonic() |
| 41 | + if err != nil { |
| 42 | + return err |
| 43 | + } |
| 44 | + |
| 45 | + w, err := wallet.FromMnemonic(mnemonic) |
| 46 | + if err != nil { |
| 47 | + return fmt.Errorf("invalid mnemonic: %w", err) |
| 48 | + } |
| 49 | + |
| 50 | + electrumAddr, useTLS, err := resolveElectrumAddr() |
| 51 | + if err != nil { |
| 52 | + return err |
| 53 | + } |
| 54 | + |
| 55 | + proto := "tcp" |
| 56 | + if useTLS { |
| 57 | + proto = "tls" |
| 58 | + } |
| 59 | + fmt.Printf("Connecting to Electrum at %s (%s)...\n", electrumAddr, proto) |
| 60 | + client, err := electrum.NewClient(electrumAddr, useTLS) |
| 61 | + if err != nil { |
| 62 | + return fmt.Errorf("electrum: %w", err) |
| 63 | + } |
| 64 | + defer client.Close() |
| 65 | + |
| 66 | + fmt.Println() |
| 67 | + fmt.Println("--- seedkit preview ---") |
| 68 | + fmt.Printf("Electrum: %s\n", electrumAddr) |
| 69 | + fmt.Printf("Mnemonic: %s\n", mnemonic) |
| 70 | + fmt.Println() |
| 71 | + |
| 72 | + type chainDef struct { |
| 73 | + label string |
| 74 | + derive func(uint32) (string, error) |
| 75 | + } |
| 76 | + chains := []chainDef{ |
| 77 | + {"Receive (m/84'/1'/0'/0)", w.DeriveAddress}, |
| 78 | + {"Change (m/84'/1'/0'/1)", w.DeriveChangeAddress}, |
| 79 | + } |
| 80 | + |
| 81 | + var totalSat int64 |
| 82 | + var utxoCount int |
| 83 | + var activeAddrs int |
| 84 | + var usedAddrs int |
| 85 | + |
| 86 | + for _, chain := range chains { |
| 87 | + fmt.Printf("%s:\n", chain.label) |
| 88 | + gap := 0 |
| 89 | + found := false |
| 90 | + |
| 91 | + for i := uint32(0); i < maxAddresses && gap < addressGapLimit; i++ { |
| 92 | + addr, err := chain.derive(i) |
| 93 | + if err != nil { |
| 94 | + return fmt.Errorf("derive address: %w", err) |
| 95 | + } |
| 96 | + |
| 97 | + scripthash, err := electrum.AddressToScripthash(addr) |
| 98 | + if err != nil { |
| 99 | + return fmt.Errorf("scripthash for %s: %w", addr, err) |
| 100 | + } |
| 101 | + |
| 102 | + utxos, err := client.ListUnspent(scripthash) |
| 103 | + if err != nil { |
| 104 | + return fmt.Errorf("listunspent: %w", err) |
| 105 | + } |
| 106 | + |
| 107 | + history, err := client.GetHistory(scripthash) |
| 108 | + if err != nil { |
| 109 | + return fmt.Errorf("get_history: %w", err) |
| 110 | + } |
| 111 | + |
| 112 | + if len(history) == 0 && len(utxos) == 0 { |
| 113 | + gap++ |
| 114 | + continue |
| 115 | + } |
| 116 | + gap = 0 |
| 117 | + found = true |
| 118 | + |
| 119 | + if len(utxos) > 0 { |
| 120 | + var addrTotal int64 |
| 121 | + confirmed := 0 |
| 122 | + unconfirmed := 0 |
| 123 | + for _, u := range utxos { |
| 124 | + addrTotal += u.Value |
| 125 | + if u.Height > 0 { |
| 126 | + confirmed++ |
| 127 | + } else { |
| 128 | + unconfirmed++ |
| 129 | + } |
| 130 | + } |
| 131 | + totalSat += addrTotal |
| 132 | + utxoCount += len(utxos) |
| 133 | + activeAddrs++ |
| 134 | + |
| 135 | + status := "confirmed" |
| 136 | + if unconfirmed > 0 && confirmed == 0 { |
| 137 | + status = "unconfirmed" |
| 138 | + } else if unconfirmed > 0 { |
| 139 | + status = "mixed" |
| 140 | + } |
| 141 | + |
| 142 | + fmt.Printf(" [%d] %s %s (%d UTXO, %s)\n", |
| 143 | + i, addr, output.FormatSats(addrTotal), len(utxos), status) |
| 144 | + } else { |
| 145 | + usedAddrs++ |
| 146 | + fmt.Printf(" [%d] %s (used, now empty)\n", i, addr) |
| 147 | + } |
| 148 | + } |
| 149 | + |
| 150 | + if !found { |
| 151 | + fmt.Println(" (none)") |
| 152 | + } |
| 153 | + fmt.Println() |
| 154 | + } |
| 155 | + |
| 156 | + fmt.Printf(" Total: %s (%d UTXOs)\n", output.FormatSats(totalSat), utxoCount) |
| 157 | + fmt.Printf(" Active: %d addresses\n", activeAddrs) |
| 158 | + if usedAddrs > 0 { |
| 159 | + fmt.Printf(" Used (empty): %d addresses\n", usedAddrs) |
| 160 | + } |
| 161 | + fmt.Println() |
| 162 | + |
| 163 | + return nil |
| 164 | + }, |
| 165 | +} |
| 166 | + |
| 167 | +func resolveMnemonic() (string, error) { |
| 168 | + if previewMnemonicFlag != "" { |
| 169 | + return previewMnemonicFlag, nil |
| 170 | + } |
| 171 | + clip, err := readClipboard() |
| 172 | + if err != nil || strings.TrimSpace(clip) == "" { |
| 173 | + return "", fmt.Errorf("no mnemonic provided and clipboard is empty (use --mnemonic)") |
| 174 | + } |
| 175 | + mnemonic := strings.TrimSpace(clip) |
| 176 | + fmt.Printf("Read mnemonic from clipboard: %s...\n", truncateWords(mnemonic, 3)) |
| 177 | + return mnemonic, nil |
| 178 | +} |
| 179 | + |
| 180 | +func resolveElectrumAddr() (string, bool, error) { |
| 181 | + if electrumFlag != "" { |
| 182 | + useTLS := previewBackendFlag == "staging" |
| 183 | + return electrumFlag, useTLS, nil |
| 184 | + } |
| 185 | + switch previewBackendFlag { |
| 186 | + case "local": |
| 187 | + return defaultLocalElectrum, false, nil |
| 188 | + case "staging": |
| 189 | + return defaultStagingElectrum, true, nil |
| 190 | + default: |
| 191 | + return "", false, fmt.Errorf("unknown backend %q (use 'local' or 'staging')", previewBackendFlag) |
| 192 | + } |
| 193 | +} |
| 194 | + |
| 195 | +func readClipboard() (string, error) { |
| 196 | + var cmd *exec.Cmd |
| 197 | + switch runtime.GOOS { |
| 198 | + case "darwin": |
| 199 | + cmd = exec.Command("pbpaste") |
| 200 | + case "linux": |
| 201 | + cmd = exec.Command("xclip", "-selection", "clipboard", "-o") |
| 202 | + default: |
| 203 | + return "", fmt.Errorf("clipboard not supported on %s", runtime.GOOS) |
| 204 | + } |
| 205 | + out, err := cmd.Output() |
| 206 | + if err != nil { |
| 207 | + return "", err |
| 208 | + } |
| 209 | + return string(out), nil |
| 210 | +} |
| 211 | + |
| 212 | +func truncateWords(s string, n int) string { |
| 213 | + words := strings.SplitN(s, " ", n+1) |
| 214 | + if len(words) <= n { |
| 215 | + return s |
| 216 | + } |
| 217 | + return strings.Join(words[:n], " ") + " ..." |
| 218 | +} |
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