| 1 | import 'dart:convert'; |
| 2 | |
| 3 | import 'package:bip39/bip39.dart' as bip39; |
| 4 | import 'package:bitcoin_base/bitcoin_base.dart'; |
| 5 | import 'package:blockchain_utils/blockchain_utils.dart'; |
| 6 | import 'package:cw_bitcoin/.secrets.g.dart' as secrets; |
| 7 | import 'package:cw_bitcoin/address_from_output.dart'; |
| 8 | import 'package:cw_bitcoin/bitcoin_address_record.dart'; |
| 9 | import 'package:cw_bitcoin/bitcoin_mnemonic.dart'; |
| 10 | import "package:cw_bitcoin/bitcoin_receive_page_option.dart"; |
| 11 | import 'package:cw_bitcoin/bitcoin_transaction_credentials.dart'; |
| 12 | import 'package:cw_bitcoin/bitcoin_wallet_addresses.dart'; |
| 13 | import 'package:cw_bitcoin/electrum_balance.dart'; |
| 14 | import 'package:cw_bitcoin/electrum_derivations.dart'; |
| 15 | import 'package:cw_bitcoin/electrum_transaction_info.dart'; |
| 16 | import 'package:cw_bitcoin/electrum_wallet.dart'; |
| 17 | import 'package:cw_bitcoin/electrum_wallet_snapshot.dart'; |
| 18 | import 'package:cw_bitcoin/locktime.dart'; |
| 19 | import 'package:cw_bitcoin/hardware/bitcoin_hardware_wallet_service.dart'; |
| 20 | import 'package:cw_bitcoin/lightning/lightning_wallet.dart'; |
| 21 | import 'package:cw_bitcoin/hardware/bitcoin_ledger_service.dart'; |
| 22 | import 'package:cw_bitcoin/output_ordering.dart'; |
| 23 | import 'package:cw_bitcoin/payjoin/manager.dart'; |
| 24 | import 'package:cw_bitcoin/payjoin/storage.dart'; |
| 25 | import 'package:cw_bitcoin/pending_bitcoin_transaction.dart'; |
| 26 | import 'package:cw_bitcoin/psbt/signer.dart'; |
| 27 | import 'package:cw_bitcoin/psbt/transaction_builder.dart'; |
| 28 | import 'package:cw_bitcoin/psbt/v0_deserialize.dart'; |
| 29 | import 'package:cw_bitcoin/psbt/v0_finalizer.dart'; |
| 30 | import 'package:cw_core/amount/money.dart'; |
| 31 | import 'package:cw_core/crypto_currency.dart'; |
| 32 | import 'package:cw_core/encryption_file_utils.dart'; |
| 33 | import 'package:cw_core/output_info.dart'; |
| 34 | import 'package:cw_core/payjoin_session.dart'; |
| 35 | import 'package:cw_core/pending_transaction.dart'; |
| 36 | import 'package:cw_core/sync_status.dart'; |
| 37 | import "package:cw_core/receive_page_option.dart"; |
| 38 | import 'package:cw_core/unspent_coin_type.dart'; |
| 39 | import 'package:cw_core/unspent_coins_info.dart'; |
| 40 | import 'package:cw_core/utils/print_verbose.dart'; |
| 41 | import 'package:cw_core/utils/zpub.dart'; |
| 42 | import 'package:cw_core/wallet_info.dart'; |
| 43 | import 'package:cw_core/wallet_keys_file.dart'; |
| 44 | import 'package:flutter/foundation.dart'; |
| 45 | import 'package:hive/hive.dart'; |
| 46 | import 'package:ledger_bitcoin/psbt.dart'; |
| 47 | import 'package:mobx/mobx.dart'; |
| 48 | import 'package:ur/cbor_lite.dart'; |
| 49 | import 'package:ur/ur.dart'; |
| 50 | import 'package:ur/ur_decoder.dart'; |
| 51 | |
| 52 | part 'bitcoin_wallet.g.dart'; |
| 53 | |
| 54 | class BitcoinWallet = BitcoinWalletBase with _$BitcoinWallet; |
| 55 | |
| 56 | abstract class BitcoinWalletBase extends ElectrumWallet with Store { |
| 57 | BitcoinWalletBase({ |
| 58 | required String password, |
| 59 | required WalletInfo walletInfo, |
| 60 | required DerivationInfo derivationInfo, |
| 61 | required Box<UnspentCoinsInfo> unspentCoinsInfo, |
| 62 | required Box<PayjoinSession> payjoinBox, |
| 63 | required EncryptionFileUtils encryptionFileUtils, |
| 64 | Uint8List? seedBytes, |
| 65 | String? mnemonic, |
| 66 | String? xpub, |
| 67 | String? addressPageType, |
| 68 | BasedUtxoNetwork? networkParam, |
| 69 | List<BitcoinAddressRecord>? initialAddresses, |
| 70 | ElectrumBalance? initialBalance, |
| 71 | ElectrumBalance? initialLightningBalance, |
| 72 | Map<String, int>? initialRegularAddressIndex, |
| 73 | Map<String, int>? initialChangeAddressIndex, |
| 74 | String? passphrase, |
| 75 | List<BitcoinSilentPaymentAddressRecord>? initialSilentAddresses, |
| 76 | int initialSilentAddressIndex = 0, |
| 77 | bool? alwaysScan, |
| 78 | bool? useLightning, |
| 79 | String? cachedLightningAddress, |
| 80 | }) : super( |
| 81 | mnemonic: mnemonic, |
| 82 | passphrase: passphrase, |
| 83 | xpub: xpub, |
| 84 | password: password, |
| 85 | walletInfo: walletInfo, |
| 86 | derivationInfo: derivationInfo, |
| 87 | unspentCoinsInfo: unspentCoinsInfo, |
| 88 | network: networkParam == null |
| 89 | ? BitcoinNetwork.mainnet |
| 90 | : networkParam == BitcoinNetwork.mainnet |
| 91 | ? BitcoinNetwork.mainnet |
| 92 | : BitcoinNetwork.testnet, |
| 93 | initialAddresses: initialAddresses, |
| 94 | initialBalance: initialBalance, |
| 95 | seedBytes: seedBytes, |
| 96 | encryptionFileUtils: encryptionFileUtils, |
| 97 | currency: |
| 98 | networkParam == BitcoinNetwork.testnet ? CryptoCurrency.tbtc : CryptoCurrency.btc, |
| 99 | alwaysScan: alwaysScan, |
| 100 | useLightning: useLightning ?? true, |
| 101 | ) { |
| 102 | // in a standard BIP44 wallet, mainHd derivation path = m/84'/0'/0'/0 (account 0, index unspecified here) |
| 103 | // the sideHd derivation path = m/84'/0'/0'/1 (account 1, index unspecified here) |
| 104 | // String derivationPath = walletInfo.derivationInfo!.derivationPath!; |
| 105 | // String sideDerivationPath = derivationPath.substring(0, derivationPath.length - 1) + "1"; |
| 106 | // final hd = bitcoin.HDWallet.fromSeed(seedBytes, network: networkType); |
| 107 | |
| 108 | if (mnemonic != null && this.useLightning && LightningWallet.isAvailable) { |
| 109 | try { |
| 110 | lightningWallet = LightningWallet( |
| 111 | mnemonic: mnemonic, |
| 112 | passphrase: passphrase, |
| 113 | seedBytes: seedBytes, |
| 114 | apiKey: secrets.breezApiKey, |
| 115 | lnurlDomain: "cake.cash", |
| 116 | cachedAddress: cachedLightningAddress, |
| 117 | ); |
| 118 | } catch (e) { |
| 119 | printV(e); |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | payjoinManager = PayjoinManager(PayjoinStorage(payjoinBox), this); |
| 124 | walletAddresses = BitcoinWalletAddresses( |
| 125 | walletInfo, |
| 126 | initialAddresses: initialAddresses, |
| 127 | initialRegularAddressIndex: initialRegularAddressIndex, |
| 128 | initialChangeAddressIndex: initialChangeAddressIndex, |
| 129 | initialSilentAddresses: initialSilentAddresses, |
| 130 | initialSilentAddressIndex: initialSilentAddressIndex, |
| 131 | mainHdByType: mainHdByType, |
| 132 | sideHdByType: sideHdByType, |
| 133 | legacyMainHd: mainHd, |
| 134 | legacySideHd: sideHd, |
| 135 | network: networkParam ?? network, |
| 136 | masterHd: seedBytes != null ? Bip32Slip10Secp256k1.fromSeed(seedBytes) : null, |
| 137 | isHardwareWallet: walletInfo.isHardwareWallet, |
| 138 | payjoinManager: payjoinManager, |
| 139 | lightningWallet: lightningWallet, |
| 140 | ); |
| 141 | |
| 142 | if (lightningWallet != null) { |
| 143 | walletAddresses.setLightningAddress(walletInfo.name); |
| 144 | } |
| 145 | autorun((_) { |
| 146 | this.walletAddresses.isEnabledAutoGenerateSubaddress = this.isEnabledAutoGenerateSubaddress; |
| 147 | }); |
| 148 | |
| 149 | reaction((_) => this.useLightning, (bool useLightning) { |
| 150 | if (useLightning && LightningWallet.isAvailable) { |
| 151 | if (mnemonic != null) { |
| 152 | lightningWallet = LightningWallet( |
| 153 | mnemonic: mnemonic, |
| 154 | passphrase: passphrase, |
| 155 | seedBytes: seedBytes, |
| 156 | apiKey: secrets.breezApiKey, |
| 157 | lnurlDomain: "cake.cash", |
| 158 | cachedAddress: cachedLightningAddress, |
| 159 | ); |
| 160 | walletAddresses.setLightningAddress(walletInfo.name); |
| 161 | } |
| 162 | } else { |
| 163 | lightningWallet = null; |
| 164 | } |
| 165 | }); |
| 166 | |
| 167 | if (initialLightningBalance != null) { |
| 168 | balance[CryptoCurrency.btcln] = initialLightningBalance; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | bool get isLightningInitialized => lightningWallet?.isInitialized == true; |
| 173 | |
| 174 | @override |
| 175 | bool get hasRescan => true; |
| 176 | |
| 177 | static Future<BitcoinWallet> create({ |
| 178 | required String mnemonic, |
| 179 | required String password, |
| 180 | required WalletInfo walletInfo, |
| 181 | required Box<UnspentCoinsInfo> unspentCoinsInfo, |
| 182 | required Box<PayjoinSession> payjoinBox, |
| 183 | required EncryptionFileUtils encryptionFileUtils, |
| 184 | String? passphrase, |
| 185 | String? addressPageType, |
| 186 | BasedUtxoNetwork? network, |
| 187 | List<BitcoinAddressRecord>? initialAddresses, |
| 188 | List<BitcoinSilentPaymentAddressRecord>? initialSilentAddresses, |
| 189 | ElectrumBalance? initialBalance, |
| 190 | Map<String, int>? initialRegularAddressIndex, |
| 191 | Map<String, int>? initialChangeAddressIndex, |
| 192 | int initialSilentAddressIndex = 0, |
| 193 | }) async { |
| 194 | late Uint8List seedBytes; |
| 195 | |
| 196 | final derivationInfo = await walletInfo.getDerivationInfo(); |
| 197 | |
| 198 | switch (derivationInfo.derivationType) { |
| 199 | case DerivationType.bip39: |
| 200 | seedBytes = await bip39.mnemonicToSeed( |
| 201 | mnemonic, |
| 202 | passphrase: passphrase ?? "", |
| 203 | ); |
| 204 | break; |
| 205 | case DerivationType.electrum: |
| 206 | default: |
| 207 | seedBytes = await mnemonicToSeedBytes(mnemonic, passphrase: passphrase ?? ""); |
| 208 | break; |
| 209 | } |
| 210 | |
| 211 | return BitcoinWallet( |
| 212 | mnemonic: mnemonic, |
| 213 | passphrase: passphrase ?? "", |
| 214 | password: password, |
| 215 | walletInfo: walletInfo, |
| 216 | derivationInfo: derivationInfo, |
| 217 | unspentCoinsInfo: unspentCoinsInfo, |
| 218 | initialAddresses: initialAddresses, |
| 219 | initialSilentAddresses: initialSilentAddresses, |
| 220 | initialSilentAddressIndex: initialSilentAddressIndex, |
| 221 | initialBalance: initialBalance, |
| 222 | encryptionFileUtils: encryptionFileUtils, |
| 223 | seedBytes: seedBytes, |
| 224 | initialRegularAddressIndex: initialRegularAddressIndex, |
| 225 | initialChangeAddressIndex: initialChangeAddressIndex, |
| 226 | addressPageType: addressPageType, |
| 227 | networkParam: network, |
| 228 | payjoinBox: payjoinBox, |
| 229 | useLightning: true, |
| 230 | ); |
| 231 | } |
| 232 | |
| 233 | static Future<BitcoinWallet> open({ |
| 234 | required String name, |
| 235 | required WalletInfo walletInfo, |
| 236 | required Box<UnspentCoinsInfo> unspentCoinsInfo, |
| 237 | required Box<PayjoinSession> payjoinBox, |
| 238 | required String password, |
| 239 | required EncryptionFileUtils encryptionFileUtils, |
| 240 | }) async { |
| 241 | final network = walletInfo.network != null |
| 242 | ? BasedUtxoNetwork.fromName(walletInfo.network!) |
| 243 | : BitcoinNetwork.mainnet; |
| 244 | |
| 245 | final hasKeysFile = await WalletKeysFile.hasKeysFile(name, walletInfo.type); |
| 246 | |
| 247 | ElectrumWalletSnapshot? snp = null; |
| 248 | |
| 249 | try { |
| 250 | snp = await ElectrumWalletSnapshot.load( |
| 251 | encryptionFileUtils, |
| 252 | name, |
| 253 | walletInfo.type, |
| 254 | password, |
| 255 | network, |
| 256 | ); |
| 257 | } catch (e) { |
| 258 | if (!hasKeysFile) rethrow; |
| 259 | } |
| 260 | |
| 261 | final WalletKeysData keysData; |
| 262 | // Migrate wallet from the old scheme to then new .keys file scheme |
| 263 | if (!hasKeysFile) { |
| 264 | keysData = WalletKeysData( |
| 265 | mnemonic: snp!.mnemonic, |
| 266 | xPub: snp.xpub, |
| 267 | passphrase: snp.passphrase, |
| 268 | ); |
| 269 | } else { |
| 270 | keysData = await WalletKeysFile.readKeysFile( |
| 271 | name, |
| 272 | walletInfo.type, |
| 273 | password, |
| 274 | encryptionFileUtils, |
| 275 | ); |
| 276 | } |
| 277 | |
| 278 | final derivationInfo = await walletInfo.getDerivationInfo(); |
| 279 | |
| 280 | // set the default if not present: |
| 281 | derivationInfo.derivationPath ??= snp?.derivationPath ?? electrum_path; |
| 282 | derivationInfo.derivationType ??= snp?.derivationType ?? DerivationType.electrum; |
| 283 | if (derivationInfo.derivationType == DerivationType.unknown) { |
| 284 | if (snp?.derivationPath == electrum_path || snp?.derivationType == DerivationType.electrum) { |
| 285 | derivationInfo.derivationPath = electrum_path; |
| 286 | derivationInfo.derivationType = DerivationType.electrum; |
| 287 | } else { |
| 288 | derivationInfo.derivationPath = segwit_path; |
| 289 | derivationInfo.derivationType = DerivationType.bip39; |
| 290 | } |
| 291 | } |
| 292 | await derivationInfo.save(); |
| 293 | |
| 294 | Uint8List? seedBytes = null; |
| 295 | final mnemonic = keysData.mnemonic; |
| 296 | final passphrase = keysData.passphrase; |
| 297 | |
| 298 | if (mnemonic != null) { |
| 299 | switch (derivationInfo.derivationType) { |
| 300 | case DerivationType.electrum: |
| 301 | seedBytes = await mnemonicToSeedBytes(mnemonic, passphrase: passphrase ?? ""); |
| 302 | break; |
| 303 | case DerivationType.bip39: |
| 304 | default: |
| 305 | seedBytes = await bip39.mnemonicToSeed( |
| 306 | mnemonic, |
| 307 | passphrase: passphrase ?? '', |
| 308 | ); |
| 309 | break; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | return BitcoinWallet( |
| 314 | mnemonic: mnemonic, |
| 315 | xpub: keysData.xPub != null ? convertZpubToXpub(keysData.xPub!) : null, |
| 316 | password: password, |
| 317 | passphrase: passphrase, |
| 318 | walletInfo: walletInfo, |
| 319 | derivationInfo: derivationInfo, |
| 320 | unspentCoinsInfo: unspentCoinsInfo, |
| 321 | initialAddresses: snp?.addresses, |
| 322 | initialSilentAddresses: snp?.silentAddresses, |
| 323 | initialSilentAddressIndex: snp?.silentAddressIndex ?? 0, |
| 324 | initialBalance: snp?.balance, |
| 325 | initialLightningBalance: snp?.lightningBalance, |
| 326 | encryptionFileUtils: encryptionFileUtils, |
| 327 | seedBytes: seedBytes, |
| 328 | initialRegularAddressIndex: snp?.regularAddressIndex, |
| 329 | initialChangeAddressIndex: snp?.changeAddressIndex, |
| 330 | addressPageType: snp?.addressPageType, |
| 331 | networkParam: network, |
| 332 | alwaysScan: snp?.alwaysScan, |
| 333 | useLightning: snp?.useLightning, |
| 334 | cachedLightningAddress: snp?.cachedLightningAddress, |
| 335 | payjoinBox: payjoinBox, |
| 336 | ); |
| 337 | } |
| 338 | |
| 339 | @override |
| 340 | Future<void> close({bool shouldCleanup = false}) async { |
| 341 | payjoinManager.cleanupSessions(); |
| 342 | await lightningWallet?.close(); |
| 343 | super.close(shouldCleanup: shouldCleanup); |
| 344 | } |
| 345 | |
| 346 | @override |
| 347 | Future<ElectrumBalance> fetchBalances() async { |
| 348 | final balance = await super.fetchBalances(); |
| 349 | if (!isLightningInitialized || lightningWallet == null) { |
| 350 | return balance; |
| 351 | } |
| 352 | |
| 353 | try { |
| 354 | final lBalance = await lightningWallet!.getBalance(); |
| 355 | |
| 356 | this.balance[CryptoCurrency.btcln] = ElectrumBalance( |
| 357 | confirmed: lBalance, |
| 358 | unconfirmed: Money.zero(CryptoCurrency.btcln), |
| 359 | frozen: Money.zero(CryptoCurrency.btcln)); |
| 360 | } catch (e) { |
| 361 | printV("Error fetching lightning balance: $e"); |
| 362 | } |
| 363 | |
| 364 | return ElectrumBalance( |
| 365 | confirmed: balance.confirmed, |
| 366 | unconfirmed: balance.unconfirmed, |
| 367 | frozen: balance.frozen ?? Money.zero(currency), |
| 368 | ); |
| 369 | } |
| 370 | |
| 371 | @override |
| 372 | @action |
| 373 | Future<void> subscribeForUpdates() async { |
| 374 | if (isLightningInitialized && lightningWallet != null) { |
| 375 | lightningWallet!.setEventListener( |
| 376 | onTransactionEvent: (tx) async { |
| 377 | if (transactionHistory.transactions[tx.id]?.isPending != tx.isPending) { |
| 378 | transactionHistory.addOne(tx); |
| 379 | await transactionHistory.save(); |
| 380 | await fetchBalances(); |
| 381 | } |
| 382 | }, |
| 383 | onCreateDepositTransactionEvent: (txs) async { |
| 384 | if (txs.isNotEmpty) { |
| 385 | transactionHistory.addMany(txs); |
| 386 | await transactionHistory.save(); |
| 387 | } |
| 388 | }, |
| 389 | onUpdateDepositTransactionEvent: (txs) async { |
| 390 | if (txs.isNotEmpty) { |
| 391 | txs.forEach((tx) => transactionHistory.transactions.remove(tx.id)); |
| 392 | await transactionHistory.save(); |
| 393 | } |
| 394 | }, |
| 395 | onBalanceChangedEvent: fetchBalances, |
| 396 | ); |
| 397 | } |
| 398 | |
| 399 | return super.subscribeForUpdates(); |
| 400 | } |
| 401 | |
| 402 | @override |
| 403 | Future<Map<String, ElectrumTransactionInfo>> fetchTransactions() async { |
| 404 | if (lightningWallet != null) { |
| 405 | final existingTx = transactionHistory.transactions.values |
| 406 | .where((e) => (e.additionalInfo["isLightning"] as bool?) == true) |
| 407 | .lastOrNull; |
| 408 | |
| 409 | lightningWallet!.getTransactionHistory(fromDate: existingTx?.date).then((lnHistory) async { |
| 410 | transactionHistory.addMany(lnHistory); |
| 411 | await transactionHistory.save(); |
| 412 | }).onError((_, __) {}); |
| 413 | } |
| 414 | |
| 415 | return super.fetchTransactions(); |
| 416 | } |
| 417 | |
| 418 | LightningWallet? lightningWallet; |
| 419 | |
| 420 | late final PayjoinManager payjoinManager; |
| 421 | |
| 422 | @override |
| 423 | bool get hasPayjoinSupport => keys.privateKey.isNotEmpty; |
| 424 | |
| 425 | @override |
| 426 | bool get hasLightningSupport => lightningWallet?.sdk != null; |
| 427 | |
| 428 | bool get isPayjoinAvailable => unspentCoinsInfo.values |
| 429 | .where((element) => element.walletId == id && element.isSending && !element.isFrozen) |
| 430 | .isNotEmpty; |
| 431 | |
| 432 | Future<PsbtV2> buildPsbt({ |
| 433 | required List<BitcoinBaseOutput> outputs, |
| 434 | required List<OutputInfo> cwOutputs, |
| 435 | required BigInt fee, |
| 436 | required BasedUtxoNetwork network, |
| 437 | required List<UtxoWithAddress> utxos, |
| 438 | required Map<String, PublicKeyWithDerivationPath> publicKeys, |
| 439 | required Uint8List masterFingerprint, |
| 440 | String? memo, |
| 441 | bool enableRBF = false, |
| 442 | BitcoinOrdering inputOrdering = BitcoinOrdering.bip69, |
| 443 | BitcoinOrdering outputOrdering = BitcoinOrdering.bip69, |
| 444 | }) async { |
| 445 | final psbtReadyInputs = <PSBTReadyUtxoWithAddress>[]; |
| 446 | for (final utxo in utxos) { |
| 447 | final rawTx = await electrumClient.getTransactionHex(hash: utxo.utxo.txHash); |
| 448 | final publicKeyAndDerivationPath = publicKeys[utxo.ownerDetails.address.pubKeyHash()]!; |
| 449 | |
| 450 | psbtReadyInputs.add(PSBTReadyUtxoWithAddress( |
| 451 | utxo: utxo.utxo, |
| 452 | rawTx: rawTx, |
| 453 | ownerDetails: utxo.ownerDetails, |
| 454 | ownerDerivationPath: publicKeyAndDerivationPath.derivationPath, |
| 455 | ownerMasterFingerprint: masterFingerprint, |
| 456 | ownerPublicKey: publicKeyAndDerivationPath.publicKey, |
| 457 | )); |
| 458 | } |
| 459 | |
| 460 | final locktime = antiFeeSnipingLocktime( |
| 461 | chainTip: await getCurrentChainTip(), |
| 462 | synced: syncStatus is SyncedSyncStatus, |
| 463 | ); |
| 464 | |
| 465 | return PSBTTransactionBuild( |
| 466 | inputs: psbtReadyInputs, |
| 467 | outputs: outputs, |
| 468 | enableRBF: enableRBF, |
| 469 | cwOutputs: cwOutputs, |
| 470 | locktime: locktime) |
| 471 | .psbt; |
| 472 | } |
| 473 | |
| 474 | @override |
| 475 | Future<BtcTransaction> buildHardwareWalletTransaction({ |
| 476 | required List<BitcoinBaseOutput> outputs, |
| 477 | required BigInt fee, |
| 478 | required BasedUtxoNetwork network, |
| 479 | required List<UtxoWithAddress> utxos, |
| 480 | required List<OutputInfo> cwOutputs, |
| 481 | required Map<String, PublicKeyWithDerivationPath> publicKeys, |
| 482 | String? memo, |
| 483 | bool enableRBF = false, |
| 484 | BitcoinOrdering inputOrdering = BitcoinOrdering.bip69, |
| 485 | BitcoinOrdering outputOrdering = BitcoinOrdering.bip69, |
| 486 | }) async { |
| 487 | final masterFingerprint = |
| 488 | await (hardwareWalletService as BitcoinHardwareWalletService).getMasterFingerprint(); |
| 489 | |
| 490 | final orderedOutputs = orderOutputs(outputs, outputOrdering); |
| 491 | |
| 492 | final psbt = await buildPsbt( |
| 493 | outputs: orderedOutputs, |
| 494 | fee: fee, |
| 495 | network: network, |
| 496 | utxos: utxos, |
| 497 | cwOutputs: cwOutputs, |
| 498 | publicKeys: publicKeys, |
| 499 | masterFingerprint: masterFingerprint, |
| 500 | memo: memo, |
| 501 | enableRBF: enableRBF, |
| 502 | inputOrdering: inputOrdering, |
| 503 | // Already applied above; don't reorder again. |
| 504 | outputOrdering: BitcoinOrdering.none, |
| 505 | ); |
| 506 | |
| 507 | final psbtStr = base64Encode(psbt.serialize()); |
| 508 | if (hardwareWalletService is BitcoinLedgerService && derivationInfo.derivationPath != null) { |
| 509 | (hardwareWalletService as BitcoinLedgerService) |
| 510 | .setAccountDerivationPath(derivationInfo.derivationPath!); |
| 511 | } |
| 512 | |
| 513 | final rawHex = await hardwareWalletService!.signTransaction(transaction: psbtStr); |
| 514 | return BtcTransaction.fromRaw(BytesUtils.toHexString(rawHex)); |
| 515 | } |
| 516 | |
| 517 | @override |
| 518 | Future<PendingTransaction> createTransaction(Object credentials) async { |
| 519 | credentials = credentials as BitcoinTransactionCredentials; |
| 520 | final lnAddr = credentials.outputs.first.isParsedAddress |
| 521 | ? credentials.outputs.first.extractedAddress! |
| 522 | : credentials.outputs.first.address; |
| 523 | |
| 524 | final isLNCompatible = await lightningWallet?.isCompatible(lnAddr); |
| 525 | if ((credentials.coinTypeToSpendFrom == UnspentCoinType.lightning && lightningWallet != null) || |
| 526 | isLNCompatible == true) { |
| 527 | Money amount; |
| 528 | if (credentials.outputs.first.sendAll) { |
| 529 | amount = await lightningWallet!.getBalance(); |
| 530 | } else { |
| 531 | amount = credentials.outputs.first.cryptoAmount; |
| 532 | } |
| 533 | |
| 534 | return lightningWallet!.createTransaction( |
| 535 | lnAddr, |
| 536 | amount.amount > BigInt.zero ? amount.amount : null, |
| 537 | credentials.priority, |
| 538 | credentials.outputs.first.sendAll, |
| 539 | ); |
| 540 | } |
| 541 | |
| 542 | final tx = (await super.createTransaction(credentials)) as PendingBitcoinTransaction; |
| 543 | |
| 544 | final payjoinUri = credentials.payjoinUri; |
| 545 | if (payjoinUri == null && !tx.shouldCommitUR()) return tx; |
| 546 | |
| 547 | final transaction = await buildPsbt( |
| 548 | utxos: tx.utxos, |
| 549 | outputs: tx.outputs |
| 550 | .map((e) => BitcoinOutput( |
| 551 | address: addressFromScript(e.scriptPubKey), |
| 552 | value: e.amount, |
| 553 | isSilentPayment: e.isSilentPayment, |
| 554 | isChange: e.isChange, |
| 555 | )) |
| 556 | .toList(), |
| 557 | cwOutputs: credentials.outputs, |
| 558 | fee: tx.fee.amount, |
| 559 | network: network, |
| 560 | memo: credentials.outputs.first.memo, |
| 561 | outputOrdering: BitcoinOrdering.none, |
| 562 | enableRBF: true, |
| 563 | publicKeys: tx.publicKeys!, |
| 564 | masterFingerprint: Uint8List.fromList([0, 0, 0, 0])); |
| 565 | |
| 566 | if (tx.shouldCommitUR()) { |
| 567 | tx.unsignedPsbt = transaction.asPsbtV0(); |
| 568 | return tx; |
| 569 | } |
| 570 | |
| 571 | final originalPsbt = |
| 572 | await signPsbt(base64.encode(transaction.asPsbtV0()), getUtxoWithPrivateKeys()); |
| 573 | |
| 574 | tx.commitOverride = () async { |
| 575 | final sender = |
| 576 | await payjoinManager.initSender(payjoinUri!, originalPsbt, int.parse(tx.feeRate)); |
| 577 | payjoinManager.spawnNewSender(sender: sender, pjUrl: payjoinUri, amount: tx.amount.amount); |
| 578 | }; |
| 579 | |
| 580 | return tx; |
| 581 | } |
| 582 | |
| 583 | List<UtxoWithPrivateKey> getUtxoWithPrivateKeys({bool confirmedOnly = false}) => unspentCoins |
| 584 | .where((e) => e.isSending && !e.isFrozen && (!confirmedOnly || (e.confirmations ?? 0) > 0)) |
| 585 | .map((unspent) => UtxoWithPrivateKey.fromUnspent(unspent, this)) |
| 586 | .toList(); |
| 587 | |
| 588 | Future<void> commitPsbt(String finalizedPsbt) { |
| 589 | final psbt = PsbtV2()..deserializeV0(base64.decode(finalizedPsbt)); |
| 590 | |
| 591 | final btcTx = BtcTransaction.fromRaw(BytesUtils.toHexString(psbt.extract())); |
| 592 | |
| 593 | return PendingBitcoinTransaction( |
| 594 | btcTx, |
| 595 | type, |
| 596 | electrumClient: electrumClient, |
| 597 | amount: Money.zero(currency), |
| 598 | fee: Money.zero(currency), |
| 599 | feeRate: "", |
| 600 | network: network, |
| 601 | hasChange: true, |
| 602 | isViewOnly: false, |
| 603 | ).commit(); |
| 604 | } |
| 605 | |
| 606 | Future<String> signPsbt(String preProcessedPsbt, List<UtxoWithPrivateKey> utxos) async { |
| 607 | final psbt = PsbtV2()..deserializeV0(base64Decode(preProcessedPsbt)); |
| 608 | |
| 609 | await psbt.signWithUTXO(utxos, (txDigest, utxo, key, sighash) { |
| 610 | return utxo.utxo.isP2tr() |
| 611 | ? key.signTapRoot( |
| 612 | txDigest, |
| 613 | sighash: sighash, |
| 614 | tweak: utxo.utxo.isSilentPayment != true, |
| 615 | ) |
| 616 | : key.signInput(txDigest, sigHash: sighash); |
| 617 | }, (txId, vout) async { |
| 618 | final txHex = await electrumClient.getTransactionHex(hash: txId); |
| 619 | final output = BtcTransaction.fromRaw(txHex).outputs[vout]; |
| 620 | return TaprootAmountScriptPair(output.amount, output.scriptPubKey); |
| 621 | }); |
| 622 | |
| 623 | psbt.finalizeV0(); |
| 624 | return base64Encode(psbt.asPsbtV0()); |
| 625 | } |
| 626 | |
| 627 | Future<void> commitPsbtUR(List<String> urCodes) async { |
| 628 | if (urCodes.isEmpty) throw Exception("No QR code got scanned"); |
| 629 | bool isUr = urCodes.any((str) { |
| 630 | return str.startsWith("ur:psbt/"); |
| 631 | }); |
| 632 | if (isUr) { |
| 633 | final ur = URDecoder(); |
| 634 | for (final inp in urCodes) { |
| 635 | ur.receivePart(inp); |
| 636 | } |
| 637 | final result = (ur.result as UR); |
| 638 | final cbor = result.cbor; |
| 639 | final cborDecoder = CBORDecoder(cbor); |
| 640 | final out = cborDecoder.decodeBytes(); |
| 641 | final bytes = out.$1; |
| 642 | final base64psbt = base64Encode(bytes); |
| 643 | final psbt = PsbtV2()..deserializeV0(base64Decode(base64psbt)); |
| 644 | |
| 645 | // psbt.finalize(); |
| 646 | final finalized = base64Encode(psbt.serialize()); |
| 647 | await commitPsbt(finalized); |
| 648 | } else { |
| 649 | final btcTx = BtcTransaction.fromRaw(urCodes.first); |
| 650 | |
| 651 | return PendingBitcoinTransaction( |
| 652 | btcTx, |
| 653 | type, |
| 654 | electrumClient: electrumClient, |
| 655 | amount: Money.zero(currency), |
| 656 | fee: Money.zero(currency), |
| 657 | feeRate: "", |
| 658 | network: network, |
| 659 | hasChange: true, |
| 660 | isViewOnly: false, |
| 661 | ).commit(); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | @override |
| 666 | Future<String> signMessage(String message, {String? address = null}) async { |
| 667 | if (walletInfo.isHardwareWallet) { |
| 668 | final addressEntry = address != null |
| 669 | ? walletAddresses.allAddresses.firstWhere((element) => element.address == address) |
| 670 | : null; |
| 671 | final index = addressEntry?.index ?? 0; |
| 672 | final isChange = addressEntry?.isHidden == true ? 1 : 0; |
| 673 | final derivationInfo = await walletInfo.getDerivationInfo(); |
| 674 | final accountPath = derivationInfo.derivationPath; |
| 675 | final derivationPath = accountPath != null ? "$accountPath/$isChange/$index" : null; |
| 676 | |
| 677 | final signature = await hardwareWalletService! |
| 678 | .signMessage(message: ascii.encode(message), derivationPath: derivationPath); |
| 679 | return base64Encode(signature); |
| 680 | } |
| 681 | |
| 682 | return super.signMessage(message, address: address); |
| 683 | } |
| 684 | |
| 685 | @override |
| 686 | bool receiveOptionAvailable(ReceivePageOption option) { |
| 687 | if(option == BitcoinReceivePageOption.lightning) { |
| 688 | return hasLightningSupport; |
| 689 | } |
| 690 | |
| 691 | if(option == BitcoinReceivePageOption.silent_payments) { |
| 692 | return hasSilentPaymentsScanning; |
| 693 | } |
| 694 | |
| 695 | return true; |
| 696 | } |
| 697 | } |