| 1 | import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart'; |
| 2 | import 'package:cake_wallet/core/amount_parsing_proxy.dart'; |
| 3 | import 'package:cake_wallet/decred/decred.dart'; |
| 4 | import 'package:cake_wallet/dogecoin/dogecoin.dart'; |
| 5 | import 'package:cake_wallet/entities/priority_for_wallet_type.dart'; |
| 6 | import 'package:cake_wallet/core/wallet_change_listener_view_model.dart'; |
| 7 | import 'package:cake_wallet/evm/evm.dart'; |
| 8 | import 'package:cake_wallet/monero/monero.dart'; |
| 9 | import 'package:cake_wallet/zcash/zcash.dart'; |
| 10 | import 'package:cake_wallet/store/app_store.dart'; |
| 11 | import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart'; |
| 12 | import 'package:cw_core/crypto_currency.dart'; |
| 13 | import 'package:cw_core/transaction_priority.dart'; |
| 14 | import 'package:mobx/mobx.dart'; |
| 15 | import 'package:cake_wallet/entities/fiat_currency.dart'; |
| 16 | import 'package:cw_core/wallet_type.dart'; |
| 17 | import 'package:cake_wallet/store/settings_store.dart'; |
| 18 | import 'package:cake_wallet/bitcoin/bitcoin.dart'; |
| 19 | import 'package:collection/collection.dart'; |
| 20 | |
| 21 | part 'fees_view_model.g.dart'; |
| 22 | |
| 23 | class FeesViewModel = FeesViewModelBase with _$FeesViewModel; |
| 24 | |
| 25 | abstract class FeesViewModelBase extends WalletChangeListenerViewModel with Store { |
| 26 | FeesViewModelBase( |
| 27 | AppStore appStore, |
| 28 | this.balanceViewModel, |
| 29 | ) : _appStore = appStore, |
| 30 | super(appStore: appStore) { |
| 31 | final priority = _settingsStore.getPriority(wallet.type, chainId: wallet.chainId); |
| 32 | |
| 33 | if (wallet.type == WalletType.bitcoin && priority == bitcoinTransactionPriorityCustom) { |
| 34 | setTransactionPriority(bitcoinTransactionPriorityMedium); |
| 35 | } |
| 36 | |
| 37 | final priorities = priorityForWalletType(wallet.type); |
| 38 | if (!priorities.contains(priority) && priorities.isNotEmpty) { |
| 39 | _settingsStore.setPriority(wallet.type, priorities.first, chainId: wallet.chainId); |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | final AppStore _appStore; |
| 44 | SettingsStore get _settingsStore => _appStore.settingsStore; |
| 45 | AmountParsingProxy get amountParsingProxy => _appStore.amountParsingProxy; |
| 46 | |
| 47 | @computed |
| 48 | WalletType get walletType => wallet.type; |
| 49 | CryptoCurrency get currency => wallet.currency; |
| 50 | FiatCurrency get fiat => _settingsStore.fiatCurrency; |
| 51 | bool get isFiatDisabled => balanceViewModel.isFiatDisabled; |
| 52 | |
| 53 | final BalanceViewModel balanceViewModel; |
| 54 | |
| 55 | TransactionPriority get transactionPriority { |
| 56 | final priority = _settingsStore.getPriority(wallet.type, chainId: wallet.chainId); |
| 57 | |
| 58 | if (priority == null && hasFeesPriority) { |
| 59 | throw Exception('Unexpected type ${wallet.type}'); |
| 60 | } |
| 61 | |
| 62 | return priority!; |
| 63 | } |
| 64 | |
| 65 | int? getCustomPriorityIndex(List<TransactionPriority> priorities) { |
| 66 | if (wallet.type == WalletType.bitcoin) { |
| 67 | final customItem = priorities |
| 68 | .firstWhereOrNull((element) => element == bitcoin!.getBitcoinTransactionPriorityCustom()); |
| 69 | |
| 70 | return customItem != null ? priorities.indexOf(customItem) : null; |
| 71 | } |
| 72 | return null; |
| 73 | } |
| 74 | |
| 75 | int? get maxCustomFeeRate { |
| 76 | if (wallet.type == WalletType.bitcoin) { |
| 77 | return bitcoin!.getMaxCustomFeeRate(wallet); |
| 78 | } |
| 79 | return null; |
| 80 | } |
| 81 | |
| 82 | bool get isLowFee { |
| 83 | if (wallet.chainId == 42161) return false; |
| 84 | |
| 85 | switch (wallet.type) { |
| 86 | case WalletType.monero: |
| 87 | case WalletType.wownero: |
| 88 | case WalletType.haven: |
| 89 | case WalletType.zano: |
| 90 | return transactionPriority == monero!.getMoneroTransactionPrioritySlow(); |
| 91 | case WalletType.bitcoin: |
| 92 | return transactionPriority == bitcoin!.getBitcoinTransactionPrioritySlow(); |
| 93 | case WalletType.litecoin: |
| 94 | return transactionPriority == bitcoin!.getLitecoinTransactionPrioritySlow(); |
| 95 | case WalletType.ethereum: |
| 96 | case WalletType.polygon: |
| 97 | case WalletType.base: |
| 98 | case WalletType.bsc: |
| 99 | return transactionPriority == evm!.getEVMTransactionPrioritySlow(); |
| 100 | case WalletType.bitcoinCash: |
| 101 | return transactionPriority == bitcoinCash!.getBitcoinCashTransactionPrioritySlow(); |
| 102 | case WalletType.decred: |
| 103 | return transactionPriority == decred!.getDecredTransactionPrioritySlow(); |
| 104 | case WalletType.dogecoin: |
| 105 | return transactionPriority == dogecoin!.getDogeCoinTransactionPrioritySlow(); |
| 106 | case WalletType.none: |
| 107 | case WalletType.nano: |
| 108 | case WalletType.banano: |
| 109 | case WalletType.solana: |
| 110 | case WalletType.tron: |
| 111 | case WalletType.arbitrum: |
| 112 | case WalletType.zcash: |
| 113 | return false; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | @computed |
| 118 | int get customBitcoinFeeRate => _settingsStore.customBitcoinFeeRate; |
| 119 | |
| 120 | void set customBitcoinFeeRate(int value) => _settingsStore.customBitcoinFeeRate = value; |
| 121 | |
| 122 | @computed |
| 123 | bool get hasFees => wallet.type != WalletType.nano && wallet.type != WalletType.banano; |
| 124 | |
| 125 | @computed |
| 126 | bool get hasFeesPriority => |
| 127 | wallet.type != WalletType.nano && |
| 128 | wallet.type != WalletType.banano && |
| 129 | wallet.type != WalletType.solana && |
| 130 | wallet.type != WalletType.tron && |
| 131 | wallet.chainId != |
| 132 | 42161; // Wallet type is generic for all EVM chains, so we need to check the chainId |
| 133 | |
| 134 | @computed |
| 135 | bool get isElectrumWallet => |
| 136 | wallet.type == WalletType.bitcoin || |
| 137 | wallet.type == WalletType.litecoin || |
| 138 | wallet.type == WalletType.bitcoinCash || |
| 139 | wallet.type == WalletType.dogecoin; |
| 140 | |
| 141 | String? get walletCurrencyName => wallet.currency.fullName?.toLowerCase() ?? wallet.currency.name; |
| 142 | |
| 143 | @computed |
| 144 | FiatCurrency get fiatCurrency => _settingsStore.fiatCurrency; |
| 145 | |
| 146 | @action |
| 147 | void setTransactionPriority(TransactionPriority priority) => |
| 148 | _settingsStore.setPriority(wallet.type, priority, chainId: wallet.chainId); |
| 149 | |
| 150 | bool showAlertForCustomFeeRate() { |
| 151 | if (wallet.type != WalletType.bitcoin || isLowFee) { |
| 152 | return false; |
| 153 | } |
| 154 | |
| 155 | if (transactionPriority != bitcoinTransactionPriorityCustom) { |
| 156 | return false; |
| 157 | } |
| 158 | |
| 159 | final mediumRate = bitcoin!.getFeeRate(wallet, bitcoinTransactionPriorityMedium); |
| 160 | return customBitcoinFeeRate < mediumRate; |
| 161 | } |
| 162 | |
| 163 | String displayFeeRate(dynamic priority, int? customValue) { |
| 164 | final _priority = priority as TransactionPriority; |
| 165 | |
| 166 | if (wallet.type == WalletType.bitcoin) { |
| 167 | final rate = bitcoin!.getFeeRate(wallet, _priority); |
| 168 | return bitcoin!.bitcoinTransactionPriorityWithLabel(_priority, rate, customRate: customValue); |
| 169 | } |
| 170 | |
| 171 | if (isElectrumWallet) { |
| 172 | final rate = bitcoin!.getFeeRate(wallet, _priority); |
| 173 | return bitcoin!.bitcoinTransactionPriorityWithLabel(_priority, rate); |
| 174 | } |
| 175 | |
| 176 | return priority.toString(); |
| 177 | } |
| 178 | |
| 179 | TransactionPriority get bitcoinTransactionPriorityCustom => |
| 180 | bitcoin!.getBitcoinTransactionPriorityCustom(); |
| 181 | |
| 182 | TransactionPriority get bitcoinTransactionPriorityMedium => |
| 183 | bitcoin!.getBitcoinTransactionPriorityMedium(); |
| 184 | |
| 185 | @action |
| 186 | void setDefaultTransactionPriority() { |
| 187 | switch (wallet.type) { |
| 188 | case WalletType.monero: |
| 189 | case WalletType.haven: |
| 190 | case WalletType.wownero: |
| 191 | case WalletType.zano: |
| 192 | _settingsStore.setPriority(wallet.type, monero!.getMoneroTransactionPriorityAutomatic()); |
| 193 | break; |
| 194 | case WalletType.zcash: |
| 195 | _settingsStore.setPriority(wallet.type, zcash!.getZcashTransactionPriorityAutomatic()); |
| 196 | break; |
| 197 | case WalletType.bitcoin: |
| 198 | _settingsStore.setPriority(wallet.type, bitcoin!.getBitcoinTransactionPriorityMedium()); |
| 199 | break; |
| 200 | case WalletType.litecoin: |
| 201 | _settingsStore.setPriority(wallet.type, bitcoin!.getLitecoinTransactionPriorityMedium()); |
| 202 | break; |
| 203 | case WalletType.ethereum: |
| 204 | case WalletType.polygon: |
| 205 | case WalletType.base: |
| 206 | case WalletType.bsc: |
| 207 | _settingsStore.setPriority( |
| 208 | wallet.type, |
| 209 | evm!.getDefaultTransactionPriority(), |
| 210 | chainId: wallet.chainId, |
| 211 | ); |
| 212 | break; |
| 213 | case WalletType.bitcoinCash: |
| 214 | _settingsStore.setPriority(wallet.type, bitcoinCash!.getDefaultTransactionPriority()); |
| 215 | break; |
| 216 | case WalletType.dogecoin: |
| 217 | _settingsStore.setPriority(wallet.type, dogecoin!.getDefaultTransactionPriority()); |
| 218 | break; |
| 219 | default: |
| 220 | break; |
| 221 | } |
| 222 | } |
| 223 | } |