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Implement WalletConnect ETH transaction signing
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99 changes: 99 additions & 0 deletions
99
...t/modules/walletconnect/request/signtransaction/WCSignEthereumTransactionRequestScreen.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package io.horizontalsystems.bankwallet.modules.walletconnect.request.signtransaction | ||
|
|
||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.runtime.rememberCoroutineScope | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.platform.LocalView | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.lifecycle.viewmodel.compose.viewModel | ||
| import androidx.navigation.NavController | ||
| import io.horizontalsystems.bankwallet.R | ||
| import io.horizontalsystems.bankwallet.core.AppLogger | ||
| import io.horizontalsystems.bankwallet.core.stats.StatPage | ||
| import io.horizontalsystems.bankwallet.modules.confirm.ConfirmTransactionScreen | ||
| import io.horizontalsystems.bankwallet.modules.sendevmtransaction.SendEvmTransactionView | ||
| import io.horizontalsystems.bankwallet.modules.walletconnect.request.sendtransaction.WalletConnectTransaction | ||
| import io.horizontalsystems.bankwallet.ui.compose.components.ButtonPrimaryDefault | ||
| import io.horizontalsystems.bankwallet.ui.compose.components.ButtonPrimaryYellow | ||
| import io.horizontalsystems.bankwallet.ui.compose.components.VSpacer | ||
| import io.horizontalsystems.core.helpers.HudHelper | ||
| import io.horizontalsystems.marketkit.models.BlockchainType | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.launch | ||
|
|
||
| @Composable | ||
| fun WCSignEthereumTransactionRequestScreen( | ||
| navController: NavController, | ||
| logger: AppLogger, | ||
| blockchainType: BlockchainType, | ||
| transaction: WalletConnectTransaction, | ||
| peerName: String, | ||
| ) { | ||
| val viewModelStoreOwner = remember(navController.currentBackStackEntry) { | ||
| navController.getBackStackEntry(R.id.wcRequestFragment) | ||
| } | ||
| val viewModel = viewModel<WCSignEthereumTransactionRequestViewModel>( | ||
| viewModelStoreOwner = viewModelStoreOwner, | ||
| factory = WCSignEthereumTransactionRequestViewModel.Factory( | ||
| blockchainType = blockchainType, | ||
| transaction = transaction, | ||
| peerName = peerName | ||
| ) | ||
| ) | ||
| val uiState = viewModel.uiState | ||
|
|
||
| ConfirmTransactionScreen( | ||
| title = stringResource(id = R.string.WalletConnect_SignMessageRequest_Title), | ||
| onClickBack = navController::popBackStack, | ||
| onClickSettings = null, | ||
| onClickClose = navController::popBackStack, | ||
| buttonsSlot = { | ||
| val coroutineScope = rememberCoroutineScope() | ||
| val view = LocalView.current | ||
|
|
||
|
|
||
| ButtonPrimaryYellow( | ||
| modifier = Modifier.fillMaxWidth(), | ||
| title = stringResource(R.string.Button_Sign), | ||
| onClick = { | ||
| coroutineScope.launch { | ||
| try { | ||
| logger.info("click sign button") | ||
| viewModel.sign() | ||
| logger.info("success") | ||
|
|
||
| HudHelper.showSuccessMessage(view, R.string.Hud_Text_Done) | ||
| delay(1200) | ||
| } catch (t: Throwable) { | ||
| logger.warning("failed", t) | ||
| HudHelper.showErrorMessage(view, t.javaClass.simpleName) | ||
| } | ||
|
|
||
| navController.popBackStack() | ||
| } | ||
| } | ||
| ) | ||
| VSpacer(16.dp) | ||
| ButtonPrimaryDefault( | ||
| modifier = Modifier.fillMaxWidth(), | ||
| title = stringResource(R.string.Button_Reject), | ||
| onClick = { | ||
| viewModel.reject() | ||
| navController.popBackStack() | ||
| } | ||
| ) | ||
| } | ||
| ) { | ||
| SendEvmTransactionView( | ||
| navController, | ||
| uiState.sectionViewItems, | ||
| uiState.cautions, | ||
| uiState.transactionFields, | ||
| uiState.networkFee, | ||
| StatPage.WalletConnect | ||
| ) | ||
| } | ||
| } |
172 changes: 172 additions & 0 deletions
172
...odules/walletconnect/request/signtransaction/WCSignEthereumTransactionRequestViewModel.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| package io.horizontalsystems.bankwallet.modules.walletconnect.request.signtransaction | ||
|
|
||
| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.ViewModelProvider | ||
| import io.horizontalsystems.bankwallet.R | ||
| import io.horizontalsystems.bankwallet.core.App | ||
| import io.horizontalsystems.bankwallet.core.ViewModelUiState | ||
| import io.horizontalsystems.bankwallet.core.ethereum.CautionViewItem | ||
| import io.horizontalsystems.bankwallet.core.ethereum.EvmCoinService | ||
| import io.horizontalsystems.bankwallet.core.ethereum.EvmCoinServiceFactory | ||
| import io.horizontalsystems.bankwallet.core.managers.EvmKitWrapper | ||
| import io.horizontalsystems.bankwallet.core.providers.Translator | ||
| import io.horizontalsystems.bankwallet.core.toHexString | ||
| import io.horizontalsystems.bankwallet.modules.evmfee.GasData | ||
| import io.horizontalsystems.bankwallet.modules.multiswap.ui.DataField | ||
| import io.horizontalsystems.bankwallet.modules.multiswap.ui.DataFieldNonce | ||
| import io.horizontalsystems.bankwallet.modules.send.SendModule | ||
| import io.horizontalsystems.bankwallet.modules.sendevmtransaction.SectionViewItem | ||
| import io.horizontalsystems.bankwallet.modules.sendevmtransaction.SendEvmTransactionViewItemFactory | ||
| import io.horizontalsystems.bankwallet.modules.sendevmtransaction.ValueType | ||
| import io.horizontalsystems.bankwallet.modules.sendevmtransaction.ViewItem | ||
| import io.horizontalsystems.bankwallet.modules.walletconnect.WCDelegate | ||
| import io.horizontalsystems.bankwallet.modules.walletconnect.WCSessionManager | ||
| import io.horizontalsystems.bankwallet.modules.walletconnect.request.sendtransaction.WalletConnectTransaction | ||
| import io.horizontalsystems.ethereumkit.models.GasPrice | ||
| import io.horizontalsystems.ethereumkit.models.TransactionData | ||
| import io.horizontalsystems.marketkit.models.BlockchainType | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.withContext | ||
|
|
||
| class WCSignEthereumTransactionRequestViewModel( | ||
| private val evmKit: EvmKitWrapper, | ||
| baseCoinService: EvmCoinService, | ||
| private val sendEvmTransactionViewItemFactory: SendEvmTransactionViewItemFactory, | ||
| private val dAppName: String, | ||
| transaction: WalletConnectTransaction | ||
| ) : ViewModelUiState<WCSignEthereumTransactionRequestUiState>() { | ||
|
|
||
| private val transactionData = TransactionData( | ||
| transaction.to, | ||
| transaction.value, | ||
| transaction.data | ||
| ) | ||
|
|
||
| private var gasData: GasData? = null | ||
| private var nonce: Long? = null | ||
| private var feeAmountData: SendModule.AmountData? | ||
| private var fields: List<DataField> | ||
|
|
||
| init { | ||
| val gasPrice = if (transaction.maxFeePerGas != null && transaction.maxPriorityFeePerGas != null) { | ||
| GasPrice.Eip1559(transaction.maxFeePerGas, transaction.maxPriorityFeePerGas) | ||
| } else if (transaction.gasPrice != null) { | ||
| GasPrice.Legacy(transaction.gasPrice) | ||
| } else { | ||
| null | ||
| } | ||
|
|
||
| feeAmountData = if (gasPrice != null && transaction.gasLimit != null) { | ||
| GasData(gasLimit = transaction.gasLimit, gasPrice = gasPrice).let { | ||
| gasData = it | ||
| baseCoinService.amountData( | ||
| it.estimatedFee, | ||
| it.isSurcharged | ||
| ) | ||
| } | ||
| } else { | ||
| null | ||
| } | ||
|
|
||
| nonce = transaction.nonce | ||
|
|
||
| fields = if (transaction.nonce != null) { | ||
| listOf(DataFieldNonce(transaction.nonce)) | ||
| } else { | ||
| emptyList() | ||
| } | ||
| } | ||
|
|
||
| override fun createState() = WCSignEthereumTransactionRequestUiState( | ||
| networkFee = feeAmountData, | ||
| cautions = emptyList(), | ||
| transactionFields = fields, | ||
| sectionViewItems = getSectionViewItems() | ||
| ) | ||
|
|
||
| private fun getSectionViewItems(): List<SectionViewItem> { | ||
| val items = sendEvmTransactionViewItemFactory.getItems( | ||
| transactionData, | ||
| null, | ||
| evmKit.evmKit.decorate(transactionData) | ||
| ) + SectionViewItem( | ||
| buildList { | ||
| add( | ||
| ViewItem.Value( | ||
| Translator.getString(R.string.WalletConnect_SignMessageRequest_dApp), | ||
| dAppName, | ||
| ValueType.Regular | ||
| ) | ||
| ) | ||
| } | ||
| ) | ||
|
|
||
| return items | ||
| } | ||
|
|
||
| suspend fun sign() = withContext(Dispatchers.Default) { | ||
| val signer = evmKit.signer ?: throw WCSessionManager.RequestDataError.NoSigner | ||
| val gasData = gasData ?: throw WCSessionManager.RequestDataError.InvalidGasPrice | ||
| val nonce = nonce ?: throw WCSessionManager.RequestDataError.InvalidNonce | ||
|
|
||
| val signature = signer.signedTransaction( | ||
| address = transactionData.to, | ||
| value = transactionData.value, | ||
| transactionInput = transactionData.input, | ||
| gasPrice = gasData.gasPrice, | ||
| gasLimit = gasData.gasLimit, | ||
| nonce = nonce | ||
| ) | ||
|
|
||
| WCDelegate.sessionRequestEvent?.let { sessionRequest -> | ||
| WCDelegate.respondPendingRequest(sessionRequest.request.id, sessionRequest.topic, signature.toHexString()) | ||
| } | ||
| } | ||
|
|
||
| fun reject() { | ||
| WCDelegate.sessionRequestEvent?.let { sessionRequest -> | ||
| WCDelegate.rejectRequest(sessionRequest.topic, sessionRequest.request.id) | ||
| } | ||
| } | ||
|
|
||
| class Factory( | ||
| private val blockchainType: BlockchainType, | ||
| private val transaction: WalletConnectTransaction, | ||
| private val peerName: String | ||
| ) : ViewModelProvider.Factory { | ||
| @Suppress("UNCHECKED_CAST") | ||
| override fun <T : ViewModel> create(modelClass: Class<T>): T { | ||
| val token = App.evmBlockchainManager.getBaseToken(blockchainType)!! | ||
| val evmKitWrapper = App.evmBlockchainManager.getEvmKitManager(blockchainType).evmKitWrapper!! | ||
| val coinServiceFactory = EvmCoinServiceFactory( | ||
| token, | ||
| App.marketKit, | ||
| App.currencyManager, | ||
| App.coinManager | ||
| ) | ||
|
|
||
| val sendEvmTransactionViewItemFactory = SendEvmTransactionViewItemFactory( | ||
| App.evmLabelManager, | ||
| coinServiceFactory, | ||
| App.contactsRepository, | ||
| blockchainType | ||
| ) | ||
|
|
||
|
|
||
| return WCSignEthereumTransactionRequestViewModel( | ||
| evmKitWrapper, | ||
| coinServiceFactory.baseCoinService, | ||
| sendEvmTransactionViewItemFactory, | ||
| peerName, | ||
| transaction | ||
| ) as T | ||
| } | ||
| } | ||
| } | ||
|
|
||
| data class WCSignEthereumTransactionRequestUiState( | ||
| val networkFee: SendModule.AmountData?, | ||
| val cautions: List<CautionViewItem>, | ||
| val transactionFields: List<DataField>, | ||
| val sectionViewItems: List<SectionViewItem> | ||
| ) |
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