Organize feature/swap into coordinators

android/app/src/main/kotlin/com/gemwallet/android/ui/navigation/RootRoute.kt

@@ -20,7 +20,7 @@ import com.gemwallet.android.features.onboarding.AcceptTermsDestination
 import com.gemwallet.android.features.onboarding.AcceptTermsRoute
 import com.gemwallet.android.features.onboarding.OnboardingRoute
 import com.gemwallet.android.features.setup_wallet.navigation.SetupWalletRoute
-import com.gemwallet.android.features.swap.viewmodels.models.SwapItemType
+import com.gemwallet.android.domains.swap.SwapItemType
 import com.gemwallet.android.model.AmountParams
 import com.gemwallet.android.model.ConfirmParams
 import com.gemwallet.android.model.ImportType

android/app/src/main/kotlin/com/gemwallet/android/ui/navigation/routes/Swap.kt

@@ -3,7 +3,7 @@ package com.gemwallet.android.ui.navigation.routes
 import androidx.compose.runtime.Composable
 import androidx.navigation3.runtime.EntryProviderScope
 import androidx.navigation3.runtime.NavKey
-import com.gemwallet.android.features.swap.viewmodels.models.SwapItemType
+import com.gemwallet.android.domains.swap.SwapItemType
 import com.gemwallet.android.features.swap.views.SwapScreen
 import com.gemwallet.android.features.swap.views.SwapSelectScreen
 import com.gemwallet.android.model.ConfirmParams

android/app/src/test/kotlin/com/gemwallet/android/ui/navigation/WalletNavigatorTest.kt

@@ -13,7 +13,7 @@ import com.gemwallet.android.features.onboarding.AcceptTermsDestination
 import com.gemwallet.android.features.onboarding.AcceptTermsRoute
 import com.gemwallet.android.features.onboarding.OnboardingRoute
 import com.gemwallet.android.features.setup_wallet.navigation.SetupWalletRoute
-import com.gemwallet.android.features.swap.viewmodels.models.SwapItemType
+import com.gemwallet.android.domains.swap.SwapItemType
 import com.gemwallet.android.model.ImportType
 import com.gemwallet.android.testkit.mockAssetId
 import com.gemwallet.android.testkit.mockWalletId

android/data/coordinators/src/main/kotlin/com/gemwallet/android/data/coordinators/di/SwapModule.kt

@@ -0,0 +1,89 @@
+package com.gemwallet.android.data.coordinators.di
+
+import com.gemwallet.android.application.PasswordStore
+import com.gemwallet.android.application.swap.coordinators.BuildSwapConfirmParams
+import com.gemwallet.android.application.swap.coordinators.GetSwapQuoteData
+import com.gemwallet.android.application.swap.coordinators.GetSwapQuotes
+import com.gemwallet.android.application.swap.coordinators.GetSwapSupported
+import com.gemwallet.android.application.swap.coordinators.RequestSwapQuotes
+import com.gemwallet.android.application.swap.coordinators.SearchSwapAssets
+import com.gemwallet.android.blockchain.operators.LoadPrivateKeyOperator
+import com.gemwallet.android.blockchain.services.SignClientProxy
+import com.gemwallet.android.data.coordinators.swap.BuildSwapConfirmParamsImpl
+import com.gemwallet.android.data.coordinators.swap.GetSwapQuoteDataImpl
+import com.gemwallet.android.data.coordinators.swap.GetSwapQuotesImpl
+import com.gemwallet.android.data.coordinators.swap.GetSwapSupportedImpl
+import com.gemwallet.android.data.coordinators.swap.RequestSwapQuotesImpl
+import com.gemwallet.android.data.coordinators.swap.SearchSwapAssetsImpl
+import com.gemwallet.android.data.repositories.assets.AssetsRepository
+import com.gemwallet.android.data.repositories.session.SessionRepository
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import uniffi.gemstone.AlienProvider
+import uniffi.gemstone.GemSwapper
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+object SwapModule {
+
+    @Singleton
+    @Provides
+    fun provideGemSwapper(
+        alienProvider: AlienProvider,
+    ): GemSwapper = GemSwapper(alienProvider)
+
+    @Singleton
+    @Provides
+    fun provideGetSwapQuotes(
+        gemSwapper: GemSwapper,
+    ): GetSwapQuotes = GetSwapQuotesImpl(gemSwapper)
+
+    @Singleton
+    @Provides
+    fun provideGetSwapSupported(
+        gemSwapper: GemSwapper,
+    ): GetSwapSupported = GetSwapSupportedImpl(gemSwapper)
+
+    @Singleton
+    @Provides
+    fun provideGetSwapQuoteData(
+        gemSwapper: GemSwapper,
+        signClient: SignClientProxy,
+        passwordStore: PasswordStore,
+        loadPrivateKeyOperator: LoadPrivateKeyOperator,
+    ): GetSwapQuoteData = GetSwapQuoteDataImpl(
+        gemSwapper = gemSwapper,
+        signClient = signClient,
+        passwordStore = passwordStore,
+        loadPrivateKeyOperator = loadPrivateKeyOperator,
+    )
+
+    @Singleton
+    @Provides
+    fun provideRequestSwapQuotes(
+        getSwapQuotes: GetSwapQuotes,
+    ): RequestSwapQuotes = RequestSwapQuotesImpl(getSwapQuotes)
+
+    @Singleton
+    @Provides
+    fun provideBuildSwapConfirmParams(
+        sessionRepository: SessionRepository,
+        getSwapQuoteData: GetSwapQuoteData,
+    ): BuildSwapConfirmParams = BuildSwapConfirmParamsImpl(
+        sessionRepository = sessionRepository,
+        getSwapQuoteData = getSwapQuoteData,
+    )
+
+    @Singleton
+    @Provides
+    fun provideSearchSwapAssets(
+        assetsRepository: AssetsRepository,
+        getSwapSupported: GetSwapSupported,
+    ): SearchSwapAssets = SearchSwapAssetsImpl(
+        assetsRepository = assetsRepository,
+        getSwapSupported = getSwapSupported,
+    )
+}

android/data/coordinators/src/main/kotlin/com/gemwallet/android/data/coordinators/swap/BuildSwapConfirmParamsImpl.kt

@@ -0,0 +1,55 @@
+package com.gemwallet.android.data.coordinators.swap
+
+import com.gemwallet.android.application.swap.coordinators.BuildSwapConfirmParams
+import com.gemwallet.android.application.swap.coordinators.GetSwapQuoteData
+import com.gemwallet.android.application.swap.coordinators.SwapNoQuoteException
+import com.gemwallet.android.data.repositories.session.SessionRepository
+import com.gemwallet.android.model.AssetInfo
+import com.gemwallet.android.model.ConfirmParams
+import com.gemwallet.android.model.toModel
+import kotlinx.coroutines.flow.firstOrNull
+import uniffi.gemstone.SwapperQuote
+import java.math.BigInteger
+
+class BuildSwapConfirmParamsImpl(
+    private val sessionRepository: SessionRepository,
+    private val getSwapQuoteData: GetSwapQuoteData,
+) : BuildSwapConfirmParams {
+
+    override suspend fun invoke(
+        quote: SwapperQuote,
+        pay: AssetInfo,
+        receive: AssetInfo,
+    ): ConfirmParams.SwapParams? {
+        val wallet = sessionRepository.session().firstOrNull()?.wallet ?: return null
+
+        val swapData = try {
+            getSwapQuoteData(quote, wallet)
+        } catch (_: Throwable) {
+            throw SwapNoQuoteException()
+        }
+
+        val from = pay.owner ?: throw SwapNoQuoteException()
+        return ConfirmParams.SwapParams(
+            from = from,
+            fromAsset = pay.asset,
+            toAsset = receive.asset,
+            fromAmount = BigInteger(quote.fromValue),
+            toAmount = BigInteger(quote.toValue),
+            swapData = swapData.data,
+            providerId = quote.data.provider.id,
+            protocol = quote.data.provider.protocol,
+            providerName = quote.data.provider.name,
+            protocolId = quote.data.provider.protocolId,
+            toAddress = swapData.to,
+            value = swapData.value,
+            approval = swapData.approval?.toModel(),
+            gasLimit = swapData.gasLimit?.toBigIntegerOrNull(),
+            useMaxAmount = quote.request.options.useMaxAmount,
+            etaInSeconds = quote.etaInSeconds,
+            slippageBps = quote.data.slippageBps,
+            memo = swapData.memo,
+            dataType = swapData.dataType,
+        )
+    }
+}

android/data/coordinators/src/main/kotlin/com/gemwallet/android/data/coordinators/swap/GetSwapQuoteDataImpl.kt

@@ -0,0 +1,75 @@
+package com.gemwallet.android.data.coordinators.swap
+
+import com.gemwallet.android.application.PasswordStore
+import com.gemwallet.android.application.swap.coordinators.GetSwapQuoteData
+import com.gemwallet.android.blockchain.operators.LoadPrivateKeyOperator
+import com.gemwallet.android.blockchain.services.SignClientProxy
+import com.gemwallet.android.ext.toAssetId
+import com.gemwallet.android.math.decodeHex
+import com.wallet.core.primitives.Wallet
+import uniffi.gemstone.Config
+import uniffi.gemstone.FetchQuoteData
+import uniffi.gemstone.GemSwapQuoteData
+import uniffi.gemstone.GemSwapper
+import uniffi.gemstone.Permit2Data
+import uniffi.gemstone.Permit2Detail
+import uniffi.gemstone.PermitSingle
+import uniffi.gemstone.SwapperQuote
+import uniffi.gemstone.permit2DataToEip712Json
+import java.util.Arrays
+
+class GetSwapQuoteDataImpl(
+    private val gemSwapper: GemSwapper,
+    private val signClient: SignClientProxy,
+    private val passwordStore: PasswordStore,
+    private val loadPrivateKeyOperator: LoadPrivateKeyOperator,
+) : GetSwapQuoteData {
+
+    override suspend fun invoke(quote: SwapperQuote, wallet: Wallet): GemSwapQuoteData {
+        val permit = gemSwapper.getPermit2ForQuote(quote = quote)
+
+        if (permit == null) {
+            return gemSwapper.getQuoteData(quote, FetchQuoteData.None)
+        }
+
+        val permit2Single = permit2Single(
+            token = permit.token,
+            spender = permit.spender,
+            value = permit.value,
+            nonce = permit.permit2Nonce,
+        )
+        val chain = quote.request.fromAsset.id.toAssetId()?.chain ?: throw Exception()
+        val permit2Json = permit2DataToEip712Json(
+            chain = chain.string,
+            data = permit2Single,
+            contract = permit.permit2Contract,
+        )
+        val key = loadPrivateKeyOperator.invoke(wallet, chain, passwordStore.getPassword(key = wallet.id))
+        val signature = try {
+            signClient.signTypedMessage(
+                chain = chain,
+                input = permit2Json.toByteArray(),
+                privateKey = key,
+            ).decodeHex()
+        } finally {
+            Arrays.fill(key, 0)
+        }
+        val permitData = Permit2Data(permit2Single, signature)
+        return gemSwapper.getQuoteData(quote, FetchQuoteData.Permit2(permitData))
+    }
+
+    private fun permit2Single(token: String, spender: String, value: String, nonce: ULong): PermitSingle {
+        val config = Config().getSwapConfig()
+        val now = (System.currentTimeMillis() / 1000).toULong()
+        return PermitSingle(
+            details = Permit2Detail(
+                token = token,
+                amount = value,
+                expiration = now + config.permit2Expiration,
+                nonce = nonce,
+            ),
+            spender = spender,
+            sigDeadline = now + config.permit2SigDeadline,
+        )
+    }
+}

android/data/coordinators/src/main/kotlin/com/gemwallet/android/data/coordinators/swap/GetSwapQuotesImpl.kt

@@ -0,0 +1,53 @@
+package com.gemwallet.android.data.coordinators.swap
+
+import com.gemwallet.android.application.swap.coordinators.GetSwapQuotes
+import com.gemwallet.android.domains.asset.chain
+import com.gemwallet.android.ext.toIdentifier
+import com.wallet.core.primitives.Asset
+import uniffi.gemstone.Config
+import uniffi.gemstone.GemSwapper
+import uniffi.gemstone.SwapperMode
+import uniffi.gemstone.SwapperOptions
+import uniffi.gemstone.SwapperQuote
+import uniffi.gemstone.SwapperQuoteAsset
+import uniffi.gemstone.SwapperQuoteRequest
+import uniffi.gemstone.getDefaultSlippage
+import java.math.BigInteger
+
+class GetSwapQuotesImpl(
+    private val gemSwapper: GemSwapper,
+) : GetSwapQuotes {
+    override suspend fun getQuotes(
+        ownerAddress: String,
+        destination: String,
+        from: Asset,
+        to: Asset,
+        amount: String,
+        useMaxAmount: Boolean,
+    ): List<SwapperQuote> {
+        val swapRequest = SwapperQuoteRequest(
+            fromAsset = SwapperQuoteAsset(
+                id = from.id.toIdentifier(),
+                symbol = from.symbol,
+                decimals = from.decimals.toUInt(),
+            ),
+            toAsset = SwapperQuoteAsset(
+                id = to.id.toIdentifier(),
+                symbol = to.symbol,
+                decimals = to.decimals.toUInt(),
+            ),
+            walletAddress = ownerAddress,
+            destinationAddress = destination,
+            value = amount,
+            mode = SwapperMode.EXACT_IN,
+            options = SwapperOptions(
+                slippage = getDefaultSlippage(from.chain.string),
+                fee = Config().getSwapConfig().referralFee,
+                preferredProviders = emptyList(),
+                useMaxAmount = useMaxAmount,
+            )
+        )
+        return gemSwapper.getQuote(swapRequest)
+            .sortedByDescending { BigInteger(it.toValue) }
+    }
+}

android/data/coordinators/src/main/kotlin/com/gemwallet/android/data/coordinators/swap/GetSwapSupportedImpl.kt

@@ -0,0 +1,15 @@
+package com.gemwallet.android.data.coordinators.swap
+
+import com.gemwallet.android.application.swap.coordinators.GetSwapSupported
+import com.gemwallet.android.ext.toIdentifier
+import com.wallet.core.primitives.AssetId
+import uniffi.gemstone.GemSwapper
+import uniffi.gemstone.SwapperAssetList
+
+class GetSwapSupportedImpl(
+    private val gemSwapper: GemSwapper,
+) : GetSwapSupported {
+    override fun getSwapSupportChains(assetId: AssetId): SwapperAssetList {
+        return gemSwapper.supportedChainsForFromAsset(assetId.toIdentifier())
+    }
+}