Initial commit: Pezkuwi Wallet Android

Complete rebrand of Nova Wallet for Pezkuwichain ecosystem.

## Features
- Full Pezkuwichain support (HEZ & PEZ tokens)
- Polkadot ecosystem compatibility
- Staking, Governance, DeFi, NFTs
- XCM cross-chain transfers
- Hardware wallet support (Ledger, Polkadot Vault)
- WalletConnect v2
- Push notifications

## Languages
- English, Turkish, Kurmanci (Kurdish), Spanish, French, German, Russian, Japanese, Chinese, Korean, Portuguese, Vietnamese

Based on Nova Wallet by Novasama Technologies GmbH
© Dijital Kurdistan Tech Institute 2026

feature-buy-api/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/di/BuyFeatureApi.kt

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+package io.novafoundation.nova.feature_buy_api.di
+
+import io.novafoundation.nova.feature_buy_api.di.deeplinks.BuyDeepLinks
+import io.novafoundation.nova.feature_buy_api.presentation.trade.TradeTokenRegistry
+import io.novafoundation.nova.feature_buy_api.presentation.mixin.TradeMixin
+import io.novafoundation.nova.feature_buy_api.presentation.trade.interceptors.mercuryo.MercuryoBuyRequestInterceptorFactory
+import io.novafoundation.nova.feature_buy_api.presentation.trade.interceptors.mercuryo.MercuryoSellRequestInterceptorFactory
+
+interface BuyFeatureApi {
+
+    val buyTokenRegistry: TradeTokenRegistry
+
+    val tradeMixinFactory: TradeMixin.Factory
+
+    val mercuryoBuyRequestInterceptorFactory: MercuryoBuyRequestInterceptorFactory
+
+    val mercuryoSellRequestInterceptorFactory: MercuryoSellRequestInterceptorFactory
+
+    val buyDeepLinks: BuyDeepLinks
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/di/deeplinks/BuyDeepLinks.kt

@@ -0,0 +1,5 @@
+package io.novafoundation.nova.feature_buy_api.di.deeplinks
+
+import io.novafoundation.nova.feature_deep_linking.presentation.handling.DeepLinkHandler
+
+class BuyDeepLinks(val deepLinkHandlers: List<DeepLinkHandler>)

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/mixin/TradeMixin.kt

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+package io.novafoundation.nova.feature_buy_api.presentation.mixin
+
+import io.novafoundation.nova.common.mixin.MixinFactory
+import io.novafoundation.nova.feature_buy_api.presentation.trade.TradeProvider
+import io.novafoundation.nova.feature_buy_api.presentation.trade.TradeTokenRegistry
+import io.novafoundation.nova.runtime.multiNetwork.chain.model.Chain
+
+interface TradeMixin {
+
+    fun providersFor(chainAsset: Chain.Asset, tradeType: TradeTokenRegistry.TradeType): List<TradeProvider>
+
+    fun <T> providerFor(chainAsset: Chain.Asset, tradeFlow: TradeTokenRegistry.TradeType, providerId: String): T
+
+    interface Presentation : TradeMixin
+
+    interface Factory : MixinFactory<TradeMixin>
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/TradeTokenRegistry.kt

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+package io.novafoundation.nova.feature_buy_api.presentation.trade
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import io.novafoundation.nova.feature_buy_api.presentation.trade.common.OnTradeOperationFinishedListener
+import io.novafoundation.nova.feature_buy_api.presentation.trade.common.OnSellOrderCreatedListener
+import io.novafoundation.nova.runtime.multiNetwork.chain.model.Chain
+
+typealias TradeProvider = TradeTokenRegistry.Provider<*>
+
+interface TradeTokenRegistry {
+
+    fun hasProvider(chainAsset: Chain.Asset): Boolean
+
+    fun hasProvider(chainAsset: Chain.Asset, tradeType: TradeType): Boolean
+
+    fun availableProvidersFor(chainAsset: Chain.Asset, tradeType: TradeType): List<TradeProvider>
+
+    interface Provider<I : Integrator<*>> {
+        val id: String
+
+        val name: String
+
+        val officialUrl: String
+
+        @get:DrawableRes
+        val logoRes: Int
+
+        fun getPaymentMethods(tradeType: TradeType): List<PaymentMethod>
+
+        @StringRes
+        fun getDescriptionRes(tradeType: TradeType): Int
+
+        fun createIntegrator(
+            chainAsset: Chain.Asset,
+            address: String,
+            tradeFlow: TradeType,
+            onCloseListener: OnTradeOperationFinishedListener,
+            onSellOrderCreatedListener: OnSellOrderCreatedListener
+        ): I
+    }
+
+    interface Integrator<T> {
+
+        suspend fun run(using: T)
+    }
+
+    enum class TradeType {
+        BUY, SELL
+    }
+
+    sealed interface PaymentMethod {
+        object Visa : PaymentMethod
+        object MasterCard : PaymentMethod
+        object ApplePay : PaymentMethod
+        object GooglePay : PaymentMethod
+        object Sepa : PaymentMethod
+        object BankTransfer : PaymentMethod
+
+        class Other(val quantity: Int) : PaymentMethod
+    }
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/common/OnSellOrderCreatedListener.kt

@@ -0,0 +1,7 @@
+package io.novafoundation.nova.feature_buy_api.presentation.trade.common
+
+import java.math.BigDecimal
+
+interface OnSellOrderCreatedListener {
+    fun onSellOrderCreated(orderId: String, address: String, amount: BigDecimal)
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/common/OnTradeOperationFinishedListener.kt

@@ -0,0 +1,5 @@
+package io.novafoundation.nova.feature_buy_api.presentation.trade.common
+
+interface OnTradeOperationFinishedListener {
+    fun onTradeOperationFinished(success: Boolean)
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/interceptors/mercuryo/MercuryoBuyRequestInterceptor.kt

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+package io.novafoundation.nova.feature_buy_api.presentation.trade.interceptors.mercuryo
+
+import io.novafoundation.nova.common.utils.webView.WebViewRequestInterceptor
+import io.novafoundation.nova.feature_buy_api.presentation.trade.common.OnTradeOperationFinishedListener
+
+interface MercuryoBuyRequestInterceptorFactory {
+    fun create(onTradeOperationFinishedListener: OnTradeOperationFinishedListener): MercuryoBuyRequestInterceptor
+}
+
+interface MercuryoBuyRequestInterceptor : WebViewRequestInterceptor

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/interceptors/mercuryo/MercuryoSellRequestInterceptor.kt

@@ -0,0 +1,14 @@
+package io.novafoundation.nova.feature_buy_api.presentation.trade.interceptors.mercuryo
+
+import io.novafoundation.nova.common.utils.webView.WebViewRequestInterceptor
+import io.novafoundation.nova.feature_buy_api.presentation.trade.common.OnSellOrderCreatedListener
+import io.novafoundation.nova.feature_buy_api.presentation.trade.common.OnTradeOperationFinishedListener
+
+interface MercuryoSellRequestInterceptorFactory {
+    fun create(
+        tradeSellCallback: OnSellOrderCreatedListener,
+        onTradeOperationFinishedListener: OnTradeOperationFinishedListener
+    ): MercuryoSellRequestInterceptor
+}
+
+interface MercuryoSellRequestInterceptor : WebViewRequestInterceptor

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/providers/ProviderUtils.kt

@@ -0,0 +1,5 @@
+package io.novafoundation.nova.feature_buy_api.presentation.trade.providers
+
+object ProviderUtils {
+    const val REDIRECT_URL_BASE = "https://www.google.com/"
+}

feature-buy-api/src/main/java/io/novafoundation/nova/feature_buy_api/presentation/trade/providers/WebViewIntegrationProvider.kt

@@ -0,0 +1,9 @@
+package io.novafoundation.nova.feature_buy_api.presentation.trade.providers
+
+import android.webkit.WebView
+import io.novafoundation.nova.feature_buy_api.presentation.trade.TradeTokenRegistry
+
+interface WebViewIntegrationProvider : TradeTokenRegistry.Provider<WebViewIntegrationProvider.Integrator> {
+
+    interface Integrator : TradeTokenRegistry.Integrator<WebView>
+}