Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/entities/FiatCurrency.kt

@@ -0,0 +1,18 @@
+package com.tangem.tap.common.entities
+
+data class FiatCurrency(
+    val code: String,
+    val name: String,
+    val symbol: String,
+) {
+    val displayName: String
+        get() = "${this.name} (${this.code}) - ${this.symbol}"
+
+    companion object {
+        val Default = FiatCurrency(
+            symbol = "$",
+            code = "USD",
+            name = "US Dollar",
+        )
+    }
+}

app/src/main/java/com/tangem/tap/common/extensions/Specific.kt

@@ -1,8 +1,10 @@
 package com.tangem.tap.common.extensions
 
+import android.text.Spanned
+import android.text.SpannedString
+import android.text.style.RelativeSizeSpan
+import androidx.core.text.buildSpannedString
 import com.tangem.common.extensions.isZero
-import com.tangem.network.api.tangemTech.CurrenciesResponse
-import com.tangem.tap.common.redux.global.FiatCurrencyName
 import java.math.BigDecimal
 import java.math.RoundingMode
 import java.text.DecimalFormat
@@ -37,7 +39,7 @@ fun BigDecimal.toFormattedCurrencyString(
     return "$formattedAmount $currency"
 }
 
-fun BigDecimal.toFiatString(rateValue: BigDecimal, fiatCurrencyName: FiatCurrencyName): String {
+fun BigDecimal.toFiatString(rateValue: BigDecimal, fiatCurrencyName: String): String {
     var fiatValue = rateValue.multiply(this)
     fiatValue = fiatValue.setScale(2, RoundingMode.HALF_UP)
     return "≈ ${fiatCurrencyName}  $fiatValue"
@@ -48,7 +50,7 @@ fun BigDecimal.toFiatValue(rateValue: BigDecimal): BigDecimal {
     return fiatValue.setScale(2, RoundingMode.HALF_UP)
 }
 
-fun BigDecimal.toFormattedFiatValue(fiatCurrencyName: FiatCurrencyName): String {
+fun BigDecimal.toFormattedFiatValue(fiatCurrencyName: String): String {
     return "≈ ${fiatCurrencyName}  $this"
 }
 

app/src/main/java/com/tangem/tap/common/extensions/WalletManager.kt

@@ -57,7 +57,7 @@ fun WalletManager?.getToUpUrl(): String? {
         action = CurrencyExchangeManager.Action.Buy,
         blockchain = wallet.blockchain,
         cryptoCurrencyName = wallet.blockchain.currency,
-        fiatCurrency = globalState.appCurrency,
+        fiatCurrencyName = globalState.appCurrency.code,
         walletAddress = defaultAddress,
     )
 }

app/src/main/java/com/tangem/tap/common/redux/global/GlobalAction.kt

@@ -6,6 +6,7 @@ import com.tangem.common.CompletionResult
 import com.tangem.common.core.TangemError
 import com.tangem.domain.common.ScanResponse
 import com.tangem.tap.common.analytics.GlobalAnalyticsHandler
+import com.tangem.tap.common.entities.FiatCurrency
 import com.tangem.tap.common.redux.*
 import com.tangem.tap.domain.TapError
 import com.tangem.tap.domain.configurable.config.ConfigManager
@@ -54,9 +55,9 @@ sealed class GlobalAction : Action {
 
     data class SetIfCardVerifiedOnline(val verified: Boolean) : GlobalAction()
 
-    data class ChangeAppCurrency(val appCurrency: FiatCurrencyName) : GlobalAction()
+    data class ChangeAppCurrency(val appCurrency: FiatCurrency) : GlobalAction()
     object RestoreAppCurrency : GlobalAction() {
-        data class Success(val appCurrency: FiatCurrencyName) : GlobalAction()
+        data class Success(val appCurrency: FiatCurrency) : GlobalAction()
     }
 
     data class UpdateWalletSignedHashes(

app/src/main/java/com/tangem/tap/common/redux/global/GlobalState.kt

@@ -2,7 +2,7 @@ package com.tangem.tap.common.redux.global
 
 import com.tangem.domain.common.ScanResponse
 import com.tangem.tap.common.analytics.AnalyticsHandler
-import com.tangem.tap.common.entities.TapCurrency.Companion.DEFAULT_FIAT_CURRENCY
+import com.tangem.tap.common.entities.FiatCurrency
 import com.tangem.tap.common.redux.StateDialog
 import com.tangem.tap.domain.PayIdManager
 import com.tangem.tap.domain.TapWalletManager
@@ -22,7 +22,7 @@ data class GlobalState(
     val configManager: ConfigManager? = null,
     val warningManager: WarningMessagesManager? = null,
     val feedbackManager: FeedbackManager? = null,
-    val appCurrency: FiatCurrencyName = DEFAULT_FIAT_CURRENCY,
+    val appCurrency: FiatCurrency = FiatCurrency.Default,
     val scanCardFailsCounter: Int = 0,
     val dialog: StateDialog? = null,
     val currencyExchangeManager: CurrencyExchangeManager? = null,
@@ -40,7 +40,6 @@ data class AndroidResources(
     )
 }
 typealias CryptoCurrencyName = String
-typealias FiatCurrencyName = String
 
 data class OnboardingState(
     val onboardingStarted: Boolean = false,