Updated on 2026-08-14

domain/staking/src/main/java/com/tangem/domain/staking/model/StakingAvailability.kt

@@ -13,6 +13,12 @@ sealed class StakingAvailability {
     data object Unavailable : StakingAvailability()
 
     data object TemporaryUnavailable : StakingAvailability()
+
+    /**
+     * The P2P API returned HTTP 451 — staking is blocked in the user's region.
+     * New stakes are not offered; an existing stake is shown as a read-only block.
+     */
+    data object RegionUnavailable : StakingAvailability()
 }
 
 /** Staking option if the integration is known (Available or Full), else null. */
@@ -22,5 +28,6 @@ val StakingAvailability.optionOrNull: StakingOption?
         is StakingAvailability.Full -> option
         StakingAvailability.Unavailable,
         StakingAvailability.TemporaryUnavailable,
+        StakingAvailability.RegionUnavailable,
         -> null
     }

domain/staking/src/main/java/com/tangem/domain/staking/toggles/StakingFeatureToggles.kt

@@ -7,4 +7,6 @@ interface StakingFeatureToggles {
     fun isIntegrationEnabled(integrationId: StakingIntegrationID): Boolean
 
     fun isSolanaUnstakeValidationEnabled(): Boolean
+
+    fun isRegionUnavailableHandlingEnabled(): Boolean
 }

domain/tokens/src/main/kotlin/com/tangem/domain/tokens/actions/BaseActionsFactory.kt

@@ -182,6 +182,7 @@ internal open class BaseActionsFactory(
             )
             is StakingAvailability.Full -> null
             StakingAvailability.Unavailable -> null
+            StakingAvailability.RegionUnavailable -> null
         }
     }
 

domain/tokens/src/test/kotlin/com/tangem/domain/tokens/actions/CommonActionsFactoryTest.kt

@@ -95,14 +95,30 @@ internal class CommonActionsFactoryTest {
         assertThat(buyAction.unavailabilityReason).isEqualTo(ScenarioUnavailabilityReason.None)
     }
 
+    @Test
+    fun `GIVEN region unavailable WHEN create THEN no stake action offered`() = runTest {
+        // Arrange
+        every { cardTypesResolver.isStart2Coin() } returns false
+
+        // Act
+        val actions = createActions(stakingAvailability = StakingAvailability.RegionUnavailable)
+
+        // Assert
+        assertThat(actions.filterIsInstance<ActionState.Stake>()).isEmpty()
+    }
+
     private suspend fun createBuyAction(): ActionState.Buy {
-        val actions = factory.create(
+        val actions = createActions(stakingAvailability = StakingAvailability.Unavailable)
+        return actions.filterIsInstance<ActionState.Buy>().single()
+    }
+
+    private suspend fun createActions(stakingAvailability: StakingAvailability): Set<ActionState> {
+        return factory.create(
             userWallet = userWallet,
             cryptoCurrencyStatus = cryptoCurrencyStatus,
-            stakingAvailability = StakingAvailability.Unavailable,
+            stakingAvailability = stakingAvailability,
             yieldSupplyAvailability = YieldSupplyAvailability.Unavailable,
             shouldShowSwapStories = false,
         )
-        return actions.filterIsInstance<ActionState.Buy>().single()
     }
 }