Updated on 2026-08-14

features/address-book/impl/src/main/kotlin/com/tangem/features/addressbook/common/AddressBookChildFactory.kt

@@ -74,10 +74,18 @@ internal class AddressBookChildFactory @Inject constructor(
         )
     }
 
-    /** Builds the address attached up-front in WithContactCreation mode, when both the address and network are known. */
+    /**
+     * Builds the address attached up-front in WithContactCreation mode, when both the address and network are known.
+     * The memo rides along when one was provided; `ContactAddressEntriesConverter` drops it on save if the network has
+     * no transaction extras.
+     */
     private fun buildPredefinedAddress(route: AddressBookRoute.EditContact): ValidatedAddress? {
         val address = route.predefinedAddress ?: return null
         val networkId = route.predefinedNetworkId ?: return null
-        return ValidatedAddress(address = address, networkIds = persistentListOf(networkId))
+        return ValidatedAddress(
+            address = address,
+            networkIds = persistentListOf(networkId),
+            memo = route.predefinedMemo,
+        )
     }
 }

features/address-book/impl/src/main/kotlin/com/tangem/features/addressbook/common/DefaultAddressBookComponent.kt

@@ -139,6 +139,7 @@ internal class DefaultAddressBookComponent @AssistedInject constructor(
             AddressBookRoute.EditContact(
                 predefinedAddress = mode.address,
                 predefinedNetworkId = mode.networkId,
+                predefinedMemo = mode.memo,
             ),
         )
     }

features/address-book/impl/src/main/kotlin/com/tangem/features/addressbook/route/AddressBookRoute.kt

@@ -16,15 +16,17 @@ internal sealed class AddressBookRoute {
     /**
      * if [contactId] is not null we should fetch existing contact.
      *
-     * [predefinedAddress] and [predefinedNetworkId] are set only when the feature is opened in
+     * [predefinedAddress], [predefinedNetworkId] and [predefinedMemo] are set only when the feature is opened in
      * [com.tangem.common.routing.entity.AddressBookOpenMode.WithContactCreation] mode — the address and its
-     * network are already known, so the new contact is opened with that address already attached.
+     * network are already known, so the new contact is opened with that address already attached. [predefinedMemo]
+     * stays null when the network has no transaction extras or no memo was entered.
      */
     @Serializable
     data class EditContact(
         val contactId: String? = null,
         val predefinedAddress: String? = null,
         val predefinedNetworkId: String? = null,
+        val predefinedMemo: String? = null,
     ) : AddressBookRoute()
 
     /**