Don't crash on and show unknown events

Also don't crash on unexpected properties

2 files changed, 10 insertions, 2 deletions

diff --git a/app/src/main/java/net/taler/wallet/WalletViewModel.kt b/app/src/main/java/net/taler/wallet/WalletViewModel.kt
index bc8c7e2..ad41e77 100644
--- a/app/src/main/java/net/taler/wallet/WalletViewModel.kt
+++ b/app/src/main/java/net/taler/wallet/WalletViewModel.kt
@@ -19,6 +19,7 @@ package net.taler.wallet
 import android.app.Application
 import android.util.Log
 import androidx.lifecycle.*
+import com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.module.kotlin.KotlinModule
 import com.fasterxml.jackson.module.kotlin.readValue
@@ -130,7 +131,9 @@ class WalletViewModel(val app: Application) : AndroidViewModel(app) {
     private var currentWithdrawRequestId = 0
 
     private val walletBackendApi = WalletBackendApi(app)
-    private val mapper = ObjectMapper().registerModule(KotlinModule())
+    private val mapper = ObjectMapper()
+        .registerModule(KotlinModule())
+        .configure(FAIL_ON_UNKNOWN_PROPERTIES, false)
 
     fun init() {
         if (initialized) {
diff --git a/app/src/main/java/net/taler/wallet/history/HistoryEvent.kt b/app/src/main/java/net/taler/wallet/history/HistoryEvent.kt
index e2a7c7e..787b430 100644
--- a/app/src/main/java/net/taler/wallet/history/HistoryEvent.kt
+++ b/app/src/main/java/net/taler/wallet/history/HistoryEvent.kt
@@ -87,7 +87,8 @@ typealias History = ArrayList<HistoryEvent>
 @JsonTypeInfo(
     use = NAME,
     include = PROPERTY,
-    property = "type"
+    property = "type",
+    defaultImpl = HistoryUnknownEvent::class
 )
 /** missing:
 AuditorComplaintSent = "auditor-complained-sent",
@@ -136,6 +137,10 @@ abstract class HistoryEvent(
 }
 
 
+class HistoryUnknownEvent(timestamp: Timestamp) : HistoryEvent(timestamp) {
+    override val title = R.string.history_event_unknown
+}
+
 @JsonTypeName("exchange-added")
 class ExchangeAddedEvent(
     timestamp: Timestamp,