feat: migrate secret management to datastore proto and tink

app/src/main/java/com/bitcointxoko/gudariwallet/api/LNbitsClient.kt

@@ -1,7 +1,11 @@
 package com.bitcointxoko.gudariwallet.api
 
 import com.bitcointxoko.gudariwallet.BuildConfig
+import com.bitcointxoko.gudariwallet.security.SecretStore
 import com.bitcointxoko.gudariwallet.util.WalletConstants
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
 import okhttp3.OkHttpClient
 import okhttp3.logging.HttpLoggingInterceptor
 import retrofit2.Retrofit
@@ -25,10 +29,14 @@ object LNbitsClient {
         }
         .build()
 
-    fun create(baseUrl: String): LNbitsApi {
-        val url = if (baseUrl.endsWith("/")) baseUrl else "$baseUrl/"
+    fun create(secrets: SecretStore): LNbitsApi {
+        val baseUrl = runBlocking(Dispatchers.IO) {
+            secrets.credentials.first().baseUrl
+        }.ifBlank { "https://placeholder.invalid" }
+        val normalizedUrl = if (baseUrl.endsWith("/")) baseUrl else "$baseUrl/"
+
         return Retrofit.Builder()
-            .baseUrl(url)
+            .baseUrl(normalizedUrl)
             .client(httpClient)
             .addConverterFactory(GsonConverterFactory.create(GsonProvider.gson))
             .build()