core: reaload offers from db if any

When we store offers, we should also restore the status of the
offer manager when we are restarting the node implementation.

Signed-off-by: Vincenzo Palazzo <[email protected]>

modules/core/src/commonMain/kotlin/fr/acinq/lightning/io/Peer.kt

@@ -348,6 +348,10 @@ class Peer(
                 previousState = it
             }
         }
+
+        launch {
+            reloadOffersFromPersistance()
+        }
     }
 
     data class ConnectionJob(val job: Job, val socket: TcpSocket) {
@@ -752,6 +756,16 @@ class Peer(
         return offer
     }
 
+    /**
+     * Reload the offers from the database to allow to reuse custom offers across restarts.
+     */
+    suspend fun reloadOffersFromPersistance() {
+        val offers = db.offers.listOffers()
+        offers.forEach { (pathId, offer) ->
+            offerManager.registerOffer(offer, pathId.value)
+        }
+    }
+
     // The (node_id, fcm_token) tuple only needs to be registered once.
     // And after that, only if the tuple changes (e.g. different fcm_token).
     fun registerFcmToken(token: String?) {