fix: channel file name

Author: Jasonvdb

lib/android/src/main/java/com/reactnativeldk/classes/LdkPersister.kt

@@ -9,7 +9,7 @@ import java.io.File
 
 class LdkPersister {
     fun handleChannel(channelFundingOutpoint: OutPoint, data: ChannelMonitor, update_id: MonitorUpdateId): ChannelMonitorUpdateStatus {
-        val channelId = channelFundingOutpoint._txid.hexEncodedString()
+        val channelId = data.channel_id()._a.hexEncodedString()
         val body = Arguments.createMap()
         body.putString("channel_id", channelId)
         body.putHexString("counterparty_node_id", data._counterparty_node_id)

lib/ios/Classes/LdkPersist.swift

@@ -10,12 +10,12 @@ import LightningDevKit
 
 class LdkPersister: Persist {
     private func handleChannel(_ channelFundingOutpoint: Bindings.OutPoint, _ data: ChannelMonitor, _ updateId: Bindings.MonitorUpdateId) -> ChannelMonitorUpdateStatus {
-        guard let txId = channelFundingOutpoint.getTxid() else {
+        guard let channelId = data.channelId().getA() else {
             LdkEventEmitter.shared.send(withEvent: .native_log, body: "Error. Missing channelFundingOutpoint.getTxid(). Cannot persist channel")
             return .UnrecoverableError
         }
 
-        let channelIdHex = Data(txId).hexEncodedString()
+        let channelIdHex = Data(channelId).hexEncodedString()
         let body = [
             "channel_id": channelIdHex,
             "counterparty_node_id": Data(data.getCounterpartyNodeId() ?? []).hexEncodedString()