From ce5fb97515b113d2774536d37084cc8d422143f1 Mon Sep 17 00:00:00 2001
From: Overtorment <overtorment@gmail.com>
Date: Thu, 14 Oct 2021 16:26:41 +0100
Subject: [PATCH] WIP: ldk open channel human-readable errors

---
 class/wallets/lightning-ldk-wallet.ts | 4 ++++
 package-lock.json                     | 4 ++--
 package.json                          | 2 +-
 screen/lnd/ldkOpenChannel.tsx         | 8 +++++++-
 4 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/class/wallets/lightning-ldk-wallet.ts b/class/wallets/lightning-ldk-wallet.ts
index 26ff2f6fe..92c78c249 100644
--- a/class/wallets/lightning-ldk-wallet.ts
+++ b/class/wallets/lightning-ldk-wallet.ts
@@ -628,6 +628,10 @@ export class LightningLdkWallet extends LightningCustodianWallet {
     return RnLdk.getPackageVersion();
   }
 
+  getChannelsClosedEvents() {
+    return RnLdk.channelsClosed;
+  }
+
   /**
    * executes async function in background, so calling code can return immediately, while catching all thrown exceptions
    * and showing them in alert() instead of propagating them up
diff --git a/package-lock.json b/package-lock.json
index 29d0855d7..848592d3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20903,8 +20903,8 @@
       }
     },
     "rn-ldk": {
-      "version": "git+https://github.com/BlueWallet/rn-ldk.git#v0.3.2",
-      "from": "git+https://github.com/BlueWallet/rn-ldk.git#v0.3.2"
+      "version": "git+https://github.com/BlueWallet/rn-ldk.git#v0.4.0",
+      "from": "git+https://github.com/BlueWallet/rn-ldk.git#v0.4.0"
     },
     "rn-nodeify": {
       "version": "10.3.0",
diff --git a/package.json b/package.json
index 10fa9b5ce..b89533801 100644
--- a/package.json
+++ b/package.json
@@ -190,7 +190,7 @@
     "react-test-render": "1.1.2",
     "readable-stream": "3.6.0",
     "realm": "10.8.0",
-    "rn-ldk": "git+https://github.com/BlueWallet/rn-ldk.git#v0.3.2",
+    "rn-ldk": "git+https://github.com/BlueWallet/rn-ldk.git#v0.4.0",
     "rn-nodeify": "10.3.0",
     "scryptsy": "2.1.0",
     "secure-random": "1.1.2",
diff --git a/screen/lnd/ldkOpenChannel.tsx b/screen/lnd/ldkOpenChannel.tsx
index e07626004..d52aec3fa 100644
--- a/screen/lnd/ldkOpenChannel.tsx
+++ b/screen/lnd/ldkOpenChannel.tsx
@@ -145,8 +145,14 @@ const LdkOpenChannel = (props: any) => {
       console.warn('initiated channel opening');
 
       if (!fundingAddressTemp) {
+        let reason = '';
+        const channelsClosed = ldkWallet.getChannelsClosedEvents();
+        const event = channelsClosed.pop();
+        if (event) {
+          reason += event.reason + ' ' + event.text;
+        }
         ReactNativeHapticFeedback.trigger('notificationError', { ignoreAndroidSystemSettings: false });
-        return alert('Initiating channel open failed');
+        return alert('Initiating channel open failed: ' + reason);
       }
 
       psbtOpenChannelStartedTs.current = +new Date();