feat: Add anchor resolutions to closed channels

lnd_methods/offchain/get_closed_channels.d.ts

@@ -74,6 +74,14 @@ export type GetClosedChannelsResult = {
     transaction_id: string;
     /** Channel Funding Output Index */
     transaction_vout: number;
+    /** Anchor CPFP Transaction Id Hex */
+    anchor_spent_by?: string,
+    /** Our Close Transaction Anchor Output Index */
+    anchor_vout?: number,
+    /** Is Anchor CPFP Transaction Confirmed */
+    anchor_is_confirmed: boolean,
+    /** Is Anchor CPFP Transaction Pending */
+    anchor_is_pending: boolean,
   }[];
 };
 

lnd_methods/offchain/get_closed_channels.js

@@ -192,6 +192,7 @@ module.exports = (args, cbk) => {
           const resolutions = chanResolutions.map(rpcResolutionAsResolution);
 
           const {balance} = resolutions.find(n => n.balance) || {balance: {}};
+          const {anchor} = resolutions.find(n => n.anchor) || {anchor: {}};
           const payments = resolutions.map(n => n.payment).filter(n => !!n);
 
           return cbk(null, {
@@ -201,6 +202,10 @@ module.exports = (args, cbk) => {
             close_confirm_height: height,
             close_payments: payments,
             close_transaction_id: closeTxId,
+            anchor_spent_by: anchor?.spent_by,
+            anchor_vout: anchor?.anchor_vout,
+            anchor_is_confirmed: anchor? anchor.is_confirmed: false,
+            anchor_is_pending: anchor? anchor.is_pending: false,
             final_local_balance: Number(chan.settled_balance),
             final_time_locked_balance: finalTimeLock,
             id: !chanId ? undefined : chanId.channel,

lnd_responses/constants.json

@@ -78,7 +78,8 @@
   "resolutionTypes": {
     "balance": "COMMIT",
     "incoming_payment": "INCOMING_HTLC",
-    "outgoing_payment": "OUTGOING_HTLC"
+    "outgoing_payment": "OUTGOING_HTLC",
+    "anchor": "ANCHOR"
   },
   "syncTypes": {
     "active": "ACTIVE_SYNC",

lnd_responses/rpc_resolution_as_resolution.js

@@ -100,6 +100,16 @@ module.exports = args => {
       },
     };
 
+  case resolutionTypes.anchor:
+    return {
+      anchor: {
+        is_confirmed: args.outcome === resolutionOutcomes.confirmed,
+        is_pending: args.outcome === resolutionOutcomes.pending,
+        spent_by: args.sweep_txid || undefined,
+        vout: args.outpoint.output_index,
+      }
+    }
+
   default:
     return {};
   }