Label channel closes

lightning-backend/src/api/explorer/channels.api.ts

@@ -74,7 +74,7 @@ class ChannelsApi {
   public async $getChannelsByTransactionId(transactionIds: string[]): Promise<any[]> {
     try {
       transactionIds = transactionIds.map((id) => '\'' + id + '\'');
-      const query = `SELECT n1.alias AS alias_left, n2.alias AS alias_right, channels.* FROM channels LEFT JOIN nodes AS n1 ON n1.public_key = channels.node1_public_key LEFT JOIN nodes AS n2 ON n2.public_key = channels.node2_public_key WHERE channels.transaction_id IN (${transactionIds.join(', ')})`;
+      const query = `SELECT n1.alias AS alias_left, n2.alias AS alias_right, channels.* FROM channels LEFT JOIN nodes AS n1 ON n1.public_key = channels.node1_public_key LEFT JOIN nodes AS n2 ON n2.public_key = channels.node2_public_key WHERE channels.transaction_id IN (${transactionIds.join(', ')}) OR channels.closing_transaction_id IN (${transactionIds.join(', ')})`;
       const [rows]: any = await DB.query(query);
       const channels = rows.map((row) => this.convertChannel(row));
       return channels;

lightning-backend/src/api/explorer/channels.routes.ts

@@ -67,17 +67,27 @@ class ChannelsRoutes {
         }
       }
       const channels = await channelsApi.$getChannelsByTransactionId(txIds);
-      const result: any[] = [];
+      const inputs: any[] = [];
+      const outputs: any[] = [];
       for (const txid of txIds) {
-        const foundChannel = channels.find((channel) => channel.transaction_id === txid);
-        if (foundChannel) {
-          result.push(foundChannel);
+        const foundChannelInputs = channels.find((channel) => channel.closing_transaction_id === txid);
+        if (foundChannelInputs) {
+          inputs.push(foundChannelInputs);
         } else {
-          result.push(null);
+          inputs.push(null);
+        }
+        const foundChannelOutputs = channels.find((channel) => channel.transaction_id === txid);
+        if (foundChannelOutputs) {
+          outputs.push(foundChannelOutputs);
+        } else {
+          outputs.push(null);
         }
       }
 
-      res.json(result);
+      res.json({
+        inputs: inputs,
+        outputs: outputs,
+      });
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }

lightning-backend/src/database-migration.ts

@@ -236,7 +236,8 @@ class DatabaseMigration {
       KEY node2_public_key (node2_public_key),
       KEY status (status),
       KEY short_id (short_id),
-      KEY transaction_id (transaction_id)
+      KEY transaction_id (transaction_id),
+      KEY closing_transaction_id (closing_transaction_id)
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
   }