Liquid icons api

backend/src/routes.ts

@@ -19,6 +19,7 @@ import loadingIndicators from './api/loading-indicators';
 import { Common } from './api/common';
 import bitcoinClient from './api/bitcoin/bitcoin-client';
 import elementsParser from './api/liquid/elements-parser';
+import icons from './api/liquid/icons';
 
 class Routes {
   constructor() {}
@@ -807,6 +808,26 @@ class Routes {
         : (e.message || 'Error'));
     }
   }
+
+  public getLiquidIcon(req: Request, res: Response) {
+    const result = icons.getIconByAssetId(req.params.assetId);
+    if (result) {
+      res.setHeader('content-type', 'image/png');
+      res.setHeader('content-length', result.length);
+      res.send(result);
+    } else {
+      res.status(404).send('Asset icon not found');
+    }
+  }
+
+  public getAllLiquidIcon(req: Request, res: Response) {
+    const result = icons.getAllIconIds();
+    if (result) {
+      res.json(result);
+    } else {
+      res.status(404).send('Asset icons not found');
+    }
+  }
 }
 
 export default new Routes();