Resolve "BCMR Adapter: Create BaseBCMR and HTTP implementation"

packages/stack/src/bcmr/bcmr-composite.ts

@@ -0,0 +1,25 @@
+import { BaseBCMR } from './base-bcmr.js';
+
+import { BCMRHttp } from './bcmr-http.js';
+
+export class BCMRComposite extends BaseBCMR {
+  constructor(public readonly bridges: Array<BCMRHttp>) {
+    super();
+  }
+
+  async getTokenData(categoryId: string) {
+    const getTokenDataPromises = this.bridges.map((bridge) =>
+      bridge.getTokenData(categoryId),
+    );
+
+    try {
+      const data = await Promise.any(getTokenDataPromises);
+
+      return data;
+    } catch (error: unknown) {
+      throw new Error(
+        `Unable to get token metadata from any of the BCMR indexers. Detailed error: ${error}`,
+      );
+    }
+  }
+}