hotfix - handling undefined res from request for strategies

Author: zavelevsky

package.json

@@ -2,7 +2,7 @@
   "name": "@bancor/carbon-sdk",
   "type": "module",
   "source": "src/index.ts",
-  "version": "0.0.115-DEV",
+  "version": "0.0.116-DEV",
   "description": "The SDK is a READ-ONLY tool, intended to facilitate working with Carbon contracts. It's a convenient wrapper around our matching algorithm, allowing programs and users get a ready to use transaction data that will allow them to manage strategies and fulfill trades",
   "main": "dist/index.cjs",
   "module": "dist/index.js",

src/contracts-api/Reader.ts

@@ -95,7 +95,7 @@ export default class Reader implements Fetcher {
       token1,
       0,
       0
-    );
+    ) ?? [];
     return res.map((r) => toStrategy(r));
   }
 
@@ -117,7 +117,7 @@ export default class Reader implements Fetcher {
     if (!results || results.length === 0) return [];
     console.debug('results', results);
     return results.map((result, i) => {
-      const strategiesResult = result[0] as StrategyStructOutput[];
+      const strategiesResult = result[0] as StrategyStructOutput[] ?? [];
       return {
         pair: pairs[i],
         strategies: strategiesResult.map((r) => toStrategy(r)),