add new chains

Author: realdealshaman

src/adapters/peggedAssets/avalon-usda/index.ts

@@ -14,6 +14,15 @@ const chainContracts = {
     },
     berachain: {
       issued: ["0xff12470a969Dd362EB6595FFB44C82c959Fe9ACc"]
+    },
+    mantle: {
+      issued: ["0x075df695b8E7f4361FA7F8c1426C63f11B06e326"]
+    },
+    base: {
+      issued: ["0x2840f9d9f96321435ab0f977e7fdbf32ea8b304f"]
+    },
+    era: {
+      issued: ["0xB8d7d88D042880aE87Bb61DE2dFFF8441768766D"]
     }
   };