add etc

config.ts

@@ -219,6 +219,17 @@ export const instances: Instances = {
             decimals: 18,
         },
     },
+    61: {
+        etc: {
+            instanceAddress: {
+                1: "0x2f56d5aFC058B8734350B162EFEe75ee48f034e0",
+                10: "0x59fCB629A23e8eD0a60A0188771E221042260118",
+                100: "0x784B3a7a7981B959bd8d9D9e73c2013BE819Fbf2",
+            },
+            symbol: "etc",
+            decimals: 18,
+        },
+    },    
     100: {
         xdai: {
             instanceAddress: {