fixes in set_token_transfer_fee.go

Author: sowgandhi11

deployment/fees/set_token_transfer_fee.go

@@ -113,13 +113,16 @@ func makeApply(feeRegistry *FeeAdapterRegistry, mcmsRegistry *changesets.MCMSRea
 			}
 
 			// Retreieve correct contract Go bindings to use in sequence execution
-			feeContractRef, err := adapter.GetFeeContractRef(e, src.Selector, src.Settings[0].Selector) // feeContractRef is only used for verifying what versio of the fee adapter
+			if len(src.Settings) == 0 {
+				return cldf.ChangesetOutput{}, fmt.Errorf("no destination settings provided for selector %d", src.Selector)
+			}
+			feeContractRef, err := adapter.GetFeeContractRef(e, src.Selector, src.Settings[0].Selector) // feeContractRef is only used for verifying which GoBindings to use
 			if err != nil {
 				return cldf.ChangesetOutput{}, fmt.Errorf("failed to get fee contract ref for src %d and dst %d: %w", src.Selector, src.Settings[0].Selector, err)
 			}
 			updater, exists := feeRegistry.GetFeeAdapter(srcFamily, feeContractRef.Version)
 			if !exists {
-				return cldf.ChangesetOutput{}, fmt.Errorf("no fee adapter found for chain family %s and version %s", srcFamily, cfg.Version.String())
+				return cldf.ChangesetOutput{}, fmt.Errorf("no fee adapter found for chain family %s and version %s", srcFamily, feeContractRef.Version.String())
 			}
 
 			settings := map[uint64]map[string]*TokenTransferFeeArgs{}