rename hasCode function to something more descriptive; improve logs

Author: tclemos

cmd/ulxly/ulxly.go

@@ -1114,10 +1114,10 @@ func readDeposits(rawDeposits []byte, depositNumber uint32) error {
 	return nil
 }
 
-func hasCode(ctx context.Context, client *ethclient.Client, address string) error {
+func ensureCodePresent(ctx context.Context, client *ethclient.Client, address string) error {
 	code, err := client.CodeAt(ctx, common.HexToAddress(address), nil)
 	if err != nil {
-		log.Error().Err(err).Msg("error getting code at address")
+		log.Error().Err(err).Str("address", address).Msg("error getting code at address")
 		return err
 	}
 	if len(code) == 0 {
@@ -1322,9 +1322,9 @@ func generateEmptyHashes(height uint8) []common.Hash {
 
 func generateTransactionPayload(ctx context.Context, client *ethclient.Client, ulxlyInputArgBridge string, ulxlyInputArgPvtKey string, ulxlyInputArgGasLimit uint64, ulxlyInputArgDestAddr string, ulxlyInputArgChainID string) (bridgeV2 *ulxly.Ulxly, toAddress common.Address, opts *bind.TransactOpts, err error) {
 	// checks if bridge address has code
-	err = hasCode(ctx, client, ulxlyInputArgBridge)
+	err = ensureCodePresent(ctx, client, ulxlyInputArgBridge)
 	if err != nil {
-		err = fmt.Errorf("bridge err: %w", err)
+		err = fmt.Errorf("bridge code check err: %w", err)
 		return
 	}