fix: do not init chequebook in ultra light mode

Author: Cafe137

pkg/node/node.go

@@ -492,19 +492,19 @@ func NewBee(
 		}
 	}
 
-	chequebookFactory, err = InitChequebookFactory(logger, chainBackend, chainID, transactionService, o.SwapFactoryAddress)
-	if err != nil {
-		return nil, err
-	}
+	if o.SwapEnable {
+		chequebookFactory, err = InitChequebookFactory(logger, chainBackend, chainID, transactionService, o.SwapFactoryAddress)
+		if err != nil {
+			return nil, err
+		}
 
-	erc20Address, err := chequebookFactory.ERC20Address(ctx)
-	if err != nil {
-		return nil, fmt.Errorf("factory fail: %w", err)
-	}
+		erc20Address, err := chequebookFactory.ERC20Address(ctx)
+		if err != nil {
+			return nil, fmt.Errorf("factory fail: %w", err)
+		}
 
-	erc20Service = erc20.New(transactionService, erc20Address)
+		erc20Service = erc20.New(transactionService, erc20Address)
 
-	if o.SwapEnable {
 		if o.ChequebookEnable && chainEnabled {
 			chequebookService, err = InitChequebookService(
 				ctx,