byte[] addr = Hex.decode("cd2a3d9f938e13cd947ec05abc7fe734df8dd826");
byte[] code = Hex.decode("00");
Repository repository = worldManager.getRepository();
repository.createAccount(addr);
repository.saveCode(addr, code);
byte[] keyBytes = Hex.decode("cd2a3d9f938e13cd947ec05abc7fe734df8dd826");
DataWord key = new DataWord(keyBytes);
byte[] valueBytes = Hex.decode("0F4240");
DataWord value = new DataWord(valueBytes);
repository.addStorageRow(addr, key, value);