This is common.
This is a common finding after such a surgery.
The major concern is to be on the look out for a d.V.T or clot in the leg. This would typically cause swelling of the leg and pain in the calf. The foot swells as the motion in the extremtiy is limited. The pain in the hip after the procedure is expected. Ice the hip, take your meds, and elevate your foot while at rest.