Wash diced pork with lime and water. Season with soy sauce, cooking wine and 2 tsp salt. Marinate for at least 20 minutes.
Dredge in cornstarch and set aside for 5 minutes.
Heat oil...... When ready, deep fry pork for about 3 minutes or until golden brown. Drain on paper towels
---SWEET AND SOUR SAUCE---
Place pot over medium flame and add peanut oil. When hot add vinegar, water, sugar and 1 tsp salt. Bring to a boil.
Add pineapple, and cornstarch mixed in 3 tbsp of water. Allow to reduce until thick, stirring occasionally... Then add the pork and mix well. Remove from heat. Garnish with chopped chive. Serve hot.