Algorithms A7. Smart Contract 7: Remove Product

Input: product id, batch number, order number, product quantity, addr

1. if addr is valid && addr has adding authentication

2. x= getProduct_Adulteration_Info(product id)

3. y= getProduct_Contamination_Info(product id)

4. if x==0 || y==1

5. Adulteration found in the product therefore being removed from the supply chain

6. stage_sypplychain[]= getProduct_Status(product id)

7. z=getProduct_Quality(product id)

8. b= getBilling_Info(product id)

9. updateProduct_Info(product id, batch number, order number, product quantity, z, b, false)

10. Product Removed

11. end

12. if y==0 || x==1

13. Contamination found in the product therefore being removed from the supply chain

14. stage_sypplychain[]= getProduct_Status(product id)

15. z=getProduct_Quality(product id)

16. b= getBilling_Info(product id)

17. updateProduct_Info(product id, batch number, order number, product quantity, z, b, false)

18. Product Removed

19. end

20. else

21. Confirm Product Removal as no adulteration and contamination found

22. updateProduct_Info(product id, batch number, order number, product quantity, false)

23. Product Removed

24. end

25. else

26. Invalid or authorised address

27. go to step 1 and enter a valid address

28. end