Algorithms A9. Smart Contract 9: Product Sales

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

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

2. if stakeholder_id==Distributor

3. x[]=getDistributor(Stakeholder_id)

4. y=getProductSales_Info(x.id, product id, order number)

5. z=getBilling_Info(x.id, product id, order number)

6. a[]=getProduct_Stakeholder_Info(x.id, product id, order number)

7. end

8. else

9. x[]=getRetailer(Stakeholder_id)

10. y=getProductSales_Info(x.id, product id, order number)

11. z=getBilling_Info(x.id, product id, order number)

12. a[]=getProduct_Stakeholder_Info(x.id, product id, order number)

13. end

14. else

15. Invalid or authorised address

16. go to step 1 and enter a valid address

17. end