面向农产品交易流程的多链式区块链应用技术研究

梁昊, 刘思辰, 张一诺, 吕科

Multi-blockchain application technology for agricultural products transaction

Hao Liang, Sichen Liu, Yinuo Zhang, Ke Lv

Step 1. Registration of users information

1 : function RegistrationUserInformation( $U s e r u s e r$ )

2 : Let $L = l e n g t h (u s e . i n f o)$ ;

3 : Let $u s e r . c e r t i f i c a t a b l e = t r u e$ ;

4 : for ( $i = 0; i < L; i + +$ )

5 : if ( $u s e r . i n f o [i] \neq t r u e$ ) Then

6 : $u s e r . c e r t i f i c a t a b l e = f a l s e;$

7 : break;

8 : End if

9 : End for

10: if ( $u s e r . c e r t i f i c a t a b l e = = t r u e$ ) Then

11: $u s e r . D C = D i g i t a l C e r t i f i c a t e (u s e r)$ ;

12: $u s e r . p u b l i c k e y = P u b l i c K e y (u s e r)$ ;

13: $u s e r . p r i v a t e k e y = P r i v a t e K e y (u s e r)$ ;

14: $u s e r . a d d r e s s = A d d r e s s (u s e . p u b l i c k e y)$ ;

15: $u s e r . i n f o = E n c r y p t (u s e r . i n f o)$ ;

16: $B l o c k u s e r b u = n e w B l o c k u s e r ()$ ;

17: $b u . u s e r . i n f o = u s e r . i n f o$ ;

18: $b u . h a s h = M e r k l e h a s h (u s e r . i n f o)$ ;

19: $b u . t i m e s t a m p = n o w ()$ ;

20: $b u . c o n s e n s u s = C A . s i g n a t u r e$ ;

21: $b u . c o n s h a s h = h a s h (b l o c k . c o n s e n s u s)$ ;

22: push $b u$ into $U s e r I n f o r m a t i o n B l o c k c h a i n$ ;

23: End if;

24: End function