Can a ZCash shielded/deshielded transaction have values for both vpub_in and vpub_out

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As I understand, Zcash shielded and deshielded transactions use a JoinSplit when converting notes from shielded to transparent (and vice versa).

vpub_old - is the value that the JoinSplit transfer removes from the transparent value pool, and vpub_new - is the value that the JoinSplit transfer inserts into the transparent value pool, signify how much is being transferred.

Can the vpub_old and vpub_new both simultaneosly have values in the same Zcash transaction? If so, is there an example transaction in practise?

Oonah

Posted 2017-09-09T22:05:10.380

Reputation: 65

Answers

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As per reading the ZCash protocol specification (2017.0) I have found my answer.

Each (transaction) of these describes a JoinSplit transfer which takes in a transparent value and up to two input notes, and produces a transparent value and up to two output notes.

So I believe this answers the question as a transaction can have two input notes and two output notes, meaning a max vjoinsplit length of 4 with Upto two vpub_ins and two vpub_outs

Oonah

Posted 2017-09-09T22:05:10.380

Reputation: 65

Asked: 2017-09-09T22:05:10.380

Viewed: 189 times

Active: 2019-08-27T05:00:39.463