nym-compact-ecash 1.20.4

Nym's ecash implementation
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

// Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
// SPDX-License-Identifier: Apache-2.0

use nym_bls12_381_fork::Scalar;
use nym_network_defaults::ecash::TICKETBOOK_VALIDITY_DAYS;
use nym_network_defaults::TICKETBOOK_SIZE;

pub const PUBLIC_ATTRIBUTES_LEN: usize = 2; //expiration date and ticket type
pub const PRIVATE_ATTRIBUTES_LEN: usize = 2; //user and wallet secret
pub const ATTRIBUTES_LEN: usize = PUBLIC_ATTRIBUTES_LEN + PRIVATE_ATTRIBUTES_LEN; // number of attributes encoded in a single zk-nym credential

pub const CRED_VALIDITY_PERIOD_DAYS: u32 = TICKETBOOK_VALIDITY_DAYS;

pub(crate) const SECONDS_PER_DAY: u32 = 86400;

/// Total number of tickets in each issued ticket book.
pub const NB_TICKETS: u64 = TICKETBOOK_SIZE;

pub const TYPE_EXP: Scalar = Scalar::from_raw([
    u64::from_le_bytes(*b"ZKNYMEXP"),
    u64::from_le_bytes(*b"IRATIOND"),
    u64::from_le_bytes(*b"ATE4llCB"),
    u64::from_le_bytes(*b"MEypAxr3"),
]);
pub const TYPE_IDX: Scalar = Scalar::from_raw([
    u64::from_le_bytes(*b"ZKNYMSIN"),
    u64::from_le_bytes(*b"DICESh^7"),
    u64::from_le_bytes(*b"gTYbhnap"),
    u64::from_le_bytes(*b"*12n5GG6"),
]);