cashu 0.16.0

Cashu shared types and crypto utilities, used as the foundation for the CDK and their crates
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
31
32
33
34

//! NUT-08: Lightning fee return
//!
//! <https://github.com/cashubtc/nuts/blob/main/08.md>

use super::nut05::{MeltQuoteCustomResponse, MeltRequest};
use super::nut23::MeltQuoteBolt11Response;
use crate::Amount;

impl<Q> MeltRequest<Q> {
    /// Total output [`Amount`]
    pub fn output_amount(&self) -> Option<Amount> {
        self.outputs()
            .as_ref()
            .and_then(|o| Amount::try_sum(o.iter().map(|proof| proof.amount)).ok())
    }
}

impl<Q> MeltQuoteBolt11Response<Q> {
    /// Total change [`Amount`]
    pub fn change_amount(&self) -> Option<Amount> {
        self.change
            .as_ref()
            .and_then(|o| Amount::try_sum(o.iter().map(|proof| proof.amount)).ok())
    }
}

impl<Q> MeltQuoteCustomResponse<Q> {
    /// Total change [`Amount`]
    pub fn change_amount(&self) -> Option<Amount> {
        self.change
            .as_ref()
            .and_then(|o| Amount::try_sum(o.iter().map(|proof| proof.amount)).ok())
    }
}