penumbra_sdk_asset/
equivalent_value.rs

1use crate::asset::Metadata;
2use penumbra_sdk_num::Amount;
3use penumbra_sdk_proto::{penumbra::core::asset::v1 as pb, DomainType};
4use serde::{Deserialize, Serialize};
5
6/// An equivalent value in terms of a different numeraire.
7///
8/// This is used within
9#[derive(Deserialize, Serialize, Clone, Debug, PartialEq, Eq)]
10#[serde(try_from = "pb::EquivalentValue", into = "pb::EquivalentValue")]
11pub struct EquivalentValue {
12    /// The equivalent amount of the parent [`Value`] in terms of the numeraire.
13    pub equivalent_amount: Amount,
14    /// Metadata describing the numeraire.
15    pub numeraire: Metadata,
16    /// If nonzero, gives some idea of when the equivalent value was estimated (in terms of block height).
17    pub as_of_height: u64,
18}
19
20impl DomainType for EquivalentValue {
21    type Proto = pb::EquivalentValue;
22}
23
24impl From<EquivalentValue> for pb::EquivalentValue {
25    fn from(v: EquivalentValue) -> Self {
26        pb::EquivalentValue {
27            equivalent_amount: Some(v.equivalent_amount.into()),
28            numeraire: Some(v.numeraire.into()),
29            as_of_height: v.as_of_height,
30        }
31    }
32}
33
34impl TryFrom<pb::EquivalentValue> for EquivalentValue {
35    type Error = anyhow::Error;
36    fn try_from(value: pb::EquivalentValue) -> Result<Self, Self::Error> {
37        Ok(EquivalentValue {
38            equivalent_amount: value
39                .equivalent_amount
40                .ok_or_else(|| anyhow::anyhow!("missing equivalent_amount field"))?
41                .try_into()?,
42            numeraire: value
43                .numeraire
44                .ok_or_else(|| anyhow::anyhow!("missing numeraire field"))?
45                .try_into()?,
46            as_of_height: value.as_of_height,
47        })
48    }
49}
penumbra_sdk_asset/equivalent_value.rs

penumbra_sdk_asset/
equivalent_value.rs
