plutus_ledger_api/v1/
datum.rs

1//! Types related to Plutus Datums
2
3use cardano_serialization_lib as csl;
4
5use crate as plutus_ledger_api;
6use crate::csl::csl_to_pla::FromCSL;
7use crate::csl::pla_to_csl::{TryFromPLA, TryFromPLAError, TryToCSL};
8use crate::plutus_data::{IsPlutusData, PlutusData};
9use crate::v1::crypto::LedgerBytes;
10#[cfg(feature = "lbf")]
11use lbr_prelude::json::Json;
12#[cfg(feature = "serde")]
13use serde::{Deserialize, Serialize};
14
15///////////////
16// DatumHash //
17///////////////
18
19/// blake2b-256 hash of a datum
20#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, IsPlutusData)]
21#[is_plutus_data_derive_strategy = "Newtype"]
22#[cfg_attr(feature = "lbf", derive(Json))]
23#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
24pub struct DatumHash(pub LedgerBytes);
25
26impl FromCSL<csl::DataHash> for DatumHash {
27    fn from_csl(value: &csl::DataHash) -> Self {
28        DatumHash(LedgerBytes(value.to_bytes()))
29    }
30}
31
32impl TryFromPLA<DatumHash> for csl::DataHash {
33    fn try_from_pla(val: &DatumHash) -> Result<Self, TryFromPLAError> {
34        csl::DataHash::from_bytes(val.0 .0.to_owned()).map_err(TryFromPLAError::CSLDeserializeError)
35    }
36}
37
38///////////
39// Datum //
40///////////
41
42/// Piece of information associated with a UTxO encoded into a PlutusData type.
43#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, IsPlutusData)]
44#[is_plutus_data_derive_strategy = "Newtype"]
45#[cfg_attr(feature = "lbf", derive(Json))]
46#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
47pub struct Datum(pub PlutusData);
48
49impl TryFromPLA<Datum> for csl::PlutusData {
50    fn try_from_pla(val: &Datum) -> Result<Self, TryFromPLAError> {
51        val.0.try_to_csl()
52    }
53}
plutus_ledger_api/v1/datum.rs

plutus_ledger_api/v1/
datum.rs
