pczt/roles/verifier/
orchard.rs

1use crate::{Pczt, common::AnchorRequirement};
2
3impl super::Verifier {
4    /// Parses the Orchard bundle and then verifies it in the given closure.
5    pub fn with_orchard<E, F>(self, f: F) -> Result<Self, OrchardError<E>>
6    where
7        F: FnOnce(&orchard::pczt::Bundle) -> Result<(), OrchardError<E>>,
8    {
9        let Pczt {
10            global,
11            transparent,
12            sapling,
13            orchard,
14            ironwood,
15        } = self.pczt;
16        let anchor_requirement = AnchorRequirement::for_pre_authorization(global.tx_version);
17
18        let parsed = orchard
19            .into_parsed_with_version(
20                crate::orchard::orchard_bundle_version(&global)
21                    .ok_or(OrchardError::UnsupportedConsensusBranchId)?,
22                anchor_requirement,
23            )
24            .map_err(OrchardError::Parse)?;
25
26        f(&parsed.bundle)?;
27
28        Ok(Self {
29            pczt: Pczt {
30                global,
31                transparent,
32                sapling,
33                orchard: parsed.reserialize(),
34                ironwood,
35            },
36        })
37    }
38
39    /// Parses the Ironwood bundle and then verifies it in the given closure.
40    pub fn with_ironwood<E, F>(self, f: F) -> Result<Self, OrchardError<E>>
41    where
42        F: FnOnce(&orchard::pczt::Bundle) -> Result<(), OrchardError<E>>,
43    {
44        let Pczt {
45            global,
46            transparent,
47            sapling,
48            orchard,
49            ironwood,
50        } = self.pczt;
51        let anchor_requirement = AnchorRequirement::for_pre_authorization(global.tx_version);
52
53        let parsed = ironwood
54            .into_ironwood_parsed(anchor_requirement)
55            .map_err(OrchardError::Parse)?;
56
57        f(&parsed.bundle)?;
58
59        Ok(Self {
60            pczt: Pczt {
61                global,
62                transparent,
63                sapling,
64                orchard,
65                ironwood: parsed.reserialize(),
66            },
67        })
68    }
69}
70
71/// Errors that can occur while verifying the Orchard bundle of a PCZT.
72#[derive(Debug)]
73pub enum OrchardError<E> {
74    Parse(crate::orchard::ParseError),
75    /// The PCZT's consensus branch ID is unrecognized, or predates NU5 (under which
76    /// the Orchard protocol is not supported).
77    UnsupportedConsensusBranchId,
78    Verify(orchard::pczt::VerifyError),
79    Custom(E),
80}
81
82impl<E> From<orchard::pczt::VerifyError> for OrchardError<E> {
83    fn from(e: orchard::pczt::VerifyError) -> Self {
84        OrchardError::Verify(e)
85    }
86}
pczt/roles/verifier/orchard.rs

pczt/roles/verifier/
orchard.rs
