radix_transactions/model/hash/
traits.rs

1use crate::internal_prelude::*;
2use radix_common::prelude::*;
3
4pub trait IsTransactionHashWithStaticHrp: IsHash {
5    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str;
6}
7
8pub enum HashCreationError {
9    InvalidHrp,
10}
11
12pub trait IsTransactionHash: Sized {
13    fn hrp<'h>(&self, hrp_set: &'h HrpSet) -> &'h str;
14    fn create_from_hrp_and_hash(
15        hrp: &str,
16        hash: Hash,
17        hrp_set: &HrpSet,
18    ) -> Result<Self, HashCreationError>;
19    fn as_inner_hash(&self) -> &Hash;
20}
21
22impl<H: IsTransactionHashWithStaticHrp> IsTransactionHash for H {
23    fn hrp<'h>(&self, hrp_set: &'h HrpSet) -> &'h str {
24        Self::static_hrp(hrp_set)
25    }
26
27    fn create_from_hrp_and_hash(
28        hrp: &str,
29        hash: Hash,
30        hrp_set: &HrpSet,
31    ) -> Result<Self, HashCreationError> {
32        if Self::static_hrp(hrp_set) == hrp {
33            Ok(Self::from(hash))
34        } else {
35            Err(HashCreationError::InvalidHrp)
36        }
37    }
38
39    fn as_inner_hash(&self) -> &Hash {
40        self.as_hash()
41    }
42}
43
44impl IsTransactionHashWithStaticHrp for TransactionIntentHash {
45    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str {
46        &hrp_set.transaction_intent
47    }
48}
49
50impl IsTransactionHashWithStaticHrp for SignedTransactionIntentHash {
51    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str {
52        &hrp_set.signed_transaction_intent
53    }
54}
55
56impl IsTransactionHashWithStaticHrp for SubintentHash {
57    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str {
58        &hrp_set.subintent
59    }
60}
61
62impl IsTransactionHash for IntentHash {
63    fn hrp<'h>(&self, hrp_set: &'h HrpSet) -> &'h str {
64        match self {
65            IntentHash::Transaction(_) => TransactionIntentHash::static_hrp(hrp_set),
66            IntentHash::Subintent(_) => SubintentHash::static_hrp(hrp_set),
67        }
68    }
69
70    fn create_from_hrp_and_hash(
71        hrp: &str,
72        hash: Hash,
73        hrp_set: &HrpSet,
74    ) -> Result<Self, HashCreationError> {
75        if hrp == TransactionIntentHash::static_hrp(hrp_set) {
76            Ok(IntentHash::Transaction(TransactionIntentHash::from(hash)))
77        } else if hrp == SubintentHash::static_hrp(hrp_set) {
78            Ok(IntentHash::Subintent(SubintentHash::from(hash)))
79        } else {
80            Err(HashCreationError::InvalidHrp)
81        }
82    }
83
84    fn as_inner_hash(&self) -> &Hash {
85        match self {
86            IntentHash::Transaction(inner) => inner.as_hash(),
87            IntentHash::Subintent(inner) => inner.as_hash(),
88        }
89    }
90}
91
92impl IsTransactionHashWithStaticHrp for NotarizedTransactionHash {
93    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str {
94        &hrp_set.notarized_transaction
95    }
96}
97
98impl IsTransactionHashWithStaticHrp for SystemTransactionHash {
99    fn static_hrp<'h>(hrp_set: &'h HrpSet) -> &'h str {
100        &hrp_set.system_transaction
101    }
102}
radix_transactions/model/hash/traits.rs

radix_transactions/model/hash/
traits.rs
