simple_crypto/
structs.rs

1use super::Error;
2
3use schemars::schema::{Schema, SchemaObject, StringValidation};
4use schemars::gen::SchemaGenerator;
5use schemars::JsonSchema;
6
7use bitcoin_hashes::sha256t::Hash as HashT;
8
9use bitcoin_hashes::Hash as _;
10use bitcoin_hashes::sha256::Midstate;
11use bitcoin_hashes::sha256::HashEngine;
12use bitcoin_hashes::sha256t::Tag as TagTrait;
13
14const MIDSTATE: Midstate = Midstate::hash_tag(b"SIMPLE_CRYPTO");
15
16pub struct Tag {}
17impl TagTrait for Tag {
18    fn engine() -> HashEngine {HashEngine::from_midstate(MIDSTATE, 0)}
19}
20
21pub type BHash = HashT<Tag>;
22
23
24#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
25#[derive(serde_with::SerializeDisplay)]
26#[derive(serde_with::DeserializeFromStr)]
27pub struct Hash {
28    inner: BHash
29}
30
31impl Hash {
32    pub fn to_arr(self) -> [u8; 32] {*self.inner.as_ref()}
33    pub fn all_zeros() -> Self {Hash{inner: BHash::all_zeros()}}
34    pub fn new(inner: BHash) -> Self {Hash{inner}}
35    pub fn to_vec(&self) -> Vec<u8> {
36        self.inner.as_byte_array().to_vec()
37    }
38    pub fn as_bytes(&self) -> &[u8] {self.inner.as_byte_array()}
39    pub fn from_slice(slice: &[u8]) -> Result<Self, Error> {
40        Ok(Hash{inner: BHash::from_slice(slice)?})
41    }
42}
43
44impl std::fmt::Display for Hash {
45    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
46        write!(f, "{}", hex::encode(self.to_vec()))
47    }
48}
49
50impl std::fmt::Debug for Hash {
51    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
52        write!(f, "{}", hex::encode(self.to_vec()))
53    }
54}
55
56impl std::str::FromStr for Hash {
57    type Err = Error;
58
59    fn from_str(s: &str) -> Result<Self, Self::Err> {
60        Hash::from_slice(&hex::decode(s)?)
61    }
62}
63
64impl JsonSchema for Hash {
65    fn schema_name() -> String {"Hash".to_string()}
66    fn json_schema(_gen: &mut SchemaGenerator) -> Schema {
67        Schemas::regex("^(0x|0X)?[a-fA-F0-9]{64}$".to_string())
68    }
69}
70
71pub struct Schemas {}
72impl Schemas {
73    pub fn regex(regex: String) -> Schema {
74        Schema::Object(SchemaObject{
75            string: Some(Box::new(StringValidation {
76                max_length: None,
77                min_length: None,
78                pattern: Some(regex)
79            })),
80            ..Default::default()
81        })
82    }
83}
simple_crypto/structs.rs

simple_crypto/
structs.rs
