multiversx_sdk/crypto/
public_key.rs

1use std::fmt::Display;
2
3use super::private_key::PrivateKey;
4use anyhow::Result;
5use multiversx_chain_core::types::Address;
6use serde::{
7    de::{Deserialize, Deserializer},
8    ser::{Serialize, Serializer},
9};
10
11pub const PUBLIC_KEY_LENGTH: usize = 32;
12
13#[derive(Copy, Clone, Debug)]
14pub struct PublicKey([u8; PUBLIC_KEY_LENGTH]);
15
16impl PublicKey {
17    pub fn to_bytes(&self) -> [u8; PUBLIC_KEY_LENGTH] {
18        self.0
19    }
20
21    pub fn as_bytes(&self) -> &[u8; PUBLIC_KEY_LENGTH] {
22        &self.0
23    }
24
25    pub fn to_address(&self) -> Address {
26        self.0.into()
27    }
28
29    pub fn from_hex_str(pk: &str) -> Result<Self> {
30        let bytes = hex::decode(pk)?;
31        let mut bits: [u8; 32] = [0u8; 32];
32        bits.copy_from_slice(&bytes[32..]);
33        Ok(Self(bits))
34    }
35}
36
37impl From<&PrivateKey> for PublicKey {
38    fn from(private_key: &PrivateKey) -> PublicKey {
39        let bytes = private_key.to_bytes();
40
41        let mut bits: [u8; 32] = [0u8; 32];
42        bits.copy_from_slice(&bytes[32..]);
43
44        PublicKey(bits)
45    }
46}
47
48impl Display for PublicKey {
49    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
50        hex::encode(self.0).fmt(f)
51    }
52}
53
54impl Serialize for PublicKey {
55    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
56    where
57        S: Serializer,
58    {
59        serializer.serialize_str(self.to_string().as_str())
60    }
61}
62
63impl<'de> Deserialize<'de> for PublicKey {
64    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
65    where
66        D: Deserializer<'de>,
67    {
68        let s = String::deserialize(deserializer)?;
69        Ok(Self::from_hex_str(s.as_str()).unwrap())
70    }
71}
multiversx_sdk/crypto/public_key.rs

multiversx_sdk/crypto/
public_key.rs
