waves_rust/model/account/
address.rs

1use crate::error::{Error, Result};
2use crate::model::account::PublicKey;
3use crate::model::ByteString;
4use crate::util::{Base58, Crypto, JsonDeserializer};
5use serde_json::Value;
6use std::fmt;
7use std::hash::Hash;
8
9#[derive(Eq, PartialEq, Clone, Hash)]
10pub struct Address {
11    bytes: Vec<u8>,
12}
13
14impl fmt::Debug for Address {
15    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
16        write!(f, "Address {{ {} }}", self.encoded())
17    }
18}
19
20impl std::str::FromStr for Address {
21    type Err = Error;
22
23    fn from_str(base58string: &str) -> Result<Address> {
24        Ok(Address {
25            bytes: Base58::decode(base58string)?,
26        })
27    }
28}
29
30impl Address {
31    pub fn from_public_key(chain_id: u8, public_key: &PublicKey) -> Result<Address> {
32        Ok(Address {
33            bytes: Crypto::get_address(
34                &chain_id,
35                &Crypto::get_public_key_hash(&public_key.bytes())?,
36            )?,
37        })
38    }
39
40    pub fn from_string(address: &str) -> Result<Address> {
41        Ok(Address {
42            bytes: Base58::decode(address)?,
43        })
44    }
45
46    pub fn chain_id(&self) -> u8 {
47        self.bytes[1]
48    }
49
50    pub fn public_key_hash(&self) -> Vec<u8> {
51        self.bytes[2..22].to_vec()
52    }
53}
54
55impl ByteString for Address {
56    fn bytes(&self) -> Vec<u8> {
57        self.bytes.clone()
58    }
59
60    fn encoded(&self) -> String {
61        Base58::encode(&self.bytes, false)
62    }
63
64    fn encoded_with_prefix(&self) -> String {
65        Base58::encode(&self.bytes, true)
66    }
67}
68
69impl TryFrom<&Value> for Address {
70    type Error = Error;
71
72    fn try_from(value: &Value) -> Result<Self> {
73        let string = JsonDeserializer::safe_to_string(value)?;
74        Address::from_string(&string)
75    }
76}
77
78#[cfg(test)]
79mod tests {
80    use crate::error::Result;
81    use crate::model::account::{Address, PrivateKey};
82    use crate::model::{ByteString, ChainId};
83    use serde_json::Value;
84    use std::borrow::Borrow;
85    use std::str::FromStr;
86
87    #[test]
88    fn test_address_from_public_key() {
89        let seed_phrase = "blame vacant regret company chase trip grant funny brisk innocent";
90        let expected_address = "3Ms87NGAAaPWZux233TB9A3TXps4LDkyJWN";
91
92        let private_key =
93            PrivateKey::from_seed(seed_phrase, 0).expect("failed to get private key from seed");
94        let public_key = private_key.public_key();
95        let address = public_key
96            .address(ChainId::TESTNET.byte())
97            .expect("failed to get address from public key")
98            .encoded();
99
100        assert_eq!(address, expected_address)
101    }
102
103    #[test]
104    fn test_address_from_string() {
105        let expected_address = "3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW";
106        let address =
107            Address::from_string(expected_address).expect("failed to get address from string");
108        assert_eq!(expected_address, address.encoded())
109    }
110
111    #[test]
112    fn test_address_std_from_str() {
113        let expected_address = "3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW";
114        let address =
115            Address::from_str(expected_address).expect("failed to get address from string");
116        assert_eq!(expected_address, address.encoded())
117    }
118
119    #[test]
120    fn test_address_from_json() -> Result<()> {
121        let expected_address = "3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW";
122        let address: Address = Value::String("3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW".to_owned())
123            .borrow()
124            .try_into()?;
125        assert_eq!(expected_address, address.encoded());
126        Ok(())
127    }
128
129    #[test]
130    fn test_byte_string_for_address() -> Result<()> {
131        let address = Address::from_string("3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW")?;
132        let expected_bytes: Vec<u8> = vec![
133            1, 84, 49, 59, 204, 61, 157, 141, 148, 218, 122, 51, 43, 12, 171, 81, 190, 13, 80, 46,
134            88, 199, 218, 79, 208, 145,
135        ];
136        let expected_encoded = "3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW";
137        let expected_encoded_with_prefix = "base58:3MtQQX9NwYH5URGGcS2e6ptEgV7wTFesaRW";
138        assert_eq!(expected_bytes, address.bytes());
139        assert_eq!(expected_encoded, address.encoded());
140        assert_eq!(expected_encoded_with_prefix, address.encoded_with_prefix());
141        Ok(())
142    }
143}