block/
address.rs

1#[cfg(feature = "c-secp256k1")]
2use secp256k1::{SECP256K1, Error};
3#[cfg(feature = "c-secp256k1")]
4use secp256k1::key::{PublicKey, SecretKey};
5#[cfg(feature = "rust-secp256k1")]
6use secp256k1::{self, PublicKey, SecretKey, Error};
7use bigint::{H256, Address};
8use sha3::{Digest, Keccak256};
9
10pub trait FromKey: Sized {
11    fn from_public_key(key: &PublicKey) -> Self;
12    fn from_secret_key(key: &SecretKey) -> Result<Self, Error>;
13}
14
15impl FromKey for Address {
16    #[cfg(feature = "c-secp256k1")]
17    fn from_public_key(key: &PublicKey) -> Self {
18        let hash = H256::from(
19            Keccak256::digest(&key.serialize_vec(&SECP256K1, false)[1..]).as_slice());
20        Address::from(hash)
21    }
22
23    #[cfg(feature = "rust-secp256k1")]
24    fn from_public_key(key: &PublicKey) -> Self {
25        let hash = H256::from(
26            Keccak256::digest(&key.serialize()[1..]).as_slice());
27        Address::from(hash)
28    }
29
30    #[cfg(feature = "c-secp256k1")]
31    fn from_secret_key(key: &SecretKey) -> Result<Self, Error> {
32        let public_key = PublicKey::from_secret_key(&SECP256K1, key)?;
33        Ok(Self::from_public_key(&public_key))
34    }
35
36    #[cfg(feature = "rust-secp256k1")]
37    fn from_secret_key(key: &SecretKey) -> Result<Self, Error> {
38        let public_key = PublicKey::from_secret_key(key);
39        Ok(Self::from_public_key(&public_key))
40    }
41}
block/address.rs

block/
address.rs
