pezkuwichain/pezkuwi-subxt
1
0
Fork 0
mirror of https://github.com/pezkuwichain/pezkuwi-subxt.git synced 2026-04-26 06:27:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

Remove k256 crate from frame-support dependencies (#14452)

Browse Source 
* Add test for to_eth_address

* Replace k256 with secp256k1

* Bump Cargo.lock

* Reformat
This commit is contained in:
Jeeyong Um
2023-06-26 04:40:03 +09:00
committed by GitHub
parent 15bd9e6fa7
commit 4d426214af
4 changed files with 53 additions and 189 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/support/src/crypto/ecdsa.rs
+21 -7
View File
@@ -34,16 +34,30 @@ pub trait ECDSAExt {
impl ECDSAExt for Public {
fn to_eth_address(&self) -> Result<[u8; 20], ()> {
use k256::{elliptic_curve::sec1::ToEncodedPoint, PublicKey};
use secp256k1::PublicKey;
PublicKey::from_sec1_bytes(self.as_slice()).map_err(drop).and_then(|pub_key| {
PublicKey::from_slice(self.as_slice()).map_err(drop).and_then(|pub_key| {
// uncompress the key
let uncompressed = pub_key.to_encoded_point(false);
let uncompressed = pub_key.serialize_uncompressed();
// convert to ETH address
<[u8; 20]>::try_from(
sp_io::hashing::keccak_256(&uncompressed.as_bytes()[1..])[12..].as_ref(),
)
.map_err(drop)
<[u8; 20]>::try_from(sp_io::hashing::keccak_256(&uncompressed[1..])[12..].as_ref())
.map_err(drop)
})
}
}
#[cfg(test)]
mod tests {
use super::*;
use sp_core::{ecdsa, Pair};
#[test]
fn to_eth_address_works() {
let pair = ecdsa::Pair::from_string("//Alice//password", None).unwrap();
let eth_address = pair.public().to_eth_address().unwrap();
assert_eq!(
array_bytes::bytes2hex("0x", &eth_address),
"0xdc1cce4263956850a3c8eb349dc6fc3f7792cb27"
);
}
}