Function avalanche_types::hash::keccak256

source · 
pub fn keccak256(b: impl AsRef<[u8]>) -> H256
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src/key/secp256k1/public_key.rs (line 118)
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    pub fn to_h160(&self) -> primitive_types::H160 {
        let uncompressed = self.to_uncompressed_bytes();

        // ref. "Keccak256(pubBytes[1:])[12:]"
        let digest_h256 = hash::keccak256(&uncompressed[1..]);
        let digest_h256 = &digest_h256.0[12..];

        primitive_types::H160::from_slice(digest_h256)
    }
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src/key/secp256k1/address.rs (line 10)
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pub fn eth_checksum(addr: &str) -> String {
    let addr_lower_case = addr
        .trim_start_matches(super::private_key::HEX_ENCODE_PREFIX)
        .to_lowercase();
    let digest_h256 = hash::keccak256(&addr_lower_case.as_bytes());

    // this also works...
    //
    // addr_lower_case
    //     .chars()
    //     .enumerate()
    //     .map(|(i, c)| {
    //         if matches!(c, 'a' | 'b' | 'c' | 'd' | 'e' | 'f')
    //             && (digest_h256[i >> 1] & if i % 2 == 0 { 128 } else { 8 } != 0)
    //         {
    //             c.to_ascii_uppercase()
    //         } else {
    //             c
    //         }
    //     })
    //     .collect::<String>()

    checksum_eip55(&addr_lower_case, &hex::encode(digest_h256))
}