cml_chain/crypto/
utils.rs

1use std::convert::{TryFrom, TryInto};
2
3use super::{BootstrapWitness, Vkeywitness};
4use crate::byron::AddressContent;
5
6use cml_crypto::{
7    chain_crypto::{self, derive::combine_pk_and_chaincode},
8    CryptoError, PrivateKey, RawBytesEncoding, TransactionHash,
9};
10
11impl BootstrapWitness {
12    // pub fn to_public_key(&self) -> Result<crypto::Bip32PublicKey, crypto::CryptoError> {
13    //     crypto::chain_crypto::PublicKey::<chain_crypto::ed25519_derive::Ed25519Bip32>::try_from(self.clone())
14    //         .map(crypto::Bip32PublicKey)
15    //         .map_err(Into::into)
16    // }
17
18    pub fn to_address(&self) -> Result<AddressContent, CryptoError> {
19        AddressContent::try_from(self.clone()).map_err(Into::into)
20    }
21}
22
23impl TryInto<chain_crypto::PublicKey<chain_crypto::ed25519_derive::Ed25519Bip32>>
24    for BootstrapWitness
25{
26    type Error = CryptoError;
27
28    fn try_into(
29        self,
30    ) -> Result<chain_crypto::PublicKey<chain_crypto::ed25519_derive::Ed25519Bip32>, Self::Error>
31    {
32        combine_pk_and_chaincode(self.public_key.0, &self.chain_code).map_err(Into::into)
33    }
34}
35
36impl TryFrom<BootstrapWitness> for AddressContent {
37    type Error = CryptoError;
38
39    fn try_from(wit: BootstrapWitness) -> Result<Self, Self::Error> {
40        let protocol_magic = wit.attributes.protocol_magic;
41        let key: chain_crypto::PublicKey<chain_crypto::ed25519_derive::Ed25519Bip32> =
42            wit.try_into()?;
43        let address_content =
44            AddressContent::new_simple(cml_crypto::Bip32PublicKey::from(key), protocol_magic);
45        Ok(address_content)
46    }
47}
48
49pub fn make_vkey_witness(tx_body_hash: &TransactionHash, sk: &PrivateKey) -> Vkeywitness {
50    let sig = sk.sign(tx_body_hash.to_raw_bytes());
51    Vkeywitness::new(sk.to_public(), sig)
52}
cml_chain/crypto/utils.rs

cml_chain/crypto/
utils.rs
