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chore: Move hash logic out of primitives (#172)

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Santiago Carmuega 2022-08-13 12:24:35 -03:00 • committed by GitHub
parent f75d9aff9f
commit 4128d2d70a
12 changed files with 292 additions and 327 deletions
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14
pallas-traverse/src/header.rs
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@ -3,10 +3,10 @@ use std::ops::Deref;
use pallas_codec::minicbor;
use pallas_crypto::hash::{Hash, Hasher};
use pallas_primitives::{alonzo, babbage, byron, ToHash};
use pallas_primitives::{alonzo, babbage, byron};
use crate::Era::Byron;
use crate::{Error, MultiEraHeader};
use crate::hashes::ToHash;
use crate::{Era, Error, MultiEraHeader};
impl<'b> MultiEraHeader<'b> {
pub fn decode(tag: u8, subtag: Option<u8>, cbor: &'b [u8]) -> Result<Self, Error> {
@ -75,27 +75,27 @@ impl<'b> MultiEraHeader<'b> {
pub fn leader_vrf_output(&self) -> Result<Vec<u8>, Error> {
match self {
MultiEraHeader::EpochBoundary(_) => Err(Error::InvalidEra(Byron)),
MultiEraHeader::EpochBoundary(_) => Err(Error::InvalidEra(Era::Byron)),
MultiEraHeader::AlonzoCompatible(x) => Ok(x.header_body.leader_vrf.0.to_vec()),
MultiEraHeader::Babbage(x) => {
let mut leader_tagged_vrf: Vec<u8> = vec![0x4C_u8]; /* "L" */
leader_tagged_vrf.extend(&*x.header_body.vrf_result.0);
Ok(Hasher::<256>::hash(&leader_tagged_vrf).to_vec())
}
MultiEraHeader::Byron(_) => Err(Error::InvalidEra(Byron)),
MultiEraHeader::Byron(_) => Err(Error::InvalidEra(Era::Byron)),
}
}
pub fn nonce_vrf_output(&self) -> Result<Vec<u8>, Error> {
match self {
MultiEraHeader::EpochBoundary(_) => Err(Error::InvalidEra(Byron)),
MultiEraHeader::EpochBoundary(_) => Err(Error::InvalidEra(Era::Byron)),
MultiEraHeader::AlonzoCompatible(x) => Ok(x.header_body.nonce_vrf.0.to_vec()),
MultiEraHeader::Babbage(x) => {
let mut nonce_tagged_vrf: Vec<u8> = vec![0x4E_u8]; /* "N" */
nonce_tagged_vrf.extend(&*x.header_body.vrf_result.0);
Ok(Hasher::<256>::hash(&nonce_tagged_vrf).to_vec())
}
MultiEraHeader::Byron(_) => Err(Error::InvalidEra(Byron)),
MultiEraHeader::Byron(_) => Err(Error::InvalidEra(Era::Byron)),
}
}