fix(traverse): Make ToHash trait public outside crate (#186)

pallas-traverse/src/hashes.rs

@@ -1,11 +1,8 @@
+use crate::ToHash;
 use pallas_codec::utils::KeepRaw;
 use pallas_crypto::hash::{Hash, Hasher};
 use pallas_primitives::{alonzo, babbage, byron};
 
-pub(crate) trait ToHash<const BYTES: usize> {
-    fn to_hash(&self) -> pallas_crypto::hash::Hash<BYTES>;
-}
-
 impl ToHash<32> for byron::EbbHead {
     fn to_hash(&self) -> Hash<32> {
         // hash expects to have a prefix for the type of block

pallas-traverse/src/header.rs

@@ -5,9 +5,8 @@ use pallas_codec::minicbor;
 use pallas_crypto::hash::{Hash, Hasher};
 use pallas_primitives::{alonzo, babbage, byron};
 
-use crate::hashes::ToHash;
 use crate::time;
-use crate::{Era, Error, MultiEraHeader};
+use crate::{Era, Error, MultiEraHeader, ToHash};
 
 impl<'b> MultiEraHeader<'b> {
     pub fn decode(tag: u8, subtag: Option<u8>, cbor: &'b [u8]) -> Result<Self, Error> {

pallas-traverse/src/lib.rs

@@ -171,3 +171,7 @@ impl Error {
         Error::InvalidUtxoRef(str.to_owned())
     }
 }
+
+pub trait ToHash<const BYTES: usize> {
+    fn to_hash(&self) -> pallas_crypto::hash::Hash<BYTES>;
+}

pallas-traverse/src/tx.rs

@@ -4,11 +4,9 @@ use pallas_codec::{minicbor, utils::KeepRaw};
 use pallas_crypto::hash::Hash;
 use pallas_primitives::{alonzo, babbage, byron};
 
-use crate::hashes::ToHash;
-
 use crate::{
     Era, MultiEraCert, MultiEraInput, MultiEraMeta, MultiEraMint, MultiEraOutput, MultiEraSigners,
-    MultiEraTx, MultiEraWithdrawals, MultiEraWitnesses,
+    MultiEraTx, MultiEraWithdrawals, MultiEraWitnesses, ToHash,
 };
 
 impl<'b> MultiEraTx<'b> {