feat(rust/cardano-blockchain-types): Add TransactionHash and PubKeyHash types

rust/cardano-blockchain-types/Cargo.toml

@@ -20,8 +20,8 @@ workspace = true
 [dependencies]
 pallas = { version = "0.30.1", git = "https://github.com/input-output-hk/catalyst-pallas.git", rev = "9b5183c8b90b90fe2cc319d986e933e9518957b3" }
 # pallas-hardano = { version = "0.30.1", git = "https://github.com/input-output-hk/catalyst-pallas.git", rev = "9b5183c8b90b90fe2cc319d986e933e9518957b3" }
-cbork-utils = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250127-00" }
-catalyst-types = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250127-00" }
+cbork-utils = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250128-01" }
+catalyst-types = { version = "0.0.1", git = "https://github.com/input-output-hk/catalyst-libs.git", tag = "r20250128-01" }
 
 ouroboros = "0.18.4"
 tracing = "0.1.41"

rust/cardano-blockchain-types/src/hashes.rs

@@ -0,0 +1,13 @@
+//! Cardano blockchain specific hash types.
+
+use catalyst_types::{
+    define_hashes,
+    hashes::{Blake2b224Hash, Blake2b256Hash},
+};
+
+define_hashes!(
+    /// A transaction hash - Blake2b-256 hash of a transaction.
+    (TransactionHash, Blake2b256Hash),
+    /// A public key hash - raw Blake2b-224 hash of an Ed25519 public key (has no discriminator, just the hash).
+    (PubKeyHash, Blake2b224Hash)
+);

rust/cardano-blockchain-types/src/lib.rs

@@ -3,6 +3,7 @@
 mod auxdata;
 mod cip134_uri;
 mod fork;
+mod hashes;
 mod metadata;
 mod multi_era_block_data;
 mod network;
@@ -21,6 +22,7 @@ pub use auxdata::{
 };
 pub use cip134_uri::Cip0134Uri;
 pub use fork::Fork;
+pub use hashes::{PubKeyHash, TransactionHash};
 pub use metadata::cip36::{voting_pk::VotingPubKey, Cip36};
 pub use multi_era_block_data::MultiEraBlock;
 pub use network::Network;