Merge pull request #920 from fluidvanadium/add_note_record_identifier

added NoteRecordIdentifier

zingolib/CHANGELOG.md

@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - LightClient pub fn get_wallet_dir_location
 - `wallet::keys`:
   - `is_transparent_address`
+- pub struct crate::wallet::notes::NoteRecordIdentifier
 
 ### Changed
 

zingolib/src/wallet/notes.rs

@@ -7,3 +7,24 @@ pub mod sapling;
 pub use sapling::SaplingNote;
 pub mod orchard;
 pub use orchard::OrchardNote;
+
+use zcash_client_backend::PoolType;
+use zcash_primitives::transaction::TxId;
+
+/// This triple of values uniquely identifies an entry on a zcash blockchain.
+#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)]
+pub struct NoteRecordIdentifier {
+    pub txid: TxId,
+    pub pool: PoolType,
+    pub index: u32,
+}
+
+impl std::fmt::Display for NoteRecordIdentifier {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "txid {}, {:?}, index {}",
+            self.txid, self.pool, self.index,
+        )
+    }
+}