wip: implement 'get_current_chain_point' placeholder for PallasChainChainObserver

The implementation with pallas is not done yet.

Author: jpraynaud

mithril-common/src/chain_observer/pallas_observer.rs

@@ -25,7 +25,7 @@ use std::{
 use crate::{
     chain_observer::{interface::*, ChainAddress, TxDatum},
     crypto_helper::{encode_bech32, KESPeriod, OpCert},
-    entities::{Epoch, StakeDistribution},
+    entities::{ChainPoint, Epoch, StakeDistribution},
     CardanoNetwork, StdResult,
 };
 
@@ -384,6 +384,11 @@ impl ChainObserver for PallasChainObserver {
         Ok(Some(Epoch(epoch as u64)))
     }
 
+    async fn get_current_chain_point(&self) -> Result<Option<ChainPoint>, ChainObserverError> {
+        // TODO: Implement get_current_chain_point with pallas
+        todo!("Implement get_current_chain_point")
+    }
+
     async fn get_current_datums(
         &self,
         address: &ChainAddress,