Initial Tributary handling

coordinator/tributary/src/block.rs

@@ -132,6 +132,10 @@ impl<T: Transaction> Block<T> {
     res
   }
 
+  pub fn parent(&self) -> [u8; 32] {
+    self.header.parent
+  }
+
   pub fn hash(&self) -> [u8; 32] {
     self.header.hash()
   }

coordinator/tributary/src/blockchain.rs

@@ -84,6 +84,10 @@ impl<D: Db, T: Transaction> Blockchain<D, T> {
     res
   }
 
+  pub(crate) fn genesis(&self) -> [u8; 32] {
+    self.genesis
+  }
+
   pub(crate) fn tip(&self) -> [u8; 32] {
     self.tip
   }

coordinator/tributary/src/lib.rs

@@ -126,6 +126,9 @@ impl<D: Db, T: Transaction, P: P2p> Tributary<D, T, P> {
     Some(Self { network, synced_block, messages })
   }
 
+  pub fn genesis(&self) -> [u8; 32] {
+    self.network.blockchain.read().unwrap().genesis()
+  }
   pub fn tip(&self) -> [u8; 32] {
     self.network.blockchain.read().unwrap().tip()
   }

coordinator/tributary/src/tendermint.rs

@@ -259,6 +259,7 @@ impl<D: Db, T: Transaction, P: P2p> Network for TendermintNetwork<D, T, P> {
     self.p2p.broadcast(to_broadcast).await
   }
   async fn slash(&mut self, validator: Self::ValidatorId) {
+    // TODO: Handle this slash
     log::error!(
       "validator {} triggered a slash event on tributary {}",
       hex::encode(validator),