feat: enforce txpool propagation setting (#3677)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>

crates/transaction-pool/src/pool/mod.rs

@@ -232,13 +232,13 @@ where
     /// Returns hashes of _all_ transactions in the pool.
     pub(crate) fn pooled_transactions_hashes(&self) -> Vec<TxHash> {
         let pool = self.pool.read();
-        pool.all().hashes_iter().collect()
+        pool.all().transactions_iter().filter(|tx| tx.propagate).map(|tx| *tx.hash()).collect()
     }
 
     /// Returns _all_ transactions in the pool.
     pub(crate) fn pooled_transactions(&self) -> Vec<Arc<ValidPoolTransaction<T::Transaction>>> {
         let pool = self.pool.read();
-        pool.all().transactions_iter().collect()
+        pool.all().transactions_iter().filter(|tx| tx.propagate).collect()
     }
 
     /// Updates the entire pool after a new block was executed.

crates/transaction-pool/src/pool/txpool.rs

@@ -637,6 +637,7 @@ impl<T: PoolTransaction> AllTransactions<T> {
     }
 
     /// Returns an iterator over all _unique_ hashes in the pool
+    #[allow(unused)]
     pub(crate) fn hashes_iter(&self) -> impl Iterator<Item = TxHash> + '_ {
         self.by_hash.keys().copied()
     }