diff --git a/crates/mempool/src/mempool.rs b/crates/mempool/src/mempool.rs
index 1747620b11..8e6f725cf5 100644
--- a/crates/mempool/src/mempool.rs
+++ b/crates/mempool/src/mempool.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 
 use starknet_api::core::{ContractAddress, Nonce};
 use starknet_api::executable_transaction::Transaction;
-use starknet_api::transaction::{Tip, TransactionHash};
+use starknet_api::transaction::{ResourceBoundsMapping, Tip, TransactionHash};
 use starknet_mempool_types::errors::MempoolError;
 use starknet_mempool_types::mempool_types::{Account, AccountState, MempoolInput, MempoolResult};
 
@@ -96,8 +96,10 @@ impl Mempool {
             }
 
             if self.tx_queue.get_nonce(address).is_none() {
-                if let Some(tx) = self.tx_pool.get_by_address_and_nonce(address, next_nonce) {
-                    self.tx_queue.insert(*tx);
+                if let Some(tx_reference) =
+                    self.tx_pool.get_by_address_and_nonce(address, next_nonce)
+                {
+                    self.tx_queue.insert(tx_reference.clone());
                 }
             }
 
@@ -133,7 +135,7 @@ impl Mempool {
         if self.tx_queue.get_nonce(sender_address).is_none() {
             if let Some(tx_reference) = self.tx_pool.get_by_address_and_nonce(sender_address, nonce)
             {
-                self.tx_queue.insert(*tx_reference);
+                self.tx_queue.insert(tx_reference.clone());
             }
         }
 
@@ -187,7 +189,7 @@ impl Mempool {
             if let Some(next_tx_reference) =
                 self.tx_pool.get_next_eligible_tx(current_account_state)?
             {
-                self.tx_queue.insert(*next_tx_reference);
+                self.tx_queue.insert(next_tx_reference.clone());
             }
         }
 
@@ -204,12 +206,14 @@ impl Mempool {
 /// execution fields).
 /// TODO(Mohammad): rename this struct to `ThinTransaction` once that name
 /// becomes available, to better reflect its purpose and usage.
-#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
+/// TODO(Mohammad): restore the Copy once ResourceBoundsMapping implements it.
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
 pub struct TransactionReference {
     pub sender_address: ContractAddress,
     pub nonce: Nonce,
     pub tx_hash: TransactionHash,
     pub tip: Tip,
+    pub resource_bounds: ResourceBoundsMapping,
 }
 
 impl TransactionReference {
@@ -219,6 +223,8 @@ impl TransactionReference {
             nonce: tx.nonce(),
             tx_hash: tx.tx_hash(),
             tip: tx.tip().expect("Expected a valid tip value, but received None."),
+            // TODO(Mohammad): add resource bounds to the transaction.
+            resource_bounds: ResourceBoundsMapping::default(),
         }
     }
 }
diff --git a/crates/mempool/src/mempool_test.rs b/crates/mempool/src/mempool_test.rs
index b29d81e3fc..94f238fb15 100644
--- a/crates/mempool/src/mempool_test.rs
+++ b/crates/mempool/src/mempool_test.rs
@@ -340,7 +340,7 @@ fn test_get_txs_with_holes_single_account() {
 
     let pool_txs = [input_nonce_1.tx];
     let queue_txs = [];
-    let mut mempool: Mempool = MempoolContent::new(pool_txs.clone(), queue_txs).into();
+    let mut mempool: Mempool = MempoolContent::new(pool_txs.clone(), queue_txs.clone()).into();
 
     // Test.
     let txs = mempool.get_txs(1).unwrap();
@@ -431,7 +431,7 @@ fn test_add_tx_lower_than_queued_nonce() {
         add_tx_input!(tx_hash: 2, sender_address: "0x0", tx_nonce: 0_u8, account_nonce: 0_u8);
 
     let queue_txs = [TransactionReference::new(&valid_input.tx)];
-    let expected_mempool_content = MempoolContent::with_queue(queue_txs);
+    let expected_mempool_content = MempoolContent::with_queue(queue_txs.clone());
     let pool_txs = [valid_input.tx];
     let mut mempool: Mempool = MempoolContent::new(pool_txs, queue_txs).into();
 
@@ -624,7 +624,7 @@ fn test_commit_block_includes_all_txs() {
     let queue_txs = [&tx_address0_nonce4, &tx_address1_nonce3, &tx_address2_nonce1]
         .map(TransactionReference::new);
     let pool_txs = [tx_address0_nonce4, tx_address0_nonce5, tx_address1_nonce3, tx_address2_nonce1];
-    let mut mempool: Mempool = MempoolContent::new(pool_txs.clone(), queue_txs).into();
+    let mut mempool: Mempool = MempoolContent::new(pool_txs.clone(), queue_txs.clone()).into();
 
     // Test.
     let state_changes = HashMap::from([
diff --git a/crates/mempool/src/transaction_queue.rs b/crates/mempool/src/transaction_queue.rs
index 6063d305bd..c4199166ae 100644
--- a/crates/mempool/src/transaction_queue.rs
+++ b/crates/mempool/src/transaction_queue.rs
@@ -20,15 +20,15 @@ impl TransactionQueue {
     /// Panics: if given a duplicate tx.
     // TODO(Mohammad): Add test for two transactions from the same address, expecting specific
     // assert.
-    pub fn insert(&mut self, tx: TransactionReference) {
+    pub fn insert(&mut self, tx_reference: TransactionReference) {
         assert_eq!(
-            self.address_to_tx.insert(tx.sender_address, tx),
+            self.address_to_tx.insert(tx_reference.sender_address, tx_reference.clone()),
             None,
             "Only a single transaction from the same contract class can be in the mempool at a \
              time."
         );
         assert!(
-            self.priority_queue.insert(tx.into()),
+            self.priority_queue.insert(tx_reference.into()),
             "Keys should be unique; duplicates are checked prior."
         );
     }