chain(test): updated test scenario for txs with same last_seen

The tx conflict `Scenario` test for unconfirmed txs with the same
last_seen has been amended for its corresponding conflict
resolution bug fix.

crates/chain/src/tx_graph.rs

@@ -789,22 +789,22 @@ impl<A: Anchor> TxGraph<A> {
                 if conflicting_tx.last_seen_unconfirmed > tx_last_seen {
                     return Ok(None);
                 }
-            }
-            if conflicting_tx.last_seen_unconfirmed == *last_seen {
-                // Check if conflicting tx has higher absolute fee and fee rate
-                if let (Ok(fee), Ok(conflicting_fee)) =
-                    (self.calculate_fee(tx), self.calculate_fee(&conflicting_tx))
-                {
-                    let fee_rate = fee as f32 / tx.weight().to_vbytes_ceil() as f32;
-                    let conflicting_fee_rate =
-                        conflicting_fee as f32 / conflicting_tx.weight().to_vbytes_ceil() as f32;
-                    if conflicting_fee > fee && conflicting_fee_rate > fee_rate {
+                if conflicting_tx.last_seen_unconfirmed == *last_seen {
+                    // Check if conflicting tx has higher absolute fee and fee rate
+                    if let (Ok(fee), Ok(conflicting_fee)) =
+                        (self.calculate_fee(tx), self.calculate_fee(&conflicting_tx))
+                    {
+                        let fee_rate = fee as f32 / tx.weight().to_vbytes_ceil() as f32;
+                        let conflicting_fee_rate = conflicting_fee as f32
+                            / conflicting_tx.weight().to_vbytes_ceil() as f32;
+                        if conflicting_fee > fee && conflicting_fee_rate > fee_rate {
+                            return Ok(None);
+                        }
+                    } else if conflicting_tx.txid() > tx.txid() {
+                        // If fee rates cannot be distinguished, then conflicting tx has priority if
+                        // txid of conflicting tx > txid of original tx
                         return Ok(None);
                     }
-                } else if conflicting_tx.txid() > tx.txid() {
-                    // If fee rates cannot be distinguished, then conflicting tx has priority if
-                    // txid of conflicting tx > txid of original tx
-                    return Ok(None);
                 }
             }
         }

crates/chain/tests/test_tx_graph_conflicts.rs

@@ -70,14 +70,12 @@ fn test_tx_conflict_handling() {
                     ..Default::default()
                 },
             ],
-            // correct output if filtered by fee rate: tx1, tx_conflict_1
-            exp_chain_txs: HashSet::from(["tx1", "tx_conflict_1", "tx_conflict_2"]),
-            exp_chain_txouts: HashSet::from([("tx1", 0), ("tx_conflict_1", 0), ("tx_conflict_2", 0)]),
-            // correct output if filtered by fee rate: tx_conflict_1
-            exp_unspents: HashSet::from([("tx_conflict_1", 0), ("tx_conflict_2", 0)]),
+            exp_chain_txs: HashSet::from(["tx1", "tx_conflict_1"]),
+            exp_chain_txouts: HashSet::from([("tx1", 0), ("tx_conflict_1", 0)]),
+            exp_unspents: HashSet::from([("tx_conflict_1", 0)]),
             exp_balance: Balance {
                 immature: 0,
-                trusted_pending: 50000, // correct output if filtered by fee rate: 20000
+                trusted_pending: 20000,
                 untrusted_pending: 0,
                 confirmed: 0,
             },