From 911af34f509ad0b4c86c0be819d79b202679e3e5 Mon Sep 17 00:00:00 2001
From: rajarshimaitra <rajarshi149@gmail.com>
Date: Thu, 27 Apr 2023 19:38:25 +0530
Subject: [PATCH] [bdk_chain_redesign] Fix calculation bugs.

* `IndexedTxGraph::try_balance` should include "confirmed and spendable"
  into `confirmed` balance.
* `TxGraph::try_list_chain_unspents` filter logic should be reversed.
---
 crates/chain/src/indexed_tx_graph.rs | 10 ++++------
 crates/chain/src/tx_graph.rs         |  2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/crates/chain/src/indexed_tx_graph.rs b/crates/chain/src/indexed_tx_graph.rs
index c4ee3209..6d8c16ff 100644
--- a/crates/chain/src/indexed_tx_graph.rs
+++ b/crates/chain/src/indexed_tx_graph.rs
@@ -229,12 +229,10 @@ impl<A: Anchor, I: OwnedIndexer> IndexedTxGraph<A, I> {
 
             match &txout.chain_position {
                 ObservedAs::Confirmed(_) => {
-                    if txout.is_on_coinbase {
-                        if txout.is_mature(tip_height) {
-                            confirmed += txout.txout.value;
-                        } else {
-                            immature += txout.txout.value;
-                        }
+                    if txout.is_confirmed_and_spendable(tip_height) {
+                        confirmed += txout.txout.value;
+                    } else if !txout.is_mature(tip_height) {
+                        immature += txout.txout.value;
                     }
                 }
                 ObservedAs::Unconfirmed(_) => {
diff --git a/crates/chain/src/tx_graph.rs b/crates/chain/src/tx_graph.rs
index ca6d0788..cee688be 100644
--- a/crates/chain/src/tx_graph.rs
+++ b/crates/chain/src/tx_graph.rs
@@ -860,7 +860,7 @@ impl<A: Anchor> TxGraph<A> {
         chain_tip: BlockId,
     ) -> impl Iterator<Item = Result<FullTxOut<ObservedAs<A>>, C::Error>> + 'a {
         self.try_list_chain_txouts(chain, chain_tip)
-            .filter(|r| !matches!(r, Ok(txo) if txo.spent_by.is_none()))
+            .filter(|r| matches!(r, Ok(txo) if txo.spent_by.is_none()))
     }
 
     /// List unspent outputs (UTXOs) that are in `chain` with `chain_tip`.