From 0b936deca89ab5478eecc180ca768c42bcbf661a Mon Sep 17 00:00:00 2001
From: Sosthene <contact@sosthene.net>
Date: Sat, 24 Jan 2026 18:33:29 +0100
Subject: [PATCH] feat: Replace SpendStatus with SpendInfo

---
 spdk-core/src/client/spend.rs    | 15 ++--------
 spdk-core/src/client/structs.rs  | 49 ++++++++++++++++++++++++++------
 spdk-core/src/scanner/scanner.rs |  5 ++--
 3 files changed, 46 insertions(+), 23 deletions(-)

diff --git a/spdk-core/src/client/spend.rs b/spdk-core/src/client/spend.rs
index 22cdfbb..6bb2df7 100644
--- a/spdk-core/src/client/spend.rs
+++ b/spdk-core/src/client/spend.rs
@@ -23,10 +23,7 @@ use anyhow::{Error, Result};
 
 use crate::constants::{DATA_CARRIER_SIZE, NUMS};
 
-use super::{
-    OutputSpendStatus, OwnedOutput, Recipient, RecipientAddress, SilentPaymentUnsignedTransaction,
-    SpClient,
-};
+use super::{OwnedOutput, Recipient, RecipientAddress, SilentPaymentUnsignedTransaction, SpClient};
 
 impl SpClient {
     // For now it's only suitable for wallet that spends only silent payments outputs that it owns
@@ -38,10 +35,7 @@ impl SpClient {
         network: Network,
     ) -> Result<SilentPaymentUnsignedTransaction> {
         // check that all available outputs are unspent
-        if available_utxos
-            .iter()
-            .any(|(_, o)| o.spend_status != OutputSpendStatus::Unspent)
-        {
+        if available_utxos.iter().any(|(_, o)| !o.is_unspent()) {
             return Err(Error::msg("All outputs must be unspent".to_string()));
         }
 
@@ -173,10 +167,7 @@ impl SpClient {
         network: Network,
     ) -> Result<SilentPaymentUnsignedTransaction> {
         // check that all available outputs are unspent
-        if available_utxos
-            .iter()
-            .any(|(_, o)| o.spend_status != OutputSpendStatus::Unspent)
-        {
+        if available_utxos.iter().any(|(_, o)| !o.is_unspent()) {
             return Err(Error::msg("All outputs must be unspent".to_string()));
         }
 
diff --git a/spdk-core/src/client/structs.rs b/spdk-core/src/client/structs.rs
index d942296..54cec73 100644
--- a/spdk-core/src/client/structs.rs
+++ b/spdk-core/src/client/structs.rs
@@ -7,19 +7,36 @@ use bitcoin::{
     hex::{DisplayHex, FromHex},
     key::Secp256k1,
     secp256k1::{PublicKey, SecretKey},
-    Address, Amount, Network, OutPoint, ScriptBuf, Transaction,
+    Address, Amount, BlockHash, Network, OutPoint, ScriptBuf, Transaction, Txid,
 };
 use serde::{Deserialize, Serialize};
 use silentpayments::{receiving::Label, SilentPaymentAddress};
 
-type SpendingTxId = [u8; 32];
-type MinedInBlock = [u8; 32];
+#[derive(Default, Debug, Serialize, Deserialize, Clone, PartialEq)]
+pub struct SpendInfo {
+    pub spending_txid: Option<Txid>,
+    pub mined_in_block: Option<BlockHash>,
+}
 
-#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
-pub enum OutputSpendStatus {
-    Unspent,
-    Spent(SpendingTxId),
-    Mined(MinedInBlock),
+impl SpendInfo {
+    pub fn new_empty() -> Self {
+        Self {
+            spending_txid: None,
+            mined_in_block: None,
+        }
+    }
+
+    pub fn is_unspent(&self) -> bool {
+        self.spending_txid.is_none() && self.mined_in_block.is_none()
+    }
+
+    pub fn is_spent_unconfirmed(&self) -> bool {
+        self.spending_txid.is_some() && self.mined_in_block.is_none()
+    }
+
+    pub fn is_mined(&self) -> bool {
+        self.mined_in_block.is_some()
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
@@ -29,7 +46,21 @@ pub struct OwnedOutput {
     pub amount: Amount,
     pub script: ScriptBuf,
     pub label: Option<Label>,
-    pub spend_status: OutputSpendStatus,
+    pub spend_info: SpendInfo,
+}
+
+impl OwnedOutput {
+    pub fn is_unspent(&self) -> bool {
+        self.spend_info.is_unspent()
+    }
+
+    pub fn is_mined(&self) -> bool {
+        self.spend_info.is_mined()
+    }
+
+    pub fn is_spent_unconfirmed(&self) -> bool {
+        self.spend_info.is_spent_unconfirmed()
+    }
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
diff --git a/spdk-core/src/scanner/scanner.rs b/spdk-core/src/scanner/scanner.rs
index 67e793e..bdb343e 100644
--- a/spdk-core/src/scanner/scanner.rs
+++ b/spdk-core/src/scanner/scanner.rs
@@ -18,8 +18,9 @@ use silentpayments::receiving::Label;
 
 use crate::{
     backend::{BlockData, ChainBackend, FilterData, UtxoData},
-    client::{OutputSpendStatus, OwnedOutput, SpClient},
+    client::{OwnedOutput, SpClient},
     updater::Updater,
+    SpendInfo,
 };
 
 pub struct SpScanner<'a> {
@@ -198,7 +199,7 @@ impl<'a> SpScanner<'a> {
                             amount: utxo.value,
                             script: utxo.scriptpubkey,
                             label,
-                            spend_status: OutputSpendStatus::Unspent,
+                            spend_info: SpendInfo::new_empty(),
                         };
 
                         res.insert(outpoint, out);