f Clean up list_confirmed_utxos a bit

Author: tnull

src/wallet.rs

@@ -260,52 +260,55 @@ where
 	fn list_confirmed_utxos(&self) -> Result<Vec<Utxo>, ()> {
 		let locked_wallet = self.inner.lock().unwrap();
 		let mut utxos = Vec::new();
-		let txs = locked_wallet.list_transactions(true).map_err(|e| {
-			log_error!(self.logger, "Failed to retrieve transactions from wallet: {}", e);
-		})?;
-		let unspent = locked_wallet.list_unspent().map_err(|e| {
-			log_error!(self.logger, "Failed to retrieve unspent transactions from wallet: {}", e);
-		})?;
-
-		for u in unspent {
-			for t in &txs {
-				if u.outpoint.txid == t.txid && t.confirmation_time.is_some() {
-					let payload = Payload::from_script(&u.txout.script_pubkey).map_err(|e| {
-						log_error!(self.logger, "Failed to retrieve script payload: {}", e);
-					})?;
-
-					match payload {
-						Payload::WitnessProgram(program) => {
-							if program.version() == WitnessVersion::V0
-								&& program.program().len() == 20
-							{
-								let wpkh = WPubkeyHash::from_slice(program.program().as_bytes())
-									.map_err(|e| {
-										log_error!(
-											self.logger,
-											"Failed to retrieve script payload: {}",
-											e
-										);
-									})?;
-								let utxo = Utxo::new_v0_p2wpkh(u.outpoint, u.txout.value, &wpkh);
-								utxos.push(utxo);
-							} else {
-								log_error!(
-									self.logger,
-									"Unexpected program length: {}",
-									program.program().len()
-								);
-							}
-						}
-						_ => {
-							log_error!(
-								self.logger,
-								"Tried to use a non-witness script. This must never happen."
-							);
-							panic!("Tried to use a non-witness script. This must never happen.");
-						}
+		let confirmed_txs: Vec<bdk::TransactionDetails> = locked_wallet
+			.list_transactions(false)
+			.map_err(|e| {
+				log_error!(self.logger, "Failed to retrieve transactions from wallet: {}", e);
+			})?
+			.into_iter()
+			.filter(|t| t.confirmation_time.is_some())
+			.collect();
+		let unspent_confirmed_utxos = locked_wallet
+			.list_unspent()
+			.map_err(|e| {
+				log_error!(
+					self.logger,
+					"Failed to retrieve unspent transactions from wallet: {}",
+					e
+				);
+			})?
+			.into_iter()
+			.filter(|u| confirmed_txs.iter().find(|t| t.txid == u.outpoint.txid).is_some());
+
+		for u in unspent_confirmed_utxos {
+			let payload = Payload::from_script(&u.txout.script_pubkey).map_err(|e| {
+				log_error!(self.logger, "Failed to retrieve script payload: {}", e);
+			})?;
+
+			match payload {
+				Payload::WitnessProgram(program) => {
+					if program.version() == WitnessVersion::V0 && program.program().len() == 20 {
+						let wpkh =
+							WPubkeyHash::from_slice(program.program().as_bytes()).map_err(|e| {
+								log_error!(self.logger, "Failed to retrieve script payload: {}", e);
+							})?;
+						let utxo = Utxo::new_v0_p2wpkh(u.outpoint, u.txout.value, &wpkh);
+						utxos.push(utxo);
+					} else {
+						log_error!(
+							self.logger,
+							"Unexpected program length: {}",
+							program.program().len()
+						);
 					}
 				}
+				_ => {
+					log_error!(
+						self.logger,
+						"Tried to use a non-witness script. This must never happen."
+					);
+					panic!("Tried to use a non-witness script. This must never happen.");
+				}
 			}
 		}