feat: expose list_unspent and list_output methods on wallet

bdk-ffi/src/bdk.udl

@@ -225,6 +225,10 @@ interface Wallet {
 
   [Throws=CalculateFeeError]
   FeeRate calculate_fee_rate([ByRef] Transaction tx);
+
+  sequence<LocalOutput> list_unspent();
+
+  sequence<LocalOutput> list_output();
 };
 
 interface Update {};

bdk-ffi/src/wallet.rs

@@ -3,7 +3,9 @@ use crate::descriptor::Descriptor;
 use crate::error::{
     Alpha3Error, CalculateFeeError, PersistenceError, TxidParseError, WalletCreationError,
 };
-use crate::types::{AddressIndex, AddressInfo, Balance, CanonicalTx, FeeRate, ScriptAmount};
+use crate::types::{
+    AddressIndex, AddressInfo, Balance, CanonicalTx, FeeRate, LocalOutput, ScriptAmount,
+};
 
 use bdk::bitcoin::blockdata::script::ScriptBuf as BdkScriptBuf;
 use bdk::bitcoin::psbt::PartiallySignedTransaction as BdkPartiallySignedTransaction;
@@ -128,6 +130,14 @@ impl Wallet {
             .map(|bdk_fee_rate| Arc::new(FeeRate(bdk_fee_rate)))
             .map_err(|e| e.into())
     }
+
+    pub fn list_unspent(&self) -> Vec<LocalOutput> {
+        self.get_wallet().list_unspent().map(|o| o.into()).collect()
+    }
+
+    pub fn list_output(&self) -> Vec<LocalOutput> {
+        self.get_wallet().list_output().map(|o| o.into()).collect()
+    }
 }
 
 pub struct SentAndReceivedValues {