From 3c6bdccc81c8227cd4ed25b7ea944aa5c39d8efe Mon Sep 17 00:00:00 2001
From: thunderbiscuit <thunderbiscuit@protonmail.com>
Date: Fri, 9 Jun 2023 10:04:05 -0400
Subject: [PATCH] Temp 4

---
 bdk-ffi/src/psbt.rs   | 11 ++++++++++-
 bdk-ffi/src/wallet.rs | 40 ++++++++++++++++++++++++++++++----------
 2 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/bdk-ffi/src/psbt.rs b/bdk-ffi/src/psbt.rs
index 869454cc..56f02610 100644
--- a/bdk-ffi/src/psbt.rs
+++ b/bdk-ffi/src/psbt.rs
@@ -81,7 +81,10 @@ impl PartiallySignedTransaction {
     // Return the inputs present in the PSBT.
     pub(crate) fn inputs(&self) -> Vec<Arc<Input>> {
         let psbt = self.internal.lock().unwrap();
-        psbt.inputs.iter().map(|i| Arc::new(i.clone().into())).collect()
+        psbt.inputs
+            .iter()
+            .map(|i| Arc::new(i.clone().into()))
+            .collect()
     }
 }
 
@@ -111,6 +114,12 @@ impl From<BdkInput> for Input {
     }
 }
 
+impl From<Input> for BdkInput {
+    fn from(input: Input) -> Self {
+        input.inner
+    }
+}
+
 /// A Signature hash type for the corresponding input. As of taproot upgrade, the signature hash
 /// type can be either [`EcdsaSighashType`] or [`SchnorrSighashType`] but it is not possible to know
 /// directly which signature hash type the user is dealing with. Therefore, the user is responsible
diff --git a/bdk-ffi/src/wallet.rs b/bdk-ffi/src/wallet.rs
index 97c9bfd5..7e5613d2 100644
--- a/bdk-ffi/src/wallet.rs
+++ b/bdk-ffi/src/wallet.rs
@@ -1,3 +1,11 @@
+use crate::blockchain::Blockchain;
+use crate::database::DatabaseConfig;
+use crate::descriptor::Descriptor;
+use crate::psbt::{Input, PartiallySignedTransaction, PsbtSighashType};
+use crate::{
+    AddressIndex, AddressInfo, Balance, BdkError, LocalUtxo, OutPoint, Progress, ProgressHolder,
+    RbfValue, Script, ScriptAmount, TransactionDetails, TxBuilderResult,
+};
 use bdk::bitcoin::blockdata::script::Script as BdkScript;
 use bdk::bitcoin::{Address as BdkAddress, Network, OutPoint as BdkOutPoint, Sequence, Txid};
 use bdk::database::any::AnyDatabase;
@@ -12,15 +20,6 @@ use std::ops::Deref;
 use std::str::FromStr;
 use std::sync::{Arc, Mutex, MutexGuard};
 
-use crate::blockchain::Blockchain;
-use crate::database::DatabaseConfig;
-use crate::descriptor::Descriptor;
-use crate::psbt::{Input, PartiallySignedTransaction, PsbtSighashType};
-use crate::{
-    AddressIndex, AddressInfo, Balance, BdkError, LocalUtxo, OutPoint, Progress, ProgressHolder,
-    RbfValue, Script, ScriptAmount, TransactionDetails, TxBuilderResult,
-};
-
 #[derive(Debug)]
 pub(crate) struct Wallet {
     pub(crate) wallet_mutex: Mutex<BdkWallet<AnyDatabase>>,
@@ -373,7 +372,8 @@ impl TxBuilder {
     ) -> Arc<Self> {
         // TODO: Why doesn't the OutPoint parameter here need an Arc?
 
-        let mut current_foreign_utxos: Vec<(OutPoint, Arc<Input>, u64)> = self.foreign_utxos.clone();
+        let mut current_foreign_utxos: Vec<(OutPoint, Arc<Input>, u64)> =
+            self.foreign_utxos.clone();
         let new_foreign_utxo = (outpoint, psbt_input, satisfaction_weight);
         current_foreign_utxos.push(new_foreign_utxo);
         Arc::new(TxBuilder {
@@ -494,6 +494,26 @@ impl TxBuilder {
             let utxos: &[BdkOutPoint] = &bdk_utxos;
             tx_builder.add_utxos(utxos)?;
         }
+        if !self.foreign_utxos.is_empty() {
+            // TODO: Not sure why the double dereference ** is needed here... it just works?
+            //       I really just need to grab the Input inside the Arc but not sure how else to do it.
+            for (outpoint, input, value) in self.foreign_utxos.iter() {
+                let input_new: Input = (**input).clone();
+                tx_builder.add_foreign_utxo(outpoint.into(), input_new.into(), *value as usize)?;
+            }
+
+            // let bdk_foreign_utxos: Vec<(OutPoint, Arc<Input>, u64)> = self
+            //     .foreign_utxos.iter().map(|(outpoint, input, value)| {
+            //         (outpoint, input.clone(), *value)
+            //     }
+            // ).collect();
+            // let foreign_utxos: Vec<(OutPoint, Arc<Input>, u64)> = bdk_foreign_utxos;
+            // for (outpoint, input, value) in foreign_utxos.iter() {
+
+            // foreign_utxos.forEach(|(outpoint, input, value)| {
+            //     tx_builder.add_foreign_utxo(outpoint, input, value)?;
+            // });
+        }
         if !self.unspendable.is_empty() {
             let bdk_unspendable: Vec<BdkOutPoint> =
                 self.unspendable.iter().map(BdkOutPoint::from).collect();