-impl UtxoLookup for BitcoindClient {
- fn get_utxo(&self, _genesis_hash: &BlockHash, _short_channel_id: u64) -> UtxoResult {
- // P2PGossipSync takes None for a UtxoLookup, so this will never be called.
- todo!();
+impl WalletSource for BitcoindClient {
+ fn list_confirmed_utxos(&self) -> Result<Vec<Utxo>, ()> {
+ let utxos = tokio::task::block_in_place(move || {
+ self.handle.block_on(async move { self.list_unspent().await }).0
+ });
+ Ok(utxos
+ .into_iter()
+ .filter_map(|utxo| {
+ let outpoint = OutPoint { txid: utxo.txid, vout: utxo.vout };
+ match utxo.address.payload.clone() {
+ Payload::WitnessProgram(wp) => match wp.version() {
+ WitnessVersion::V0 => WPubkeyHash::from_slice(wp.program().as_bytes())
+ .map(|wpkh| Utxo::new_v0_p2wpkh(outpoint, utxo.amount, &wpkh))
+ .ok(),
+ // TODO: Add `Utxo::new_v1_p2tr` upstream.
+ WitnessVersion::V1 => XOnlyPublicKey::from_slice(wp.program().as_bytes())
+ .map(|_| Utxo {
+ outpoint,
+ output: TxOut {
+ value: utxo.amount,
+ script_pubkey: ScriptBuf::new_witness_program(&wp),
+ },
+ satisfaction_weight: 1 /* empty script_sig */ * WITNESS_SCALE_FACTOR as u64 +
+ 1 /* witness items */ + 1 /* schnorr sig len */ + 64, /* schnorr sig */
+ })
+ .ok(),
+ _ => None,
+ },
+ _ => None,
+ }
+ })
+ .collect())
+ }
+
+ fn get_change_script(&self) -> Result<ScriptBuf, ()> {
+ tokio::task::block_in_place(move || {
+ Ok(self.handle.block_on(async move { self.get_new_address().await.script_pubkey() }))
+ })
+ }
+
+ fn sign_psbt(&self, tx: PartiallySignedTransaction) -> Result<Transaction, ()> {
+ let mut tx_bytes = Vec::new();
+ let _ = tx.unsigned_tx.consensus_encode(&mut tx_bytes).map_err(|_| ());
+ let tx_hex = hex_utils::hex_str(&tx_bytes);
+ let signed_tx = tokio::task::block_in_place(move || {
+ self.handle.block_on(async move { self.sign_raw_transaction_with_wallet(tx_hex).await })
+ });
+ let signed_tx_bytes = hex_utils::to_vec(&signed_tx.hex).ok_or(())?;
+ Transaction::consensus_decode(&mut signed_tx_bytes.as_slice()).map_err(|_| ())