Merge pull request #1200 from getlipa/feature/expose-reverse-swap-onc…

…hain-fees

Expose reverse swap onchain fees

examples/node/cli.rs

@@ -635,23 +635,23 @@ fn node_info(node: &LightningNode) {
     println!("Node PubKey: {}", node_info.node_pubkey);
     println!("Connected peer(s): {}", peers_list.join(", "));
     println!(
-        "         On-chain balance: {}",
+        "                      On-chain balance: {}",
         amount_to_string(&node_info.onchain_balance)
     );
     println!(
-        "            Local balance: {}",
+        "                         Local balance: {}",
         amount_to_string(&node_info.channels_info.local_balance)
     );
     println!(
-        "         Max receivable in a single payment: {}",
+        "    Max receivable in a single payment: {}",
         amount_to_string(&node_info.channels_info.max_receivable_single_payment)
     );
     println!(
-        "         Total inbound capacity: {}",
+        "                Total inbound capacity: {}",
         amount_to_string(&node_info.channels_info.total_inbound_capacity)
     );
     println!(
-        "        Outbound capacity: {}",
+        "                     Outbound capacity: {}",
         amount_to_string(&node_info.channels_info.outbound_capacity)
     );
 }

src/lib.rs

@@ -1355,6 +1355,10 @@ impl LightningNode {
         } else if let Some(ref s) = payment_details.reverse_swap_info {
             let reverse_swap_info = ReverseSwapInfo {
                 paid_onchain_amount: s.onchain_amount_sat.as_sats().to_amount_up(&exchange_rate),
+                swap_fees_amount: (breez_payment.amount_msat
+                    - s.onchain_amount_sat.as_sats().msats)
+                    .as_msats()
+                    .to_amount_up(&exchange_rate),
                 claim_txid: s.claim_txid.clone(),
                 status: s.status,
             };

src/lipalightninglib.udl

@@ -579,6 +579,7 @@ dictionary SwapInfo {
 
 dictionary ReverseSwapInfo {
     Amount paid_onchain_amount;
+    Amount swap_fees_amount;
     string? claim_txid;
     ReverseSwapStatus status;
 };

src/reverse_swap.rs

@@ -5,10 +5,13 @@ use breez_sdk_core::ReverseSwapStatus;
 #[derive(PartialEq, Debug)]
 pub struct ReverseSwapInfo {
     pub paid_onchain_amount: Amount,
+    /// Total fees paid excluding LN routing fees. Includes onchain
+    /// fees and reverse-swap provider fees.
+    pub swap_fees_amount: Amount,
     /// The tx id of the claim tx, which is the final tx in the reverse swap flow, which send funds
     /// to the targeted on-chain address.
     ///
-    /// It will only be present once the claim tx is broacasted.
+    /// It will only be present once the claim tx is broadcasted.
     pub claim_txid: Option<String>,
     pub status: ReverseSwapStatus,
 }