Expose fees for review + auto accept

cli/src/commands.rs

@@ -4,7 +4,7 @@ use std::sync::Arc;
 use std::thread;
 use std::time::Duration;
 
-use anyhow::{anyhow, Result};
+use anyhow::{anyhow, bail, Result};
 use breez_sdk_liquid::prelude::*;
 use clap::{arg, Parser};
 use qrcode_rs::render::unicode;
@@ -131,6 +131,14 @@ pub(crate) enum Command {
         /// Lightning payment hash
         payment_hash: String,
     },
+    /// Get proposed fees for WaitingFeeAcceptance Payment
+    FetchPaymentProposedFees { swap_id: String },
+    /// Accept proposed fees for WaitingFeeAcceptance Payment
+    AcceptPaymentProposedFees {
+        swap_id: String,
+        // Fee amount obtained using FetchPaymentProposedFees
+        fees_sat: u64,
+    },
     /// List refundable chain swaps
     ListRefundables,
     /// Prepare a refund transaction for an incomplete swap
@@ -519,6 +527,23 @@ pub(crate) async fn handle_command(
                 }
             }
         }
+        Command::FetchPaymentProposedFees { swap_id } => {
+            let res = sdk
+                .fetch_payment_proposed_fees(&FetchPaymentProposedFeesRequest { swap_id })
+                .await?;
+            command_result!(res)
+        }
+        Command::AcceptPaymentProposedFees { swap_id, fees_sat } => {
+            let res = sdk
+                .fetch_payment_proposed_fees(&FetchPaymentProposedFeesRequest { swap_id })
+                .await?;
+            if fees_sat != res.fees_sat {
+                bail!("Fees changed since they were fetched")
+            }
+            sdk.accept_payment_proposed_fees(&AcceptPaymentProposedFeesRequest { response: res })
+                .await?;
+            command_result!("Proposed fees accepted successfully")
+        }
         Command::ListRefundables => {
             let refundables = sdk.list_refundables().await?;
             command_result!(refundables)