Extract rust snippets and reference them

snippets/rust/src/send_onchain.rs

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+use std::sync::Arc;
+
+use anyhow::Result;
+use breez_sdk_core::*;
+use log::info;
+
+async fn get_current_fees(sdk: Arc<BreezServices>) -> Result<()> {
+    let current_fees = sdk.fetch_reverse_swap_fees(
+        ReverseSwapFeesRequest {
+            send_amount_sat: Some(50000),
+        })
+        .await?;
+
+    info!("Total estimated fees for reverse swap: {:?}", current_fees.total_estimated_fees);
+
+    Ok(())
+}
+
+async fn list_current_fees(sdk: Arc<BreezServices>, current_fees: ReverseSwapPairInfo) -> Result<()> {
+    info!("Minimum amount, in sats: {}", current_fees.min);
+    info!("Maximum amount, in sats: {}", current_fees.max);
+
+    Ok(())
+}
+
+async fn start_reverse_swap(sdk: Arc<BreezServices>, current_fees: ReverseSwapPairInfo, fee_rate: u64) -> Result<()> {
+    let destination_address = String::from("bc1..");
+    let amount_sat = current_fees.min;
+    let satPerVbyte = fee_rate;
+
+    sdk.send_onchain(amount_sat, destination_address, current_fees.fees_hash, satPerVbyte).await?;
+
+    Ok(())
+}
+
+async fn check_reverse_swap_status(sdk: Arc<BreezServices>) -> Result<()> {
+    for rs in sdk.in_progress_reverse_swaps().await? {
+        info!("Reverse swap {} in progress, status is {:?}", rs.id, rs.status);
+    }
+
+    Ok(())
+}