Add examples for adding extra TLVs to a spontaneous payment

snippets/rust/src/production.rs

@@ -1,14 +1,13 @@
 use anyhow::Result;
 use breez_sdk_core::*;
 
-
 fn production_node_config() -> Result<NodeConfig> {
     // ANCHOR: moving-to-production
     // Read your Greenlight credentials from secure storage
     let device_key: Vec<u8> = vec![];
     let device_cert: Vec<u8> = vec![];
     let greenlight_credentials = GreenlightCredentials {
-        device_key, 
+        device_key,
         device_cert,
     };
 

snippets/rust/src/receive_onchain.rs

@@ -12,8 +12,14 @@ async fn generate_receive_onchain_address(sdk: Arc<BreezServices>) -> Result<()>
 
     // Send your funds to the below bitcoin address
     let address = swap_info.bitcoin_address;
-    info!("Minimum amount allowed to deposit in sats: {}", swap_info.min_allowed_deposit);
-    info!("Maximum amount allowed to deposit in sats: {}", swap_info.max_allowed_deposit);
+    info!(
+        "Minimum amount allowed to deposit in sats: {}",
+        swap_info.min_allowed_deposit
+    );
+    info!(
+        "Maximum amount allowed to deposit in sats: {}",
+        swap_info.max_allowed_deposit
+    );
     // ANCHOR_END: generate-receive-onchain-address
 
     Ok(())

snippets/rust/src/send_onchain.rs

@@ -32,14 +32,9 @@ async fn list_current_fees(current_fees: ReverseSwapPairInfo) -> Result<()> {
 
 async fn max_reverse_swap_amount(sdk: Arc<BreezServices>) -> Result<()> {
     // ANCHOR: max-reverse-swap-amount
-    let max_amount = sdk
-        .max_reverse_swap_amount()
-        .await?;
+    let max_amount = sdk.max_reverse_swap_amount().await?;
 
-    info!(
-        "Max reverse swap amount: {:?}",
-        max_amount.total_sat
-    );
+    info!("Max reverse swap amount: {:?}", max_amount.total_sat);
     // ANCHOR_END: max-reverse-swap-amount
 
     Ok(())

snippets/rust/src/send_spontaneous_payment.rs

@@ -10,9 +10,29 @@ async fn send_spontaneous_payment(sdk: Arc<BreezServices>) -> Result<()> {
     sdk.send_spontaneous_payment(SendSpontaneousPaymentRequest {
         amount_msat: 3_000_000,
         node_id,
+        extra_tlvs: None,
     })
     .await?;
     // ANCHOR_END: send-spontaneous-payment
 
     Ok(())
 }
+
+async fn send_spontaneous_payment_with_tlvs(sdk: Arc<BreezServices>) -> Result<()> {
+    // ANCHOR: send-spontaneous-payment-with-tlvs
+    let node_id = "...".into();
+    let extra_tlvs = vec![TlvEntry {
+        field_number: 34349334,
+        value: "Hello world!".as_bytes().to_vec(),
+    }];
+
+    sdk.send_spontaneous_payment(SendSpontaneousPaymentRequest {
+        amount_msat: 3_000_000,
+        node_id,
+        extra_tlvs: Some(extra_tlvs),
+    })
+    .await?;
+    // ANCHOR_END: send-spontaneous-payment-with-tlvs
+
+    Ok(())
+}

snippets/rust/src/webhook.rs

@@ -1,19 +1,23 @@
-use std::sync::Arc;
 use anyhow::Result;
 use breez_sdk_core::*;
+use std::sync::Arc;
 
 async fn webhook(sdk: Arc<BreezServices>) -> Result<()> {
     // ANCHOR: register-webook
-    sdk.register_webhook("https://yourapplication.com".to_string()).await?;
+    sdk.register_webhook("https://yourapplication.com".to_string())
+        .await?;
     // ANCHOR_END: register-webook
 
     Ok(())
 }
 
 async fn payment_webhook(sdk: Arc<BreezServices>) -> Result<()> {
-  // ANCHOR: register-payment-webook
-  sdk.register_webhook("https://your-nds-service.com/notify?platform=ios&token=<PUSH_TOKEN>".to_string()).await?;    
-  // ANCHOR_END: register-payment-webook
+    // ANCHOR: register-payment-webook
+    sdk.register_webhook(
+        "https://your-nds-service.com/notify?platform=ios&token=<PUSH_TOKEN>".to_string(),
+    )
+    .await?;
+    // ANCHOR_END: register-payment-webook
 
-  Ok(())
+    Ok(())
 }