Add Impl for Bolt12Send Api

Author: G8XSU

server/src/api/bolt12_send.rs

@@ -0,0 +1,25 @@
+use bytes::Bytes;
+use ldk_node::lightning::offers::offer::Offer;
+use ldk_node::Node;
+use protos::{Bolt12SendRequest, Bolt12SendResponse};
+use std::str::FromStr;
+use std::sync::Arc;
+
+pub(crate) const BOLT12_SEND_PATH: &str = "Bolt12Send";
+
+pub(crate) fn handle_bolt12_send_request(
+	node: Arc<Node>, request: Bolt12SendRequest,
+) -> Result<Bolt12SendResponse, ldk_node::NodeError> {
+	let offer =
+		Offer::from_str(&request.offer.as_str()).map_err(|_| ldk_node::NodeError::InvalidOffer)?;
+
+	let payment_id = match request.amount_msat {
+		None => node.bolt12_payment().send(&offer, request.payer_note),
+		Some(amount_msat) => {
+			node.bolt12_payment().send_using_amount(&offer, request.payer_note, amount_msat)
+		},
+	}?;
+
+	let response = Bolt12SendResponse { payment_id: Bytes::from(payment_id.0.to_vec()) };
+	Ok(response)
+}

server/src/api/mod.rs

@@ -1,6 +1,7 @@
 pub(crate) mod bolt11_receive;
 pub(crate) mod bolt11_send;
 pub(crate) mod bolt12_receive;
+pub(crate) mod bolt12_send;
 pub(crate) mod onchain_receive;
 pub(crate) mod onchain_send;
 pub(crate) mod open_channel;

server/src/service.rs

@@ -23,6 +23,8 @@ use crate::api::bolt11_send::handle_bolt11_send_request;
 use crate::api::bolt11_send::BOLT11_SEND_PATH;
 use crate::api::bolt12_receive::handle_bolt12_receive_request;
 use crate::api::bolt12_receive::BOLT12_RECEIVE_PATH;
+use crate::api::bolt12_send::handle_bolt12_send_request;
+use crate::api::bolt12_send::BOLT12_SEND_PATH;
 
 #[derive(Clone)]
 pub struct NodeService {
@@ -54,6 +56,7 @@ impl Service<Request<Incoming>> for NodeService {
 			BOLT12_RECEIVE_PATH => {
 				Box::pin(handle_request(node, req, handle_bolt12_receive_request))
 			},
+			BOLT12_SEND_PATH => Box::pin(handle_request(node, req, handle_bolt12_send_request)),
 			OPEN_CHANNEL_PATH => Box::pin(handle_request(node, req, handle_open_channel)),
 			path => {
 				let error = format!("Unknown request: {}", path).into_bytes();