Add LSPS2 service-side support

Cargo.toml

@@ -36,7 +36,8 @@ lightning-background-processor = { version = "0.0.125", features = ["futures"] }
 lightning-rapid-gossip-sync = { version = "0.0.125" }
 lightning-block-sync = { version = "0.0.125", features = ["rpc-client", "tokio"] }
 lightning-transaction-sync = { version = "0.0.125", features = ["esplora-async-https", "time"] }
-lightning-liquidity = { version = "0.1.0-alpha.6", features = ["std"] }
+#lightning-liquidity = { version = "0.1.0-alpha.6", features = ["std"] }
+lightning-liquidity = { git = "https://github.com/tnull/lightning-liquidity", branch="2024-07-update-lsps1", features = ["std"] }
 
 #lightning = { git = "https://github.com/lightningdevkit/rust-lightning", branch="main", features = ["std"] }
 #lightning-invoice = { git = "https://github.com/lightningdevkit/rust-lightning", branch="main" }

bindings/ldk_node.udl

@@ -39,7 +39,8 @@ interface Builder {
 	void set_chain_source_bitcoind_rpc(string rpc_host, u16 rpc_port, string rpc_user, string rpc_password);
 	void set_gossip_source_p2p();
 	void set_gossip_source_rgs(string rgs_server_url);
-	void set_liquidity_source_lsps2(SocketAddress address, PublicKey node_id, string? token);
+	void set_liquidity_source_lsps1(PublicKey node_id, SocketAddress address, string? token);
+	void set_liquidity_source_lsps2(PublicKey node_id, SocketAddress address, string? token);
 	void set_storage_dir_path(string storage_dir_path);
 	void set_network(Network network);
 	[Throws=BuildError]
@@ -78,6 +79,7 @@ interface Node {
 	SpontaneousPayment spontaneous_payment();
 	OnchainPayment onchain_payment();
 	UnifiedQrPayment unified_qr_payment();
+	Lsps1Liquidity lsps1_liquidity();
 	[Throws=NodeError]
 	void connect(PublicKey node_id, SocketAddress address, boolean persist);
 	[Throws=NodeError]
@@ -173,6 +175,13 @@ interface UnifiedQrPayment {
 	QrPaymentResult send([ByRef]string uri_str);
 };
 
+interface Lsps1Liquidity {
+	[Throws=NodeError]
+	LSPS1OrderStatus request_channel(u64 lsp_balance_sat, u64 client_balance_sat, u32 channel_expiry_blocks, boolean announce_channel);
+	[Throws=NodeError]
+	LSPS1OrderStatus check_order_status(OrderId order_id);
+};
+
 [Error]
 enum NodeError {
 	"AlreadyRunning",
@@ -220,6 +229,8 @@ enum NodeError {
 	"InvalidUri",
 	"InvalidQuantity",
 	"InvalidNodeAlias",
+	"InvalidDateTime",
+	"InvalidFeeRate",
 	"DuplicatePayment",
 	"UnsupportedCurrency",
 	"InsufficientFunds",
@@ -370,6 +381,59 @@ dictionary CustomTlvRecord {
 	sequence<u8> value;
 };
 
+dictionary LSPS1OrderStatus {
+	OrderId order_id;
+	OrderParameters order_params;
+	PaymentInfo payment_options;
+	ChannelOrderInfo? channel_state;
+};
+
+dictionary OrderParameters {
+	u64 lsp_balance_sat;
+	u64 client_balance_sat;
+	u16 required_channel_confirmations;
+	u16 funding_confirms_within_blocks;
+	u32 channel_expiry_blocks;
+	string? token;
+	boolean announce_channel;
+};
+
+dictionary PaymentInfo {
+	Bolt11PaymentInfo? bolt11;
+	OnchainPaymentInfo? onchain;
+};
+
+dictionary Bolt11PaymentInfo {
+	PaymentState state;
+	DateTime expires_at;
+	u64 fee_total_sat;
+	u64 order_total_sat;
+	Bolt11Invoice invoice;
+};
+
+dictionary OnchainPaymentInfo {
+	PaymentState state;
+	DateTime expires_at;
+	u64 fee_total_sat;
+	u64 order_total_sat;
+	Address address;
+	u16? min_onchain_payment_confirmations;
+	FeeRate min_fee_for_0conf;
+	Address? refund_onchain_address;
+};
+
+dictionary ChannelOrderInfo {
+	DateTime funded_at;
+	OutPoint funding_outpoint;
+	DateTime expires_at;
+};
+
+enum PaymentState {
+	"ExpectPayment",
+	"Paid",
+	"Refunded",
+};
+
 [Enum]
 interface MaxTotalRoutingFeeLimit {
 	None ();
@@ -622,3 +686,12 @@ typedef string UntrustedString;
 
 [Custom]
 typedef string NodeAlias;
+
+[Custom]
+typedef string OrderId;
+
+[Custom]
+typedef string DateTime;
+
+[Custom]
+typedef string FeeRate;