Add BOLT12 support

bindings/ldk_node.udl

@@ -54,6 +54,7 @@ interface Node {
 	PublicKey node_id();
 	sequence<SocketAddress>? listening_addresses();
 	Bolt11Payment bolt11_payment();
+	Bolt12Payment bolt12_payment();
 	SpontaneousPayment spontaneous_payment();
 	OnchainPayment onchain_payment();
 	[Throws=NodeError]
@@ -99,6 +100,21 @@ interface Bolt11Payment {
 	Bolt11Invoice receive_variable_amount_via_jit_channel([ByRef]string description, u32 expiry_secs, u64? max_proportional_lsp_fee_limit_ppm_msat);
 };
 
+interface Bolt12Payment {
+	[Throws=NodeError]
+	PaymentId send([ByRef]Offer offer, string? payer_note);
+	[Throws=NodeError]
+	PaymentId send_using_amount([ByRef]Offer offer, string? payer_note, u64 amount_msat);
+	[Throws=NodeError]
+	Offer receive(u64 amount_msat, [ByRef]string description);
+	[Throws=NodeError]
+	Offer receive_variable_amount([ByRef]string description);
+	[Throws=NodeError]
+	Bolt12Invoice request_refund_payment([ByRef]Refund refund);
+	[Throws=NodeError]
+	Refund initiate_refund(u64 amount_msat, u32 expiry_secs);
+};
+
 interface SpontaneousPayment {
 	[Throws=NodeError]
 	PaymentId send(u64 amount_msat, PublicKey node_id);
@@ -122,6 +138,9 @@ enum NodeError {
 	"OnchainTxCreationFailed",
 	"ConnectionFailed",
 	"InvoiceCreationFailed",
+	"InvoiceRequestCreationFailed",
+	"OfferCreationFailed",
+	"RefundCreationFailed",
 	"PaymentSendingFailed",
 	"ProbeSendingFailed",
 	"ChannelCreationFailed",
@@ -139,15 +158,19 @@ enum NodeError {
 	"InvalidSocketAddress",
 	"InvalidPublicKey",
 	"InvalidSecretKey",
+	"InvalidOfferId",
 	"InvalidPaymentId",
 	"InvalidPaymentHash",
 	"InvalidPaymentPreimage",
 	"InvalidPaymentSecret",
 	"InvalidAmount",
 	"InvalidInvoice",
+	"InvalidOffer",
+	"InvalidRefund",
 	"InvalidChannelId",
 	"InvalidNetwork",
 	"DuplicatePayment",
+	"UnsupportedCurrency",
 	"InsufficientFunds",
 	"LiquiditySourceUnavailable",
 	"LiquidityFeeTooHigh",
@@ -225,6 +248,8 @@ interface PaymentKind {
 	Onchain();
 	Bolt11(PaymentHash hash, PaymentPreimage? preimage, PaymentSecret? secret);
 	Bolt11Jit(PaymentHash hash, PaymentPreimage? preimage, PaymentSecret? secret, LSPFeeLimits lsp_fee_limits);
+	Bolt12Offer(PaymentHash? hash, PaymentPreimage? preimage, PaymentSecret? secret, OfferId offer_id);
+	Bolt12Refund(PaymentHash? hash, PaymentPreimage? preimage, PaymentSecret? secret);
 	Spontaneous(PaymentHash hash, PaymentPreimage? preimage);
 };
 
@@ -371,6 +396,18 @@ typedef string Address;
 [Custom]
 typedef string Bolt11Invoice;
 
+[Custom]
+typedef string Offer;
+
+[Custom]
+typedef string Refund;
+
+[Custom]
+typedef string Bolt12Invoice;
+
+[Custom]
+typedef string OfferId;
+
 [Custom]
 typedef string PaymentId;
 

src/builder.rs

@@ -785,7 +785,7 @@ fn build_with_store_internal(
 		Arc::clone(&logger),
 		Arc::clone(&channel_manager),
 		Arc::new(message_router),
-		IgnoringMessageHandler {},
+		Arc::clone(&channel_manager),
 		IgnoringMessageHandler {},
 	));
 	let ephemeral_bytes: [u8; 32] = keys_manager.get_secure_random_bytes();

src/error.rs

@@ -13,6 +13,12 @@ pub enum Error {
 	ConnectionFailed,
 	/// Invoice creation failed.
 	InvoiceCreationFailed,
+	/// Invoice request creation failed.
+	InvoiceRequestCreationFailed,
+	/// Offer creation failed.
+	OfferCreationFailed,
+	/// Refund creation failed.
+	RefundCreationFailed,
 	/// Sending a payment has failed.
 	PaymentSendingFailed,
 	/// Sending a payment probe has failed.
@@ -47,6 +53,8 @@ pub enum Error {
 	InvalidPublicKey,
 	/// The given secret key is invalid.
 	InvalidSecretKey,
+	/// The given offer id is invalid.
+	InvalidOfferId,
 	/// The given payment id is invalid.
 	InvalidPaymentId,
 	/// The given payment hash is invalid.
@@ -59,12 +67,18 @@ pub enum Error {
 	InvalidAmount,
 	/// The given invoice is invalid.
 	InvalidInvoice,
+	/// The given offer is invalid.
+	InvalidOffer,
+	/// The given refund is invalid.
+	InvalidRefund,
 	/// The given channel ID is invalid.
 	InvalidChannelId,
 	/// The given network is invalid.
 	InvalidNetwork,
 	/// A payment with the given hash has already been initiated.
 	DuplicatePayment,
+	/// The provided offer was denonminated in an unsupported currency.
+	UnsupportedCurrency,
 	/// The available funds are insufficient to complete the given operation.
 	InsufficientFunds,
 	/// The given operation failed due to the required liquidity source being unavailable.
@@ -83,6 +97,9 @@ impl fmt::Display for Error {
 			},
 			Self::ConnectionFailed => write!(f, "Network connection closed."),
 			Self::InvoiceCreationFailed => write!(f, "Failed to create invoice."),
+			Self::InvoiceRequestCreationFailed => write!(f, "Failed to create invoice request."),
+			Self::OfferCreationFailed => write!(f, "Failed to create offer."),
+			Self::RefundCreationFailed => write!(f, "Failed to create refund."),
 			Self::PaymentSendingFailed => write!(f, "Failed to send the given payment."),
 			Self::ProbeSendingFailed => write!(f, "Failed to send the given payment probe."),
 			Self::ChannelCreationFailed => write!(f, "Failed to create channel."),
@@ -102,12 +119,15 @@ impl fmt::Display for Error {
 			Self::InvalidSocketAddress => write!(f, "The given network address is invalid."),
 			Self::InvalidPublicKey => write!(f, "The given public key is invalid."),
 			Self::InvalidSecretKey => write!(f, "The given secret key is invalid."),
+			Self::InvalidOfferId => write!(f, "The given offer id is invalid."),
 			Self::InvalidPaymentId => write!(f, "The given payment id is invalid."),
 			Self::InvalidPaymentHash => write!(f, "The given payment hash is invalid."),
 			Self::InvalidPaymentPreimage => write!(f, "The given payment preimage is invalid."),
 			Self::InvalidPaymentSecret => write!(f, "The given payment secret is invalid."),
 			Self::InvalidAmount => write!(f, "The given amount is invalid."),
 			Self::InvalidInvoice => write!(f, "The given invoice is invalid."),
+			Self::InvalidOffer => write!(f, "The given offer is invalid."),
+			Self::InvalidRefund => write!(f, "The given refund is invalid."),
 			Self::InvalidChannelId => write!(f, "The given channel ID is invalid."),
 			Self::InvalidNetwork => write!(f, "The given network is invalid."),
 			Self::DuplicatePayment => {
@@ -116,6 +136,9 @@ impl fmt::Display for Error {
 			Self::InsufficientFunds => {
 				write!(f, "The available funds are insufficient to complete the given operation.")
 			},
+			Self::UnsupportedCurrency => {
+				write!(f, "The provided offer was denonminated in an unsupported currency.")
+			},
 			Self::LiquiditySourceUnavailable => {
 				write!(f, "The given operation failed due to the required liquidity source being unavailable.")
 			},