-/**
- * Some information provided on receipt of payment depends on whether the payment received is a
- * spontaneous payment or a \"conventional\" lightning payment that's paying an invoice.
- */
-typedef enum LDKPaymentPurpose_Tag {
- /**
- * Information for receiving a payment that we generated an invoice for.
- */
- LDKPaymentPurpose_InvoicePayment,
- /**
- * Because this is a spontaneous payment, the payer generated their own preimage rather than us
- * (the payee) providing a preimage.
- */
- LDKPaymentPurpose_SpontaneousPayment,
- /**
- * Must be last for serialization purposes
- */
- LDKPaymentPurpose_Sentinel,
-} LDKPaymentPurpose_Tag;
-
-typedef struct LDKPaymentPurpose_LDKInvoicePayment_Body {
- /**
- * The preimage to the payment_hash, if the payment hash (and secret) were fetched via
- * [`ChannelManager::create_inbound_payment`]. If provided, this can be handed directly to
- * [`ChannelManager::claim_funds`].
- *
- * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
- * [`ChannelManager::claim_funds`]: crate::ln::channelmanager::ChannelManager::claim_funds
- *
- * Note that this (or a relevant inner pointer) may be NULL or all-0s to represent None
- */
- struct LDKThirtyTwoBytes payment_preimage;
- /**
- * The \"payment secret\". This authenticates the sender to the recipient, preventing a
- * number of deanonymization attacks during the routing process.
- * It is provided here for your reference, however its accuracy is enforced directly by
- * [`ChannelManager`] using the values you previously provided to
- * [`ChannelManager::create_inbound_payment`] or
- * [`ChannelManager::create_inbound_payment_for_hash`].
- *
- * [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
- * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
- * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
- */
- struct LDKThirtyTwoBytes payment_secret;
- /**
- * This is the `user_payment_id` which was provided to
- * [`ChannelManager::create_inbound_payment_for_hash`] or
- * [`ChannelManager::create_inbound_payment`]. It has no meaning inside of LDK and is
- * simply copied here. It may be used to correlate PaymentReceived events with invoice
- * metadata stored elsewhere.
- *
- * [`ChannelManager::create_inbound_payment`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment
- * [`ChannelManager::create_inbound_payment_for_hash`]: crate::ln::channelmanager::ChannelManager::create_inbound_payment_for_hash
- */
- uint64_t user_payment_id;
-} LDKPaymentPurpose_LDKInvoicePayment_Body;
-
-typedef struct MUST_USE_STRUCT LDKPaymentPurpose {
- LDKPaymentPurpose_Tag tag;
- union {
- LDKPaymentPurpose_LDKInvoicePayment_Body invoice_payment;
- struct {
- struct LDKThirtyTwoBytes spontaneous_payment;
- };
- };
-} LDKPaymentPurpose;
-