core-lightning/common/htlc_state.h

#ifndef LIGHTNING_COMMON_HTLC_STATE_H
#define LIGHTNING_COMMON_HTLC_STATE_H
#include "config.h"

enum htlc_state {
	/* When we add a new htlc, it goes in this order. */
	SENT_ADD_HTLC,
	SENT_ADD_COMMIT,
	RCVD_ADD_REVOCATION,
	RCVD_ADD_ACK_COMMIT,
	SENT_ADD_ACK_REVOCATION,

	/* When they remove an htlc, it goes from SENT_ADD_ACK_REVOCATION: */
	RCVD_REMOVE_HTLC,
	RCVD_REMOVE_COMMIT,
	SENT_REMOVE_REVOCATION,
	SENT_REMOVE_ACK_COMMIT,
	RCVD_REMOVE_ACK_REVOCATION,

	/* When they add a new htlc, it goes in this order. */
	RCVD_ADD_HTLC,
	RCVD_ADD_COMMIT,
	SENT_ADD_REVOCATION,
	SENT_ADD_ACK_COMMIT,
	RCVD_ADD_ACK_REVOCATION,

	/* When we remove an htlc, it goes from RCVD_ADD_ACK_REVOCATION: */
	SENT_REMOVE_HTLC,
	SENT_REMOVE_COMMIT,
	RCVD_REMOVE_REVOCATION,
	RCVD_REMOVE_ACK_COMMIT,
	SENT_REMOVE_ACK_REVOCATION,

	HTLC_STATE_INVALID
};
#endif /* LIGHTNING_COMMON_HTLC_STATE_H */