#ifndef LIGHTNING_DAEMON_FEECHANGE_H
#define LIGHTNING_DAEMON_FEECHANGE_H
#include "config.h"
#include "feechange_state.h"
#include "htlc.h"

struct feechange {
	/* What's the status */
	enum feechange_state state; 
	/* The rate. */
	u64 fee_rate;
};

static inline enum htlc_side feechange_side(enum feechange_state state)
{
	if (state <= SENT_FEECHANGE_ACK_REVOCATION) {
		return LOCAL;
	} else {
		assert(state < FEECHANGE_STATE_INVALID);
		return REMOTE;
	}
}

bool feechange_changestate(struct peer *peer,
			   struct feechange *feechange,
			   enum feechange_state oldstate,
			   enum feechange_state newstate,
			   bool db_commit);

struct feechange *new_feechange(struct peer *peer,
				u64 fee_rate,
				enum feechange_state state);

const char *feechange_state_name(enum feechange_state s);
enum feechange_state feechange_state_from_name(const char *name);

/* HTLC-add-style bitflags for each feechange state */
int feechange_state_flags(enum feechange_state state);

static inline bool feechange_has(const struct feechange *f, int flag)
{
	return feechange_state_flags(f->state) & flag;
}

static inline bool feechange_is_dead(const struct feechange *feechange)
{
	return feechange->state == SENT_FEECHANGE_ACK_REVOCATION
		|| feechange->state == RCVD_FEECHANGE_ACK_REVOCATION;
}
#endif /* LIGHTNING_DAEMON_FEECHANGE_H */