Function hsm_req

channeld/channeld.c:208–221

}

const u8 *hsm_req(const tal_t *ctx, const u8 *req TAKES)
{
	u8 *msg;

	/* hsmd goes away at shutdown.  That's OK. */
	if (!wire_sync_write(HSM_FD, req))
		exit(0);

	msg = wire_sync_read(ctx, HSM_FD);
	if (!msg)
		exit(0);

	return msg;
}

/* We're in STFU mode now: must not send messages. */
static bool is_stfu_active(const struct peer *peer)