Function amount_sat_sub

common/amount.c:288–297

}

WARN_UNUSED_RESULT bool amount_sat_sub(struct amount_sat *val,
				       struct amount_sat a,
				       struct amount_sat b)
{
	if (a.satoshis < b.satoshis)
		return false;

	val->satoshis = a.satoshis - b.satoshis;
	return true;
}

WARN_UNUSED_RESULT bool amount_msat_sub_sat(struct amount_msat *val,
					    struct amount_msat a,