Function amount_msat_deduct

common/amount.c:285–289

}

WARN_UNUSED_RESULT bool amount_msat_deduct(struct amount_msat *a,
					       struct amount_msat b)
{
	return amount_msat_sub(a, *a, b);
}

WARN_UNUSED_RESULT bool amount_msat_deduct_sat(struct amount_msat *a,
					       struct amount_sat b)