Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Equip only to a Warrior monster. It gains 700 ATK. After damage calculation, if the equipped monster battled a Dragon monster: Destroy that monster at the end of that Battle Phase.
--竜殺しの剣
--Sword of Dragon's Soul
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c,nil,aux.FilterBoolFunction(Card.IsRace,RACE_WARRIOR))
	--atkup
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_EQUIP)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetValue(700)
	c:RegisterEffect(e2)
	--destroy
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,0))
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e4:SetCategory(CATEGORY_DESTROY)
	e4:SetCode(EVENT_BATTLED)
	e4:SetRange(LOCATION_SZONE)
	e4:SetCondition(s.descon)
	e4:SetTarget(s.destg)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler():GetEquipTarget()
	local bc=c:GetBattleTarget()
	return bc and bc:IsRace(RACE_DRAGON)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local bc=e:GetHandler():GetEquipTarget():GetBattleTarget()
	Duel.SetTargetCard(bc)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,bc,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local bc=Duel.GetFirstTarget()
	if bc:IsRelateToEffect(e) then
		Duel.Destroy(bc,REASON_EFFECT)
	end
end