Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
During your Standby Phase: You can reveal this card in your hand, and it will remain revealed until the end of this turn; gain 500 LP.
--黄金の天道虫
--Golden Ladybug
local s,id=GetID()
function s.initial_effect(c)
	--recover
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetCategory(CATEGORY_RECOVER)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e1:SetRange(LOCATION_HAND)
	e1:SetCountLimit(1)
	e1:SetCondition(s.reccon)
	e1:SetCost(s.reccost)
	e1:SetTarget(s.rectg)
	e1:SetOperation(s.recop)
	c:RegisterEffect(e1)
end
function s.reccon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp)
end
function s.reccost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return not e:GetHandler():IsPublic() end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_PUBLIC)
	e1:SetReset(RESETS_STANDARD_PHASE_END)
	e:GetHandler():RegisterEffect(e1)
end
function s.rectg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(500)
	Duel.SetOperationInfo(0,CATEGORY_RECOVER,nil,0,tp,500)
end
function s.recop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Recover(p,d,REASON_EFFECT)
end