【安全加密】摊位转让过户：过户费与摊位洗牌防范的设计

local TRANSFER_RATE = 10
local function transferStall(actor, buyerName, stallId)
    local player = class(actor)
    local price = getStallValue(stallId)
    local fee = math.floor(price * TRANSFER_RATE / 100)
    local buyer = getplayerbyname(buyerName)
    if buyer == nil or not isplayer(buyer) then
        sendmsg(actor, 0, "受让方不在线")
        return
    end
    if class(buyer):checkitemw("金币", price + fee) == false then
        sendmsg(buyer, 0, "需准备摊位款" .. price .. "加过户费" .. fee)
        return
    end
    class(buyer):takeitem("金币", price + fee)
    giveitem(actor, "金币", price)
    setplayvar(buyer, "HUMAN", "STALL_ZONE", getplayvar(actor, 2, "STALL_ZONE"), 1)
    setplayvar(actor, "HUMAN", "STALL_LOCK", os.time() + 604800, 1)
    sendmsg(actor, 0, "过户完成，7天内不可再竞拍同区域")
    sendmsg(buyer, 0, "摊位过户完成，租期重新计算")
end

local function checkStallLock(actor, zone)
    local player = class(actor)
    local lockUntil = tonumber(getplayvar(actor, 2, "STALL_LOCK") or "0")
    if lockUntil > os.time() then
        sendmsg(actor, 0, "转让冷却中，剩余" .. math.ceil((lockUntil - os.time()) / 86400) .. "天")
        return false
    end
    return true
end