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按照美元区出价, 最大化steam卡牌卖出的利润
// ==UserScript==
// @name steam卡牌利润最大化
// @namespace https://github.com/lzghzr/GreasemonkeyJS
// @version 0.2.26
// @author lzghzr
// @description 按照美元区出价, 最大化steam卡牌卖出的利润
// @supportURL https://github.com/lzghzr/GreasemonkeyJS/issues
// @match http://steamcommunity.com/*/inventory/
// @match https://steamcommunity.com/*/inventory/
// @connect finance.pae.baidu.com
// @license MIT
// @grant GM_addStyle
// @grant GM_xmlhttpRequest
// @run-at document-end
// @noframes
// ==/UserScript==
const W = typeof unsafeWindow === 'undefined' ? window : unsafeWindow;
let gInputUSDCNY;
let gDivLastChecked;
let gInputAddCent;
let gSpanQuickSurplus;
let gSpanQuickError;
const gDivItems = [];
const gQuickSells = [];
addCSS();
addUI();
doLoop();
const elmDivActiveInventoryPage = document.querySelector('#inventories');
const observer = new MutationObserver(mutations => {
mutations.forEach(mutation => {
const rt = mutation.target;
if (rt.classList.contains('inventory_page')) {
const itemHolders = rt.querySelectorAll('.itemHolder');
itemHolders.forEach(itemHolder => {
const rgItem = itemHolder.rgItem;
if (rgItem !== undefined && !gDivItems.includes(rgItem.element) && rgItem.description.marketable === 1) {
gDivItems.push(rgItem.element);
const elmDiv = document.createElement('div');
elmDiv.classList.add('scmpItemCheckbox');
rgItem.element.appendChild(elmDiv);
}
});
}
});
});
observer.observe(elmDivActiveInventoryPage, { childList: true, subtree: true, attributes: true, attributeFilter: ['style'] });
async function addUI() {
const elmDivInventoryPageRight = document.querySelector('.inventory_page_right');
const elmDiv = document.createElement('div');
elmDiv.innerHTML = `
<div class="scmpQuickSell">快速以此价格出售:
<span class="btn_green_white_innerfade" id="scmpQuickSellItem">null</span>
<span>
加价: $
<input class="filter_search_box" id="scmpAddCent" type="number" value="0.00" step="0.01">
</span>
</div>
<div>
汇率:
<input class="filter_search_box" id="scmpExch" type="number" value="6.50">
<span class="btn_green_white_innerfade" id="scmpQuickAllItem">快速出售</span>
剩余:
<span id="scmpQuickSurplus">0</span>
失败:
<span id="scmpQuickError">0</span>
</div>`;
elmDivInventoryPageRight.appendChild(elmDiv);
const elmSpanQuickSellItem = elmDiv.querySelector('#scmpQuickSellItem');
const elmSpanQuickAllItem = document.querySelector('#scmpQuickAllItem');
gInputAddCent = elmDiv.querySelector('#scmpAddCent');
gSpanQuickSurplus = elmDiv.querySelector('#scmpQuickSurplus');
gSpanQuickError = elmDiv.querySelector('#scmpQuickError');
document.addEventListener('click', async (ev) => {
const evt = ev.target;
if (evt.className === 'inventory_item_link') {
elmSpanQuickSellItem.innerText = 'null';
const rgItem = evt.parentNode.rgItem;
const itemInfo = new ItemInfo(rgItem);
const priceOverview = await getPriceOverview(itemInfo);
if (priceOverview !== 'error')
elmSpanQuickSellItem.innerText = priceOverview.formatPrice;
}
else if (evt.classList.contains('scmpItemCheckbox')) {
const rgItem = evt.parentNode.rgItem;
const select = evt.classList.contains('scmpItemSelect');
const changeClass = (elmDiv) => {
const elmCheckbox = elmDiv.querySelector('.scmpItemCheckbox');
if (elmDiv.parentNode.style.display !== 'none' && !elmCheckbox.classList.contains('scmpItemSuccess')) {
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.toggle('scmpItemSelect', !select);
}
};
if (gDivLastChecked !== undefined && ev.shiftKey) {
const start = gDivItems.indexOf(gDivLastChecked);
const end = gDivItems.indexOf(rgItem.element);
const someDivItems = gDivItems.slice(Math.min(start, end), Math.max(start, end) + 1);
for (const y of someDivItems)
changeClass(y);
}
else
changeClass(rgItem.element);
gDivLastChecked = rgItem.element;
}
});
elmSpanQuickSellItem.addEventListener('click', (ev) => {
const evt = ev.target;
const elmDivActiveInfo = document.querySelector('.activeInfo');
const rgItem = elmDivActiveInfo.rgItem;
const elmDivitemCheck = rgItem.element.querySelector('.scmpItemCheckbox');
if (!elmDivitemCheck.classList.contains('scmpItemSuccess') && evt.innerText !== 'null') {
const price = W.GetPriceValueAsInt(evt.innerText);
const itemInfo = new ItemInfo(rgItem, price);
quickSellItem(itemInfo);
}
});
elmSpanQuickAllItem.addEventListener('click', () => {
const elmDivItemInfos = document.querySelectorAll('.scmpItemSelect');
elmDivItemInfos.forEach(elmDivItemInfo => {
const rgItem = elmDivItemInfo.parentNode.rgItem;
const itemInfo = new ItemInfo(rgItem);
if (rgItem.description.marketable === 1)
gQuickSells.push(itemInfo);
});
});
gInputAddCent.addEventListener('input', () => {
const activeInfo = document.querySelector('.activeInfo > .inventory_item_link');
activeInfo.click();
});
gInputUSDCNY = elmDiv.querySelector('#scmpExch');
const baiduExch = await XHR({
GM: true,
method: 'GET',
url: 'https://finance.pae.baidu.com/vapi/v1/getquotation?group=huilv_minute&need_reverse_real=1&code=USDCNY',
responseType: 'json',
});
if (baiduExch?.body?.Result !== undefined && baiduExch.response.status === 200) {
baiduExch.body.Result.pankouinfos.list.forEach(list => {
if (list.ename === 'preClose')
gInputUSDCNY.value = list.value;
});
}
}
async function getPriceOverview(itemInfo) {
const priceoverview = await XHR({
method: 'GET',
url: `/market/priceoverview/?country=US¤cy=1&appid=${itemInfo.rgItem.description.appid}\
&market_hash_name=${encodeURIComponent(W.GetMarketHashName(itemInfo.rgItem.description))}`,
responseType: 'json'
});
const stop = () => itemInfo.status = 'error';
if (priceoverview !== undefined && priceoverview.response.status === 200
&& priceoverview.body.success && priceoverview.body.lowest_price) {
itemInfo.lowestPrice = priceoverview.body.lowest_price.replace('$', '');
return calculatePrice(itemInfo);
}
else {
const marketListings = await XHR({
method: 'GET',
url: `/market/listings/${itemInfo.rgItem.description.appid}\
/${encodeURIComponent(W.GetMarketHashName(itemInfo.rgItem.description))}`
});
if (marketListings === undefined || marketListings.response.status !== 200)
return stop();
const marketLoadOrderSpread = marketListings.body.match(/Market_LoadOrderSpread\( (\d+)/);
if (marketLoadOrderSpread === null)
return stop();
const itemordershistogram = await XHR({
method: 'GET',
url: `/market/itemordershistogram/?country=US&language=english¤cy=1&item_nameid=${marketLoadOrderSpread[1]}&two_factor=0`,
responseType: 'json'
});
if (itemordershistogram?.body?.sell_order_graph[0] === undefined || itemordershistogram.response.status !== 200
|| itemordershistogram.body.success !== 1)
return stop();
itemInfo.lowestPrice = ' ' + itemordershistogram.body.sell_order_graph[0][0];
return calculatePrice(itemInfo);
}
}
function calculatePrice(itemInfo) {
let price = W.GetPriceValueAsInt(itemInfo.lowestPrice);
const addCent = parseFloat(gInputAddCent.value) * 100;
const exchangeRate = parseFloat(gInputUSDCNY.value);
const publisherFee = itemInfo.rgItem.description.market_fee || W.g_rgWalletInfo.wallet_publisher_fee_percent_default;
const feeInfo = W.CalculateFeeAmount(price, publisherFee);
price = price - feeInfo.fees;
itemInfo.price = Math.floor((price + addCent) * exchangeRate);
itemInfo.formatPrice = W.v_currencyformat(itemInfo.price, W.GetCurrencyCode(W.g_rgWalletInfo.wallet_currency));
return itemInfo;
}
async function quickSellItem(itemInfo) {
itemInfo.status = 'run';
const sellitem = await XHR({
method: 'POST',
url: 'https://steamcommunity.com/market/sellitem/',
data: `sessionid=${W.g_sessionID}&appid=${itemInfo.rgItem.description.appid}\
&contextid=${itemInfo.rgItem.contextid}&assetid=${itemInfo.rgItem.assetid}&amount=1&price=${itemInfo.price}`,
responseType: 'json',
withCredentials: true
});
if (sellitem === undefined || sellitem.response.status !== 200 || !sellitem.body.success)
itemInfo.status = 'error';
else
itemInfo.status = 'success';
}
async function doLoop() {
const itemInfo = gQuickSells.shift();
const loop = () => {
setTimeout(() => {
doLoop();
}, 500);
};
if (itemInfo !== undefined) {
const priceOverview = await getPriceOverview(itemInfo);
if (priceOverview !== 'error') {
await quickSellItem(priceOverview);
doLoop();
}
else
loop();
}
else
loop();
}
function addCSS() {
GM_addStyle(`
.scmpItemSelect {
background: yellow;
}
.scmpItemRun {
background: blue;
}
.scmpItemSuccess {
background: green;
}
.scmpItemError {
background: red;
}
.scmpItemCheckbox {
position: absolute;
z-index: 100;
top: 0;
left: 0;
width: 20px;
height: 20px;
border: 2px solid yellow;
opacity: 0.7;
cursor: default;
}
.scmpItemCheckbox:hover {
opacity: 1;
}
#scmpExch {
width: 3.3em;
-moz-appearance: textfield;
}
#scmpExch::-webkit-inner-spin-button {
-webkit-appearance: none;
}
#scmpAddCent {
width: 3.9em;
}`);
}
function XHR(XHROptions) {
return new Promise(resolve => {
const onerror = (error) => {
console.error(error);
resolve(undefined);
};
if (XHROptions.GM) {
if (XHROptions.method === 'POST') {
if (XHROptions.headers === undefined)
XHROptions.headers = {};
if (XHROptions.headers['Content-Type'] === undefined)
XHROptions.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8';
}
XHROptions.timeout = 30 * 1000;
XHROptions.onload = res => resolve({ response: res, body: res.response });
XHROptions.onerror = onerror;
XHROptions.ontimeout = onerror;
GM_xmlhttpRequest(XHROptions);
}
else {
const xhr = new XMLHttpRequest();
xhr.open(XHROptions.method, XHROptions.url);
if (XHROptions.method === 'POST' && xhr.getResponseHeader('Content-Type') === null)
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=utf-8');
if (XHROptions.withCredentials)
xhr.withCredentials = true;
if (XHROptions.responseType !== undefined)
xhr.responseType = XHROptions.responseType;
xhr.timeout = 30 * 1000;
xhr.onload = ev => {
const res = ev.target;
resolve({ response: res, body: res.response });
};
xhr.onerror = onerror;
xhr.ontimeout = onerror;
xhr.send(XHROptions.data);
}
});
}
class ItemInfo {
constructor(rgItem, price) {
this.rgItem = rgItem;
if (price !== undefined)
this.price = price;
}
rgItem;
price;
formatPrice;
_status = '';
get status() {
return this._status;
}
set status(valve) {
this._status = valve;
const elmCheckbox = this.rgItem.element.querySelector('.scmpItemCheckbox');
if (elmCheckbox === null)
return;
switch (valve) {
case 'run':
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.remove('scmpItemSelect');
elmCheckbox.classList.add('scmpItemRun');
break;
case 'success':
gSpanQuickSurplus.innerText = gQuickSells.length.toString();
elmCheckbox.classList.remove('scmpItemError');
elmCheckbox.classList.remove('scmpItemRun');
elmCheckbox.classList.add('scmpItemSuccess');
break;
case 'error':
gSpanQuickSurplus.innerText = gQuickSells.length.toString();
gSpanQuickError.innerText = (parseInt(gSpanQuickError.innerText) + 1).toString();
elmCheckbox.classList.remove('scmpItemRun');
elmCheckbox.classList.add('scmpItemError');
elmCheckbox.classList.add('scmpItemSelect');
break;
default:
break;
}
}
lowestPrice;
}