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code.user.js
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code.user.js
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// ==UserScript==
// @name Steam Economy Enhancer
// @icon data:image/svg+xml,%0A%3Csvg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" clip-rule="evenodd" viewBox="0 0 267 267"%3E%3Ccircle cx="133.3" cy="133.3" r="133.3" fill="%2326566c"/%3E%3Cpath fill="%23ebebeb" fill-rule="nonzero" d="m50 133 83-83 84 83-84 84-83-84Zm83 62 62-61-62-62v123Z"/%3E%3C/svg%3E
// @namespace https://github.com/Nuklon
// @author Nuklon
// @license MIT
// @version 7.1.1
// @description 增强 Steam 库存和 Steam 市场功能
// @match *://steamcommunity.com/id/*/inventory*
// @match *://steamcommunity.com/profiles/*/inventory*
// @match *://steamcommunity.com/market*
// @match *://steamcommunity.com/tradeoffer*
// @require https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.13.3/jquery-ui.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/async/2.6.0/async.js
// @require https://cdnjs.cloudflare.com/ajax/libs/localforage/1.7.1/localforage.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/luxon/3.4.4/luxon.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/list.js/1.5.0/list.js
// @require https://raw.githubusercontent.com/kapetan/jquery-observe/ca67b735bb3ae8d678d1843384ebbe7c02466c61/jquery-observe.js
// @require https://raw.githubusercontent.com/rmariuzzo/checkboxes.js/91bec667e9172ceb063df1ecb7505e8ed0bae9ba/src/jquery.checkboxes.js
// @grant unsafeWindow
// @grant GM_addStyle
// @homepageURL https://keylol.com/t311996-1-1
// @homepage https://keylol.com/t311996-1-1
// @supportURL https://keylol.com/t311996-1-1
// @downloadURL https://raw.githubusercontent.com/Sneer-Cat/Steam-Economy-Enhancer/master/code.user.js
// @updateURL https://raw.githubusercontent.com/Sneer-Cat/Steam-Economy-Enhancer/master/code.user.js
// ==/UserScript==
/* disable some eslint rules until the code is cleaned up */
/* global unsafeWindow, luxon, jQuery, async, List, localforage */
/* eslint no-undef: off */
// jQuery is already added by Steam, force no conflict mode.
(function($, async) {
$.noConflict(true);
const PAGE_MARKET = 0;
const PAGE_MARKET_LISTING = 1;
const PAGE_TRADEOFFER = 2;
const PAGE_INVENTORY = 3;
const COLOR_ERROR = '#8A4243';
const COLOR_SUCCESS = '#407736';
const COLOR_PENDING = '#908F44';
const COLOR_PRICE_FAIR = '#496424';
const COLOR_PRICE_CHEAP = '#837433';
const COLOR_PRICE_EXPENSIVE = '#813030';
const COLOR_PRICE_NOT_CHECKED = '#26566c';
const ERROR_SUCCESS = null;
const ERROR_FAILED = 1;
const ERROR_DATA = 2;
const marketLists = [];
let totalNumberOfProcessedQueueItems = 0;
let totalNumberOfQueuedItems = 0;
let totalPriceWithFeesOnMarket = 0;
let totalPriceWithoutFeesOnMarket = 0;
let totalScrap = 0;
const spinnerBlock =
'<div class="spinner"><div class="rect1"></div> <div class="rect2"></div> <div class="rect3"></div> <div class="rect4"></div> <div class="rect5"></div> </div>';
let numberOfFailedRequests = 0;
const enableConsoleLog = false;
const country = typeof unsafeWindow.g_strCountryCode !== 'undefined' ? unsafeWindow.g_strCountryCode : undefined;
const isLoggedIn = typeof unsafeWindow.g_rgWalletInfo !== 'undefined' && unsafeWindow.g_rgWalletInfo != null || typeof unsafeWindow.g_bLoggedIn !== 'undefined' && unsafeWindow.g_bLoggedIn;
const currentPage = window.location.href.includes('.com/market')
? window.location.href.includes('market/listings')
? PAGE_MARKET_LISTING
: PAGE_MARKET
: window.location.href.includes('.com/tradeoffer')
? PAGE_TRADEOFFER
: PAGE_INVENTORY;
const market = new SteamMarket(
unsafeWindow.g_rgAppContextData,
getInventoryUrl(),
isLoggedIn ? unsafeWindow.g_rgWalletInfo : undefined
);
const currencyId =
isLoggedIn &&
market != null &&
market.walletInfo != null &&
market.walletInfo.wallet_currency != null
? market.walletInfo.wallet_currency
: 3;
const currencyCountry =
isLoggedIn &&
market != null &&
market.walletInfo != null &&
market.walletInfo.wallet_country != null
? market.walletInfo.wallet_country
: 'US';
const currencyCode = unsafeWindow.GetCurrencyCode(currencyId);
function SteamMarket(appContext, inventoryUrl, walletInfo) {
this.appContext = appContext;
this.inventoryUrl = inventoryUrl;
this.walletInfo = walletInfo;
this.inventoryUrlBase = inventoryUrl.replace('/inventory/json', '');
if (!this.inventoryUrlBase.endsWith('/')) {
this.inventoryUrlBase += '/';
}
}
function request(url, options, callback) {
let delayBetweenRequests = 300;
let requestStorageHash = 'see:request:last';
if (url.startsWith('https://steamcommunity.com/market/')) {
requestStorageHash = `${requestStorageHash}:steamcommunity.com/market`;
delayBetweenRequests = 1000;
}
const lastRequest = JSON.parse(getLocalStorageItem(requestStorageHash) || JSON.stringify({ time: new Date(0), limited: false }));
const timeSinceLastRequest = Date.now() - new Date(lastRequest.time).getTime();
delayBetweenRequests = lastRequest.limited ? 2.5 * 60 * 1000 : delayBetweenRequests;
if (timeSinceLastRequest < delayBetweenRequests) {
setTimeout(() => request(...arguments), delayBetweenRequests - timeSinceLastRequest);
return;
}
lastRequest.time = new Date();
lastRequest.limited = false;
setLocalStorageItem(requestStorageHash, JSON.stringify(lastRequest));
$.ajax({
url: url,
type: options.method,
data: options.data,
success: function(data, statusMessage, xhr) {
if (xhr.status === 429) {
lastRequest.limited = true;
setLocalStorageItem(requestStorageHash, JSON.stringify(lastRequest));
}
if (xhr.status >= 400) {
const error = new Error('HTTP 错误');
error.statusCode = xhr.status;
callback(error, data);
} else {
callback(null, data)
}
},
error: (xhr) => {
if (xhr.status === 429) {
lastRequest.limited = true;
setLocalStorageItem(requestStorageHash, JSON.stringify(lastRequest));
}
const error = new Error('请求失败');
error.statusCode = xhr.status;
callback(error);
},
dataType: options.responseType
});
};
function getInventoryUrl() {
if (unsafeWindow.g_strInventoryLoadURL) {
return unsafeWindow.g_strInventoryLoadURL;
}
let profileUrl = `${window.location.origin}/my/`;
if (unsafeWindow.g_strProfileURL) {
profileUrl = unsafeWindow.g_strProfileURL;
} else {
const avatar = document.querySelector('#global_actions a.user_avatar');
if (avatar) {
profileUrl = avatar.href;
}
}
return `${profileUrl.replace(/\/$/, '')}/inventory/json/`;
}
//#region Settings
const SETTING_MIN_NORMAL_PRICE = 'SETTING_MIN_NORMAL_PRICE';
const SETTING_MAX_NORMAL_PRICE = 'SETTING_MAX_NORMAL_PRICE';
const SETTING_MIN_FOIL_PRICE = 'SETTING_MIN_FOIL_PRICE';
const SETTING_MAX_FOIL_PRICE = 'SETTING_MAX_FOIL_PRICE';
const SETTING_MIN_MISC_PRICE = 'SETTING_MIN_MISC_PRICE';
const SETTING_MAX_MISC_PRICE = 'SETTING_MAX_MISC_PRICE';
const SETTING_PRICE_OFFSET = 'SETTING_PRICE_OFFSET';
const SETTING_PRICE_MIN_CHECK_PRICE = 'SETTING_PRICE_MIN_CHECK_PRICE';
const SETTING_PRICE_ALGORITHM = 'SETTING_PRICE_ALGORITHM';
const SETTING_PRICE_IGNORE_LOWEST_Q = 'SETTING_PRICE_IGNORE_LOWEST_Q';
const SETTING_PRICE_HISTORY_HOURS = 'SETTING_PRICE_HISTORY_HOURS';
const SETTING_INVENTORY_PRICE_LABELS = 'SETTING_INVENTORY_PRICE_LABELS';
const SETTING_TRADEOFFER_PRICE_LABELS = 'SETTING_TRADEOFFER_PRICE_LABELS';
const SETTING_QUICK_SELL_BUTTONS = 'SETTING_QUICK_SELL_BUTTONS';
const SETTING_LAST_CACHE = 'SETTING_LAST_CACHE';
const SETTING_RELIST_AUTOMATICALLY = 'SETTING_RELIST_AUTOMATICALLY';
const SETTING_MARKET_PAGE_COUNT = 'SETTING_MARKET_PAGE_COUNT';
const settingDefaults = {
SETTING_MIN_NORMAL_PRICE: 0.05,
SETTING_MAX_NORMAL_PRICE: 2.50,
SETTING_MIN_FOIL_PRICE: 0.15,
SETTING_MAX_FOIL_PRICE: 10,
SETTING_MIN_MISC_PRICE: 0.05,
SETTING_MAX_MISC_PRICE: 10,
SETTING_PRICE_OFFSET: 0.00,
SETTING_PRICE_MIN_CHECK_PRICE: 0.00,
SETTING_PRICE_ALGORITHM: 1,
SETTING_PRICE_IGNORE_LOWEST_Q: 1,
SETTING_PRICE_HISTORY_HOURS: 12,
SETTING_INVENTORY_PRICE_LABELS: 1,
SETTING_TRADEOFFER_PRICE_LABELS: 1,
SETTING_QUICK_SELL_BUTTONS: 1,
SETTING_LAST_CACHE: 0,
SETTING_RELIST_AUTOMATICALLY: 0,
SETTING_MARKET_PAGE_COUNT: 100
};
function getSettingWithDefault(name) {
return getLocalStorageItem(name) || (name in settingDefaults ? settingDefaults[name] : null);
}
function setSetting(name, value) {
setLocalStorageItem(name, value);
}
//#endregion
//#region Storage
const storagePersistent = localforage.createInstance({
name: 'see_persistent'
});
let storageSession;
const currentUrl = new URL(window.location.href);
const noCache = currentUrl.searchParams.get('no-cache') != null;
// This does not work the same as the 'normal' session storage because opening a new browser session/tab will clear the cache.
// For this reason, a rolling cache is used.
if (getSessionStorageItem('SESSION') == null || noCache) {
let lastCache = getSettingWithDefault(SETTING_LAST_CACHE);
if (lastCache > 5) {
lastCache = 0;
}
setSetting(SETTING_LAST_CACHE, lastCache + 1);
storageSession = localforage.createInstance({
name: `see_session_${lastCache}`
});
storageSession.clear(); // Clear any previous data.
setSessionStorageItem('SESSION', lastCache);
} else {
storageSession = localforage.createInstance({
name: `see_session_${getSessionStorageItem('SESSION')}`
});
}
function getLocalStorageItem(name) {
try {
return localStorage.getItem(name);
} catch (e) {
logConsole(`无法获取 localStorage 内容，名称：${name}，原因：${e}。`);
return null;
}
}
function setLocalStorageItem(name, value) {
try {
localStorage.setItem(name, value);
return true;
} catch (e) {
logConsole(`无法设置 localStorage 内容，名称：${name}，原因：${e}。`)
return false;
}
}
function getSessionStorageItem(name) {
try {
return sessionStorage.getItem(name);
} catch (e) {
logConsole(`无法获取 sessionStorage 内容，名称：${name}，原因：${e}。`);
return null;
}
}
function setSessionStorageItem(name, value) {
try {
sessionStorage.setItem(name, value);
return true;
} catch (e) {
logConsole(`无法设置 sessionStorage 内容，名称：${name}，原因：${e}。`)
return false;
}
}
//#endregion
//#region Price helpers
function formatPrice(valueInCents) {
return unsafeWindow.v_currencyformat(valueInCents, currencyCode, currencyCountry);
}
function getPriceInformationFromItem(item) {
const isTradingCard = getIsTradingCard(item);
const isFoilTradingCard = getIsFoilTradingCard(item);
return getPriceInformation(isTradingCard, isFoilTradingCard);
}
function getPriceInformation(isTradingCard, isFoilTradingCard) {
let maxPrice = 0;
let minPrice = 0;
if (!isTradingCard) {
maxPrice = getSettingWithDefault(SETTING_MAX_MISC_PRICE);
minPrice = getSettingWithDefault(SETTING_MIN_MISC_PRICE);
} else {
maxPrice = isFoilTradingCard
? getSettingWithDefault(SETTING_MAX_FOIL_PRICE)
: getSettingWithDefault(SETTING_MAX_NORMAL_PRICE);
minPrice = isFoilTradingCard
? getSettingWithDefault(SETTING_MIN_FOIL_PRICE)
: getSettingWithDefault(SETTING_MIN_NORMAL_PRICE);
}
maxPrice = maxPrice * 100.0;
minPrice = minPrice * 100.0;
const maxPriceBeforeFees = market.getPriceBeforeFees(maxPrice);
const minPriceBeforeFees = market.getPriceBeforeFees(minPrice);
return {
maxPrice,
minPrice,
maxPriceBeforeFees,
minPriceBeforeFees
};
}
// Calculates the average history price, before the fee.
function calculateAverageHistoryPriceBeforeFees(history) {
let highest = 0;
let total = 0;
if (history != null) {
// Highest average price in the last xx hours.
const timeAgo = Date.now() - getSettingWithDefault(SETTING_PRICE_HISTORY_HOURS) * 60 * 60 * 1000;
history.forEach((historyItem) => {
const d = new Date(historyItem[0]);
if (d.getTime() > timeAgo) {
highest += historyItem[1] * historyItem[2];
total += historyItem[2];
}
});
}
if (total == 0) {
return 0;
}
highest = Math.floor(highest / total);
return market.getPriceBeforeFees(highest);
}
// Calculates the listing price, before the fee.
function calculateListingPriceBeforeFees(histogram) {
if (typeof histogram === 'undefined' ||
histogram == null ||
histogram.lowest_sell_order == null ||
histogram.sell_order_graph == null) {
return 0;
}
let listingPrice = market.getPriceBeforeFees(histogram.lowest_sell_order);
const shouldIgnoreLowestListingOnLowQuantity = getSettingWithDefault(SETTING_PRICE_IGNORE_LOWEST_Q) == 1;
if (shouldIgnoreLowestListingOnLowQuantity && histogram.sell_order_graph.length >= 2) {
const listingPrice2ndLowest = market.getPriceBeforeFees(histogram.sell_order_graph[1][0] * 100);
if (listingPrice2ndLowest > listingPrice) {
const numberOfListingsLowest = histogram.sell_order_graph[0][1];
const numberOfListings2ndLowest = histogram.sell_order_graph[1][1];
const percentageLower = 100 * (numberOfListingsLowest / numberOfListings2ndLowest);
// The percentage should change based on the quantity (for example, 1200 listings vs 5, or 1 vs 25).
if (numberOfListings2ndLowest >= 1000 && percentageLower <= 5) {
listingPrice = listingPrice2ndLowest;
} else if (numberOfListings2ndLowest < 1000 && percentageLower <= 10) {
listingPrice = listingPrice2ndLowest;
} else if (numberOfListings2ndLowest < 100 && percentageLower <= 15) {
listingPrice = listingPrice2ndLowest;
} else if (numberOfListings2ndLowest < 50 && percentageLower <= 20) {
listingPrice = listingPrice2ndLowest;
} else if (numberOfListings2ndLowest < 25 && percentageLower <= 25) {
listingPrice = listingPrice2ndLowest;
} else if (numberOfListings2ndLowest < 10 && percentageLower <= 30) {
listingPrice = listingPrice2ndLowest;
}
}
}
return listingPrice;
}
function calculateBuyOrderPriceBeforeFees(histogram) {
if (typeof histogram === 'undefined') {
return 0;
}
return market.getPriceBeforeFees(histogram.highest_buy_order);
}
// Calculate the sell price based on the history and listings.
// applyOffset specifies whether the price offset should be applied when the listings are used to determine the price.
function calculateSellPriceBeforeFees(history, histogram, applyOffset, minPriceBeforeFees, maxPriceBeforeFees) {
const historyPrice = calculateAverageHistoryPriceBeforeFees(history);
const listingPrice = calculateListingPriceBeforeFees(histogram);
const buyPrice = calculateBuyOrderPriceBeforeFees(histogram);
const shouldUseAverage = getSettingWithDefault(SETTING_PRICE_ALGORITHM) == 1;
const shouldUseBuyOrder = getSettingWithDefault(SETTING_PRICE_ALGORITHM) == 3;
// If the highest average price is lower than the first listing, return the offset + that listing.
// Otherwise, use the highest average price instead.
let calculatedPrice = 0;
if (shouldUseBuyOrder && buyPrice !== -2) {
calculatedPrice = buyPrice;
} else if (historyPrice < listingPrice || !shouldUseAverage) {
calculatedPrice = listingPrice;
} else {
calculatedPrice = historyPrice;
}
let changedToMax = false;
// List for the maximum price if there are no listings yet.
if (calculatedPrice == 0) {
calculatedPrice = maxPriceBeforeFees;
changedToMax = true;
}
// Apply the offset to the calculated price, but only if the price wasn't changed to the max (as otherwise it's impossible to list for this price).
if (!changedToMax && applyOffset) {
calculatedPrice = calculatedPrice + getSettingWithDefault(SETTING_PRICE_OFFSET) * 100;
}
// Keep our minimum and maximum in mind.
calculatedPrice = clamp(calculatedPrice, minPriceBeforeFees, maxPriceBeforeFees);
// In case there's a buy order higher than the calculated price.
if (typeof histogram !== 'undefined' && histogram != null && histogram.highest_buy_order != null) {
const buyOrderPrice = market.getPriceBeforeFees(histogram.highest_buy_order);
if (buyOrderPrice > calculatedPrice) {
calculatedPrice = buyOrderPrice;
}
}
return calculatedPrice;
}
//#endregion
//#region Integer helpers
function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function getNumberOfDigits(x) {
return (Math.log10((x ^ x >> 31) - (x >> 31)) | 0) + 1;
}
function padLeftZero(str, max) {
str = str.toString();
return str.length < max ? padLeftZero(`0${str}`, max) : str;
}
function replaceNonNumbers(str) {
return str.replace(/\D/g, '');
}
//#endregion
//#region Steam Market
// Sell an item with a price in cents.
// Price is before fees.
SteamMarket.prototype.sellItem = function(item, price, callback /*err, data*/) {
const url = `${window.location.origin}/market/sellitem/`;
const options = {
method: 'POST',
data: {
sessionid: readCookie('sessionid'),
appid: item.appid,
contextid: item.contextid,
assetid: item.assetid || item.id,
amount: 1,
price: price
},
responseType: 'json'
};
request(url, options, callback);
};
// Removes an item.
// Item is the unique item id.
SteamMarket.prototype.removeListing = function(item, isBuyOrder, callback /*err, data*/) {
const url = isBuyOrder
? `${window.location.origin}/market/cancelbuyorder/`
: `${window.location.origin}/market/removelisting/${item}`;
const options = {
method: 'POST',
data: {
sessionid: readCookie('sessionid'),
...(isBuyOrder ? { buy_orderid: item } : {})
},
responseType: 'json'
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED);
return;
}
callback(ERROR_SUCCESS, data);
}
);
};
// Get the price history for an item.
//
// PriceHistory is an array of prices in the form [data, price, number sold].
// Example: [["Fri, 19 Jul 2013 01:00:00 +0000",7.30050206184,362]]
// Prices are ordered by oldest to most recent.
// Price is inclusive of fees.
SteamMarket.prototype.getPriceHistory = function(item, cache, callback) {
const shouldUseAverage = getSettingWithDefault(SETTING_PRICE_ALGORITHM) == 1;
if (!shouldUseAverage) {
// The price history is only used by the "average price" calculation
return callback(ERROR_SUCCESS, null, true);
}
try {
const market_name = getMarketHashName(item);
if (market_name == null) {
callback(ERROR_FAILED);
return;
}
const appid = item.appid;
if (cache) {
const storage_hash = `pricehistory_${appid}+${market_name}`;
storageSession.getItem(storage_hash).
then((value) => {
if (value != null) {
callback(ERROR_SUCCESS, value, true);
} else {
market.getCurrentPriceHistory(appid, market_name, callback);
}
}).
catch(() => {
market.getCurrentPriceHistory(appid, market_name, callback);
});
} else {
market.getCurrentPriceHistory(appid, market_name, callback);
}
} catch {
return callback(ERROR_FAILED);
}
};
SteamMarket.prototype.getGooValue = function(item, callback) {
try {
let appid = item.market_fee_app;
for (const action of item.owner_actions) {
if (!action.link || !action.link.startsWith('javascript:GetGooValue')) {
continue
}
let item_data = action.link.split(',');
let appid = item_data[2].trim();
let item_type = item_data[3].trim();
let border_color = item_data[4].split(' ')[0].trim();
const url = `${window.location.origin}/auction/ajaxgetgoovalueforitemtype`;
const options = {
method: 'GET',
data: {
appid: appid,
item_type: item_type,
border_color: border_color
},
responseType: 'json'
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED, data);
return;
}
callback(ERROR_SUCCESS, data);
}
);
}
} catch (e) {
return callback(ERROR_FAILED);
}
//http://steamcommunity.com/auction/ajaxgetgoovalueforitemtype/?appid=582980&item_type=18&border_color=0
// OR
//http://steamcommunity.com/my/ajaxgetgoovalue/?sessionid=xyz&appid=535690&assetid=4830605461&contextid=6
//sessionid=xyz
//appid = 535690
//assetid = 4830605461
//contextid = 6
};
// Grinds the item into gems.
SteamMarket.prototype.grindIntoGoo = function(item, callback) {
try {
const url = `${this.inventoryUrlBase}ajaxgrindintogoo/`;
const options = {
method: 'POST',
data: {
sessionid: readCookie('sessionid'),
appid: item.market_fee_app,
assetid: item.assetid,
contextid: item.contextid,
goo_value_expected: item.goo_value_expected
},
responseType: 'json'
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED, data);
return;
}
callback(ERROR_SUCCESS, data);
}
);
} catch {
return callback(ERROR_FAILED);
}
//sessionid = xyz
//appid = 535690
//assetid = 4830605461
//contextid = 6
//goo_value_expected = 10
//http://steamcommunity.com/my/ajaxgrindintogoo/
};
// Unpacks the booster pack.
SteamMarket.prototype.unpackBoosterPack = function(item, callback) {
try {
const url = `${this.inventoryUrlBase}ajaxunpackbooster/`;
const options = {
method: 'POST',
data: {
sessionid: readCookie('sessionid'),
appid: item.market_fee_app,
communityitemid: item.assetid
},
responseType: 'json'
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED, data);
return;
}
callback(ERROR_SUCCESS, data);
}
);
} catch {
return callback(ERROR_FAILED);
}
//sessionid = xyz
//appid = 535690
//communityitemid = 4830605461
//http://steamcommunity.com/my/ajaxunpackbooster/
};
// Get the current price history for an item.
SteamMarket.prototype.getCurrentPriceHistory = function(appid, market_name, callback) {
const url = `${window.location.origin}/market/pricehistory/`;
const options = {
method: 'GET',
data: {
appid: appid,
market_hash_name: market_name
},
responseType: 'json'
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED);
return;
}
if (data && (!data.success || !data.prices)) {
callback(ERROR_DATA);
return;
}
// Multiply prices so they're in pennies.
for (let i = 0; i < data.prices.length; i++) {
data.prices[i][1] *= 100;
data.prices[i][2] = parseInt(data.prices[i][2]);
}
// Store the price history in the session storage.
const storage_hash = `pricehistory_${appid}+${market_name}`;
storageSession.setItem(storage_hash, data.prices);
callback(ERROR_SUCCESS, data.prices, false);
}
);
};
// Get the item name id from a market item.
//
// This id never changes so we can store this in the persistent storage.
SteamMarket.prototype.getMarketItemNameId = function(item, callback) {
try {
const market_name = getMarketHashName(item);
if (market_name == null) {
callback(ERROR_FAILED);
return;
}
const appid = item.appid;
const storage_hash = `itemnameid_${appid}+${market_name}`;
storagePersistent.getItem(storage_hash).
then((value) => {
if (value != null) {
callback(ERROR_SUCCESS, value);
} else {
return market.getCurrentMarketItemNameId(appid, market_name, callback);
}
}).
catch(() => {
return market.getCurrentMarketItemNameId(appid, market_name, callback);
});
} catch {
return callback(ERROR_FAILED);
}
};
// Get the item name id from a market item.
SteamMarket.prototype.getCurrentMarketItemNameId = function(appid, market_name, callback) {
const url = `${window.location.origin}/market/listings/${appid}/${escapeURI(market_name)}`;
const options = { method: 'GET' };
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED);
return;
}
const matches = (/Market_LoadOrderSpread\( (\d+) \);/).exec(data || '');
if (matches == null) {
callback(ERROR_DATA);
return;
}
const item_nameid = matches[1];
// Store the item name id in the persistent storage.
const storage_hash = `itemnameid_${appid}+${market_name}`;
storagePersistent.setItem(storage_hash, item_nameid);
callback(ERROR_SUCCESS, item_nameid);
}
);
};
// Get the sales listings for this item in the market, with more information.
//
//{
//"success" : 1,
//"sell_order_table" : "<table class=\"market_commodity_orders_table\"><tr><th align=\"right\">Price<\/th><th align=\"right\">Quantity<\/th><\/tr><tr><td align=\"right\" class=\"\">0,04\u20ac<\/td><td align=\"right\">311<\/td><\/tr><tr><td align=\"right\" class=\"\">0,05\u20ac<\/td><td align=\"right\">895<\/td><\/tr><tr><td align=\"right\" class=\"\">0,06\u20ac<\/td><td align=\"right\">495<\/td><\/tr><tr><td align=\"right\" class=\"\">0,07\u20ac<\/td><td align=\"right\">174<\/td><\/tr><tr><td align=\"right\" class=\"\">0,08\u20ac<\/td><td align=\"right\">49<\/td><\/tr><tr><td align=\"right\" class=\"\">0,09\u20ac or more<\/td><td align=\"right\">41<\/td><\/tr><\/table>",
//"sell_order_summary" : "<span class=\"market_commodity_orders_header_promote\">1965<\/span> for sale starting at <span class=\"market_commodity_orders_header_promote\">0,04\u20ac<\/span>",
//"buy_order_table" : "<table class=\"market_commodity_orders_table\"><tr><th align=\"right\">Price<\/th><th align=\"right\">Quantity<\/th><\/tr><tr><td align=\"right\" class=\"\">0,03\u20ac<\/td><td align=\"right\">93<\/td><\/tr><\/table>",
//"buy_order_summary" : "<span class=\"market_commodity_orders_header_promote\">93<\/span> requests to buy at <span class=\"market_commodity_orders_header_promote\">0,03\u20ac<\/span> or lower",
//"highest_buy_order" : "3",
//"lowest_sell_order" : "4",
//"buy_order_graph" : [[0.03, 93, "93 buy orders at 0,03\u20ac or higher"]],
//"sell_order_graph" : [[0.04, 311, "311 sell orders at 0,04\u20ac or lower"], [0.05, 1206, "1,206 sell orders at 0,05\u20ac or lower"], [0.06, 1701, "1,701 sell orders at 0,06\u20ac or lower"], [0.07, 1875, "1,875 sell orders at 0,07\u20ac or lower"], [0.08, 1924, "1,924 sell orders at 0,08\u20ac or lower"], [0.09, 1934, "1,934 sell orders at 0,09\u20ac or lower"], [0.1, 1936, "1,936 sell orders at 0,10\u20ac or lower"], [0.11, 1937, "1,937 sell orders at 0,11\u20ac or lower"], [0.12, 1944, "1,944 sell orders at 0,12\u20ac or lower"], [0.14, 1945, "1,945 sell orders at 0,14\u20ac or lower"]],
//"graph_max_y" : 3000,
//"graph_min_x" : 0.03,
//"graph_max_x" : 0.14,
//"price_prefix" : "",
//"price_suffix" : "\u20ac"
//}
SteamMarket.prototype.getItemOrdersHistogram = function(item, cache, callback) {
try {
const market_name = getMarketHashName(item);
if (market_name == null) {
callback(ERROR_FAILED);
return;
}
const appid = item.appid;
if (cache) {
const storage_hash = `itemordershistogram_${appid}+${market_name}`;
storageSession.getItem(storage_hash).
then((value) => {
if (value != null) {
callback(ERROR_SUCCESS, value, true);
} else {
market.getCurrentItemOrdersHistogram(item, market_name, callback);
}
}).
catch(() => {
market.getCurrentItemOrdersHistogram(item, market_name, callback);
});
} else {
market.getCurrentItemOrdersHistogram(item, market_name, callback);
}
} catch {
return callback(ERROR_FAILED);
}
};
// Get the sales listings for this item in the market, with more information.
SteamMarket.prototype.getCurrentItemOrdersHistogram = function(item, market_name, callback) {
market.getMarketItemNameId(
item,
(error, item_nameid) => {
if (error) {
callback(ERROR_FAILED);
return;
}
const url = `${window.location.origin}/market/itemordershistogram`;
const options = {
method: 'GET',
data: {
country: country,
language: 'schinese',
currency: currencyId,
item_nameid: item_nameid,
two_factor: 0
}
};
request(
url,
options,
(error, data) => {
if (error) {
callback(ERROR_FAILED, null);
return;
}
// Store the histogram in the session storage.
const storage_hash = `itemordershistogram_${item.appid}+${market_name}`;
storageSession.setItem(storage_hash, data);
callback(ERROR_SUCCESS, data, false);
}
)
}
);
};
// Calculate the price before fees (seller price) from the buyer price
SteamMarket.prototype.getPriceBeforeFees = function(price, item) {
let publisherFee = -1;
if (item != null) {
if (item.market_fee != null) {
publisherFee = item.market_fee;
} else if (item.description != null && item.description.market_fee != null) {
publisherFee = item.description.market_fee;
}
}
if (publisherFee == -1) {
if (this.walletInfo != null) {
publisherFee = this.walletInfo['wallet_publisher_fee_percent_default'];
} else {
publisherFee = 0.10;
}
}
price = Math.round(price);
const feeInfo = CalculateFeeAmount(price, publisherFee, this.walletInfo);
return price - feeInfo.fees;
};
// Calculate the buyer price from the seller price
SteamMarket.prototype.getPriceIncludingFees = function(price, item) {
let publisherFee = -1;
if (item != null) {
if (item.market_fee != null) {
publisherFee = item.market_fee;
} else if (item.description != null && item.description.market_fee != null) {
publisherFee = item.description.market_fee;
}
}
if (publisherFee == -1) {
if (this.walletInfo != null) {
publisherFee = this.walletInfo['wallet_publisher_fee_percent_default'];
} else {
publisherFee = 0.10;
}
}
price = Math.round(price);
const feeInfo = CalculateAmountToSendForDesiredReceivedAmount(price, publisherFee, this.walletInfo);
return feeInfo.amount;
};
//#endregion
// Cannot use encodeURI / encodeURIComponent, Steam only escapes certain characters.
function escapeURI(name) {
let previousName = '';
while (previousName != name) {
previousName = name;
name = name.replace('?', '%3F').
replace('#', '%23').
replace(' ', '%09');
}
return name;
}
//#region Steam Market / Inventory helpers
function getMarketHashName(item) {
if (item == null) {
return null;
}
if (item.description != null && item.description.market_hash_name != null) {
return item.description.market_hash_name;
}
if (item.description != null && item.description.name != null) {
return item.description.name;
}
if (item.market_hash_name != null) {
return item.market_hash_name;
}