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/**
* Fetch the raw Hypixel API
*/
import { shuffle, sleep } from './util.js'
import typedHypixelApi from 'typed-hypixel-api'
import { Agent } from 'https'
if (!process.env.hypixel_keys)
// if there's no hypixel keys in env, run dotenv
(await import('dotenv')).config()
/** This array should only ever contain one item because using multiple hypixel api keys isn't allowed :) */
const apiKeys = process.env?.hypixel_keys?.split(' ') ?? []
interface KeyUsage {
remaining: number
limit: number
reset: number
}
const apiKeyUsage: { [key: string]: KeyUsage } = {}
// the usage amount the api key was on right before it reset
const apiKeyMaxUsage: { [key: string]: number } = {}
/** Choose the best current API key */
export function chooseApiKey(): string | null {
// find the api key with the lowest amount of uses
let bestKeyUsage: KeyUsage | null = null
let bestKey: string | null = null
// we limit to 5 api keys because otherwise they get automatically banned
for (let key of shuffle(apiKeys.slice(0, 5))) {
const keyUsage = apiKeyUsage[key]
// if the key has never been used before, use it
if (!keyUsage) return key
// if the key has reset since the last use, set the remaining count to the default
if (Date.now() > keyUsage.reset) {
apiKeyMaxUsage[key] = keyUsage.limit - keyUsage.remaining
keyUsage.remaining = keyUsage.limit
}
// if this key has more uses remaining than the current known best one, save it
if (bestKeyUsage === null || keyUsage.remaining > bestKeyUsage.remaining) {
bestKeyUsage = keyUsage
bestKey = key
}
}
return bestKey
}
export function getKeyUsage() {
let keyLimit = 0
let keyUsage = 0
for (let key of Object.keys(apiKeyMaxUsage)) {
// if the key isn't in apiKeyUsage, continue
if (!apiKeyUsage[key]) continue
keyUsage += apiKeyMaxUsage[key]
keyLimit += apiKeyUsage[key].limit
}
return {
limit: keyLimit,
usage: keyUsage
}
}
export interface HypixelResponse {
[key: string]: any | {
success: boolean
throttled?: boolean
}
}
export interface HypixelPlayerStatsSkyBlockProfiles {
[uuid: string]: {
profile_id: string
cute_name: string
}
}
interface HypixelPlayerStatsSkyBlock {
profiles: HypixelPlayerStatsSkyBlockProfiles
}
export interface HypixelPlayerSocialMedia {
YOUTUBE?: string
prompt: boolean
links: {
DISCORD?: string
HYPIXEL?: string
}
}
/** Send an HTTP request to the Hypixel API */
export let sendApiRequest = async<P extends keyof typedHypixelApi.Requests>(path: P, options: typedHypixelApi.Requests[P]['options']): Promise<typedHypixelApi.Requests[P]['response']['data']> => {
// Send a raw http request to api.hypixel.net, and return the parsed json
let response: typedHypixelApi.Requests[P]['response']
try {
response = await typedHypixelApi.request(
path,
options
)
} catch (e) {
await sleep(1000)
return await sendApiRequest(path, options)
}
if (!response.data.success) {
// bruh
if (response.data.cause === 'This endpoint is currently disabled') {
await sleep(30000)
return await sendApiRequest(path, options)
}
// if the cause is "Invalid API key", remove the key from the list of keys and try again
if ('key' in options && response.data.cause === 'Invalid API key') {
if (apiKeys.includes(options.key)) {
apiKeys.splice(apiKeys.indexOf(options.key), 1)
console.log(`${options.key} is invalid, removing it from the list of keys`)
}
return await sendApiRequest(path, {
...options,
key: chooseApiKey()
})
}
}
if ('key' in options && response.headers['ratelimit-limit']) {
// remember how many uses it has
apiKeyUsage[options.key] = {
remaining: response.headers['ratelimit-remaining'] ?? 0,
limit: response.headers['ratelimit-limit'] ?? 0,
reset: Date.now() + response.headers['ratelimit-reset'] ?? 0 * 1000 + 1000,
}
let usage = apiKeyUsage[options.key].limit - apiKeyUsage[options.key].remaining
// if it's not in apiKeyMaxUsage or this usage is higher, update it
if (!apiKeyMaxUsage[options.key] || (usage > apiKeyMaxUsage[options.key]))
apiKeyMaxUsage[options.key] = usage
}
if ('key' in options && !response.data.success && 'throttle' in response.data && response.data.throttle) {
if (apiKeyUsage[options.key])
apiKeyUsage[options.key].remaining = 0
// if it's throttled, wait 10 seconds and try again
await sleep(10000)
return await sendApiRequest(path, options)
}
return response.data
}
// this is necessary for mocking in the tests because es6
export function mockSendApiRequest($value) { sendApiRequest = $value }
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