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giveaway.js
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giveaway.js
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var exports = module.exports = {};
const c = require('./c.json')
const com = require('./commandUsage.json')
const config = require('./config.json')
const db = require('./db.js')
const tips = require('./tips.js')
const utils = require('./utils.js')
const BigNumber = require('bignumber.js')
BigNumber.config({ DECIMAL_PLACES: 8 })
BigNumber.config({ EXPONENTIAL_AT: 1e+9 })
const Discord = require('discord.js')
const EMOJI = '⚡'
const REACT_EMOJI = '🤘'
var LocalStorage = require('node-localstorage').LocalStorage
localStorage = new LocalStorage('./ls')
var ls = require("./ls")
var client;
const { ReactionCollector } = require('discord.js')
async function formatTime(id) {
var giveaway = await db.getGiveaway(id)
return `${utils.getTimeDiffStr(new Date(giveaway.endTime))} remaining`
}
function formatWinners(winners) {
return "**" + winners + "** winner" + ((winners !== 1) ? "s" : "") + ".";
}
//Creates a message description to send.
async function createDescription(time, winners, amount, symbol, giveawayID) {
return `
${EMOJI} **${symbol} GIVEAWAY!** ${EMOJI}
${(await formatTime(giveawayID))}
${formatWinners(winners)}
**${amount.toString()}** ${symbol} each.
\r\n\r\nReact with ${REACT_EMOJI} to enter!`;
}
//Updates a message.
async function updateMessage(message, time, winners, amount, symbol, link, giveawayID) {
try {
if (symbol !== config.ctick && link) {
await message.edit("", {
embed: {
description:
await createDescription(time, winners, amount, symbol, giveawayID),
image: { url: link },
color: c.SUCCESS_COL
}
});
} else {
await message.edit("", {
embed: {
description:
await createDescription(time, winners, amount, symbol, giveawayID),
color: c.SUCCESS_COL
}
});
}
} catch (error) {
console.log(error)
}
}
//End a giveaway.
async function endMessage(message, whoWon, link) {
try {
if (whoWon == false) {
await message.edit("", {
embed: {
description: "This giveaway has ended! Sadly, no one entered.",
image: { url: link },
color: c.FAIL_COL
}
});
return;
}
await message.edit("", {
embed: {
description:
"This giveaway has ended! The winners are:\r\n<@" +
whoWon.join(">\r\n<@") + ">",
image: { url: link },
color: c.SUCCESS_COL
}
});
} catch (error) {
console.log(error)
}
}
exports.createGiveaway = async function(msg, args, discordClient) {
try {
if (!utils.hasAllArgs(args, 4)) {
console.log(utils.hasAllArgs(args, 4))
msg.channel.send({embed: { color: c.FAIL_COL, description: `Missing information. Usage: ${config.prefix}` + com.giveaway}})
return
}
client = discordClient
//Check the argument count.
if (args.length !== 4) {
msg.reply("You used the wrong quantity of arguments.");
return;
}
var winners = args[1];
winners = {
quantity: parseInt(winners.substr(0, winners.length - 1)),
flag: winners.substr(winners.length - 1, winners.length)
};
var amount = new BigNumber(args[2]);
var gCurrency,
currencyStr,
token
var decimals = 8
if (args[3]) {
gCurrency = args[3].toUpperCase()
if (gCurrency !== "SYS") {
var token;
let verifiedSPTLink = await db.getSPT(gCurrency)
if (verifiedSPTLink) {
token = await utils.getSPT(verifiedSPTLink.guid)
} else {
token = await utils.getSPT(gCurrency)
}
console.log(token)
if (!token) {
msg.reply(`Couldn't find the token: ${gCurrency}. Please ensure you entered the symbol/GUID correctly.`)
return
}
gCurrency = token.assetGuid
decimals = token.decimals
currencyStr = await utils.getExpLink(token.assetGuid, c.TOKEN)
if (!currencyStr) {
msg.channel.send("Error getting token link")
return
}
} else {
currencyStr = "SYS"
}
}
//Verify the validity of the time argument.
if (args[0].length === 1) {
msg.reply("Your time is missing a proper suffix of either \"s\" or \"m\".");
return;
}
var time = {
amount: new BigNumber(parseInt(args[0].substr(0, args[0].length - 1))),
unit: args[0].substr(args[0].length - 1, args[0].length).toUpperCase()
}
if (time.unit !== "S" &&
time.unit !== "M") {
msg.reply("Your time isn't in seconds or minutes! Please use one or the other.");
return;
}
var timeMilliSeconds = utils.convertToMillisecs(time.amount, time.unit)
if (timeMilliSeconds.gt(utils.convertToMillisecs(new BigNumber(config.maxGiveawayTimeMins), "m"))) {
msg.channel.send({embed: { color: c.FAIL_COL, description: `The max auction time is ${config.maxAuctionTimeDays} day(s). Try again with a lower auction time.`}})
return
}
if (timeMilliSeconds.isNaN()) {
msg.channel.send({embed: { color: c.FAIL_COL, description: `The time amount given is not a number.`}})
return
}
if (!timeMilliSeconds.gt(0)) {
msg.channel.send({embed: { color: c.FAIL_COL, description: `The time amount given isn't more than 0.`}})
return
}
//Calculate the actual time of the giveaway.
time = ((time.unit === "m") ? 60 : 1) * time.time;
//Verify the validity of the winners argument.
if (args[1].length === 1) {
msg.reply("Your winners argument is missing the proper suffix of \"w\".");
return;
}
if (
(Number.isNaN(winners.quantity)) ||
(winners.quantity <= 0)
) {
msg.reply("Your winners quantity is not a positive number.");
return;
}
if (winners.flag !== "w") {
msg.reply("Please put a w after the second argument, to mark that it's how many winners the giveaway has.");
return;
}
//Remove the flag now that we're done with it.
winners = winners.quantity;
//Verify the validity of the amount argument.
if (
(amount.isNaN()) ||
(amount.lte(0))
) {
msg.reply("The amount that each winner will win is not a valid positive number.");
return;
}
// make sure the tip amount can't have a higher precision than is supported
let payWhole = amount.decimalPlaces(decimals, 1)
if (utils.decimalCount(amount.toString()) > decimals) {
if (decimals > 0) {
msg.channel.send({embed: { color: c.FAIL_COL, description: `You are trying to use too many decimals for the ${currencyStr} amount. It can't have any more than ${decimals} decimals.`}})
} else {
msg.channel.send({embed: { color: c.FAIL_COL, description: `${currencyStr} is a non-divisible token. It can't have any decimals.`}})
}
return
}
var usrBalance = await db.getBalance(msg.author.id, gCurrency)
if (!usrBalance) {
msg.reply("You don't have any of the given currency.");
return;
}
let usrBalanceBig = new BigNumber(usrBalance.amount);
//Calculate the total amount;
var total = amount.times(new BigNumber(winners));
var totalSat = utils.toSats(total, decimals)
var enoughBalance = utils.hasEnoughBalance(usrBalance, totalSat)
if (!enoughBalance) {
msg.reply("You don't have enough of the given currency to run the giveaway.");
return;
}
var giveawayIndex = await db.getGiveawayCount();
console.log("Giveaway index: " + ls.get("giveawayIndex"))
var now = Date.now()
var endDate = new Date(timeMilliSeconds.plus(now).toNumber())
var dbGiveaway = await db.createGiveaway(giveawayIndex, utils.toSats(amount, decimals), gCurrency, endDate)
if (!dbGiveaway) {
msg.channel.send({embed: {description: `Error creating giveaway in the database.`}})
return
}
var desc = await createDescription(time, winners, amount, currencyStr, dbGiveaway.giveawayID)
var giveaway
if (gCurrency !== config.ctick) {
var embed = await utils.createNFTEmbed(token.assetGuid, c.SUCCESS_COL, desc, false)
// send message
giveaway = await msg.channel.send(embed)
} else {
giveaway = await msg.channel.send({embed: {description: desc}})
}
//Create the var of who won.
var whoWon = [];
//Track the reactions.
var filter = (reaction, user) => {
return reaction.emoji.name === REACT_EMOJI && !user.bot;
}
var collector = new ReactionCollector(giveaway, filter, {time: time * 1000});
giveaway.react(REACT_EMOJI);
//Function to update the time.
async function updateTime() {
let diff = endDate.getTime() - Date.now()
var checkTime
var nextInterval = 10000
if (diff < 10000) {
nextInterval = 700
}
if (diff <= 0) {
collector.stop()
clearTimeout(checkTime)
return;
}
if (gCurrency !== config.ctick) {
let dbSPT = await db.getSPT(gCurrency)
await updateMessage(giveaway, time, winners, amount, currencyStr, dbSPT.linkToNFT, dbGiveaway.giveawayID);
} else {
await updateMessage(giveaway, time, winners, amount, currencyStr, null, dbGiveaway.giveawayID);
}
//Set a new timeout.
checkTime = setTimeout(updateTime, nextInterval);
}
//Run the function in ten seconds.
setTimeout(updateTime, 10000);
collector.on("collect", async (reaction, user) => {
var userProfile = await db.getProfile(user.id)
if (!userProfile) {
giveaway.channel.send({embed: {description: `<@${user.id}> you have to register with the tipbot before you can enter the giveaway. Type !register in the chat and then react again.`}})
reaction.users.remove(user)
}
})
collector.on("end", async (collected) => {
var link = null
if (gCurrency !== config.ctick) {
if (collector.message.embeds[0].image) {
link = collector.message.embeds[0].image.url
}
}
//Create an array out of who entered.
if (collected.array().length === 0) {
whoWon = false;
await endMessage(giveaway, whoWon);
return
}
var users = collected.array()[0].users.cache.array();
//Make sure someone entered.
if (users.length === 1) {
whoWon = false;
await endMessage(giveaway, whoWon, link);
return;
}
// add user ids to array for later.
var userIDs = [];
for (var i = 0; i < users.length; i++) {
//Verify it isn't the bot.
if (!users[i].bot && users[i].id !== msg.author.id) {
var userProf = await db.getProfile(users[i].id)
if (userProf) {
userIDs.push(users[i].id)
}
}
}
//If we didn't get a full amount of entries, lower the winners amount so our timeout knows to run.
if (userIDs.length < winners) {
winners = userIDs.length;
}
//Iterate for the amount of winners we need.
for (i = 0; i < winners; i++) {
//Select a random user to be a winner.
var winner = Math.floor(
Math.random() * userIDs.length
);
//Push the user to whoWon.
whoWon.push(userIDs[winner]);
//Remove that user so they don't win again..
userIDs.splice(winner, 1);
}
if (whoWon.length === 0) {
whoWon = false;
await endMessage(giveaway, whoWon);
return
}
var usrProfile = await db.getProfile(msg.author.id)
// send the payouts to all the winners
for (var i = 0; i < whoWon.length; i++) {
let toProfile = await db.getProfile(whoWon[i])
var tipInfo = [1, amount, gCurrency]
tipSuccess = await tips.tipUser(tipInfo, usrProfile, toProfile, c.GIVEAWAY, client, msg)
}
await endMessage(giveaway, whoWon, link);
//Send a new message to the channel about the winners.
desc = `
${EMOJI} **${currencyStr} GIVEAWAY!** ${EMOJI}
Congratulations to the winner(s) of **${amount.toString()}** ${currencyStr}!\n
${"<@" + whoWon.join(">\r\n<@") + ">"}
`
if (gCurrency !== config.ctick) {
var embed = await utils.createNFTEmbed(token.assetGuid, c.SUCCESS_COL, desc, false)
giveaway.channel.send(embed)
} else {
giveaway.channel.send({embed: {description: desc}})
}
var ended = await db.endGiveaway(dbGiveaway.giveawayID)
});
} catch (error) {
console.log(error)
msg.channel.send({embed: {description: "Error creating giveaway."}})
}
};