twitter-tipbot/index.js
2019-10-10 22:15:07 +02:00

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const Twit = require("twit");
const config = require("config");
const winston = require("winston");
require("winston-daily-rotate-file");
const Client = require("bitcoin-core");
const lbry = new Client({
username: config.get("lbrycrd.username"),
password: config.get("lbrycrd.password"),
port: config.get("lbrycrd.port")
});
const logger = winston.createLogger({
level: "info",
format: winston.format.json(),
transports: [
new winston.transports.DailyRotateFile({
filename: "tipbot-%DATE%.log",
dirname: "./logs",
datePattern: "YYYY-MM-DD-HH",
zippedArchive: true,
maxSize: "20m",
maxFiles: "14d"
}),
new winston.transports.Console({
format: winston.format.simple(),
level: "debug"
})
]
});
const T = new Twit({
consumer_key: config.get("twitter.consumer_key"),
consumer_secret: config.get("twitter.consumer_secret"),
access_token: config.get("twitter.access_token"),
access_token_secret: config.get("twitter.access_token_secret"),
timeout_ms: 60 * 1000, // optional HTTP request timeout to apply to all requests.
strictSSL: true // optional - requires SSL certificates to be valid.
});
const stream = T.stream("statuses/filter", { track: config.get("bot.handle") });
logger.info("Started LBRY twitter tipbot.");
stream.on("tweet", function(tweet) {
if(tweet.user.screen_name === config.get("bot.handle").substring(1)) return;
let msg = checkTrunc(tweet);
msg = msg.replace(/[\n\\]/g, " ").slice(msg.lastIndexOf(config.get("bot.handle"))).split(" ");
if (msg.length >= 2) checkTweet(tweet, msg);
});
function checkTweet(tweet, msg) {
switch (msg[1]) {
case "help":
doHelp(tweet, msg);
break;
case "balance":
doBalance(tweet, msg);
break;
case "deposit":
doDeposit(tweet, msg);
break;
case "withdraw":
doWithdraw(tweet, msg);
break;
case "tip":
doTip(tweet, msg);
break;
case "terms":
doTerms(tweet, msg);
break;
case "lbryian":
logger.info("Got a command with the old format, handling it...");
checkTweet(tweet, msg.splice(1));
break;
}
}
async function doHelp(tweet, msg) {
try {
let post = await T.post("statuses/update", {
status:
`@${tweet.user.screen_name} `+
`Call commands with: ${config.get("bot.handle")} + \n` +
"help - Shows this command.\n" +
"balance - Get your balance.\n" +
"deposit - Get address for your deposits.\n" +
"withdraw ADDRESS AMOUNT - Withdraw AMOUNT credits to ADDRESS.\n" +
"tip USER AMOUNT - Tip USER AMOUNT.\n"+
"terms - Sends the TOS.",
in_reply_to_status_id: tweet.id_str
});
logger.info(
`Sent help to ${tweet.user.screen_name}, tweet id: ${tweet.id_str}`
);
} catch (e) {
logger.error(e);
}
}
async function doTerms(tweet, msg){
// ADD terms
await T.post("statuses/update", {
status:
`@${tweet.user.screen_name} `+
"There are no fees to use this bot except the automatic daemon fee. \n"+
"Under no circumstances shall LBRY Inc. be held responsible for lost, stolen or misdirected funds.",
in_reply_to_status_id: tweet.id_str
});
}
async function doBalance(tweet, msg) {
try {
const balance = await lbry.getBalance(id(tweet.user.id_str), config.get("bot.requiredConfirms")); // Amount of confirms before we can use it.
const post = await T.post("statuses/update", {
in_reply_to_status_id: tweet.id_str,
status: `@${tweet.user.screen_name} You have ${balance} LBC.`
});
logger.info(
`Sent balance command to ${tweet.user.screen_name}, tweet id: ${
tweet.id_str
}`
);
} catch (e) {
logger.error(e);
}
}
async function doDeposit(tweet, msg) {
try {
const post = await T.post("statuses/update", {
status: `@${tweet.user.screen_name} Your deposit address is ${await getAddress(id(tweet.user.id_str))}`,
in_reply_to_status_id: tweet.id_str
});
logger.info(
`Sent deposit address to ${tweet.user.screen_name}, tweet id: ${
tweet.id_str
}`
);
} catch (e) {
logger.error(e);
}
}
async function doWithdraw(tweet, msg) {
try {
if (msg.length < 4) return doHelp(tweet, msg);
let address = msg[2];
let amount = getValidatedAmount(msg[3]);
if (amount === null) {
return await T.post("statuses/update", {
status: `@${tweet.user.screen_name} I don´t know how to withdraw that many credits...`,
in_reply_to_status_id: tweet.id_str
});
}
let txId = await lbry.sendFrom(id(tweet.user.id_str), address, amount);
await T.post("statuses/update", {
status: `@${tweet.user.screen_name} You withdrew ${amount} LBC to ${address}. \n${txLink(txId)}`,
in_reply_to_status_id: tweet.id_str
});
logger.info(
`User ${
tweet.user.screen_name
} withdraw ${amount} LBC to ${address}, tweet id: ${tweet.id_str}`
);
} catch (e) {
logger.error(e);
}
}
async function doTip(tweet, msg) {
try {
if (msg.length < 3) {
return doHelp(tweet, msg);
}
const amount = getValidatedAmount(msg[3]);
if (amount === null) {
return await T.post("statuses/update", {
status: `@${tweet.user.screen_name} I don´t know how to tip that many credits...`,
in_reply_to_status_id: tweet.id_str
});
}
const userToTip = tweet.entities.user_mentions.find(u => `@${u.screen_name}` === msg[2]).id_str;
let tipToAddress = await getAddress(id(userToTip)) // Call this to ensure user has an account.
if (userToTip === null) {
return await T.post("statuses/update", {
status: `@${tweet.user.screen_name} I could not find that user...`,
in_reply_to_status_id: tweet.id_str
});
}
const balanceFromUser = await lbry.getBalance(id(tweet.user.id_str), config.get("bot.requiredConfirms"));
if (balanceFromUser < amount) {
return await T.post("statuses/update", {
status: `@${tweet.user.screen_name} You tried tipping more than you have! You are ${amount-balanceFromUser} LBC short.`,
in_reply_to_status_id: tweet.id_str
});
}
const txId = await lbry.sendFrom(id(tweet.user.id_str), tipToAddress, Number(amount), 1);
await T.post("statuses/update", {
status: `@${tweet.user.screen_name} Tipped ${amount} LBC! We'd say who it was to, but then Twitter would ban the bot. \nTransaction: ${txLink(txId)} \nSee https://lbry.com/faq/tipbot-twitter for more information.`,
in_reply_to_status_id: tweet.id_str
});
logger.info(
`@${tweet.user.screen_name}(${tweet.user.id_str}) tipped ${
msg[2]
}(${userToTip}) ${amount} LBC.`
);
} catch (e) {
logger.error(e);
}
}
async function getAddress(userId) {
try {
let uAddresses = await lbry.getAddressesByAccount(userId);
if (uAddresses.length > 0) return uAddresses[0];
let nAddress = await lbry.getNewAddress(userId);
return nAddress;
} catch (e) {
logger.error(e);
}
}
function getValidatedAmount(amount) {
amount = amount.trim();
if (amount.toLowerCase().endsWith("lbc")) {
amount = amount.substring(0, amount.length - 3);
}
return amount.match(/^[0-9]+(\.[0-9]+)?$/) ? amount : null;
}
function txLink(txId) {
return `https://explorer.lbry.com/tx/${txId}`;
}
function checkTrunc(tweet) {
if (tweet.truncated) return tweet.extended_tweet.full_text;
return tweet.text;
}
function id(usrId){
return `t-${usrId}`;
}