const winston = require('winston'),
fs = require('fs'),
yaml = require('js-yaml'),
coind = require('node-gameunits');
const Twitter = require('twitter');
// check if the config file exists
if (!fs.existsSync('./config/config.yml')) {
winston.error("Configuration file doesn't exist! Please read the README.md file first.");
process.exit(1);
}
// load settings
const settings = yaml.load(fs.readFileSync('./config/config.yml', 'utf-8'));
// load winston's cli defaults
winston.cli();
// write logs to file
if (settings.log.file) {
winston.add(winston.transports.File, {
filename: settings.log.file,
level: 'debug'
});
}
// connect to coin json-rpc
winston.info('Connecting to coind...');
let coin = coind({
host: settings.rpc.host,
port: settings.rpc.port,
user: settings.rpc.user,
pass: settings.rpc.pass
});
// checking if we are connected.
coin.getBalance(function (err, balance) {
if (err) {
winston.error('Could not connect to %s RPC API! ', settings.coin.full_name, err);
process.exit(1);
return;
}
var balance = typeof balance == 'object' ? balance.result : balance;
winston.info('Connected to JSON RPC API. Current total balance is %d' + settings.coin.short_name, balance);
});
// connect to twitter
winston.info('Connecting to Twitter');
var client = new Twitter({
consumer_key: settings.twitter.consumer_key,
consumer_secret: settings.twitter.consumer_secret,
access_token_key: settings.twitter.access_token_key,
access_token_secret: settings.twitter.access_token_secret
});
//
client.get('followers/ids', function (error, tweets, response) {
if (error) {
console.log(error);
}
winston.info('Connected to Twitter. Followers:' + tweets.ids.length);
});
// basic handlers
var locks = [];
function makeid() {
var text = '';
var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
for (var i = 0; i < 5; i++) text += possible.charAt(Math.floor(Math.random() * possible.length));
return text;
}
function replytweet(to, replyid, themessage) {
winston.info('Preparing tweet' + '@' + to + ' :' + themessage);
var newtweet = '@' + to + ' ' + themessage + ' \nMsg_ID:(' + makeid() + ')';
winston.info('' + '@' + to + ' :' + newtweet);
client.post('statuses/update', {
status: newtweet,
in_reply_to_status_id: replyid
}, function (error, params, response) {
if (error) {
console.log(error);
//throw error;
}
console.log('Tweeting');
});
}
function getAddress(nickname, callback) {
winston.debug('Requesting address for %s', nickname);
coin.send('getaccountaddress', settings.rpc.prefix + nickname.toLowerCase(), function (err, address) {
if (err) {
winston.error('Something went wrong while getting address. ' + err);
callback(err);
return false;
}
callback(false, address);
});
}
String.prototype.expand = function (values) {
var global = {
nick: settings.twitter.twittername
};
return this.replace(/%([a-zA-Z_]+)%/g, function (str, variable) {
return typeof values[variable] == 'undefined' ? (typeof settings.coin[variable] == 'undefined' ? (typeof global[variable] == 'undefined' ? str : global[variable]) : settings.coin[variable]) : values[variable];
});
};
client.stream('statuses/filter', {track: settings.twitter.twitterkeyword}, function (stream) {
stream.on('error', function (error) {
winston.error('Something went wrong with the twitter streaming api.');
winston.error(error);
});
stream.on('end', function (reason) {
winston.error('Twitter streaming api failed with');
winston.error(reason);
});
stream.on('data', function (tweet) {
console.log('@' + tweet.user.screen_name + '|' + tweet.text);
if (tweet.text.substring(0, 2) === 'RT') {
console.log('Retweet Ingrored');
return;
}
var regex = new RegExp('(' + settings.twitter.twitterkeyword + ')(\\s)([a-zA-Z]+)', 'i');
var match = tweet.text.match(regex);
if (match == null) return;
var command = match[3];
var from = tweet.user.screen_name;
var msg = tweet.txt;
var message = tweet.text;
var replyid = tweet.id_str;
if (command == 'help' || command == 'terms') {
for (var i = 0; i < settings.messages[command].length; i++) {
replytweet(from, replyid, settings.messages[command][i].expand({}));
}
return;
}
switch (command) {
case 'tip':
var regex = new RegExp('(' + settings.twitter.twitterkeyword + ')(\\s)([a-zA-Z]+)(\\s)(\\@)(.+)(\\s)(.+)', 'i'); //Uglyfix
var match = tweet.text.match(regex);
console.log('tip');
console.log(match[0] + ',' + match[1] + ',' + match[2] + ',' + match[3] + ',' + match[4] + ',' + match[5] + ',' + match[6] + ',' + match[7] + ',' + match[8]);
if (match == null || match.length < 3) {
replytweet(from, replyid, 'Usage: nameofbot tip <twitterhandle> <amount>');
return;
}
var to = match[6];
var amount = Number(match[8]);
console.log('To:' + amount);
// lock
if (locks.hasOwnProperty(from.toLowerCase()) && locks[from.toLowerCase()]) return;
locks[from.toLowerCase()] = true;
if (isNaN(amount)) {
locks[from.toLowerCase()] = null;
replytweet(from, replyid, settings.messages.invalid_amount.expand({name: from, amount: match[8]}));
return;
}
if (to.toLowerCase() == from.toLowerCase()) {
locks[from.toLowerCase()] = null;
replytweet(from, replyid, settings.messages.tip_self.expand({name: from}));
return;
}
if (amount < settings.coin.min_tip) {
locks[from.toLowerCase()] = null;
replytweet(from, replyid, settings.messages.tip_too_small.expand({
from: from,
to: to,
amount: amount
}));
return;
}
// check balance with min. 5 confirmations
coin.getBalance(settings.rpc.prefix + from.toLowerCase(), settings.coin.min_confirmations, function (err, balance) {
if (err) {
locks[from.toLowerCase()] = null;
winston.error('Error in tip command.', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
var balance = typeof balance == 'object' ? balance.result : balance;
if (balance >= amount) {
coin.send('move', settings.rpc.prefix + from.toLowerCase(), settings.rpc.prefix + to.toLowerCase(), amount, function (err, reply) {
locks[from.toLowerCase()] = null;
if (err || reply) {
winston.error('Error in tip command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
winston.info('%s tipped %s %d%s', from, to, amount, settings.coin.short_name);
replytweet(from, replyid, settings.messages.tipped.expand({
from: from,
to: to,
amount: amount
}));
});
} else {
locks[from.toLowerCase()] = null;
winston.info('%s tried to tip %s %d, but has only %d', from, to, amount, balance);
replytweet(from, replyid, settings.messages.no_funds.expand({
name: from,
balance: balance,
short: amount - balance,
amount: amount
}));
}
});
break;
case 'address':
console.log('adress');
var user = from.toLowerCase();
getAddress(user, function (err, address) {
if (err) {
winston.error('Error in address command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
replytweet(from, replyid, settings.messages.deposit_address.expand({name: user, address: address}));
});
break;
case 'balance':
console.log('balance');
var user = from.toLowerCase();
coin.getBalance(settings.rpc.prefix + user, settings.coin.min_confirmations, function (err, balance) {
if (err) {
winston.error('Error in balance command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
var balance = typeof balance == 'object' ? balance.result : balance;
coin.getBalance(settings.rpc.prefix + user, 0, function (err, unconfirmed_balance) {
if (err) {
winston.error('Error in balance command', err);
replytweet(from, replyid, settings.messages.balance.expand({balance: balance, name: user}));
return;
}
var unconfirmed_balance = typeof unconfirmed_balance == 'object' ? unconfirmed_balance.result : unconfirmed_balance;
replytweet(from, replyid, settings.messages.balance_unconfirmed.expand({
balance: balance,
name: user,
unconfirmed: unconfirmed_balance - balance
}));
});
});
break;
case 'withdraw':
console.log('withdrawl');
var user = from.toLowerCase();
var match = message.match(/.?withdraw (\S+)$/);
if (match == null) {
replytweet(from, replyid, 'Usage: withdraw <' + settings.coin.full_name + ' address>');
return;
}
var address = match[1];
coin.validateAddress(address, function (err, reply) {
if (err) {
winston.error('Error in withdraw command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
if (reply.isvalid) {
coin.getBalance(settings.rpc.prefix + from.toLowerCase(), settings.coin.min_confirmations, function (err, balance) {
if (err) {
winston.error('Error in withdraw command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
var balance = typeof balance == 'object' ? balance.result : balance;
if (balance < settings.coin.min_withdraw) {
winston.warn('%s tried to withdraw %d, but min is set to %d', from, balance, settings.coin.min_withdraw);
replytweet(from, replyid, settings.messages.withdraw_too_small.expand({
name: from,
balance: balance
}));
return;
}
coin.sendFrom(settings.rpc.prefix + from.toLowerCase(), address, balance - settings.coin.withdrawal_fee, function (err, reply) {
if (err) {
winston.error('Error in withdraw command', err);
replytweet(from, replyid, settings.messages.error.expand({name: from}));
return;
}
var values = {
name: from,
address: address,
balance: balance,
amount: balance - settings.coin.withdrawal_fee,
transaction: reply
};
for (var i = 0; i < settings.messages.withdraw_success.length; i++) {
var msg = settings.messages.withdraw_success[i];
replytweet(from, replyid, msg.expand(values));
}
// transfer the rest (withdrawal fee - txfee) to bots wallet
coin.getBalance(settings.rpc.prefix + from.toLowerCase(), function (err, balance) {
if (err) {
winston.error('Something went wrong while transferring fees', err);
return;
}
var balance = typeof balance == 'object' ? balance.result : balance;
// moves the rest to bot's wallet
coin.move(settings.rpc.prefix + from.toLowerCase(), settings.rpc.prefix + settings.twitter.twittername.toLowerCase(), balance);
});
});
});
} else {
winston.warn('%s tried to withdraw to an invalid address', from);
replytweet(from, replyid, settings.messages.invalid_address.expand({
address: address,
name: from
}));
}
});
break;
default:
winston.warn('Invalid Command' + command);
replytweet(from, replyid, 'Invalid command. Tweet "@LBC_TipBot lbryian help" for list of commands or see reply below');
break;
}
});
});