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added gilding functionality

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This commit is contained in:
Akinwale Ariwodola 2017-09-24 08:03:46 +01:00
parent f7e3da2880
commit 49e043b0ce
6 changed files with 195 additions and 20 deletions
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198
app.js
View file

@ -11,14 +11,10 @@ if (config.debug) {
}
// URLS
const howToUseUrl = 'https://reddit.com/r/lbry';
const baseUrl = 'https://oauth.reddit.com';
const rateUrl = 'https://api.lbry.io/lbc/exchange_rate';
const tokenUrlFormat = 'https://%s:%s@www.reddit.com/api/v1/access_token';
const txBaseUrl = 'https://explorer.lbry.io/tx';
// Other globals
const userAgent = 'lbryian/1.0.0 Node.js (by /u/lbryian)';
const commentKind = 't1';
const privateMessageKind = 't4';
let globalAccessToken;
@ -29,6 +25,8 @@ const messageTemplates = {};
const templateNames = [
'onbalance',
'ondeposit',
'ongild',
'ongild.insufficientfunds',
'onsendtip',
'onsendtip.insufficientfunds',
'onsendtip.invalidamount',
@ -223,7 +221,8 @@ const sendTip = (sender, recipient, amount, tipdata, callback) => {
(senderBalance, cb) => {
// balance is less than amount to tip, or the difference after sending the tip is negative
if (senderBalance < amount || (senderBalance - amount) < 0) {
return sendPMUsingTemplate('onsendtip.insufficientfunds', { how_to_use_url: howToUseUrl }, message.data.author, () => {
return sendPMUsingTemplate('onsendtip.insufficientfunds',
{ how_to_use_url: config.howToUseUrl, recipient: `u/${recipient}`, amount: amount, balance: senderBalance }, message.data.author, () => {
cb(new Error('Insufficient funds'), null);
});
}
@ -269,7 +268,7 @@ const sendTip = (sender, recipient, amount, tipdata, callback) => {
},
(res, fields, cb) => {
// reply to the source message with message template after successful commit
replyMessageUsingTemplate('onsendtip', { recipient: `u/${recipient}`, tip: `${amount} LBC ($${tipdata.amountUsd})`, how_to_use_url: howToUseUrl},
replyMessageUsingTemplate('onsendtip', { recipient: `u/${recipient}`, tip: `${amount} LBC ($${tipdata.amountUsd})`, how_to_use_url: config.howToUseUrl},
tipdata.message.data.name, cb);
},
(success, cb) => {
@ -343,9 +342,33 @@ const convertLbcToUsd = (amount, callback) => {
});
};
const gildThing = (thingFullId, callback) => {
const url = `${baseUrl}/api/v1/gold/gild/${thingFullId}`;
request.post({ url, headers: { 'User-Agent': config.userAgent, 'Authorization': 'Bearer ' + globalAccessToken } }, (err, res, body) => {
if (err) {
return callback(err, null);
}
let response;
try {
response = JSON.parse(body);
} catch (e) {
return callback(e, null);
}
if (response.json.ratelimit > 0 ||
response.json.errors.length > 0) {
return callback(new Error('Rate limited.'), null);
}
// success
return callback(null, true);
});
};
const markMessageRead = (messageFullId, callback) => {
const url = `${baseUrl}/api/read_message`;
request.post({ url, form: { id: messageFullId }, headers: { 'User-Agent': userAgent, 'Authorization': 'Bearer ' + globalAccessToken } }, (err, res, body) => {
request.post({ url, form: { id: messageFullId }, headers: { 'User-Agent': config.userAgent, 'Authorization': 'Bearer ' + globalAccessToken } }, (err, res, body) => {
if (err) {
return callback(err, null);
}
@ -381,7 +404,7 @@ const sendPMUsingTemplate = (template, substitions, subject, recipient, callback
request.post({
url,
form: { api_type: 'json', text: messageText, subject, to: recipient },
headers: { 'User-Agent': userAgent, 'Authorization': 'Bearer ' + globalAccessToken }
headers: { 'User-Agent': config.userAgent, 'Authorization': 'Bearer ' + globalAccessToken }
}, (err, res, body) => {
if (err) {
return callback(err, null);
@ -422,7 +445,7 @@ const replyMessageUsingTemplate = (template, substitutions, sourceMessageFullId,
request.post({
url,
form: { api_type: 'json', text: messageText, thing_id: sourceMessageFullId },
headers: { 'User-Agent': userAgent, 'Authorization': 'Bearer ' + globalAccessToken }
headers: { 'User-Agent': config.userAgent, 'Authorization': 'Bearer ' + globalAccessToken }
}, (err, res, body) => {
if (err) {
return callback(err, null);
@ -447,7 +470,7 @@ const replyMessageUsingTemplate = (template, substitutions, sourceMessageFullId,
const getMessageAuthor = (thingId, accessToken, callback) => {
const url = util.format('%s/api/info?id=%s', baseUrl, thingId);
request.get({ url: url, headers: { 'User-Agent': userAgent, 'Authorization': 'Bearer ' + globalAccessToken } }, (err, res, body) => {
request.get({ url: url, headers: { 'User-Agent': config.userAgent, 'Authorization': 'Bearer ' + globalAccessToken } }, (err, res, body) => {
if (err) {
return callback(err, null);
}
@ -463,6 +486,140 @@ const getMessageAuthor = (thingId, accessToken, callback) => {
});
};
const sendGild = (sender, recipient, amount, gilddata, callback) => {
console.log(`gilding ${recipient} with ${amount} LBC worth ${gilddata.amountUsd} from ${sender}`);
const data = {};
async.waterfall([
(cb) => {
// Start DB transaction
db.beginTransaction((err) => {
if (err) {
return cb(err, null);
}
return cb(null, true);
});
},
(started, cb) => {
// start a transaction
// check the sender's balance
createOrGetUserId(sender, cb);
},
(senderId, cb) => {
data.senderId = senderId;
getBalance(senderId, cb);
},
(senderBalance, cb) => {
// balance is less than amount required for gilding, or the difference after sending the tip is negative
if (senderBalance < amount || (senderBalance - amount) < 0) {
return sendPMUsingTemplate('ongild.insufficientfunds',
{ how_to_use_url: config.howToUseUrl, amount: amount, amount_usd: gilddata.amountUsd, balance: senderBalance }, message.data.author, () => {
cb(new Error('Insufficient funds'), null);
});
}
return db.query('UPDATE Users SET Balance = Balance - ? WHERE Id = ?', [amount, data.senderId], cb);
},
(res, fields, cb) => {
// save the message
const msgdata = gilddata.message.data;
db.query( ['INSERT INTO Messages (AuthorId, Type, FullId, RedditId, ParentRedditId, Subreddit, Body, Context, RedditCreated, Created) ',
'VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, UTC_TIMESTAMP())'].join(''),
[data.senderId,
gilddata.message.kind === privateMessageKind ? 1 : 2,
msgdata.name,
msgdata.id,
msgdata.parent_id,
msgdata.subreddit,
msgdata.body,
msgdata.context,
moment.utc(msgdata.created_utc * 1000).format('YYYY-MM-DD HH:mm:ss')
], cb);
},
(res, fields, cb) => {
// save the tip information
db.query( ['INSERT INTO Tips (MessageId, SenderId, RecipientId, Amount, AmountUsd, ParsedAmount, IsGild, Created) ',
'VALUES (?, ?, ?, ?, ?, ?, 1, UTC_TIMESTAMP())'].join(''),
[res.insertId,
data.senderId,
data.recipientId,
amount,
gilddata.amountUsd,
['$', config.gildPrice].join(''),
], cb);
},
(res, fields, cb) => {
// send the gild
gildThing(gilddata.message.data.name, cb);
},
(success, cb) => {
// reply to the source message with message template after successful commit
replyMessageUsingTemplate('ongild', { sender: `u/${sender}`, recipient: `u/${recipient}`, gild_amount: `${amount} LBC ($${gilddata.amountUsd})`, how_to_use_url: config.howToUseUrl},
gilddata.message.data.name, cb);
},
(success, cb) => {
// Mark the message as read
markMessageRead(gilddata.message.data.name, cb);
},
(success, cb) => {
// commit the transaction
db.commit((err) => {
if (err) {
return cb(err, null);
}
return cb(null, true);
});
}
], (err) => {
if (err) {
console.log(err);
return db.rollback(() => {
callback(err, null);
});
}
// success
return callback(null, true);
});
};
const doGild = function(message, callback) {
async.waterfall([
(cb) => {
getMessageAuthor(message.data.parent_id, globalAccessToken, cb);
},
(recipient, cb) => {
const sender = message.data.author;
if (sender !== recipient) {
return cb(null, { message, recipient, sender, amountUsd: config.gildPrice });
}
return cb(null, null);
},
(gilddata, cb) => {
if (gilddata && gilddata.amountUsd > 0) {
return convertUsdToLbc(gilddata.amountUsd, (err, convertedAmount) => {
if (err) {
return cb(err);
}
gilddata.amountLbc = convertedAmount;
return cb(null, gilddata);
});
}
return cb(null, null);
},
(data, cb) => {
if (gilddata) {
return sendGild(data.sender, data.recipient, data.amountLbc, data, cb);
}
return cb(null, null);
}
], callback);
};
const doSendTip = function(body, message, callback) {
/**
* accepted formats:
@ -488,7 +645,7 @@ const doSendTip = function(body, message, callback) {
// get the amount
amountUsd = parseFloat(parts[nameFirst ? 1 : 0].substring(1));
if (isNaN(amountUsd) || amountUsd <= 0) {
return sendPMUsingTemplate('onsendtip.invalidamount', { how_to_use_url: howToUseUrl }, message.data.author, () => {
return sendPMUsingTemplate('onsendtip.invalidamount', { how_to_use_url: config.howToUseUrl }, message.data.author, () => {
callback(null, null);
});
}
@ -568,7 +725,7 @@ const doSendBalance = (message, callback) => {
},
(balance, cb) => {
// send message with balance
replyMessageUsingTemplate('onbalance', { how_to_use_url: howToUseUrl, amount: balance }, message.data.name, cb);
replyMessageUsingTemplate('onbalance', { how_to_use_url: config.howToUseUrl, amount: balance }, message.data.name, cb);
},
(success, cb) => {
// mark messge as read
@ -625,7 +782,7 @@ const doWithdrawal = (amount, address, message, callback) => {
(balance, cb) => {
// check sufficient balance
if (balance < amount || balance - amount < 0) {
return sendPMUsingTemplate('onwithdraw.insufficientfunds', { how_to_use_url: howToUseUrl }, message.data.author, () => {
return sendPMUsingTemplate('onwithdraw.insufficientfunds', { how_to_use_url: config.howToUseUrl }, message.data.author, () => {
cb(new Error('Insufficient funds'), null);
});
}
@ -658,7 +815,7 @@ const doWithdrawal = (amount, address, message, callback) => {
},
(success, cb) => {
// send a reply
replyMessageUsingTemplate('onwithdraw', { how_to_use_url: howToUseUrl, address: address, amount: amount, txid: data.txhash }, message.data.name, cb);
replyMessageUsingTemplate('onwithdraw', { how_to_use_url: config.howToUseUrl, address: address, amount: amount, txid: data.txhash }, message.data.name, cb);
}
], (err) => {
if (err) {
@ -683,7 +840,7 @@ const doSendDepositAddress = (message, callback) => {
},
(address, cb) => {
// send message with balance
replyMessageUsingTemplate('ondeposit', { how_to_use_url: howToUseUrl, address: address }, message.data.name, cb);
replyMessageUsingTemplate('ondeposit', { how_to_use_url: config.howToUseUrl, address: address }, message.data.name, cb);
},
(success, cb) => {
// mark messge as read
@ -731,13 +888,13 @@ const processMessage = function(message, callback) {
const amount = parseFloat(parts[1]);
if (isNaN(amount) || amount < 0) {
// TODO: send a message that the withdrawal amount is invalid
return sendPMUsingTemplate('onwithdraw.invalidamount', { how_to_use_url: howToUseUrl }, message.data.author, () => {
return sendPMUsingTemplate('onwithdraw.invalidamount', { how_to_use_url: config.howToUseUrl }, message.data.author, () => {
callback(null, null);
});
}
if (amount <= config.lbrycrd.txfee) {
return sendPMUsingTemplate('onwithdraw.amountltefee', { how_to_use_url: howToUseUrl, amount: amount, fee: config.lbrycrd.txfee }, message.data.author, () => {
return sendPMUsingTemplate('onwithdraw.amountltefee', { how_to_use_url: config.howToUseUrl, amount: amount, fee: config.lbrycrd.txfee }, message.data.author, () => {
callback(null, null);
});
}
@ -747,7 +904,7 @@ const processMessage = function(message, callback) {
try {
base58.decode(address);
} catch(e) {
return sendPMUsingTemplate('onwithdraw.invalidaddress', { how_to_use_url: howToUseUrl }, message.data.author, () => {
return sendPMUsingTemplate('onwithdraw.invalidaddress', { how_to_use_url: config.howToUseUrl }, message.data.author, () => {
callback(null, null);
});
}
@ -759,8 +916,13 @@ const processMessage = function(message, callback) {
}
if (message.kind === commentKind) {
const bodyParts = body.split(' ', 2);
if (bodyParts.length === 2 && ('gild' === bodyParts[0].toLowerCase() || 'gild' === bodyParts[1].toLowerCase())) {
doGild(message, callback);
} else {
doSendTip(body, message, callback);
}
}
};
// Run the bot

4
config/default.js
View file

@ -6,8 +6,12 @@ module.exports = {
username: '<USERNAME>',
password: '<PASSWORD>',
userAgent: '<USER_AGENT_STRING>',
howToUseUrl: 'https://np.reddit.com/r/lbry/wiki/tipbot',
// for handling tip comments
redditName: 'u/lbryian',
gildPrice: 2.5,
mariadb: {
host: 'localhost',

1
sql/ddl.sql
View file

@ -37,6 +37,7 @@ CREATE TABLE Tips
`ParsedAmount` VARCHAR(20) NOT NULL COMMENT 'user amount string, $0.x, 0.x usd or 0.x lbc',
`AmountUsd` DECIMAL(18,2) UNSIGNED,
`Amount` DECIMAL(18,8) UNSIGNED NOT NULL,
`IsGild` TINYINT(1) DEFAULT 0 NOT NULL,
`Created` DATETIME NOT NULL,
PRIMARY KEY `PK_TipId` (`Id`),
FOREIGN KEY `FK_TipSender` (`SenderId`) REFERENCES `Users` (`Id`),

4
templates/ongild.insufficientfunds.txt Normal file
View file

@ -0,0 +1,4 @@
You do not have sufficient funds to gild {recipient}. Gilding costs **{amount} LBC** ({amount_usd}) but your balance is **{balance} LBC**.
----
[^How ^to ^use]({how_to_use_url}) ^&bull; [^What ^is ^LBRY?](https://lbry.io/faq/what-is-lbry) ^&bull; ^r/lbry

4
templates/ongild.txt Normal file
View file

@ -0,0 +1,4 @@
{recipient}, {sender} gilded your post for {gild_amount}! Congratulations!
----
[^How ^to ^use]({how_to_use_url}) ^&bull; [^What ^is ^LBRY?](https://lbry.io/faq/what-is-lbry) ^&bull; ^r/lbry

2
templates/onsendtip.insufficientfunds.txt
View file

@ -1,4 +1,4 @@
You do not have sufficient funds to send a tip to {recipient}. You tried to send **{tip} LBC** but your balance is **{amount} LBC**.
You do not have sufficient funds to send a tip to {recipient}. You tried to send **{amount} LBC** but your balance is **{balance} LBC**.
----
[^How ^to ^use]({how_to_use_url}) ^&bull; [^What ^is ^LBRY?](https://lbry.io/faq/what-is-lbry) ^&bull; ^r/lbry