bitflo/src/request.js
2023-06-12 14:23:52 +05:30

483 lines
17 KiB
JavaScript

'use strict';
const DB = require("./database");
const market = require("./market");
const background = require("./background");
const sink = require("./backup/head").sink;
const keys = require("./keys");
const {
SIGN_EXPIRE_TIME,
MAX_SESSION_TIMEOUT
} = require("./_constants")["request"];
const eCode = require('../docs/scripts/floTradeAPI').errorCode;
const serviceList = require('../docs/scripts/floTradeAPI').serviceList;
var secret; //containers for secret
global.INVALID = function (ecode, message) {
if (!(this instanceof INVALID))
return new INVALID(ecode, message);
this.message = message;
this.ecode = ecode;
}
INVALID.e_code = 400;
INVALID.prototype.toString = function () {
return "E" + this.ecode + ": " + this.message;
}
INVALID.str = (ecode, message) => INVALID(ecode, message).toString();
global.INTERNAL = function INTERNAL(message) {
if (!(this instanceof INTERNAL))
return new INTERNAL(message);
this.message = message;
}
INTERNAL.e_code = 500;
INTERNAL.prototype.toString = function () {
return "E" + eCode.INTERNAL_ERROR + ": " + this.message;
}
INTERNAL.str = (ecode, message) => INTERNAL(ecode, message).toString();
const INCORRECT_SERVER_ERROR = INVALID(eCode.INCORRECT_SERVER, "Incorrect server");
var serving;
function validateRequest(request, sign, floID, pubKey) {
return new Promise((resolve, reject) => {
if (!serving)
reject(INCORRECT_SERVER_ERROR);
else if (!request.timestamp)
reject(INVALID(eCode.MISSING_PARAMETER, "Timestamp parameter missing"));
else if (Date.now() - SIGN_EXPIRE_TIME > request.timestamp)
reject(INVALID(eCode.EXPIRED_SIGNATURE, "Signature Expired"));
else if (!floCrypto.validateAddr(floID))
reject(INVALID(eCode.INVALID_FLO_ID, "Invalid floID"));
else if (typeof request !== "object")
reject(INVALID(eCode.INVALID_REQUEST_FORMAT, "Request is not an object"));
else validateRequest.getSignKey(floID, pubKey).then(signKey => {
let req_str = Object.keys(request).sort().map(r => r + ":" + request[r]).join("|");
try {
if (!floCrypto.verifySign(req_str, sign, signKey))
reject(INVALID(eCode.INVALID_SIGNATURE, "Invalid request signature"));
else validateRequest.checkIfSignUsed(sign)
.then(result => resolve(req_str))
.catch(error => reject(error))
} catch {
reject(INVALID(eCode.INVALID_SIGNATURE, "Corrupted sign/key"));
}
}).catch(error => reject(error));
});
}
validateRequest.getSignKey = (floID, pubKey) => new Promise((resolve, reject) => {
if (!pubKey)
DB.query("SELECT session_time, proxyKey FROM UserSession WHERE floID=?", [floID]).then(result => {
if (result.length < 1)
reject(INVALID(eCode.SESSION_INVALID, "Session not active"));
else if (result[0].session_time + MAX_SESSION_TIMEOUT < Date.now())
reject(INVALID(eCode.SESSION_EXPIRED, "Session Expired! Re-login required"));
else
resolve(result[0].proxyKey);
}).catch(error => reject(error));
else if (floCrypto.getFloID(pubKey) === floID)
resolve(pubKey);
else
reject(INVALID(eCode.INVALID_PUBLIC_KEY, "Invalid pubKey"));
});
validateRequest.checkIfSignUsed = sign => new Promise((resolve, reject) => {
DB.query("SELECT id FROM RequestLog WHERE sign=?", [sign]).then(result => {
if (result.length)
reject(INVALID(eCode.DUPLICATE_SIGNATURE, "Duplicate signature"));
else
resolve(true);
}).catch(error => reject(error))
});
function logRequest(floID, req_str, sign, proxy = false) {
//console.debug(floID, req_str);
DB.query("INSERT INTO RequestLog (floID, request, sign, proxy) VALUES (?)", [[floID, req_str, sign, proxy]])
.then(_ => null).catch(error => console.error(error));
}
function processRequest(res, floID, pubKey, sign, rText, validateObj, marketFn, log = true) {
validateRequest(validateObj, sign, floID, pubKey).then(req_str => {
marketFn().then(result => {
if (log) logRequest(floID, req_str, sign, !pubKey);
res.send(result);
}).catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str(rText + " failed! Try again later!"));
}
})
}).catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Request processing failed! Try again later!"));
}
})
}
/* User Requests */
function Account(req, res) {
let data = req.body;
validateRequest({
type: "get_account",
timestamp: data.timestamp
}, data.sign, data.floID, data.pubKey).then(req_str => {
market.getAccountDetails(data.floID).then(result => {
res.send(result);
});
}).catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Request processing failed! Try again later!"));
}
});
}
function Login(req, res) {
let data = req.body;
if (!data.code || data.hash != Crypto.SHA1(data.code + secret))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_LOGIN_CODE, "Invalid Code"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else
processRequest(res, data.floID, data.pubKey, data.sign, "Login", {
type: "login",
random: data.code,
proxyKey: data.proxyKey,
timestamp: data.timestamp
}, () => market.login(data.floID, data.proxyKey));
}
function Logout(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Logout", {
type: "logout",
timestamp: data.timestamp
}, () => market.logout(data.floID));
}
function PlaceSellOrder(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Sell order placement", {
type: "sell_order",
asset: data.asset,
quantity: data.quantity,
min_price: data.min_price,
timestamp: data.timestamp
}, () => market.addSellOrder(data.floID, data.asset, data.quantity, data.min_price));
}
function PlaceBuyOrder(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Buy order placement", {
type: "buy_order",
asset: data.asset,
quantity: data.quantity,
max_price: data.max_price,
timestamp: data.timestamp
}, () => market.addBuyOrder(data.floID, data.asset, data.quantity, data.max_price));
}
function CancelOrder(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Order cancellation", {
type: "cancel_order",
order: data.orderType,
id: data.orderID,
timestamp: data.timestamp
}, () => market.cancelOrder(data.orderType, data.orderID, data.floID));
}
/*Currently not used
function TransferAsset(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Token Transfer", {
type: "transfer_token",
receiver: JSON.stringify(data.receiver),
asset: data.asset,
timestamp: data.timestamp
}, () => market.transferAsset(data.floID, data.receiver, data.asset));
}
*/
function DepositAsset(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Deposit Asset", {
type: "deposit_asset",
txid: data.txid,
asset: data.asset,
timestamp: data.timestamp
}, () => market.depositAsset(data.floID, data.asset, data.txid));
}
function WithdrawAsset(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "Withdraw Asset", {
type: "withdraw_asset",
asset: data.asset,
amount: data.amount,
timestamp: data.timestamp
}, () => market.withdrawAsset(data.floID, data.asset, data.amount));
}
function GetUserTransacts(req, res) {
let data = req.body;
processRequest(res, data.floID, data.pubKey, data.sign, "User Transacts", {
type: "get_transact",
timestamp: data.timestamp
}, () => market.getUserTransacts(data.floID));
}
function GenerateSink(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Generate Sink", {
type: "generate_sink",
group: data.group,
timestamp: data.timestamp
}, () => sink.generate(data.group));
}
function ReshareSink(req, res) {
let data = req.body;
console.debug(data)
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else if (!floCrypto.validateAddr(data.id))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_VALUE, `Invalid ID ${data.id}`));
else processRequest(res, data.floID, data.pubKey, data.sign, "Reshare Sink", {
type: "reshare_sink",
id: data.id,
timestamp: data.timestamp
}, () => sink.reshare(data.id));
}
function DiscardSink(req, res) {
let data = req.body;
if (data.floID !== floGlobals.adminID)
res.status(INVALID.e_code).send(INVALID.str(eCode.ACCESS_DENIED, "Access Denied"));
else if (!data.pubKey)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "Public key missing"));
else processRequest(res, data.floID, data.pubKey, data.sign, "Discard Sink", {
type: "discard_sink",
id: data.id,
timestamp: data.timestamp
}, () => sink.discard(data.id));
}
/* Public Requests */
function GetLoginCode(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let randID = floCrypto.randString(8, true) + Math.round(Date.now() / 1000);
let hash = Crypto.SHA1(randID + secret);
res.send({
code: randID,
hash: hash
});
}
}
function ListSellOrders(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let asset = req.query.asset;
if (asset && !market.keys.assets.isTradeable(asset))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_ASSET_NAME, "Invalid asset parameter"));
else
DB.query("SELECT SellOrder.floID, SellOrder.asset, SellOrder.price, SellOrder.quantity, SellOrder.time_placed FROM SellOrder" +
" INNER JOIN UserBalance ON UserBalance.floID = SellOrder.floID AND UserBalance.asset = SellOrder.asset" +
" WHERE UserBalance.quantity >= SellOrder.quantity" +
(asset ? " AND SellOrder.asset = ?" : "") +
//" GROUP BY SellOrder.id" +
" ORDER BY SellOrder.price ASC, SellOrder.time_placed ASC" +
" LIMIT 100", [asset || null])
.then(result => res.send(result))
.catch(error => {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Try again later!"));
});
}
}
function ListBuyOrders(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let asset = req.query.asset;
if (asset && !market.keys.assets.isTradeable(asset))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_ASSET_NAME, "Invalid asset parameter"));
else
DB.query("SELECT BuyOrder.floID, BuyOrder.asset, BuyOrder.maxPrice, BuyOrder.quantity, BuyOrder.time_placed FROM BuyOrder" +
" INNER JOIN UserBalance ON UserBalance.floID = BuyOrder.floID AND UserBalance.asset = ?" +
" WHERE UserBalance.quantity >= BuyOrder.maxPrice * BuyOrder.quantity" +
(asset ? " AND BuyOrder.asset = ?" : "") +
//" GROUP BY BuyOrder.id" +
" ORDER BY BuyOrder.maxPrice DESC, BuyOrder.time_placed ASC" +
" LIMIT 100", [floGlobals.currency, asset || null])
.then(result => res.send(result))
.catch(error => {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Try again later!"));
});
}
}
function ListTradeTransactions(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let asset = req.query.asset;
if (asset && !market.keys.assets.isTradeable(asset))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_ASSET_NAME, "Invalid asset parameter"));
else
DB.query("SELECT * FROM TradeTransactions" +
(asset ? " WHERE asset = ?" : "") +
" ORDER BY tx_time DESC LIMIT 1000", [asset || null])
.then(result => res.send(result))
.catch(error => {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Try again later!"));
});
}
}
function GetSink(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let service = req.query.service;
if (!service)
service = serviceList.TRADE; //By default use TRADE service
else if (!(Object.values(serviceList).includes(service)))
res.status(INVALID.e_code).send(INVALID.str(eCode.INVALID_VALUE, "Invalid service parameter"));
else {
let group;
switch (service) {
case serviceList.TRADE: group = keys.sink_groups.TRADE; break;
}
res.send(keys.sink_chest.active_pick(group));
}
}
}
function GetRateHistory(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let asset = req.query.asset,
duration = req.query.duration || "";
market.getRateHistory(asset, duration)
.then(result => res.send(result))
.catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Unable to process! Try again later!"));
}
});
}
}
/*
function GetTransaction(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let txid = req.query.txid;
if (!txid)
res.status(INVALID.e_code).send(INVALID.str(eCode.MISSING_PARAMETER, "txid (transactionID) parameter missing"));
else market.getTransactionDetails(txid)
.then(result => res.send(result))
.catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Unable to process! Try again later!"));
}
});
}
}
*/
/*
function GetBalance(req, res) {
if (!serving)
res.status(INVALID.e_code).send(INCORRECT_SERVER_ERROR.toString());
else {
let floID = req.query.floID || req.query.addr,
asset = req.query.asset || req.query.asset;
market.getBalance(floID, asset)
.then(result => res.send(result))
.catch(error => {
if (error instanceof INVALID)
res.status(INVALID.e_code).send(error.toString());
else {
console.error(error);
res.status(INTERNAL.e_code).send(INTERNAL.str("Unable to process! Try again later!"));
}
});
}
}
*/
module.exports = {
GetLoginCode,
Login,
Logout,
PlaceBuyOrder,
PlaceSellOrder,
CancelOrder,
//TransferAsset,
ListSellOrders,
ListBuyOrders,
ListTradeTransactions,
GetRateHistory,
//GetTransaction,
//GetBalance,
GetSink,
Account,
DepositAsset,
WithdrawAsset,
GetUserTransacts,
//admin control
GenerateSink,
ReshareSink,
DiscardSink,
set secret(s) {
secret = s;
},
pause() {
serving = false;
background.periodicProcess.stop();
},
resume() {
serving = true;
background.periodicProcess.start();
}
};