Convert Values
- Convert can now be done in certain values if configured
This commit is contained in:
sairajzero
parent
6c0237b0b5
commit
b029c0ec30
@ -33,7 +33,13 @@ module.exports = {
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REC_HISTORY_INTERVAL: 1 * 60 * 60 * 1000, //1 hr
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},
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convert: {
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MIN_FUND: 0.3 // 30%
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MIN_FUND: 0.3, // 30%
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TO_FIXED_VALUES: [250, 500],
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TO_MIN_VALUE: 1000,
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TO_MAX_VALUE: 10000,
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FROM_FIXED_VALUES: [0.01],
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FROM_MIN_VALUE: 0.0001,
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FROM_MAX_VALUE: 10000,
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},
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backup: {
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HASH_N_ROW: 100,
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@ -1,10 +1,19 @@
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'use strict';
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const DB = require("../database");
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const { MIN_FUND } = require('../_constants')['convert'];
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const eCode = require('../../docs/scripts/floExchangeAPI').errorCode;
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const pCode = require('../../docs/scripts/floExchangeAPI').processCode;
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const {
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MIN_FUND,
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TO_FIXED_VALUES,
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TO_MAX_VALUE,
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TO_MIN_VALUE,
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FROM_FIXED_VALUES,
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FROM_MAX_VALUE,
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FROM_MIN_VALUE
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} = require('../_constants')['convert'];
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const allowedConversion = ["BTC"];
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function BTC_INR() {
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@ -43,14 +52,14 @@ function USD_INR() {
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});
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}
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function checkPoolBalance(coin, req_value, mode) {
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function getPoolAvailability(coin) {
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return new Promise((resolve, reject) => {
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if (!allowedConversion.includes(coin))
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return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
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let q = "SELECT mode, SUM(quantity) AS coin_val, SUM(amount) AS cash_val FROM (" +
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"(SELECT amount, coin, quantity, mode, r_status FROM DirectConvert) UNION " +
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"(SELECT amount, coin, quantity, mode, r_status FROM ConvertFund) " +
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") AS T1 WHERE T1.coin=? AND T1.r_status NOT IN (?) GROUP BY T1.mode"
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") AS T1 WHERE T1.coin=? AND T1.r_status NOT IN (?) GROUP BY T1.mode";
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DB.query(q, [coin, [pCode.STATUS_REJECTED]]).then(result => {
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let coin_net = 0, cash_net = 0;
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for (let r of result)
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@ -63,18 +72,59 @@ function checkPoolBalance(coin, req_value, mode) {
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}
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BTC_INR().then(rate => {
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coin_net = coin_net * rate;
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let cash_availability = cash_net - coin_net * MIN_FUND,
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coin_availability = (coin_net - cash_net * MIN_FUND) / rate;
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if (cash_availability < 0) cash_availability = 0;
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if (coin_availability < 0) coin_availability = 0;
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resolve({ cash: cash_availability, coin: coin_availability, rate })
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}).catch(error => reject(error))
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}).catch(error => reject(error))
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})
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}
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function checkPoolBalance(coin, req_value, mode) {
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return new Promise((resolve, reject) => {
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getPoolAvailability(coin).then(result => {
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let availability = -1;
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if (mode == pCode.CONVERT_MODE_GET)
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availability = coin_net - cash_net * MIN_FUND;
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if (mode == pCode.CONVERT_MODE_GET) {
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availability = result.coin;
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req_value = req_value / result.rate; //convert to coin value
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}
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else if (mode == pCode.CONVERT_MODE_PUT) {
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availability = cash_net - coin_net * MIN_FUND;
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req_value = req_value * rate; //convert to currency value
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availability = result.cash;
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req_value = req_value * result.rate; //convert to currency value
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}
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if (req_value > availability)
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reject(INVALID(eCode.INSUFFICIENT_FUND, `Insufficient convert! Availability: ${availability > 0 ? availability : 0}`));
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else
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resolve(true);
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}).catch(error => reject(error))
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})
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}
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function getConvertValues() {
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return new Promise((resolve, reject) => {
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getPoolAvailability("BTC").then(avail => {
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let result = {};
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if (avail.coin > 0) {
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let coin_availability = avail.coin * avail.rate; //convert to currency value
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if (Array.isArray(TO_FIXED_VALUES) && TO_FIXED_VALUES.length)
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result[pCode.CONVERT_MODE_GET] = TO_FIXED_VALUES.filter(a => a < coin_availability);
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else if (!TO_MIN_VALUE || TO_MIN_VALUE <= coin_availability) {
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result[pCode.CONVERT_MODE_GET] = { min: 0 };
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result[pCode.CONVERT_MODE_GET].max = (!TO_MAX_VALUE || TO_MIN_VALUE >= coin_availability) ? coin_availability : TO_MAX_VALUE;
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}
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}
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if (avail.cash > 0) {
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let cash_availability = avail.cash / avail.rate; //convert to coin value
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if (Array.isArray(FROM_FIXED_VALUES) && FROM_FIXED_VALUES.length)
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result[pCode.CONVERT_MODE_GET] = FROM_FIXED_VALUES.filter(a => a < cash_availability);
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else if (!FROM_MIN_VALUE || FROM_MIN_VALUE <= cash_availability) {
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result[pCode.CONVERT_MODE_GET] = { min: 0 };
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result[pCode.CONVERT_MODE_GET].max = (!FROM_MAX_VALUE || FROM_MIN_VALUE >= cash_availability) ? cash_availability : FROM_MAX_VALUE;
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}
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}
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resolve(result)
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}).catch(error => reject(error))
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})
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}
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@ -85,6 +135,11 @@ function convertToCoin(floID, txid, coin, amount) {
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return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
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else if (typeof amount !== "number" || amount <= 0)
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid amount (${amount})`));
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else if (Array.isArray(TO_FIXED_VALUES) && TO_FIXED_VALUES.length) {
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if (!TO_FIXED_VALUES.includes(amount))
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid amount (${amount})`));
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} else if (TO_MIN_VALUE && TO_MIN_VALUE > amount || TO_MAX_VALUE && TO_MAX_VALUE < amount)
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid amount (${amount})`));
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DB.query("SELECT r_status FROM DirectConvert WHERE in_txid=? AND floID=? AND mode=?", [txid, floID, pCode.CONVERT_MODE_GET]).then(result => {
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if (result.length)
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return reject(INVALID(eCode.DUPLICATE_ENTRY, "Transaction already in process"));
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@ -95,7 +150,7 @@ function convertToCoin(floID, txid, coin, amount) {
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}).catch(error => {
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if (error instanceof INVALID && error.ecode === eCode.INSUFFICIENT_FUND)
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DB.query("INSERT INTO DirectConvert(floID, in_txid, mode, coin, amount, r_status) VALUES (?)", [[floID, txid, pCode.CONVERT_MODE_GET, coin, amount, pCode.STATUS_REJECTED]]).then(result => {
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DB.query("INSERT INTO RefundTransact(floID, in_txid, asset_type, asset, r_status) VALUES (?)", [[floID, txid, pCode.ASSET_TYPE_TOKEN, floGlobals.currency, pCode.STATUS_PENDING]])
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DB.query("INSERT INTO RefundConvert(floID, in_txid, asset_type, asset, r_status) VALUES (?)", [[floID, txid, pCode.ASSET_TYPE_TOKEN, floGlobals.currency, pCode.STATUS_PENDING]])
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.then(_ => null).catch(error => console.error(error));
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}).catch(error => console.error(error))
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reject(error);
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@ -110,6 +165,11 @@ function convertFromCoin(floID, txid, tx_hex, coin, quantity) {
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return reject(INVALID(eCode.INVALID_TOKEN_NAME, `Invalid coin (${coin})`));
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else if (typeof quantity !== "number" || quantity <= 0)
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid quantity (${quantity})`));
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else if (Array.isArray(FROM_FIXED_VALUES) && FROM_FIXED_VALUES.length) {
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if (!FROM_FIXED_VALUES.includes(quantity))
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid quantity (${quantity})`));
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} else if (FROM_MIN_VALUE && FROM_MIN_VALUE > quantity || FROM_MAX_VALUE && FROM_MAX_VALUE < quantity)
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return reject(INVALID(eCode.INVALID_NUMBER, `Invalid quantity (${quantity})`));
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else if (btcOperator.transactionID(tx_hex) !== txid)
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return reject(INVALID(eCode.INVALID_TX_ID, `txid ${txid} doesnt match the tx-hex`));
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DB.query("SELECT r_status FROM DirectConvert WHERE in_txid=? AND floID=? AND mode=?", [txid, floID, pCode.CONVERT_MODE_PUT]).then(result => {
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@ -209,6 +269,7 @@ module.exports = {
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USD_INR,
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BTC_INR
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},
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getConvertValues,
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convertToCoin,
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convertFromCoin,
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depositFund: {
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