adding fn module
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sairajzero
parent
8f01570058
commit
62ceb9cf03
161
index.html
161
index.html
@ -14,6 +14,8 @@
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FLO_TEST: ['https://testnet-flosight.duckdns.org/', 'https://testnet.flocha.in/']
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},
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adminID: "FKAEdnPfjXLHSYwrXQu377ugN4tXU7VGdf",
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application: "bondTest",
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productStr: "Product: Ranchimall Bitcoin Bond"
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}
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</script>
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<style>
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@ -22,7 +24,8 @@
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}
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</style>
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</head>
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<body>
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<body onload="onLoadStartUp()">
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<button id="refresh-btn">refresh</button>
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<script id="init_lib" version="1.0.1">
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//All util libraries required for Standard operations (DO NOT EDIT ANY)
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@ -8000,5 +8003,161 @@ Bitcoin.Util = {
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}
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}
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</script>
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<script>
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function onLoadStartUp() {
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compactIDB.initDB(floGlobals.application, {
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bonds: {},
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appendix: {}
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}).then(result => {
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getCurrentRates().then(rates => {
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USD_current = rates.USD;
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BTC_current = rates.BTC;
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compactIDB.readAllData("bonds")
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.then(bonds => renderData(bonds))
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.catch(error => console.error(error))
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refreshBtn.click();
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}).catch(error => console.error(error))
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}).catch(error => console.error(error))
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}
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function renderData(data) {
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console.info(data);
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for (let i in data) {
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let b = parseDetails(data[i])
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console.log(b.BTC_base, b.startDate, b.minIpa, b.maxPeriod, b.cut, b.amount, b.USD_base)
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//bond.netValue = calcNetValue(bond.BTC_base, )
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}
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}
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function parseDetails(data) {
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const magnitude = {
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"thousand": 1000,
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"lakh": 100000,
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"lakhs": 100000,
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"crore": 10000000,
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"crores": 10000000,
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}
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const parseNumber = (str) => {
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let n = 0, g = 0;
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str.replaceAll(',', '').split(" ").forEach(s => {
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console.info(s)
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if(s in magnitude){
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n+=magnitude[s]*g;
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g=0;
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}
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else if(!isNaN(s))
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g = parseFloat(s);
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})
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return n + g;
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}
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let details = {};
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data.split("|").forEach(d => {
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d = d.split(': ');
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switch (d[0]) {
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case "Product":
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details["product"] = d[1];
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break;
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case "Base value":
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details["BTC_base"] = parseNumber(d[1].slice(0, -4));
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break;
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case "Date of bond start":
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details["startDate"] = d[1];
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break;
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case "Guaranteed interest":
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details["minIpa"] = parseFloat(d[1].match(/\d+%/g).pop())/100;
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details["maxPeriod"] = parseFloat(d[1].match(/\d+ year/g).pop());
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break;
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case "Bond value":
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details["cut"] = parseFloat(d[1].match(/\d+%/g).pop())/100;
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break;
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case "Amount invested":
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details["amount"] = parseNumber(d[1].substring(3));
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break;
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case "USD INR rate at start":
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details["USD_base"] = parseFloat(d[1]);
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break;
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case "Lockin period":
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details["lockinPeriod"] = parseFloat(d[1].match(/\d+ year/g).pop());
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break;
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case "FLO ID of Bond Holder":
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details["floID"] = d[1];
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}
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})
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return details;
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}
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const refreshBtn = document.getElementById('refresh-btn');
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refreshBtn.addEventListener("click", evt => {
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refreshBlockchainData()
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.then(data => renderData(data))
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.catch(error => console.error(error))
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});
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function refreshBlockchainData() {
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return new Promise((resolve, reject) => {
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compactIDB.readData("appendix", "lastTx").then(lastTx => {
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floBlockchainAPI.readData(floGlobals.adminID, {
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ignoreOld: lastTx,
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sentOnly: true,
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txid: true,
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filter: d => d.startsWith(floGlobals.productStr)
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}).then(result => {
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let data = {}
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result.data.forEach(d => {
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compactIDB.addData('bonds', d[1], d[0])
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data[d[0]] = d[1];
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});
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compactIDB.writeData('appendix', result.totalTxs, "lastTx");
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resolve(data);
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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 getCurrentRates() {
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let fetchData = api => new Promise((resolve, reject) => {
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fetch(api).then(response => {
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if (response.ok)
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response.json().then(data => resolve(data))
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else
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reject(response)
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}).catch(error => reject(error))
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})
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return new Promise((resolve, reject) => {
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let f0 = fetchData(`https://api.ratesapi.io/api/latest?base=USD&symbols=INR`), // USD rate
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f1 = fetchData(`http://api.coindesk.com/v1/bpi/historical/close.json`); //BTC rate
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Promise.all([f0, f1]).then(result => {
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let USD = result[0]["rates"]["INR"],
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k = Object.keys(result[1]["bpi"]).sort().pop(),
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BTC = result[1]["bpi"][k];
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resolve({
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USD,
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BTC
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});
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}).catch(error => reject(error))
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})
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}
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function yrDiff(d1 = null, d2 = null) {
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d1 = d1 ? new Date(d1) : new Date();
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d2 = d2 ? new Date(d2) : new Date();
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let tmp = Math.abs(d2 - d1)
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tmp = Math.ceil(tmp / (1000 * 60 * 60 * 24)); // find number of days
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tmp = tmp / 365
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//need to implement leap yr
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return tmp
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}
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function calcNetValue(BTC_base, startDate, minIpa, maxPeriod, cut, amount, USD_base) {
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let gain, interest, net;
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gain = (BTC_current - BTC_base) / BTC_base;
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interest = Math.max(cut * gain, minIpa * Math.min(yrDiff(startDate), maxPeriod));
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net = amount / USD_base;
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net += net * interest;
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return net * USD_current;
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}
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</script>
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</body>
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</html>
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