adding backend module
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sairajzero
parent
d7d36b6b0e
commit
e74ef43546
255
index.html
255
index.html
@ -22,7 +22,7 @@
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</script>
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</head>
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<body>
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<body onload="onLoadStartUp()">
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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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@ -8001,5 +8001,258 @@ Bitcoin.Util = {
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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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terms: {},
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funds: {},
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appendix: {}
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}).then(result => refreshBtn.click())
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.catch(error => console.error(error))
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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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getCurrentRates().then(rates => {
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USD_current = rates.USD_INR;
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BTC_current = rates.BTC_USD;
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console.log(`USD rate: ${USD_current} INR\nBTC rate: ${BTC_current} USD`);
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document.getElementById("usd-rate").textContent = rates.USD_INR.toFixed(2);
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document.getElementById("btc-usd-rate").textContent = rates.BTC_USD.toFixed(2);
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document.getElementById("btc-inr-rate").textContent = rates.BTC_INR.toFixed(2);
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document.getElementById("bond-list-body").innerHTML = '';
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compactIDB.readAllData("terms").then(terms => {
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renderTerms(terms);
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for (let floID in terms) {
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let term = parseTerm(terms[floID])
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compactIDB.searchData("funds", {
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lowerKey: floID + "|",
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upperKey: floID + "||"
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}).then(funds => renderFunds(term, funds))
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.catch(error => console.error(error))
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getFundsFromBlockchain(floID)
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.then(funds => renderFunds(term, funds))
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.catch(error => console.error(error))
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}
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}).catch(error => console.error(error));
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getTermsFromBlockchain().then(terms => {
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renderTerms(terms);
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for (let floID in terms) {
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let term = parseTerm(terms[floID])
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getFundsFromBlockchain(floID)
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.then(funds => renderFunds(term, funds))
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.catch(error => console.error(error))
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}
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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 getTermsFromBlockchain() {
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return new Promise((resolve, reject) => {
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compactIDB.readData("appendix", "lastTx" + floGlobals.adminID).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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const addTerm = (txid, data) => Promise((res, rej) => {
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let floID = data.match(/Bond issuing authorized FLO ID: [a-zA-Z0-9]{34}/i).split(": ")[1];
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compactIDB.addData('terms', {
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data,
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txid
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}, floID).then(result => res({
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floID,
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data,
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txid
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}))
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.catch(error => rej(error))
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});
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Promise.allSettled(result.data.reverse().map(d => addTerm(d[0], d[1]))).then(results => {
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let newTerms = {}
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results.forEach(r => r.status === "fulfilled" ? newTerms[r.value.floID] = r.value : null)
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resolve(newTerms)
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})
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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 getFundsFromBlockchain(floID) {
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return new Promise((resolve, reject) => {
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compactIDB.readData("appendix", "lastTx|" + floID).then(lastTx => {
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floBlockchainAPI.readData(floID, {
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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('funds', d[1], floID + "|" + 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|" + floGlobals.adminID);
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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 parseTerm(str) {
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const parsePeriod = (str) => {
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let n;
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str.toLowerCase().replace(/,/g, '').split(" ").forEach(s => {
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if (!isNaN(s))
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n = parseFloat(s);
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else if (s === "a")
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n = 1;
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else switch (s) {
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case "year(s)":
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case "year":
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case "years":
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return n;
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case "month(s)":
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case "month":
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case "months":
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return n / 12;
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case "week(s)":
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case "week":
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case "weeks":
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return n / 52.1429;
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case "day(s)":
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case "day":
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case "days":
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return n / 365;
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}
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});
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return y;
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}
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let term = {}
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str.split("|").forEach(s => {
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if (/^Bonds need to be held for/i.test(s))
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term["maxPeriod"] = parsePeriod();
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else if (/^Fund Management Fees:/i.test(s))
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term["fee"] = parseFloat(s.substring("Fund Management Fees:".length).trim());
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else if(/^Bond issuing authorized FLO ID:/i)
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term["floID"] = s.substring("Bond issuing authorized FLO ID:".length).trim();
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else if (/^Tap out period/i.test(s)){
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let x = s.substring("Tap out period available ".length).toLowerCase().split("after")
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term["topoutWindow"] = parsePeriod(x[0]);
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term["tapoutInterval"] = x[1].match(/\d+ [a-z]+/gi).map(y => parsePeriod(y))
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}
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})
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}
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function renderFunds(term, funds) {
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console.info(term);
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funds.forEach(fund => {
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let f = parseFunds(fund);
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console.info(f);
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for (let h in f.amounts) {
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let netVal = calcNetValue(f.BTC_base, f.USD_base, f.start_date, f.amounts[h], term.fee);
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console.info(h, f.amounts[h], netVal);
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}
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})
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}
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function parseFunds(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,
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g = 0;
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str.toLowerCase().replace(/,/g, '').split(" ").forEach(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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} 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 funds = {}
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data.split("|").forEach(d => {
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d = d.split(': ');
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switch (d[0].toLowerCase()) {
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case "fund start date":
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funds["start_date"] = d[1];
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break;
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case "base value":
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funds["BTC_base"] = parseFloat(d[1].slice(0, -4));
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break;
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case "usd inr rate at start":
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funds["USD_base"] = parseFloat(d[1]);
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break;
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case "funds (inr)":
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funds["amounts"] = {};
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d = d[1].substring(1, -1).split(",").forEach(x => {
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x = x.split(":");
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funds[x[0]] = parseNumber(x[1]);
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});
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break;
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}
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})
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}
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function dateFormat(date = null) {
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let d = date ? new Date(date) : new Date();
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d = d.toDateString();
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return [d.substring(8, 10), d.substring(4, 7), d.substring(11, 15)].join(" ")
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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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fetchData(`https://bitpay.com/api/rates`).then(result => {
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let BTC_USD, BTC_INR, USD_INR
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for (let i of result)
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i.code == "USD" ? BTC_USD = i.rate : i.code == "INR" ? BTC_INR = i.rate : null;
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USD_INR = BTC_INR / BTC_USD;
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resolve({
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BTC_USD,
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BTC_INR,
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USD_INR
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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.floor(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, USD_base, startDate, amount, fee) {
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let gain, interest, net;
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gain = (BTC_current - BTC_base) / BTC_base;
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interest = gain * (1 - fee)
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net = amount / USD_base;
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net += net * interest;
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//console.info(gain, interest, net)
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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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