RanchiMall/localbitcoinplusplus
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added resolve_current_btc_price_in_fiat fn

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This commit is contained in:
Abhishek Sinha 2019-01-17 21:28:35 +05:30
parent bb7d29aa71
commit e613a94a73
1 changed files with 60 additions and 54 deletions
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114
supernode/index.html
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@ -10534,39 +10534,50 @@
if (localbitcoinplusplus.master_configurations.validTradingAmount.includes(btc_buy_price)) { if (localbitcoinplusplus.master_configurations.validTradingAmount.includes(btc_buy_price)) {
if(!localbitcoinplusplus.master_configurations.tradableAsset2.includes(currency)) return false; if(!localbitcoinplusplus.master_configurations.tradableAsset2.includes(currency)) return false;
let current_btc_price = localbitcoinplusplus.trade.prototype.get_current_btc_price_in_fiat(currency); let current_btc_price = localbitcoinplusplus.trade.prototype.get_current_btc_price_in_fiat(currency);
if (current_btc_price > 0) { if (typeof current_btc_price=="object" && current_btc_price.rate > 0) {
return parseFloat(btc_buy_price / current_btc_price).toFixed(8); return parseFloat(btc_buy_price / current_btc_price.rate).toFixed(8);
} }
} }
return null; throw new Error("Failed to calculate BTC equivalent of cash.");
}, },
get_current_btc_price_in_fiat(currency_code) { get_current_btc_price_in_fiat(currency_code) {
return eval(`localbitcoinplusplus.trade.current_btc_price_in_${currency_code}`); return localbitcoinplusplus.trade[`current_btc_price_in_${currency_code}`];
}, },
set_current_btc_price_in_fiat(currency_code) { async resolve_current_btc_price_in_fiat(currency_code) {
let url = `https://api.coindesk.com/v1/bpi/currentprice/${currency_code}.json`; let today = + new Date();
helper_functions.ajaxGet(url, function (res) { let last_update_of_fiat_price_obj = localbitcoinplusplus.trade.prototype.get_current_btc_price_in_fiat(currency_code);
if (typeof res == "string" && res.length > 0) { if(typeof last_update_of_fiat_price_obj!=="object"
try { || (today-last_update_of_fiat_price_obj.timestamp>3600000)) {
let res_object = JSON.parse(res); last_update_of_fiat_price_obj = await localbitcoinplusplus.trade.prototype.set_current_btc_price_in_fiat(currency_code);
return Object.defineProperty(localbitcoinplusplus.trade, return last_update_of_fiat_price_obj;
`current_btc_price_in_${currency_code}`, { } else {
value: {rate:eval(`res_object.bpi.${currency_code}.rate_float`), return last_update_of_fiat_price_obj;
timestamp: + new Date()}, }
writable: false, },
configurable: true, async set_current_btc_price_in_fiat(currency_code) {
enumerable: true const url = `https://api.coindesk.com/v1/bpi/currentprice/${currency_code}.json`;
}); const res = await helper_functions.ajaxGet(url);
} catch (error) { if (typeof res == "object" && typeof res.bpi =="object") {
console.error(error); try {
return false; let new_price = res.bpi[`${currency_code}`].rate_float;
} await Object.defineProperty(localbitcoinplusplus.trade,
`current_btc_price_in_${currency_code}`, {
value: {rate:new_price,
timestamp: + new Date()},
writable: true,
configurable: false,
enumerable: true
});
return localbitcoinplusplus.trade[`current_btc_price_in_${currency_code}`];
} catch (error) {
console.error(error);
return false;
} }
}); }
}, },
sendTransaction(utxo_addr, utxo_addr_wif, receiver_address, receiving_amount, receiving_amount_currency="USD", change_adress, callback) { sendTransaction(utxo_addr, utxo_addr_wif, receiver_address, receiving_amount, receiving_amount_currency="USD", change_adress, callback) {
let url = `${localbitcoinplusplus.flocha}/api/addr/${utxo_addr}/utxo`; let url = `${localbitcoinplusplus.flocha}/api/addr/${utxo_addr}/utxo`;
helper_functions.ajaxGet(url, function (res) { helper_functions.ajaxGet(url).then(res=>{
if (res.length > 0) { if (res.length > 0) {
try { try {
@ -10929,41 +10940,36 @@
<script> <script>
let helper_functions = { let helper_functions = {
// AJAX Get // AJAX Get
ajaxGet: function (url, callback) { ajaxGet: async function (url) {
try { try {
var xhr = new XMLHttpRequest(); //await the response of the fetch call
xhr.open('GET', url); let response = await fetch(url);
xhr.onload = function () { //proceed once the first promise is resolved.
if (xhr.status === 200) { let data = await response.json()
callback(xhr.responseText); //proceed only when the second promise is resolved
} else { return data;
throw new Error(`Request to ${url} failed: ${xhr.status}`);
}
};
xhr.send();
} catch (error) { } catch (error) {
throw new Error(error); throw new Error(error);
} }
}, },
//AJAX Post //AJAX Post
ajaxPost: function (url, data, callback) { ajaxPost: function (url = ``, data = {}) {
xhttp = new XMLHttpRequest(); return fetch(url, {
method: "POST", // *GET, POST, PUT, DELETE, etc.
xhttp.onreadystatechange = function() { mode: "cors", // no-cors, cors, *same-origin
if (this.readyState == 4 && this.status == 200) { cache: "no-cache", // *default, no-cache, reload, force-cache, only-if-cached
console.log(this.responseText); credentials: "same-origin", // include, *same-origin, omit
callback(this.responseText); headers: {
} else { "Content-Type": "application/json",
callback(false); // "Content-Type": "application/x-www-form-urlencoded",
throw new Error(`Request to ${url} failed: ${xhttp.status}`); },
} redirect: "follow", // manual, *follow, error
}; referrer: "no-referrer", // no-referrer, *client
body: JSON.stringify(data), // body data type must match "Content-Type" header
xhttp.open('POST', url, true); })
xhttp.setRequestHeader('Content-Type', 'application/json'); .then(response => response.json()); // parses response to JSON
xhttp.send(JSON.stringify(data)); },
},
// Create unique id // Create unique id
unique_id: function () { unique_id: function () {
@ -11216,7 +11222,7 @@
}); });
} }
} catch (error) { } catch (error) {
throw new Error(''); throw new Error(error);
} }
} }
break; break;
@ -12553,7 +12559,7 @@
try { try {
//let url = `https://blockchain.info/q/addressbalance/${BTCAddress}?confirmations=6`; //let url = `https://blockchain.info/q/addressbalance/${BTCAddress}?confirmations=6`;
let url = `https://testnet.flocha.in/api/addr/${trader_deposits.btc_address}/balance`; let url = `https://testnet.flocha.in/api/addr/${trader_deposits.btc_address}/balance`;
helper_functions.ajaxGet(url, function (balance) { helper_functions.ajaxGet(url).then(balance=> {
if (!isNaN(balance) && parseFloat(balance) > 0) { if (!isNaN(balance) && parseFloat(balance) > 0) {
balance = parseFloat(balance); balance = parseFloat(balance);