RanchiMall/localbitcoinplusplus
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fixed exchange rates calculations

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This commit is contained in:
Abhishek Sinha 2019-07-03 14:28:56 +05:30
parent 6e0d2359bb
commit df12a39b43
1 changed files with 51 additions and 18 deletions
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69
supernode/index.html
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@ -10073,7 +10073,7 @@
// btcTradeMargin is tolerable difference between Crypto trader should deposit and cryptos he actually deposited
RMAssets =
`masterFLOPubKey=029EF7838D4D103E62262394B5417E8ABFD75539D19E61CA5FD0C2051B69B29910
#!#tradableAsset1=BTC,FLO,BTC_TEST,FLO_TEST#!#tradableAsset2=INR,USD,BTC,FLO,BTC_TEST,FLO_TEST,
#!#tradableAsset1=BTC,FLO,BTC_TEST,FLO_TEST#!#tradableAsset2=INR,USD,
#!#validTradingAmount=10,50,100,#!#btcTradeMargin=5000
#!#MaxBackups=2
#!#miners_fee={"btc":0.0003, "flo":0.0003}
@ -14377,7 +14377,26 @@
throw new Error(err_msg);
},
get_current_crypto_price_in_fiat(crypto_code, currency_code) {
return localbitcoinplusplus.trade[`current_${crypto_code}_price_in_${currency_code}`];
let current_rate_obj = localbitcoinplusplus.trade[`current_${crypto_code}_price_in_${currency_code}`];
if (typeof current_rate_obj=="object"
&& localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(current_rate_obj.supernode_pub_key)) {
let rate_obj = {
id: `${current_rate_obj.crypto_code}_${current_rate_obj.currency_code}`,
crypto_code: crypto_code,
currency_code: currency_code,
rate: current_rate_obj.rate,
timestamp: current_rate_obj.timestamp
};
const rate_obj_str = JSON.stringify(rate_obj);
const rate_obj_hash = Crypto.SHA256(rate_obj_str);
const RM_WALLET = new localbitcoinplusplus.wallets;
if (RM_WALLET.verify(rate_obj_hash, current_rate_obj.sign, current_rate_obj.supernode_pub_key)) {
return current_rate_obj;
}
return false;
}
},
async resolve_current_crypto_price_in_fiat(crypto_code, currency_code) {
let today = + new Date();
@ -14386,8 +14405,7 @@
currency_code);
if (typeof last_update_of_fiat_price_obj !== "object" ||
(today - last_update_of_fiat_price_obj.timestamp > 3600000)) {
last_update_of_fiat_price_obj = await RM_TRADE.set_current_crypto_price_in_fiat(crypto_code,
currency_code);
last_update_of_fiat_price_obj = await RM_TRADE.set_current_crypto_price_in_fiat(crypto_code, currency_code);
return last_update_of_fiat_price_obj;
} else {
return last_update_of_fiat_price_obj;
@ -14419,15 +14437,15 @@
})
});
},
fiat_to_crypto_exchange_rate(fiat="USD", crypto="BTC") {
fiat_to_crypto_exchange_rate(crypto_code="", fiat="") {
return new Promise((resolve, reject)=>{
if (crypto=="BTC") {
if (crypto_code=="BTC") {
helper_functions.ajaxGet('https://api.coinmarketcap.com/v1/ticker/?limit=5')
.then(async res=>{
if(typeof res== 'object') {
let btc_obj = res.filter(f=>f.id=='bitcoin');
console.log(btc_obj[0].price_usd);
new_price = btc_obj[0].price_usd;
let new_price = btc_obj[0].price_usd;
if (typeof btc_obj[0].price_usd=="number") {
if (fiat=="INR") {
let usd_to_fiat_price = await this.usd_to_fiat_exchange_rate(fiat);
@ -14443,7 +14461,7 @@
helper_functions.ajaxGet(`https://api.coindesk.com/v1/bpi/currentprice.json`)
.then(async res=>{
if (typeof res=="object" && typeof res.bpi.USD.rate_float=="number") {
new_price = res.bpi.USD.rate_float;
let new_price = res.bpi.USD.rate_float;
if (fiat=="INR") {
let usd_to_fiat_price = await this.usd_to_fiat_exchange_rate(fiat);
new_price = Number(new_price*usd_to_fiat_price);
@ -14455,11 +14473,11 @@
}
});
});
} else if(crypto=="FLO") {
} else if(crypto_code=="FLO") {
helper_functions.ajaxGet('https://min-api.cryptocompare.com/data/histoday?fsym=FLO&tsym=USD&limit=1&aggregate=3&e=CCCAGG')
.then(async res=>{
if(typeof res== 'object' && typeof res.Data[0].close=="number") {
new_price = res.Data[0].close;
let new_price = res.Data[0].close;
if (fiat=="INR") {
let usd_to_fiat_price = await this.usd_to_fiat_exchange_rate(fiat);
new_price = Number(new_price*usd_to_fiat_price);
@ -14473,8 +14491,11 @@
});
},
async set_current_crypto_price_in_fiat(crypto_code, currency_code) {
if (!localbitcoinplusplus.master_configurations.tradableAsset1.includes(crypto_code) ||
!localbitcoinplusplus.master_configurations.tradableAsset2.includes(currency_code)) return false;
if (!localbitcoinplusplus.master_configurations.tradableAsset1.includes(crypto_code)
|| !localbitcoinplusplus.master_configurations.tradableAsset2.includes(currency_code)
|| !localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return false;
let new_price = 0;
if (crypto_code=="BTC" && currency_code=="USD") {
@ -14487,7 +14508,7 @@
new_price = await this.fiat_to_crypto_exchange_rate(crypto_code, currency_code);
}
if (crypto_code=="BTC_TEST" && currency_code=="INR") {
new_price = await this.fiat_to_crypto_exchange_rate(BTC_TEST, currency_code);
new_price = await this.fiat_to_crypto_exchange_rate("BTC", currency_code);
}
if (crypto_code=="FLO" && currency_code=="USD") {
new_price = await this.fiat_to_crypto_exchange_rate(crypto_code, currency_code);
@ -14499,17 +14520,29 @@
new_price = await this.fiat_to_crypto_exchange_rate(crypto_code, currency_code);
}
if (crypto_code=="FLO_TEST" && currency_code=="INR") {
new_price = await this.fiat_to_crypto_exchange_rate("FLO_TEST", currency_code);
new_price = await this.fiat_to_crypto_exchange_rate("FLO", currency_code);
}
if(typeof new_price !== "number" || new_price<=0) throw new Error(`WARNING: Failed to get price.`);
let rate_obj = {
id: `${crypto_code}_${currency_code}`,
crypto_code: crypto_code,
currency_code: currency_code,
rate: new_price,
timestamp: +new Date()
};
const rate_obj_str = JSON.stringify(rate_obj);
const rate_obj_hash = Crypto.SHA256(rate_obj_str);
const RM_WALLET = new localbitcoinplusplus.wallets;
const rate_obj_sign = RM_WALLET.sign(rate_obj_hash, localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY);
rate_obj['supernode_pub_key'] = localbitcoinplusplus.wallets.my_local_flo_public_key;
rate_obj['sign'] = rate_obj_sign;
console.log(rate_obj);
Object.defineProperty(localbitcoinplusplus.trade,
`current_${crypto_code}_price_in_${currency_code}`, {
value: {
rate: new_price,
timestamp: +new Date()
},
value: rate_obj,
writable: true,
configurable: false,
enumerable: true