improved launchTrade function
This commit is contained in:
Abhishek Sinha
parent
7a9204d308
commit
8c7fa7a25d
424
index.html
424
index.html
@ -11627,7 +11627,7 @@
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const ENVR = 'TEST'; // LIVE, TEST
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const WS = 'ws';
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const DBName = "localbitcoinDB";
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const DBName = "localbitcoinDBRemote";
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if(ENVR === 'LIVE') {
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@ -20331,19 +20331,19 @@
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RM_TRADE.launchTrade(
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buyPipe.value[i],
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sellPipe.value[i],
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function(supernode_res) {
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if (typeof supernode_res == "object") {
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RM_RPC.send_rpc
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backup_db
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).then(supernode_res=>{
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if (supernode_res!==false
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&& typeof supernode_res == "object") {
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RM_RPC.send_rpc
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.call(
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this,
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"trade_balance_updates",
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supernode_res
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this,
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"trade_balance_updates",
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supernode_res
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)
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.then(server_res => doSend(server_res));
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}
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},
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backup_db
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);
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});
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}
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}
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}
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@ -20356,7 +20356,7 @@
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console.error(e);
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}
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},
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launchTrade(buyPipeObj, sellPipeObj, callback, backup_db = "") {
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async launchTrade(buyPipeObj, sellPipeObj, backup_db = "") {
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let _addDB = addDB;
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let _readDB = readDB;
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let _readDBbyIndex = readDBbyIndex;
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@ -20366,203 +20366,172 @@
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let _removeByIndex = removeByIndex;
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let _removeAllinDB = removeAllinDB;
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if (typeof backup_db == "string" && backup_db.length > 0) {
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if (
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typeof localbitcoinplusplus.newBackupDatabase.db[backup_db] ==
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"object"
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) {
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const foreign_db =
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localbitcoinplusplus.newBackupDatabase.db[backup_db];
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_addDB = foreign_db.backup_addDB.bind(foreign_db);
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_readDB = foreign_db.backup_readDB.bind(foreign_db);
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_readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
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_readAllDB = foreign_db.backup_readAllDB.bind(foreign_db);
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_updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
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_removeinDB = foreign_db.backup_removeinDB.bind(foreign_db);
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_removeByIndex = foreign_db.backup_removeByIndex.bind(foreign_db);
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} else {
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err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`;
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showMessage(err_msg);
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throw new Error(err_msg);
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}
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}
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if (
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buyPipeObj.order_type == "buy" &&
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sellPipeObj.order_type == "sell" &&
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buyPipeObj.buy_price == sellPipeObj.buy_price &&
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buyPipeObj.currency == sellPipeObj.currency &&
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buyPipeObj.product == sellPipeObj.product
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) {
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const RM_TRADE = new localbitcoinplusplus.trade();
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const RM_WALLET = new localbitcoinplusplus.wallets();
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let err_msg;
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// Check buyer's cash balance
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const buyer_cash_id = `${buyPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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_readDB("cash_balances", buyer_cash_id).then(function(
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buyPipeCashRes
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) {
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if (
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typeof buyPipeCashRes == "object" &&
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typeof buyPipeCashRes.cash_balance == "number"
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typeof localbitcoinplusplus.newBackupDatabase.db[backup_db] ==
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"object"
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) {
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let buyer_cash_balance = parseFloat(
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buyPipeCashRes.cash_balance
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);
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let buy_price_btc = parseFloat(buyPipeObj.buy_price);
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if (buyer_cash_balance < buy_price_btc) {
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err_msg = "Insufficient cash balance of buyer.";
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const foreign_db =
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localbitcoinplusplus.newBackupDatabase.db[backup_db];
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_addDB = foreign_db.backup_addDB.bind(foreign_db);
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_readDB = foreign_db.backup_readDB.bind(foreign_db);
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_readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
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_readAllDB = foreign_db.backup_readAllDB.bind(foreign_db);
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_updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
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_removeinDB = foreign_db.backup_removeinDB.bind(foreign_db);
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_removeByIndex = foreign_db.backup_removeByIndex.bind(foreign_db);
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} else {
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err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`;
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showMessage(err_msg);
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throw new Error(err_msg);
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}
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// calculate equivalent BTC for x amount of Cash
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let eqBTCBuyer = RM_TRADE.calculateCryptoEquivalentOfCash(
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buy_price_btc,
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buyPipeObj.currency,
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buyPipeObj.product
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);
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}
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if (
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buyPipeObj.order_type == "buy" &&
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sellPipeObj.order_type == "sell" &&
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buyPipeObj.buy_price == sellPipeObj.buy_price &&
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buyPipeObj.currency == sellPipeObj.currency &&
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buyPipeObj.product == sellPipeObj.product
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) {
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const RM_TRADE = new localbitcoinplusplus.trade();
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const RM_WALLET = new localbitcoinplusplus.wallets();
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let err_msg;
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// Check buyer's cash balance
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const buyer_cash_id = `${buyPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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const buyPipeCashRes = await _readDB("cash_balances", buyer_cash_id);
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if (
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!isNaN(eqBTCBuyer) &&
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eqBTCBuyer != "" &&
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eqBTCBuyer != undefined
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typeof buyPipeCashRes == "object" &&
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typeof buyPipeCashRes.cash_balance == "number"
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) {
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eqBTCBuyer = helper_functions.truncateDecimals(eqBTCBuyer);
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}
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let buyer_cash_balance = parseFloat(buyPipeCashRes.cash_balance);
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// Check seller's crypto balance
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let seller_btc_id = `${sellPipeObj.trader_flo_address}_${sellPipeObj.product}`;
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_readDB("crypto_balances", seller_btc_id).then(function(
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sellPipeBTCRes
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) {
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if (
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typeof sellPipeBTCRes == "object" &&
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typeof sellPipeBTCRes.crypto_balance == "number"
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) {
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let seller_btc_balance = helper_functions.truncateDecimals(sellPipeBTCRes.crypto_balance);
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let sell_price_in_inr = parseFloat(sellPipeObj.buy_price);
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let eqBTCSeller = RM_TRADE.calculateCryptoEquivalentOfCash(
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sell_price_in_inr,
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let buy_price_btc = parseFloat(buyPipeObj.buy_price);
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if (buyer_cash_balance < buy_price_btc) {
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err_msg = "Insufficient cash balance of buyer.";
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console.warn(err_msg);
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return false;
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}
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// calculate equivalent BTC for x amount of Cash
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let eqBTCBuyer = RM_TRADE.calculateCryptoEquivalentOfCash(
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buy_price_btc,
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buyPipeObj.currency,
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buyPipeObj.product
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);
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if (
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!isNaN(eqBTCSeller) &&
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eqBTCSeller != "" &&
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eqBTCSeller != undefined
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!isNaN(eqBTCBuyer) &&
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eqBTCBuyer != "" &&
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eqBTCBuyer != undefined
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) {
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eqBTCSeller = helper_functions.truncateDecimals(eqBTCSeller);
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if (seller_btc_balance < eqBTCSeller) {
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err_msg = "Insufficient BTC balance of seller.";
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showMessage(err_msg);
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throw new Error(err_msg);
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}
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eqBTCBuyer = helper_functions.truncateDecimals(eqBTCBuyer);
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}
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// Increase buyer's crypto balance
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let buyerBTCResponseObject;
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let buyer_btc_id = `${buyPipeObj.trader_flo_address}_${buyPipeObj.product}`;
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_readDB("crypto_balances", buyer_btc_id).then(function(
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buyPipeBTCRes
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) {
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// Check seller's crypto balance
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let seller_btc_id = `${sellPipeObj.trader_flo_address}_${sellPipeObj.product}`;
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const sellPipeBTCRes = await _readDB("crypto_balances", seller_btc_id);
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if (
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typeof sellPipeBTCRes == "object" &&
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typeof sellPipeBTCRes.crypto_balance == "number"
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) {
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let seller_btc_balance = helper_functions.truncateDecimals(sellPipeBTCRes.crypto_balance);
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let sell_price_in_inr = parseFloat(sellPipeObj.buy_price);
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let eqBTCSeller = RM_TRADE.calculateCryptoEquivalentOfCash(
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sell_price_in_inr,
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buyPipeObj.currency,
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buyPipeObj.product
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);
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if (
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typeof buyPipeBTCRes == "object" &&
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typeof buyPipeBTCRes.crypto_balance == "number"
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!isNaN(eqBTCSeller) &&
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eqBTCSeller != "" &&
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eqBTCSeller != undefined
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) {
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buyPipeBTCRes.crypto_balance =
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helper_functions.truncateDecimals(buyPipeBTCRes.crypto_balance) +
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eqBTCBuyer;
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buyerBTCResponseObject = buyPipeBTCRes;
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} else {
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// The user bought BTC for first time
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buyerBTCResponseObject = {
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id: buyer_btc_id,
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trader_flo_address: buyPipeObj.trader_flo_address,
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crypto_balance: eqBTCBuyer,
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crypto_currency: buyPipeObj.product
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};
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}
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// Decrease buyer cash balance
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let buyer_new_cash_balance =
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buyer_cash_balance - buy_price_btc;
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let buyerCashResponseObject = {
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id: buyer_cash_id,
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currency: buyPipeObj.currency,
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trader_flo_address: buyPipeObj.trader_flo_address,
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cash_balance: buyer_new_cash_balance
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};
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// Increase seller's Cash balance
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let sellerCashResponseObject;
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const seller_cash_id = `${sellPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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_readDB("cash_balances", seller_cash_id).then(function(
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sellPipeCashRes
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) {
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if (
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typeof sellPipeCashRes == "object" &&
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typeof sellPipeCashRes.cash_balance == "number" &&
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!isNaN(sellPipeCashRes.cash_balance)
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) {
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sellPipeCashRes.cash_balance =
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parseFloat(sellPipeCashRes.cash_balance) +
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sell_price_in_inr;
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sellerCashResponseObject = sellPipeCashRes;
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} else {
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// User got cash for the first time
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let seller_cash_id = `${sellPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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sellerCashResponseObject = {
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id: seller_cash_id,
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trader_flo_address:
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sellPipeObj.trader_flo_address,
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currency: buyPipeObj.currency,
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cash_balance: sell_price_in_inr
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};
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eqBTCSeller = helper_functions.truncateDecimals(eqBTCSeller);
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if (seller_btc_balance < eqBTCSeller) {
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err_msg = "Insufficient BTC balance of seller.";
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console.warn(err_msg);
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return false;
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}
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// Decrease seller BTC balance
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let new_seller_btc_balance =
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seller_btc_balance - eqBTCSeller;
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new_seller_btc_balance = helper_functions.truncateDecimals(new_seller_btc_balance);
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// Get Buyer's crypto balance
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let buyerBTCResponseObject;
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let buyer_btc_id = `${buyPipeObj.trader_flo_address}_${buyPipeObj.product}`;
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const buyPipeBTCRes = await _readDB("crypto_balances", buyer_btc_id);
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// Increase buyer's crypto balance
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if (
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typeof buyPipeBTCRes == "object" &&
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typeof buyPipeBTCRes.crypto_balance == "number"
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) {
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buyPipeBTCRes.crypto_balance =
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helper_functions.truncateDecimals(buyPipeBTCRes.crypto_balance) +
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eqBTCBuyer;
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buyerBTCResponseObject = buyPipeBTCRes;
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} else {
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// The user bought BTC for first time
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buyerBTCResponseObject = {
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id: buyer_btc_id,
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trader_flo_address: buyPipeObj.trader_flo_address,
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crypto_balance: eqBTCBuyer,
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crypto_currency: buyPipeObj.product
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};
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}
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let sellerBTCResponseObject = {
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id: `${sellPipeObj.trader_flo_address}_${sellPipeObj.product}`,
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trader_flo_address: sellPipeObj.trader_flo_address,
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crypto_balance: new_seller_btc_balance,
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crypto_currency: sellPipeObj.product
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};
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// Get Seller's cash balance
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let sellerCashResponseObject;
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const seller_cash_id = `${sellPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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const sellPipeCashRes = await _readDB("cash_balances", seller_cash_id);
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// Increase seller's Cash balance
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if (
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typeof sellPipeCashRes == "object" &&
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typeof sellPipeCashRes.cash_balance == "number" &&
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!isNaN(sellPipeCashRes.cash_balance)
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) {
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sellPipeCashRes.cash_balance =
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parseFloat(sellPipeCashRes.cash_balance) +
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sell_price_in_inr;
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sellerCashResponseObject = sellPipeCashRes;
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} else {
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// User got cash for the first time
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let seller_cash_id = `${sellPipeObj.trader_flo_address}_${buyPipeObj.currency}`;
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sellerCashResponseObject = {
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id: seller_cash_id,
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trader_flo_address:
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sellPipeObj.trader_flo_address,
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currency: buyPipeObj.currency,
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cash_balance: sell_price_in_inr
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};
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}
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// Decrease buyer cash balance
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buyPipeCashRes.cash_balance = buyer_cash_balance - buy_price_btc;
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let buyerCashResponseObject = buyPipeCashRes;
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// Decrease seller BTC balance
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sellPipeBTCRes.crypto_balance = helper_functions.truncateDecimals(seller_btc_balance - eqBTCSeller);
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let sellerBTCResponseObject = sellPipeBTCRes;
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// supernode data query
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readDB("localbitcoinUser", "00-01").then(async function(
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user_data
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) {
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const user_data = await readDB("localbitcoinUser", "00-01");
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if (
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typeof user_data == "object" &&
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typeof localbitcoinplusplus.wallets
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.MY_SUPERNODE_PRIVATE_KEY == "string" &&
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.MY_SUPERNODE_PRIVATE_KEY == "string" &&
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localbitcoinplusplus.wallets
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.MY_SUPERNODE_PRIVATE_KEY.length > 0
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.MY_SUPERNODE_PRIVATE_KEY.length > 0
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) {
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// Delete orders
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try {
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_removeinDB("buyOrders", buyPipeObj.id);
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_removeinDB("sellOrders", sellPipeObj.id);
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await _removeinDB("buyOrders", buyPipeObj.id);
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await _removeinDB("sellOrders", sellPipeObj.id);
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} catch (error) {
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callback(false);
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showMessage(
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`WARNING: Failed to delete respective buy and sell orders in an operation.`
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);
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throw new Error(error);
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console.error(`WARNING: Failed to delete respective buy
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and sell orders in an operation:
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${error} `);
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return false;
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}
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// Update balances
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try {
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} catch (error) {
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showMessage(
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`WARNING: Failed to update cash and crypto balances during launch trade operation.`
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);
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callback(false);
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throw new Error(error);
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}
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let buyerCashResponseObjectPromise = _updateinDB(
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"cash_balances",
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@ -20570,34 +20539,37 @@
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buyPipeObj.trader_flo_address
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);
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let sellerCashResponseObjectPromise = _updateinDB(
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"cash_balances",
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sellerCashResponseObject,
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sellPipeObj.trader_flo_address
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"cash_balances",
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sellerCashResponseObject,
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sellPipeObj.trader_flo_address
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);
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let buyerBTCResponseObjectPromise = _updateinDB(
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"crypto_balances",
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buyerBTCResponseObject,
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buyPipeObj.trader_flo_address
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"crypto_balances",
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buyerBTCResponseObject,
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buyPipeObj.trader_flo_address
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);
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let sellerBTCResponseObjectPromise = _updateinDB(
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"crypto_balances",
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sellerBTCResponseObject,
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sellPipeObj.trader_flo_address
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"crypto_balances",
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sellerBTCResponseObject,
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sellPipeObj.trader_flo_address
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);
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const balanceUpdatePromises = await Promise.all([
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buyerCashResponseObjectPromise,
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sellerCashResponseObjectPromise,
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buyerBTCResponseObjectPromise,
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buyerCashResponseObjectPromise,
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sellerCashResponseObjectPromise,
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buyerBTCResponseObjectPromise,
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sellerBTCResponseObjectPromise
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]);
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]).catch(error=>{
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console.error(error);
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return false;
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});
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// Prepare response
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let trade_infos = {
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buy_order_id: buyPipeObj.id,
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sell_order_id: sellPipeObj.id,
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buyer_flo_id: buyPipeObj.trader_flo_address,
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seller_flo_id: sellPipeObj.trader_flo_address
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buy_order_id: buyPipeObj.id,
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sell_order_id: sellPipeObj.id,
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buyer_flo_id: buyPipeObj.trader_flo_address,
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seller_flo_id: sellPipeObj.trader_flo_address
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};
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||||
|
||||
let trade_infos_str = JSON.stringify(trade_infos);
|
||||
@ -20620,42 +20592,36 @@
|
||||
|
||||
// Signing of the data by Supernode
|
||||
let signed_data = RM_WALLET.sign(
|
||||
hashed_data,
|
||||
localbitcoinplusplus.wallets
|
||||
.MY_SUPERNODE_PRIVATE_KEY
|
||||
hashed_data,
|
||||
localbitcoinplusplus.wallets
|
||||
.MY_SUPERNODE_PRIVATE_KEY
|
||||
);
|
||||
|
||||
localbitcoinplusplus.kademlia
|
||||
.determineClosestSupernode(
|
||||
buyPipeObj.trader_flo_address
|
||||
)
|
||||
.then(getPrimarySuObj => {
|
||||
let response_for_client = {
|
||||
trade_infos: trade_infos,
|
||||
buyer_cash_data: balanceUpdatePromises[0],
|
||||
seller_cash_data: balanceUpdatePromises[1],
|
||||
buyer_btc_data: balanceUpdatePromises[2],
|
||||
seller_btc_data: balanceUpdatePromises[3],
|
||||
data_hash: hashed_data,
|
||||
supernode_sign: signed_data,
|
||||
supernodePubKey:
|
||||
user_data.myLocalFLOPublicKey,
|
||||
trader_flo_address:
|
||||
getPrimarySuObj[0].data.id
|
||||
};
|
||||
callback(response_for_client);
|
||||
return true;
|
||||
});
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
});
|
||||
callback(false);
|
||||
.determineClosestSupernode(
|
||||
buyPipeObj.trader_flo_address
|
||||
)
|
||||
.then(getPrimarySuObj => {
|
||||
let response_for_client = {
|
||||
trade_infos: trade_infos,
|
||||
buyer_cash_data: balanceUpdatePromises[0],
|
||||
seller_cash_data: balanceUpdatePromises[1],
|
||||
buyer_btc_data: balanceUpdatePromises[2],
|
||||
seller_btc_data: balanceUpdatePromises[3],
|
||||
data_hash: hashed_data,
|
||||
supernode_sign: signed_data,
|
||||
supernodePubKey:
|
||||
user_data.myLocalFLOPublicKey,
|
||||
trader_flo_address:
|
||||
getPrimarySuObj[0].data.id
|
||||
};
|
||||
return response_for_client;
|
||||
});
|
||||
}
|
||||
|
||||
}
|
||||
} else return false;
|
||||
} else return false;
|
||||
}
|
||||
},
|
||||
cancelTrade(trade_id, trader_flo_address, trade_type) {
|
||||
@ -29130,10 +29096,10 @@
|
||||
};
|
||||
|
||||
this.request.onsuccess = function(event) {
|
||||
if(!exception_datastores.includes(tablename)) {
|
||||
if(!verifyDBData(parent_request.result)) return resolve();
|
||||
}
|
||||
if (parent_request.result) {
|
||||
if(!exception_datastores.includes(tablename)) {
|
||||
if(!verifyDBData(parent_request.result)) return resolve();
|
||||
}
|
||||
if (filter_deletables == true) {
|
||||
if (
|
||||
typeof parent_request.result.is_deletable == "undefined"
|
||||
|
||||
Loading…
Reference in New Issue
Block a user