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Bring back trading to fiatBalance

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Maciej Małecki 2014-04-21 00:36:47 +02:00
parent d83a46bf7d
commit 49f77c50b8
1 changed files with 15 additions and 1 deletions
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16
lib/trader.js
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@ -116,7 +116,21 @@ Trader.prototype.fiatBalance = function (transferSatoshis, tradeFiat) {
// [ $ ] = [ $ ]
var fiatTransferBalance = ((adjustedTransferBalance / SATOSHI_FACTOR) * rate) / lowBalanceMargin;
return fiatTransferBalance;
// If this server is also configured to trade received fiat for Bitcoins,
// we also need to calculate if we have enough funds on our trade exchange.
if (balance.tradeBalance === null) return fiatTransferBalance;
var tradeBalance = balance.tradeBalance;
// We need to secure `tradeFiat` (amount of fiat in this transaction) and
// enough fiat to cover our trading queue (trades aren't executed immediately).
var adjustedFiat = tradeFiat + this.tradeQueueFiatBalance(rate);
// So we subtract `adjustedFiat` from `tradeBalance` and again, apply
// `lowBalanceMargin`.
var fiatTradeBalance = (tradeBalance - adjustedFiat) / lowBalanceMargin;
// And we return the smallest number.
return Math.min(fiatTransferBalance, fiatTradeBalance);
};
Trader.prototype.sendBitcoins = function (deviceFingerprint, tx, cb) {