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Merge pull request #17 from UdjinM6/master 

Add fees withdrawal (and fix possible typo in paymentProcessor)
This commit is contained in:
Matthew Little 2014-03-26 23:24:58 -06:00
parent 1fc9684677 b73b6a828e
commit 024cc7492f
2 changed files with 65 additions and 23 deletions
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87
libs/paymentProcessor.js
View File

@ -20,7 +20,7 @@ module.exports = function(logger){
function SetupForPool(logger, poolOptions){
if (!poolOptions.shareProcessing ||
poolOptions.shareProcessing.internal ||
!poolOptions.shareProcessing.internal ||
!poolOptions.shareProcessing.internal.enabled)
return;
@ -262,7 +262,7 @@ function SetupForPool(logger, poolOptions){
//number of satoshis in a single coin unit - this can be different for coins so we calculate it :)
daemon.cmd('getbalance', [], function(results){
daemon.cmd('getbalance', [''], function(results){
var totalBalance = results[0].response * magnitude;
var toBePaid = 0;
@ -298,11 +298,14 @@ function SetupForPool(logger, poolOptions){
}
var balanceLeftOver = totalBalance - toBePaid;
// txfee included in feeAmountToBeCollected
var feeAmountToBeCollected = parseFloat((toBePaid / (1 - processingConfig.feePercent) * processingConfig.feePercent).toFixed(coinPrecision));
var balanceLeftOver = totalBalance - toBePaid - feeAmountToBeCollected;
var minReserveSatoshis = processingConfig.minimumReserve * magnitude;
if (balanceLeftOver < minReserveSatoshis){
callback('Check finished - payments would wipe out minimum reserve, tried to pay out ' + toBePaid +
' and collect ' + feeAmountToBeCollected + ' as fees' +
' but only have ' + totalBalance + '. Left over balance would be ' + balanceLeftOver +
', needs to be at least ' + minReserveSatoshis);
return;
@ -342,13 +345,13 @@ function SetupForPool(logger, poolOptions){
finalRedisCommands.push(['hincrbyfloat', coin + '_stats', 'totalPaid', (toBePaid / magnitude).toFixed(coinPrecision)]);
callback(null, magnitude, workerPayments, finalRedisCommands);
callback(null, magnitude, results[0].response, workerPayments, finalRedisCommands);
});
},
function(magnitude, workerPayments, finalRedisCommands, callback){
function(magnitude, balanceBefore, workerPayments, finalRedisCommands, callback){
//This does the final all-or-nothing atom transaction if block deamon sent payments
var finalizeRedisTx = function(){
@ -357,7 +360,7 @@ function SetupForPool(logger, poolOptions){
callback('Check finished - error with final redis commands for cleaning up ' + JSON.stringify(error));
return;
}
callback(null, 'Payments processing performed an interval');
logger.debug(logSystem, logComponent, 'Payments processing performed an interval');
});
};
@ -370,9 +373,9 @@ function SetupForPool(logger, poolOptions){
var addressAmounts = {};
var totalAmountUnits = 0;
for (var address in workerPayments){
var coiUnits = parseFloat((workerPayments[address] / magnitude).toFixed(coinPrecision));;
addressAmounts[address] = coiUnits;
totalAmountUnits += coiUnits;
var coinUnits = parseFloat((workerPayments[address] / magnitude).toFixed(coinPrecision));
addressAmounts[address] = coinUnits;
totalAmountUnits += coinUnits;
}
logger.debug(logSystem, logComponent, 'Payments about to be sent to: ' + JSON.stringify(addressAmounts));
@ -383,11 +386,25 @@ function SetupForPool(logger, poolOptions){
}
finalizeRedisTx();
var totalWorkers = Object.keys(workerPayments).length;
logger.debug(logSystem, logComponent, 'Payments sent, a total of ' + totalAmountUnits +
logger.debug(logSystem, logComponent, 'Payments sent, a total of ' + totalAmountUnits + ' ' + poolOptions.coin.symbol +
' was sent to ' + totalWorkers + ' miners');
setTimeout(function() { // not sure if we need some time to let daemon update the wallet balance
daemon.cmd('getbalance', [''], function(results){
var balanceDiff = balanceBefore - results[0].response;
var txFee = balanceDiff - totalAmountUnits;
var feeAmountUnits = parseFloat((totalAmountUnits / (1 - processingConfig.feePercent) * processingConfig.feePercent).toFixed(coinPrecision));
var poolFees = feeAmountUnits - txFee;
daemon.cmd('move', ['', processingConfig.feeCollectAccount, poolFees], function(results){
if (results[0].error){
callback('Check finished - error with move ' + JSON.stringify(results[0].error));
return;
}
callback(null, poolFees + ' ' + poolOptions.coin.symbol + ' collected as pool fee');
});
});
}, 1000);
});
}
}
], function(error, result){
if (error)
@ -395,7 +412,8 @@ function SetupForPool(logger, poolOptions){
else{
logger.debug(logSystem, logComponent, result);
withdrawalProfit();
// not sure if we need some time to let daemon update the wallet balance
setTimeout(withdrawalProfit, 1000);
}
});
};
@ -405,20 +423,43 @@ function SetupForPool(logger, poolOptions){
if (!processingConfig.feeWithdrawalThreshold) return;
daemon.cmd('getbalance', [], function(results){
logger.debug(logSystem, logComponent, 'Profit withdrawal started');
daemon.cmd('getbalance', [processingConfig.feeCollectAccount], function(results){
var totalBalance = results[0].response;
var withdrawalAmount = totalBalance - processingConfig.minimumReserve;
var leftOverBalance = totalBalance - withdrawalAmount;
// We have to pay some tx fee here too but maybe we shoudn't really care about it too much as long as fee is less
// then minimumReserve value. Because in this case even if feeCollectAccount account will have negative balance
// total wallet balance will be positive and feeCollectAccount account will be refilled during next payment processing.
// But to be as much accurate as we can we use getinfo command to retrieve minimum tx fee (paytxfee).
daemon.cmd('getinfo', [], function(result){
var paytxfee;
if (!result[0].response || !result[0].response.paytxfee){
logger.error(logSystem, logComponent, 'Daemon does not have paytxfee property on getinfo method results - withdrawal processing could be broken with this daemon');
paytxfee = 0;
} else {
paytxfee = result[0].response.paytxfee;
}
if (leftOverBalance < processingConfig.minimumReserve || withdrawalAmount < processingConfig.feeWithdrawalThreshold){
logger.debug(logSystem, logComponent, 'Not enough profit to withdrawal yet');
}
else{
//Need to figure out how much of the balance is profit... ???
logger.debug(logSystem, logComponent, 'Can send profit');
}
var withdrawalAmount = results[0].response - paytxfee;
if (withdrawalAmount < processingConfig.feeWithdrawalThreshold){
logger.debug(logSystem, logComponent, 'Not enough profit to withdraw yet');
}
else{
var withdrawal = {};
withdrawal[processingConfig.feeReceiveAddress] = withdrawalAmount;
daemon.cmd('sendmany', [processingConfig.feeCollectAccount, withdrawal], function(results){
if (results[0].error){
logger.debug(logSystem, logComponent, 'Profit withdrawal finished - error with sendmany ' + JSON.stringify(results[0].error));
return;
}
logger.debug(logSystem, logComponent, 'Profit sent, a total of ' + withdrawalAmount + ' ' + poolOptions.coin.symbol +
' was sent to ' + processingConfig.feeReceiveAddress);
});
}
});
});

1
pool_configs/litecoin_example.json
View File

@ -10,6 +10,7 @@
"minimumPayment": 100.001,
"minimumReserve": 10,
"feePercent": 0.02,
"feeCollectAccount": "feesCollected",
"feeReceiveAddress": "LZz44iyF4zLCXJTU8RxztyyJZBntdS6fvv",
"feeWithdrawalThreshold": 5,
"daemon": {