public BinaryBroadcast(
BinaryBroadcastId broadcastId, IPublicConsensusKeySet wallet, IConsensusBroadcaster broadcaster)
: base(wallet, broadcastId, broadcaster)
{
_broadcastId = broadcastId;
_requested = ResultStatus.NotRequested;
_binValues = new BoolSet();
_receivedValues = new BoolSet[N];
_playerSentAux = new bool[N];
_validatorSentConf = new bool[N];
for (var i = 0; i < N; ++i)
{
_receivedValues[i] = new BoolSet();
}
_receivedCount = new int[2];
_receivedAux = new int[2];
_wasBvalBroadcasted = new bool[2];
_confReceived = new List <BoolSet>();
_result = null;
_confSent = false;
}
private void TryProgressEpoch()
{
CheckResult();
while (_result == null || !_wasRepeat)
{
if (_currentEpoch % 2 == 0)
{
// epoch mod 2 = 0 -> we have not yet initiated BB
if (_currentEpoch != 0 && !_coins.ContainsKey(_currentEpoch - 1))
{
/* Logger.LogTrace(
* $"{_agreementId}: can't progress epoch, blocked, coin (Ep={_currentEpoch - 1}) not present"); */
return; // we cannot progress since coin is not tossed and estimate is not correct
}
/* Logger.LogTrace(
* $"Epoch progressed, coin (Ep={_currentEpoch - 1}) is present " +
* $"with value {_currentEpoch > 0 && _coins[_currentEpoch - 1]}"
* ); */
// we have right to calculate new estimate and proceed
if (_currentEpoch != 0)
{
var s = _coins[_currentEpoch - 1];
_estimate = _currentValues.Values().First();
if (_currentValues.Count() == 1 && _result == null)
{
if (_estimate == s)
{
// we are winners!
_resultEpoch = _currentEpoch;
_result = _estimate;
CheckResult();
Logger.LogTrace($"{_agreementId}: result = {_result} achieved at Ep={_currentEpoch}");
}
}
else if (_result == s)
{
if (_currentEpoch > _resultEpoch)
{
Logger.LogTrace(
$"{_agreementId}: value repeated at Ep={_currentEpoch}, result is already obtained: {_result}. Terminating protocol"
);
_wasRepeat = true;
Terminate();
}
}
else
{
_estimate = s;
}
}
if (_result != null)
{
_estimate = _result.Value;
}
// here we start new BB assuming that current estimate is correct
var broadcastId = new BinaryBroadcastId(_agreementId.Era, _agreementId.AssociatedValidatorId,
_currentEpoch);
Broadcaster.InternalRequest(
new ProtocolRequest <BinaryBroadcastId, bool>(Id, broadcastId, _estimate)
);
_currentEpoch += 1;
}
else
{
// epoch mod 2 = 1 -> we have not yet tossed coin
if (!_binaryBroadcastsResults.ContainsKey(_currentEpoch - 1))
{
/* Logger.LogTrace(
* $"{_agreementId}: can't progress epoch, blocked, BB (Ep={_currentEpoch - 1}) not present"
* ); */
return; // we cannot progress since BB is not completed
}
// Logger.LogTrace($"{_agreementId}: epoch progressed, BB (Ep={_currentEpoch - 1}) is present");
_currentValues = _binaryBroadcastsResults[_currentEpoch - 1];
var coinId = new CoinId(_agreementId.Era, _agreementId.AssociatedValidatorId, _currentEpoch);
if ((_currentEpoch / 2) % 3 == 2)
{
Broadcaster.InternalRequest(new ProtocolRequest <CoinId, object?>(Id, coinId, null));
}
else
{
_coins[_currentEpoch] = ((_currentEpoch / 2) % 3) != 0;
}
_currentEpoch += 1;
}
}
}