/// <summary>
/// In AEDPoS, we calculate next several continual previous_in_values to provide random hash.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public override RandomNumberOrder RequestRandomNumber(Empty input)
{
var tokenHash = Context.TransactionId;
if (TryToGetCurrentRoundInformation(out var currentRound))
{
var requestInformation = new RandomNumberRequestHandler(currentRound, Context.CurrentHeight)
.GetRandomNumberRequestInformation();
State.RandomNumberInformationMap[tokenHash] = requestInformation;
// For clearing tokens of certain round number.
if (State.RandomNumberTokenMap[currentRound.RoundNumber] == null)
{
State.RandomNumberTokenMap[currentRound.RoundNumber] = new HashList {
Values = { tokenHash }
};
}
else
{
State.RandomNumberTokenMap[currentRound.RoundNumber].Values.Add(tokenHash);
}
Context.Fire(new RandomNumberRequestHandled
{
Requester = Context.Sender,
BlockHeight = requestInformation.ExpectedBlockHeight,
TokenHash = tokenHash
});
Context.LogDebug(() =>
$"Handled a request of random number: {tokenHash}.current height: {Context.CurrentHeight}, target height: {requestInformation.ExpectedBlockHeight}");
return(new RandomNumberOrder
{
BlockHeight = requestInformation.ExpectedBlockHeight,
TokenHash = tokenHash
});
}
// Impossible.
Assert(false, "Failed to get current round information");
// Won't reach here anyway.
return(new RandomNumberOrder
{
BlockHeight = long.MaxValue
});
}
/// <summary>
/// In AEDPoS, we calculate next several continual previous_in_values to provide random hash.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public override RandomNumberOrder RequestRandomNumber(RequestRandomNumberInput input)
{
var tokenHash = Context.TransactionId;
if (TryToGetCurrentRoundInformation(out var currentRound))
{
var information = new RandomNumberRequestHandler(currentRound, Context.CurrentHeight)
.GetRandomNumberRequestInformation();
information.ExpectedBlockHeight = Math.Max(input.MinimumBlockHeight, information.ExpectedBlockHeight);
State.RandomNumberInformationMap[tokenHash] = information;
// For clear usage.
if (State.RandomNumberTokenMap[currentRound.RoundNumber] == null)
{
State.RandomNumberTokenMap[currentRound.RoundNumber] = new HashList {
Values = { tokenHash }
};
}
else
{
State.RandomNumberTokenMap[currentRound.RoundNumber].Values.Add(tokenHash);
}
Context.Fire(new RandomNumberRequestHandled
{
Requester = Context.Sender,
BlockHeight = information.ExpectedBlockHeight,
TokenHash = tokenHash
});
return(new RandomNumberOrder
{
BlockHeight = information.ExpectedBlockHeight,
TokenHash = tokenHash
});
}
// Not possible.
Assert(false, "Failed to get current round information");
// Won't reach here anyway.
return(new RandomNumberOrder
{
BlockHeight = long.MaxValue
});
}
