/// <inheritdoc />
/// <exception cref="ConsensusErrors.TimeTooNew">Thrown if block' timestamp too far in the future.</exception>
/// <exception cref="ConsensusErrors.BadVersion">Thrown if block's version is outdated.</exception>
/// <exception cref="ConsensusErrors.BlockTimestampTooEarly"> Thrown if the block timestamp is before the previous block timestamp.</exception>
/// <exception cref="ConsensusErrors.StakeTimeViolation">Thrown if the coinstake timestamp is invalid.</exception>
/// <exception cref="ConsensusErrors.ProofOfWorkTooHigh">The block's height is higher than the last allowed PoW block.</exception>
public override Task RunAsync(RuleContext context)
{
ChainedHeader chainedHeader = context.ValidationContext.ChainedHeader;
this.Logger.LogTrace("Height of block is {0}, block timestamp is {1}, previous block timestamp is {2}, block version is 0x{3:x}.", chainedHeader.Height, chainedHeader.Header.Time, chainedHeader.Previous.Header.Time, chainedHeader.Header.Version);
var posRuleContext = context as PosRuleContext;
if (chainedHeader.Header.Version < 7)
{
this.Logger.LogTrace("(-)[BAD_VERSION]");
ConsensusErrors.BadVersion.Throw();
}
if (posRuleContext.BlockStake.IsProofOfWork() && (chainedHeader.Height > this.Parent.ConsensusParams.LastPOWBlock))
{
this.Logger.LogTrace("(-)[POW_TOO_HIGH]");
// BIBLEPAY - TODO - ADD CONSENSUS RULES (Here we must limit the max block to 20,000 bbp but we must honor the network diff and the governance superblock amounts for daily and monthly superblocks)
// ConsensusErrors.ProofOfWorkTooHigh.Throw();
}
// Check coinbase timestamp.
uint coinbaseTime = context.ValidationContext.Block.Transactions[0].Time;
if (chainedHeader.Header.Time > coinbaseTime + PosFutureDriftRule.GetFutureDrift(coinbaseTime))
{
this.Logger.LogTrace("(-)[TIME_TOO_NEW]");
// BIBLEPAY - TODO - CONSENSUS RULES - ADJUST TIMEDRIFT RULE TO MATCH BBP
if (false)
{
ConsensusErrors.TimeTooNew.Throw();
}
}
// Check coinstake timestamp.
if (posRuleContext.BlockStake.IsProofOfStake() &&
!this.CheckCoinStakeTimestamp(chainedHeader.Header.Time, context.ValidationContext.Block.Transactions[1].Time))
{
this.Logger.LogTrace("(-)[BAD_TIME]");
ConsensusErrors.StakeTimeViolation.Throw();
}
// Check timestamp against prev.
if (chainedHeader.Header.Time <= chainedHeader.Previous.Header.Time)
{
// BIBLEPAY - TODO - ADJUST CONSENSUS RULE
this.Logger.LogTrace("(-)[TIME_TOO_EARLY]");
// ConsensusErrors.BlockTimestampTooEarly.Throw();
}
return(Task.CompletedTask);
}
/// <inheritdoc />
/// <exception cref="ConsensusErrors.TimeTooNew">Thrown if block' timestamp too far in the future.</exception>
/// <exception cref="ConsensusErrors.BadVersion">Thrown if block's version is outdated.</exception>
/// <exception cref="ConsensusErrors.BlockTimestampTooEarly"> Thrown if the block timestamp is before the previous block timestamp.</exception>
/// <exception cref="ConsensusErrors.StakeTimeViolation">Thrown if the coinstake timestamp is invalid.</exception>
/// <exception cref="ConsensusErrors.ProofOfWorkTooHigh">The block's height is higher than the last allowed PoW block.</exception>
public override Task RunAsync(RuleContext context)
{
ChainedHeader chainedHeader = context.ValidationContext.ChainedHeader;
this.Logger.LogTrace("Height of block is {0}, block timestamp is {1}, previous block timestamp is {2}, block version is 0x{3:x}.", chainedHeader.Height, chainedHeader.Header.Time, chainedHeader.Previous.Header.Time, chainedHeader.Header.Version);
var posRuleContext = context as PosRuleContext;
if (chainedHeader.Header.Version < 7)
{
this.Logger.LogTrace("(-)[BAD_VERSION]");
ConsensusErrors.BadVersion.Throw();
}
if (posRuleContext.BlockStake.IsProofOfWork() && (chainedHeader.Height > this.Parent.ConsensusParams.LastPOWBlock))
{
this.Logger.LogTrace("(-)[POW_TOO_HIGH]");
ConsensusErrors.ProofOfWorkTooHigh.Throw();
}
// Check coinbase timestamp.
uint coinbaseTime = context.ValidationContext.Block.Transactions[0].Time;
if (chainedHeader.Header.Time > coinbaseTime + PosFutureDriftRule.GetFutureDrift(coinbaseTime))
{
this.Logger.LogTrace("(-)[TIME_TOO_NEW]");
ConsensusErrors.TimeTooNew.Throw();
}
// Check coinstake timestamp.
if (posRuleContext.BlockStake.IsProofOfStake() &&
!this.CheckCoinStakeTimestamp(chainedHeader.Header.Time, context.ValidationContext.Block.Transactions[1].Time))
{
this.Logger.LogTrace("(-)[BAD_TIME]");
ConsensusErrors.StakeTimeViolation.Throw();
}
// Check timestamp against prev.
if (chainedHeader.Header.Time <= chainedHeader.Previous.Header.Time)
{
this.Logger.LogTrace("(-)[TIME_TOO_EARLY]");
ConsensusErrors.BlockTimestampTooEarly.Throw();
}
return(Task.CompletedTask);
}