// To decrease granularity of timestamp
// Supposed to be 2^n-1
private bool SignBlock(List <StakeTx> stakeTxes, Block block, ChainedBlock pindexBest, long fees)
{
// if we are trying to sign
// something except proof-of-stake block template
if (!block.Transactions[0].Outputs[0].IsEmpty)
{
return(false);
}
// if we are trying to sign
// a complete proof-of-stake block
if (BlockStake.IsProofOfStake(block))
{
return(true);
}
Key key = null;
Transaction txCoinStake = new Transaction();
txCoinStake.Time &= ~PosConsensusValidator.STAKE_TIMESTAMP_MASK;
long searchTime = txCoinStake.Time; // search to current time
if (searchTime > this.lastCoinStakeSearchTime)
{
long searchInterval = searchTime - this.lastCoinStakeSearchTime;
if (this.CreateCoinStake(stakeTxes, pindexBest, block, searchInterval, fees, ref txCoinStake, ref key))
{
if (txCoinStake.Time >= BlockValidator.GetPastTimeLimit(pindexBest) + 1)
{
// make sure coinstake would meet timestamp protocol
// as it would be the same as the block timestamp
block.Transactions[0].Time = block.Header.Time = txCoinStake.Time;
// we have to make sure that we have no future timestamps in
// our transactions set
foreach (var transaction in block.Transactions)
{
if (transaction.Time > block.Header.Time)
{
block.Transactions.Remove(transaction);
}
}
block.Transactions.Insert(1, txCoinStake);
block.UpdateMerkleRoot();
// append a signature to our block
var signature = key.Sign(block.GetHash());
block.BlockSignatur = new BlockSignature {
Signature = signature.ToDER()
};
return(true);
}
}
this.LastCoinStakeSearchInterval = searchTime - this.LastCoinStakeSearchTime;
this.LastCoinStakeSearchTime = searchTime;
}
return(false);
}
// To decrease granularity of timestamp
// Supposed to be 2^n-1
private bool SignBlock(Block block, ChainedBlock pindexBest, long fees)
{
// if we are trying to sign
// something except proof-of-stake block template
if (!block.Transactions[0].Outputs[0].IsEmpty)
{
return(false);
}
// if we are trying to sign
// a complete proof-of-stake block
if (block.IsProofOfStake())
{
return(true);
}
//this.LastCoinStakeSearchTime = DateTime.UtcNow.ToUnixTimestamp();// GetAdjustedTime(); // startup timestamp
Key key = null;
Transaction txCoinStake = new Transaction();
//if (BlockValidator.IsProtocolV2(bestHeight + 1)) // we are never in V2
int tt = (int)txCoinStake.Time;
tt &= ~BlockValidator.STAKE_TIMESTAMP_MASK;
txCoinStake.Time = (uint)tt;
long searchTime = txCoinStake.Time; // search to current time
//Console.WriteLine($"mask = {txCoinStake.Time & BlockValidator.STAKE_TIMESTAMP_MASK} searchInterval = {searchTime - this.LastCoinStakeSearchTime} searchTime = {searchTime} lastCoinStakeSearchTime = {this.LastCoinStakeSearchTime}");
if (searchTime > this.LastCoinStakeSearchTime)
//if (DateTime.UtcNow.Second % 16 == 0) // every 16 sedons
{
long searchInterval = searchTime - this.LastCoinStakeSearchTime;
if (this.walletService.CreateCoinStake(pindexBest, block.Header.Bits, searchInterval, fees, ref txCoinStake, ref key))
{
if (txCoinStake.Time >= BlockValidator.GetPastTimeLimit(pindexBest) + 1)
{
// make sure coinstake would meet timestamp protocol
// as it would be the same as the block timestamp
block.Transactions[0].Time = block.Header.Time = txCoinStake.Time;
// we have to make sure that we have no future timestamps in
// our transactions set
foreach (var transaction in block.Transactions)
{
if (transaction.Time > block.Header.Time)
{
block.Transactions.Remove(transaction);
}
}
block.Transactions.Insert(1, txCoinStake);
block.UpdateMerkleRoot();
// append a signature to our block
var signature = key.Sign(block.GetHash());
block.BlockSignatur = new BlockSignature {
Signature = signature.ToDER()
};
return(true);
}
}
this.LastCoinStakeSearchInterval = searchTime - this.LastCoinStakeSearchTime;
this.LastCoinStakeSearchTime = searchTime;
}
return(false);
}