// Init list of block items
foreach (var item in blockTreeItems)
{
+ item.nStakeModifierChecksum = StakeModifier.GetModifierChecksum(item);
+
blockMap.TryAdd(item.Hash, item);
if (item.IsProofOfStake)
}
itemTemplate.SetStakeModifier(nStakeModifier, fGeneratedStakeModifier);
- itemTemplate.nStakeModifierChecksum = StakeModifier.GetStakeModifierChecksum(ref itemTemplate);
+ itemTemplate.nStakeModifierChecksum = StakeModifier.GetModifierChecksum(itemTemplate);
- // TODO: verify stake modifier checkpoints
+ if (!ModifierCheckpoints.Verify(itemTemplate.nHeight, itemTemplate.nStakeModifierChecksum))
+ {
+ return false; // Stake modifier checkpoints mismatch
+ }
// Add to index
if (block.IsProofOfStake)
return false; // Invalid block found.
}
- bool fScriptChecks = cursor.nHeight >= Checkpoints.TotalBlocksEstimate;
+ bool fScriptChecks = cursor.nHeight >= HashCheckpoints.TotalBlocksEstimate;
var scriptFlags = scriptflag.SCRIPT_VERIFY_NOCACHE | scriptflag.SCRIPT_VERIFY_P2SH;
- ulong nFees = 0;
- ulong nValueIn = 0;
- ulong nValueOut = 0;
+ long nFees = 0;
+ long nValueIn = 0;
+ long nValueOut = 0;
uint nSigOps = 0;
var queuedMerkleNodes = new Dictionary<uint256, CMerkleNode>();
return false; // too many sigops
}
- ulong nTxValueIn = tx.GetValueIn(ref inputs);
- ulong nTxValueOut = tx.nValueOut;
+ long nTxValueIn = tx.GetValueIn(ref inputs);
+ long nTxValueOut = tx.nValueOut;
nValueIn += nTxValueIn;
nValueOut += nTxValueOut;
if (!block.IsProofOfStake)
{
- ulong nBlockReward = CBlock.GetProofOfWorkReward(cursor.nBits, nFees);
+ long nBlockReward = CBlock.GetProofOfWorkReward(cursor.nBits, nFees);
// Check coinbase reward
if (block.vtx[0].nValueOut > nBlockReward)
}
}
- cursor.nMint = (long)(nValueOut - nValueIn + nFees);
- cursor.nMoneySupply = (cursor.prev != null ? cursor.prev.nMoneySupply : 0) + (long)nValueOut - (long)nValueIn;
+ cursor.nMint = nValueOut - nValueIn + nFees;
+ cursor.nMoneySupply = (cursor.prev != null ? cursor.prev.nMoneySupply : 0) + nValueOut - nValueIn;
if (!UpdateDBCursor(ref cursor))
{
if (!tx.IsCoinBase)
{
- ulong nValueIn = 0;
- ulong nFees = 0;
+ long nValueIn = 0;
+ long nFees = 0;
for (uint i = 0; i < tx.vin.Length; i++)
{
var prevout = tx.vin[i].prevout;
if (tx.IsCoinStake)
{
- // ppcoin: coin stake tx earns reward instead of paying fee
- ulong nCoinAge;
+ // Coin stake tx earns reward instead of paying fee
+ long nCoinAge;
if (!tx.GetCoinAge(ref inputs, out nCoinAge))
{
return false; // unable to get coin age for coinstake
}
- ulong nReward = tx.nValueOut - nValueIn;
+ long nReward = tx.nValueOut - nValueIn;
- ulong nCalculatedReward = CBlock.GetProofOfStakeReward(nCoinAge, cursorBlock.nBits, tx.nTime) - tx.GetMinFee(1, false, CTransaction.MinFeeMode.GMF_BLOCK) + CTransaction.nCent;
+ long nCalculatedReward = CBlock.GetProofOfStakeReward(nCoinAge, cursorBlock.nBits, tx.nTime) - tx.GetMinFee(1, false, CTransaction.MinFeeMode.GMF_BLOCK) + CTransaction.nCent;
if (nReward > nCalculatedReward)
{
}
// Tally transaction fees
- ulong nTxFee = nValueIn - tx.nValueOut;
+ long nTxFee = nValueIn - tx.nValueOut;
if (nTxFee < 0)
{
return false; // nTxFee < 0
}
}
+ // Check that the block chain matches the known block chain up to a checkpoint
+ if (!HashCheckpoints.Verify(nHeight, nHash))
+ {
+ return false; // rejected by checkpoint lock-in
+ }
+
// TODO: Enforce rule that the coinbase starts with serialized block height
// Write block to file.
}
/// <summary>
- /// GEt block by hash.
+ /// Get block by hash.
/// </summary>
/// <param name="blockHash">Block hash</param>
/// <param name="block">Block object reference</param>