public static bool OnGetBlockById(JToken id, string method, JArray parameters, out JToken result)
{
result = new JObject();
if (parameters == null || parameters.Count != 1)
{
result = RpcMessage.CreateErrorResult(id, RpcMessage.INVALID_PARAMS, "Invalid parameters");
return(false);
}
try
{
SHA256Hash hash = SHA256Hash.Wrap(parameters[0].ToString().HexToBytes());
BlockCapsule block = Manager.Instance.DBManager.GetBlockById(hash);
BlockExtention block_extention = RpcApiService.CreateBlockExtention(block);
result = JToken.FromObject(block_extention.ToByteArray());
}
catch (System.Exception e)
{
result = RpcMessage.CreateErrorResult(id, RpcMessage.UNKNOWN_ERROR, e.Message);
return(false);
}
return(true);
}
public void PreExecute(BlockCapsule block)
{
this.block = block;
this.execute = true;
this.allow_generate_root = Manager.Instance.DBManager.DynamicProperties.AllowAccountStateRoot();
if (!Execute())
{
return;
}
byte[] root_hash = null;
try
{
BlockCapsule parent_block = Manager.Instance.DBManager.GetBlockById(this.block.ParentId);
root_hash = parent_block.Instance.BlockHeader.RawData.AccountStateRoot.ToByteArray();
}
catch (System.Exception e)
{
Logger.Error(e.Message);
}
if (root_hash.SequenceEqual(new byte[0]))
{
root_hash = Hash.EMPTY_TRIE_HASH;
}
trie = new Trie(Manager.Instance.DBManager.AccountStateTrie, root_hash);
}
public static bool OnGetBlock(JToken id, string method, JArray parameters, out JToken result)
{
result = new JObject();
if (parameters == null || parameters.Count != 1)
{
result = RpcMessage.CreateErrorResult(id, RpcMessage.INVALID_PARAMS, "Invalid parameters");
return(false);
}
try
{
BlockCapsule block = Manager.Instance.DBManager.GetBlockByNum(parameters[0].Value <long>());
result = JToken.FromObject(RpcApiService.CreateBlockExtention(block).ToByteArray());
}
catch (InvalidCastException e)
{
result = RpcMessage.CreateErrorResult(id, RpcMessage.INVALID_PARAMS, e.Message);
return(false);
}
catch (System.Exception e)
{
result = RpcMessage.CreateErrorResult(id, RpcMessage.UNKNOWN_ERROR, e.Message);
return(false);
}
return(true);
}
private RunTime(Transaction tx, BlockCapsule block, Deposit deposit, IProgramInvokeFactory invoke_factory)
{
this.transaction = tx;
this.deposit = deposit;
this.invoke_factory = invoke_factory;
this.executor_type = ExecutorType.ET_PRE_TYPE;
this.block = block;
this.energy_processor = new EnergyProcessor(deposit.DBManager);
ContractType contract_type = tx.RawData.Contract[0].Type;
switch (contract_type)
{
case ContractType.TriggerSmartContract:
{
this.transaction_type = TransactionType.TX_CONTRACT_CALL_TYPE;
}
break;
case ContractType.CreateSmartContract:
{
this.transaction_type = TransactionType.TX_CONTRACT_CREATION_TYPE;
}
break;
default:
{
this.transaction_type = TransactionType.TX_PRECOMPILED_TYPE;
}
break;
}
}
public bool ValidBlock(BlockCapsule block)
{
bool result = false;
try
{
if (!block.ValidateSignature(Manager.Instance.DBManager))
{
return(result);
}
foreach (WitnessCapsule witness in Manager.Instance.DBManager.Witness.AllWitnesses)
{
if (witness.Address.Equals(block.WitnessAddress))
{
result = true;
}
}
}
catch (ValidateSignatureException e)
{
throw new P2pException(P2pException.ErrorType.BAD_BLOCK, e.Message, e);
}
return(result);
}
public BlockCapsule GetBlock(byte[] hash)
{
BlockCapsule block = null;
Key key = Key.Create(hash);
if (this.block_cache.ContainsKey(key))
{
block = this.block_cache[key].ToCapsule <BlockCapsule, Protocol.Block>();
}
else
{
try
{
if (this.parent != null)
{
block = this.parent.GetBlock(hash);
}
else
{
block = this.db_manager.Block.Get(hash);
}
}
catch
{
block = null;
}
if (block != null)
{
this.block_cache.Add(key, Value.Create(block.Data));
}
}
return(null);
}
public void Update(BlockCapsule block)
{
List <ByteString> witnesses = this.db_manager.WitnessController.GetActiveWitnesses();
ByteString witness = block.WitnessAddress;
int slot = witnesses.IndexOf(witness);
if (slot < 0)
{
return;
}
int version = block.Instance.BlockHeader.RawData.Version;
if (version < Parameter.ForkBlockVersionParameters.ENERGY_LIMIT)
{
return;
}
Downgrade(version, slot);
byte[] stats = this.db_manager.DynamicProperties.StatsByVersion(version);
if (Check(stats))
{
Upgrade(version, stats.Length);
return;
}
if (stats == null || stats.Length != witnesses.Count)
{
stats = new byte[witnesses.Count];
}
stats[slot] = VERSION_UPGRADE;
this.db_manager.DynamicProperties.StatsByVersion(version, stats);
Logger.Info(
string.Format(
"*******update hard fork:{0}, witness size:{1}, solt:{2}, witness:{3}, version:{4}",
string.Join(", ",
Enumerable.Zip <ByteString, byte, KeyValuePair <ByteString, byte> >(
witnesses,
stats,
(ByteString key, byte value) =>
{
return(new KeyValuePair <ByteString, byte>(key, value));
})
.Select(pair =>
{
string address = Wallet.AddressToBase58(pair.Key.ToByteArray());
address = address.Substring(address.Length - 4);
return(new KeyValuePair <string, byte>(address, pair.Value));
})
.ToList()
.ToString()),
witnesses.Count,
slot,
Wallet.AddressToBase58(witness.ToByteArray()),
version));
}
public void Init(BlockCapsule block, bool event_plugin_loaded)
{
this.tx_start_time = Helper.CurrentTimeMillis();
Deposit deposit = Deposit.CreateRoot(this.db_manager);
this.runtime = new RunTime(this, block, deposit, new ProgramInvokeFactory());
this.runtime.SetEnableEventListener(event_plugin_loaded);
}
private void BroadcastBlock(BlockCapsule block)
{
try
{
this.net_service.Broadcast(new BlockMessage(block.Data));
}
catch (System.Exception)
{
throw new System.Exception("BroadcastBlock error");
}
}
public BlockCapsule GetBlockById(SHA256Hash hash)
{
BlockCapsule block = this.khaos_database.GetBlock(hash);
if (block == null)
{
block = this.block_store.Get(hash.Hash);
}
return(block);
}
public BlockMessage(byte[] raw_data)
: base(raw_data)
{
this.type = (byte)MessageTypes.MsgType.BLOCK;
this.block = new BlockCapsule(GetCodedInputStream(data));
if (Message.IsFilter)
{
Message.CompareBytes(data, block.Data);
TransactionCapsule.ValidContractProto(new List <Protocol.Transaction>(block.Instance.Transactions));
}
}
public List <AssetIssueCapsule> GetAllAssetIssues()
{
List <AssetIssueCapsule> result = new List <AssetIssueCapsule>();
long block_num = 1;
long latest_header_num = this.db_manager.DynamicProperties.GetLatestBlockHeaderNumber();
while (block_num <= latest_header_num)
{
if (block_num % 100000 == 0)
{
Logger.Info(
string.Format("The number of block that have processed：{0}",
block_num));
}
try
{
BlockCapsule block = this.db_manager.GetBlockByNum(block_num);
foreach (TransactionCapsule tx in block.Transactions)
{
if (tx.Instance.RawData.Contract[0].Type == Protocol.Transaction.Types.Contract.Types.ContractType.AssetIssueContract)
{
AssetIssueContract contract = tx.Instance.RawData.Contract[0].Parameter.Unpack <AssetIssueContract>();
AssetIssueCapsule asset_issue = new AssetIssueCapsule(contract);
result.Add(this.db_manager.AssetIssue.Get(asset_issue.CreateDatabaseKey()));
}
}
}
catch (System.Exception e)
{
throw new System.Exception("Block not exists,num:" + block_num, e);
}
block_num++;
}
Logger.Info(
string.Format("Total block：{0}",
block_num));
if (this.db_manager.AssetIssue.AllAssetIssues.Count != result.Count)
{
throw new System.Exception("Asset num is wrong!");
}
return(result);
}
public static BlockExtention CreateBlockExtention(BlockCapsule block)
{
if (block == null)
{
return(null);
}
BlockExtention block_extention = new BlockExtention();
block_extention.BlockHeader = block.Instance.BlockHeader;
block_extention.Blockid = ByteString.CopyFrom(block.Id.Hash);
foreach (Transaction transaction in block.Instance.Transactions)
{
block_extention.Transactions.Add(CreateTransactionExtention(new TransactionCapsule(transaction)));
}
return(block_extention);
}
public RunTime(TransactionTrace trace, BlockCapsule block, Deposit deposit, IProgramInvokeFactory invoke_factory)
{
this.trace = trace;
this.transaction = trace.Transaction.Instance;
if (block != null)
{
this.block = block;
this.executor_type = ExecutorType.ET_NORMAL_TYPE;
}
else
{
this.block = new BlockCapsule(new Block());
this.executor_type = ExecutorType.ET_PRE_TYPE;
}
this.deposit = deposit;
this.invoke_factory = invoke_factory;
this.energy_processor = new EnergyProcessor(deposit.DBManager);
ContractType contract_type = this.transaction.RawData.Contract[0].Type;
switch (contract_type)
{
case ContractType.TriggerSmartContract:
{
this.transaction_type = TransactionType.TX_CONTRACT_CALL_TYPE;
}
break;
case ContractType.CreateSmartContract:
{
this.transaction_type = TransactionType.TX_CONTRACT_CREATION_TYPE;
}
break;
default:
{
this.transaction_type = TransactionType.TX_PRECOMPILED_TYPE;
}
break;
}
}
public byte[] GetAccountStateRootHash(long latest_number)
{
byte[] root_hash = null;
try
{
BlockCapsule block = Manager.Instance.DBManager.GetBlockByNum(latest_number);
ByteString value = block.Instance.BlockHeader.RawData.AccountStateRoot;
root_hash = value == null ? null : value.ToByteArray();
if (root_hash.SequenceEqual(new byte[0]))
{
root_hash = Hash.EMPTY_TRIE_HASH;
}
}
catch (System.Exception e)
{
Logger.Error(string.Format("Get the {0} block error, {1}", latest_number, e.Message));
}
return(root_hash);
}
public void CheckDupWitness(BlockCapsule block)
{
if (block.IsGenerateMyself)
{
return;
}
if (need_sync_check)
{
return;
}
if (Helper.CurrentTimeMillis() - block.Timestamp > Parameter.ChainParameters.BLOCK_PRODUCED_INTERVAL)
{
return;
}
if (!this.privatekeys.ContainsKey(block.WitnessAddress))
{
return;
}
if (this.backup_manager.Status != BackupManager.BackupStatus.MASTER)
{
return;
}
if (this.block_count == 0)
{
Interlocked.Exchange(ref this.block_count, new Random().Next(10));
}
else
{
Interlocked.Exchange(ref this.block_count, 10);
}
Interlocked.Exchange(ref this.block_time, Helper.CurrentTimeMillis());
Logger.Warning("Duplicate block produced : " + block.ToString());
}
public void ProcessBlock(BlockCapsule block)
{
lock (locker_block)
{
try
{
if (!this.fresh_block_id.Contains(block.Id))
{
Manager.Instance.DBManager.PushBlock(block);
this.fresh_block_id.Enqueue(block.Id);
Logger.Info("Success process block " + block.Id.GetString());
}
}
catch (System.Exception e)
{
if (e is ValidateSignatureException ||
e is ContractValidateException ||
e is ContractExeException ||
e is UnLinkedBlockException ||
e is ValidateScheduleException ||
e is AccountResourceInsufficientException ||
e is TaposException ||
e is TooBigTransactionException ||
e is TooBigTransactionResultException ||
e is DupTransactionException ||
e is TransactionExpirationException ||
e is BadNumberBlockException ||
e is BadBlockException ||
e is NonCommonBlockException ||
e is ReceiptCheckErrorException ||
e is VMIllegalException)
{
throw new P2pException(P2pException.ErrorType.BAD_BLOCK, e.Message, e);
}
throw e;
}
}
}
public static int GetTransactionCountByBlockNum(long block_num)
{
int count = 0;
try
{
BlockCapsule block = Manager.Instance.DBManager.GetBlockByNum(block_num);
if (block != null)
{
count = block.Transactions.Count;
}
else
{
throw new ItemNotFoundException("Not found block");
}
}
catch (System.Exception e)
{
throw e;
}
return(count);
}
public void ValidWitnessProductTwoBlock(BlockCapsule block)
{
try
{
BlockCapsule history_block = (BlockCapsule)this.history_block_cache.Get(block.Num.ToString());
if (history_block != null &&
history_block.WitnessAddress.ToByteArray().SequenceEqual(block.WitnessAddress.ToByteArray()) &&
!block.Id.Hash.SequenceEqual(history_block.Id.Hash))
{
string key = block.WitnessAddress.ToByteArray().ToHexString();
if (!this.cheat_witnesses.TryGetValue(key, out CheatWitnessInfo value))
{
CheatWitnessInfo cheat_witness = new CheatWitnessInfo();
this.cheat_witnesses.Add(key, cheat_witness);
}
value.Clear();
value.Time = Helper.CurrentTimeMillis();
value.LatestBlockNum = block.Num;
value.Add(block);
value.Add(history_block);
value.Increment();
}
else
{
this.history_block_cache.Add(block.Num.ToString(), block, new CacheItemPolicy());
}
}
catch (System.Exception)
{
Logger.Error(
string.Format("valid witness same time product two block fail! blockNum: {0}, blockHash: {1}",
block.Num,
block.Id.ToString()));
}
}
private void ProcessSyncBlock(BlockCapsule block)
{
System.Exception exception = null;
try
{
Logger.Refactoring(
string.Format("Process sync block : {0}", block.Num));
Manager.Instance.NetDelegate.ProcessBlock(block);
}
catch (System.Exception e)
{
Logger.Error(
string.Format("Process sync block {0} failed.", block.Id.GetString()));
exception = e;
}
foreach (PeerConnection peer in Manager.Instance.NetDelegate.ActivePeers)
{
if (peer.SyncBlockProcess.Remove(block.Id))
{
if (exception == null)
{
peer.BlockBothHave = block.Id;
if (peer.SyncBlockFetch.IsEmpty)
{
SyncNext(peer);
}
}
else
{
peer.Disconnect(Protocol.ReasonCode.BadBlock, exception.Message);
}
}
}
}
private void ProcessBlock(PeerConnection peer, BlockCapsule block)
{
BlockId block_id = block.Id;
if (!Manager.Instance.NetDelegate.ContainBlock(block.ParentId))
{
Logger.Warning(
string.Format("Get unlink block {0} from {1}, head is {2}.",
block.Id.GetString(),
peer.Address.ToString(),
Manager.Instance.NetDelegate.HeadBlockId.GetString()));
Manager.Instance.SyncService.StartSync(peer);
return;
}
if (Args.Instance.IsFastForward && Manager.Instance.NetDelegate.ValidBlock(block))
{
Manager.Instance.AdvanceService.Broadcast(new BlockMessage(block));
}
Manager.Instance.NetDelegate.ProcessBlock(block);
Manager.Instance.WitnessBlockService.ValidWitnessProductTwoBlock(block);
Manager.Instance.NetDelegate.ActivePeers.ForEach(p =>
{
if (p.GetInventoryReceive(new Item(block.Id, InventoryType.Block)) != null)
{
p.BlockBothHave = block.Id;
}
});
if (!Args.Instance.IsFastForward)
{
Manager.Instance.AdvanceService.Broadcast(new BlockMessage(block));
}
}
public bool ValidateWitnessSchedule(BlockCapsule block)
{
return(ValidateWitnessSchedule(
block.Instance.BlockHeader.RawData.WitnessAddress,
block.Timestamp));
}
public void Init(BlockCapsule block)
{
Init(block, false);
}
public void Add(BlockCapsule block)
{
this.blocks.Add(block);
}
private BlockProductionCondition TryProduceBlock()
{
Logger.Info("Try Produce Block");
long now = Helper.CurrentTimeMillis() + 50;
if (need_sync_check)
{
long next_slot_time = this.controller.GetSlotTime(1);
if (next_slot_time > now)
{
need_sync_check = false;
Thread.Sleep((int)(next_slot_time - now));
now = Helper.CurrentTimeMillis();
}
else
{
Logger.Debug(
string.Format("Not sync, Now : {0}, HeadBlockTime:{1}, HeadBlockNumber : {2}, HeadBlockId:{3}",
now.ToDateTime().ToLocalTime(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderTimestamp().ToDateTime().ToLocalTime(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderNumber(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderHash()));
return(BlockProductionCondition.NOT_SYNCED);
}
}
if (this.backup_manager.Status != BackupManager.BackupStatus.MASTER)
{
return(BlockProductionCondition.BACKUP_STATUS_IS_NOT_MASTER);
}
if (DupWitnessCheck())
{
return(BlockProductionCondition.DUP_WITNESS);
}
int participation = this.controller.CalculateParticipationRate();
if (participation < MIN_PARTICIPATION_RATE)
{
Logger.Warning(
string.Format("Participation[{0}] > MIN_PARTICIPATION_RATE[{1}]",
participation,
MIN_PARTICIPATION_RATE));
this.controller.DumpParticipationLog();
return(BlockProductionCondition.LOW_PARTICIPATION);
}
if (!this.controller.ActiveWitnessesContain(this.local_witness_states.Keys.ToHashSet()))
{
string log_address = "";
foreach (var addr in this.controller.GetActiveWitnesses().Select(witness => Wallet.AddressToBase58(witness.ToByteArray())))
{
log_address += "\n" + "[" + addr + "]";
}
Logger.Info(
string.Format("Unelected. Elected Witnesses: {0}", log_address));
return(BlockProductionCondition.UNELECTED);
}
try
{
BlockCapsule block = null;
lock (this.db_manager)
{
long slot = this.controller.GetSlotAtTime(now);
Logger.Debug("Slot : " + slot);
if (slot == 0)
{
Logger.Info(
string.Format("Not time yet, Now : {0}, HeadBlockTime : {1}, HeadBlockNumber : {2}, HeadBlockId:{3}",
now.ToDateTime().ToLocalTime(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderTimestamp().ToDateTime().ToLocalTime(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderNumber(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderHash()));
return(BlockProductionCondition.NOT_TIME_YET);
}
if (now < this.db_manager.DynamicProperties.GetLatestBlockHeaderTimestamp())
{
Logger.Warning(
string.Format("timestamp : {0} less than or equal to the previous block timestamp : {1}",
now.ToDateTime().ToLocalTime(),
this.db_manager.DynamicProperties.GetLatestBlockHeaderTimestamp().ToDateTime().ToLocalTime()));
return(BlockProductionCondition.EXCEPTION_PRODUCING_BLOCK);
}
ByteString scheduled_witness = this.controller.GetScheduleWitness(slot);
if (!this.local_witness_states.ContainsKey(scheduled_witness))
{
Logger.Info(
string.Format("It's not my turn, ScheduledWitness[{0}], Slot[{1}], AbsSlot[{2}],",
Wallet.AddressToBase58(scheduled_witness.ToByteArray()),
slot,
controller.GetAbsSlotAtTime(now)));
return(BlockProductionCondition.NOT_MY_TURN);
}
long scheduled_time = controller.GetSlotTime(slot);
if (scheduled_time - now > PRODUCE_TIME_OUT)
{
return(BlockProductionCondition.LAG);
}
if (!this.privatekeys.ContainsKey(scheduled_witness))
{
return(BlockProductionCondition.NO_PRIVATE_KEY);
}
this.controller.IsGeneratingBlock = true;
block = GenerateBlock(scheduled_time, scheduled_witness, this.db_manager.LastHeadBlockIsMaintenance());
if (block == null)
{
Logger.Warning("Exception when generate block");
return(BlockProductionCondition.EXCEPTION_PRODUCING_BLOCK);
}
int block_produce_timeout = Args.Instance.Node.BlockProducedTimeout;
long timeout = Math.Min(Parameter.ChainParameters.BLOCK_PRODUCED_INTERVAL * block_produce_timeout / 100 + 500,
Parameter.ChainParameters.BLOCK_PRODUCED_INTERVAL);
if (DateTime.Now.Millisecond - now > timeout)
{
Logger.Warning(
string.Format("Task timeout ( > {0}ms)，startTime:{1}, endTime:{2}",
timeout,
now.ToDateTime().ToLocalTime(),
DateTime.Now));
this.db_manager.EraseBlock();
return(BlockProductionCondition.TIME_OUT);
}
}
Logger.Info(
string.Format(
"Produce block successfully, BlockNumber:{0}, AbsSlot[{1}], BlockId:{2}, TransactionSize:{3}, BlockTime:{4}, ParentBlockId:{5}",
block.Num,
controller.GetAbsSlotAtTime(now),
block.Id,
block.Transactions.Count,
block.Timestamp.ToDateTime().ToLocalTime(),
block.ParentId));
Logger.Refactoring(
string.Format("Produce block successfully, block number {0}", block.Num));
BroadcastBlock(block);
return(BlockProductionCondition.PRODUCED);
}
catch (System.Exception e)
{
Logger.Error(e.Message);
return(BlockProductionCondition.EXCEPTION_PRODUCING_BLOCK);
}
finally
{
this.controller.IsGeneratingBlock = false;
}
}
public RunTime(Transaction tx, BlockCapsule block, Deposit deposit, IProgramInvokeFactory invoke_factory, bool is_static_call)
: this(tx, block, deposit, invoke_factory)
{
this.is_static_call = is_static_call;
}
public KhaosBlock(BlockCapsule block)
{
this.block = block;
this.id = block.Id;
this.num = block.Num;
}
public BlockMessage(BlockCapsule block)
{
this.data = block.Data;
this.type = (byte)MessageTypes.MsgType.BLOCK;
this.block = block;
}