public void NonceTestMethod()
{
string message = "Keyhole Software";
Console.WriteLine("Message: " + message);
string hashValue = SHA256.generateHash(message);
Console.WriteLine(string.Format("Hash: {0}", hashValue));
string nonceKey = "12345";
long nonce = 0;
bool nonceFound = false;
string nonceHash = "";
long start = TimeUtils.CurrentTimeMillis();
while (!nonceFound)
{
nonceHash = SHA256.generateHash(message + nonce);
nonceFound = nonceHash.Substring(0, nonceKey.Length).Equals(nonceKey);
nonce++;
}
long ms = TimeUtils.CurrentTimeMillis() - start;
Console.WriteLine(string.Format("Nonce: {0} ", ms));
Console.WriteLine(string.Format("Nonce Hash: {0}", nonceHash));
Console.WriteLine(string.Format("Nonce Search Time: {0} ms", ms));
Assert.IsTrue(nonceFound);
}
public BlockWithTransactions Build(ulong nonce)
{
var txs = _transactions ?? throw new InvalidOperationException();
var merkleRoot = UInt256Utils.Zero;
if (txs.Count > 0)
{
merkleRoot = MerkleTree.ComputeRoot(txs.Select(tx => tx.Hash).ToArray()) ??
throw new InvalidOperationException();
}
var header = new BlockHeader
{
PrevBlockHash = _prevBlock != null?_prevBlock.Keccak() : UInt256Utils.Zero,
MerkleRoot = merkleRoot,
Index = _prevBlock?.Index + 1 ?? 0,
StateHash = _stateHash,
Nonce = nonce
};
var block = new Block
{
Hash = header.Keccak(),
TransactionHashes = { txs.Select(tx => tx.Hash) },
Header = header,
Multisig = _multiSig ?? new MultiSig(),
Timestamp = TimeUtils.CurrentTimeMillis(),
};
return(new BlockWithTransactions(block, txs));
}
public void Test_SignRoundTrip()
{
var privateKey = "0xD95D6DB65F3E2223703C5D8E205D98E3E6B470F067B0F94F6C6BF73D4301CE48".HexToBytes();
var publicKey = Crypto.ComputePublicKey(privateKey, true);
var address = "0x6Bc32575ACb8754886dC283c2c8ac54B1Bd93195".HexToBytes();
CollectionAssert.AreEqual(address, Crypto.ComputeAddress(publicKey));
var startTs = TimeUtils.CurrentTimeMillis();
const int n = 100;
for (var it = 0; it < n; ++it)
{
// var message = "0xdeadbeef" + it.ToString("X4");
var message =
"0xec808504a817c800825208948e7b7262e0fa4616566591d51f998f16a79fb547880de0b6b3a764000080018080";
var digest = message.HexToBytes();
// using old chain id
var signature = Crypto.Sign(digest, privateKey, false);
Assert.IsTrue(Crypto.VerifySignature(digest, signature, publicKey, false));
var recoveredPubkey = Crypto.RecoverSignature(digest, signature, false);
Assert.AreEqual(recoveredPubkey, publicKey);
// using new chain id
signature = Crypto.Sign(digest, privateKey, true);
Assert.IsTrue(Crypto.VerifySignature(digest, signature, publicKey, true));
recoveredPubkey = Crypto.RecoverSignature(digest, signature, true);
Assert.AreEqual(recoveredPubkey, publicKey);
}
var endTs = TimeUtils.CurrentTimeMillis();
Console.WriteLine($"Full sign + recover time: {endTs - startTs}ms");
Console.WriteLine($"Per 1 iteration: {(double) (endTs - startTs) / n}ms");
}
private static void _Benchmark(string text, Func <int, int> action, uint tries)
{
var lastTime = TimeUtils.CurrentTimeMillis();
var mod = tries / 100;
if (mod == 0)
{
mod = 1;
}
for (var i = 0; i < tries; i++)
{
if (i % mod == 0)
{
Console.CursorLeft = 0;
Console.Write($"{text} {100 * i / tries}%");
}
action(i);
}
var deltaTime = TimeUtils.CurrentTimeMillis() - lastTime;
Console.CursorLeft = text.Length;
Console.WriteLine($"{1000.0 * tries / deltaTime} RPS");
}
public BlockchainEventFilterParams(BlockchainEvent eventType, UInt256[] txHashes)
{
EventType = eventType;
// sorting the tx hashes for further optimization
Array.Sort(txHashes, (x, y) => UInt256Utils.Compare(x, y));
PendingTransactionList = new List <UInt256>(txHashes.ToList());
PollingTime = TimeUtils.CurrentTimeMillis();
}
public T Benchmark <T>(Func <T> action)
{
var startTs = TimeUtils.CurrentTimeMillis();
var res = action.Invoke();
TotalTime += TimeUtils.CurrentTimeMillis() - startTs;
Count += 1;
return(res);
}
public BlockchainEventFilterParams(BlockchainEvent eventType, ulong?fromBlock, ulong?toBlock, List <UInt160> addresses, List <List <UInt256> > topics)
{
EventType = eventType;
FromBlock = fromBlock;
ToBlock = toBlock;
AddressList = new List <UInt160>(addresses);
TopicLists = new List <List <UInt256> >(topics);
PollingTime = TimeUtils.CurrentTimeMillis();
}
private JObject GetNodeStats()
{
using var process = Process.GetCurrentProcess();
return(new JObject
{
["uptime"] = TimeUtils.CurrentTimeMillis() - _startTs,
["threads"] = process.Threads.Count,
["memory"] = process.WorkingSet64,
["max_memory"] = process.PeakWorkingSet64,
});
}
public void RemoveUnusedFilters()
{
var currentTime = TimeUtils.CurrentTimeMillis();
foreach (var(filterId, filterParams) in _filters)
{
if (currentTime - filterParams.PollingTime >= TimeOut())
{
Remove(filterId);
}
}
}
private void Worker()
{
_isConnected = true;
while (_isConnected)
{
var now = TimeUtils.CurrentTimeMillis();
MessageBatchContent toSend = new MessageBatchContent();
lock (_messageQueue)
{
const int maxSendSize = 64 * 1024; // let's not send more than 64 KiB at once
while (_messageQueue.Count > 0 && toSend.CalculateSize() < maxSendSize)
{
var message = _messageQueue.First.Value;
toSend.Messages.Add(message);
_messageQueue.RemoveFirst();
}
}
if (toSend.Messages.Count > 0)
{
var megaBatch = _messageFactory.MessagesBatch(toSend.Messages);
var megaBatchBytes = megaBatch.ToByteArray();
if (megaBatchBytes.Length == 0)
{
throw new Exception("Cannot send empty message");
}
Logger.LogTrace(
$"Sending {toSend.Messages.Count} messages to hub, {megaBatchBytes.Length} bytes total, peer = {PeerPublicKey.ToHex()}");
var messageTypes = toSend.Messages.Select(m =>
m.MessageCase != NetworkMessage.MessageOneofCase.ConsensusMessage
? m.MessageCase.ToString()
: m.ConsensusMessage.PrettyTypeString()
);
Logger.LogTrace($"Messages types: {string.Join("; ", messageTypes)}");
foreach (var message in toSend.Messages)
{
MessageCounter
.WithLabels(PeerPublicKey.ToHex(), message.MessageCase.ToString())
.Inc();
MessageBytesCounter
.WithLabels(PeerPublicKey.ToHex(), message.MessageCase.ToString())
.Inc(message.CalculateSize());
}
_hubConnector.Send(PeerPublicKey, megaBatchBytes);
_eraMsgCounter += 1;
}
var toSleep = Math.Clamp(250 - (long)(TimeUtils.CurrentTimeMillis() - now), 1, 1000);
Thread.Sleep(TimeSpan.FromMilliseconds(toSleep));
}
}
public NodeService(
IBlockSynchronizer blockSynchronizer,
IBlockchainEventFilter blockchainEventFilter,
INetworkManager networkManager,
IBlockManager blockManager
)
{
_blockchainEventFilter = blockchainEventFilter;
_blockSynchronizer = blockSynchronizer;
_blockManager = blockManager;
_startTs = TimeUtils.CurrentTimeMillis();
}
public JArray GetLogs(ulong id, BlockchainEventFilterParams filter, bool poll)
{
if (poll)
{
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
if ((filter.FromBlock is null) || (filter.ToBlock is null))
{
return(new JArray());
}
return(GetLogs((ulong)filter.FromBlock, (ulong)filter.ToBlock, filter.AddressList, filter.TopicLists));
}
private static void _BenchOneTxInBlock(
ITransactionBuilder transactionBuilder,
ITransactionSigner transactionSigner,
EcdsaKeyPair keyPair
)
{
var address1 = "0x6bc32575acb8754886dc283c2c8ac54b1bd93195".HexToUInt160();
var address2 = "0xe3c7a20ee19c0107b9121087bcba18eb4dcb8576".HexToUInt160();
var lastTime = TimeUtils.CurrentTimeMillis();
const int tries = 100;
for (var i = 0; i < tries; i++)
{
if (i % 10 == 0)
{
Console.CursorLeft = 0;
Console.Write($"Benchmarking... {100 * i / tries}%");
}
var transferTx =
transactionBuilder.TransferTransaction(address1, address2, Money.FromDecimal(1.2m));
var signed = transactionSigner.Sign(transferTx, keyPair, true);
// var blockWithTxs = new BlockBuilder(latestBlock.Header)
// .WithTransactions(new[] {signed})
// .Build(123456);
// // var stateHash = blockchainManager.CalcStateHash(blockWithTxs.Block, blockWithTxs.Transactions);
// var block = blockWithTxs.Block;
// // block.Header.StateHash = stateHash;
// block.Hash = block.Header.Keccak();
// block.Multisig = new MultiSig
// {
// Quorum = 1,
// Signatures =
// {
// new MultiSig.Types.SignatureByValidator
// {
// Key = keyPair.PublicKey,
// Value = blockManager.Sign(block.Header, keyPair)
// }
// },
// Validators = {keyPair.PublicKey}
// };
// // blockchainManager.PersistBlockManually(block, blockWithTxs.Transactions);
}
var deltaTime = TimeUtils.CurrentTimeMillis() - lastTime;
Console.CursorLeft = "Benchmarking... ".Length;
Console.WriteLine($"{1000 * tries / deltaTime} RPS");
}
public void Start(RunOptions options)
{
var stateManager = _container.Resolve <IStateManager>();
const uint T = 100000;
const uint batches = 10;
IDictionary <UInt256, UInt256> blocks = new Dictionary <UInt256, UInt256>();
var contract = UInt160Utils.Zero;
Console.WriteLine("Initial repo version: " + stateManager.LastApprovedSnapshot.Storage.Version);
for (var it = 0u; it < batches; ++it)
{
Console.WriteLine($"commit number {it}");
var snapshot = stateManager.NewSnapshot();
var start = TimeUtils.CurrentTimeMillis();
for (var i = 0u; i < T; ++i)
{
if (blocks.Count == 0 || Rand() % 3 != 0)
{
var key = RandUInt256();
var value = RandUInt256();
blocks[key] = value;
snapshot.Storage.SetValue(contract, key, value);
}
else
{
var key = blocks.Keys.First();
snapshot.Storage.DeleteValue(contract, key, out var wasValue);
if (!wasValue.Equals(blocks[key]))
{
throw new InvalidOperationException("FAIL: value in storage is incorrect");
}
blocks.Remove(key);
}
}
stateManager.Approve();
var inMemPhase = TimeUtils.CurrentTimeMillis();
Console.WriteLine($"{T} insertions in {inMemPhase - start}ms");
Console.WriteLine($"{(double) (inMemPhase - start) / T}ms per insertion");
Console.WriteLine($"{(double) T * 1000 / (inMemPhase - start)} insertions per sec");
stateManager.Commit();
var commit = TimeUtils.CurrentTimeMillis();
Console.WriteLine($"Commited {T} operations in {commit - inMemPhase}ms");
}
}
public void Start()
{
_startTime = TimeUtils.CurrentTimeMillis();
while (!Terminated)
{
MessageEnvelope msg;
lock (_queueLock)
{
while (_queue.IsEmpty && !Terminated)
{
Monitor.Wait(_queueLock, 1000);
if (TimeUtils.CurrentTimeMillis() - _startTime > _alertTime)
{
Logger.LogWarning($"Protocol {Id} is waiting for _queueLock too long, last message" +
$" is [{_lastMessage}]");
}
}
if (Terminated)
{
return;
}
_queue.TryDequeue(out msg);
}
try
{
ProcessMessage(msg);
MessageCounter.WithLabels($"{Id}".Split(' ')[0], msg.TypeString()).Inc();
if (TimeUtils.CurrentTimeMillis() - _startTime > _alertTime)
{
Logger.LogWarning($"Protocol {Id} is too long, last message is [{_lastMessage}]");
}
}
catch (Exception e)
{
// We should investigate exceptions for each protocol and handle them carefully. Consensus depend
// on the messages from honest validators to deliver properly, no matter the delay. If a protocol
// stops due to exception while handling message from malicious node, this may interrupt the communication
// among honest nodes which may cause the consensus stop working, or worse, giving wrong result.
Logger.LogError($"{Id}: exception occured while processing message: {e}");
Terminated = true;
break;
}
}
}
private void SetKeyboardListener()
{
KeyboardWatcher.OnKeyInput += (s, e) =>
{
Console.WriteLine(e.KeyData.Keyname);
if (ClickedOnEscBtn(e))
{
userCommandsListener.OnExit();
return;
}
if (ClickedOnUndoBtn(e) && ClickLegal())
{
lastTimeClicked = TimeUtils.CurrentTimeMillis();
userCommandsListener.OnUndo();
}
if (ClickedOnSkipBtn(e) && ClickLegal())
{
lastTimeClicked = TimeUtils.CurrentTimeMillis();
userCommandsListener.OnUserSkipped();
}
if (ClickedOnPauseBtn(e) && ClickLegal())
{
lastTimeClicked = TimeUtils.CurrentTimeMillis();
//if running
if (isAllowedToReadPixel)
{
userCommandsListener.OnUserPaused(true);
isAllowedToReadPixel = false;
}
else
{
//if paused
isAllowedToReadPixel = true;
userCommandsListener.OnUserPaused(false);
LookForAColor().Start();
}
}
};
}
void SetNotification_GAME(string MesajTitle, string MesajIcerigi, string GetMessageDTOJSON1)
{
int requestID = (int)TimeUtils.CurrentTimeMillis();
var resultIntent = new Intent(this, typeof(ArkadasOyunSec_Gelen));
resultIntent.SetFlags(ActivityFlags.ClearTop | ActivityFlags.SingleTop | ActivityFlags.NewTask);
resultIntent.PutExtra("GetMessageDTOJSON", GetMessageDTOJSON1);
var stackBuilder = Android.App.TaskStackBuilder.Create(this);
stackBuilder.AddParentStack(Java.Lang.Class.FromType(typeof(ArkadasOyunSec_Gelen)));
stackBuilder.AddNextIntent(resultIntent);
// Create the PendingIntent with the back stack:
var resultPendingIntent = stackBuilder.GetPendingIntent(requestID, PendingIntentFlags.UpdateCurrent | PendingIntentFlags.OneShot);
// Build the notification:
var builder = new NotificationCompat.Builder(this, CHANNEL_ID)
.SetAutoCancel(true) // Dismiss the notification from the notification area when the user clicks on it
.SetContentIntent(resultPendingIntent) // Start up this activity when the user clicks the intent.
.SetContentTitle(MesajTitle) // Set the title
.SetNumber(30) // Display the count in the Content Info
.SetSmallIcon(Resource.Mipmap.ic_launcher)
//.SetVibrate(new long[] { 0, 500, 1000 })
.SetPriority(NotificationCompat.PriorityHigh)
//.SetSound(uri)
.SetContentText(MesajIcerigi); // the message to display.
//// Instantiate the Big Text style:
//NotificationCompat.BigTextStyle textStyle = new NotificationCompat.BigTextStyle();
//// Fill it with text:
//textStyle.BigText(MesajIcerigi);
//// Set the summary text:
//textStyle.SetSummaryText(MesajIcerigi);
//// Plug this style into the builder:
//builder.SetStyle(textStyle);
var notificationManager = NotificationManagerCompat.From(this);
var newid = NOTIFICATION_ID++;
notificationManager.Notify(requestID, builder.Build());
}
public Block <T> newBlock()
{
int count = chain.Count();
string previousHash = "root";
if (count > 0)
{
previousHash = blockChainHash();
}
Block <T> block = new Block <T>();
block.setTimeStamp(TimeUtils.CurrentTimeMillis());
block.setIndex(count);
block.setPreviousHash(previousHash);
// chain.add(block);
return(block);
}
public void RegisterMeasurement(long delta)
{
var timestamp = TimeUtils.CurrentTimeMillis();
if (timestamp >= LastTimeReported + Interval.TotalMilliseconds)
{
if (LastTimeReported != 0)
{
_callback.Invoke((float)Sum * 1000 / (timestamp - LastTimeReported), Count);
}
Count = 0;
Sum = 0;
LastTimeReported = timestamp;
}
Count += 1;
Sum += delta;
}
public void Run()
{
init();
long lastTime = TimeUtils.GetNanoseconds();
double nsPerTick = 1000000000D / 60D;
int ticks = 0;
long lastTimer = TimeUtils.CurrentTimeMillis();
double delta = 0;
while (running)
{
if (!paused)
{
long now = TimeUtils.GetNanoseconds();
delta += (now - lastTime) / nsPerTick;
lastTime = now;
while (delta >= 1)
{
ticks++;
tick();
delta -= 1;
}
Thread.Sleep(2);
//Console.WriteLine(ticks + " GameCore ticks");
if (TimeUtils.CurrentTimeMillis() - lastTimer >= 1000)
{
lastTimer += 1000;
Console.WriteLine(ticks + " GameCore ticks");
ticks = 0;
}
}
}
stop();
}
private void PingWorker()
{
while (_running)
{
try
{
var reply = _networkManager.MessageFactory.PingReply(
TimeUtils.CurrentTimeMillis(), _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight()
);
_networkBroadcaster.Broadcast(reply);
Logger.LogTrace($"Broadcasted our height: {reply.PingReply.BlockHeight}");
}
catch (Exception e)
{
Logger.LogError($"Error in ping worker: {e}");
}
Thread.Sleep(TimeSpan.FromMilliseconds(3_000));
}
}
public void Test_AesGcmEncryptDecryptRoundTrip()
{
var key = Crypto.GenerateRandomBytes(32);
var baseText =
"0xf86d808504a817c800832dc6c0948e7b7262e0fa4616566591d51f998f16a79fb547880de0b6b3a76400008025a0115105d96a43f41a5ea562bb3e591cbfa431a8cdae9c3030457adca2cb854f78a012fb41922c53c73473563003667ed8e783359c91d95b42301e1955d530b1ca33"
.HexToBytes();
const int n = 1000;
var startTs = TimeUtils.CurrentTimeMillis();
for (var it = 0; it < n; ++it)
{
var plaintext = baseText.Concat(it.ToBytes()).ToArray();
var cipher = Crypto.AesGcmEncrypt(key, plaintext);
var decrypted = Crypto.AesGcmDecrypt(key, cipher);
Assert.IsTrue(plaintext.SequenceEqual(decrypted));
}
var endTs = TimeUtils.CurrentTimeMillis();
Console.WriteLine($"{n} encrypt/decrypt: {endTs - startTs}ms, avg = {(double) (endTs - startTs) / n}");
}
public JArray SyncPendingTransaction(ulong id, BlockchainEventFilterParams filter, bool poll)
{
var results = new JArray();
var pendingTx = filter.PendingTransactionList;
var poolTx = _transactionPool.Transactions.Keys.ToArray();
Array.Sort(poolTx, (x, y) => UInt256Utils.Compare(x, y));
// comparing two sorted list listA and listB in O(listA.Count + listB.Count)
int iter = 0;
foreach (var txHash in poolTx)
{
if (txHash is null)
{
continue;
}
while (iter < pendingTx.Count && UInt256Utils.Compare(txHash, pendingTx[iter]) > 0)
{
iter++;
}
if (iter == pendingTx.Count || UInt256Utils.Compare(txHash, pendingTx[iter]) < 0)
{
results.Add(Web3DataFormatUtils.Web3Data(txHash));
}
}
if (poll)
{
// Pending transaction list in filter must be sorted for further optimization
filter.PendingTransactionList = new List <UInt256>(poolTx.ToList());
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
return(results);
}
public JArray SyncBlocks(ulong id, BlockchainEventFilterParams filter, bool poll)
{
var results = new JArray();
var lastSyncedBlock = filter.LastSyncedBlock;
var highestBlock = _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight();
for (var i = lastSyncedBlock; i < highestBlock; i++)
{
var block = _blockManager.GetByHeight(i);
if (block is null)
{
continue;
}
results.Add(Web3DataFormatUtils.Web3Data(block !.Hash));
}
if (poll)
{
filter.LastSyncedBlock = highestBlock;
filter.PollingTime = TimeUtils.CurrentTimeMillis();
_filters[id] = filter;
}
return(results);
}
public override double Evaluate(Reasoner reasoner, ITerm[] args)
{
return(TimeUtils.CurrentTimeMillis());
}
private bool ClickLegal()
{
return(TimeUtils.CurrentTimeMillis() - lastTimeClicked > CLICK_SAFETY_WAIT_MILLIS);
}
private void BlockSyncWorker()
{
var rnd = new Random();
Logger.LogDebug("Starting block synchronization worker");
while (_running)
{
try
{
var myHeight = _blockManager.GetHeight();
if (myHeight > _networkManager.LocalNode.BlockHeight)
{
_networkManager.LocalNode.BlockHeight = myHeight;
}
if (_peerHeights.Count == 0)
{
Logger.LogWarning("Peer height map is empty, nobody responds to pings?");
Thread.Sleep(TimeSpan.FromMilliseconds(1_000));
continue;
}
var maxHeight = _peerHeights.Values.Max();
if (myHeight >= maxHeight)
{
Logger.LogTrace($"Nothing to do: my height is {myHeight} and peers are at {maxHeight}");
Thread.Sleep(TimeSpan.FromMilliseconds(1_000));
continue;
}
const int maxPeersToAsk = 1;
const int maxBlocksToRequest = 10;
var peers = _peerHeights
.Where(entry => entry.Value >= maxHeight)
.Select(entry => entry.Key)
.OrderBy(_ => rnd.Next())
.Take(maxPeersToAsk)
.ToArray();
var leftBound = myHeight + 1;
var rightBound = Math.Min(maxHeight, myHeight + maxBlocksToRequest);
Logger.LogTrace($"Sending query for blocks [{leftBound}; {rightBound}] to {peers.Length} peers");
foreach (var peer in peers)
{
_networkManager.SendTo(
peer, _networkManager.MessageFactory.SyncBlocksRequest(leftBound, rightBound)
);
}
var waitStart = TimeUtils.CurrentTimeMillis();
while (true)
{
lock (_peerHasBlocks)
{
Monitor.Wait(_peerHasBlocks, TimeSpan.FromMilliseconds(1_000));
}
if (TimeUtils.CurrentTimeMillis() - waitStart > 5_000)
{
break;
}
}
}
catch (Exception e)
{
Logger.LogError($"Error in block synchronizer: {e}");
Thread.Sleep(1_000);
}
}
}
public OperatingError Execute(Block block, IEnumerable <TransactionReceipt> transactionsEnumerable, bool checkStateHash,
bool commit)
{
// No two threads can be in the safeContext at the same time.
// Always execute / emulate inside safeContext. this makes sure that no two threads
// concurrently writes to the chain.
var error = _stateManager.SafeContext(() =>
{
var transactions = transactionsEnumerable.ToList();
var snapshotBefore = _stateManager.LastApprovedSnapshot;
var startTime = TimeUtils.CurrentTimeMillis();
var operatingError = _Execute(
block, transactions, out _, out _, false, out var gasUsed, out var totalFee
);
if (operatingError != OperatingError.Ok)
{
Logger.LogError($"Error occured while executing block: {operatingError}");
return(operatingError);
}
if (checkStateHash && !_stateManager.LastApprovedSnapshot.StateHash.Equals(block.Header.StateHash))
{
Logger.LogError(
$"Cannot execute block {block.Hash.ToHex()} " +
$"with stateHash={block.Header.StateHash.ToHex()} specified in header," +
$"since computed state hash is {_stateManager.LastApprovedSnapshot.StateHash.ToHex()}, " +
$"stack trace is {new System.Diagnostics.StackTrace()}");
_stateManager.RollbackTo(snapshotBefore);
return(OperatingError.InvalidStateHash);
}
/* flush changes to database */
if (!commit)
{
return(OperatingError.Ok);
}
// TODO: this is hack to avoid concurrency issues, one more save will be done in BlockPersisted() call
_snapshotIndexRepository.SaveSnapshotForBlock(block.Header.Index, _stateManager.LastApprovedSnapshot);
if (block.Header.Index > 0)
{
var blockTime = block.Timestamp -
_stateManager.LastApprovedSnapshot.Blocks.GetBlockByHeight(block.Header.Index - 1) !
.Timestamp;
BlockTime.Observe(blockTime / 1000.0);
BlockHeight.Set(block.Header.Index);
BlockSize.Observe(block.CalculateSize());
foreach (var transactionReceipt in transactions)
{
TxSize.Observe(transactionReceipt.Transaction.RlpWithSignature(transactionReceipt.Signature, HardforkHeights.IsHardfork_9Active(block.Header.Index)).Count());
}
TxInBlock.Observe(block.TransactionHashes.Count);
Logger.LogInformation(
$"New block {block.Header.Index} with hash {block.Hash.ToHex()}, " +
$"txs {block.TransactionHashes.Count} in {TimeUtils.CurrentTimeMillis() - startTime}ms, " +
$"gas used {gasUsed}, fee {totalFee}. " +
$"Since last block: {blockTime} ms"
);
}
_stateManager.Commit();
BlockPersisted(block);
return(OperatingError.Ok);
});
return(error);
}
public void Start(RunOptions options)
{
var stateManager = _container.Resolve <IStateManager>();
var hash = UInt160Utils.Zero;
var contract = new Contract
(
hash,
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.HexToBytes()
);
if (!VirtualMachine.VerifyContract(contract.ByteCode, true))
{
throw new Exception("Unable to validate smart-contract code");
}
var snapshot = stateManager.NewSnapshot();
snapshot.Contracts.AddContract(UInt160Utils.Zero, contract);
stateManager.Approve();
Console.WriteLine("Contract Hash: " + hash.ToHex());
for (var i = 0; i < 1; ++i)
{
var currentTime = TimeUtils.CurrentTimeMillis();
var currentSnapshot = stateManager.NewSnapshot();
var sender = "0x6bc32575acb8754886dc283c2c8ac54b1bd93195".HexToBytes().ToUInt160();
var to = "0xfd893ce89186fc6861d339cb6ab5d75458e3daf3".HexToBytes().ToUInt160();
/* give to sender 1 token */
var valueToTransfer = Money.Wei;
stateManager.CurrentSnapshot.Storage.SetValue(contract.ContractAddress, sender.ToUInt256(),
(valueToTransfer * 3).ToUInt256());
var context = new InvocationContext(sender, currentSnapshot, new TransactionReceipt());
{
/* ERC-20: totalSupply (0x18160ddd) */
Console.WriteLine("\nERC-20: totalSupply()");
var input = ContractEncoder.Encode("totalSupply()");
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
return;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* mint */
Console.WriteLine($"\nERC-20: mint({sender.ToHex()},{Money.FromDecimal(100)})");
var input = ContractEncoder.Encode("mint(address,uint256)", sender, Money.FromDecimal(100));
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: totalSupply (0x18160ddd) */
Console.WriteLine("\nERC-20: totalSupply()");
var input = ContractEncoder.Encode("totalSupply()");
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: balanceOf */
Console.WriteLine($"\nERC-20: balanceOf({sender.ToHex()}");
var input = ContractEncoder.Encode("balanceOf(address)", sender);
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: transfer */
Console.WriteLine($"\nERC-20: transfer({to.ToHex()},{Money.FromDecimal(50)})");
var input = ContractEncoder.Encode("transfer(address,uint256)", to, Money.FromDecimal(50));
// Console.WriteLine($"ABI: {input.ToHex()}");
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: balanceOf */
Console.WriteLine($"\nERC-20: balanceOf({sender.ToHex()}");
var input = ContractEncoder.Encode("balanceOf(address)", sender);
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: balanceOf */
Console.WriteLine($"\nERC-20: balanceOf({to.ToHex()}");
var input = ContractEncoder.Encode("balanceOf(address)", to);
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: approve */
Console.WriteLine($"\nERC-20: approve({to.ToHex()},{Money.FromDecimal(50)})");
var input = ContractEncoder.Encode("approve(address,uint256)", to, Money.FromDecimal(50));
// Console.WriteLine($"ABI: {input.ToHex()}");
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: transferFrom */
Console.WriteLine($"\nERC-20: transferFrom({to.ToHex()},{Money.FromDecimal(50)})");
var input = ContractEncoder.Encode("transferFrom(address,address,uint256)", sender, to,
Money.FromDecimal(50));
// Console.WriteLine($"ABI: {input.ToHex()}");
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: balanceOf */
Console.WriteLine($"\nERC-20: balanceOf({sender.ToHex()}");
var input = ContractEncoder.Encode("balanceOf(address)", sender);
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
{
/* ERC-20: balanceOf */
Console.WriteLine($"\nERC-20: balanceOf({to.ToHex()}");
var input = ContractEncoder.Encode("balanceOf(address)", to);
// Console.WriteLine("ABI: " + input.ToHex());
var status = VirtualMachine.InvokeWasmContract(contract, context, input, 100_000_000_000_000UL);
if (status.Status != ExecutionStatus.Ok)
{
stateManager.Rollback();
Console.WriteLine("Contract execution failed: " + status);
goto exit_mark;
}
Console.WriteLine($"Result: {status.ReturnValue!.ToHex()}");
}
stateManager.Approve();
exit_mark:
var elapsedTime = TimeUtils.CurrentTimeMillis() - currentTime;
Console.WriteLine("Elapsed Time: " + elapsedTime + "ms");
}
}
public BlockchainEventFilterParams(BlockchainEvent eventType, ulong lastSyncedBlock)
{
EventType = eventType;
LastSyncedBlock = lastSyncedBlock;
PollingTime = TimeUtils.CurrentTimeMillis();
}