public CoreBlockGenerator(CoreChain coreChain, CoreBlock lastBlock)
{
_coreChain = coreChain;
_lastBlock = lastBlock;
_blockState = coreChain.GetChainInfo(Protocol.CoreChainId).LastState;
NextAccountId = lastBlock.NextAccountId;
NextChainId = lastBlock.NextChainId;
}
public GenesisBlockResult(CoreBlock block, BlockSignatures signature, Key networkPublicKey, ChainKeyStore voteKey, string votePassword, Dictionary <int, List <ServiceTransaction> > serviceTransactions)
{
Block = block;
Signature = signature;
NetworkPublicKey = networkPublicKey;
NetworkVoteKey = voteKey;
NetworkVotePassword = votePassword;
ServiceTransactions = serviceTransactions;
}
public HashSet <long> CheckBlock(CoreBlock block)
{
var invalid = new HashSet <long>();
foreach (var transaction in block.Transactions)
{
var result = ConsumeTransaction(transaction, true); // add some extra time when checking blocks
if (result != TransactionResultTypes.Ok)
{
invalid.Add(transaction.TransactionId);
}
}
var newBlock = GenerateBlock(block.Issuer, block.Revision, block.Timestamp);
if (newBlock == null || newBlock.BlockHash != block.BlockHash)
{
if (newBlock != null)
{
var count = newBlock.Items.Count;
for (var i = 0; i < count; i++)
{
var op1 = newBlock.Items[i].Validation;
var op2 = block.Items[i].Validation;
if (op1.Hash != op2.Hash)
{
invalid.Add(block.Items[i].Transaction.OperationId);
}
}
}
if (invalid.Count <= 0)
{
invalid.Add(Protocol.InvalidBlockId);
}
}
return(invalid);
}
CoreBlock GenerateBlock(short issuer, int revision, long timestamp)
{
if (_blockInfo.ServiceBlocks.Count > 0)
{
var removed = new HashSet <int>();
foreach (var serviceBlockTransaction in _blockInfo.ServiceBlocks.Values)
{
var chainInfo = GetChainInfo(serviceBlockTransaction.ServiceBlock.ChainId);
var totalRevenue = chainInfo.GetTotalAccountRevenue(timestamp);
var totalPayout = chainInfo.TotalAccountPayout;
var availablePayout = totalRevenue - totalPayout;
var invalidBalance = false;
foreach (var serviceTransaction in serviceBlockTransaction.ServiceBlock.Transactions)
{
if (serviceTransaction.TransactionType == ServiceTransactionTypes.Purchase)
{
var purchaseTransaction = serviceTransaction as PurchaseServiceTransaction;
var buyer = GetCoreAccount(purchaseTransaction.AccountId);
if (!buyer.CanPurchase(purchaseTransaction.Price))
{
invalidBalance = true;
removed.Add(serviceBlockTransaction.ServiceBlock.ChainId);
break;
}
}
else if (serviceTransaction.TransactionType == ServiceTransactionTypes.RequestRevenue)
{
var revenue = serviceTransaction as RequestRevenueServiceTransaction;
availablePayout -= revenue.PayoutAmount;
if (availablePayout < 0)
{
invalidBalance = true;
break;
}
}
}
if (!invalidBalance)
{
var serviceAccount = GetCoreAccount(chainInfo.AccountId);
foreach (var serviceTransaction in serviceBlockTransaction.ServiceBlock.Transactions)
{
if (serviceTransaction.TransactionType == ServiceTransactionTypes.Purchase)
{
var purchaseTransaction = serviceTransaction as PurchaseServiceTransaction;
var buyer = GetCoreAccount(purchaseTransaction.AccountId);
buyer.Purchase(purchaseTransaction.Price, serviceAccount);
_blockInfo.AccountUpdates.Purchases.Add(purchaseTransaction);
_blockInfo.AccountUpdates.AffectedAccounts.Add(serviceTransaction.AccountId);
_blockInfo.AccountUpdates.AffectedAccounts.Add(purchaseTransaction.ReceiverAccountId);
_blockInfo.AccountUpdates.AffectedAccounts.Add(chainInfo.AccountId);
}
else if (serviceTransaction.TransactionType == ServiceTransactionTypes.Join)
{
_blockInfo.AccountUpdates.Joins.Add(serviceTransaction as JoinServiceTransaction);
_blockInfo.AccountUpdates.AffectedAccounts.Add(serviceTransaction.AccountId);
}
else if (serviceTransaction.TransactionType == ServiceTransactionTypes.RequestRevenue)
{
var revenue = serviceTransaction as RequestRevenueServiceTransaction;
var networkAccount = GetCoreAccount(CoreAccount.NetworkAccountId);
var account = GetCoreAccount(serviceTransaction.AccountId);
networkAccount.RemoveFromTranfser(revenue.PayoutAmount);
account.AddFromTransfer(revenue.PayoutAmount);
_blockInfo.AccountUpdates.Revenues.Add(revenue);
_blockInfo.AccountUpdates.AffectedAccounts.Add(serviceTransaction.AccountId);
_blockInfo.AccountUpdates.AffectedAccounts.Add(CoreAccount.NetworkAccountId);
}
}
}
}
foreach (var remove in removed)
{
_blockInfo.ServiceBlocks.Remove(remove);
}
}
if (!_blockInfo.HasTransaction || !(_coreChain.LastProcessedBlockId == _lastBlock.BlockId) || !(_blockState.BlockId == _lastBlock.BlockId))
{
return(null);
}
var coreChain = GetChainInfo(CoreChain.CoreChainId);
var state = coreChain.LastState;
var nextCoreTransactionId = state.LastTransactionId + 1;
var blockId = _lastBlock.BlockId + 1;
_blockInfo.Sort();
var coreOperations = new List <CoreOperation>();
var coreTransactions = new List <CoreTransaction>();
foreach (var newAccount in _blockInfo.NewAccounts)
{
newAccount.Operation.UpdateOperationId(nextCoreTransactionId);
newAccount.Transaction.MetaData.SetTransactionId(nextCoreTransactionId);
var account = GetCoreAccount(newAccount.Operation.AccountId);
account.LastTransactionId = nextCoreTransactionId;
++nextCoreTransactionId;
coreOperations.Add(newAccount.Operation);
coreTransactions.Add(newAccount.Transaction);
}
foreach (var newChain in _blockInfo.Chains)
{
newChain.Operation.UpdateOperationId(nextCoreTransactionId);
newChain.Transaction.MetaData.SetTransactionId(nextCoreTransactionId);
var account = GetCoreAccount(newChain.Operation.AccountId);
newChain.Operation.PreviousAccountTransactionId = account.LastTransactionId;
account.LastTransactionId = nextCoreTransactionId;
++nextCoreTransactionId;
coreOperations.Add(newChain.Operation);
coreTransactions.Add(newChain.Transaction);
}
if (_blockInfo.AccountUpdates.HasUpdates)
{
_blockInfo.AccountUpdates.Operation.UpdateOperationId(nextCoreTransactionId);
foreach (var accountId in _blockInfo.AccountUpdates.AffectedAccounts)
{
var account = GetCoreAccount(accountId);
_blockInfo.AccountUpdates.Operation.AddAccount(accountId, account.LastTransactionId, account.HeleusCoins);
account.LastTransactionId = nextCoreTransactionId;
}
foreach (var transaction in _blockInfo.AccountUpdates.Transactions)
{
_blockInfo.AccountUpdates.Operation.AddTransfer(transaction.AccountId, transaction.ReceiverAccountId, transaction.Amount, transaction.Reason, transaction.Timestamp);
transaction.MetaData.SetTransactionId(nextCoreTransactionId);
coreTransactions.Add(transaction);
}
foreach (var transaction in _blockInfo.AccountUpdates.Purchases)
{
_blockInfo.AccountUpdates.Operation.AddPurchase(transaction.AccountId, transaction.Price, transaction.TargetChainId, transaction.PurchaseItemId, transaction.Timestamp);
}
foreach (var transaction in _blockInfo.AccountUpdates.Joins)
{
_blockInfo.AccountUpdates.Operation.AddJoin(transaction.AccountId, transaction.TargetChainId, transaction.AccountKey != null ? transaction.AccountKey.KeyIndex : Protocol.CoreAccountSignKeyIndex, transaction.Timestamp);
}
foreach (var transaction in _blockInfo.AccountUpdates.Revenues)
{
_blockInfo.AccountUpdates.Operation.AddRevenue(transaction.AccountId, transaction.TargetChainId, transaction.PayoutAmount, transaction.Timestamp);
}
++nextCoreTransactionId;
coreOperations.Add(_blockInfo.AccountUpdates.Operation);
}
var blockStateOperation = new BlockStateOperation(timestamp);
coreOperations.Add(blockStateOperation);
blockStateOperation.UpdateOperationId(nextCoreTransactionId);
blockStateOperation.AddBlockState(Protocol.CoreChainId, blockId, issuer, revision, nextCoreTransactionId);
++nextCoreTransactionId;
foreach (var serviceBlockTransaction in _blockInfo.ServiceBlocks.Values)
{
blockStateOperation.AddBlockState(serviceBlockTransaction.ServiceBlock);
coreTransactions.Add(serviceBlockTransaction);
}
var lastOperationHash = _lastBlock.Items.Last().Validation.Hash;
var block = new CoreBlock(blockId, issuer, revision, timestamp, NextAccountId, NextChainId, _lastBlock.BlockHash, lastOperationHash, coreOperations, coreTransactions);
// return a copy of the block and all its transactions
// if we don't do this, transaction ids might change during another generator run and we get invalid ids
return(Block.Restore <CoreBlock>(block.BlockData));
}
public static GenesisBlockResult Generate(Base.Storage storage)
{
(var networkKeyStore, var networkKey, _) = LoadCoreAccountKey(storage, "Network Account", "Heleus Core");
if (networkKeyStore == null)
{
networkKey = Key.Generate(KeyTypes.Ed25519);
var networkPassword = Hex.ToString(Rand.NextSeed(32));
networkKeyStore = new CoreAccountKeyStore("Heleus Core Network Account", CoreAccount.NetworkAccountId, networkKey, networkPassword);
SaveCoreAccountKey(storage, networkKeyStore, "Network Account", networkPassword, "Heleus Core");
}
Console.WriteLine($"Heleus Core Network Account Key: {networkKey.PublicKey.HexString}.");
var networkKeys = new List <NetworkKey>();
var networkChainKeys = new List <PublicChainKey>();
for (var i = 0; i < 3; i++)
{
var keyFlags = GetCoreKeyFlags(i);
var keyName = $"Network {GetKeyName(keyFlags, true)}";
(var store, var key, var storePassword) = LoadKeyStore <ChainKeyStore>(storage, null, keyName, "Heleus Core");
if (store == null)
{
key = Key.Generate(KeyTypes.Ed25519);
storePassword = Hex.ToString(Rand.NextSeed(32));
var publicChainKey = new PublicChainKey(keyFlags, CoreChain.CoreChainId, 0, 0, (short)i, key);
store = new ChainKeyStore($"Heleus Core {keyName}", publicChainKey, key, storePassword);
SaveKeyStore(storage, store, storePassword, null, keyName, "Heleus Core");
}
Console.WriteLine($"Heleus Core {keyName}: {key.PublicKey.HexString}.");
networkKeys.Add(new NetworkKey {
Key = key, Password = storePassword, PublicKey = store.PublicChainKey, Store = store
});
networkChainKeys.Add(store.PublicChainKey);
}
var timestamp = Time.Timestamp;
timestamp = Protocol.GenesisTime;
var coreOperations = new List <CoreOperation>();
var endPoints = new List <string>();
Console.WriteLine("Type the core chain name (default: Heleus Core)");
var name = Program.IsDebugging ? "Heleus Core" : Console.ReadLine();
if (string.IsNullOrWhiteSpace(name))
{
name = "Heleus Core";
}
Console.WriteLine($"Chain name: {name}");
Console.WriteLine("Type the core chain website (default: https://heleuscore.com)");
var website = Program.IsDebugging ? "https://heleuscore.com" : Console.ReadLine();
if (string.IsNullOrWhiteSpace(website))
{
website = "https://heleuscore.com";
}
Console.WriteLine($"Chain Website: {website}");
Console.WriteLine("Type the core chain endpoints. (none for none, default: https://heleusnode.heleuscore.com)");
while (true)
{
if (Program.IsDebugging)
{
var ips = GetLocalIPV4Addresss();
foreach (var ip in ips)
{
endPoints.Add($"http://{ip}:54321/");
}
break;
}
var ep = Console.ReadLine();
if (string.IsNullOrWhiteSpace(ep))
{
if (endPoints.Count == 0)
{
endPoints.Add("https://heleusnode.heleuscore.com");
}
break;
}
if (ep.IsValdiUrl(false))
{
Console.WriteLine($"Added endpoint {ep}");
endPoints.Add(ep);
}
if (ep == "none")
{
break;
}
}
Console.WriteLine($"Chain Endpoints: {string.Join(", ", endPoints)}");
var useGenesisInfo = false;
var useCoreChainEndpoint = false;
if (storage.FileExists("genesisservices.txt"))
{
Console.WriteLine("Process genesisservices.txt [yes/no] (default: yes)");
var p = Program.IsDebugging ? "yes" : Console.ReadLine();
if (string.IsNullOrWhiteSpace(p) || p.ToLower() == "yes")
{
Console.WriteLine("Processing genesisservices.txt");
useGenesisInfo = true;
if (endPoints.Count > 0)
{
Console.WriteLine("Use first core chain endpoint, not endpoint from genesisservices.txt [yes/no] (default: no)");
var p2 = Program.IsDebugging ? "yes" : Console.ReadLine()?.ToLower();
if (p2 == "yes")
{
useCoreChainEndpoint = true;
Console.WriteLine($"Using endpoint {endPoints[0]} for all services from genesisservices.txt");
}
}
}
}
coreOperations.Add((ChainInfoOperation) new ChainInfoOperation(CoreChain.CoreChainId, CoreAccount.NetworkAccountId, name, website, timestamp, networkChainKeys, endPoints, new List <PurchaseInfo>()).UpdateOperationId(Operation.FirstTransactionId));
coreOperations.Add((AccountOperation) new AccountOperation(CoreAccount.NetworkAccountId, networkKey.PublicKey, timestamp).UpdateOperationId(coreOperations.Count + 1)); // network account
coreOperations.Add(((AccountUpdateOperation) new AccountUpdateOperation().UpdateOperationId(Operation.FirstTransactionId + 2)).AddAccount(CoreAccount.NetworkAccountId, coreOperations.Count + 1, long.MaxValue / 2).AddTransfer(CoreAccount.NetworkAccountId, CoreAccount.NetworkAccountId, long.MaxValue / 2, null, timestamp));
var blockStateOperation = new BlockStateOperation();
var nextChainId = CoreChain.CoreChainId + 1;
var nextTransactionId = coreOperations.Count + 1;
var nextAccountId = CoreAccount.NetworkAccountId + 1;
var accounts = new List <AccountOperation>();
var serviceTransactionsList = new Dictionary <int, List <ServiceTransaction> >();
if (useGenesisInfo)
{
try
{
var json = storage.ReadFileText("genesisservices.txt");
if (json != null)
{
var services = Newtonsoft.Json.JsonConvert.DeserializeObject <List <GenesisService> >(json);
if (services != null)
{
foreach (var service in services)
{
if (!service.Valid)
{
continue;
}
var serviceKeys = new List <PublicChainKey>();
var ep = useCoreChainEndpoint ? endPoints[0] : service.Endpoint;
var accountId = service.AccountId;
if (accountId != CoreAccount.NetworkAccountId)
{
var found = accounts.Find((a) => a.AccountId == accountId) != null;
if (!found)
{
(var store, var key, var accountPassword) = LoadCoreAccountKey(storage, "Core Account " + accountId, "Core Accounts");
if (store == null)
{
key = Key.Generate(KeyTypes.Ed25519);
accountPassword = Hex.ToString(Rand.NextSeed(32));
store = new CoreAccountKeyStore(service.AccountName, accountId, key, accountPassword);
SaveCoreAccountKey(storage, store, "Core Account " + accountId, accountPassword, "Core Accounts");
}
if (accountId == nextAccountId)
{
var ao = new AccountOperation(accountId, key.PublicKey, timestamp);
ao.UpdateOperationId(nextTransactionId);
coreOperations.Add(ao);
accounts.Add(ao);
nextTransactionId++;
nextAccountId++;
}
else
{
Console.WriteLine($"Invalid account id for {service.Title}, should be {nextAccountId}, but is {accountId}.");
continue;
}
}
}
Console.WriteLine($"Adding Service {service.Title} with endpoint {ep}.");
var count = 2 + service.DataChainCount;
for (var i = 0; i < count; i++)
{
var keyFlags = GetServiceKeyFlags(i);
var keyName = $"{service.Name} {GetKeyName(keyFlags, false)}";
var dataChain = i >= 2;
if (dataChain)
{
keyName += $" (ChainIndex {i - 2})";
}
(var store, var key, var servicePassword) = LoadKeyStore <ChainKeyStore>(storage, null, keyName, service.Name);
if (store == null)
{
key = Key.Generate(KeyTypes.Ed25519);
servicePassword = Hex.ToString(Rand.NextSeed(32));
var signedKey = new PublicChainKey(keyFlags, nextChainId, dataChain ? (uint)i - 2 : 0, 0, (short)i, key);
store = new ChainKeyStore($"{service.Name} {keyName}", signedKey, key, servicePassword);
SaveKeyStore(storage, store, servicePassword, null, keyName, service.Name);
}
Console.WriteLine($"{service.Name} {keyName}: {key.PublicKey.HexString}.");
serviceKeys.Add(store.PublicChainKey);
}
var pc = new ChainInfoOperation(nextChainId, accountId, service.Title, service.Website, timestamp, serviceKeys, new List <string> {
ep
}, new List <PurchaseInfo>());
pc.UpdateOperationId(nextTransactionId);
coreOperations.Add(pc);
nextTransactionId++;
if (service.Revenue > 0)
{
var rev = new ChainRevenueInfoOperation(nextChainId, service.Revenue, service.RevenueAccountFactor, timestamp);
rev.UpdateOperationId(nextTransactionId);
coreOperations.Add(rev);
nextTransactionId++;
}
if (service.Accounts > 0)
{
var serviceTransactions = new List <ServiceTransaction>();
for (var i = 0; i < service.Accounts; i++)
{
(var accountStore, var accountKey, var accountPassword) = LoadCoreAccountKey(storage, "Core Account " + nextAccountId, "Core Accounts");
if (accountStore == null)
{
accountKey = Key.Generate(KeyTypes.Ed25519);
accountPassword = Hex.ToString(Rand.NextSeed(32));
accountStore = new CoreAccountKeyStore($"Core Account {nextAccountId}", nextAccountId, accountKey, accountPassword);
SaveCoreAccountKey(storage, accountStore, "Core Account " + nextAccountId, accountPassword, "Core Accounts");
}
(var serviceAccountStore, var serviceAccountKey, var serviceAccountPassword) = LoadKeyStore <ServiceAccountKeyStore>(storage, null, $"{service.Name} Service Account {nextAccountId}", $"{service.Name}/Service Accounts");
if (serviceAccountStore == null)
{
serviceAccountKey = Key.Generate(KeyTypes.Ed25519);
serviceAccountPassword = Hex.ToString(Rand.NextSeed(32));
var signedPublicKey = PublicServiceAccountKey.GenerateSignedPublicKey(nextAccountId, nextChainId, 0, 0, serviceAccountKey.PublicKey, accountKey);
serviceAccountStore = new ServiceAccountKeyStore($"{service.Name} Service Account {nextAccountId}", signedPublicKey, serviceAccountKey, serviceAccountPassword);
SaveKeyStore(storage, serviceAccountStore, serviceAccountPassword, null, $"{service.Name} Service Account {nextAccountId}", $"{service.Name}/Service Accounts");
}
var join = new JoinServiceTransaction(serviceAccountStore.SignedPublicKey)
{
SignKey = accountKey
};
join.ToArray();
serviceTransactions.Add(join);
var ao = new AccountOperation(nextAccountId, accountKey.PublicKey, timestamp);
ao.UpdateOperationId(nextTransactionId);
coreOperations.Add(ao);
accounts.Add(ao);
nextTransactionId++;
nextAccountId++;
}
blockStateOperation.AddBlockState(nextChainId, Protocol.GenesisBlockId, 0, 0, serviceTransactions.Count);
serviceTransactionsList[nextChainId] = serviceTransactions;
}
nextChainId++;
}
}
}
}
catch (Exception ex)
{
Log.HandleException(ex, LogLevels.Error);
}
}
coreOperations.Add(blockStateOperation);
blockStateOperation.UpdateOperationId(nextTransactionId);
blockStateOperation.AddBlockState(Protocol.CoreChainId, Protocol.GenesisBlockId, Protocol.GenesisBlockNetworkKeyIssuer, 0, nextTransactionId);
var block = new CoreBlock(Protocol.GenesisBlockId, Protocol.GenesisBlockNetworkKeyIssuer, 0, timestamp, nextAccountId, nextChainId, Hash.Empty(Protocol.TransactionHashType), Hash.Empty(ValidationOperation.ValidationHashType), coreOperations, new List <CoreTransaction>());
var signatures = new BlockSignatures(block);
signatures.AddSignature(block.Issuer, block, networkKey);
return(new GenesisBlockResult(block, signatures, networkKey.PublicKey, networkKeys[1].Store, networkKeys[1].Password, serviceTransactionsList));
}