public Task <(Transaction tx, RpcApplicationLog?appLog)> GetTransactionAsync(UInt256 txHash)
{
try
{
if (disposedValue)
{
return(Task.FromException <(Transaction, RpcApplicationLog?)>(new ObjectDisposedException(nameof(OfflineNode))));
}
var tx = NativeContract.Ledger.GetTransaction(neoSystem.StoreView, txHash);
if (tx == null)
{
return(Task.FromException <(Transaction, RpcApplicationLog?)>(new Exception("Unknown Transaction")));
}
var jsonLog = ExpressAppLogsPlugin.GetAppLog(rocksDbStorageProvider, txHash);
var result = jsonLog != null
? (tx, RpcApplicationLog.FromJson(jsonLog, ProtocolSettings))
: (tx, null);
return(Task.FromResult(result));
}
catch (Exception ex)
{
return(Task.FromException <(Transaction, RpcApplicationLog?)>(ex));
}
}
public async Task RunAsync(IExpressStore store, ExpressConsensusNode node, uint secondsPerBlock, bool enableTrace, TextWriter writer, CancellationToken token)
{
if (IsRunning(node))
{
throw new Exception("Node already running");
}
chain.InitalizeProtocolSettings(secondsPerBlock);
await writer.WriteLineAsync(store.GetType().Name).ConfigureAwait(false);
var tcs = new TaskCompletionSource <bool>();
_ = Task.Run(() =>
{
try
{
var defaultAccount = node.Wallet.Accounts.Single(a => a.IsDefault);
using var mutex = new Mutex(true, GLOBAL_PREFIX + defaultAccount.ScriptHash);
var wallet = DevWallet.FromExpressWallet(node.Wallet);
var multiSigAccount = node.Wallet.Accounts.Single(a => a.IsMultiSigContract());
var dbftPlugin = new Neo.Consensus.DBFTPlugin();
var logPlugin = new Node.LogPlugin(writer);
var storageProvider = new Node.ExpressStorageProvider((IStore)store);
var appEngineProvider = enableTrace ? new Node.ExpressApplicationEngineProvider() : null;
var appLogsPlugin = new Node.ExpressAppLogsPlugin(store);
using var system = new Neo.NeoSystem(storageProvider.Name);
var rpcSettings = new Neo.Plugins.RpcServerSettings(port: node.RpcPort);
var rpcServer = new Neo.Plugins.RpcServer(system, rpcSettings);
var expressRpcServer = new ExpressRpcServer(store, multiSigAccount);
rpcServer.RegisterMethods(expressRpcServer);
rpcServer.RegisterMethods(appLogsPlugin);
rpcServer.StartRpcServer();
system.StartNode(new Neo.Network.P2P.ChannelsConfig
{
Tcp = new IPEndPoint(IPAddress.Loopback, node.TcpPort),
WebSocket = new IPEndPoint(IPAddress.Loopback, node.WebSocketPort),
});
dbftPlugin.Start(wallet);
token.WaitHandle.WaitOne();
}
catch (Exception ex)
{
tcs.SetException(ex);
}
finally
{
tcs.TrySetResult(true);
}
});
await tcs.Task.ConfigureAwait(false);
}
public async Task RunAsync(IStorageProvider store, ExpressConsensusNode node, bool enableTrace, TextWriter writer, CancellationToken token)
{
if (IsRunning(node))
{
throw new Exception("Node already running");
}
var tcs = new TaskCompletionSource <bool>();
_ = Task.Run(() =>
{
try
{
var defaultAccount = node.Wallet.Accounts.Single(a => a.IsDefault);
using var mutex = new Mutex(true, GLOBAL_PREFIX + defaultAccount.ScriptHash);
var wallet = DevWallet.FromExpressWallet(ProtocolSettings, node.Wallet);
var multiSigAccount = wallet.GetMultiSigAccounts().Single();
var logPlugin = new Node.LogPlugin(writer);
var storageProviderPlugin = new Node.StorageProviderPlugin(store);
var appEngineProvider = enableTrace ? new Node.ExpressApplicationEngineProvider() : null;
var dbftPlugin = new Neo.Consensus.DBFTPlugin(GetConsensusSettings(chain));
var appLogsPlugin = new Node.ExpressAppLogsPlugin(store);
using var neoSystem = new Neo.NeoSystem(ProtocolSettings, storageProviderPlugin.Name);
var rpcSettings = GetRpcServerSettings(chain, node);
var rpcServer = new Neo.Plugins.RpcServer(neoSystem, rpcSettings);
var expressRpcServer = new ExpressRpcServer(neoSystem, store, multiSigAccount.ScriptHash);
rpcServer.RegisterMethods(expressRpcServer);
rpcServer.RegisterMethods(appLogsPlugin);
rpcServer.StartRpcServer();
neoSystem.StartNode(new Neo.Network.P2P.ChannelsConfig
{
Tcp = new IPEndPoint(IPAddress.Loopback, node.TcpPort),
WebSocket = new IPEndPoint(IPAddress.Loopback, node.WebSocketPort),
});
dbftPlugin.Start(wallet);
// DevTracker looks for a string that starts with "Neo express is running" to confirm that the instance has started
// Do not remove or re-word this console output:
writer.WriteLine($"Neo express is running ({store.GetType().Name})");
token.WaitHandle.WaitOne();
}
catch (Exception ex)
{
tcs.SetException(ex);
}
finally
{
tcs.TrySetResult(true);
}
});
await tcs.Task.ConfigureAwait(false);
public OfflineNode(IExpressStore store, Wallet nodeWallet, ExpressChain chain, bool enableTrace)
{
this.nodeWallet = nodeWallet;
this.chain = chain;
this.store = store;
applicationEngineProvider = enableTrace ? new ExpressApplicationEngineProvider() : null;
storageProvider = new ExpressStorageProvider((IStore)store);
_ = new ExpressAppLogsPlugin(store);
neoSystem = new NeoSystem(storageProvider.Name);
ApplicationEngine.Log += OnLog !;
}
public OfflineNode(ProtocolSettings settings, RocksDbStorageProvider rocksDbStorageProvider, Wallet nodeWallet, ExpressChain chain, bool enableTrace)
{
this.nodeWallet = nodeWallet;
this.chain = chain;
this.rocksDbStorageProvider = rocksDbStorageProvider;
applicationEngineProvider = enableTrace ? new ExpressApplicationEngineProvider() : null;
consensusNodesKeys = new Lazy <KeyPair[]>(() => chain.ConsensusNodes
.Select(n => n.Wallet.DefaultAccount ?? throw new Exception())
.Select(a => new KeyPair(a.PrivateKey.HexToBytes()))
.ToArray());
var storageProviderPlugin = new StorageProviderPlugin(rocksDbStorageProvider);
_ = new ExpressAppLogsPlugin(rocksDbStorageProvider);
neoSystem = new NeoSystem(settings, storageProviderPlugin.Name);
ApplicationEngine.Log += OnLog !;
}
public JObject GetApplicationLog(JArray _params)
{
UInt256 hash = UInt256.Parse(_params[0].AsString());
return(ExpressAppLogsPlugin.TryGetAppLog(store, hash) ?? throw new RpcException(-100, "Unknown transaction"));
}