MultiSigInbox Plugin #487
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| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <PackageId>Neo.Plugins.MultiSigInbox</PackageId> | ||
| <RootNamespace>Neo.Plugins</RootNamespace> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <PackageReference Include="Neo.ConsoleService" Version="1.0.0" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
| <None Update="MultiSigInbox\config.json"> | ||
| <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory> | ||
| <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory> | ||
| </None> | ||
| </ItemGroup> | ||
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| </Project> |
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| { | ||
| "PluginConfiguration": { | ||
| "Network": 5195086, | ||
| "Path": "Data_MultiSigInbox_{0}", | ||
| "AutoStart": false | ||
| } | ||
| } |
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| using Akka.Actor; | ||
| using Neo.ConsoleService; | ||
| using Neo.IO; | ||
| using Neo.IO.Json; | ||
| using Neo.Network.P2P.Payloads; | ||
| using Neo.Persistence; | ||
| using Neo.SmartContract; | ||
| using Neo.SmartContract.Native; | ||
| using Neo.Wallets; | ||
| using System; | ||
| using System.Linq; | ||
| using static System.IO.Path; | ||
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| namespace Neo.Plugins.MultiSigInbox | ||
| { | ||
| public class MultiSigInboxPlugin : Plugin, IP2PPlugin | ||
| { | ||
| public const string StatePayloadCategory = "MultiSignatureInbox"; | ||
| public override string Name => "MultiSigInbox"; | ||
| public override string Description => "Enables MultiSigInbox for the node"; | ||
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| internal static readonly byte[] TxPrefix = new byte[] { 0x01 }; | ||
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| private Wallet _wallet; | ||
| private IWalletProvider walletProvider; | ||
| private IActorRef service; | ||
| private bool started = false; | ||
| private NeoSystem System; | ||
| private IStore store; | ||
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| protected override void Configure() | ||
| { | ||
| Settings.Load(GetConfiguration()); | ||
| } | ||
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| public override void Dispose() | ||
| { | ||
| base.Dispose(); | ||
| store?.Dispose(); | ||
| } | ||
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| protected override void OnSystemLoaded(NeoSystem system) | ||
| { | ||
| if (system.Settings.Magic != Settings.Default.Network) return; | ||
| System = system; | ||
| System.ServiceAdded += NeoSystem_ServiceAdded; | ||
| string path = string.Format(Settings.Default.Path, system.Settings.Magic.ToString("X8")); | ||
| store = system.LoadStore(GetFullPath(path)); | ||
| } | ||
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| private void NeoSystem_ServiceAdded(object sender, object service) | ||
| { | ||
| if (service is IWalletProvider) | ||
| { | ||
| walletProvider = service as IWalletProvider; | ||
| System.ServiceAdded -= NeoSystem_ServiceAdded; | ||
| if (Settings.Default.AutoStart) | ||
| { | ||
| walletProvider.WalletChanged += WalletProvider_WalletChanged; | ||
| } | ||
| } | ||
| } | ||
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| private void WalletProvider_WalletChanged(object sender, Wallet wallet) | ||
| { | ||
| walletProvider.WalletChanged -= WalletProvider_WalletChanged; | ||
| Start(wallet); | ||
| } | ||
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| [ConsoleCommand("start multisiginbox", Category = "MultiSigInbox", Description = "Start multiSigInbox service")] | ||
| private void OnStart() | ||
| { | ||
| Start(walletProvider.GetWallet()); | ||
| } | ||
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| public void Start(Wallet wallet) | ||
| { | ||
| if (started) return; | ||
| started = true; | ||
| _wallet = wallet; | ||
| service = System.ActorSystem.ActorOf(MultiSigInboxService.Props(System, store, wallet)); | ||
| service.Tell(new MultiSigInboxService.Start()); | ||
| } | ||
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| [ConsoleCommand("inbox list", Category = "MultiSigInbox", Description = "List pending transactions")] | ||
| private void OnInboxList() | ||
| { | ||
| var first = true; | ||
| using var snapshot = System.GetSnapshot(); | ||
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| foreach (var (k, v) in store.Seek(TxPrefix, SeekDirection.Forward)) | ||
| { | ||
| ContractParametersContext context = ContractParametersContext.FromJson(JObject.Parse(v), snapshot); | ||
| if (first) | ||
| { | ||
| first = false; | ||
| Console.WriteLine($"Transaction hashes"); | ||
| } | ||
| Console.WriteLine($"{context.Verifiable.Hash}"); | ||
| } | ||
| if (first) | ||
| { | ||
| Console.WriteLine($"No entries was found"); | ||
| } | ||
| } | ||
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| [ConsoleCommand("inbox read", Category = "MultiSigInbox", Description = "Read transaction")] | ||
| private void OnInboxRead(UInt256 txHash) | ||
| { | ||
| var json = store.TryGet(TxPrefix.Concat(txHash.ToArray()).ToArray()); | ||
| if (json != null) | ||
| { | ||
| Console.WriteLine(Utility.StrictUTF8.GetString(json)); | ||
| } | ||
| else | ||
| { | ||
| Console.WriteLine("Transaction was not found"); | ||
| } | ||
| } | ||
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| [ConsoleCommand("inbox send", Category = "MultiSigInbox", Description = "Send transaction")] | ||
| private void OnInboxSend(string transaction) | ||
| { | ||
| ContractParametersContext context = ContractParametersContext.FromJson(JObject.Parse(transaction), System.StoreView); | ||
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| var tx = store.TryGet(TxPrefix.Concat(context.Verifiable.Hash.ToArray()).ToArray()); | ||
| if (tx != null) | ||
| { | ||
| Console.WriteLine("Transaction already sent"); | ||
| return; | ||
| } | ||
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| store.Put(TxPrefix.Concat(context.Verifiable.ToArray()).ToArray(), Utility.StrictUTF8.GetBytes(transaction)); | ||
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| using var snapshot = System.GetSnapshot(); | ||
| RelayContext(snapshot, context); | ||
| } | ||
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| [ConsoleCommand("inbox sign", Category = "MultiSigInbox", Description = "Sign transaction")] | ||
| private void OnInboxSign(UInt256 txHash) | ||
| { | ||
| var tx = store.TryGet(TxPrefix.Concat(txHash.ToArray()).ToArray()); | ||
| if (tx != null) | ||
| { | ||
| using var snapshot = System.GetSnapshot(); | ||
| var context = ContractParametersContext.FromJson(JObject.Parse(tx), snapshot); | ||
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| Console.WriteLine(tx.AsSerializable<Transaction>().ToJson(System.Settings).ToString(true)); | ||
| RelayContext(snapshot, context); | ||
| } | ||
| else | ||
| { | ||
| Console.WriteLine("Transaction was not found"); | ||
| } | ||
| } | ||
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| private void RelayContext(SnapshotCache snapshot, ContractParametersContext context) | ||
| { | ||
| if (context.Completed) | ||
| { | ||
| Log($"Send tx: hash={context.Verifiable.Hash}"); | ||
| System.Blockchain.Tell(context.Verifiable); | ||
| } | ||
| else | ||
| { | ||
| var tx = store.TryGet(TxPrefix.Concat(context.Verifiable.Hash.ToArray()).ToArray()); | ||
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| foreach (var wallet in _wallet.GetAccounts()) | ||
| { | ||
| var msg = new ExtensiblePayload() | ||
| { | ||
| Category = "MultiSigInbox", | ||
| Data = tx, | ||
| ValidBlockStart = 0, | ||
| ValidBlockEnd = NativeContract.Ledger.CurrentIndex(snapshot) + 1_000, | ||
| Sender = wallet.ScriptHash | ||
| }; | ||
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| var sign = new ContractParametersContext(snapshot, msg); | ||
| if (_wallet.Sign(sign)) | ||
| { | ||
| msg.Witness = sign.GetWitnesses()[0]; | ||
| System.Blockchain.Tell(sign.Verifiable); | ||
| break; | ||
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| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,146 @@ | ||
| using Akka.Actor; | ||
| using Neo.IO; | ||
| using Neo.IO.Json; | ||
| using Neo.Ledger; | ||
| using Neo.Network.P2P.Payloads; | ||
| using Neo.Persistence; | ||
| using Neo.SmartContract; | ||
| using Neo.Wallets; | ||
| using System.Linq; | ||
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| namespace Neo.Plugins.MultiSigInbox | ||
| { | ||
| class MultiSigInboxService : UntypedActor | ||
| { | ||
| private readonly NeoSystem _system; | ||
| private readonly IStore store; | ||
| private readonly Wallet _wallet; | ||
| private bool started = false; | ||
| public class Start { } | ||
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| public MultiSigInboxService(NeoSystem system, IStore store, Wallet wallet) | ||
| : this(system) | ||
| { | ||
| this.store = store; | ||
| this._wallet = wallet; | ||
| } | ||
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| internal MultiSigInboxService(NeoSystem system) | ||
| { | ||
| _system = system; | ||
| Context.System.EventStream.Subscribe(Self, typeof(Blockchain.PersistCompleted)); | ||
| } | ||
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| protected override void OnReceive(object message) | ||
| { | ||
| if (message is Start) | ||
| { | ||
| if (started) return; | ||
| OnStart(); | ||
| } | ||
| else | ||
| { | ||
| if (!started) return; | ||
| switch (message) | ||
| { | ||
| case Blockchain.PersistCompleted p: | ||
| { | ||
| foreach (var tx in p.Block.Transactions) | ||
| { | ||
| store.Delete(MultiSigInboxPlugin.TxPrefix.Concat(tx.Hash.ToArray()).ToArray()); | ||
| } | ||
| break; | ||
| } | ||
| case Blockchain.RelayResult rr: | ||
| { | ||
| if (rr.Result == VerifyResult.Succeed) | ||
| { | ||
| if (rr.Inventory is ExtensiblePayload payload && payload.Category == "MultiSigInbox") | ||
| OnExtensiblePayload(payload); | ||
| else if (rr.Inventory is Transaction tx) | ||
| OnVerifiedTransaction(tx); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private void OnVerifiedTransaction(Transaction tx) | ||
| { | ||
| // Remove tx from inbox | ||
| store.Delete(MultiSigInboxPlugin.TxPrefix.Concat(tx.Hash.ToArray()).ToArray()); | ||
| } | ||
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| private void OnExtensiblePayload(ExtensiblePayload payload) | ||
| { | ||
| // Add to inbox | ||
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| using var snapshot = _system.GetSnapshot(); | ||
| var newContext = ContractParametersContext.FromJson(JObject.Parse(payload.Data), snapshot); | ||
| if (newContext.Completed) return; | ||
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| var tx = store.TryGet(MultiSigInboxPlugin.TxPrefix.Concat(newContext.Verifiable.Hash.ToArray()).ToArray()); | ||
| if (tx != null) | ||
| { | ||
| // merge context | ||
| var somethingAdded = false; | ||
| var oldContext = ContractParametersContext.FromJson(JObject.Parse(tx), snapshot); | ||
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| foreach (var entry in oldContext.ScriptHashes) | ||
| { | ||
| var contract = _wallet.GetAccount(entry)?.Contract; | ||
| if (contract == null) continue; | ||
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| var newSignatures = newContext.GetSignatures(entry); | ||
| if (newSignatures == null) continue; | ||
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| var oldSignatures = oldContext.GetSignatures(entry)?.ToDictionary(u => u.Key, u => u.Value); | ||
| foreach (var sig in newSignatures) | ||
| { | ||
| if (oldSignatures?.ContainsKey(sig.Key) == true) continue; | ||
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| if (oldContext.AddSignature(contract, sig.Key, sig.Value)) | ||
| { | ||
| somethingAdded = true; | ||
| } | ||
| } | ||
| } | ||
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| if (somethingAdded) | ||
| { | ||
| store.Put(MultiSigInboxPlugin.TxPrefix.Concat(oldContext.Verifiable.Hash.ToArray()).ToArray(), oldContext.ToJson().ToByteArray(false)); | ||
| } | ||
|
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| } | ||
| else | ||
| { | ||
| // new context | ||
| store.Put(MultiSigInboxPlugin.TxPrefix.Concat(newContext.Verifiable.Hash.ToArray()).ToArray(), newContext.ToJson().ToByteArray(false)); | ||
| } | ||
| } | ||
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| private static void Log(string message, LogLevel level = LogLevel.Info) | ||
| { | ||
| Utility.Log(nameof(MultiSigInboxService), level, message); | ||
| } | ||
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| private void OnStart() | ||
| { | ||
| Log("OnStart"); | ||
| started = true; | ||
| } | ||
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| protected override void PostStop() | ||
| { | ||
| Log("OnStop"); | ||
| started = false; | ||
| Context.System.EventStream.Unsubscribe(Self); | ||
| base.PostStop(); | ||
| } | ||
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| public static Props Props(NeoSystem system, IStore store, Wallet wallet) | ||
| { | ||
| return Akka.Actor.Props.Create(() => new MultiSigInboxService(system, store, wallet)); | ||
| } | ||
| } | ||
| } | ||
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Done