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More resilient broadcasting mechanism (WalletWasabi#13381)
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48 changes: 35 additions & 13 deletions
48
WalletWasabi/Blockchain/Transactions/TransactionBroadcastEntry.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,38 +1,60 @@ | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Net; | ||
| using System.Threading.Tasks; | ||
| using NBitcoin; | ||
|
|
||
| namespace WalletWasabi.Blockchain.Transactions; | ||
|
|
||
| public class TransactionBroadcastEntry | ||
| { | ||
| public TransactionBroadcastEntry(SmartTransaction transaction, string nodeRemoteSocketEndpoint) | ||
| public TransactionBroadcastEntry(SmartTransaction transaction) | ||
| { | ||
| Transaction = transaction; | ||
| TransactionId = Transaction.GetHash(); | ||
| NodeRemoteSocketEndpoint = nodeRemoteSocketEndpoint; | ||
| BroadcastCompleted = new TaskCompletionSource(); | ||
| PropagationConfirmed = new TaskCompletionSource(); | ||
| BroadcastCompleted = new TaskCompletionSource<EndPoint[]>(); | ||
| PropagationConfirmed = new TaskCompletionSource<EndPoint[]>(); | ||
| } | ||
|
|
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| public SmartTransaction Transaction { get; } | ||
| public uint256 TransactionId { get; } | ||
| public string NodeRemoteSocketEndpoint { get; } | ||
|
|
||
| public TaskCompletionSource BroadcastCompleted { get; } | ||
| public TaskCompletionSource PropagationConfirmed { get; } | ||
| public TaskCompletionSource<EndPoint[]> BroadcastCompleted { get; } | ||
| public TaskCompletionSource<EndPoint[]> PropagationConfirmed { get; } | ||
|
|
||
| public void MakeBroadcasted() | ||
| private readonly HashSet<EndPoint> _broadcastedTo = new(); | ||
| private readonly HashSet<EndPoint> _confirmedBy = new(); | ||
| private readonly object _syncObj = new(); | ||
|
|
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| public void BroadcastedTo(EndPoint nodeEndpoint) | ||
| { | ||
| lock (_syncObj) | ||
| { | ||
| if (_broadcastedTo.Add(nodeEndpoint) && _broadcastedTo.Count > 1) | ||
| { | ||
| BroadcastCompleted.TrySetResult(_broadcastedTo.ToArray()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public bool WasBroadcastedTo(EndPoint nodeEndpoint) | ||
| { | ||
| BroadcastCompleted.TrySetResult(); | ||
| return _broadcastedTo.Contains(nodeEndpoint); | ||
| } | ||
|
|
||
| public void ConfirmPropagationOnce() | ||
| public void ConfirmPropagationOnce(EndPoint nodeEndpoint) | ||
| { | ||
| PropagationConfirmed.TrySetResult(); | ||
| lock (_syncObj) | ||
| { | ||
| if (_confirmedBy.Add(nodeEndpoint) && _confirmedBy.Count > 1) | ||
| { | ||
| PropagationConfirmed.TrySetResult(_confirmedBy.ToArray()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public void ConfirmPropagationForGood() | ||
| public void ConfirmPropagationForGood(EndPoint nodeEndpoint) | ||
| { | ||
| PropagationConfirmed.TrySetResult(); | ||
| PropagationConfirmed.TrySetResult([nodeEndpoint]); | ||
| } | ||
| } |