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Merged
cicr99 merged 2 commits into from
Feb 6, 2026
Merged

XDC - Add custom state sync allocation strategy #10399

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cc9a4ea
add custom state sync allocation strategy for xdc
cicr99 Feb 4, 2026
5009b6b
Merge branch 'master' into feature/xdc-get-node-data-filter
cicr99 Feb 6, 2026
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5 changes: 4 additions & 1 deletion src/Nethermind/Nethermind.Xdc/XdcModule.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,8 @@
using Nethermind.Xdc.TxPool;
using Nethermind.Api.Steps;
using Nethermind.Synchronization;
using Nethermind.Synchronization.FastSync;
using Nethermind.Synchronization.ParallelSync;

namespace Nethermind.Xdc;

Expand Down Expand Up @@ -88,8 +90,9 @@ protected override void Load(ContainerBuilder builder)
.AddSingleton<ITimeoutTimer, TimeoutTimer>()
.AddSingleton<ISyncInfoManager, SyncInfoManager>()

// beacon sync strategy
// sync
.AddSingleton<IBeaconSyncStrategy, XdcBeaconSyncStrategy>()
.AddSingleton<IPeerAllocationStrategyFactory<StateSyncBatch>, XdcStateSyncAllocationStrategyFactory>()

.AddSingleton<IBlockProducerTxSourceFactory, XdcTxPoolTxSourceFactory>()

Expand Down
34 changes: 34 additions & 0 deletions src/Nethermind/Nethermind.Xdc/XdcStateSyncAllocationStrategyFactory.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
// SPDX-FileCopyrightText: 2025 Demerzel Solutions Limited
// SPDX-License-Identifier: LGPL-3.0-only

using Nethermind.Stats;
using Nethermind.Synchronization.FastSync;
using Nethermind.Synchronization.ParallelSync;
using Nethermind.Synchronization.Peers;
using Nethermind.Synchronization.Peers.AllocationStrategies;
using Nethermind.Synchronization.StateSync;

namespace Nethermind.Xdc;

public class XdcStateSyncAllocationStrategyFactory : StaticPeerAllocationStrategyFactory<StateSyncBatch>
{
private static readonly IPeerAllocationStrategy DefaultStrategy =
new AllocationStrategy(new BySpeedStrategy(TransferSpeedType.NodeData, true));

public XdcStateSyncAllocationStrategyFactory() : base(DefaultStrategy)
{
}

internal class AllocationStrategy : FilterPeerAllocationStrategy
{
public AllocationStrategy(IPeerAllocationStrategy strategy) : base(strategy)
{
}

protected override bool Filter(PeerInfo peerInfo)
{
return peerInfo.CanGetSnapData() || peerInfo.SyncPeer.ProtocolVersion == 100;
}
}
}