Implement Gnosis beacon chain push withdrawals

src/Nethermind/Nethermind.Consensus.AuRa/Withdrawals/WithdrawalProcessor.cs

@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: 2023 Demerzel Solutions Limited
+// SPDX-License-Identifier: LGPL-3.0-only
+
+using System;
+using System.Numerics;
+using Nethermind.Consensus.Withdrawals;
+using Nethermind.Core;
+using Nethermind.Core.Specs;
+using Nethermind.Logging;
+using Nethermind.Specs.ChainSpecStyle;
+
+namespace Nethermind.Consensus.AuRa.Withdrawals;
+
+public class WithdrawalProcessor : IWithdrawalProcessor
+{
+    private readonly ILogger _logger;
+    private readonly AuRaParameters _auraParams;
+
+    public WithdrawalProcessor(AuRaParameters auraParams, ILogManager logManager)
+    {
+        ArgumentNullException.ThrowIfNull(logManager);
+
+        _auraParams = auraParams ?? throw new ArgumentNullException(nameof(auraParams));
+        _logger = logManager.GetClassLogger();
+    }
+
+    public void ProcessWithdrawals(Block block, IReleaseSpec spec)
+    {
+        if (!spec.WithdrawalsEnabled)
+            return;
+
+        if (_logger.IsTrace) _logger.Trace($"Applying withdrawals for block {block}");
+
+        if (block.Withdrawals is not null)
+        {
+            foreach (var withdrawal in block.Withdrawals)
+            {
+                if (_logger.IsTrace) _logger.Trace($"  {(BigInteger)withdrawal.AmountInWei / (BigInteger)Unit.Ether:N3}GNO to account {withdrawal.Address}");
+
+                //if (_auraParams.AccountExists(withdrawal.Address))
+                //{
+                //    _auraParams.AddToBalance(withdrawal.Address, withdrawal.Amount, spec);
+                //}
+                //else
+                //{
+                //    _auraParams.CreateAccount(withdrawal.Address, withdrawal.Amount);
+                //}
+            }
+        }
+
+        if (_logger.IsTrace) _logger.Trace($"Withdrawals applied for block {block}");
+    }
+}

src/Nethermind/Nethermind.Consensus/Withdrawals/BlockProductionWithdrawalProcessor.cs

@@ -22,7 +22,7 @@ public void ProcessWithdrawals(Block block, IReleaseSpec spec)
 
         if (spec.WithdrawalsEnabled)
         {
-            block.Header.WithdrawalsRoot = block.Withdrawals is null || block.Withdrawals.Length == 0
+            block.Header.WithdrawalsRoot = block.Withdrawals!.Length == 0
                 ? Keccak.EmptyTreeHash
                 : new WithdrawalTrie(block.Withdrawals!).RootHash;
         }

src/Nethermind/Nethermind.Merge.AuRa/AuRaMergeBlockProducerEnvFactory.cs

@@ -7,12 +7,12 @@
 using Nethermind.Config;
 using Nethermind.Consensus.AuRa.Config;
 using Nethermind.Consensus.AuRa.InitializationSteps;
+using Nethermind.Consensus.AuRa.Withdrawals;
 using Nethermind.Consensus.Comparers;
 using Nethermind.Consensus.Processing;
 using Nethermind.Consensus.Producers;
 using Nethermind.Consensus.Rewards;
 using Nethermind.Consensus.Validators;
-using Nethermind.Consensus.Withdrawals;
 using Nethermind.Core;
 using Nethermind.Core.Specs;
 using Nethermind.Db;
@@ -81,8 +81,8 @@ protected override BlockProcessor CreateBlockProcessor(
                 receiptStorage,
                 logManager,
                 _blockTree,
-                new BlockProductionWithdrawalProcessor(
-                    new WithdrawalProcessor(readOnlyTxProcessingEnv.StateProvider, logManager))
+                new Consensus.Withdrawals.BlockProductionWithdrawalProcessor(
+                    new WithdrawalProcessor(_auraApi.ChainSpec!.AuRa, logManager))
                 );
         }