GetPayloadBodiesV1Handler.cs

//  Copyright (c) 2021 Demerzel Solutions Limited
//  This file is part of the Nethermind library.
// 
//  The Nethermind library is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
// 
//  The Nethermind library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
//  GNU Lesser General Public License for more details.
// 
//  You should have received a copy of the GNU Lesser General Public License
//  along with the Nethermind. If not, see <http://www.gnu.org/licenses/>.
// 

using System.Collections.Generic;
using System.Threading.Tasks;
using Nethermind.Blockchain;
using Nethermind.Core;
using Nethermind.Core.Crypto;
using Nethermind.JsonRpc;
using Nethermind.Logging;
using Nethermind.Merge.Plugin.Data.V1;

namespace Nethermind.Merge.Plugin.Handlers.V1
{
    public class GetPayloadBodiesV1Handler : IAsyncHandler<Keccak[], ExecutionPayloadBodyV1Result[]>
    {
        private readonly IBlockTree _blockTree;
        private readonly ILogger _logger;

        public GetPayloadBodiesV1Handler(IBlockTree blockTree, ILogManager logManager)
        {
            _blockTree = blockTree;
            _logger = logManager.GetClassLogger();
        }

        public Task<ResultWrapper<ExecutionPayloadBodyV1Result[]>> HandleAsync(Keccak[] blockHashes)
        {
            List<ExecutionPayloadBodyV1Result> payloadBodies = new();
            foreach (Keccak hash in blockHashes)
            {
                Block? block = _blockTree.FindBlock(hash);
                if (block is not null)
                {
                    payloadBodies.Add(new ExecutionPayloadBodyV1Result(block.Transactions));
                }
            }

            return Task.FromResult(ResultWrapper<ExecutionPayloadBodyV1Result[]>.Success(payloadBodies.ToArray()));
        }
    }
}