Communicate with EL using inclusion list in hex

beacon-chain/execution/engine_client_focil.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/beacon/engine"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/prysmaticlabs/prysm/v5/config/params"
 	"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
 	"github.com/prysmaticlabs/prysm/v5/monitoring/tracing/trace"
@@ -33,13 +34,18 @@ func (s *Service) GetInclusionList(ctx context.Context, parentHash [32]byte) ([]
 	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(timeout))
 	defer cancel()
 
-	var result [][]byte
+	var result []hexutil.Bytes
 	err := s.rpcClient.CallContext(ctx, &result, GetInclusionListV1, common.Hash(parentHash))
 	if err != nil {
 		return nil, handleRPCError(err)
 	}
 
-	return result, nil
+	bytesResult := make([][]byte, len(result))
+	for i, b := range result {
+		bytesResult[i] = b
+	}
+
+	return bytesResult, nil
 }
 
 // UpdatePayloadWithInclusionList updates a payload with a provided inclusion list of transactions.
@@ -58,8 +64,13 @@ func (s *Service) UpdatePayloadWithInclusionList(ctx context.Context, payloadID
 	ctx, cancel := context.WithDeadline(ctx, time.Now().Add(timeout))
 	defer cancel()
 
+	hexTxs := make([]hexutil.Bytes, len(txs))
+	for i, tx := range txs {
+		hexTxs[i] = tx
+	}
+
 	result := &engine.PayloadID{}
-	err := s.rpcClient.CallContext(ctx, result, UpdatePayloadWithInclusionListV1, engine.PayloadID(payloadID), txs)
+	err := s.rpcClient.CallContext(ctx, result, UpdatePayloadWithInclusionListV1, engine.PayloadID(payloadID), hexTxs)
 	if err != nil {
 		return nil, handleRPCError(err)
 	}