update struct to pointer

engine/engine.go

@@ -63,7 +63,7 @@ func (e *ExChainAPI) NewPayload(params exchain.PayloadParams) (exchain.Execution
 	if err != nil {
 		return exchain.ExecutionResult{}, eth.PayloadInfo{}, err
 	}
-	if err = e.chain.SaveBlockData(result.Payload, &result.Receipts); err != nil {
+	if err = e.chain.SaveBlockData(result.Payload, result.Receipts); err != nil {
 		return exchain.ExecutionResult{}, eth.PayloadInfo{}, err
 	}
 	hash := wrapper.NewBlkWrapper(result.Payload).Hash()
@@ -85,7 +85,7 @@ func (e *ExChainAPI) ProcessPayload(block *nebulav1.Block) error {
 	if err != nil {
 		return err
 	}
-	return e.chain.SaveBlockData(result.Payload, &result.Receipts)
+	return e.chain.SaveBlockData(result.Payload, result.Receipts)
 }
 
 func (e *ExChainAPI) PayloadByNumber(ctx context.Context, u uint64) (*eth.ExecutionPayloadEnvelope, error) {

exchain/engine.go

@@ -17,11 +17,11 @@ type PayloadParams struct {
 	Timestamp    uint64
 	Proposer     common.Address
 	L1Info       L1BlockInfo
-	Transactions nebulav1.TransactionList
+	Transactions *nebulav1.TransactionList
 	Signer       Signer
 }
 
 type ExecutionResult struct {
 	Payload  *nebulav1.Block
-	Receipts nebulav1.TransactionReceiptList
+	Receipts *nebulav1.TransactionReceiptList
 }

exchain/mockengine/engine.go

@@ -41,7 +41,7 @@ func (m MockEngine) NewPayload(params exchain.PayloadParams) (exchain.ExecutionR
 	result := exchain.ExecutionResult{
 		Payload: &nebulav1.Block{
 			Header:       header,
-			Transactions: &params.Transactions,
+			Transactions: params.Transactions,
 		},
 		Receipts: receipts,
 	}
@@ -56,7 +56,7 @@ func (m MockEngine) ProcessPayload(block *nebulav1.Block) (exchain.ExecutionResu
 	if parent.Header.Height+1 != block.Header.Height {
 		return exchain.ExecutionResult{}, fmt.Errorf("invalid block height")
 	}
-	receipts, err := m.ProcessTx(block.Header, *block.Transactions)
+	receipts, err := m.ProcessTx(block.Header, block.Transactions)
 	if err != nil {
 		return exchain.ExecutionResult{}, err
 	}

exchain/mockengine/process.go

@@ -8,8 +8,8 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-func (m MockEngine) ProcessTx(header *nebulav1.BlockHeader, txs nebulav1.TransactionList) (nebulav1.TransactionReceiptList, error) {
-	receipts := nebulav1.TransactionReceiptList{
+func (m MockEngine) ProcessTx(header *nebulav1.BlockHeader, txs *nebulav1.TransactionList) (*nebulav1.TransactionReceiptList, error) {
+	receipts := &nebulav1.TransactionReceiptList{
 		Receipts: make([]*nebulav1.TransactionReceipt, 0),
 	}
 	for _, tx := range txs.Txs {

op-node/rollup/derive/attributes.go

@@ -198,7 +198,7 @@ func (ba *FetchingAttributesBuilder) PreparePayloadAttributes(ctx context.Contex
 			},
 			Timestamp: nextL2Time,
 			Proposer:  common.Address{},
-			Transactions: nebulav1.TransactionList{
+			Transactions: &nebulav1.TransactionList{
 				Txs: txs,
 			},
 			Signer: nil,