core/types/access_list_tx.go

@@ -22,7 +22,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
-//go:generate gencodec -type AccessTuple -out gen_access_tuple.go
+//go:generate go run github.com/fjl/gencodec@latest -type AccessTuple -out gen_access_tuple.go
 
 // AccessList is an EIP-2930 access list.
 type AccessList []AccessTuple

core/types/block.go

@@ -63,7 +63,8 @@ func (n *BlockNonce) UnmarshalText(input []byte) error {
 	return hexutil.UnmarshalFixedText("BlockNonce", input, n[:])
 }
 
-//go:generate gencodec -type Header -field-override headerMarshaling -out gen_header_json.go
+//go:generate go run github.com/fjl/gencodec@latest -type Header -field-override headerMarshaling -out gen_header_json.go
+//go:generate go run ../../rlp/rlpgen -type Header -out gen_header_rlp.go
 
 // Header represents a block header in the Ethereum blockchain.
 type Header struct {

core/types/block_test.go

@@ -285,7 +285,7 @@ func makeBenchBlock() *Block {
 func TestRlpDecodeParentHash(t *testing.T) {
 	// A minimum one
 	want := common.HexToHash("0x112233445566778899001122334455667788990011223344556677889900aabb")
-	if rlpData, err := rlp.EncodeToBytes(Header{ParentHash: want}); err != nil {
+	if rlpData, err := rlp.EncodeToBytes(&Header{ParentHash: want}); err != nil {
 		t.Fatal(err)
 	} else {
 		if have := HeaderParentHashFromRLP(rlpData); have != want {
@@ -299,7 +299,7 @@ func TestRlpDecodeParentHash(t *testing.T) {
 	// | BaseFee     | dynamic| *big.Int       | 64 bits               |
 	mainnetTd := new(big.Int)
 	mainnetTd.SetString("5ad3c2c71bbff854908", 16)
-	if rlpData, err := rlp.EncodeToBytes(Header{
+	if rlpData, err := rlp.EncodeToBytes(&Header{
 		ParentHash: want,
 		Difficulty: mainnetTd,
 		Number:     new(big.Int).SetUint64(math.MaxUint64),
@@ -316,7 +316,7 @@ func TestRlpDecodeParentHash(t *testing.T) {
 	{
 		// The rlp-encoding of the heder belowCauses _total_ length of 65540,
 		// which is the first to blow the fast-path.
-		h := Header{
+		h := &Header{
 			ParentHash: want,
 			Extra:      make([]byte, 65041),
 		}

core/types/gen_account_rlp.go

@@ -0,0 +1,27 @@
+// Code generated by rlpgen. DO NOT EDIT.
+
+//go:build !norlpgen
+// +build !norlpgen
+
+package types
+
+import "github.com/ethereum/go-ethereum/rlp"
+import "io"
+
+func (obj *StateAccount) EncodeRLP(_w io.Writer) error {
+	w := rlp.NewEncoderBuffer(_w)
+	_tmp0 := w.List()
+	w.WriteUint64(obj.Nonce)
+	if obj.Balance == nil {
+		w.Write(rlp.EmptyString)
+	} else {
+		if obj.Balance.Sign() == -1 {
+			return rlp.ErrNegativeBigInt
+		}
+		w.WriteBigInt(obj.Balance)
+	}
+	w.WriteBytes(obj.Root[:])
+	w.WriteBytes(obj.CodeHash)
+	w.ListEnd(_tmp0)
+	return w.Flush()
+}

core/types/gen_header_rlp.go

@@ -0,0 +1,56 @@
+// Code generated by rlpgen. DO NOT EDIT.
+
+//go:build !norlpgen
+// +build !norlpgen
+
+package types
+
+import "github.com/ethereum/go-ethereum/rlp"
+import "io"
+
+func (obj *Header) EncodeRLP(_w io.Writer) error {
+	w := rlp.NewEncoderBuffer(_w)
+	_tmp0 := w.List()
+	w.WriteBytes(obj.ParentHash[:])
+	w.WriteBytes(obj.UncleHash[:])
+	w.WriteBytes(obj.Coinbase[:])
+	w.WriteBytes(obj.Root[:])
+	w.WriteBytes(obj.TxHash[:])
+	w.WriteBytes(obj.ReceiptHash[:])
+	w.WriteBytes(obj.Bloom[:])
+	if obj.Difficulty == nil {
+		w.Write(rlp.EmptyString)
+	} else {
+		if obj.Difficulty.Sign() == -1 {
+			return rlp.ErrNegativeBigInt
+		}
+		w.WriteBigInt(obj.Difficulty)
+	}
+	if obj.Number == nil {
+		w.Write(rlp.EmptyString)
+	} else {
+		if obj.Number.Sign() == -1 {
+			return rlp.ErrNegativeBigInt
+		}
+		w.WriteBigInt(obj.Number)
+	}
+	w.WriteUint64(obj.GasLimit)
+	w.WriteUint64(obj.GasUsed)
+	w.WriteUint64(obj.Time)
+	w.WriteBytes(obj.Extra)
+	w.WriteBytes(obj.MixDigest[:])
+	w.WriteBytes(obj.Nonce[:])
+	_tmp1 := obj.BaseFee != nil
+	if _tmp1 {
+		if obj.BaseFee == nil {
+			w.Write(rlp.EmptyString)
+		} else {
+			if obj.BaseFee.Sign() == -1 {
+				return rlp.ErrNegativeBigInt
+			}
+			w.WriteBigInt(obj.BaseFee)
+		}
+	}
+	w.ListEnd(_tmp0)
+	return w.Flush()
+}

core/types/gen_log_rlp.go

@@ -0,0 +1,23 @@
+// Code generated by rlpgen. DO NOT EDIT.
+
+//go:build !norlpgen
+// +build !norlpgen
+
+package types
+
+import "github.com/ethereum/go-ethereum/rlp"
+import "io"
+
+func (obj *rlpLog) EncodeRLP(_w io.Writer) error {
+	w := rlp.NewEncoderBuffer(_w)
+	_tmp0 := w.List()
+	w.WriteBytes(obj.Address[:])
+	_tmp1 := w.List()
+	for _, _tmp2 := range obj.Topics {
+		w.WriteBytes(_tmp2[:])
+	}
+	w.ListEnd(_tmp1)
+	w.WriteBytes(obj.Data)
+	w.ListEnd(_tmp0)
+	return w.Flush()
+}

core/types/log.go

@@ -24,7 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-//go:generate gencodec -type Log -field-override logMarshaling -out gen_log_json.go
+//go:generate go run github.com/fjl/gencodec@latest -type Log -field-override logMarshaling -out gen_log_json.go
 
 // Log represents a contract log event. These events are generated by the LOG opcode and
 // stored/indexed by the node.
@@ -62,15 +62,14 @@ type logMarshaling struct {
 	Index       hexutil.Uint
 }
 
+//go:generate go run ../../rlp/rlpgen -type rlpLog -out gen_log_rlp.go
+
 type rlpLog struct {
 	Address common.Address
 	Topics  []common.Hash
 	Data    []byte
 }
 
-// rlpStorageLog is the storage encoding of a log.
-type rlpStorageLog rlpLog
-
 // legacyRlpStorageLog is the previous storage encoding of a log including some redundant fields.
 type legacyRlpStorageLog struct {
 	Address     common.Address
@@ -85,7 +84,8 @@ type legacyRlpStorageLog struct {
 
 // EncodeRLP implements rlp.Encoder.
 func (l *Log) EncodeRLP(w io.Writer) error {
-	return rlp.Encode(w, rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data})
+	rl := rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data}
+	return rlp.Encode(w, &rl)
 }
 
 // DecodeRLP implements rlp.Decoder.
@@ -104,11 +104,8 @@ type LogForStorage Log
 
 // EncodeRLP implements rlp.Encoder.
 func (l *LogForStorage) EncodeRLP(w io.Writer) error {
-	return rlp.Encode(w, rlpStorageLog{
+	rl := rlpLog{Address: l.Address, Topics: l.Topics, Data: l.Data}
-		Address: l.Address,
+	return rlp.Encode(w, &rl)
-		Topics:  l.Topics,
-		Data:    l.Data,
-	})
 }
 
 // DecodeRLP implements rlp.Decoder.
@@ -119,7 +116,7 @@ func (l *LogForStorage) DecodeRLP(s *rlp.Stream) error {
 	if err != nil {
 		return err
 	}
-	var dec rlpStorageLog
+	var dec rlpLog
 	err = rlp.DecodeBytes(blob, &dec)
 	if err == nil {
 		*l = LogForStorage{

core/types/receipt.go

@@ -31,7 +31,7 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
-//go:generate gencodec -type Receipt -field-override receiptMarshaling -out gen_receipt_json.go
+//go:generate go run github.com/fjl/gencodec@latest -type Receipt -field-override receiptMarshaling -out gen_receipt_json.go
 
 var (
 	receiptStatusFailedRLP     = []byte{}
@@ -287,16 +287,20 @@ type ReceiptForStorage Receipt
 
 // EncodeRLP implements rlp.Encoder, and flattens all content fields of a receipt
 // into an RLP stream.
-func (r *ReceiptForStorage) EncodeRLP(w io.Writer) error {
+func (r *ReceiptForStorage) EncodeRLP(_w io.Writer) error {
-	enc := &storedReceiptRLP{
+	w := rlp.NewEncoderBuffer(_w)
-		PostStateOrStatus: (*Receipt)(r).statusEncoding(),
+	outerList := w.List()
-		CumulativeGasUsed: r.CumulativeGasUsed,
+	w.WriteBytes((*Receipt)(r).statusEncoding())
-		Logs:              make([]*LogForStorage, len(r.Logs)),
+	w.WriteUint64(r.CumulativeGasUsed)
+	logList := w.List()
+	for _, log := range r.Logs {
+		if err := rlp.Encode(w, log); err != nil {
+			return err
+		}
 	}
-	for i, log := range r.Logs {
+	w.ListEnd(logList)
-		enc.Logs[i] = (*LogForStorage)(log)
+	w.ListEnd(outerList)
-	}
+	return w.Flush()
-	return rlp.Encode(w, enc)
 }
 
 // DecodeRLP implements rlp.Decoder, and loads both consensus and implementation

core/types/state_account.go

@@ -22,6 +22,8 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 )
 
+//go:generate go run ../../rlp/rlpgen -type StateAccount -out gen_account_rlp.go
+
 // StateAccount is the Ethereum consensus representation of accounts.
 // These objects are stored in the main account trie.
 type StateAccount struct {

eth/handler_eth_test.go

@@ -570,7 +570,7 @@ func testCheckpointChallenge(t *testing.T, syncmode downloader.SyncMode, checkpo
 					t.Fatalf("failed to answer challenge: %v", err)
 				}
 			} else {
-				responseRlp, _ := rlp.EncodeToBytes(types.Header{Number: response.Number})
+				responseRlp, _ := rlp.EncodeToBytes(&types.Header{Number: response.Number})
 				if err := remote.ReplyBlockHeadersRLP(request.RequestId, []rlp.RawValue{responseRlp}); err != nil {
 					t.Fatalf("failed to answer challenge: %v", err)
 				}

eth/protocols/eth/handler_test.go

@@ -264,11 +264,11 @@ func testGetBlockHeaders(t *testing.T, protocol uint) {
 			headers = append(headers, backend.chain.GetBlockByHash(hash).Header())
 		}
 		// Send the hash request and verify the response
-		p2p.Send(peer.app, GetBlockHeadersMsg, GetBlockHeadersPacket66{
+		p2p.Send(peer.app, GetBlockHeadersMsg, &GetBlockHeadersPacket66{
 			RequestId:             123,
 			GetBlockHeadersPacket: tt.query,
 		})
-		if err := p2p.ExpectMsg(peer.app, BlockHeadersMsg, BlockHeadersPacket66{
+		if err := p2p.ExpectMsg(peer.app, BlockHeadersMsg, &BlockHeadersPacket66{
 			RequestId:          123,
 			BlockHeadersPacket: headers,
 		}); err != nil {
@@ -279,14 +279,12 @@ func testGetBlockHeaders(t *testing.T, protocol uint) {
 			if origin := backend.chain.GetBlockByNumber(tt.query.Origin.Number); origin != nil {
 				tt.query.Origin.Hash, tt.query.Origin.Number = origin.Hash(), 0
 
-				p2p.Send(peer.app, GetBlockHeadersMsg, GetBlockHeadersPacket66{
+				p2p.Send(peer.app, GetBlockHeadersMsg, &GetBlockHeadersPacket66{
 					RequestId:             456,
 					GetBlockHeadersPacket: tt.query,
 				})
-				if err := p2p.ExpectMsg(peer.app, BlockHeadersMsg, BlockHeadersPacket66{
+				expected := &BlockHeadersPacket66{RequestId: 456, BlockHeadersPacket: headers}
-					RequestId:          456,
+				if err := p2p.ExpectMsg(peer.app, BlockHeadersMsg, expected); err != nil {
-					BlockHeadersPacket: headers,
-				}); err != nil {
 					t.Errorf("test %d by hash: headers mismatch: %v", i, err)
 				}
 			}
@@ -364,11 +362,11 @@ func testGetBlockBodies(t *testing.T, protocol uint) {
 			}
 		}
 		// Send the hash request and verify the response
-		p2p.Send(peer.app, GetBlockBodiesMsg, GetBlockBodiesPacket66{
+		p2p.Send(peer.app, GetBlockBodiesMsg, &GetBlockBodiesPacket66{
 			RequestId:            123,
 			GetBlockBodiesPacket: hashes,
 		})
-		if err := p2p.ExpectMsg(peer.app, BlockBodiesMsg, BlockBodiesPacket66{
+		if err := p2p.ExpectMsg(peer.app, BlockBodiesMsg, &BlockBodiesPacket66{
 			RequestId:         123,
 			BlockBodiesPacket: bodies,
 		}); err != nil {
@@ -436,7 +434,7 @@ func testGetNodeData(t *testing.T, protocol uint) {
 	it.Release()
 
 	// Request all hashes.
-	p2p.Send(peer.app, GetNodeDataMsg, GetNodeDataPacket66{
+	p2p.Send(peer.app, GetNodeDataMsg, &GetNodeDataPacket66{
 		RequestId:         123,
 		GetNodeDataPacket: hashes,
 	})
@@ -546,11 +544,11 @@ func testGetBlockReceipts(t *testing.T, protocol uint) {
 		receipts = append(receipts, backend.chain.GetReceiptsByHash(block.Hash()))
 	}
 	// Send the hash request and verify the response
-	p2p.Send(peer.app, GetReceiptsMsg, GetReceiptsPacket66{
+	p2p.Send(peer.app, GetReceiptsMsg, &GetReceiptsPacket66{
 		RequestId:         123,
 		GetReceiptsPacket: hashes,
 	})
-	if err := p2p.ExpectMsg(peer.app, ReceiptsMsg, ReceiptsPacket66{
+	if err := p2p.ExpectMsg(peer.app, ReceiptsMsg, &ReceiptsPacket66{
 		RequestId:      123,
 		ReceiptsPacket: receipts,
 	}); err != nil {

eth/protocols/eth/peer.go

@@ -241,7 +241,7 @@ func (p *Peer) ReplyPooledTransactionsRLP(id uint64, hashes []common.Hash, txs [
 	p.knownTxs.Add(hashes...)
 
 	// Not packed into PooledTransactionsPacket to avoid RLP decoding
-	return p2p.Send(p.rw, PooledTransactionsMsg, PooledTransactionsRLPPacket66{
+	return p2p.Send(p.rw, PooledTransactionsMsg, &PooledTransactionsRLPPacket66{
 		RequestId:                   id,
 		PooledTransactionsRLPPacket: txs,
 	})
@@ -298,7 +298,7 @@ func (p *Peer) AsyncSendNewBlock(block *types.Block, td *big.Int) {
 
 // ReplyBlockHeaders is the eth/66 version of SendBlockHeaders.
 func (p *Peer) ReplyBlockHeadersRLP(id uint64, headers []rlp.RawValue) error {
-	return p2p.Send(p.rw, BlockHeadersMsg, BlockHeadersRLPPacket66{
+	return p2p.Send(p.rw, BlockHeadersMsg, &BlockHeadersRLPPacket66{
 		RequestId:             id,
 		BlockHeadersRLPPacket: headers,
 	})
@@ -307,7 +307,7 @@ func (p *Peer) ReplyBlockHeadersRLP(id uint64, headers []rlp.RawValue) error {
 // ReplyBlockBodiesRLP is the eth/66 version of SendBlockBodiesRLP.
 func (p *Peer) ReplyBlockBodiesRLP(id uint64, bodies []rlp.RawValue) error {
 	// Not packed into BlockBodiesPacket to avoid RLP decoding
-	return p2p.Send(p.rw, BlockBodiesMsg, BlockBodiesRLPPacket66{
+	return p2p.Send(p.rw, BlockBodiesMsg, &BlockBodiesRLPPacket66{
 		RequestId:            id,
 		BlockBodiesRLPPacket: bodies,
 	})
@@ -315,7 +315,7 @@ func (p *Peer) ReplyBlockBodiesRLP(id uint64, bodies []rlp.RawValue) error {
 
 // ReplyNodeData is the eth/66 response to GetNodeData.
 func (p *Peer) ReplyNodeData(id uint64, data [][]byte) error {
-	return p2p.Send(p.rw, NodeDataMsg, NodeDataPacket66{
+	return p2p.Send(p.rw, NodeDataMsg, &NodeDataPacket66{
 		RequestId:      id,
 		NodeDataPacket: data,
 	})
@@ -323,7 +323,7 @@ func (p *Peer) ReplyNodeData(id uint64, data [][]byte) error {
 
 // ReplyReceiptsRLP is the eth/66 response to GetReceipts.
 func (p *Peer) ReplyReceiptsRLP(id uint64, receipts []rlp.RawValue) error {
-	return p2p.Send(p.rw, ReceiptsMsg, ReceiptsRLPPacket66{
+	return p2p.Send(p.rw, ReceiptsMsg, &ReceiptsRLPPacket66{
 		RequestId:         id,
 		ReceiptsRLPPacket: receipts,
 	})

eth/protocols/snap/sync_test.go

@@ -1349,7 +1349,7 @@ func makeAccountTrieNoStorage(n int) (*trie.Trie, entrySlice) {
 	accTrie, _ := trie.New(common.Hash{}, db)
 	var entries entrySlice
 	for i := uint64(1); i <= uint64(n); i++ {
-		value, _ := rlp.EncodeToBytes(types.StateAccount{
+		value, _ := rlp.EncodeToBytes(&types.StateAccount{
 			Nonce:    i,
 			Balance:  big.NewInt(int64(i)),
 			Root:     emptyRoot,
@@ -1394,7 +1394,7 @@ func makeBoundaryAccountTrie(n int) (*trie.Trie, entrySlice) {
 	}
 	// Fill boundary accounts
 	for i := 0; i < len(boundaries); i++ {
-		value, _ := rlp.EncodeToBytes(types.StateAccount{
+		value, _ := rlp.EncodeToBytes(&types.StateAccount{
 			Nonce:    uint64(0),
 			Balance:  big.NewInt(int64(i)),
 			Root:     emptyRoot,
@@ -1406,7 +1406,7 @@ func makeBoundaryAccountTrie(n int) (*trie.Trie, entrySlice) {
 	}
 	// Fill other accounts if required
 	for i := uint64(1); i <= uint64(n); i++ {
-		value, _ := rlp.EncodeToBytes(types.StateAccount{
+		value, _ := rlp.EncodeToBytes(&types.StateAccount{
 			Nonce:    i,
 			Balance:  big.NewInt(int64(i)),
 			Root:     emptyRoot,
@@ -1442,7 +1442,7 @@ func makeAccountTrieWithStorageWithUniqueStorage(accounts, slots int, code bool)
 		stTrie, stEntries := makeStorageTrieWithSeed(uint64(slots), i, db)
 		stRoot := stTrie.Hash()
 		stTrie.Commit(nil)
-		value, _ := rlp.EncodeToBytes(types.StateAccount{
+		value, _ := rlp.EncodeToBytes(&types.StateAccount{
 			Nonce:    i,
 			Balance:  big.NewInt(int64(i)),
 			Root:     stRoot,
@@ -1489,7 +1489,7 @@ func makeAccountTrieWithStorage(accounts, slots int, code, boundary bool) (*trie
 		if code {
 			codehash = getCodeHash(i)
 		}
-		value, _ := rlp.EncodeToBytes(types.StateAccount{
+		value, _ := rlp.EncodeToBytes(&types.StateAccount{
 			Nonce:    i,
 			Balance:  big.NewInt(int64(i)),
 			Root:     stRoot,

les/peer.go

@@ -213,7 +213,7 @@ func (p *peerCommons) sendReceiveHandshake(sendList keyValueList) (keyValueList,
 	)
 	// Send out own handshake in a new thread
 	go func() {
-		errc <- p2p.Send(p.rw, StatusMsg, sendList)
+		errc <- p2p.Send(p.rw, StatusMsg, &sendList)
 	}()
 	go func() {
 		// In the mean time retrieve the remote status message
@@ -421,7 +421,7 @@ func sendRequest(w p2p.MsgWriter, msgcode, reqID uint64, data interface{}) error
 		ReqID uint64
 		Data  interface{}
 	}
-	return p2p.Send(w, msgcode, req{reqID, data})
+	return p2p.Send(w, msgcode, &req{reqID, data})
 }
 
 func (p *serverPeer) sendRequest(msgcode, reqID uint64, data interface{}, amount int) error {
@@ -871,7 +871,7 @@ func (r *reply) send(bv uint64) error {
 		ReqID, BV uint64
 		Data      rlp.RawValue
 	}
-	return p2p.Send(r.w, r.msgcode, resp{r.reqID, bv, r.data})
+	return p2p.Send(r.w, r.msgcode, &resp{r.reqID, bv, r.data})
 }
 
 // size returns the RLP encoded size of the message data

les/test_helper.go

@@ -356,7 +356,7 @@ func (p *testPeer) handshakeWithServer(t *testing.T, td *big.Int, head common.Ha
 	if err := p2p.ExpectMsg(p.app, StatusMsg, nil); err != nil {
 		t.Fatalf("status recv: %v", err)
 	}
-	if err := p2p.Send(p.app, StatusMsg, sendList); err != nil {
+	if err := p2p.Send(p.app, StatusMsg, &sendList); err != nil {
 		t.Fatalf("status send: %v", err)
 	}
 }
@@ -389,7 +389,7 @@ func (p *testPeer) handshakeWithClient(t *testing.T, td *big.Int, head common.Ha
 	if err := p2p.ExpectMsg(p.app, StatusMsg, nil); err != nil {
 		t.Fatalf("status recv: %v", err)
 	}
-	if err := p2p.Send(p.app, StatusMsg, sendList); err != nil {
+	if err := p2p.Send(p.app, StatusMsg, &sendList); err != nil {
 		t.Fatalf("status send: %v", err)
 	}
 }

p2p/simulations/http_test.go

@@ -141,7 +141,7 @@ func (t *testService) Stop() error {
 // message with the given code
 func (t *testService) handshake(rw p2p.MsgReadWriter, code uint64) error {
 	errc := make(chan error, 2)
-	go func() { errc <- p2p.Send(rw, code, struct{}{}) }()
+	go func() { errc <- p2p.SendItems(rw, code) }()
 	go func() { errc <- p2p.ExpectMsg(rw, code, struct{}{}) }()
 	for i := 0; i < 2; i++ {
 		if err := <-errc; err != nil {