all: merge branch master into ulerdogan-secp256r1

README.md

@@ -123,15 +123,6 @@ use separate accounts for play and real money. Unless you manually move
 accounts, `geth` will by default correctly separate the two networks and will not make any
 accounts available between them.*
 
-### Full node on the Rinkeby test network
-
-Go Ethereum also supports connecting to the older proof-of-authority based test network
-called [*Rinkeby*](https://www.rinkeby.io) which is operated by members of the community.
-
-```shell
-$ geth --rinkeby console
-```
-
 ### Configuration
 
 As an alternative to passing the numerous flags to the `geth` binary, you can also pass a

accounts/abi/abi.go

@@ -222,6 +222,17 @@ func (abi *ABI) EventByID(topic common.Hash) (*Event, error) {
 	return nil, fmt.Errorf("no event with id: %#x", topic.Hex())
 }
 
+// ErrorByID looks up an error by the 4-byte id,
+// returns nil if none found.
+func (abi *ABI) ErrorByID(sigdata [4]byte) (*Error, error) {
+	for _, errABI := range abi.Errors {
+		if bytes.Equal(errABI.ID[:4], sigdata[:]) {
+			return &errABI, nil
+		}
+	}
+	return nil, fmt.Errorf("no error with id: %#x", sigdata[:])
+}
+
 // HasFallback returns an indicator whether a fallback function is included.
 func (abi *ABI) HasFallback() bool {
 	return abi.Fallback.Type == Fallback

accounts/abi/abi_test.go

@@ -1057,6 +1057,34 @@ func TestABI_EventById(t *testing.T) {
 	}
 }
 
+func TestABI_ErrorByID(t *testing.T) {
+	abi, err := JSON(strings.NewReader(`[
+		{"inputs":[{"internalType":"uint256","name":"x","type":"uint256"}],"name":"MyError1","type":"error"},
+		{"inputs":[{"components":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"string","name":"b","type":"string"},{"internalType":"address","name":"c","type":"address"}],"internalType":"struct MyError.MyStruct","name":"x","type":"tuple"},{"internalType":"address","name":"y","type":"address"},{"components":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"string","name":"b","type":"string"},{"internalType":"address","name":"c","type":"address"}],"internalType":"struct MyError.MyStruct","name":"z","type":"tuple"}],"name":"MyError2","type":"error"},
+		{"inputs":[{"internalType":"uint256[]","name":"x","type":"uint256[]"}],"name":"MyError3","type":"error"}
+	]`))
+	if err != nil {
+		t.Fatal(err)
+	}
+	for name, m := range abi.Errors {
+		a := fmt.Sprintf("%v", &m)
+		var id [4]byte
+		copy(id[:], m.ID[:4])
+		m2, err := abi.ErrorByID(id)
+		if err != nil {
+			t.Fatalf("Failed to look up ABI error: %v", err)
+		}
+		b := fmt.Sprintf("%v", m2)
+		if a != b {
+			t.Errorf("Error %v (id %x) not 'findable' by id in ABI", name, id)
+		}
+	}
+	// test unsuccessful lookups
+	if _, err = abi.ErrorByID([4]byte{}); err == nil {
+		t.Error("Expected error: no error with this id")
+	}
+}
+
 // TestDoubleDuplicateMethodNames checks that if transfer0 already exists, there won't be a name
 // conflict and that the second transfer method will be renamed transfer1.
 func TestDoubleDuplicateMethodNames(t *testing.T) {

accounts/abi/bind/backends/simulated.go

@@ -681,7 +681,7 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
 	// Get the last block
 	block, err := b.blockByHash(ctx, b.pendingBlock.ParentHash())
 	if err != nil {
-		return fmt.Errorf("could not fetch parent")
+		return errors.New("could not fetch parent")
 	}
 	// Check transaction validity
 	signer := types.MakeSigner(b.blockchain.Config(), block.Number(), block.Time())
@@ -815,7 +815,7 @@ func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
 	// Get the last block
 	block := b.blockchain.GetBlockByHash(b.pendingBlock.ParentHash())
 	if block == nil {
-		return fmt.Errorf("could not find parent")
+		return errors.New("could not find parent")
 	}
 
 	blocks, _ := core.GenerateChain(b.config, block, ethash.NewFaker(), b.database, 1, func(number int, block *core.BlockGen) {

accounts/abi/error.go

@@ -78,7 +78,7 @@ func NewError(name string, inputs Arguments) Error {
 	}
 }
 
-func (e *Error) String() string {
+func (e Error) String() string {
 	return e.str
 }
 

accounts/abi/reflect.go

@@ -228,7 +228,7 @@ func mapArgNamesToStructFields(argNames []string, value reflect.Value) (map[stri
 		structFieldName := ToCamelCase(argName)
 
 		if structFieldName == "" {
-			return nil, fmt.Errorf("abi: purely underscored output cannot unpack to struct")
+			return nil, errors.New("abi: purely underscored output cannot unpack to struct")
 		}
 
 		// this abi has already been paired, skip it... unless there exists another, yet unassigned

accounts/abi/selector_parser.go

@@ -17,6 +17,7 @@
 package abi
 
 import (
+	"errors"
 	"fmt"
 )
 
@@ -40,7 +41,7 @@ func isIdentifierSymbol(c byte) bool {
 
 func parseToken(unescapedSelector string, isIdent bool) (string, string, error) {
 	if len(unescapedSelector) == 0 {
-		return "", "", fmt.Errorf("empty token")
+		return "", "", errors.New("empty token")
 	}
 	firstChar := unescapedSelector[0]
 	position := 1
@@ -110,7 +111,7 @@ func parseCompositeType(unescapedSelector string) ([]interface{}, string, error)
 
 func parseType(unescapedSelector string) (interface{}, string, error) {
 	if len(unescapedSelector) == 0 {
-		return nil, "", fmt.Errorf("empty type")
+		return nil, "", errors.New("empty type")
 	}
 	if unescapedSelector[0] == '(' {
 		return parseCompositeType(unescapedSelector)

accounts/abi/type.go

@@ -70,7 +70,7 @@ var (
 func NewType(t string, internalType string, components []ArgumentMarshaling) (typ Type, err error) {
 	// check that array brackets are equal if they exist
 	if strings.Count(t, "[") != strings.Count(t, "]") {
-		return Type{}, fmt.Errorf("invalid arg type in abi")
+		return Type{}, errors.New("invalid arg type in abi")
 	}
 	typ.stringKind = t
 
@@ -109,7 +109,7 @@ func NewType(t string, internalType string, components []ArgumentMarshaling) (ty
 			}
 			typ.stringKind = embeddedType.stringKind + sliced
 		} else {
-			return Type{}, fmt.Errorf("invalid formatting of array type")
+			return Type{}, errors.New("invalid formatting of array type")
 		}
 		return typ, err
 	}

accounts/abi/unpack.go

@@ -18,6 +18,7 @@ package abi
 
 import (
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"math"
 	"math/big"
@@ -125,7 +126,7 @@ func readBool(word []byte) (bool, error) {
 // readFunctionType enforces that standard by always presenting it as a 24-array (address + sig = 24 bytes)
 func readFunctionType(t Type, word []byte) (funcTy [24]byte, err error) {
 	if t.T != FunctionTy {
-		return [24]byte{}, fmt.Errorf("abi: invalid type in call to make function type byte array")
+		return [24]byte{}, errors.New("abi: invalid type in call to make function type byte array")
 	}
 	if garbage := binary.BigEndian.Uint64(word[24:32]); garbage != 0 {
 		err = fmt.Errorf("abi: got improperly encoded function type, got %v", word)
@@ -138,7 +139,7 @@ func readFunctionType(t Type, word []byte) (funcTy [24]byte, err error) {
 // ReadFixedBytes uses reflection to create a fixed array to be read from.
 func ReadFixedBytes(t Type, word []byte) (interface{}, error) {
 	if t.T != FixedBytesTy {
-		return nil, fmt.Errorf("abi: invalid type in call to make fixed byte array")
+		return nil, errors.New("abi: invalid type in call to make fixed byte array")
 	}
 	// convert
 	array := reflect.New(t.GetType()).Elem()
@@ -166,7 +167,7 @@ func forEachUnpack(t Type, output []byte, start, size int) (interface{}, error)
 		// declare our array
 		refSlice = reflect.New(t.GetType()).Elem()
 	} else {
-		return nil, fmt.Errorf("abi: invalid type in array/slice unpacking stage")
+		return nil, errors.New("abi: invalid type in array/slice unpacking stage")
 	}
 
 	// Arrays have packed elements, resulting in longer unpack steps.

accounts/external/backend.go

@@ -17,6 +17,7 @@
 package external
 
 import (
+	"errors"
 	"fmt"
 	"math/big"
 	"sync"
@@ -98,11 +99,11 @@ func (api *ExternalSigner) Status() (string, error) {
 }
 
 func (api *ExternalSigner) Open(passphrase string) error {
-	return fmt.Errorf("operation not supported on external signers")
+	return errors.New("operation not supported on external signers")
 }
 
 func (api *ExternalSigner) Close() error {
-	return fmt.Errorf("operation not supported on external signers")
+	return errors.New("operation not supported on external signers")
 }
 
 func (api *ExternalSigner) Accounts() []accounts.Account {
@@ -145,7 +146,7 @@ func (api *ExternalSigner) Contains(account accounts.Account) bool {
 }
 
 func (api *ExternalSigner) Derive(path accounts.DerivationPath, pin bool) (accounts.Account, error) {
-	return accounts.Account{}, fmt.Errorf("operation not supported on external signers")
+	return accounts.Account{}, errors.New("operation not supported on external signers")
 }
 
 func (api *ExternalSigner) SelfDerive(bases []accounts.DerivationPath, chain ethereum.ChainStateReader) {
@@ -242,14 +243,14 @@ func (api *ExternalSigner) SignTx(account accounts.Account, tx *types.Transactio
 }
 
 func (api *ExternalSigner) SignTextWithPassphrase(account accounts.Account, passphrase string, text []byte) ([]byte, error) {
-	return []byte{}, fmt.Errorf("password-operations not supported on external signers")
+	return []byte{}, errors.New("password-operations not supported on external signers")
 }
 
 func (api *ExternalSigner) SignTxWithPassphrase(account accounts.Account, passphrase string, tx *types.Transaction, chainID *big.Int) (*types.Transaction, error) {
-	return nil, fmt.Errorf("password-operations not supported on external signers")
+	return nil, errors.New("password-operations not supported on external signers")
 }
 func (api *ExternalSigner) SignDataWithPassphrase(account accounts.Account, passphrase, mimeType string, data []byte) ([]byte, error) {
-	return nil, fmt.Errorf("password-operations not supported on external signers")
+	return nil, errors.New("password-operations not supported on external signers")
 }
 
 func (api *ExternalSigner) listAccounts() ([]common.Address, error) {

accounts/keystore/account_cache_test.go

@@ -17,6 +17,7 @@
 package keystore
 
 import (
+	"errors"
 	"fmt"
 	"math/rand"
 	"os"
@@ -74,7 +75,7 @@ func waitForAccounts(wantAccounts []accounts.Account, ks *KeyStore) error {
 			select {
 			case <-ks.changes:
 			default:
-				return fmt.Errorf("wasn't notified of new accounts")
+				return errors.New("wasn't notified of new accounts")
 			}
 			return nil
 		}

accounts/keystore/passphrase.go

@@ -225,10 +225,13 @@ func DecryptKey(keyjson []byte, auth string) (*Key, error) {
 	if err != nil {
 		return nil, err
 	}
-	key := crypto.ToECDSAUnsafe(keyBytes)
+	key, err := crypto.ToECDSA(keyBytes)
+	if err != nil {
+		return nil, fmt.Errorf("invalid key: %w", err)
+	}
 	id, err := uuid.FromBytes(keyId)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("invalid UUID: %w", err)
 	}
 	return &Key{
 		Id:         id,

accounts/scwallet/securechannel.go

@@ -24,6 +24,7 @@ import (
 	"crypto/rand"
 	"crypto/sha256"
 	"crypto/sha512"
+	"errors"
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/crypto"
@@ -125,7 +126,7 @@ func (s *SecureChannelSession) Pair(pairingPassword []byte) error {
 // Unpair disestablishes an existing pairing.
 func (s *SecureChannelSession) Unpair() error {
 	if s.PairingKey == nil {
-		return fmt.Errorf("cannot unpair: not paired")
+		return errors.New("cannot unpair: not paired")
 	}
 
 	_, err := s.transmitEncrypted(claSCWallet, insUnpair, s.PairingIndex, 0, []byte{})
@@ -141,7 +142,7 @@ func (s *SecureChannelSession) Unpair() error {
 // Open initializes the secure channel.
 func (s *SecureChannelSession) Open() error {
 	if s.iv != nil {
-		return fmt.Errorf("session already opened")
+		return errors.New("session already opened")
 	}
 
 	response, err := s.open()
@@ -215,7 +216,7 @@ func (s *SecureChannelSession) pair(p1 uint8, data []byte) (*responseAPDU, error
 // transmitEncrypted sends an encrypted message, and decrypts and returns the response.
 func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []byte) (*responseAPDU, error) {
 	if s.iv == nil {
-		return nil, fmt.Errorf("channel not open")
+		return nil, errors.New("channel not open")
 	}
 
 	data, err := s.encryptAPDU(data)
@@ -254,7 +255,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
 		return nil, err
 	}
 	if !bytes.Equal(s.iv, rmac) {
-		return nil, fmt.Errorf("invalid MAC in response")
+		return nil, errors.New("invalid MAC in response")
 	}
 
 	rapdu := &responseAPDU{}
@@ -319,7 +320,7 @@ func unpad(data []byte, terminator byte) ([]byte, error) {
 			return nil, fmt.Errorf("expected end of padding, got %d", data[len(data)-i])
 		}
 	}
-	return nil, fmt.Errorf("expected end of padding, got 0")
+	return nil, errors.New("expected end of padding, got 0")
 }
 
 // updateIV is an internal method that updates the initialization vector after

accounts/scwallet/wallet.go

@@ -252,7 +252,7 @@ func (w *Wallet) release() error {
 // with the wallet.
 func (w *Wallet) pair(puk []byte) error {
 	if w.session.paired() {
-		return fmt.Errorf("wallet already paired")
+		return errors.New("wallet already paired")
 	}
 	pairing, err := w.session.pair(puk)
 	if err != nil {
@@ -813,7 +813,7 @@ func (s *Session) pair(secret []byte) (smartcardPairing, error) {
 // unpair deletes an existing pairing.
 func (s *Session) unpair() error {
 	if !s.verified {
-		return fmt.Errorf("unpair requires that the PIN be verified")
+		return errors.New("unpair requires that the PIN be verified")
 	}
 	return s.Channel.Unpair()
 }
@@ -907,7 +907,7 @@ func (s *Session) initialize(seed []byte) error {
 		return err
 	}
 	if status == "Online" {
-		return fmt.Errorf("card is already initialized, cowardly refusing to proceed")
+		return errors.New("card is already initialized, cowardly refusing to proceed")
 	}
 
 	s.Wallet.lock.Lock()

beacon/merkle/merkle.go

@@ -0,0 +1,67 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package merkle implements proof verifications in binary merkle trees.
+package merkle
+
+import (
+	"crypto/sha256"
+	"errors"
+	"reflect"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+// Value represents either a 32 byte leaf value or hash node in a binary merkle tree/partial proof.
+type Value [32]byte
+
+// Values represent a series of merkle tree leaves/nodes.
+type Values []Value
+
+var valueT = reflect.TypeOf(Value{})
+
+// UnmarshalJSON parses a merkle value in hex syntax.
+func (m *Value) UnmarshalJSON(input []byte) error {
+	return hexutil.UnmarshalFixedJSON(valueT, input, m[:])
+}
+
+// VerifyProof verifies a Merkle proof branch for a single value in a
+// binary Merkle tree (index is a generalized tree index).
+func VerifyProof(root common.Hash, index uint64, branch Values, value Value) error {
+	hasher := sha256.New()
+	for _, sibling := range branch {
+		hasher.Reset()
+		if index&1 == 0 {
+			hasher.Write(value[:])
+			hasher.Write(sibling[:])
+		} else {
+			hasher.Write(sibling[:])
+			hasher.Write(value[:])
+		}
+		hasher.Sum(value[:0])
+		if index >>= 1; index == 0 {
+			return errors.New("branch has extra items")
+		}
+	}
+	if index != 1 {
+		return errors.New("branch is missing items")
+	}
+	if common.Hash(value) != root {
+		return errors.New("root mismatch")
+	}
+	return nil
+}

beacon/params/params.go

@@ -1,4 +1,4 @@
-// Copyright 2021 The go-ethereum Authors
+// Copyright 2022 The go-ethereum Authors
 // This file is part of the go-ethereum library.
 //
 // The go-ethereum library is free software: you can redistribute it and/or modify
@@ -14,22 +14,31 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
-//go:build linux
-// +build linux
+package params
 
-package ethash
+const (
+	EpochLength      = 32
+	SyncPeriodLength = 8192
 
-import (
-	"os"
+	BLSSignatureSize = 96
+	BLSPubkeySize    = 48
 
-	"golang.org/x/sys/unix"
+	SyncCommitteeSize          = 512
+	SyncCommitteeBitmaskSize   = SyncCommitteeSize / 8
+	SyncCommitteeSupermajority = (SyncCommitteeSize*2 + 2) / 3
 )
 
-// ensureSize expands the file to the given size. This is to prevent runtime
-// errors later on, if the underlying file expands beyond the disk capacity,
-// even though it ostensibly is already expanded, but due to being sparse
-// does not actually occupy the full declared size on disk.
-func ensureSize(f *os.File, size int64) error {
-	// Docs: https://www.man7.org/linux/man-pages/man2/fallocate.2.html
-	return unix.Fallocate(int(f.Fd()), 0, 0, size)
-}
+const (
+	StateIndexGenesisTime       = 32
+	StateIndexGenesisValidators = 33
+	StateIndexForkVersion       = 141
+	StateIndexLatestHeader      = 36
+	StateIndexBlockRoots        = 37
+	StateIndexStateRoots        = 38
+	StateIndexHistoricRoots     = 39
+	StateIndexFinalBlock        = 105
+	StateIndexSyncCommittee     = 54
+	StateIndexNextSyncCommittee = 55
+	StateIndexExecPayload       = 56
+	StateIndexExecHead          = 908
+)

beacon/types/committee.go

@@ -0,0 +1,191 @@
+// Copyright 2023 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"crypto/sha256"
+	"encoding/json"
+	"fmt"
+	"math/bits"
+
+	"github.com/ethereum/go-ethereum/beacon/params"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	bls "github.com/protolambda/bls12-381-util"
+)
+
+// SerializedSyncCommitteeSize is the size of the sync committee plus the
+// aggregate public key.
+const SerializedSyncCommitteeSize = (params.SyncCommitteeSize + 1) * params.BLSPubkeySize
+
+// SerializedSyncCommittee is the serialized version of a sync committee
+// plus the aggregate public key.
+type SerializedSyncCommittee [SerializedSyncCommitteeSize]byte
+
+// jsonSyncCommittee is the JSON representation of a sync committee.
+//
+// See data structure definition here:
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/beacon-chain.md#syncaggregate
+type jsonSyncCommittee struct {
+	Pubkeys   []hexutil.Bytes `json:"pubkeys"`
+	Aggregate hexutil.Bytes   `json:"aggregate_pubkey"`
+}
+
+// MarshalJSON implements json.Marshaler.
+func (s *SerializedSyncCommittee) MarshalJSON() ([]byte, error) {
+	sc := jsonSyncCommittee{Pubkeys: make([]hexutil.Bytes, params.SyncCommitteeSize)}
+	for i := range sc.Pubkeys {
+		sc.Pubkeys[i] = make(hexutil.Bytes, params.BLSPubkeySize)
+		copy(sc.Pubkeys[i][:], s[i*params.BLSPubkeySize:(i+1)*params.BLSPubkeySize])
+	}
+	sc.Aggregate = make(hexutil.Bytes, params.BLSPubkeySize)
+	copy(sc.Aggregate[:], s[params.SyncCommitteeSize*params.BLSPubkeySize:])
+	return json.Marshal(&sc)
+}
+
+// UnmarshalJSON implements json.Marshaler.
+func (s *SerializedSyncCommittee) UnmarshalJSON(input []byte) error {
+	var sc jsonSyncCommittee
+	if err := json.Unmarshal(input, &sc); err != nil {
+		return err
+	}
+	if len(sc.Pubkeys) != params.SyncCommitteeSize {
+		return fmt.Errorf("invalid number of pubkeys %d", len(sc.Pubkeys))
+	}
+	for i, key := range sc.Pubkeys {
+		if len(key) != params.BLSPubkeySize {
+			return fmt.Errorf("pubkey %d has invalid size %d", i, len(key))
+		}
+		copy(s[i*params.BLSPubkeySize:], key[:])
+	}
+	if len(sc.Aggregate) != params.BLSPubkeySize {
+		return fmt.Errorf("invalid aggregate pubkey size %d", len(sc.Aggregate))
+	}
+	copy(s[params.SyncCommitteeSize*params.BLSPubkeySize:], sc.Aggregate[:])
+	return nil
+}
+
+// Root calculates the root hash of the binary tree representation of a sync
+// committee provided in serialized format.
+//
+// TODO(zsfelfoldi): Get rid of this when SSZ encoding lands.
+func (s *SerializedSyncCommittee) Root() common.Hash {
+	var (
+		hasher  = sha256.New()
+		padding [64 - params.BLSPubkeySize]byte
+		data    [params.SyncCommitteeSize]common.Hash
+		l       = params.SyncCommitteeSize
+	)
+	for i := range data {
+		hasher.Reset()
+		hasher.Write(s[i*params.BLSPubkeySize : (i+1)*params.BLSPubkeySize])
+		hasher.Write(padding[:])
+		hasher.Sum(data[i][:0])
+	}
+	for l > 1 {
+		for i := 0; i < l/2; i++ {
+			hasher.Reset()
+			hasher.Write(data[i*2][:])
+			hasher.Write(data[i*2+1][:])
+			hasher.Sum(data[i][:0])
+		}
+		l /= 2
+	}
+	hasher.Reset()
+	hasher.Write(s[SerializedSyncCommitteeSize-params.BLSPubkeySize : SerializedSyncCommitteeSize])
+	hasher.Write(padding[:])
+	hasher.Sum(data[1][:0])
+	hasher.Reset()
+	hasher.Write(data[0][:])
+	hasher.Write(data[1][:])
+	hasher.Sum(data[0][:0])
+	return data[0]
+}
+
+// Deserialize splits open the pubkeys into proper BLS key types.
+func (s *SerializedSyncCommittee) Deserialize() (*SyncCommittee, error) {
+	sc := new(SyncCommittee)
+	for i := 0; i <= params.SyncCommitteeSize; i++ {
+		key := new(bls.Pubkey)
+
+		var bytes [params.BLSPubkeySize]byte
+		copy(bytes[:], s[i*params.BLSPubkeySize:(i+1)*params.BLSPubkeySize])
+
+		if err := key.Deserialize(&bytes); err != nil {
+			return nil, err
+		}
+		if i < params.SyncCommitteeSize {
+			sc.keys[i] = key
+		} else {
+			sc.aggregate = key
+		}
+	}
+	return sc, nil
+}
+
+// SyncCommittee is a set of sync committee signer pubkeys and the aggregate key.
+//
+// See data structure definition here:
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/beacon-chain.md#syncaggregate
+type SyncCommittee struct {
+	keys      [params.SyncCommitteeSize]*bls.Pubkey
+	aggregate *bls.Pubkey
+}
+
+// VerifySignature returns true if the given sync aggregate is a valid signature
+// or the given hash.
+func (sc *SyncCommittee) VerifySignature(signingRoot common.Hash, signature *SyncAggregate) bool {
+	var (
+		sig  bls.Signature
+		keys = make([]*bls.Pubkey, 0, params.SyncCommitteeSize)
+	)
+	if err := sig.Deserialize(&signature.Signature); err != nil {
+		return false
+	}
+	for i, key := range sc.keys {
+		if signature.Signers[i/8]&(byte(1)<<(i%8)) != 0 {
+			keys = append(keys, key)
+		}
+	}
+	return bls.FastAggregateVerify(keys, signingRoot[:], &sig)
+}
+
+//go:generate go run github.com/fjl/gencodec -type SyncAggregate -field-override syncAggregateMarshaling -out gen_syncaggregate_json.go
+
+// SyncAggregate represents an aggregated BLS signature with Signers referring
+// to a subset of the corresponding sync committee.
+//
+// See data structure definition here:
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/beacon-chain.md#syncaggregate
+type SyncAggregate struct {
+	Signers   [params.SyncCommitteeBitmaskSize]byte `gencodec:"required" json:"sync_committee_bits"`
+	Signature [params.BLSSignatureSize]byte         `gencodec:"required" json:"sync_committee_signature"`
+}
+
+type syncAggregateMarshaling struct {
+	Signers   hexutil.Bytes
+	Signature hexutil.Bytes
+}
+
+// SignerCount returns the number of signers in the aggregate signature.
+func (s *SyncAggregate) SignerCount() int {
+	var count int
+	for _, v := range s.Signers {
+		count += bits.OnesCount8(v)
+	}
+	return count
+}

beacon/types/config.go

@@ -0,0 +1,176 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"os"
+	"sort"
+	"strconv"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/beacon/merkle"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"gopkg.in/yaml.v3"
+)
+
+// syncCommitteeDomain specifies the signatures specific use to avoid clashes
+// across signing different data structures.
+const syncCommitteeDomain = 7
+
+// Fork describes a single beacon chain fork and also stores the calculated
+// signature domain used after this fork.
+type Fork struct {
+	// Name of the fork in the chain config (config.yaml) file{
+	Name string
+
+	// Epoch when given fork version is activated
+	Epoch uint64
+
+	// Fork version, see https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#custom-types
+	Version []byte
+
+	// calculated by computeDomain, based on fork version and genesis validators root
+	domain merkle.Value
+}
+
+// computeDomain returns the signature domain based on the given fork version
+// and genesis validator set root.
+func (f *Fork) computeDomain(genesisValidatorsRoot common.Hash) {
+	var (
+		hasher        = sha256.New()
+		forkVersion32 merkle.Value
+		forkDataRoot  merkle.Value
+	)
+	copy(forkVersion32[:], f.Version)
+	hasher.Write(forkVersion32[:])
+	hasher.Write(genesisValidatorsRoot[:])
+	hasher.Sum(forkDataRoot[:0])
+
+	f.domain[0] = syncCommitteeDomain
+	copy(f.domain[4:], forkDataRoot[:28])
+}
+
+// Forks is the list of all beacon chain forks in the chain configuration.
+type Forks []*Fork
+
+// domain returns the signature domain for the given epoch (assumes that domains
+// have already been calculated).
+func (f Forks) domain(epoch uint64) (merkle.Value, error) {
+	for i := len(f) - 1; i >= 0; i-- {
+		if epoch >= f[i].Epoch {
+			return f[i].domain, nil
+		}
+	}
+	return merkle.Value{}, fmt.Errorf("unknown fork for epoch %d", epoch)
+}
+
+// SigningRoot calculates the signing root of the given header.
+func (f Forks) SigningRoot(header Header) (common.Hash, error) {
+	domain, err := f.domain(header.Epoch())
+	if err != nil {
+		return common.Hash{}, err
+	}
+	var (
+		signingRoot common.Hash
+		headerHash  = header.Hash()
+		hasher      = sha256.New()
+	)
+	hasher.Write(headerHash[:])
+	hasher.Write(domain[:])
+	hasher.Sum(signingRoot[:0])
+
+	return signingRoot, nil
+}
+
+func (f Forks) Len() int           { return len(f) }
+func (f Forks) Swap(i, j int)      { f[i], f[j] = f[j], f[i] }
+func (f Forks) Less(i, j int) bool { return f[i].Epoch < f[j].Epoch }
+
+// ChainConfig contains the beacon chain configuration.
+type ChainConfig struct {
+	GenesisTime           uint64      // Unix timestamp of slot 0
+	GenesisValidatorsRoot common.Hash // Root hash of the genesis validator set, used for signature domain calculation
+	Forks                 Forks
+}
+
+// AddFork adds a new item to the list of forks.
+func (c *ChainConfig) AddFork(name string, epoch uint64, version []byte) *ChainConfig {
+	fork := &Fork{
+		Name:    name,
+		Epoch:   epoch,
+		Version: version,
+	}
+	fork.computeDomain(c.GenesisValidatorsRoot)
+
+	c.Forks = append(c.Forks, fork)
+	sort.Sort(c.Forks)
+
+	return c
+}
+
+// LoadForks parses the beacon chain configuration file (config.yaml) and extracts
+// the list of forks.
+func (c *ChainConfig) LoadForks(path string) error {
+	file, err := os.ReadFile(path)
+	if err != nil {
+		return fmt.Errorf("failed to read beacon chain config file: %v", err)
+	}
+	config := make(map[string]string)
+	if err := yaml.Unmarshal(file, &config); err != nil {
+		return fmt.Errorf("failed to parse beacon chain config file: %v", err)
+	}
+	var (
+		versions = make(map[string][]byte)
+		epochs   = make(map[string]uint64)
+	)
+	epochs["GENESIS"] = 0
+
+	for key, value := range config {
+		if strings.HasSuffix(key, "_FORK_VERSION") {
+			name := key[:len(key)-len("_FORK_VERSION")]
+			if v, err := hexutil.Decode(value); err == nil {
+				versions[name] = v
+			} else {
+				return fmt.Errorf("failed to decode hex fork id %q in beacon chain config file: %v", value, err)
+			}
+		}
+		if strings.HasSuffix(key, "_FORK_EPOCH") {
+			name := key[:len(key)-len("_FORK_EPOCH")]
+			if v, err := strconv.ParseUint(value, 10, 64); err == nil {
+				epochs[name] = v
+			} else {
+				return fmt.Errorf("failed to parse epoch number %q in beacon chain config file: %v", value, err)
+			}
+		}
+	}
+	for name, epoch := range epochs {
+		if version, ok := versions[name]; ok {
+			delete(versions, name)
+			c.AddFork(name, epoch, version)
+		} else {
+			return fmt.Errorf("fork id missing for %q in beacon chain config file", name)
+		}
+	}
+	for name := range versions {
+		return fmt.Errorf("epoch number missing for fork %q in beacon chain config file", name)
+	}
+	sort.Sort(c.Forks)
+	return nil
+}

beacon/types/gen_header_json.go

@@ -0,0 +1,66 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package types
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+var _ = (*headerMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (h Header) MarshalJSON() ([]byte, error) {
+	type Header struct {
+		Slot          common.Decimal `gencodec:"required" json:"slot"`
+		ProposerIndex common.Decimal `gencodec:"required" json:"proposer_index"`
+		ParentRoot    common.Hash    `gencodec:"required" json:"parent_root"`
+		StateRoot     common.Hash    `gencodec:"required" json:"state_root"`
+		BodyRoot      common.Hash    `gencodec:"required" json:"body_root"`
+	}
+	var enc Header
+	enc.Slot = common.Decimal(h.Slot)
+	enc.ProposerIndex = common.Decimal(h.ProposerIndex)
+	enc.ParentRoot = h.ParentRoot
+	enc.StateRoot = h.StateRoot
+	enc.BodyRoot = h.BodyRoot
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (h *Header) UnmarshalJSON(input []byte) error {
+	type Header struct {
+		Slot          *common.Decimal `gencodec:"required" json:"slot"`
+		ProposerIndex *common.Decimal `gencodec:"required" json:"proposer_index"`
+		ParentRoot    *common.Hash    `gencodec:"required" json:"parent_root"`
+		StateRoot     *common.Hash    `gencodec:"required" json:"state_root"`
+		BodyRoot      *common.Hash    `gencodec:"required" json:"body_root"`
+	}
+	var dec Header
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Slot == nil {
+		return errors.New("missing required field 'slot' for Header")
+	}
+	h.Slot = uint64(*dec.Slot)
+	if dec.ProposerIndex == nil {
+		return errors.New("missing required field 'proposer_index' for Header")
+	}
+	h.ProposerIndex = uint64(*dec.ProposerIndex)
+	if dec.ParentRoot == nil {
+		return errors.New("missing required field 'parent_root' for Header")
+	}
+	h.ParentRoot = *dec.ParentRoot
+	if dec.StateRoot == nil {
+		return errors.New("missing required field 'state_root' for Header")
+	}
+	h.StateRoot = *dec.StateRoot
+	if dec.BodyRoot == nil {
+		return errors.New("missing required field 'body_root' for Header")
+	}
+	h.BodyRoot = *dec.BodyRoot
+	return nil
+}

beacon/types/gen_syncaggregate_json.go

@@ -0,0 +1,51 @@
+// Code generated by github.com/fjl/gencodec. DO NOT EDIT.
+
+package types
+
+import (
+	"encoding/json"
+	"errors"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+var _ = (*syncAggregateMarshaling)(nil)
+
+// MarshalJSON marshals as JSON.
+func (s SyncAggregate) MarshalJSON() ([]byte, error) {
+	type SyncAggregate struct {
+		Signers   hexutil.Bytes `gencodec:"required" json:"sync_committee_bits"`
+		Signature hexutil.Bytes `gencodec:"required" json:"sync_committee_signature"`
+	}
+	var enc SyncAggregate
+	enc.Signers = s.Signers[:]
+	enc.Signature = s.Signature[:]
+	return json.Marshal(&enc)
+}
+
+// UnmarshalJSON unmarshals from JSON.
+func (s *SyncAggregate) UnmarshalJSON(input []byte) error {
+	type SyncAggregate struct {
+		Signers   *hexutil.Bytes `gencodec:"required" json:"sync_committee_bits"`
+		Signature *hexutil.Bytes `gencodec:"required" json:"sync_committee_signature"`
+	}
+	var dec SyncAggregate
+	if err := json.Unmarshal(input, &dec); err != nil {
+		return err
+	}
+	if dec.Signers == nil {
+		return errors.New("missing required field 'sync_committee_bits' for SyncAggregate")
+	}
+	if len(*dec.Signers) != len(s.Signers) {
+		return errors.New("field 'sync_committee_bits' has wrong length, need 64 items")
+	}
+	copy(s.Signers[:], *dec.Signers)
+	if dec.Signature == nil {
+		return errors.New("missing required field 'sync_committee_signature' for SyncAggregate")
+	}
+	if len(*dec.Signature) != len(s.Signature) {
+		return errors.New("field 'sync_committee_signature' has wrong length, need 96 items")
+	}
+	copy(s.Signature[:], *dec.Signature)
+	return nil
+}

beacon/types/header.go

@@ -0,0 +1,121 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Package types implements a few types of the beacon chain for light client usage.
+package types
+
+import (
+	"crypto/sha256"
+	"encoding/binary"
+
+	"github.com/ethereum/go-ethereum/beacon/merkle"
+	"github.com/ethereum/go-ethereum/beacon/params"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+//go:generate go run github.com/fjl/gencodec -type Header -field-override headerMarshaling -out gen_header_json.go
+
+const (
+	headerIndexSlot          = 8
+	headerIndexProposerIndex = 9
+	headerIndexParentRoot    = 10
+	headerIndexStateRoot     = 11
+	headerIndexBodyRoot      = 12
+)
+
+// Header defines a beacon header.
+//
+// See data structure definition here:
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/phase0/beacon-chain.md#beaconblockheader
+type Header struct {
+	// Monotonically increasing slot number for the beacon block (may be gapped)
+	Slot uint64 `gencodec:"required" json:"slot"`
+
+	// Index into the validator table who created the beacon block
+	ProposerIndex uint64 `gencodec:"required" json:"proposer_index"`
+
+	// SSZ hash of the parent beacon header
+	ParentRoot common.Hash `gencodec:"required" json:"parent_root"`
+
+	// SSZ hash of the beacon state (https://github.com/ethereum/consensus-specs/blob/dev/specs/bellatrix/beacon-chain.md#beacon-state)
+	StateRoot common.Hash `gencodec:"required" json:"state_root"`
+
+	// SSZ hash of the beacon block body (https://github.com/ethereum/consensus-specs/blob/dev/specs/bellatrix/beacon-chain.md#beaconblockbody)
+	BodyRoot common.Hash `gencodec:"required" json:"body_root"`
+}
+
+// headerMarshaling is a field type overrides for gencodec.
+type headerMarshaling struct {
+	Slot          common.Decimal
+	ProposerIndex common.Decimal
+}
+
+// Hash calculates the block root of the header.
+//
+// TODO(zsfelfoldi): Remove this when an SSZ encoder lands.
+func (h *Header) Hash() common.Hash {
+	var values [16]merkle.Value // values corresponding to indices 8 to 15 of the beacon header tree
+	binary.LittleEndian.PutUint64(values[headerIndexSlot][:8], h.Slot)
+	binary.LittleEndian.PutUint64(values[headerIndexProposerIndex][:8], h.ProposerIndex)
+	values[headerIndexParentRoot] = merkle.Value(h.ParentRoot)
+	values[headerIndexStateRoot] = merkle.Value(h.StateRoot)
+	values[headerIndexBodyRoot] = merkle.Value(h.BodyRoot)
+	hasher := sha256.New()
+	for i := 7; i > 0; i-- {
+		hasher.Reset()
+		hasher.Write(values[i*2][:])
+		hasher.Write(values[i*2+1][:])
+		hasher.Sum(values[i][:0])
+	}
+	return common.Hash(values[1])
+}
+
+// Epoch returns the epoch the header belongs to.
+func (h *Header) Epoch() uint64 {
+	return h.Slot / params.EpochLength
+}
+
+// SyncPeriod returns the sync period the header belongs to.
+func (h *Header) SyncPeriod() uint64 {
+	return SyncPeriod(h.Slot)
+}
+
+// SyncPeriodStart returns the first slot of the given period.
+func SyncPeriodStart(period uint64) uint64 {
+	return period * params.SyncPeriodLength
+}
+
+// SyncPeriod returns the sync period that the given slot belongs to.
+func SyncPeriod(slot uint64) uint64 {
+	return slot / params.SyncPeriodLength
+}
+
+// SignedHeader represents a beacon header signed by a sync committee.
+//
+// This structure is created from either an optimistic update or an instant update:
+//   - https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/sync-protocol.md#lightclientoptimisticupdate
+//   - https://github.com/zsfelfoldi/beacon-APIs/blob/instant_update/apis/beacon/light_client/instant_update.yaml
+type SignedHeader struct {
+	// Beacon header being signed
+	Header Header
+
+	// Sync committee BLS signature aggregate
+	Signature SyncAggregate
+
+	// Slot in which the signature has been created (newer than Header.Slot,
+	// determines the signing sync committee)
+	SignatureSlot uint64
+}

beacon/types/update.go

@@ -0,0 +1,118 @@
+// Copyright 2022 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package types
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/beacon/merkle"
+	"github.com/ethereum/go-ethereum/beacon/params"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// LightClientUpdate is a proof of the next sync committee root based on a header
+// signed by the sync committee of the given period. Optionally, the update can
+// prove quasi-finality by the signed header referring to a previous, finalized
+// header from the same period, and the finalized header referring to the next
+// sync committee root.
+//
+// See data structure definition here:
+// https://github.com/ethereum/consensus-specs/blob/dev/specs/altair/light-client/sync-protocol.md#lightclientupdate
+type LightClientUpdate struct {
+	AttestedHeader          SignedHeader  // Arbitrary header out of the period signed by the sync committee
+	NextSyncCommitteeRoot   common.Hash   // Sync committee of the next period advertised in the current one
+	NextSyncCommitteeBranch merkle.Values // Proof for the next period's sync committee
+
+	FinalizedHeader *Header       `rlp:"nil"` // Optional header to announce a point of finality
+	FinalityBranch  merkle.Values // Proof for the announced finality
+
+	score *UpdateScore // Weight of the update to compare between competing ones
+}
+
+// Validate verifies the validity of the update.
+func (update *LightClientUpdate) Validate() error {
+	period := update.AttestedHeader.Header.SyncPeriod()
+	if SyncPeriod(update.AttestedHeader.SignatureSlot) != period {
+		return errors.New("signature slot and signed header are from different periods")
+	}
+	if update.FinalizedHeader != nil {
+		if update.FinalizedHeader.SyncPeriod() != period {
+			return errors.New("finalized header is from different period")
+		}
+		if err := merkle.VerifyProof(update.AttestedHeader.Header.StateRoot, params.StateIndexFinalBlock, update.FinalityBranch, merkle.Value(update.FinalizedHeader.Hash())); err != nil {
+			return fmt.Errorf("invalid finalized header proof: %w", err)
+		}
+	}
+	if err := merkle.VerifyProof(update.AttestedHeader.Header.StateRoot, params.StateIndexNextSyncCommittee, update.NextSyncCommitteeBranch, merkle.Value(update.NextSyncCommitteeRoot)); err != nil {
+		return fmt.Errorf("invalid next sync committee proof: %w", err)
+	}
+	return nil
+}
+
+// Score returns the UpdateScore describing the proof strength of the update
+// Note: thread safety can be ensured by always calling Score on a newly received
+// or decoded update before making it potentially available for other threads
+func (update *LightClientUpdate) Score() UpdateScore {
+	if update.score == nil {
+		update.score = &UpdateScore{
+			SignerCount:     uint32(update.AttestedHeader.Signature.SignerCount()),
+			SubPeriodIndex:  uint32(update.AttestedHeader.Header.Slot & 0x1fff),
+			FinalizedHeader: update.FinalizedHeader != nil,
+		}
+	}
+	return *update.score
+}
+
+// UpdateScore allows the comparison between updates at the same period in order
+// to find the best update chain that provides the strongest proof of being canonical.
+//
+// UpdateScores have a tightly packed binary encoding format for efficient p2p
+// protocol transmission. Each UpdateScore is encoded in 3 bytes.
+// When interpreted as a 24 bit little indian unsigned integer:
+//   - the lowest 10 bits contain the number of signers in the header signature aggregate
+//   - the next 13 bits contain the "sub-period index" which is he signed header's
+//     slot modulo params.SyncPeriodLength (which is correlated with the risk of the chain being
+//     re-orged before the previous period boundary in case of non-finalized updates)
+//   - the highest bit is set when the update is finalized (meaning that the finality
+//     header referenced by the signed header is in the same period as the signed
+//     header, making reorgs before the period boundary impossible
+type UpdateScore struct {
+	SignerCount     uint32 // number of signers in the header signature aggregate
+	SubPeriodIndex  uint32 // signed header's slot modulo params.SyncPeriodLength
+	FinalizedHeader bool   // update is considered finalized if has finalized header from the same period and 2/3 signatures
+}
+
+// finalized returns true if the update has a header signed by at least 2/3 of
+// the committee, referring to a finalized header that refers to the next sync
+// committee. This condition is a close approximation of the actual finality
+// condition that can only be verified by full beacon nodes.
+func (u *UpdateScore) finalized() bool {
+	return u.FinalizedHeader && u.SignerCount >= params.SyncCommitteeSupermajority
+}
+
+// BetterThan returns true if update u is considered better than w.
+func (u UpdateScore) BetterThan(w UpdateScore) bool {
+	var (
+		uFinalized = u.finalized()
+		wFinalized = w.finalized()
+	)
+	if uFinalized != wFinalized {
+		return uFinalized
+	}
+	return u.SignerCount > w.SignerCount
+}

build/ci.go

@@ -207,9 +207,9 @@ func doInstall(cmdline []string) {
 		csdb := build.MustLoadChecksums("build/checksums.txt")
 		tc.Root = build.DownloadGo(csdb, dlgoVersion)
 	}
-
-	// Disable CLI markdown doc generation in release builds.
-	buildTags := []string{"urfave_cli_no_docs"}
+	// Disable CLI markdown doc generation in release builds and enable linking
+	// the CKZG library since we can make it portable here.
+	buildTags := []string{"urfave_cli_no_docs", "ckzg"}
 
 	// Configure the build.
 	env := build.Env()
@@ -221,7 +221,6 @@ func doInstall(cmdline []string) {
 	if env.CI && runtime.GOARCH == "arm64" {
 		gobuild.Args = append(gobuild.Args, "-p", "1")
 	}
-
 	// We use -trimpath to avoid leaking local paths into the built executables.
 	gobuild.Args = append(gobuild.Args, "-trimpath")
 
@@ -299,7 +298,7 @@ func doTest(cmdline []string) {
 		csdb := build.MustLoadChecksums("build/checksums.txt")
 		tc.Root = build.DownloadGo(csdb, dlgoVersion)
 	}
-	gotest := tc.Go("test")
+	gotest := tc.Go("test", "-tags=ckzg")
 
 	// Test a single package at a time. CI builders are slow
 	// and some tests run into timeouts under load.

cmd/clef/README.md

@@ -29,7 +29,7 @@ GLOBAL OPTIONS:
    --loglevel value        log level to emit to the screen (default: 4)
    --keystore value        Directory for the keystore (default: "$HOME/.ethereum/keystore")
    --configdir value       Directory for Clef configuration (default: "$HOME/.clef")
-   --chainid value         Chain id to use for signing (1=mainnet, 4=Rinkeby, 5=Goerli) (default: 1)
+   --chainid value         Chain id to use for signing (1=mainnet, 5=Goerli) (default: 1)
    --lightkdf              Reduce key-derivation RAM & CPU usage at some expense of KDF strength
    --nousb                 Disables monitoring for and managing USB hardware wallets
    --pcscdpath value       Path to the smartcard daemon (pcscd) socket file (default: "/run/pcscd/pcscd.comm")

cmd/clef/main.go

@@ -99,7 +99,7 @@ var (
 	chainIdFlag = &cli.Int64Flag{
 		Name:  "chainid",
 		Value: params.MainnetChainConfig.ChainID.Int64(),
-		Usage: "Chain id to use for signing (1=mainnet, 4=Rinkeby, 5=Goerli)",
+		Usage: "Chain id to use for signing (1=mainnet, 5=Goerli)",
 	}
 	rpcPortFlag = &cli.IntFlag{
 		Name:     "http.port",
@@ -326,7 +326,7 @@ func initializeSecrets(c *cli.Context) error {
 		return err
 	}
 	if num != len(masterSeed) {
-		return fmt.Errorf("failed to read enough random")
+		return errors.New("failed to read enough random")
 	}
 	n, p := keystore.StandardScryptN, keystore.StandardScryptP
 	if c.Bool(utils.LightKDFFlag.Name) {
@@ -482,7 +482,7 @@ func initialize(c *cli.Context) error {
 		}
 	} else if !c.Bool(acceptFlag.Name) {
 		if !confirm(legalWarning) {
-			return fmt.Errorf("aborted by user")
+			return errors.New("aborted by user")
 		}
 		fmt.Println()
 	}
@@ -590,7 +590,7 @@ func accountImport(c *cli.Context) error {
   Address %v
   Keystore file: %v
 
-The key is now encrypted; losing the password will result in permanently losing 
+The key is now encrypted; losing the password will result in permanently losing
 access to the key and all associated funds!
 
 Make sure to backup keystore and passwords in a safe location.`,
@@ -732,6 +732,7 @@ func signer(c *cli.Context) error {
 		cors := utils.SplitAndTrim(c.String(utils.HTTPCORSDomainFlag.Name))
 
 		srv := rpc.NewServer()
+		srv.SetBatchLimits(node.DefaultConfig.BatchRequestLimit, node.DefaultConfig.BatchResponseMaxSize)
 		err := node.RegisterApis(rpcAPI, []string{"account"}, srv)
 		if err != nil {
 			utils.Fatalf("Could not register API: %w", err)
@@ -844,7 +845,7 @@ func readMasterKey(ctx *cli.Context, ui core.UIClientAPI) ([]byte, error) {
 	}
 	masterSeed, err := decryptSeed(cipherKey, password)
 	if err != nil {
-		return nil, fmt.Errorf("failed to decrypt the master seed of clef")
+		return nil, errors.New("failed to decrypt the master seed of clef")
 	}
 	if len(masterSeed) < 256 {
 		return nil, fmt.Errorf("master seed of insufficient length, expected >255 bytes, got %d", len(masterSeed))

cmd/devp2p/README.md

@@ -44,7 +44,7 @@ set to standard output. The following filters are supported:
 - `-limit <N>` limits the output set to N entries, taking the top N nodes by score
 - `-ip <CIDR>` filters nodes by IP subnet
 - `-min-age <duration>` filters nodes by 'first seen' time
-- `-eth-network <mainnet/rinkeby/goerli/sepolia>` filters nodes by "eth" ENR entry
+- `-eth-network <mainnet/goerli/sepolia>` filters nodes by "eth" ENR entry
 - `-les-server` filters nodes by LES server support
 - `-snap` filters nodes by snap protocol support
 

cmd/devp2p/discv4cmd.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"strconv"
@@ -177,7 +178,7 @@ func discv4Resolve(ctx *cli.Context) error {
 
 func discv4ResolveJSON(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need nodes file as argument")
+		return errors.New("need nodes file as argument")
 	}
 	nodesFile := ctx.Args().Get(0)
 	inputSet := make(nodeSet)
@@ -207,7 +208,7 @@ func discv4ResolveJSON(ctx *cli.Context) error {
 
 func discv4Crawl(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need nodes file as argument")
+		return errors.New("need nodes file as argument")
 	}
 	nodesFile := ctx.Args().First()
 	var inputSet nodeSet
@@ -336,7 +337,7 @@ func listen(ctx *cli.Context, ln *enode.LocalNode) *net.UDPConn {
 }
 
 func parseBootnodes(ctx *cli.Context) ([]*enode.Node, error) {
-	s := params.RinkebyBootnodes
+	s := params.MainnetBootnodes
 	if ctx.IsSet(bootnodesFlag.Name) {
 		input := ctx.String(bootnodesFlag.Name)
 		if input == "" {

cmd/devp2p/discv5cmd.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"time"
 
@@ -98,7 +99,7 @@ func discv5Resolve(ctx *cli.Context) error {
 
 func discv5Crawl(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need nodes file as argument")
+		return errors.New("need nodes file as argument")
 	}
 	nodesFile := ctx.Args().First()
 	var inputSet nodeSet

cmd/devp2p/dns_cloudflare.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -48,7 +49,7 @@ type cloudflareClient struct {
 func newCloudflareClient(ctx *cli.Context) *cloudflareClient {
 	token := ctx.String(cloudflareTokenFlag.Name)
 	if token == "" {
-		exit(fmt.Errorf("need cloudflare API token to proceed"))
+		exit(errors.New("need cloudflare API token to proceed"))
 	}
 	api, err := cloudflare.NewWithAPIToken(token)
 	if err != nil {

cmd/devp2p/dns_route53.go

@@ -81,7 +81,7 @@ func newRoute53Client(ctx *cli.Context) *route53Client {
 	akey := ctx.String(route53AccessKeyFlag.Name)
 	asec := ctx.String(route53AccessSecretFlag.Name)
 	if akey == "" || asec == "" {
-		exit(fmt.Errorf("need Route53 Access Key ID and secret to proceed"))
+		exit(errors.New("need Route53 Access Key ID and secret to proceed"))
 	}
 	creds := aws.NewCredentialsCache(credentials.NewStaticCredentialsProvider(akey, asec, ""))
 	cfg, err := config.LoadDefaultConfig(context.Background(), config.WithCredentialsProvider(creds))

cmd/devp2p/dnscmd.go

@@ -19,6 +19,7 @@ package main
 import (
 	"crypto/ecdsa"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -147,7 +148,7 @@ func dnsSync(ctx *cli.Context) error {
 
 func dnsSign(ctx *cli.Context) error {
 	if ctx.NArg() < 2 {
-		return fmt.Errorf("need tree definition directory and key file as arguments")
+		return errors.New("need tree definition directory and key file as arguments")
 	}
 	var (
 		defdir  = ctx.Args().Get(0)
@@ -201,7 +202,7 @@ func directoryName(dir string) string {
 // dnsToTXT performs dnsTXTCommand.
 func dnsToTXT(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need tree definition directory as argument")
+		return errors.New("need tree definition directory as argument")
 	}
 	output := ctx.Args().Get(1)
 	if output == "" {
@@ -218,7 +219,7 @@ func dnsToTXT(ctx *cli.Context) error {
 // dnsToCloudflare performs dnsCloudflareCommand.
 func dnsToCloudflare(ctx *cli.Context) error {
 	if ctx.NArg() != 1 {
-		return fmt.Errorf("need tree definition directory as argument")
+		return errors.New("need tree definition directory as argument")
 	}
 	domain, t, err := loadTreeDefinitionForExport(ctx.Args().Get(0))
 	if err != nil {
@@ -231,7 +232,7 @@ func dnsToCloudflare(ctx *cli.Context) error {
 // dnsToRoute53 performs dnsRoute53Command.
 func dnsToRoute53(ctx *cli.Context) error {
 	if ctx.NArg() != 1 {
-		return fmt.Errorf("need tree definition directory as argument")
+		return errors.New("need tree definition directory as argument")
 	}
 	domain, t, err := loadTreeDefinitionForExport(ctx.Args().Get(0))
 	if err != nil {
@@ -244,7 +245,7 @@ func dnsToRoute53(ctx *cli.Context) error {
 // dnsNukeRoute53 performs dnsRoute53NukeCommand.
 func dnsNukeRoute53(ctx *cli.Context) error {
 	if ctx.NArg() != 1 {
-		return fmt.Errorf("need domain name as argument")
+		return errors.New("need domain name as argument")
 	}
 	client := newRoute53Client(ctx)
 	return client.deleteDomain(ctx.Args().First())
@@ -363,10 +364,10 @@ func loadTreeDefinitionForExport(dir string) (domain string, t *dnsdisc.Tree, er
 // tree's signature if valid.
 func ensureValidTreeSignature(t *dnsdisc.Tree, pubkey *ecdsa.PublicKey, sig string) error {
 	if sig == "" {
-		return fmt.Errorf("missing signature, run 'devp2p dns sign' first")
+		return errors.New("missing signature, run 'devp2p dns sign' first")
 	}
 	if err := t.SetSignature(pubkey, sig); err != nil {
-		return fmt.Errorf("invalid signature on tree, run 'devp2p dns sign' to update it")
+		return errors.New("invalid signature on tree, run 'devp2p dns sign' to update it")
 	}
 	return nil
 }

cmd/devp2p/enrcmd.go

@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"encoding/base64"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -48,7 +49,7 @@ func enrdump(ctx *cli.Context) error {
 	var source string
 	if file := ctx.String(fileFlag.Name); file != "" {
 		if ctx.NArg() != 0 {
-			return fmt.Errorf("can't dump record from command-line argument in -file mode")
+			return errors.New("can't dump record from command-line argument in -file mode")
 		}
 		var b []byte
 		var err error
@@ -64,7 +65,7 @@ func enrdump(ctx *cli.Context) error {
 	} else if ctx.NArg() == 1 {
 		source = ctx.Args().First()
 	} else {
-		return fmt.Errorf("need record as argument")
+		return errors.New("need record as argument")
 	}
 
 	r, err := parseRecord(source)

cmd/devp2p/internal/ethtest/chain.go

@@ -19,6 +19,7 @@ package ethtest
 import (
 	"compress/gzip"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"math/big"
@@ -98,7 +99,7 @@ func (c *Chain) Head() *types.Block {
 
 func (c *Chain) GetHeaders(req *GetBlockHeaders) ([]*types.Header, error) {
 	if req.Amount < 1 {
-		return nil, fmt.Errorf("no block headers requested")
+		return nil, errors.New("no block headers requested")
 	}
 
 	headers := make([]*types.Header, req.Amount)

cmd/devp2p/internal/ethtest/helpers.go

@@ -17,6 +17,7 @@
 package ethtest
 
 import (
+	"errors"
 	"fmt"
 	"net"
 	"reflect"
@@ -185,7 +186,7 @@ loop:
 	}
 	// make sure eth protocol version is set for negotiation
 	if c.negotiatedProtoVersion == 0 {
-		return nil, fmt.Errorf("eth protocol version must be set in Conn")
+		return nil, errors.New("eth protocol version must be set in Conn")
 	}
 	if status == nil {
 		// default status message

cmd/devp2p/internal/ethtest/testdata/genesis.json

@@ -6,6 +6,7 @@
         "eip155Block": 0,
         "eip158Block": 0,
         "byzantiumBlock": 0,
+        "terminalTotalDifficultyPassed": true,
         "ethash": {}
     },
     "nonce": "0xdeadbeefdeadbeef",

cmd/devp2p/internal/ethtest/transaction.go

@@ -17,6 +17,7 @@
 package ethtest
 
 import (
+	"errors"
 	"fmt"
 	"math/big"
 	"strings"
@@ -39,7 +40,7 @@ func (s *Suite) sendSuccessfulTxs(t *utesting.T) error {
 	}
 	for i, tx := range tests {
 		if tx == nil {
-			return fmt.Errorf("could not find tx to send")
+			return errors.New("could not find tx to send")
 		}
 		t.Logf("Testing tx propagation %d: sending tx %v %v %v\n", i, tx.Hash().String(), tx.GasPrice(), tx.Gas())
 		// get previous tx if exists for reference in case of old tx propagation
@@ -348,7 +349,7 @@ func generateTxs(s *Suite, numTxs int) (map[common.Hash]common.Hash, []*types.Tr
 
 	nextTx := getNextTxFromChain(s)
 	if nextTx == nil {
-		return nil, nil, fmt.Errorf("failed to get the next transaction")
+		return nil, nil, errors.New("failed to get the next transaction")
 	}
 	gas := nextTx.Gas()
 
@@ -357,7 +358,7 @@ func generateTxs(s *Suite, numTxs int) (map[common.Hash]common.Hash, []*types.Tr
 	for i := 0; i < numTxs; i++ {
 		tx := generateTx(s.chain.chainConfig, nonce, gas)
 		if tx == nil {
-			return nil, nil, fmt.Errorf("failed to get the next transaction")
+			return nil, nil, errors.New("failed to get the next transaction")
 		}
 		txHashMap[tx.Hash()] = tx.Hash()
 		txs[i] = tx

cmd/devp2p/internal/ethtest/types.go

@@ -18,6 +18,7 @@ package ethtest
 
 import (
 	"crypto/ecdsa"
+	"errors"
 	"fmt"
 	"time"
 
@@ -286,5 +287,5 @@ func (c *Conn) ReadSnap(id uint64) (Message, error) {
 		}
 		return snpMsg.(Message), nil
 	}
-	return nil, fmt.Errorf("request timed out")
+	return nil, errors.New("request timed out")
 }

cmd/devp2p/internal/v4test/discv4tests.go

@@ -19,6 +19,7 @@ package v4test
 import (
 	"bytes"
 	"crypto/rand"
+	"errors"
 	"fmt"
 	"net"
 	"time"
@@ -119,7 +120,7 @@ func (te *testenv) checkPingPong(pingHash []byte) error {
 // and a PING. The two packets do not have to be in any particular order.
 func (te *testenv) checkPong(reply v4wire.Packet, pingHash []byte) error {
 	if reply == nil {
-		return fmt.Errorf("expected PONG reply, got nil")
+		return errors.New("expected PONG reply, got nil")
 	}
 	if reply.Kind() != v4wire.PongPacket {
 		return fmt.Errorf("expected PONG reply, got %v %v", reply.Name(), reply)

cmd/devp2p/keycmd.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"net"
 
@@ -86,7 +87,7 @@ var (
 
 func genkey(ctx *cli.Context) error {
 	if ctx.NArg() != 1 {
-		return fmt.Errorf("need key file as argument")
+		return errors.New("need key file as argument")
 	}
 	file := ctx.Args().Get(0)
 
@@ -126,7 +127,7 @@ func keyToRecord(ctx *cli.Context) error {
 
 func makeRecord(ctx *cli.Context) (*enode.Node, error) {
 	if ctx.NArg() != 1 {
-		return nil, fmt.Errorf("need key file as argument")
+		return nil, errors.New("need key file as argument")
 	}
 
 	var (

cmd/devp2p/nodesetcmd.go

@@ -59,7 +59,7 @@ var (
 
 func nodesetInfo(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need nodes file as argument")
+		return errors.New("need nodes file as argument")
 	}
 
 	ns := loadNodesJSON(ctx.Args().First())
@@ -98,7 +98,7 @@ func showAttributeCounts(ns nodeSet) {
 
 func nodesetFilter(ctx *cli.Context) error {
 	if ctx.NArg() < 1 {
-		return fmt.Errorf("need nodes file as argument")
+		return errors.New("need nodes file as argument")
 	}
 	// Parse -limit.
 	limit, err := parseFilterLimit(ctx.Args().Tail())
@@ -229,8 +229,6 @@ func ethFilter(args []string) (nodeFilter, error) {
 	switch args[0] {
 	case "mainnet":
 		filter = forkid.NewStaticFilter(params.MainnetChainConfig, params.MainnetGenesisHash)
-	case "rinkeby":
-		filter = forkid.NewStaticFilter(params.RinkebyChainConfig, params.RinkebyGenesisHash)
 	case "goerli":
 		filter = forkid.NewStaticFilter(params.GoerliChainConfig, params.GoerliGenesisHash)
 	case "sepolia":

cmd/devp2p/rlpxcmd.go

@@ -17,6 +17,7 @@
 package main
 
 import (
+	"errors"
 	"fmt"
 	"net"
 
@@ -91,7 +92,7 @@ func rlpxPing(ctx *cli.Context) error {
 	case 1:
 		var msg []p2p.DiscReason
 		if rlp.DecodeBytes(data, &msg); len(msg) == 0 {
-			return fmt.Errorf("invalid disconnect message")
+			return errors.New("invalid disconnect message")
 		}
 		return fmt.Errorf("received disconnect message: %v", msg[0])
 	default:

cmd/evm/README.md

@@ -342,7 +342,7 @@ To make `t8n` apply these, the following inputs are required:
   - For ethash, it is `5000000000000000000` `wei`,
   - If this is not defined, mining rewards are not applied,
   - A value of `0` is valid, and causes accounts to be 'touched'.
-- For each ommer, the tool needs to be given an `addres\` and a `delta`. This
+- For each ommer, the tool needs to be given an `address\` and a `delta`. This
   is done via the `ommers` field in `env`.
 
 Note: the tool does not verify that e.g. the normal uncle rules apply,

cmd/evm/blockrunner.go

@@ -22,6 +22,8 @@ import (
 	"fmt"
 	"os"
 
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/eth/tracers/logger"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/tests"
 	"github.com/urfave/cli/v2"
@@ -42,7 +44,16 @@ func blockTestCmd(ctx *cli.Context) error {
 	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
 	glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
 	log.Root().SetHandler(glogger)
-
+	var tracer vm.EVMLogger
+	// Configure the EVM logger
+	if ctx.Bool(MachineFlag.Name) {
+		tracer = logger.NewJSONLogger(&logger.Config{
+			EnableMemory:     !ctx.Bool(DisableMemoryFlag.Name),
+			DisableStack:     ctx.Bool(DisableStackFlag.Name),
+			DisableStorage:   ctx.Bool(DisableStorageFlag.Name),
+			EnableReturnData: !ctx.Bool(DisableReturnDataFlag.Name),
+		}, os.Stderr)
+	}
 	// Load the test content from the input file
 	src, err := os.ReadFile(ctx.Args().First())
 	if err != nil {
@@ -53,7 +64,7 @@ func blockTestCmd(ctx *cli.Context) error {
 		return err
 	}
 	for i, test := range tests {
-		if err := test.Run(false); err != nil {
+		if err := test.Run(false, tracer); err != nil {
 			return fmt.Errorf("test %v: %w", i, err)
 		}
 	}

cmd/evm/internal/t8ntool/block.go

@@ -28,7 +28,6 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/consensus/clique"
-	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
@@ -74,11 +73,9 @@ type bbInput struct {
 	Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
 	Clique      *cliqueInput        `json:"clique,omitempty"`
 
-	Ethash    bool                 `json:"-"`
-	EthashDir string               `json:"-"`
-	PowMode   ethash.Mode          `json:"-"`
-	Txs       []*types.Transaction `json:"-"`
-	Ommers    []*types.Header      `json:"-"`
+	Ethash bool                 `json:"-"`
+	Txs    []*types.Transaction `json:"-"`
+	Ommers []*types.Header      `json:"-"`
 }
 
 type cliqueInput struct {
@@ -162,8 +159,6 @@ func (i *bbInput) ToBlock() *types.Block {
 // SealBlock seals the given block using the configured engine.
 func (i *bbInput) SealBlock(block *types.Block) (*types.Block, error) {
 	switch {
-	case i.Ethash:
-		return i.sealEthash(block)
 	case i.Clique != nil:
 		return i.sealClique(block)
 	default:
@@ -171,50 +166,23 @@ func (i *bbInput) SealBlock(block *types.Block) (*types.Block, error) {
 	}
 }
 
-// sealEthash seals the given block using ethash.
-func (i *bbInput) sealEthash(block *types.Block) (*types.Block, error) {
-	if i.Header.Nonce != nil {
-		return nil, NewError(ErrorConfig, fmt.Errorf("sealing with ethash will overwrite provided nonce"))
-	}
-	ethashConfig := ethash.Config{
-		PowMode:        i.PowMode,
-		DatasetDir:     i.EthashDir,
-		CacheDir:       i.EthashDir,
-		DatasetsInMem:  1,
-		DatasetsOnDisk: 2,
-		CachesInMem:    2,
-		CachesOnDisk:   3,
-	}
-	engine := ethash.New(ethashConfig, nil, true)
-	defer engine.Close()
-	// Use a buffered chan for results.
-	// If the testmode is used, the sealer will return quickly, and complain
-	// "Sealing result is not read by miner" if it cannot write the result.
-	results := make(chan *types.Block, 1)
-	if err := engine.Seal(nil, block, results, nil); err != nil {
-		panic(fmt.Sprintf("failed to seal block: %v", err))
-	}
-	found := <-results
-	return block.WithSeal(found.Header()), nil
-}
-
 // sealClique seals the given block using clique.
 func (i *bbInput) sealClique(block *types.Block) (*types.Block, error) {
 	// If any clique value overwrites an explicit header value, fail
 	// to avoid silently building a block with unexpected values.
 	if i.Header.Extra != nil {
-		return nil, NewError(ErrorConfig, fmt.Errorf("sealing with clique will overwrite provided extra data"))
+		return nil, NewError(ErrorConfig, errors.New("sealing with clique will overwrite provided extra data"))
 	}
 	header := block.Header()
 	if i.Clique.Voted != nil {
 		if i.Header.Coinbase != nil {
-			return nil, NewError(ErrorConfig, fmt.Errorf("sealing with clique and voting will overwrite provided coinbase"))
+			return nil, NewError(ErrorConfig, errors.New("sealing with clique and voting will overwrite provided coinbase"))
 		}
 		header.Coinbase = *i.Clique.Voted
 	}
 	if i.Clique.Authorize != nil {
 		if i.Header.Nonce != nil {
-			return nil, NewError(ErrorConfig, fmt.Errorf("sealing with clique and voting will overwrite provided nonce"))
+			return nil, NewError(ErrorConfig, errors.New("sealing with clique and voting will overwrite provided nonce"))
 		}
 		if *i.Clique.Authorize {
 			header.Nonce = [8]byte{}
@@ -267,28 +235,8 @@ func readInput(ctx *cli.Context) (*bbInput, error) {
 		withdrawalsStr = ctx.String(InputWithdrawalsFlag.Name)
 		txsStr         = ctx.String(InputTxsRlpFlag.Name)
 		cliqueStr      = ctx.String(SealCliqueFlag.Name)
-		ethashOn       = ctx.Bool(SealEthashFlag.Name)
-		ethashDir      = ctx.String(SealEthashDirFlag.Name)
-		ethashMode     = ctx.String(SealEthashModeFlag.Name)
 		inputData      = &bbInput{}
 	)
-	if ethashOn && cliqueStr != "" {
-		return nil, NewError(ErrorConfig, fmt.Errorf("both ethash and clique sealing specified, only one may be chosen"))
-	}
-	if ethashOn {
-		inputData.Ethash = ethashOn
-		inputData.EthashDir = ethashDir
-		switch ethashMode {
-		case "normal":
-			inputData.PowMode = ethash.ModeNormal
-		case "test":
-			inputData.PowMode = ethash.ModeTest
-		case "fake":
-			inputData.PowMode = ethash.ModeFake
-		default:
-			return nil, NewError(ErrorConfig, fmt.Errorf("unknown pow mode: %s, supported modes: test, fake, normal", ethashMode))
-		}
-	}
 	if headerStr == stdinSelector || ommersStr == stdinSelector || txsStr == stdinSelector || cliqueStr == stdinSelector {
 		decoder := json.NewDecoder(os.Stdin)
 		if err := decoder.Decode(inputData); err != nil {

cmd/evm/internal/t8ntool/execution.go

@@ -293,7 +293,7 @@ func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
 
 func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB {
 	sdb := state.NewDatabaseWithConfig(db, &trie.Config{Preimages: true})
-	statedb, _ := state.New(common.Hash{}, sdb, nil)
+	statedb, _ := state.New(types.EmptyRootHash, sdb, nil)
 	for addr, a := range accounts {
 		statedb.SetCode(addr, a.Code)
 		statedb.SetNonce(addr, a.Nonce)

cmd/evm/internal/t8ntool/flags.go

@@ -125,19 +125,6 @@ var (
 		Name:  "seal.clique",
 		Usage: "Seal block with Clique. `stdin` or file name of where to find the Clique sealing data.",
 	}
-	SealEthashFlag = &cli.BoolFlag{
-		Name:  "seal.ethash",
-		Usage: "Seal block with ethash.",
-	}
-	SealEthashDirFlag = &cli.StringFlag{
-		Name:  "seal.ethash.dir",
-		Usage: "Path to ethash DAG. If none exists, a new DAG will be generated.",
-	}
-	SealEthashModeFlag = &cli.StringFlag{
-		Name:  "seal.ethash.mode",
-		Usage: "Defines the type and amount of PoW verification an ethash engine makes.",
-		Value: "normal",
-	}
 	RewardFlag = &cli.Int64Flag{
 		Name:  "state.reward",
 		Usage: "Mining reward. Set to -1 to disable",

cmd/evm/internal/t8ntool/transaction.go

@@ -140,7 +140,7 @@ func Transaction(ctx *cli.Context) error {
 		}
 		// Check intrinsic gas
 		if gas, err := core.IntrinsicGas(tx.Data(), tx.AccessList(), tx.To() == nil,
-			chainConfig.IsHomestead(new(big.Int)), chainConfig.IsIstanbul(new(big.Int)), chainConfig.IsShanghai(0)); err != nil {
+			chainConfig.IsHomestead(new(big.Int)), chainConfig.IsIstanbul(new(big.Int)), chainConfig.IsShanghai(new(big.Int), 0)); err != nil {
 			r.Error = err
 			results = append(results, r)
 			continue
@@ -172,7 +172,7 @@ func Transaction(ctx *cli.Context) error {
 			r.Error = errors.New("gas * maxFeePerGas exceeds 256 bits")
 		}
 		// Check whether the init code size has been exceeded.
-		if chainConfig.IsShanghai(0) && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
+		if chainConfig.IsShanghai(new(big.Int), 0) && tx.To() == nil && len(tx.Data()) > params.MaxInitCodeSize {
 			r.Error = errors.New("max initcode size exceeded")
 		}
 		results = append(results, r)

cmd/evm/internal/t8ntool/transition.go

@@ -261,7 +261,7 @@ func Transition(ctx *cli.Context) error {
 			return NewError(ErrorConfig, errors.New("EIP-1559 config but missing 'currentBaseFee' in env section"))
 		}
 	}
-	if chainConfig.IsShanghai(prestate.Env.Number) && prestate.Env.Withdrawals == nil {
+	if chainConfig.IsShanghai(big.NewInt(int64(prestate.Env.Number)), prestate.Env.Timestamp) && prestate.Env.Withdrawals == nil {
 		return NewError(ErrorConfig, errors.New("Shanghai config but missing 'withdrawals' in env section"))
 	}
 	isMerged := chainConfig.TerminalTotalDifficulty != nil && chainConfig.TerminalTotalDifficulty.BitLen() == 0
@@ -389,7 +389,10 @@ type Alloc map[common.Address]core.GenesisAccount
 
 func (g Alloc) OnRoot(common.Hash) {}
 
-func (g Alloc) OnAccount(addr common.Address, dumpAccount state.DumpAccount) {
+func (g Alloc) OnAccount(addr *common.Address, dumpAccount state.DumpAccount) {
+	if addr == nil {
+		return
+	}
 	balance, _ := new(big.Int).SetString(dumpAccount.Balance, 10)
 	var storage map[common.Hash]common.Hash
 	if dumpAccount.Storage != nil {
@@ -404,7 +407,7 @@ func (g Alloc) OnAccount(addr common.Address, dumpAccount state.DumpAccount) {
 		Balance: balance,
 		Nonce:   dumpAccount.Nonce,
 	}
-	g[addr] = genesisAccount
+	g[*addr] = genesisAccount
 }
 
 // saveFile marshals the object to the given file

cmd/evm/main.go

@@ -179,9 +179,6 @@ var blockBuilderCommand = &cli.Command{
 		t8ntool.InputWithdrawalsFlag,
 		t8ntool.InputTxsRlpFlag,
 		t8ntool.SealCliqueFlag,
-		t8ntool.SealEthashFlag,
-		t8ntool.SealEthashDirFlag,
-		t8ntool.SealEthashModeFlag,
 		t8ntool.VerbosityFlag,
 	},
 }

cmd/evm/runner.go

@@ -34,6 +34,7 @@ import (
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/core/vm/runtime"
 	"github.com/ethereum/go-ethereum/eth/tracers/logger"
@@ -127,6 +128,7 @@ func runCmd(ctx *cli.Context) error {
 		receiver      = common.BytesToAddress([]byte("receiver"))
 		genesisConfig *core.Genesis
 		preimages     = ctx.Bool(DumpFlag.Name)
+		blobHashes    []common.Hash // TODO (MariusVanDerWijden) implement blob hashes in state tests
 	)
 	if ctx.Bool(MachineFlag.Name) {
 		tracer = logger.NewJSONLogger(logconfig, os.Stdout)
@@ -146,7 +148,7 @@ func runCmd(ctx *cli.Context) error {
 		chainConfig = gen.Config
 	} else {
 		sdb := state.NewDatabaseWithConfig(rawdb.NewMemoryDatabase(), &trie.Config{Preimages: preimages})
-		statedb, _ = state.New(common.Hash{}, sdb, nil)
+		statedb, _ = state.New(types.EmptyRootHash, sdb, nil)
 		genesisConfig = new(core.Genesis)
 	}
 	if ctx.String(SenderFlag.Name) != "" {
@@ -216,6 +218,7 @@ func runCmd(ctx *cli.Context) error {
 		Time:        genesisConfig.Timestamp,
 		Coinbase:    genesisConfig.Coinbase,
 		BlockNumber: new(big.Int).SetUint64(genesisConfig.Number),
+		BlobHashes:  blobHashes,
 		EVMConfig: vm.Config{
 			Tracer: tracer,
 		},

cmd/evm/staterunner.go

@@ -17,8 +17,8 @@
 package main
 
 import (
+	"bufio"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"os"
 
@@ -34,7 +34,7 @@ import (
 var stateTestCommand = &cli.Command{
 	Action:    stateTestCmd,
 	Name:      "statetest",
-	Usage:     "executes the given state tests",
+	Usage:     "Executes the given state tests. Filenames can be fed via standard input (batch mode) or as an argument (one-off execution).",
 	ArgsUsage: "<file>",
 }
 
@@ -50,9 +50,6 @@ type StatetestResult struct {
 }
 
 func stateTestCmd(ctx *cli.Context) error {
-	if len(ctx.Args().First()) == 0 {
-		return errors.New("path-to-test argument required")
-	}
 	// Configure the go-ethereum logger
 	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
 	glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
@@ -65,34 +62,43 @@ func stateTestCmd(ctx *cli.Context) error {
 		DisableStorage:   ctx.Bool(DisableStorageFlag.Name),
 		EnableReturnData: !ctx.Bool(DisableReturnDataFlag.Name),
 	}
-	var (
-		tracer   vm.EVMLogger
-		debugger *logger.StructLogger
-	)
+	var cfg vm.Config
 	switch {
 	case ctx.Bool(MachineFlag.Name):
-		tracer = logger.NewJSONLogger(config, os.Stderr)
+		cfg.Tracer = logger.NewJSONLogger(config, os.Stderr)
 
 	case ctx.Bool(DebugFlag.Name):
-		debugger = logger.NewStructLogger(config)
-		tracer = debugger
-
-	default:
-		debugger = logger.NewStructLogger(config)
+		cfg.Tracer = logger.NewStructLogger(config)
 	}
 	// Load the test content from the input file
-	src, err := os.ReadFile(ctx.Args().First())
+	if len(ctx.Args().First()) != 0 {
+		return runStateTest(ctx.Args().First(), cfg, ctx.Bool(MachineFlag.Name), ctx.Bool(DumpFlag.Name))
+	}
+	// Read filenames from stdin and execute back-to-back
+	scanner := bufio.NewScanner(os.Stdin)
+	for scanner.Scan() {
+		fname := scanner.Text()
+		if len(fname) == 0 {
+			return nil
+		}
+		if err := runStateTest(fname, cfg, ctx.Bool(MachineFlag.Name), ctx.Bool(DumpFlag.Name)); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// runStateTest loads the state-test given by fname, and executes the test.
+func runStateTest(fname string, cfg vm.Config, jsonOut, dump bool) error {
+	src, err := os.ReadFile(fname)
 	if err != nil {
 		return err
 	}
 	var tests map[string]tests.StateTest
-	if err = json.Unmarshal(src, &tests); err != nil {
+	if err := json.Unmarshal(src, &tests); err != nil {
 		return err
 	}
 	// Iterate over all the tests, run them and aggregate the results
-	cfg := vm.Config{
-		Tracer: tracer,
-	}
 	results := make([]StatetestResult, 0, len(tests))
 	for key, test := range tests {
 		for _, st := range test.Subtests() {
@@ -103,28 +109,20 @@ func stateTestCmd(ctx *cli.Context) error {
 			if s != nil {
 				root := s.IntermediateRoot(false)
 				result.Root = &root
-				if ctx.Bool(MachineFlag.Name) {
+				if jsonOut {
 					fmt.Fprintf(os.Stderr, "{\"stateRoot\": \"%#x\"}\n", root)
 				}
 			}
 			if err != nil {
 				// Test failed, mark as so and dump any state to aid debugging
 				result.Pass, result.Error = false, err.Error()
-				if ctx.Bool(DumpFlag.Name) && s != nil {
+				if dump && s != nil {
 					dump := s.RawDump(nil)
 					result.State = &dump
 				}
 			}
 
 			results = append(results, *result)
-
-			// Print any structured logs collected
-			if ctx.Bool(DebugFlag.Name) {
-				if debugger != nil {
-					fmt.Fprintln(os.Stderr, "#### TRACE ####")
-					logger.WriteTrace(os.Stderr, debugger.StructLogs())
-				}
-			}
 		}
 	}
 	out, _ := json.MarshalIndent(results, "", "  ")

cmd/evm/transition-test.sh

@@ -280,7 +280,7 @@ To make `t8n` apply these, the following inputs are required:
   - For ethash, it is `5000000000000000000` `wei`,
   - If this is not defined, mining rewards are not applied,
   - A value of `0` is valid, and causes accounts to be 'touched'.
-- For each ommer, the tool needs to be given an `addres\` and a `delta`. This
+- For each ommer, the tool needs to be given an `address\` and a `delta`. This
   is done via the `ommers` field in `env`.
 
 Note: the tool does not verify that e.g. the normal uncle rules apply,

cmd/faucet/README.md

@@ -12,7 +12,6 @@ First things first, the `faucet` needs to connect to an Ethereum network, for wh
 
 - `-genesis` is a path to a file containing the network `genesis.json`. or using:
   - `-goerli` with the faucet with Görli network config
-  - `-rinkeby` with the faucet with Rinkeby network config
   - `-sepolia` with the faucet with Sepolia network config
 - `-network` is the devp2p network id used during connection
 - `-bootnodes` is a list of `enode://` ids to join the network through

cmd/faucet/faucet.go

@@ -86,7 +86,6 @@ var (
 	twitterTokenV1Flag = flag.String("twitter.token.v1", "", "Bearer token to authenticate with the v1.1 Twitter API")
 
 	goerliFlag  = flag.Bool("goerli", false, "Initializes the faucet with Görli network config")
-	rinkebyFlag = flag.Bool("rinkeby", false, "Initializes the faucet with Rinkeby network config")
 	sepoliaFlag = flag.Bool("sepolia", false, "Initializes the faucet with Sepolia network config")
 )
 
@@ -140,7 +139,7 @@ func main() {
 		log.Crit("Failed to render the faucet template", "err", err)
 	}
 	// Load and parse the genesis block requested by the user
-	genesis, err := getGenesis(*genesisFlag, *goerliFlag, *rinkebyFlag, *sepoliaFlag)
+	genesis, err := getGenesis(*genesisFlag, *goerliFlag, *sepoliaFlag)
 	if err != nil {
 		log.Crit("Failed to parse genesis config", "err", err)
 	}
@@ -269,11 +268,7 @@ func newFaucet(genesis *core.Genesis, port int, enodes []*enode.Node, network ui
 		}
 	}
 	// Attach to the client and retrieve and interesting metadatas
-	api, err := stack.Attach()
-	if err != nil {
-		stack.Close()
-		return nil, err
-	}
+	api := stack.Attach()
 	client := ethclient.NewClient(api)
 
 	return &faucet{
@@ -880,7 +875,7 @@ func authNoAuth(url string) (string, string, common.Address, error) {
 }
 
 // getGenesis returns a genesis based on input args
-func getGenesis(genesisFlag string, goerliFlag bool, rinkebyFlag bool, sepoliaFlag bool) (*core.Genesis, error) {
+func getGenesis(genesisFlag string, goerliFlag bool, sepoliaFlag bool) (*core.Genesis, error) {
 	switch {
 	case genesisFlag != "":
 		var genesis core.Genesis
@@ -888,11 +883,9 @@ func getGenesis(genesisFlag string, goerliFlag bool, rinkebyFlag bool, sepoliaFl
 		return &genesis, err
 	case goerliFlag:
 		return core.DefaultGoerliGenesisBlock(), nil
-	case rinkebyFlag:
-		return core.DefaultRinkebyGenesisBlock(), nil
 	case sepoliaFlag:
 		return core.DefaultSepoliaGenesisBlock(), nil
 	default:
-		return nil, fmt.Errorf("no genesis flag provided")
+		return nil, errors.New("no genesis flag provided")
 	}
 }

cmd/geth/chaincmd.go

@@ -478,7 +478,7 @@ func dump(ctx *cli.Context) error {
 		if conf.OnlyWithAddresses {
 			fmt.Fprintf(os.Stderr, "If you want to include accounts with missing preimages, you need iterative output, since"+
 				" otherwise the accounts will overwrite each other in the resulting mapping.")
-			return fmt.Errorf("incompatible options")
+			return errors.New("incompatible options")
 		}
 		fmt.Println(string(state.Dump(conf)))
 	}

cmd/geth/config.go

@@ -288,8 +288,8 @@ func setAccountManagerBackends(conf *node.Config, am *accounts.Manager, keydir s
 	// Assemble the supported backends
 	if len(conf.ExternalSigner) > 0 {
 		log.Info("Using external signer", "url", conf.ExternalSigner)
-		if extapi, err := external.NewExternalBackend(conf.ExternalSigner); err == nil {
-			am.AddBackend(extapi)
+		if extBackend, err := external.NewExternalBackend(conf.ExternalSigner); err == nil {
+			am.AddBackend(extBackend)
 			return nil
 		} else {
 			return fmt.Errorf("error connecting to external signer: %v", err)

cmd/geth/consolecmd.go

@@ -75,10 +75,7 @@ func localConsole(ctx *cli.Context) error {
 	defer stack.Close()
 
 	// Attach to the newly started node and create the JavaScript console.
-	client, err := stack.Attach()
-	if err != nil {
-		return fmt.Errorf("failed to attach to the inproc geth: %v", err)
-	}
+	client := stack.Attach()
 	config := console.Config{
 		DataDir: utils.MakeDataDir(ctx),
 		DocRoot: ctx.String(utils.JSpathFlag.Name),

cmd/geth/consolecmd_test.go

@@ -116,7 +116,7 @@ func TestAttachWelcome(t *testing.T) {
 		waitForEndpoint(t, endpoint, 3*time.Second)
 		testAttachWelcome(t, geth, endpoint, httpAPIs)
 	})
-	geth.ExpectExit()
+	geth.Kill()
 }
 
 func testAttachWelcome(t *testing.T, geth *testgeth, endpoint, apis string) {

cmd/geth/genesis_test.go

@@ -41,7 +41,9 @@ var customGenesisTests = []struct {
 			"mixhash"    : "0x0000000000000000000000000000000000000000000000000000000000000000",
 			"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
 			"timestamp"  : "0x00",
-			"config"     : {}
+			"config"     : {
+				"terminalTotalDifficultyPassed": true
+			}
 		}`,
 		query:  "eth.getBlock(0).nonce",
 		result: "0x0000000000001338",
@@ -59,9 +61,10 @@ var customGenesisTests = []struct {
 			"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
 			"timestamp"  : "0x00",
 			"config"     : {
-				"homesteadBlock" : 42,
-				"daoForkBlock"   : 141,
-				"daoForkSupport" : true
+				"homesteadBlock"                : 42,
+				"daoForkBlock"                  : 141,
+				"daoForkSupport"                : true,
+				"terminalTotalDifficultyPassed" : true
 			}
 		}`,
 		query:  "eth.getBlock(0).nonce",
@@ -111,8 +114,10 @@ func TestCustomBackend(t *testing.T) {
 			"mixhash"    : "0x0000000000000000000000000000000000000000000000000000000000000000",
 			"parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
 			"timestamp"  : "0x00",
-			"config"     : {}
-	}`
+			"config"     : {
+				"terminalTotalDifficultyPassed": true
+			}
+		}`
 	type backendTest struct {
 		initArgs   []string
 		initExpect string

cmd/geth/main.go

@@ -66,14 +66,6 @@ var (
 		utils.SmartCardDaemonPathFlag,
 		utils.OverrideCancun,
 		utils.EnablePersonal,
-		utils.EthashCacheDirFlag,
-		utils.EthashCachesInMemoryFlag,
-		utils.EthashCachesOnDiskFlag,
-		utils.EthashCachesLockMmapFlag,
-		utils.EthashDatasetDirFlag,
-		utils.EthashDatasetsInMemoryFlag,
-		utils.EthashDatasetsOnDiskFlag,
-		utils.EthashDatasetsLockMmapFlag,
 		utils.TxPoolLocalsFlag,
 		utils.TxPoolNoLocalsFlag,
 		utils.TxPoolJournalFlag,
@@ -115,19 +107,17 @@ var (
 		utils.CachePreimagesFlag,
 		utils.CacheLogSizeFlag,
 		utils.FDLimitFlag,
+		utils.CryptoKZGFlag,
 		utils.ListenPortFlag,
 		utils.DiscoveryPortFlag,
 		utils.MaxPeersFlag,
 		utils.MaxPendingPeersFlag,
 		utils.MiningEnabledFlag,
-		utils.MinerThreadsFlag,
-		utils.MinerNotifyFlag,
 		utils.MinerGasLimitFlag,
 		utils.MinerGasPriceFlag,
 		utils.MinerEtherbaseFlag,
 		utils.MinerExtraDataFlag,
 		utils.MinerRecommitIntervalFlag,
-		utils.MinerNoVerifyFlag,
 		utils.MinerNewPayloadTimeout,
 		utils.NATFlag,
 		utils.NoDiscoverFlag,
@@ -142,13 +132,11 @@ var (
 		utils.VMEnableDebugFlag,
 		utils.NetworkIdFlag,
 		utils.EthStatsURLFlag,
-		utils.FakePoWFlag,
 		utils.NoCompactionFlag,
 		utils.GpoBlocksFlag,
 		utils.GpoPercentileFlag,
 		utils.GpoMaxGasPriceFlag,
 		utils.GpoIgnoreGasPriceFlag,
-		utils.MinerNotifyFullFlag,
 		configFileFlag,
 	}, utils.NetworkFlags, utils.DatabasePathFlags)
 
@@ -180,6 +168,8 @@ var (
 		utils.RPCGlobalEVMTimeoutFlag,
 		utils.RPCGlobalTxFeeCapFlag,
 		utils.AllowUnprotectedTxs,
+		utils.BatchRequestLimit,
+		utils.BatchResponseMaxSize,
 	}
 
 	metricsFlags = []cli.Flag{
@@ -224,8 +214,6 @@ func init() {
 		attachCommand,
 		javascriptCommand,
 		// See misccmd.go:
-		makecacheCommand,
-		makedagCommand,
 		versionCommand,
 		versionCheckCommand,
 		licenseCommand,
@@ -273,9 +261,6 @@ func main() {
 func prepare(ctx *cli.Context) {
 	// If we're running a known preset, log it for convenience.
 	switch {
-	case ctx.IsSet(utils.RinkebyFlag.Name):
-		log.Info("Starting Geth on Rinkeby testnet...")
-
 	case ctx.IsSet(utils.GoerliFlag.Name):
 		log.Info("Starting Geth on Görli testnet...")
 
@@ -307,7 +292,6 @@ func prepare(ctx *cli.Context) {
 	if ctx.String(utils.SyncModeFlag.Name) != "light" && !ctx.IsSet(utils.CacheFlag.Name) && !ctx.IsSet(utils.NetworkIdFlag.Name) {
 		// Make sure we're not on any supported preconfigured testnet either
 		if !ctx.IsSet(utils.SepoliaFlag.Name) &&
-			!ctx.IsSet(utils.RinkebyFlag.Name) &&
 			!ctx.IsSet(utils.GoerliFlag.Name) &&
 			!ctx.IsSet(utils.DeveloperFlag.Name) {
 			// Nope, we're really on mainnet. Bump that cache up!
@@ -362,10 +346,7 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 	stack.AccountManager().Subscribe(events)
 
 	// Create a client to interact with local geth node.
-	rpcClient, err := stack.Attach()
-	if err != nil {
-		utils.Fatalf("Failed to attach to self: %v", err)
-	}
+	rpcClient := stack.Attach()
 	ethClient := ethclient.NewClient(rpcClient)
 
 	go func() {
@@ -437,10 +418,8 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 		}
 		// Set the gas price to the limits from the CLI and start mining
 		gasprice := flags.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
-		ethBackend.TxPool().SetGasPrice(gasprice)
-		// start mining
-		threads := ctx.Int(utils.MinerThreadsFlag.Name)
-		if err := ethBackend.StartMining(threads); err != nil {
+		ethBackend.TxPool().SetGasTip(gasprice)
+		if err := ethBackend.StartMining(); err != nil {
 			utils.Fatalf("Failed to start mining: %v", err)
 		}
 	}

cmd/geth/misccmd.go

@@ -20,11 +20,8 @@ import (
 	"fmt"
 	"os"
 	"runtime"
-	"strconv"
 	"strings"
 
-	"github.com/ethereum/go-ethereum/cmd/utils"
-	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/internal/version"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/urfave/cli/v2"
@@ -41,30 +38,6 @@ var (
 		Usage: "Version to check",
 		Value: version.ClientName(clientIdentifier),
 	}
-	makecacheCommand = &cli.Command{
-		Action:    makecache,
-		Name:      "makecache",
-		Usage:     "Generate ethash verification cache (for testing)",
-		ArgsUsage: "<blockNum> <outputDir>",
-		Description: `
-The makecache command generates an ethash cache in <outputDir>.
-
-This command exists to support the system testing project.
-Regular users do not need to execute it.
-`,
-	}
-	makedagCommand = &cli.Command{
-		Action:    makedag,
-		Name:      "makedag",
-		Usage:     "Generate ethash mining DAG (for testing)",
-		ArgsUsage: "<blockNum> <outputDir>",
-		Description: `
-The makedag command generates an ethash DAG in <outputDir>.
-
-This command exists to support the system testing project.
-Regular users do not need to execute it.
-`,
-	}
 	versionCommand = &cli.Command{
 		Action:    printVersion,
 		Name:      "version",
@@ -96,36 +69,6 @@ and displays information about any security vulnerabilities that affect the curr
 	}
 )
 
-// makecache generates an ethash verification cache into the provided folder.
-func makecache(ctx *cli.Context) error {
-	args := ctx.Args().Slice()
-	if len(args) != 2 {
-		utils.Fatalf(`Usage: geth makecache <block number> <outputdir>`)
-	}
-	block, err := strconv.ParseUint(args[0], 0, 64)
-	if err != nil {
-		utils.Fatalf("Invalid block number: %v", err)
-	}
-	ethash.MakeCache(block, args[1])
-
-	return nil
-}
-
-// makedag generates an ethash mining DAG into the provided folder.
-func makedag(ctx *cli.Context) error {
-	args := ctx.Args().Slice()
-	if len(args) != 2 {
-		utils.Fatalf(`Usage: geth makedag <block number> <outputdir>`)
-	}
-	block, err := strconv.ParseUint(args[0], 0, 64)
-	if err != nil {
-		utils.Fatalf("Invalid block number: %v", err)
-	}
-	ethash.MakeDataset(block, args[1])
-
-	return nil
-}
-
 func printVersion(ctx *cli.Context) error {
 	git, _ := version.VCS()
 

cmd/geth/snapshot.go

@@ -517,14 +517,14 @@ func dumpState(ctx *cli.Context) error {
 		Root common.Hash `json:"root"`
 	}{root})
 	for accIt.Next() {
-		account, err := snapshot.FullAccount(accIt.Account())
+		account, err := types.FullAccount(accIt.Account())
 		if err != nil {
 			return err
 		}
 		da := &state.DumpAccount{
 			Balance:   account.Balance.String(),
 			Nonce:     account.Nonce,
-			Root:      account.Root,
+			Root:      account.Root.Bytes(),
 			CodeHash:  account.CodeHash,
 			SecureKey: accIt.Hash().Bytes(),
 		}

cmd/geth/verkle.go

@@ -100,7 +100,7 @@ func checkChildren(root verkle.VerkleNode, resolver verkle.NodeResolverFn) error
 				return nil
 			}
 		}
-		return fmt.Errorf("Both balance and nonce are 0")
+		return errors.New("Both balance and nonce are 0")
 	case verkle.Empty:
 		// nothing to do
 	default:

cmd/utils/cmd.go

@@ -118,6 +118,9 @@ func StartNode(ctx *cli.Context, stack *node.Node, isConsole bool) {
 }
 
 func monitorFreeDiskSpace(sigc chan os.Signal, path string, freeDiskSpaceCritical uint64) {
+	if path == "" {
+		return
+	}
 	for {
 		freeSpace, err := getFreeDiskSpace(path)
 		if err != nil {
@@ -181,7 +184,7 @@ func ImportChain(chain *core.BlockChain, fn string) error {
 	for batch := 0; ; batch++ {
 		// Load a batch of RLP blocks.
 		if checkInterrupt() {
-			return fmt.Errorf("interrupted")
+			return errors.New("interrupted")
 		}
 		i := 0
 		for ; i < importBatchSize; i++ {
@@ -204,15 +207,21 @@ func ImportChain(chain *core.BlockChain, fn string) error {
 		}
 		// Import the batch.
 		if checkInterrupt() {
-			return fmt.Errorf("interrupted")
+			return errors.New("interrupted")
 		}
 		missing := missingBlocks(chain, blocks[:i])
 		if len(missing) == 0 {
 			log.Info("Skipping batch as all blocks present", "batch", batch, "first", blocks[0].Hash(), "last", blocks[i-1].Hash())
 			continue
 		}
-		if _, err := chain.InsertChain(missing); err != nil {
-			return fmt.Errorf("invalid block %d: %v", n, err)
+		if failindex, err := chain.InsertChain(missing); err != nil {
+			var failnumber uint64
+			if failindex > 0 && failindex < len(missing) {
+				failnumber = missing[failindex].NumberU64()
+			} else {
+				failnumber = missing[0].NumberU64()
+			}
+			return fmt.Errorf("invalid block %d: %v", failnumber, err)
 		}
 	}
 	return nil

cmd/utils/flags.go

@@ -39,13 +39,13 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/fdlimit"
 	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/core/txpool"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/crypto/kzg4844"
 	"github.com/ethereum/go-ethereum/eth"
 	ethcatalyst "github.com/ethereum/go-ethereum/eth/catalyst"
 	"github.com/ethereum/go-ethereum/eth/downloader"
@@ -133,7 +133,7 @@ var (
 	}
 	NetworkIdFlag = &cli.Uint64Flag{
 		Name:     "networkid",
-		Usage:    "Explicitly set network id (integer)(For testnets: use --rinkeby, --goerli, --sepolia instead)",
+		Usage:    "Explicitly set network id (integer)(For testnets: use --goerli, --sepolia instead)",
 		Value:    ethconfig.Defaults.NetworkId,
 		Category: flags.EthCategory,
 	}
@@ -142,11 +142,6 @@ var (
 		Usage:    "Ethereum mainnet",
 		Category: flags.EthCategory,
 	}
-	RinkebyFlag = &cli.BoolFlag{
-		Name:     "rinkeby",
-		Usage:    "Rinkeby network: pre-configured proof-of-authority test network",
-		Category: flags.EthCategory,
-	}
 	GoerliFlag = &cli.BoolFlag{
 		Name:     "goerli",
 		Usage:    "Görli network: pre-configured proof-of-authority test network",
@@ -325,54 +320,6 @@ var (
 		Usage:    "Enables serving light clients before syncing",
 		Category: flags.LightCategory,
 	}
-
-	// Ethash settings
-	EthashCacheDirFlag = &flags.DirectoryFlag{
-		Name:     "ethash.cachedir",
-		Usage:    "Directory to store the ethash verification caches (default = inside the datadir)",
-		Category: flags.EthashCategory,
-	}
-	EthashCachesInMemoryFlag = &cli.IntFlag{
-		Name:     "ethash.cachesinmem",
-		Usage:    "Number of recent ethash caches to keep in memory (16MB each)",
-		Value:    ethconfig.Defaults.Ethash.CachesInMem,
-		Category: flags.EthashCategory,
-	}
-	EthashCachesOnDiskFlag = &cli.IntFlag{
-		Name:     "ethash.cachesondisk",
-		Usage:    "Number of recent ethash caches to keep on disk (16MB each)",
-		Value:    ethconfig.Defaults.Ethash.CachesOnDisk,
-		Category: flags.EthashCategory,
-	}
-	EthashCachesLockMmapFlag = &cli.BoolFlag{
-		Name:     "ethash.cacheslockmmap",
-		Usage:    "Lock memory maps of recent ethash caches",
-		Category: flags.EthashCategory,
-	}
-	EthashDatasetDirFlag = &flags.DirectoryFlag{
-		Name:     "ethash.dagdir",
-		Usage:    "Directory to store the ethash mining DAGs",
-		Value:    flags.DirectoryString(ethconfig.Defaults.Ethash.DatasetDir),
-		Category: flags.EthashCategory,
-	}
-	EthashDatasetsInMemoryFlag = &cli.IntFlag{
-		Name:     "ethash.dagsinmem",
-		Usage:    "Number of recent ethash mining DAGs to keep in memory (1+GB each)",
-		Value:    ethconfig.Defaults.Ethash.DatasetsInMem,
-		Category: flags.EthashCategory,
-	}
-	EthashDatasetsOnDiskFlag = &cli.IntFlag{
-		Name:     "ethash.dagsondisk",
-		Usage:    "Number of recent ethash mining DAGs to keep on disk (1+GB each)",
-		Value:    ethconfig.Defaults.Ethash.DatasetsOnDisk,
-		Category: flags.EthashCategory,
-	}
-	EthashDatasetsLockMmapFlag = &cli.BoolFlag{
-		Name:     "ethash.dagslockmmap",
-		Usage:    "Lock memory maps for recent ethash mining DAGs",
-		Category: flags.EthashCategory,
-	}
-
 	// Transaction pool settings
 	TxPoolLocalsFlag = &cli.StringFlag{
 		Name:     "txpool.locals",
@@ -503,6 +450,12 @@ var (
 		Usage:    "Raise the open file descriptor resource limit (default = system fd limit)",
 		Category: flags.PerfCategory,
 	}
+	CryptoKZGFlag = &cli.StringFlag{
+		Name:     "crypto.kzg",
+		Usage:    "KZG library implementation to use; gokzg (recommended) or ckzg",
+		Value:    "gokzg",
+		Category: flags.PerfCategory,
+	}
 
 	// Miner settings
 	MiningEnabledFlag = &cli.BoolFlag{
@@ -510,22 +463,6 @@ var (
 		Usage:    "Enable mining",
 		Category: flags.MinerCategory,
 	}
-	MinerThreadsFlag = &cli.IntFlag{
-		Name:     "miner.threads",
-		Usage:    "Number of CPU threads to use for mining",
-		Value:    0,
-		Category: flags.MinerCategory,
-	}
-	MinerNotifyFlag = &cli.StringFlag{
-		Name:     "miner.notify",
-		Usage:    "Comma separated HTTP URL list to notify of new work packages",
-		Category: flags.MinerCategory,
-	}
-	MinerNotifyFullFlag = &cli.BoolFlag{
-		Name:     "miner.notify.full",
-		Usage:    "Notify with pending block headers instead of work packages",
-		Category: flags.MinerCategory,
-	}
 	MinerGasLimitFlag = &cli.Uint64Flag{
 		Name:     "miner.gaslimit",
 		Usage:    "Target gas ceiling for mined blocks",
@@ -554,11 +491,6 @@ var (
 		Value:    ethconfig.Defaults.Miner.Recommit,
 		Category: flags.MinerCategory,
 	}
-	MinerNoVerifyFlag = &cli.BoolFlag{
-		Name:     "miner.noverify",
-		Usage:    "Disable remote sealing verification",
-		Category: flags.MinerCategory,
-	}
 	MinerNewPayloadTimeout = &cli.DurationFlag{
 		Name:     "miner.newpayload-timeout",
 		Usage:    "Specify the maximum time allowance for creating a new payload",
@@ -648,11 +580,6 @@ var (
 		Usage:    "Reporting URL of a ethstats service (nodename:secret@host:port)",
 		Category: flags.MetricsCategory,
 	}
-	FakePoWFlag = &cli.BoolFlag{
-		Name:     "fakepow",
-		Usage:    "Disables proof-of-work verification",
-		Category: flags.LoggingCategory,
-	}
 	NoCompactionFlag = &cli.BoolFlag{
 		Name:     "nocompaction",
 		Usage:    "Disables db compaction after import",
@@ -786,6 +713,18 @@ var (
 		Usage:    "Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC",
 		Category: flags.APICategory,
 	}
+	BatchRequestLimit = &cli.IntFlag{
+		Name:     "rpc.batch-request-limit",
+		Usage:    "Maximum number of requests in a batch",
+		Value:    node.DefaultConfig.BatchRequestLimit,
+		Category: flags.APICategory,
+	}
+	BatchResponseMaxSize = &cli.IntFlag{
+		Name:     "rpc.batch-response-max-size",
+		Usage:    "Maximum number of bytes returned from a batched call",
+		Value:    node.DefaultConfig.BatchResponseMaxSize,
+		Category: flags.APICategory,
+	}
 	EnablePersonal = &cli.BoolFlag{
 		Name:     "rpc.enabledeprecatedpersonal",
 		Usage:    "Enables the (deprecated) personal namespace",
@@ -999,7 +938,6 @@ Please note that --` + MetricsHTTPFlag.Name + ` must be set to start the server.
 var (
 	// TestnetFlags is the flag group of all built-in supported testnets.
 	TestnetFlags = []cli.Flag{
-		RinkebyFlag,
 		GoerliFlag,
 		SepoliaFlag,
 	}
@@ -1026,9 +964,6 @@ func init() {
 // then a subdirectory of the specified datadir will be used.
 func MakeDataDir(ctx *cli.Context) string {
 	if path := ctx.String(DataDirFlag.Name); path != "" {
-		if ctx.Bool(RinkebyFlag.Name) {
-			return filepath.Join(path, "rinkeby")
-		}
 		if ctx.Bool(GoerliFlag.Name) {
 			return filepath.Join(path, "goerli")
 		}
@@ -1083,8 +1018,6 @@ func setBootstrapNodes(ctx *cli.Context, cfg *p2p.Config) {
 		urls = SplitAndTrim(ctx.String(BootnodesFlag.Name))
 	case ctx.Bool(SepoliaFlag.Name):
 		urls = params.SepoliaBootnodes
-	case ctx.Bool(RinkebyFlag.Name):
-		urls = params.RinkebyBootnodes
 	case ctx.Bool(GoerliFlag.Name):
 		urls = params.GoerliBootnodes
 	}
@@ -1209,6 +1142,14 @@ func setHTTP(ctx *cli.Context, cfg *node.Config) {
 	if ctx.IsSet(AllowUnprotectedTxs.Name) {
 		cfg.AllowUnprotectedTxs = ctx.Bool(AllowUnprotectedTxs.Name)
 	}
+
+	if ctx.IsSet(BatchRequestLimit.Name) {
+		cfg.BatchRequestLimit = ctx.Int(BatchRequestLimit.Name)
+	}
+
+	if ctx.IsSet(BatchResponseMaxSize.Name) {
+		cfg.BatchResponseMaxSize = ctx.Int(BatchResponseMaxSize.Name)
+	}
 }
 
 // setGraphQL creates the GraphQL listener interface string from the set
@@ -1532,8 +1473,6 @@ func SetDataDir(ctx *cli.Context, cfg *node.Config) {
 		cfg.DataDir = ctx.String(DataDirFlag.Name)
 	case ctx.Bool(DeveloperFlag.Name):
 		cfg.DataDir = "" // unless explicitly requested, use memory databases
-	case ctx.Bool(RinkebyFlag.Name) && cfg.DataDir == node.DefaultDataDir():
-		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "rinkeby")
 	case ctx.Bool(GoerliFlag.Name) && cfg.DataDir == node.DefaultDataDir():
 		cfg.DataDir = filepath.Join(node.DefaultDataDir(), "goerli")
 	case ctx.Bool(SepoliaFlag.Name) && cfg.DataDir == node.DefaultDataDir():
@@ -1604,38 +1543,7 @@ func setTxPool(ctx *cli.Context, cfg *txpool.Config) {
 	}
 }
 
-func setEthash(ctx *cli.Context, cfg *ethconfig.Config) {
-	if ctx.IsSet(EthashCacheDirFlag.Name) {
-		cfg.Ethash.CacheDir = ctx.String(EthashCacheDirFlag.Name)
-	}
-	if ctx.IsSet(EthashDatasetDirFlag.Name) {
-		cfg.Ethash.DatasetDir = ctx.String(EthashDatasetDirFlag.Name)
-	}
-	if ctx.IsSet(EthashCachesInMemoryFlag.Name) {
-		cfg.Ethash.CachesInMem = ctx.Int(EthashCachesInMemoryFlag.Name)
-	}
-	if ctx.IsSet(EthashCachesOnDiskFlag.Name) {
-		cfg.Ethash.CachesOnDisk = ctx.Int(EthashCachesOnDiskFlag.Name)
-	}
-	if ctx.IsSet(EthashCachesLockMmapFlag.Name) {
-		cfg.Ethash.CachesLockMmap = ctx.Bool(EthashCachesLockMmapFlag.Name)
-	}
-	if ctx.IsSet(EthashDatasetsInMemoryFlag.Name) {
-		cfg.Ethash.DatasetsInMem = ctx.Int(EthashDatasetsInMemoryFlag.Name)
-	}
-	if ctx.IsSet(EthashDatasetsOnDiskFlag.Name) {
-		cfg.Ethash.DatasetsOnDisk = ctx.Int(EthashDatasetsOnDiskFlag.Name)
-	}
-	if ctx.IsSet(EthashDatasetsLockMmapFlag.Name) {
-		cfg.Ethash.DatasetsLockMmap = ctx.Bool(EthashDatasetsLockMmapFlag.Name)
-	}
-}
-
 func setMiner(ctx *cli.Context, cfg *miner.Config) {
-	if ctx.IsSet(MinerNotifyFlag.Name) {
-		cfg.Notify = strings.Split(ctx.String(MinerNotifyFlag.Name), ",")
-	}
-	cfg.NotifyFull = ctx.Bool(MinerNotifyFullFlag.Name)
 	if ctx.IsSet(MinerExtraDataFlag.Name) {
 		cfg.ExtraData = []byte(ctx.String(MinerExtraDataFlag.Name))
 	}
@@ -1648,9 +1556,6 @@ func setMiner(ctx *cli.Context, cfg *miner.Config) {
 	if ctx.IsSet(MinerRecommitIntervalFlag.Name) {
 		cfg.Recommit = ctx.Duration(MinerRecommitIntervalFlag.Name)
 	}
-	if ctx.IsSet(MinerNoVerifyFlag.Name) {
-		cfg.Noverify = ctx.Bool(MinerNoVerifyFlag.Name)
-	}
 	if ctx.IsSet(MinerNewPayloadTimeout.Name) {
 		cfg.NewPayloadTimeout = ctx.Duration(MinerNewPayloadTimeout.Name)
 	}
@@ -1728,7 +1633,7 @@ func CheckExclusive(ctx *cli.Context, args ...interface{}) {
 // SetEthConfig applies eth-related command line flags to the config.
 func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	// Avoid conflicting network flags
-	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, RinkebyFlag, GoerliFlag, SepoliaFlag)
+	CheckExclusive(ctx, MainnetFlag, DeveloperFlag, GoerliFlag, SepoliaFlag)
 	CheckExclusive(ctx, LightServeFlag, SyncModeFlag, "light")
 	CheckExclusive(ctx, DeveloperFlag, ExternalSignerFlag) // Can't use both ephemeral unlocked and external signer
 	if ctx.String(GCModeFlag.Name) == "archive" && ctx.Uint64(TxLookupLimitFlag.Name) != 0 {
@@ -1741,7 +1646,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	setEtherbase(ctx, cfg)
 	setGPO(ctx, &cfg.GPO, ctx.String(SyncModeFlag.Name) == "light")
 	setTxPool(ctx, &cfg.TxPool)
-	setEthash(ctx, cfg)
 	setMiner(ctx, &cfg.Miner)
 	setRequiredBlocks(ctx, cfg)
 	setLes(ctx, cfg)
@@ -1857,7 +1761,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			cfg.EthDiscoveryURLs = SplitAndTrim(urls)
 		}
 	}
-
 	// Override any default configs for hard coded networks.
 	switch {
 	case ctx.Bool(MainnetFlag.Name):
@@ -1872,22 +1775,6 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		}
 		cfg.Genesis = core.DefaultSepoliaGenesisBlock()
 		SetDNSDiscoveryDefaults(cfg, params.SepoliaGenesisHash)
-	case ctx.Bool(RinkebyFlag.Name):
-		log.Warn("")
-		log.Warn("--------------------------------------------------------------------------------")
-		log.Warn("Please note, Rinkeby has been deprecated. It will still work for the time being,")
-		log.Warn("but there will be no further hard-forks shipped for it.")
-		log.Warn("The network will be permanently halted in Q2/Q3 of 2023.")
-		log.Warn("For the most future proof testnet, choose Sepolia as")
-		log.Warn("your replacement environment (--sepolia instead of --rinkeby).")
-		log.Warn("--------------------------------------------------------------------------------")
-		log.Warn("")
-
-		if !ctx.IsSet(NetworkIdFlag.Name) {
-			cfg.NetworkId = 4
-		}
-		cfg.Genesis = core.DefaultRinkebyGenesisBlock()
-		SetDNSDiscoveryDefaults(cfg, params.RinkebyGenesisHash)
 	case ctx.Bool(GoerliFlag.Name):
 		if !ctx.IsSet(NetworkIdFlag.Name) {
 			cfg.NetworkId = 5
@@ -1967,6 +1854,14 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			SetDNSDiscoveryDefaults(cfg, params.MainnetGenesisHash)
 		}
 	}
+	// Set any dangling config values
+	if ctx.String(CryptoKZGFlag.Name) != "gokzg" && ctx.String(CryptoKZGFlag.Name) != "ckzg" {
+		Fatalf("--%s flag must be 'gokzg' or 'ckzg'", CryptoKZGFlag.Name)
+	}
+	log.Info("Initializing the KZG library", "backend", ctx.String(CryptoKZGFlag.Name))
+	if err := kzg4844.UseCKZG(ctx.String(CryptoKZGFlag.Name) == "ckzg"); err != nil {
+		Fatalf("Failed to set KZG library implementation to %s: %v", ctx.String(CryptoKZGFlag.Name), err)
+	}
 }
 
 // SetDNSDiscoveryDefaults configures DNS discovery with the given URL if
@@ -2210,8 +2105,6 @@ func MakeGenesis(ctx *cli.Context) *core.Genesis {
 		genesis = core.DefaultGenesisBlock()
 	case ctx.Bool(SepoliaFlag.Name):
 		genesis = core.DefaultSepoliaGenesisBlock()
-	case ctx.Bool(RinkebyFlag.Name):
-		genesis = core.DefaultRinkebyGenesisBlock()
 	case ctx.Bool(GoerliFlag.Name):
 		genesis = core.DefaultGoerliGenesisBlock()
 	case ctx.Bool(DeveloperFlag.Name):
@@ -2226,15 +2119,14 @@ func MakeChain(ctx *cli.Context, stack *node.Node, readonly bool) (*core.BlockCh
 		gspec   = MakeGenesis(ctx)
 		chainDb = MakeChainDatabase(ctx, stack, readonly)
 	)
-	cliqueConfig, err := core.LoadCliqueConfig(chainDb, gspec)
+	config, err := core.LoadChainConfig(chainDb, gspec)
 	if err != nil {
 		Fatalf("%v", err)
 	}
-	ethashConfig := ethconfig.Defaults.Ethash
-	if ctx.Bool(FakePoWFlag.Name) {
-		ethashConfig.PowMode = ethash.ModeFake
+	engine, err := ethconfig.CreateConsensusEngine(config, chainDb)
+	if err != nil {
+		Fatalf("%v", err)
 	}
-	engine := ethconfig.CreateConsensusEngine(stack, &ethashConfig, cliqueConfig, nil, false, chainDb)
 	if gcmode := ctx.String(GCModeFlag.Name); gcmode != "full" && gcmode != "archive" {
 		Fatalf("--%s must be either 'full' or 'archive'", GCModeFlag.Name)
 	}

common/types.go

@@ -26,6 +26,7 @@ import (
 	"math/big"
 	"math/rand"
 	"reflect"
+	"strconv"
 	"strings"
 
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -429,3 +430,35 @@ func (ma *MixedcaseAddress) ValidChecksum() bool {
 func (ma *MixedcaseAddress) Original() string {
 	return ma.original
 }
+
+// AddressEIP55 is an alias of Address with a customized json marshaller
+type AddressEIP55 Address
+
+// String returns the hex representation of the address in the manner of EIP55.
+func (addr AddressEIP55) String() string {
+	return Address(addr).Hex()
+}
+
+// MarshalJSON marshals the address in the manner of EIP55.
+func (addr AddressEIP55) MarshalJSON() ([]byte, error) {
+	return json.Marshal(addr.String())
+}
+
+type Decimal uint64
+
+func isString(input []byte) bool {
+	return len(input) >= 2 && input[0] == '"' && input[len(input)-1] == '"'
+}
+
+// UnmarshalJSON parses a hash in hex syntax.
+func (d *Decimal) UnmarshalJSON(input []byte) error {
+	if !isString(input) {
+		return &json.UnmarshalTypeError{Value: "non-string", Type: reflect.TypeOf(uint64(0))}
+	}
+	if i, err := strconv.ParseInt(string(input[1:len(input)-1]), 10, 64); err == nil {
+		*d = Decimal(i)
+		return nil
+	} else {
+		return err
+	}
+}

common/types_test.go

@@ -559,3 +559,27 @@ func TestHash_Format(t *testing.T) {
 		})
 	}
 }
+
+func TestAddressEIP55(t *testing.T) {
+	addr := HexToAddress("0x5aaeb6053f3e94c9b9a09f33669435e7ef1beaed")
+	addrEIP55 := AddressEIP55(addr)
+
+	if addr.Hex() != addrEIP55.String() {
+		t.Fatal("AddressEIP55 should match original address hex")
+	}
+
+	blob, err := addrEIP55.MarshalJSON()
+	if err != nil {
+		t.Fatal("Failed to marshal AddressEIP55", err)
+	}
+	if strings.Trim(string(blob), "\"") != addr.Hex() {
+		t.Fatal("Address with checksum is expected")
+	}
+	var dec Address
+	if err := json.Unmarshal(blob, &dec); err != nil {
+		t.Fatal("Failed to unmarshal AddressEIP55", err)
+	}
+	if addr != dec {
+		t.Fatal("Unexpected address after unmarshal")
+	}
+}

consensus/beacon/consensus.go

@@ -78,13 +78,13 @@ func (beacon *Beacon) Author(header *types.Header) (common.Address, error) {
 
 // VerifyHeader checks whether a header conforms to the consensus rules of the
 // stock Ethereum consensus engine.
-func (beacon *Beacon) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
+func (beacon *Beacon) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error {
 	reached, err := IsTTDReached(chain, header.ParentHash, header.Number.Uint64()-1)
 	if err != nil {
 		return err
 	}
 	if !reached {
-		return beacon.ethone.VerifyHeader(chain, header, seal)
+		return beacon.ethone.VerifyHeader(chain, header)
 	}
 	// Short circuit if the parent is not known
 	parent := chain.GetHeader(header.ParentHash, header.Number.Uint64()-1)
@@ -149,13 +149,13 @@ func (beacon *Beacon) splitHeaders(chain consensus.ChainHeaderReader, headers []
 // concurrently. The method returns a quit channel to abort the operations and
 // a results channel to retrieve the async verifications.
 // VerifyHeaders expect the headers to be ordered and continuous.
-func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) {
 	preHeaders, postHeaders, err := beacon.splitHeaders(chain, headers)
 	if err != nil {
 		return make(chan struct{}), errOut(len(headers), err)
 	}
 	if len(postHeaders) == 0 {
-		return beacon.ethone.VerifyHeaders(chain, headers, seals)
+		return beacon.ethone.VerifyHeaders(chain, headers)
 	}
 	if len(preHeaders) == 0 {
 		return beacon.verifyHeaders(chain, headers, nil)
@@ -171,7 +171,7 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
 			old, new, out      = 0, len(preHeaders), 0
 			errors             = make([]error, len(headers))
 			done               = make([]bool, len(headers))
-			oldDone, oldResult = beacon.ethone.VerifyHeaders(chain, preHeaders, seals[:len(preHeaders)])
+			oldDone, oldResult = beacon.ethone.VerifyHeaders(chain, preHeaders)
 			newDone, newResult = beacon.verifyHeaders(chain, postHeaders, preHeaders[len(preHeaders)-1])
 		)
 		// Collect the results
@@ -257,11 +257,11 @@ func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, pa
 		return consensus.ErrInvalidNumber
 	}
 	// Verify the header's EIP-1559 attributes.
-	if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
+	if err := misc.VerifyEIP1559Header(chain.Config(), parent, header); err != nil {
 		return err
 	}
 	// Verify existence / non-existence of withdrawalsHash.
-	shanghai := chain.Config().IsShanghai(header.Time)
+	shanghai := chain.Config().IsShanghai(header.Number, header.Time)
 	if shanghai && header.WithdrawalsHash == nil {
 		return errors.New("missing withdrawalsHash")
 	}
@@ -269,13 +269,18 @@ func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, pa
 		return fmt.Errorf("invalid withdrawalsHash: have %x, expected nil", header.WithdrawalsHash)
 	}
 	// Verify the existence / non-existence of excessDataGas
-	cancun := chain.Config().IsCancun(header.Time)
-	if cancun && header.ExcessDataGas == nil {
-		return errors.New("missing excessDataGas")
-	}
+	cancun := chain.Config().IsCancun(header.Number, header.Time)
 	if !cancun && header.ExcessDataGas != nil {
 		return fmt.Errorf("invalid excessDataGas: have %d, expected nil", header.ExcessDataGas)
 	}
+	if !cancun && header.DataGasUsed != nil {
+		return fmt.Errorf("invalid dataGasUsed: have %d, expected nil", header.DataGasUsed)
+	}
+	if cancun {
+		if err := misc.VerifyEIP4844Header(parent, header); err != nil {
+			return err
+		}
+	}
 	return nil
 }
 
@@ -356,7 +361,7 @@ func (beacon *Beacon) FinalizeAndAssemble(chain consensus.ChainHeaderReader, hea
 	if !beacon.IsPoSHeader(header) {
 		return beacon.ethone.FinalizeAndAssemble(chain, header, state, txs, uncles, receipts, nil)
 	}
-	shanghai := chain.Config().IsShanghai(header.Time)
+	shanghai := chain.Config().IsShanghai(header.Number, header.Time)
 	if shanghai {
 		// All blocks after Shanghai must include a withdrawals root.
 		if withdrawals == nil {

consensus/clique/clique.go

@@ -214,14 +214,14 @@ func (c *Clique) Author(header *types.Header) (common.Address, error) {
 }
 
 // VerifyHeader checks whether a header conforms to the consensus rules.
-func (c *Clique) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
+func (c *Clique) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error {
 	return c.verifyHeader(chain, header, nil)
 }
 
 // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers. The
 // method returns a quit channel to abort the operations and a results channel to
 // retrieve the async verifications (the order is that of the input slice).
-func (c *Clique) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (c *Clique) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) {
 	abort := make(chan struct{})
 	results := make(chan error, len(headers))
 
@@ -298,11 +298,11 @@ func (c *Clique) verifyHeader(chain consensus.ChainHeaderReader, header *types.H
 	if header.GasLimit > params.MaxGasLimit {
 		return fmt.Errorf("invalid gasLimit: have %v, max %v", header.GasLimit, params.MaxGasLimit)
 	}
-	if chain.Config().IsShanghai(header.Time) {
-		return fmt.Errorf("clique does not support shanghai fork")
+	if chain.Config().IsShanghai(header.Number, header.Time) {
+		return errors.New("clique does not support shanghai fork")
 	}
-	if chain.Config().IsCancun(header.Time) {
-		return fmt.Errorf("clique does not support cancun fork")
+	if chain.Config().IsCancun(header.Number, header.Time) {
+		return errors.New("clique does not support cancun fork")
 	}
 	// All basic checks passed, verify cascading fields
 	return c.verifyCascadingFields(chain, header, parents)
@@ -343,7 +343,7 @@ func (c *Clique) verifyCascadingFields(chain consensus.ChainHeaderReader, header
 		if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
 			return err
 		}
-	} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
+	} else if err := misc.VerifyEIP1559Header(chain.Config(), parent, header); err != nil {
 		// Verify the header's EIP-1559 attributes.
 		return err
 	}

consensus/clique/clique_test.go

@@ -30,7 +30,7 @@ import (
 )
 
 // This test case is a repro of an annoying bug that took us forever to catch.
-// In Clique PoA networks (Rinkeby, Görli, etc), consecutive blocks might have
+// In Clique PoA networks (Görli, etc), consecutive blocks might have
 // the same state root (no block subsidy, empty block). If a node crashes, the
 // chain ends up losing the recent state and needs to regenerate it from blocks
 // already in the database. The bug was that processing the block *prior* to an

consensus/consensus.go

@@ -66,15 +66,14 @@ type Engine interface {
 	Author(header *types.Header) (common.Address, error)
 
 	// VerifyHeader checks whether a header conforms to the consensus rules of a
-	// given engine. Verifying the seal may be done optionally here, or explicitly
-	// via the VerifySeal method.
-	VerifyHeader(chain ChainHeaderReader, header *types.Header, seal bool) error
+	// given engine.
+	VerifyHeader(chain ChainHeaderReader, header *types.Header) error
 
 	// VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers
 	// concurrently. The method returns a quit channel to abort the operations and
 	// a results channel to retrieve the async verifications (the order is that of
 	// the input slice).
-	VerifyHeaders(chain ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error)
+	VerifyHeaders(chain ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error)
 
 	// VerifyUncles verifies that the given block's uncles conform to the consensus
 	// rules of a given engine.

consensus/ethash/algorithm_test.go

@@ -1,815 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ethash
-
-import (
-	"bytes"
-	"encoding/binary"
-	"math/big"
-	"os"
-	"reflect"
-	"sync"
-	"testing"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/core/types"
-)
-
-// prepare converts an ethash cache or dataset from a byte stream into the internal
-// int representation. All ethash methods work with ints to avoid constant byte to
-// int conversions as well as to handle both little and big endian systems.
-func prepare(dest []uint32, src []byte) {
-	for i := 0; i < len(dest); i++ {
-		dest[i] = binary.LittleEndian.Uint32(src[i*4:])
-	}
-}
-
-// Tests whether the dataset size calculator works correctly by cross checking the
-// hard coded lookup table with the value generated by it.
-func TestSizeCalculations(t *testing.T) {
-	// Verify all the cache and dataset sizes from the lookup table.
-	for epoch, want := range cacheSizes {
-		if size := calcCacheSize(epoch); size != want {
-			t.Errorf("cache %d: cache size mismatch: have %d, want %d", epoch, size, want)
-		}
-	}
-	for epoch, want := range datasetSizes {
-		if size := calcDatasetSize(epoch); size != want {
-			t.Errorf("dataset %d: dataset size mismatch: have %d, want %d", epoch, size, want)
-		}
-	}
-}
-
-// Tests that verification caches can be correctly generated.
-func TestCacheGeneration(t *testing.T) {
-	tests := []struct {
-		size  uint64
-		epoch uint64
-		cache []byte
-	}{
-		{
-			size:  1024,
-			epoch: 0,
-			cache: hexutil.MustDecode("0x" +
-				"7ce2991c951f7bf4c4c1bb119887ee07871eb5339d7b97b8588e85c742de90e5bafd5bbe6ce93a134fb6be9ad3e30db99d9528a2ea7846833f52e9ca119b6b54" +
-				"8979480c46e19972bd0738779c932c1b43e665a2fd3122fc3ddb2691f353ceb0ed3e38b8f51fd55b6940290743563c9f8fa8822e611924657501a12aafab8a8d" +
-				"88fb5fbae3a99d14792406672e783a06940a42799b1c38bc28715db6d37cb11f9f6b24e386dc52dd8c286bd8c36fa813dffe4448a9f56ebcbeea866b42f68d22" +
-				"6c32aae4d695a23cab28fd74af53b0c2efcc180ceaaccc0b2e280103d097a03c1d1b0f0f26ce5f32a90238f9bc49f645db001ef9cd3d13d44743f841fad11a37" +
-				"fa290c62c16042f703578921f30b9951465aae2af4a5dad43a7341d7b4a62750954965a47a1c3af638dc3495c4d62a9bab843168c9fc0114e79cffd1b2827b01" +
-				"75d30ba054658f214e946cf24c43b40d3383fbb0493408e5c5392434ca21bbcf43200dfb876c713d201813934fa485f48767c5915745cf0986b1dc0f33e57748" +
-				"bf483ee2aff4248dfe461ec0504a13628401020fc22638584a8f2f5206a13b2f233898c78359b21c8226024d0a7a93df5eb6c282bdbf005a4aab497e096f2847" +
-				"76c71cee57932a8fb89f6d6b8743b60a4ea374899a94a2e0f218d5c55818cefb1790c8529a76dba31ebb0f4592d709b49587d2317970d39c086f18dd244291d9" +
-				"eedb16705e53e3350591bd4ff4566a3595ac0f0ce24b5e112a3d033bc51b6fea0a92296dea7f5e20bf6ee6bc347d868fda193c395b9bb147e55e5a9f67cfe741" +
-				"7eea7d699b155bd13804204df7ea91fa9249e4474dddf35188f77019c67d201e4c10d7079c5ad492a71afff9a23ca7e900ba7d1bdeaf3270514d8eb35eab8a0a" +
-				"718bb7273aeb37768fa589ed8ab01fbf4027f4ebdbbae128d21e485f061c20183a9bc2e31edbda0727442e9d58eb0fe198440fe199e02e77c0f7b99973f1f74c" +
-				"c9089a51ab96c94a84d66e6aa48b2d0a4543adb5a789039a2aa7b335ca85c91026c7d3c894da53ae364188c3fd92f78e01d080399884a47385aa792e38150cda" +
-				"a8620b2ebeca41fbc773bb837b5e724d6eb2de570d99858df0d7d97067fb8103b21757873b735097b35d3bea8fd1c359a9e8a63c1540c76c9784cf8d975e995c" +
-				"778401b94a2e66e6993ad67ad3ecdc2acb17779f1ea8606827ec92b11c728f8c3b6d3f04a3e6ed05ff81dd76d5dc5695a50377bc135aaf1671cf68b750315493" +
-				"6c64510164d53312bf3c41740c7a237b05faf4a191bd8a95dafa068dbcf370255c725900ce5c934f36feadcfe55b687c440574c1f06f39d207a8553d39156a24" +
-				"845f64fd8324bb85312979dead74f764c9677aab89801ad4f927f1c00f12e28f22422bb44200d1969d9ab377dd6b099dc6dbc3222e9321b2c1e84f8e2f07731c"),
-		},
-		{
-			size:  1024,
-			epoch: 1,
-			cache: hexutil.MustDecode("0x" +
-				"1f56855d59cc5a085720899b4377a0198f1abe948d85fe5820dc0e346b7c0931b9cde8e541d751de3b2b3275d0aabfae316209d5879297d8bd99f8a033c9d4df" +
-				"35add1029f4e6404a022d504fb8023e42989aba985a65933b0109c7218854356f9284983c9e7de97de591828ae348b63d1fc78d8db58157344d4e06530ffd422" +
-				"5c7f6080d451ff94961ec2dd9e28e6d81b49102451676dbdcb6ef1094c1e8b29e7e808d47b2ba5aeb52dabf00d5f0ee08c116289cbf56d8132e5ca557c3d6220" +
-				"5ba3a48539acabfd4ca3c89e3aaa668e24ffeaeb9eb0136a9fc5a8a676b6d5ad76175eeda0a1fa44b5ff5591079e4b7f581569b6c82416adcb82d7e92980df67" +
-				"2248c4024013e7be52cf91a82491627d9e6d80eda2770ab82badc5e120cd33a4c84495f718b57396a8f397e797087fad81fa50f0e2f5da71e40816a85de35a96" +
-				"3cd351364905c45b3116ff25851d43a2ca1d2aa5cdb408440dabef8c57778fc18608bf431d0c7ffd37649a21a7bb9d90def39c821669dbaf165c0262434dfb08" +
-				"5d057a12de4a7a59fd2dfc931c29c20371abf748b69b618a9bd485b3fb3166cad4d3d27edf0197aabeceb28b96670bdf020f26d1bb9b564aaf82d866bdffd6d4" +
-				"1aea89e20b15a5d1264ab01d1556bfc2a266081609d60928216bd9646038f07de9fedcc9f2b86ab1b07d7bd88ba1df08b3d89b2ac789001b48a723f217debcb7" +
-				"090303a3ef50c1d5d99a75c640ec2b401ab149e06511753d8c49cafdde2929ae61e09cc0f0319d262869d21ead9e0cf5ff2de3dbedfb994f32432d2e4aa44c82" +
-				"7c42781d1477fe03ea0772998e776d63363c6c3edd2d52c89b4d2c9d89cdd90fa33b2b41c8e3f78ef06fe90bcf5cc5756d33a032f16b744141aaa8852bb4cb3a" +
-				"40792b93489c6d6e56c235ec4aa36c263e9b766a4daaff34b2ea709f9f811aef498a65bfbc1deffd36fcc4d1a123345fac7bf57a1fb50394843cd28976a6c7ff" +
-				"fe70f7b8d8f384aa06e2c9964c92a8788cef397fffdd35181b42a35d5d98cd7244bbd09e802888d7efc0311ae58e0961e3656205df4bdc553f317df4b6ede4ca" +
-				"846294a32aec830ab1aa5aac4e78b821c35c70fd752fec353e373bf9be656e775a0111bcbeffdfebd3bd5251d27b9f6971aa561a2bd27a99d61b2ce3965c3726" +
-				"1e114353e6a31b09340f4078b8a8c6ce6ff4213067a8f21020f78aff4f8b472b701ef730aacb8ce7806ea31b14abe8f8efdd6357ca299d339abc4e43ba324ad1" +
-				"efe6eb1a5a6e137daa6ec9f6be30931ca368a944cfcf2a0a29f9a9664188f0466e6f078c347f9fe26a9a89d2029462b19245f24ace47aecace6ef85a4e96b31b" +
-				"5f470eb0165c6375eb8f245d50a25d521d1e569e3b2dccce626752bb26eae624a24511e831a81fab6898a791579f462574ca4851e6588116493dbccc3072e0c5"),
-		},
-	}
-	for i, tt := range tests {
-		cache := make([]uint32, tt.size/4)
-		generateCache(cache, tt.epoch, seedHash(tt.epoch*epochLength+1))
-
-		want := make([]uint32, tt.size/4)
-		prepare(want, tt.cache)
-
-		if !reflect.DeepEqual(cache, want) {
-			t.Errorf("cache %d: content mismatch: have %x, want %x", i, cache, want)
-		}
-	}
-}
-
-func TestDatasetGeneration(t *testing.T) {
-	tests := []struct {
-		epoch       uint64
-		cacheSize   uint64
-		datasetSize uint64
-		dataset     []byte
-	}{
-		{
-			epoch:       0,
-			cacheSize:   1024,
-			datasetSize: 32 * 1024,
-			dataset: hexutil.MustDecode("0x" +
-				"4bc09fbd530a041dd2ec296110a29e8f130f179c59d223f51ecce3126e8b0c74326abc2f32ccd9d7f976bd0944e3ccf8479db39343cbbffa467046ca97e2da63" +
-				"da5f9d9688c7c33ab7b8aace570e422fa48b24659b72fc534669209d66389ca15b099c5604601e7581488e3bd6925cec0f12d465f8004d4fa84793f8e1e46a1b" +
-				"31b7298991c6142f4f0b6e6b296728ae5fa63ccb667b61fbb1b078003d18d97b906af157debed5e6c55d5a61cae90c85f9e97d565314a2f9fd9e0c08430547d0" +
-				"7cfcee3271f921b95c32a11596219abaa30abc62c2c72c6725078c436c677320594df6bcb92134c1b114fffec982a1f68f13a9f812f074b9fb9c78f2cd4c1c90" +
-				"7ebf1e447f7a422b06303921e3d54f430584d849eaa4b7d652e92a5d659bdfc462adcdd7991e8c66a19da4ddb5390463d073941491859397f135ebbbdbdf5801" +
-				"cafb873c383893390141ae385515504d74a33608273310c312ba468046d2e20c271a38cc0e3920b39705050e752f34f244fc23ddd17ff18677756a87671d4145" +
-				"3aebf97e4890da1d645f41eb20da92a8537c787ce419580073c46aa3bb154952993142ec5b4fb6e8f108fd15fc618cd5c27b45a37ee6dcd52a4ce656c0f58604" +
-				"717ec55f5e592355f1f20e8316f8fd77243734a8b0f50ad93c1d95b5b0482afb22cd0667d935bd6053d7198b54974e10d100df7ca3ec2e0bb5ccce5807b266e0" +
-				"8429d5fec2ae6ae1cc7c5efc27f19c89d4b4a6c5c0b9397886dac635ba37446ff528b582457a4fe7f803f1a47903574f8982d4a679b627396a4e97aaa12fa179" +
-				"0d31ba52e9010bc3c26ace81f702f86649fe9eeda9ec03b74a8a5cf540d82e22af33ab893564397dfc4edd8b1677350df5b82ab61d24db95f58fd2d78afb49c7" +
-				"2d2b1fefa8ff6606b8623829cc752ea37d663b945f3f1d48ad07b1416af252f81b55acd8f164da4faa9d9453721b3b795041ce7df7c77edc13865dbe04fee331" +
-				"47daebe18c183c4a6594a6df3a4d2dc5e3811d805102c9c49286e3d12b38927fa49a7b0cdcb1d799f57118953e31c560aae213a1799d59a78ae68f0590347061" +
-				"fc2668caf08f860452f6b7d3ebc1efecc2e1227d33296b1f1850360dee7236e85274eaede4d18a58b4261ce1f6a7d283dcf64e6d021813f82a566354445327e5" +
-				"6217279b2393fe5aa0f9eb149d4866e1105106bcc221810ceaf053f2ec733d8a22f409c1baf955e50184005c5d55de907de97f5f713b62ae10937e1a7af6267b" +
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-				"63ad4eb621644fd7d774b501407a1178814b15149345d551b474347188067db2ab4d7f4d1abd3027133039e855e129f3f5649550da8c04fe2db57cb89bf1bf4f" +
-				"72eb35ccfe31afb92f6136d4c2a1c115b07b721b2da43151f11c356256230408979c5d95243714429e2c9500e7b043b20dac8a9763e5b487d1cbdb34ac379b9c" +
-				"6409454c79385b6e562459c4fdaad1b7f9297c1473e9b90fffe6d1c5390e241a187a4cefa2eb0cb0c11f4ca6c5b961c18ceb57892295290dbc991692556bffa3" +
-				"b8c405cf285e6bcb8a90246ad0ac15122f4cf73adc129d23aa2240733404beb6d74bf698e5589288a522573c774ce9f514b5d5c086382ea1dd4e89ff5facbf23" +
-				"d36bc3d203941e17747ede4b82820351f4df278ddb787ce8f6f1cc468ef953399efb072ce706e253f1bab76444bb70be6443cd0db633e958dc57bd223e00418e" +
-				"915a7c2e4d94c0623f9788276480cdfe798387d35e2ea2d304d066aec7627794cdd4200a44208d6c87f242c76e2d4a3f966b6fb96eaa63d892c1a177bef249b4" +
-				"fdd1a4c06c791f677dd9919f739ccf318bd77835330b0219786249c9c9736161dac771a838724f2dd70afba46a6782fd27601cf8a7126ae95a66e526131a68d7" +
-				"7a809e513533ed8021eecdbc5851dfcf95e10f1bbe47b5c7f079275a1837836245266b66d89fab25ac4bd6c1225560bea3259b67bf50a58ee056754d574da79e" +
-				"f9a1a0df3a5defed0f74fe74ce0bf65a04086f17e94a8451828c723c97932f26f9349f1a2c7866c617a528602721de4f3cc8916bcfc66cdc106bafa26ea87a13" +
-				"94dfa37e396365fb7f92df007b46a50ff04c7f85bfa679230ebedf18c2fb876fc7098dd1c4328adf85de71c31d94687a308053bfcdc158cfa7772170fbed63f5" +
-				"37dda41f65196dfacdd1186b5de0f3369d841ce6502192292d05a19ce7464f5bcab3015c721cac13ddca561b92dc1ee25d3068dc1945a1b4e2bd1e6604c42e4c" +
-				"3c04b490f6365828957990007394557854a903e19feb06906e41cbc8766bf37bd7dece90f4cdc987709b1129e84bfdc502543b5bfa887bf78553a5ec10ad68c5" +
-				"d10eff75f7aa495e7d934a55577fdc0aead31aee4522db0259d7d4ea8438a7996d80a787465a2980457193d1c4bf1a0a1e01741d72e5fc4dfe58475c1c01026b" +
-				"5a3bc973b902280753e9c3226db9cc778e2506c56ee86ae85b4d54dbf05394107329b2d1ee56522cb1ce562fb1aa4e592199d9c29f64cc3ab1d757531e209eec" +
-				"aa138d8388169b5e28c45f5aba267eeaa57f69869f0b6855d82b0eafcde63895251f41e8e676a0ab12ef3f569bb7de91b79fa46ad9637da01ca004f4d30259c1" +
-				"f5b00761f6ca9c17721a6718390624a10a11f7f52d7afb71ee5f8338828910e48f94a1347761abac87897b2dd0e23f1d325aec5031ef58f2972e8b402e05f8c1" +
-				"ae7053a90380a1ae0d4d06645548c23e13afa31aac8ff83b10f8341418af4114632f6406d6e33076391696c9161d63c8bcfd1c625fc737f68198046212d1638a" +
-				"d2d2d42ff7029c1fcc682a046edc4d4f24862d82c600180b1e8f57ff6a3865dfe9274f9886d00efa523a1b3b3757c4489200fec3dc5583854c955492336253dd" +
-				"767f2a60ce3d224afcff9cdc19e9b28830d33affda6af99942a8fe39562055f3e884fd6c1ebc1908ac159061f35e9b0da80434ce9673d9c6b87265170077c670" +
-				"743e37474d7605cd01c44af600f16d9ffaf24acf87fbe5ccf39bac41047a810d210051c87f06147a0bb8f1427a406700483679638f1af23f1dafb7aa0c468669" +
-				"71c3a82f535c26cf6cb335e8e915fda393799d3dbe0e04b907ed3612d12ac95783a6876cd986d2a13b82192532e02c250eaa42f891d2481655fa4494c723fe00" +
-				"87d224444245eb5b0eade5f741b025db1992a8ad0dce51b0c1af4a18a9e244f9f755891adf0f19179c7baa6c32bffc91e0b03c4ed3aaee1978b6a1f03b87ac6a" +
-				"fc3b9e7030bb212b17de198edfccde29d04224798c1204e47ea235f048724fac62d637d1ba0ee3922048fcf79c746b6c0c036d882e3491fd72bad6e009c6403e" +
-				"55876f4d31330caa02aedd0b0c121c3c41e736853a08071f0dd4ddc7412db0bbe274a9ac2932552bb37c40e72c2ef1d7cca8236942e480d709d3ea9d5ae0a1b7",
-			),
-		},
-	}
-	for i, tt := range tests {
-		cache := make([]uint32, tt.cacheSize/4)
-		generateCache(cache, tt.epoch, seedHash(tt.epoch*epochLength+1))
-
-		dataset := make([]uint32, tt.datasetSize/4)
-		generateDataset(dataset, tt.epoch, cache)
-
-		want := make([]uint32, tt.datasetSize/4)
-		prepare(want, tt.dataset)
-
-		if !reflect.DeepEqual(dataset, want) {
-			t.Errorf("dataset %d: content mismatch: have %x, want %x", i, dataset, want)
-		}
-	}
-}
-
-// Tests whether the hashimoto lookup works for both light as well as the full
-// datasets.
-func TestHashimoto(t *testing.T) {
-	// Create the verification cache and mining dataset
-	cache := make([]uint32, 1024/4)
-	generateCache(cache, 0, make([]byte, 32))
-
-	dataset := make([]uint32, 32*1024/4)
-	generateDataset(dataset, 0, cache)
-
-	// Create a block to verify
-	hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
-	nonce := uint64(0)
-
-	wantDigest := hexutil.MustDecode("0xe4073cffaef931d37117cefd9afd27ea0f1cad6a981dd2605c4a1ac97c519800")
-	wantResult := hexutil.MustDecode("0xd3539235ee2e6f8db665c0a72169f55b7f6c605712330b778ec3944f0eb5a557")
-
-	digest, result := hashimotoLight(32*1024, cache, hash, nonce)
-	if !bytes.Equal(digest, wantDigest) {
-		t.Errorf("light hashimoto digest mismatch: have %x, want %x", digest, wantDigest)
-	}
-	if !bytes.Equal(result, wantResult) {
-		t.Errorf("light hashimoto result mismatch: have %x, want %x", result, wantResult)
-	}
-	digest, result = hashimotoFull(dataset, hash, nonce)
-	if !bytes.Equal(digest, wantDigest) {
-		t.Errorf("full hashimoto digest mismatch: have %x, want %x", digest, wantDigest)
-	}
-	if !bytes.Equal(result, wantResult) {
-		t.Errorf("full hashimoto result mismatch: have %x, want %x", result, wantResult)
-	}
-}
-
-// Tests that caches generated on disk may be done concurrently.
-func TestConcurrentDiskCacheGeneration(t *testing.T) {
-	// Create a temp folder to generate the caches into
-	// TODO: t.TempDir fails to remove the directory on Windows
-	// \AppData\Local\Temp\1\TestConcurrentDiskCacheGeneration2382060137\001\cache-R23-1dca8a85e74aa763: Access is denied.
-	cachedir, err := os.MkdirTemp("", "")
-	if err != nil {
-		t.Fatalf("Failed to create temporary cache dir: %v", err)
-	}
-	defer os.RemoveAll(cachedir)
-
-	// Define a heavy enough block, one from mainnet should do
-	block := types.NewBlockWithHeader(&types.Header{
-		Number:      big.NewInt(3311058),
-		ParentHash:  common.HexToHash("0xd783efa4d392943503f28438ad5830b2d5964696ffc285f338585e9fe0a37a05"),
-		UncleHash:   types.EmptyUncleHash,
-		Coinbase:    common.HexToAddress("0xc0ea08a2d404d3172d2add29a45be56da40e2949"),
-		Root:        common.HexToHash("0x77d14e10470b5850332524f8cd6f69ad21f070ce92dca33ab2858300242ef2f1"),
-		TxHash:      types.EmptyTxsHash,
-		ReceiptHash: types.EmptyReceiptsHash,
-		Difficulty:  big.NewInt(167925187834220),
-		GasLimit:    4015682,
-		GasUsed:     0,
-		Time:        1488928920,
-		Extra:       []byte("www.bw.com"),
-		MixDigest:   common.HexToHash("0x3e140b0784516af5e5ec6730f2fb20cca22f32be399b9e4ad77d32541f798cd0"),
-		Nonce:       types.EncodeNonce(0xf400cd0006070c49),
-	})
-	// Simulate multiple processes sharing the same datadir
-	var pend sync.WaitGroup
-
-	for i := 0; i < 3; i++ {
-		pend.Add(1)
-		go func(idx int) {
-			defer pend.Done()
-
-			config := Config{
-				CacheDir:     cachedir,
-				CachesOnDisk: 1,
-			}
-			ethash := New(config, nil, false)
-			defer ethash.Close()
-			if err := ethash.verifySeal(nil, block.Header(), false); err != nil {
-				t.Errorf("proc %d: block verification failed: %v", idx, err)
-			}
-		}(i)
-	}
-	pend.Wait()
-}
-
-// Benchmarks the cache generation performance.
-func BenchmarkCacheGeneration(b *testing.B) {
-	for i := 0; i < b.N; i++ {
-		cache := make([]uint32, cacheSize(1)/4)
-		generateCache(cache, 0, make([]byte, 32))
-	}
-}
-
-// Benchmarks the dataset (small) generation performance.
-func BenchmarkSmallDatasetGeneration(b *testing.B) {
-	cache := make([]uint32, 65536/4)
-	generateCache(cache, 0, make([]byte, 32))
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		dataset := make([]uint32, 32*65536/4)
-		generateDataset(dataset, 0, cache)
-	}
-}
-
-// Benchmarks the light verification performance.
-func BenchmarkHashimotoLight(b *testing.B) {
-	cache := make([]uint32, cacheSize(1)/4)
-	generateCache(cache, 0, make([]byte, 32))
-
-	hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		hashimotoLight(datasetSize(1), cache, hash, 0)
-	}
-}
-
-// Benchmarks the full (small) verification performance.
-func BenchmarkHashimotoFullSmall(b *testing.B) {
-	cache := make([]uint32, 65536/4)
-	generateCache(cache, 0, make([]byte, 32))
-
-	dataset := make([]uint32, 32*65536/4)
-	generateDataset(dataset, 0, cache)
-
-	hash := hexutil.MustDecode("0xc9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		hashimotoFull(dataset, hash, 0)
-	}
-}
-
-func benchmarkHashimotoFullMmap(b *testing.B, name string, lock bool) {
-	b.Run(name, func(b *testing.B) {
-		tmpdir := b.TempDir()
-
-		d := &dataset{epoch: 0}
-		d.generate(tmpdir, 1, lock, false)
-		var hash [common.HashLength]byte
-		b.ResetTimer()
-		for i := 0; i < b.N; i++ {
-			binary.PutVarint(hash[:], int64(i))
-			hashimotoFull(d.dataset, hash[:], 0)
-		}
-	})
-}
-
-// Benchmarks the full verification performance for mmap
-func BenchmarkHashimotoFullMmap(b *testing.B) {
-	benchmarkHashimotoFullMmap(b, "WithLock", true)
-	benchmarkHashimotoFullMmap(b, "WithoutLock", false)
-}

consensus/ethash/api.go

@@ -1,113 +0,0 @@
-// Copyright 2018 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ethash
-
-import (
-	"errors"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/core/types"
-)
-
-var errEthashStopped = errors.New("ethash stopped")
-
-// API exposes ethash related methods for the RPC interface.
-type API struct {
-	ethash *Ethash
-}
-
-// GetWork returns a work package for external miner.
-//
-// The work package consists of 3 strings:
-//
-//	result[0] - 32 bytes hex encoded current block header pow-hash
-//	result[1] - 32 bytes hex encoded seed hash used for DAG
-//	result[2] - 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
-//	result[3] - hex encoded block number
-func (api *API) GetWork() ([4]string, error) {
-	if api.ethash.remote == nil {
-		return [4]string{}, errors.New("not supported")
-	}
-
-	var (
-		workCh = make(chan [4]string, 1)
-		errc   = make(chan error, 1)
-	)
-	select {
-	case api.ethash.remote.fetchWorkCh <- &sealWork{errc: errc, res: workCh}:
-	case <-api.ethash.remote.exitCh:
-		return [4]string{}, errEthashStopped
-	}
-	select {
-	case work := <-workCh:
-		return work, nil
-	case err := <-errc:
-		return [4]string{}, err
-	}
-}
-
-// SubmitWork can be used by external miner to submit their POW solution.
-// It returns an indication if the work was accepted.
-// Note either an invalid solution, a stale work a non-existent work will return false.
-func (api *API) SubmitWork(nonce types.BlockNonce, hash, digest common.Hash) bool {
-	if api.ethash.remote == nil {
-		return false
-	}
-
-	var errc = make(chan error, 1)
-	select {
-	case api.ethash.remote.submitWorkCh <- &mineResult{
-		nonce:     nonce,
-		mixDigest: digest,
-		hash:      hash,
-		errc:      errc,
-	}:
-	case <-api.ethash.remote.exitCh:
-		return false
-	}
-	err := <-errc
-	return err == nil
-}
-
-// SubmitHashrate can be used for remote miners to submit their hash rate.
-// This enables the node to report the combined hash rate of all miners
-// which submit work through this node.
-//
-// It accepts the miner hash rate and an identifier which must be unique
-// between nodes.
-func (api *API) SubmitHashrate(rate hexutil.Uint64, id common.Hash) bool {
-	if api.ethash.remote == nil {
-		return false
-	}
-
-	var done = make(chan struct{}, 1)
-	select {
-	case api.ethash.remote.submitRateCh <- &hashrate{done: done, rate: uint64(rate), id: id}:
-	case <-api.ethash.remote.exitCh:
-		return false
-	}
-
-	// Block until hash rate submitted successfully.
-	<-done
-	return true
-}
-
-// GetHashrate returns the current hashrate for local CPU miner and remote miner.
-func (api *API) GetHashrate() uint64 {
-	return uint64(api.ethash.Hashrate())
-}

consensus/ethash/consensus.go

@@ -17,11 +17,9 @@
 package ethash
 
 import (
-	"bytes"
 	"errors"
 	"fmt"
 	"math/big"
-	"runtime"
 	"time"
 
 	mapset "github.com/deckarep/golang-set/v2"
@@ -84,14 +82,11 @@ var (
 // codebase, inherently breaking if the engine is swapped out. Please put common
 // error types into the consensus package.
 var (
-	errOlderBlockTime    = errors.New("timestamp older than parent")
-	errTooManyUncles     = errors.New("too many uncles")
-	errDuplicateUncle    = errors.New("duplicate uncle")
-	errUncleIsAncestor   = errors.New("uncle is ancestor")
-	errDanglingUncle     = errors.New("uncle's parent is not ancestor")
-	errInvalidDifficulty = errors.New("non-positive difficulty")
-	errInvalidMixDigest  = errors.New("invalid mix digest")
-	errInvalidPoW        = errors.New("invalid proof-of-work")
+	errOlderBlockTime  = errors.New("timestamp older than parent")
+	errTooManyUncles   = errors.New("too many uncles")
+	errDuplicateUncle  = errors.New("duplicate uncle")
+	errUncleIsAncestor = errors.New("uncle is ancestor")
+	errDanglingUncle   = errors.New("uncle's parent is not ancestor")
 )
 
 // Author implements consensus.Engine, returning the header's coinbase as the
@@ -102,11 +97,7 @@ func (ethash *Ethash) Author(header *types.Header) (common.Address, error) {
 
 // VerifyHeader checks whether a header conforms to the consensus rules of the
 // stock Ethereum ethash engine.
-func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
-	// If we're running a full engine faking, accept any input as valid
-	if ethash.config.PowMode == ModeFullFake {
-		return nil
-	}
+func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header) error {
 	// Short circuit if the header is known, or its parent not
 	number := header.Number.Uint64()
 	if chain.GetHeader(header.Hash(), number) != nil {
@@ -117,93 +108,54 @@ func (ethash *Ethash) VerifyHeader(chain consensus.ChainHeaderReader, header *ty
 		return consensus.ErrUnknownAncestor
 	}
 	// Sanity checks passed, do a proper verification
-	return ethash.verifyHeader(chain, header, parent, false, seal, time.Now().Unix())
+	return ethash.verifyHeader(chain, header, parent, false, time.Now().Unix())
 }
 
 // VerifyHeaders is similar to VerifyHeader, but verifies a batch of headers
 // concurrently. The method returns a quit channel to abort the operations and
 // a results channel to retrieve the async verifications.
-func (ethash *Ethash) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
+func (ethash *Ethash) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header) (chan<- struct{}, <-chan error) {
 	// If we're running a full engine faking, accept any input as valid
-	if ethash.config.PowMode == ModeFullFake || len(headers) == 0 {
+	if ethash.fakeFull || len(headers) == 0 {
 		abort, results := make(chan struct{}), make(chan error, len(headers))
 		for i := 0; i < len(headers); i++ {
 			results <- nil
 		}
 		return abort, results
 	}
+	abort := make(chan struct{})
+	results := make(chan error, len(headers))
+	unixNow := time.Now().Unix()
 
-	// Spawn as many workers as allowed threads
-	workers := runtime.GOMAXPROCS(0)
-	if len(headers) < workers {
-		workers = len(headers)
-	}
-
-	// Create a task channel and spawn the verifiers
-	var (
-		inputs  = make(chan int)
-		done    = make(chan int, workers)
-		errors  = make([]error, len(headers))
-		abort   = make(chan struct{})
-		unixNow = time.Now().Unix()
-	)
-	for i := 0; i < workers; i++ {
-		go func() {
-			for index := range inputs {
-				errors[index] = ethash.verifyHeaderWorker(chain, headers, seals, index, unixNow)
-				done <- index
-			}
-		}()
-	}
-
-	errorsOut := make(chan error, len(headers))
 	go func() {
-		defer close(inputs)
-		var (
-			in, out = 0, 0
-			checked = make([]bool, len(headers))
-			inputs  = inputs
-		)
-		for {
+		for i, header := range headers {
+			var parent *types.Header
+			if i == 0 {
+				parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1)
+			} else if headers[i-1].Hash() == headers[i].ParentHash {
+				parent = headers[i-1]
+			}
+			var err error
+			if parent == nil {
+				err = consensus.ErrUnknownAncestor
+			} else {
+				err = ethash.verifyHeader(chain, header, parent, false, unixNow)
+			}
 			select {
-			case inputs <- in:
-				if in++; in == len(headers) {
-					// Reached end of headers. Stop sending to workers.
-					inputs = nil
-				}
-			case index := <-done:
-				for checked[index] = true; checked[out]; out++ {
-					errorsOut <- errors[out]
-					if out == len(headers)-1 {
-						return
-					}
-				}
 			case <-abort:
 				return
+			case results <- err:
 			}
 		}
 	}()
-	return abort, errorsOut
-}
-
-func (ethash *Ethash) verifyHeaderWorker(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool, index int, unixNow int64) error {
-	var parent *types.Header
-	if index == 0 {
-		parent = chain.GetHeader(headers[0].ParentHash, headers[0].Number.Uint64()-1)
-	} else if headers[index-1].Hash() == headers[index].ParentHash {
-		parent = headers[index-1]
-	}
-	if parent == nil {
-		return consensus.ErrUnknownAncestor
-	}
-	return ethash.verifyHeader(chain, headers[index], parent, false, seals[index], unixNow)
+	return abort, results
 }
 
 // VerifyUncles verifies that the given block's uncles conform to the consensus
 // rules of the stock Ethereum ethash engine.
 func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Block) error {
 	// If we're running a full engine faking, accept any input as valid
-	if ethash.config.PowMode == ModeFullFake {
+	if ethash.fakeFull {
 		return nil
 	}
 	// Verify that there are at most 2 uncles included in this block
@@ -255,7 +207,7 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
 		if ancestors[uncle.ParentHash] == nil || uncle.ParentHash == block.ParentHash() {
 			return errDanglingUncle
 		}
-		if err := ethash.verifyHeader(chain, uncle, ancestors[uncle.ParentHash], true, true, time.Now().Unix()); err != nil {
+		if err := ethash.verifyHeader(chain, uncle, ancestors[uncle.ParentHash], true, time.Now().Unix()); err != nil {
 			return err
 		}
 	}
@@ -265,7 +217,7 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
 // verifyHeader checks whether a header conforms to the consensus rules of the
 // stock Ethereum ethash engine.
 // See YP section 4.3.4. "Block Header Validity"
-func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, seal bool, unixNow int64) error {
+func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header, uncle bool, unixNow int64) error {
 	// Ensure that the header's extra-data section is of a reasonable size
 	if uint64(len(header.Extra)) > params.MaximumExtraDataSize {
 		return fmt.Errorf("extra-data too long: %d > %d", len(header.Extra), params.MaximumExtraDataSize)
@@ -302,7 +254,7 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
 		if err := misc.VerifyGaslimit(parent.GasLimit, header.GasLimit); err != nil {
 			return err
 		}
-	} else if err := misc.VerifyEip1559Header(chain.Config(), parent, header); err != nil {
+	} else if err := misc.VerifyEIP1559Header(chain.Config(), parent, header); err != nil {
 		// Verify the header's EIP-1559 attributes.
 		return err
 	}
@@ -310,17 +262,18 @@ func (ethash *Ethash) verifyHeader(chain consensus.ChainHeaderReader, header, pa
 	if diff := new(big.Int).Sub(header.Number, parent.Number); diff.Cmp(big.NewInt(1)) != 0 {
 		return consensus.ErrInvalidNumber
 	}
-	if chain.Config().IsShanghai(header.Time) {
-		return fmt.Errorf("ethash does not support shanghai fork")
+	if chain.Config().IsShanghai(header.Number, header.Time) {
+		return errors.New("ethash does not support shanghai fork")
 	}
-	if chain.Config().IsCancun(header.Time) {
-		return fmt.Errorf("ethash does not support cancun fork")
+	if chain.Config().IsCancun(header.Number, header.Time) {
+		return errors.New("ethash does not support cancun fork")
 	}
-	// Verify the engine specific seal securing the block
-	if seal {
-		if err := ethash.verifySeal(chain, header, false); err != nil {
-			return err
-		}
+	// Add some fake checks for tests
+	if ethash.fakeDelay != nil {
+		time.Sleep(*ethash.fakeDelay)
+	}
+	if ethash.fakeFail != nil && *ethash.fakeFail == header.Number.Uint64() {
+		return errors.New("invalid tester pow")
 	}
 	// If all checks passed, validate any special fields for hard forks
 	if err := misc.VerifyDAOHeaderExtraData(chain.Config(), header); err != nil {
@@ -521,72 +474,6 @@ var FrontierDifficultyCalculator = calcDifficultyFrontier
 var HomesteadDifficultyCalculator = calcDifficultyHomestead
 var DynamicDifficultyCalculator = makeDifficultyCalculator
 
-// verifySeal checks whether a block satisfies the PoW difficulty requirements,
-// either using the usual ethash cache for it, or alternatively using a full DAG
-// to make remote mining fast.
-func (ethash *Ethash) verifySeal(chain consensus.ChainHeaderReader, header *types.Header, fulldag bool) error {
-	// If we're running a fake PoW, accept any seal as valid
-	if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
-		time.Sleep(ethash.fakeDelay)
-		if ethash.fakeFail == header.Number.Uint64() {
-			return errInvalidPoW
-		}
-		return nil
-	}
-	// If we're running a shared PoW, delegate verification to it
-	if ethash.shared != nil {
-		return ethash.shared.verifySeal(chain, header, fulldag)
-	}
-	// Ensure that we have a valid difficulty for the block
-	if header.Difficulty.Sign() <= 0 {
-		return errInvalidDifficulty
-	}
-	// Recompute the digest and PoW values
-	number := header.Number.Uint64()
-
-	var (
-		digest []byte
-		result []byte
-	)
-	// If fast-but-heavy PoW verification was requested, use an ethash dataset
-	if fulldag {
-		dataset := ethash.dataset(number, true)
-		if dataset.generated() {
-			digest, result = hashimotoFull(dataset.dataset, ethash.SealHash(header).Bytes(), header.Nonce.Uint64())
-
-			// Datasets are unmapped in a finalizer. Ensure that the dataset stays alive
-			// until after the call to hashimotoFull so it's not unmapped while being used.
-			runtime.KeepAlive(dataset)
-		} else {
-			// Dataset not yet generated, don't hang, use a cache instead
-			fulldag = false
-		}
-	}
-	// If slow-but-light PoW verification was requested (or DAG not yet ready), use an ethash cache
-	if !fulldag {
-		cache := ethash.cache(number)
-
-		size := datasetSize(number)
-		if ethash.config.PowMode == ModeTest {
-			size = 32 * 1024
-		}
-		digest, result = hashimotoLight(size, cache.cache, ethash.SealHash(header).Bytes(), header.Nonce.Uint64())
-
-		// Caches are unmapped in a finalizer. Ensure that the cache stays alive
-		// until after the call to hashimotoLight so it's not unmapped while being used.
-		runtime.KeepAlive(cache)
-	}
-	// Verify the calculated values against the ones provided in the header
-	if !bytes.Equal(header.MixDigest[:], digest) {
-		return errInvalidMixDigest
-	}
-	target := new(big.Int).Div(two256, header.Difficulty)
-	if new(big.Int).SetBytes(result).Cmp(target) > 0 {
-		return errInvalidPoW
-	}
-	return nil
-}
-
 // Prepare implements consensus.Engine, initializing the difficulty field of a
 // header to conform to the ethash protocol. The changes are done inline.
 func (ethash *Ethash) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {

consensus/ethash/ethash.go

@@ -18,503 +18,26 @@
 package ethash
 
 import (
-	"errors"
-	"fmt"
-	"math"
-	"math/big"
-	"math/rand"
-	"os"
-	"path/filepath"
-	"reflect"
-	"runtime"
-	"strconv"
-	"sync"
-	"sync/atomic"
 	"time"
-	"unsafe"
 
-	"github.com/edsrzf/mmap-go"
-	lrupkg "github.com/ethereum/go-ethereum/common/lru"
 	"github.com/ethereum/go-ethereum/consensus"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/metrics"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/rpc"
 )
 
-var ErrInvalidDumpMagic = errors.New("invalid dump magic")
-
-var (
-	// two256 is a big integer representing 2^256
-	two256 = new(big.Int).Exp(big.NewInt(2), big.NewInt(256), big.NewInt(0))
-
-	// sharedEthash is a full instance that can be shared between multiple users.
-	sharedEthash *Ethash
-
-	// algorithmRevision is the data structure version used for file naming.
-	algorithmRevision = 23
-
-	// dumpMagic is a dataset dump header to sanity check a data dump.
-	dumpMagic = []uint32{0xbaddcafe, 0xfee1dead}
-)
-
-func init() {
-	sharedConfig := Config{
-		PowMode:       ModeNormal,
-		CachesInMem:   3,
-		DatasetsInMem: 1,
-	}
-	sharedEthash = New(sharedConfig, nil, false)
-}
-
-// isLittleEndian returns whether the local system is running in little or big
-// endian byte order.
-func isLittleEndian() bool {
-	n := uint32(0x01020304)
-	return *(*byte)(unsafe.Pointer(&n)) == 0x04
-}
-
-// memoryMap tries to memory map a file of uint32s for read only access.
-func memoryMap(path string, lock bool) (*os.File, mmap.MMap, []uint32, error) {
-	file, err := os.OpenFile(path, os.O_RDONLY, 0644)
-	if err != nil {
-		return nil, nil, nil, err
-	}
-	mem, buffer, err := memoryMapFile(file, false)
-	if err != nil {
-		file.Close()
-		return nil, nil, nil, err
-	}
-	for i, magic := range dumpMagic {
-		if buffer[i] != magic {
-			mem.Unmap()
-			file.Close()
-			return nil, nil, nil, ErrInvalidDumpMagic
-		}
-	}
-	if lock {
-		if err := mem.Lock(); err != nil {
-			mem.Unmap()
-			file.Close()
-			return nil, nil, nil, err
-		}
-	}
-	return file, mem, buffer[len(dumpMagic):], err
-}
-
-// memoryMapFile tries to memory map an already opened file descriptor.
-func memoryMapFile(file *os.File, write bool) (mmap.MMap, []uint32, error) {
-	// Try to memory map the file
-	flag := mmap.RDONLY
-	if write {
-		flag = mmap.RDWR
-	}
-	mem, err := mmap.Map(file, flag, 0)
-	if err != nil {
-		return nil, nil, err
-	}
-	// The file is now memory-mapped. Create a []uint32 view of the file.
-	var view []uint32
-	header := (*reflect.SliceHeader)(unsafe.Pointer(&view))
-	header.Data = (*reflect.SliceHeader)(unsafe.Pointer(&mem)).Data
-	header.Cap = len(mem) / 4
-	header.Len = header.Cap
-	return mem, view, nil
-}
-
-// memoryMapAndGenerate tries to memory map a temporary file of uint32s for write
-// access, fill it with the data from a generator and then move it into the final
-// path requested.
-func memoryMapAndGenerate(path string, size uint64, lock bool, generator func(buffer []uint32)) (*os.File, mmap.MMap, []uint32, error) {
-	// Ensure the data folder exists
-	if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
-		return nil, nil, nil, err
-	}
-	// Create a huge temporary empty file to fill with data
-	temp := path + "." + strconv.Itoa(rand.Int())
-
-	dump, err := os.Create(temp)
-	if err != nil {
-		return nil, nil, nil, err
-	}
-	if err = ensureSize(dump, int64(len(dumpMagic))*4+int64(size)); err != nil {
-		dump.Close()
-		os.Remove(temp)
-		return nil, nil, nil, err
-	}
-	// Memory map the file for writing and fill it with the generator
-	mem, buffer, err := memoryMapFile(dump, true)
-	if err != nil {
-		dump.Close()
-		os.Remove(temp)
-		return nil, nil, nil, err
-	}
-	copy(buffer, dumpMagic)
-
-	data := buffer[len(dumpMagic):]
-	generator(data)
-
-	if err := mem.Unmap(); err != nil {
-		return nil, nil, nil, err
-	}
-	if err := dump.Close(); err != nil {
-		return nil, nil, nil, err
-	}
-	if err := os.Rename(temp, path); err != nil {
-		return nil, nil, nil, err
-	}
-	return memoryMap(path, lock)
-}
-
-type cacheOrDataset interface {
-	*cache | *dataset
-}
-
-// lru tracks caches or datasets by their last use time, keeping at most N of them.
-type lru[T cacheOrDataset] struct {
-	what string
-	new  func(epoch uint64) T
-	mu   sync.Mutex
-	// Items are kept in a LRU cache, but there is a special case:
-	// We always keep an item for (highest seen epoch) + 1 as the 'future item'.
-	cache      lrupkg.BasicLRU[uint64, T]
-	future     uint64
-	futureItem T
-}
-
-// newlru create a new least-recently-used cache for either the verification caches
-// or the mining datasets.
-func newlru[T cacheOrDataset](maxItems int, new func(epoch uint64) T) *lru[T] {
-	var what string
-	switch any(T(nil)).(type) {
-	case *cache:
-		what = "cache"
-	case *dataset:
-		what = "dataset"
-	default:
-		panic("unknown type")
-	}
-	return &lru[T]{
-		what:  what,
-		new:   new,
-		cache: lrupkg.NewBasicLRU[uint64, T](maxItems),
-	}
-}
-
-// get retrieves or creates an item for the given epoch. The first return value is always
-// non-nil. The second return value is non-nil if lru thinks that an item will be useful in
-// the near future.
-func (lru *lru[T]) get(epoch uint64) (item, future T) {
-	lru.mu.Lock()
-	defer lru.mu.Unlock()
-
-	// Get or create the item for the requested epoch.
-	item, ok := lru.cache.Get(epoch)
-	if !ok {
-		if lru.future > 0 && lru.future == epoch {
-			item = lru.futureItem
-		} else {
-			log.Trace("Requiring new ethash "+lru.what, "epoch", epoch)
-			item = lru.new(epoch)
-		}
-		lru.cache.Add(epoch, item)
-	}
-	// Update the 'future item' if epoch is larger than previously seen.
-	if epoch < maxEpoch-1 && lru.future < epoch+1 {
-		log.Trace("Requiring new future ethash "+lru.what, "epoch", epoch+1)
-		future = lru.new(epoch + 1)
-		lru.future = epoch + 1
-		lru.futureItem = future
-	}
-	return item, future
-}
-
-// cache wraps an ethash cache with some metadata to allow easier concurrent use.
-type cache struct {
-	epoch uint64    // Epoch for which this cache is relevant
-	dump  *os.File  // File descriptor of the memory mapped cache
-	mmap  mmap.MMap // Memory map itself to unmap before releasing
-	cache []uint32  // The actual cache data content (may be memory mapped)
-	once  sync.Once // Ensures the cache is generated only once
-}
-
-// newCache creates a new ethash verification cache.
-func newCache(epoch uint64) *cache {
-	return &cache{epoch: epoch}
-}
-
-// generate ensures that the cache content is generated before use.
-func (c *cache) generate(dir string, limit int, lock bool, test bool) {
-	c.once.Do(func() {
-		size := cacheSize(c.epoch*epochLength + 1)
-		seed := seedHash(c.epoch*epochLength + 1)
-		if test {
-			size = 1024
-		}
-		// If we don't store anything on disk, generate and return.
-		if dir == "" {
-			c.cache = make([]uint32, size/4)
-			generateCache(c.cache, c.epoch, seed)
-			return
-		}
-		// Disk storage is needed, this will get fancy
-		var endian string
-		if !isLittleEndian() {
-			endian = ".be"
-		}
-		path := filepath.Join(dir, fmt.Sprintf("cache-R%d-%x%s", algorithmRevision, seed[:8], endian))
-		logger := log.New("epoch", c.epoch)
-
-		// We're about to mmap the file, ensure that the mapping is cleaned up when the
-		// cache becomes unused.
-		runtime.SetFinalizer(c, (*cache).finalizer)
-
-		// Try to load the file from disk and memory map it
-		var err error
-		c.dump, c.mmap, c.cache, err = memoryMap(path, lock)
-		if err == nil {
-			logger.Debug("Loaded old ethash cache from disk")
-			return
-		}
-		logger.Debug("Failed to load old ethash cache", "err", err)
-
-		// No previous cache available, create a new cache file to fill
-		c.dump, c.mmap, c.cache, err = memoryMapAndGenerate(path, size, lock, func(buffer []uint32) { generateCache(buffer, c.epoch, seed) })
-		if err != nil {
-			logger.Error("Failed to generate mapped ethash cache", "err", err)
-
-			c.cache = make([]uint32, size/4)
-			generateCache(c.cache, c.epoch, seed)
-		}
-		// Iterate over all previous instances and delete old ones
-		for ep := int(c.epoch) - limit; ep >= 0; ep-- {
-			seed := seedHash(uint64(ep)*epochLength + 1)
-			path := filepath.Join(dir, fmt.Sprintf("cache-R%d-%x%s*", algorithmRevision, seed[:8], endian))
-			files, _ := filepath.Glob(path) // find also the temp files that are generated.
-			for _, file := range files {
-				os.Remove(file)
-			}
-		}
-	})
-}
-
-// finalizer unmaps the memory and closes the file.
-func (c *cache) finalizer() {
-	if c.mmap != nil {
-		c.mmap.Unmap()
-		c.dump.Close()
-		c.mmap, c.dump = nil, nil
-	}
-}
-
-// dataset wraps an ethash dataset with some metadata to allow easier concurrent use.
-type dataset struct {
-	epoch   uint64      // Epoch for which this cache is relevant
-	dump    *os.File    // File descriptor of the memory mapped cache
-	mmap    mmap.MMap   // Memory map itself to unmap before releasing
-	dataset []uint32    // The actual cache data content
-	once    sync.Once   // Ensures the cache is generated only once
-	done    atomic.Bool // Atomic flag to determine generation status
-}
-
-// newDataset creates a new ethash mining dataset and returns it as a plain Go
-// interface to be usable in an LRU cache.
-func newDataset(epoch uint64) *dataset {
-	return &dataset{epoch: epoch}
-}
-
-// generate ensures that the dataset content is generated before use.
-func (d *dataset) generate(dir string, limit int, lock bool, test bool) {
-	d.once.Do(func() {
-		// Mark the dataset generated after we're done. This is needed for remote
-		defer d.done.Store(true)
-
-		csize := cacheSize(d.epoch*epochLength + 1)
-		dsize := datasetSize(d.epoch*epochLength + 1)
-		seed := seedHash(d.epoch*epochLength + 1)
-		if test {
-			csize = 1024
-			dsize = 32 * 1024
-		}
-		// If we don't store anything on disk, generate and return
-		if dir == "" {
-			cache := make([]uint32, csize/4)
-			generateCache(cache, d.epoch, seed)
-
-			d.dataset = make([]uint32, dsize/4)
-			generateDataset(d.dataset, d.epoch, cache)
-
-			return
-		}
-		// Disk storage is needed, this will get fancy
-		var endian string
-		if !isLittleEndian() {
-			endian = ".be"
-		}
-		path := filepath.Join(dir, fmt.Sprintf("full-R%d-%x%s", algorithmRevision, seed[:8], endian))
-		logger := log.New("epoch", d.epoch)
-
-		// We're about to mmap the file, ensure that the mapping is cleaned up when the
-		// cache becomes unused.
-		runtime.SetFinalizer(d, (*dataset).finalizer)
-
-		// Try to load the file from disk and memory map it
-		var err error
-		d.dump, d.mmap, d.dataset, err = memoryMap(path, lock)
-		if err == nil {
-			logger.Debug("Loaded old ethash dataset from disk")
-			return
-		}
-		logger.Debug("Failed to load old ethash dataset", "err", err)
-
-		// No previous dataset available, create a new dataset file to fill
-		cache := make([]uint32, csize/4)
-		generateCache(cache, d.epoch, seed)
-
-		d.dump, d.mmap, d.dataset, err = memoryMapAndGenerate(path, dsize, lock, func(buffer []uint32) { generateDataset(buffer, d.epoch, cache) })
-		if err != nil {
-			logger.Error("Failed to generate mapped ethash dataset", "err", err)
-
-			d.dataset = make([]uint32, dsize/4)
-			generateDataset(d.dataset, d.epoch, cache)
-		}
-		// Iterate over all previous instances and delete old ones
-		for ep := int(d.epoch) - limit; ep >= 0; ep-- {
-			seed := seedHash(uint64(ep)*epochLength + 1)
-			path := filepath.Join(dir, fmt.Sprintf("full-R%d-%x%s", algorithmRevision, seed[:8], endian))
-			os.Remove(path)
-		}
-	})
-}
-
-// generated returns whether this particular dataset finished generating already
-// or not (it may not have been started at all). This is useful for remote miners
-// to default to verification caches instead of blocking on DAG generations.
-func (d *dataset) generated() bool {
-	return d.done.Load()
-}
-
-// finalizer closes any file handlers and memory maps open.
-func (d *dataset) finalizer() {
-	if d.mmap != nil {
-		d.mmap.Unmap()
-		d.dump.Close()
-		d.mmap, d.dump = nil, nil
-	}
-}
-
-// MakeCache generates a new ethash cache and optionally stores it to disk.
-func MakeCache(block uint64, dir string) {
-	c := cache{epoch: block / epochLength}
-	c.generate(dir, math.MaxInt32, false, false)
-}
-
-// MakeDataset generates a new ethash dataset and optionally stores it to disk.
-func MakeDataset(block uint64, dir string) {
-	d := dataset{epoch: block / epochLength}
-	d.generate(dir, math.MaxInt32, false, false)
-}
-
-// Mode defines the type and amount of PoW verification an ethash engine makes.
-type Mode uint
-
-const (
-	ModeNormal Mode = iota
-	ModeShared
-	ModeTest
-	ModeFake
-	ModeFullFake
-)
-
-// Config are the configuration parameters of the ethash.
-type Config struct {
-	CacheDir         string
-	CachesInMem      int
-	CachesOnDisk     int
-	CachesLockMmap   bool
-	DatasetDir       string
-	DatasetsInMem    int
-	DatasetsOnDisk   int
-	DatasetsLockMmap bool
-	PowMode          Mode
-
-	// When set, notifications sent by the remote sealer will
-	// be block header JSON objects instead of work package arrays.
-	NotifyFull bool
-
-	Log log.Logger `toml:"-"`
-}
-
 // Ethash is a consensus engine based on proof-of-work implementing the ethash
 // algorithm.
 type Ethash struct {
-	config Config
-
-	caches   *lru[*cache]   // In memory caches to avoid regenerating too often
-	datasets *lru[*dataset] // In memory datasets to avoid regenerating too often
-
-	// Mining related fields
-	rand     *rand.Rand    // Properly seeded random source for nonces
-	threads  int           // Number of threads to mine on if mining
-	update   chan struct{} // Notification channel to update mining parameters
-	hashrate metrics.Meter // Meter tracking the average hashrate
-	remote   *remoteSealer
-
-	// The fields below are hooks for testing
-	shared    *Ethash       // Shared PoW verifier to avoid cache regeneration
-	fakeFail  uint64        // Block number which fails PoW check even in fake mode
-	fakeDelay time.Duration // Time delay to sleep for before returning from verify
-
-	lock      sync.Mutex // Ensures thread safety for the in-memory caches and mining fields
-	closeOnce sync.Once  // Ensures exit channel will not be closed twice.
-}
-
-// New creates a full sized ethash PoW scheme and starts a background thread for
-// remote mining, also optionally notifying a batch of remote services of new work
-// packages.
-func New(config Config, notify []string, noverify bool) *Ethash {
-	if config.Log == nil {
-		config.Log = log.Root()
-	}
-	if config.CachesInMem <= 0 {
-		config.Log.Warn("One ethash cache must always be in memory", "requested", config.CachesInMem)
-		config.CachesInMem = 1
-	}
-	if config.CacheDir != "" && config.CachesOnDisk > 0 {
-		config.Log.Info("Disk storage enabled for ethash caches", "dir", config.CacheDir, "count", config.CachesOnDisk)
-	}
-	if config.DatasetDir != "" && config.DatasetsOnDisk > 0 {
-		config.Log.Info("Disk storage enabled for ethash DAGs", "dir", config.DatasetDir, "count", config.DatasetsOnDisk)
-	}
-	ethash := &Ethash{
-		config:   config,
-		caches:   newlru(config.CachesInMem, newCache),
-		datasets: newlru(config.DatasetsInMem, newDataset),
-		update:   make(chan struct{}),
-		hashrate: metrics.NewMeterForced(),
-	}
-	if config.PowMode == ModeShared {
-		ethash.shared = sharedEthash
-	}
-	ethash.remote = startRemoteSealer(ethash, notify, noverify)
-	return ethash
+	fakeFail  *uint64        // Block number which fails PoW check even in fake mode
+	fakeDelay *time.Duration // Time delay to sleep for before returning from verify
+	fakeFull  bool           // Accepts everything as valid
 }
 
-// NewTester creates a small sized ethash PoW scheme useful only for testing
-// purposes.
-func NewTester(notify []string, noverify bool) *Ethash {
-	return New(Config{PowMode: ModeTest}, notify, noverify)
-}
-
-// NewFaker creates a ethash consensus engine with a fake PoW scheme that accepts
+// NewFaker creates an ethash consensus engine with a fake PoW scheme that accepts
 // all blocks' seal as valid, though they still have to conform to the Ethereum
 // consensus rules.
 func NewFaker() *Ethash {
-	return &Ethash{
-		config: Config{
-			PowMode: ModeFake,
-			Log:     log.Root(),
-		},
-	}
+	return new(Ethash)
 }
 
 // NewFakeFailer creates a ethash consensus engine with a fake PoW scheme that
@@ -522,11 +45,7 @@ func NewFaker() *Ethash {
 // still have to conform to the Ethereum consensus rules.
 func NewFakeFailer(fail uint64) *Ethash {
 	return &Ethash{
-		config: Config{
-			PowMode: ModeFake,
-			Log:     log.Root(),
-		},
-		fakeFail: fail,
+		fakeFail: &fail,
 	}
 }
 
@@ -535,11 +54,7 @@ func NewFakeFailer(fail uint64) *Ethash {
 // they still have to conform to the Ethereum consensus rules.
 func NewFakeDelayer(delay time.Duration) *Ethash {
 	return &Ethash{
-		config: Config{
-			PowMode: ModeFake,
-			Log:     log.Root(),
-		},
-		fakeDelay: delay,
+		fakeDelay: &delay,
 	}
 }
 
@@ -547,154 +62,24 @@ func NewFakeDelayer(delay time.Duration) *Ethash {
 // accepts all blocks as valid, without checking any consensus rules whatsoever.
 func NewFullFaker() *Ethash {
 	return &Ethash{
-		config: Config{
-			PowMode: ModeFullFake,
-			Log:     log.Root(),
-		},
+		fakeFull: true,
 	}
 }
 
-// NewShared creates a full sized ethash PoW shared between all requesters running
-// in the same process.
-func NewShared() *Ethash {
-	return &Ethash{shared: sharedEthash}
-}
-
 // Close closes the exit channel to notify all backend threads exiting.
 func (ethash *Ethash) Close() error {
-	return ethash.StopRemoteSealer()
-}
-
-// StopRemoteSealer stops the remote sealer
-func (ethash *Ethash) StopRemoteSealer() error {
-	ethash.closeOnce.Do(func() {
-		// Short circuit if the exit channel is not allocated.
-		if ethash.remote == nil {
-			return
-		}
-		close(ethash.remote.requestExit)
-		<-ethash.remote.exitCh
-	})
 	return nil
 }
 
-// cache tries to retrieve a verification cache for the specified block number
-// by first checking against a list of in-memory caches, then against caches
-// stored on disk, and finally generating one if none can be found.
-func (ethash *Ethash) cache(block uint64) *cache {
-	epoch := block / epochLength
-	current, future := ethash.caches.get(epoch)
-
-	// Wait for generation finish.
-	current.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest)
-
-	// If we need a new future cache, now's a good time to regenerate it.
-	if future != nil {
-		go future.generate(ethash.config.CacheDir, ethash.config.CachesOnDisk, ethash.config.CachesLockMmap, ethash.config.PowMode == ModeTest)
-	}
-	return current
-}
-
-// dataset tries to retrieve a mining dataset for the specified block number
-// by first checking against a list of in-memory datasets, then against DAGs
-// stored on disk, and finally generating one if none can be found.
-//
-// If async is specified, not only the future but the current DAG is also
-// generates on a background thread.
-func (ethash *Ethash) dataset(block uint64, async bool) *dataset {
-	// Retrieve the requested ethash dataset
-	epoch := block / epochLength
-	current, future := ethash.datasets.get(epoch)
-
-	// If async is specified, generate everything in a background thread
-	if async && !current.generated() {
-		go func() {
-			current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
-			if future != nil {
-				future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
-			}
-		}()
-	} else {
-		// Either blocking generation was requested, or already done
-		current.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
-		if future != nil {
-			go future.generate(ethash.config.DatasetDir, ethash.config.DatasetsOnDisk, ethash.config.DatasetsLockMmap, ethash.config.PowMode == ModeTest)
-		}
-	}
-	return current
-}
-
-// Threads returns the number of mining threads currently enabled. This doesn't
-// necessarily mean that mining is running!
-func (ethash *Ethash) Threads() int {
-	ethash.lock.Lock()
-	defer ethash.lock.Unlock()
-
-	return ethash.threads
-}
-
-// SetThreads updates the number of mining threads currently enabled. Calling
-// this method does not start mining, only sets the thread count. If zero is
-// specified, the miner will use all cores of the machine. Setting a thread
-// count below zero is allowed and will cause the miner to idle, without any
-// work being done.
-func (ethash *Ethash) SetThreads(threads int) {
-	ethash.lock.Lock()
-	defer ethash.lock.Unlock()
-
-	// If we're running a shared PoW, set the thread count on that instead
-	if ethash.shared != nil {
-		ethash.shared.SetThreads(threads)
-		return
-	}
-	// Update the threads and ping any running seal to pull in any changes
-	ethash.threads = threads
-	select {
-	case ethash.update <- struct{}{}:
-	default:
-	}
-}
-
-// Hashrate implements PoW, returning the measured rate of the search invocations
-// per second over the last minute.
-// Note the returned hashrate includes local hashrate, but also includes the total
-// hashrate of all remote miner.
-func (ethash *Ethash) Hashrate() float64 {
-	// Short circuit if we are run the ethash in normal/test mode.
-	if ethash.config.PowMode != ModeNormal && ethash.config.PowMode != ModeTest {
-		return ethash.hashrate.Rate1()
-	}
-	var res = make(chan uint64, 1)
-
-	select {
-	case ethash.remote.fetchRateCh <- res:
-	case <-ethash.remote.exitCh:
-		// Return local hashrate only if ethash is stopped.
-		return ethash.hashrate.Rate1()
-	}
-
-	// Gather total submitted hash rate of remote sealers.
-	return ethash.hashrate.Rate1() + float64(<-res)
-}
-
-// APIs implements consensus.Engine, returning the user facing RPC APIs.
+// APIs implements consensus.Engine, returning no APIs as ethash is an empty
+// shell in the post-merge world.
 func (ethash *Ethash) APIs(chain consensus.ChainHeaderReader) []rpc.API {
-	// In order to ensure backward compatibility, we exposes ethash RPC APIs
-	// to both eth and ethash namespaces.
-	return []rpc.API{
-		{
-			Namespace: "eth",
-			Service:   &API{ethash},
-		},
-		{
-			Namespace: "ethash",
-			Service:   &API{ethash},
-		},
-	}
+	return []rpc.API{}
 }
 
-// SeedHash is the seed to use for generating a verification cache and the mining
-// dataset.
-func SeedHash(block uint64) []byte {
-	return seedHash(block)
+// Seal generates a new sealing request for the given input block and pushes
+// the result into the given channel. For the ethash engine, this method will
+// just panic as sealing is not supported anymore.
+func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
+	panic("ethash (pow) sealing not supported any more")
 }

consensus/ethash/ethash_test.go

@@ -1,177 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ethash
-
-import (
-	"math/big"
-	"math/rand"
-	"os"
-	"sync"
-	"testing"
-	"time"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/core/types"
-)
-
-// Tests that ethash works correctly in test mode.
-func TestTestMode(t *testing.T) {
-	header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
-
-	ethash := NewTester(nil, false)
-	defer ethash.Close()
-
-	results := make(chan *types.Block)
-	err := ethash.Seal(nil, types.NewBlockWithHeader(header), results, nil)
-	if err != nil {
-		t.Fatalf("failed to seal block: %v", err)
-	}
-	select {
-	case block := <-results:
-		header.Nonce = types.EncodeNonce(block.Nonce())
-		header.MixDigest = block.MixDigest()
-		if err := ethash.verifySeal(nil, header, false); err != nil {
-			t.Fatalf("unexpected verification error: %v", err)
-		}
-	case <-time.NewTimer(4 * time.Second).C:
-		t.Error("sealing result timeout")
-	}
-}
-
-// This test checks that cache lru logic doesn't crash under load.
-// It reproduces https://github.com/ethereum/go-ethereum/issues/14943
-func TestCacheFileEvict(t *testing.T) {
-	// TODO: t.TempDir fails to remove the directory on Windows
-	// \AppData\Local\Temp\1\TestCacheFileEvict2179435125\001\cache-R23-0000000000000000: Access is denied.
-	tmpdir, err := os.MkdirTemp("", "ethash-test")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer os.RemoveAll(tmpdir)
-
-	config := Config{
-		CachesInMem:  3,
-		CachesOnDisk: 10,
-		CacheDir:     tmpdir,
-		PowMode:      ModeTest,
-	}
-	e := New(config, nil, false)
-	defer e.Close()
-
-	workers := 8
-	epochs := 100
-	var wg sync.WaitGroup
-	wg.Add(workers)
-	for i := 0; i < workers; i++ {
-		go verifyTest(&wg, e, i, epochs)
-	}
-	wg.Wait()
-}
-
-func verifyTest(wg *sync.WaitGroup, e *Ethash, workerIndex, epochs int) {
-	defer wg.Done()
-
-	const wiggle = 4 * epochLength
-	r := rand.New(rand.NewSource(int64(workerIndex)))
-	for epoch := 0; epoch < epochs; epoch++ {
-		block := int64(epoch)*epochLength - wiggle/2 + r.Int63n(wiggle)
-		if block < 0 {
-			block = 0
-		}
-		header := &types.Header{Number: big.NewInt(block), Difficulty: big.NewInt(100)}
-		e.verifySeal(nil, header, false)
-	}
-}
-
-func TestRemoteSealer(t *testing.T) {
-	ethash := NewTester(nil, false)
-	defer ethash.Close()
-
-	api := &API{ethash}
-	if _, err := api.GetWork(); err != errNoMiningWork {
-		t.Error("expect to return an error indicate there is no mining work")
-	}
-	header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
-	block := types.NewBlockWithHeader(header)
-	sealhash := ethash.SealHash(header)
-
-	// Push new work.
-	results := make(chan *types.Block)
-	ethash.Seal(nil, block, results, nil)
-
-	var (
-		work [4]string
-		err  error
-	)
-	if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() {
-		t.Error("expect to return a mining work has same hash")
-	}
-
-	if res := api.SubmitWork(types.BlockNonce{}, sealhash, common.Hash{}); res {
-		t.Error("expect to return false when submit a fake solution")
-	}
-	// Push new block with same block number to replace the original one.
-	header = &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(1000)}
-	block = types.NewBlockWithHeader(header)
-	sealhash = ethash.SealHash(header)
-	ethash.Seal(nil, block, results, nil)
-
-	if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() {
-		t.Error("expect to return the latest pushed work")
-	}
-}
-
-func TestHashrate(t *testing.T) {
-	var (
-		hashrate = []hexutil.Uint64{100, 200, 300}
-		expect   uint64
-		ids      = []common.Hash{common.HexToHash("a"), common.HexToHash("b"), common.HexToHash("c")}
-	)
-	ethash := NewTester(nil, false)
-	defer ethash.Close()
-
-	if tot := ethash.Hashrate(); tot != 0 {
-		t.Error("expect the result should be zero")
-	}
-
-	api := &API{ethash}
-	for i := 0; i < len(hashrate); i += 1 {
-		if res := api.SubmitHashrate(hashrate[i], ids[i]); !res {
-			t.Error("remote miner submit hashrate failed")
-		}
-		expect += uint64(hashrate[i])
-	}
-	if tot := ethash.Hashrate(); tot != float64(expect) {
-		t.Error("expect total hashrate should be same")
-	}
-}
-
-func TestClosedRemoteSealer(t *testing.T) {
-	ethash := NewTester(nil, false)
-	time.Sleep(1 * time.Second) // ensure exit channel is listening
-	ethash.Close()
-
-	api := &API{ethash}
-	if _, err := api.GetWork(); err != errEthashStopped {
-		t.Error("expect to return an error to indicate ethash is stopped")
-	}
-
-	if res := api.SubmitHashrate(hexutil.Uint64(100), common.HexToHash("a")); res {
-		t.Error("expect to return false when submit hashrate to a stopped ethash")
-	}
-}

consensus/ethash/mmap_help_other.go

@@ -1,36 +0,0 @@
-// Copyright 2021 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-//go:build !linux
-// +build !linux
-
-package ethash
-
-import (
-	"os"
-)
-
-// ensureSize expands the file to the given size. This is to prevent runtime
-// errors later on, if the underlying file expands beyond the disk capacity,
-// even though it ostensibly is already expanded, but due to being sparse
-// does not actually occupy the full declared size on disk.
-func ensureSize(f *os.File, size int64) error {
-	// On systems which do not support fallocate, we merely truncate it.
-	// More robust alternatives  would be to
-	// - Use posix_fallocate, or
-	// - explicitly fill the file with zeroes.
-	return f.Truncate(size)
-}

consensus/ethash/sealer.go

@@ -1,451 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ethash
-
-import (
-	"bytes"
-	"context"
-	crand "crypto/rand"
-	"encoding/json"
-	"errors"
-	"math"
-	"math/big"
-	"math/rand"
-	"net/http"
-	"runtime"
-	"sync"
-	"time"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/consensus"
-	"github.com/ethereum/go-ethereum/core/types"
-)
-
-const (
-	// staleThreshold is the maximum depth of the acceptable stale but valid ethash solution.
-	staleThreshold = 7
-)
-
-var (
-	errNoMiningWork      = errors.New("no mining work available yet")
-	errInvalidSealResult = errors.New("invalid or stale proof-of-work solution")
-)
-
-// Seal implements consensus.Engine, attempting to find a nonce that satisfies
-// the block's difficulty requirements.
-func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
-	// If we're running a fake PoW, simply return a 0 nonce immediately
-	if ethash.config.PowMode == ModeFake || ethash.config.PowMode == ModeFullFake {
-		header := block.Header()
-		header.Nonce, header.MixDigest = types.BlockNonce{}, common.Hash{}
-		select {
-		case results <- block.WithSeal(header):
-		default:
-			ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "fake", "sealhash", ethash.SealHash(block.Header()))
-		}
-		return nil
-	}
-	// If we're running a shared PoW, delegate sealing to it
-	if ethash.shared != nil {
-		return ethash.shared.Seal(chain, block, results, stop)
-	}
-	// Create a runner and the multiple search threads it directs
-	abort := make(chan struct{})
-
-	ethash.lock.Lock()
-	threads := ethash.threads
-	if ethash.rand == nil {
-		seed, err := crand.Int(crand.Reader, big.NewInt(math.MaxInt64))
-		if err != nil {
-			ethash.lock.Unlock()
-			return err
-		}
-		ethash.rand = rand.New(rand.NewSource(seed.Int64()))
-	}
-	ethash.lock.Unlock()
-	if threads == 0 {
-		threads = runtime.NumCPU()
-	}
-	if threads < 0 {
-		threads = 0 // Allows disabling local mining without extra logic around local/remote
-	}
-	// Push new work to remote sealer
-	if ethash.remote != nil {
-		ethash.remote.workCh <- &sealTask{block: block, results: results}
-	}
-	var (
-		pend   sync.WaitGroup
-		locals = make(chan *types.Block)
-	)
-	for i := 0; i < threads; i++ {
-		pend.Add(1)
-		go func(id int, nonce uint64) {
-			defer pend.Done()
-			ethash.mine(block, id, nonce, abort, locals)
-		}(i, uint64(ethash.rand.Int63()))
-	}
-	// Wait until sealing is terminated or a nonce is found
-	go func() {
-		var result *types.Block
-		select {
-		case <-stop:
-			// Outside abort, stop all miner threads
-			close(abort)
-		case result = <-locals:
-			// One of the threads found a block, abort all others
-			select {
-			case results <- result:
-			default:
-				ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "local", "sealhash", ethash.SealHash(block.Header()))
-			}
-			close(abort)
-		case <-ethash.update:
-			// Thread count was changed on user request, restart
-			close(abort)
-			if err := ethash.Seal(chain, block, results, stop); err != nil {
-				ethash.config.Log.Error("Failed to restart sealing after update", "err", err)
-			}
-		}
-		// Wait for all miners to terminate and return the block
-		pend.Wait()
-	}()
-	return nil
-}
-
-// mine is the actual proof-of-work miner that searches for a nonce starting from
-// seed that results in correct final block difficulty.
-func (ethash *Ethash) mine(block *types.Block, id int, seed uint64, abort chan struct{}, found chan *types.Block) {
-	// Extract some data from the header
-	var (
-		header  = block.Header()
-		hash    = ethash.SealHash(header).Bytes()
-		target  = new(big.Int).Div(two256, header.Difficulty)
-		number  = header.Number.Uint64()
-		dataset = ethash.dataset(number, false)
-	)
-	// Start generating random nonces until we abort or find a good one
-	var (
-		attempts  = int64(0)
-		nonce     = seed
-		powBuffer = new(big.Int)
-	)
-	logger := ethash.config.Log.New("miner", id)
-	logger.Trace("Started ethash search for new nonces", "seed", seed)
-search:
-	for {
-		select {
-		case <-abort:
-			// Mining terminated, update stats and abort
-			logger.Trace("Ethash nonce search aborted", "attempts", nonce-seed)
-			ethash.hashrate.Mark(attempts)
-			break search
-
-		default:
-			// We don't have to update hash rate on every nonce, so update after after 2^X nonces
-			attempts++
-			if (attempts % (1 << 15)) == 0 {
-				ethash.hashrate.Mark(attempts)
-				attempts = 0
-			}
-			// Compute the PoW value of this nonce
-			digest, result := hashimotoFull(dataset.dataset, hash, nonce)
-			if powBuffer.SetBytes(result).Cmp(target) <= 0 {
-				// Correct nonce found, create a new header with it
-				header = types.CopyHeader(header)
-				header.Nonce = types.EncodeNonce(nonce)
-				header.MixDigest = common.BytesToHash(digest)
-
-				// Seal and return a block (if still needed)
-				select {
-				case found <- block.WithSeal(header):
-					logger.Trace("Ethash nonce found and reported", "attempts", nonce-seed, "nonce", nonce)
-				case <-abort:
-					logger.Trace("Ethash nonce found but discarded", "attempts", nonce-seed, "nonce", nonce)
-				}
-				break search
-			}
-			nonce++
-		}
-	}
-	// Datasets are unmapped in a finalizer. Ensure that the dataset stays live
-	// during sealing so it's not unmapped while being read.
-	runtime.KeepAlive(dataset)
-}
-
-// This is the timeout for HTTP requests to notify external miners.
-const remoteSealerTimeout = 1 * time.Second
-
-type remoteSealer struct {
-	works        map[common.Hash]*types.Block
-	rates        map[common.Hash]hashrate
-	currentBlock *types.Block
-	currentWork  [4]string
-	notifyCtx    context.Context
-	cancelNotify context.CancelFunc // cancels all notification requests
-	reqWG        sync.WaitGroup     // tracks notification request goroutines
-
-	ethash       *Ethash
-	noverify     bool
-	notifyURLs   []string
-	results      chan<- *types.Block
-	workCh       chan *sealTask   // Notification channel to push new work and relative result channel to remote sealer
-	fetchWorkCh  chan *sealWork   // Channel used for remote sealer to fetch mining work
-	submitWorkCh chan *mineResult // Channel used for remote sealer to submit their mining result
-	fetchRateCh  chan chan uint64 // Channel used to gather submitted hash rate for local or remote sealer.
-	submitRateCh chan *hashrate   // Channel used for remote sealer to submit their mining hashrate
-	requestExit  chan struct{}
-	exitCh       chan struct{}
-}
-
-// sealTask wraps a seal block with relative result channel for remote sealer thread.
-type sealTask struct {
-	block   *types.Block
-	results chan<- *types.Block
-}
-
-// mineResult wraps the pow solution parameters for the specified block.
-type mineResult struct {
-	nonce     types.BlockNonce
-	mixDigest common.Hash
-	hash      common.Hash
-
-	errc chan error
-}
-
-// hashrate wraps the hash rate submitted by the remote sealer.
-type hashrate struct {
-	id   common.Hash
-	ping time.Time
-	rate uint64
-
-	done chan struct{}
-}
-
-// sealWork wraps a seal work package for remote sealer.
-type sealWork struct {
-	errc chan error
-	res  chan [4]string
-}
-
-func startRemoteSealer(ethash *Ethash, urls []string, noverify bool) *remoteSealer {
-	ctx, cancel := context.WithCancel(context.Background())
-	s := &remoteSealer{
-		ethash:       ethash,
-		noverify:     noverify,
-		notifyURLs:   urls,
-		notifyCtx:    ctx,
-		cancelNotify: cancel,
-		works:        make(map[common.Hash]*types.Block),
-		rates:        make(map[common.Hash]hashrate),
-		workCh:       make(chan *sealTask),
-		fetchWorkCh:  make(chan *sealWork),
-		submitWorkCh: make(chan *mineResult),
-		fetchRateCh:  make(chan chan uint64),
-		submitRateCh: make(chan *hashrate),
-		requestExit:  make(chan struct{}),
-		exitCh:       make(chan struct{}),
-	}
-	go s.loop()
-	return s
-}
-
-func (s *remoteSealer) loop() {
-	defer func() {
-		s.ethash.config.Log.Trace("Ethash remote sealer is exiting")
-		s.cancelNotify()
-		s.reqWG.Wait()
-		close(s.exitCh)
-	}()
-
-	ticker := time.NewTicker(5 * time.Second)
-	defer ticker.Stop()
-
-	for {
-		select {
-		case work := <-s.workCh:
-			// Update current work with new received block.
-			// Note same work can be past twice, happens when changing CPU threads.
-			s.results = work.results
-			s.makeWork(work.block)
-			s.notifyWork()
-
-		case work := <-s.fetchWorkCh:
-			// Return current mining work to remote miner.
-			if s.currentBlock == nil {
-				work.errc <- errNoMiningWork
-			} else {
-				work.res <- s.currentWork
-			}
-
-		case result := <-s.submitWorkCh:
-			// Verify submitted PoW solution based on maintained mining blocks.
-			if s.submitWork(result.nonce, result.mixDigest, result.hash) {
-				result.errc <- nil
-			} else {
-				result.errc <- errInvalidSealResult
-			}
-
-		case result := <-s.submitRateCh:
-			// Trace remote sealer's hash rate by submitted value.
-			s.rates[result.id] = hashrate{rate: result.rate, ping: time.Now()}
-			close(result.done)
-
-		case req := <-s.fetchRateCh:
-			// Gather all hash rate submitted by remote sealer.
-			var total uint64
-			for _, rate := range s.rates {
-				// this could overflow
-				total += rate.rate
-			}
-			req <- total
-
-		case <-ticker.C:
-			// Clear stale submitted hash rate.
-			for id, rate := range s.rates {
-				if time.Since(rate.ping) > 10*time.Second {
-					delete(s.rates, id)
-				}
-			}
-			// Clear stale pending blocks
-			if s.currentBlock != nil {
-				for hash, block := range s.works {
-					if block.NumberU64()+staleThreshold <= s.currentBlock.NumberU64() {
-						delete(s.works, hash)
-					}
-				}
-			}
-
-		case <-s.requestExit:
-			return
-		}
-	}
-}
-
-// makeWork creates a work package for external miner.
-//
-// The work package consists of 3 strings:
-//
-//	result[0], 32 bytes hex encoded current block header pow-hash
-//	result[1], 32 bytes hex encoded seed hash used for DAG
-//	result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
-//	result[3], hex encoded block number
-func (s *remoteSealer) makeWork(block *types.Block) {
-	hash := s.ethash.SealHash(block.Header())
-	s.currentWork[0] = hash.Hex()
-	s.currentWork[1] = common.BytesToHash(SeedHash(block.NumberU64())).Hex()
-	s.currentWork[2] = common.BytesToHash(new(big.Int).Div(two256, block.Difficulty()).Bytes()).Hex()
-	s.currentWork[3] = hexutil.EncodeBig(block.Number())
-
-	// Trace the seal work fetched by remote sealer.
-	s.currentBlock = block
-	s.works[hash] = block
-}
-
-// notifyWork notifies all the specified mining endpoints of the availability of
-// new work to be processed.
-func (s *remoteSealer) notifyWork() {
-	work := s.currentWork
-
-	// Encode the JSON payload of the notification. When NotifyFull is set,
-	// this is the complete block header, otherwise it is a JSON array.
-	var blob []byte
-	if s.ethash.config.NotifyFull {
-		blob, _ = json.Marshal(s.currentBlock.Header())
-	} else {
-		blob, _ = json.Marshal(work)
-	}
-
-	s.reqWG.Add(len(s.notifyURLs))
-	for _, url := range s.notifyURLs {
-		go s.sendNotification(s.notifyCtx, url, blob, work)
-	}
-}
-
-func (s *remoteSealer) sendNotification(ctx context.Context, url string, json []byte, work [4]string) {
-	defer s.reqWG.Done()
-
-	req, err := http.NewRequest(http.MethodPost, url, bytes.NewReader(json))
-	if err != nil {
-		s.ethash.config.Log.Warn("Can't create remote miner notification", "err", err)
-		return
-	}
-	ctx, cancel := context.WithTimeout(ctx, remoteSealerTimeout)
-	defer cancel()
-	req = req.WithContext(ctx)
-	req.Header.Set("Content-Type", "application/json")
-
-	resp, err := http.DefaultClient.Do(req)
-	if err != nil {
-		s.ethash.config.Log.Warn("Failed to notify remote miner", "err", err)
-	} else {
-		s.ethash.config.Log.Trace("Notified remote miner", "miner", url, "hash", work[0], "target", work[2])
-		resp.Body.Close()
-	}
-}
-
-// submitWork verifies the submitted pow solution, returning
-// whether the solution was accepted or not (not can be both a bad pow as well as
-// any other error, like no pending work or stale mining result).
-func (s *remoteSealer) submitWork(nonce types.BlockNonce, mixDigest common.Hash, sealhash common.Hash) bool {
-	if s.currentBlock == nil {
-		s.ethash.config.Log.Error("Pending work without block", "sealhash", sealhash)
-		return false
-	}
-	// Make sure the work submitted is present
-	block := s.works[sealhash]
-	if block == nil {
-		s.ethash.config.Log.Warn("Work submitted but none pending", "sealhash", sealhash, "curnumber", s.currentBlock.NumberU64())
-		return false
-	}
-	// Verify the correctness of submitted result.
-	header := block.Header()
-	header.Nonce = nonce
-	header.MixDigest = mixDigest
-
-	start := time.Now()
-	if !s.noverify {
-		if err := s.ethash.verifySeal(nil, header, true); err != nil {
-			s.ethash.config.Log.Warn("Invalid proof-of-work submitted", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)), "err", err)
-			return false
-		}
-	}
-	// Make sure the result channel is assigned.
-	if s.results == nil {
-		s.ethash.config.Log.Warn("Ethash result channel is empty, submitted mining result is rejected")
-		return false
-	}
-	s.ethash.config.Log.Trace("Verified correct proof-of-work", "sealhash", sealhash, "elapsed", common.PrettyDuration(time.Since(start)))
-
-	// Solutions seems to be valid, return to the miner and notify acceptance.
-	solution := block.WithSeal(header)
-
-	// The submitted solution is within the scope of acceptance.
-	if solution.NumberU64()+staleThreshold > s.currentBlock.NumberU64() {
-		select {
-		case s.results <- solution:
-			s.ethash.config.Log.Debug("Work submitted is acceptable", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
-			return true
-		default:
-			s.ethash.config.Log.Warn("Sealing result is not read by miner", "mode", "remote", "sealhash", sealhash)
-			return false
-		}
-	}
-	// The submitted block is too old to accept, drop it.
-	s.ethash.config.Log.Warn("Work submitted is too old", "number", solution.NumberU64(), "sealhash", sealhash, "hash", solution.Hash())
-	return false
-}

consensus/ethash/sealer_test.go

@@ -1,298 +0,0 @@
-// Copyright 2018 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum 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 go-ethereum 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 go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ethash
-
-import (
-	"encoding/json"
-	"io"
-	"math/big"
-	"net/http"
-	"net/http/httptest"
-	"strconv"
-	"testing"
-	"time"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/internal/testlog"
-	"github.com/ethereum/go-ethereum/log"
-)
-
-// Tests whether remote HTTP servers are correctly notified of new work.
-func TestRemoteNotify(t *testing.T) {
-	// Start a simple web server to capture notifications.
-	sink := make(chan [3]string)
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		blob, err := io.ReadAll(req.Body)
-		if err != nil {
-			t.Errorf("failed to read miner notification: %v", err)
-		}
-		var work [3]string
-		if err := json.Unmarshal(blob, &work); err != nil {
-			t.Errorf("failed to unmarshal miner notification: %v", err)
-		}
-		sink <- work
-	}))
-	defer server.Close()
-
-	// Create the custom ethash engine.
-	ethash := NewTester([]string{server.URL}, false)
-	defer ethash.Close()
-
-	// Stream a work task and ensure the notification bubbles out.
-	header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
-	block := types.NewBlockWithHeader(header)
-
-	ethash.Seal(nil, block, nil, nil)
-	select {
-	case work := <-sink:
-		if want := ethash.SealHash(header).Hex(); work[0] != want {
-			t.Errorf("work packet hash mismatch: have %s, want %s", work[0], want)
-		}
-		if want := common.BytesToHash(SeedHash(header.Number.Uint64())).Hex(); work[1] != want {
-			t.Errorf("work packet seed mismatch: have %s, want %s", work[1], want)
-		}
-		target := new(big.Int).Div(new(big.Int).Lsh(big.NewInt(1), 256), header.Difficulty)
-		if want := common.BytesToHash(target.Bytes()).Hex(); work[2] != want {
-			t.Errorf("work packet target mismatch: have %s, want %s", work[2], want)
-		}
-	case <-time.After(3 * time.Second):
-		t.Fatalf("notification timed out")
-	}
-}
-
-// Tests whether remote HTTP servers are correctly notified of new work. (Full pending block body / --miner.notify.full)
-func TestRemoteNotifyFull(t *testing.T) {
-	// Start a simple web server to capture notifications.
-	sink := make(chan map[string]interface{})
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		blob, err := io.ReadAll(req.Body)
-		if err != nil {
-			t.Errorf("failed to read miner notification: %v", err)
-		}
-		var work map[string]interface{}
-		if err := json.Unmarshal(blob, &work); err != nil {
-			t.Errorf("failed to unmarshal miner notification: %v", err)
-		}
-		sink <- work
-	}))
-	defer server.Close()
-
-	// Create the custom ethash engine.
-	config := Config{
-		PowMode:    ModeTest,
-		NotifyFull: true,
-		Log:        testlog.Logger(t, log.LvlWarn),
-	}
-	ethash := New(config, []string{server.URL}, false)
-	defer ethash.Close()
-
-	// Stream a work task and ensure the notification bubbles out.
-	header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
-	block := types.NewBlockWithHeader(header)
-
-	ethash.Seal(nil, block, nil, nil)
-	select {
-	case work := <-sink:
-		if want := "0x" + strconv.FormatUint(header.Number.Uint64(), 16); work["number"] != want {
-			t.Errorf("pending block number mismatch: have %v, want %v", work["number"], want)
-		}
-		if want := "0x" + header.Difficulty.Text(16); work["difficulty"] != want {
-			t.Errorf("pending block difficulty mismatch: have %s, want %s", work["difficulty"], want)
-		}
-	case <-time.After(3 * time.Second):
-		t.Fatalf("notification timed out")
-	}
-}
-
-// Tests that pushing work packages fast to the miner doesn't cause any data race
-// issues in the notifications.
-func TestRemoteMultiNotify(t *testing.T) {
-	// Start a simple web server to capture notifications.
-	sink := make(chan [3]string, 64)
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		blob, err := io.ReadAll(req.Body)
-		if err != nil {
-			t.Errorf("failed to read miner notification: %v", err)
-		}
-		var work [3]string
-		if err := json.Unmarshal(blob, &work); err != nil {
-			t.Errorf("failed to unmarshal miner notification: %v", err)
-		}
-		sink <- work
-	}))
-	defer server.Close()
-
-	// Create the custom ethash engine.
-	ethash := NewTester([]string{server.URL}, false)
-	ethash.config.Log = testlog.Logger(t, log.LvlWarn)
-	defer ethash.Close()
-
-	// Provide a results reader.
-	// Otherwise the unread results will be logged asynchronously
-	// and this can happen after the test is finished, causing a panic.
-	results := make(chan *types.Block, cap(sink))
-
-	// Stream a lot of work task and ensure all the notifications bubble out.
-	for i := 0; i < cap(sink); i++ {
-		header := &types.Header{Number: big.NewInt(int64(i)), Difficulty: big.NewInt(100)}
-		block := types.NewBlockWithHeader(header)
-		ethash.Seal(nil, block, results, nil)
-	}
-
-	for i := 0; i < cap(sink); i++ {
-		select {
-		case <-sink:
-			<-results
-		case <-time.After(10 * time.Second):
-			t.Fatalf("notification %d timed out", i)
-		}
-	}
-}
-
-// Tests that pushing work packages fast to the miner doesn't cause any data race
-// issues in the notifications. Full pending block body / --miner.notify.full)
-func TestRemoteMultiNotifyFull(t *testing.T) {
-	// Start a simple web server to capture notifications.
-	sink := make(chan map[string]interface{}, 64)
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
-		blob, err := io.ReadAll(req.Body)
-		if err != nil {
-			t.Errorf("failed to read miner notification: %v", err)
-		}
-		var work map[string]interface{}
-		if err := json.Unmarshal(blob, &work); err != nil {
-			t.Errorf("failed to unmarshal miner notification: %v", err)
-		}
-		sink <- work
-	}))
-	defer server.Close()
-
-	// Create the custom ethash engine.
-	config := Config{
-		PowMode:    ModeTest,
-		NotifyFull: true,
-		Log:        testlog.Logger(t, log.LvlWarn),
-	}
-	ethash := New(config, []string{server.URL}, false)
-	defer ethash.Close()
-
-	// Provide a results reader.
-	// Otherwise the unread results will be logged asynchronously
-	// and this can happen after the test is finished, causing a panic.
-	results := make(chan *types.Block, cap(sink))
-
-	// Stream a lot of work task and ensure all the notifications bubble out.
-	for i := 0; i < cap(sink); i++ {
-		header := &types.Header{Number: big.NewInt(int64(i)), Difficulty: big.NewInt(100)}
-		block := types.NewBlockWithHeader(header)
-		ethash.Seal(nil, block, results, nil)
-	}
-
-	for i := 0; i < cap(sink); i++ {
-		select {
-		case <-sink:
-			<-results
-		case <-time.After(10 * time.Second):
-			t.Fatalf("notification %d timed out", i)
-		}
-	}
-}
-
-// Tests whether stale solutions are correctly processed.
-func TestStaleSubmission(t *testing.T) {
-	ethash := NewTester(nil, true)
-	defer ethash.Close()
-	api := &API{ethash}
-
-	fakeNonce, fakeDigest := types.BlockNonce{0x01, 0x02, 0x03}, common.HexToHash("deadbeef")
-
-	testcases := []struct {
-		headers     []*types.Header
-		submitIndex int
-		submitRes   bool
-	}{
-		// Case1: submit solution for the latest mining package
-		{
-			[]*types.Header{
-				{ParentHash: common.BytesToHash([]byte{0xa}), Number: big.NewInt(1), Difficulty: big.NewInt(100000000)},
-			},
-			0,
-			true,
-		},
-		// Case2: submit solution for the previous package but have same parent.
-		{
-			[]*types.Header{
-				{ParentHash: common.BytesToHash([]byte{0xb}), Number: big.NewInt(2), Difficulty: big.NewInt(100000000)},
-				{ParentHash: common.BytesToHash([]byte{0xb}), Number: big.NewInt(2), Difficulty: big.NewInt(100000001)},
-			},
-			0,
-			true,
-		},
-		// Case3: submit stale but acceptable solution
-		{
-			[]*types.Header{
-				{ParentHash: common.BytesToHash([]byte{0xc}), Number: big.NewInt(3), Difficulty: big.NewInt(100000000)},
-				{ParentHash: common.BytesToHash([]byte{0xd}), Number: big.NewInt(9), Difficulty: big.NewInt(100000000)},
-			},
-			0,
-			true,
-		},
-		// Case4: submit very old solution
-		{
-			[]*types.Header{
-				{ParentHash: common.BytesToHash([]byte{0xe}), Number: big.NewInt(10), Difficulty: big.NewInt(100000000)},
-				{ParentHash: common.BytesToHash([]byte{0xf}), Number: big.NewInt(17), Difficulty: big.NewInt(100000000)},
-			},
-			0,
-			false,
-		},
-	}
-	results := make(chan *types.Block, 16)
-
-	for id, c := range testcases {
-		for _, h := range c.headers {
-			ethash.Seal(nil, types.NewBlockWithHeader(h), results, nil)
-		}
-		if res := api.SubmitWork(fakeNonce, ethash.SealHash(c.headers[c.submitIndex]), fakeDigest); res != c.submitRes {
-			t.Errorf("case %d submit result mismatch, want %t, get %t", id+1, c.submitRes, res)
-		}
-		if !c.submitRes {
-			continue
-		}
-		select {
-		case res := <-results:
-			if res.Header().Nonce != fakeNonce {
-				t.Errorf("case %d block nonce mismatch, want %x, get %x", id+1, fakeNonce, res.Header().Nonce)
-			}
-			if res.Header().MixDigest != fakeDigest {
-				t.Errorf("case %d block digest mismatch, want %x, get %x", id+1, fakeDigest, res.Header().MixDigest)
-			}
-			if res.Header().Difficulty.Uint64() != c.headers[c.submitIndex].Difficulty.Uint64() {
-				t.Errorf("case %d block difficulty mismatch, want %d, get %d", id+1, c.headers[c.submitIndex].Difficulty, res.Header().Difficulty)
-			}
-			if res.Header().Number.Uint64() != c.headers[c.submitIndex].Number.Uint64() {
-				t.Errorf("case %d block number mismatch, want %d, get %d", id+1, c.headers[c.submitIndex].Number.Uint64(), res.Header().Number.Uint64())
-			}
-			if res.Header().ParentHash != c.headers[c.submitIndex].ParentHash {
-				t.Errorf("case %d block parent hash mismatch, want %s, get %s", id+1, c.headers[c.submitIndex].ParentHash.Hex(), res.Header().ParentHash.Hex())
-			}
-		case <-time.NewTimer(time.Second).C:
-			t.Errorf("case %d fetch ethash result timeout", id+1)
-		}
-	}
-}

consensus/misc/eip1559.go

@@ -17,6 +17,7 @@
 package misc
 
 import (
+	"errors"
 	"fmt"
 	"math/big"
 
@@ -26,10 +27,10 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 )
 
-// VerifyEip1559Header verifies some header attributes which were changed in EIP-1559,
+// VerifyEIP1559Header verifies some header attributes which were changed in EIP-1559,
 // - gas limit check
 // - basefee check
-func VerifyEip1559Header(config *params.ChainConfig, parent, header *types.Header) error {
+func VerifyEIP1559Header(config *params.ChainConfig, parent, header *types.Header) error {
 	// Verify that the gas limit remains within allowed bounds
 	parentGasLimit := parent.GasLimit
 	if !config.IsLondon(parent.Number) {
@@ -40,7 +41,7 @@ func VerifyEip1559Header(config *params.ChainConfig, parent, header *types.Heade
 	}
 	// Verify the header is not malformed
 	if header.BaseFee == nil {
-		return fmt.Errorf("header is missing baseFee")
+		return errors.New("header is missing baseFee")
 	}
 	// Verify the baseFee is correct based on the parent header.
 	expectedBaseFee := CalcBaseFee(config, parent)

consensus/misc/eip1559_test.go

@@ -95,7 +95,7 @@ func TestBlockGasLimits(t *testing.T) {
 			BaseFee:  initial,
 			Number:   big.NewInt(tc.pNum + 1),
 		}
-		err := VerifyEip1559Header(config(), parent, header)
+		err := VerifyEIP1559Header(config(), parent, header)
 		if tc.ok && err != nil {
 			t.Errorf("test %d: Expected valid header: %s", i, err)
 		}

consensus/misc/eip4844.go

@@ -17,8 +17,11 @@
 package misc
 
 import (
+	"errors"
+	"fmt"
 	"math/big"
 
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
 )
 
@@ -27,13 +30,54 @@ var (
 	dataGaspriceUpdateFraction = big.NewInt(params.BlobTxDataGaspriceUpdateFraction)
 )
 
-// CalcBlobFee calculates the blobfee from the header's excess data gas field.
-func CalcBlobFee(excessDataGas *big.Int) *big.Int {
-	// If this block does not yet have EIP-4844 enabled, return the starting fee
-	if excessDataGas == nil {
-		return big.NewInt(params.BlobTxMinDataGasprice)
+// VerifyEIP4844Header verifies the presence of the excessDataGas field and that
+// if the current block contains no transactions, the excessDataGas is updated
+// accordingly.
+func VerifyEIP4844Header(parent, header *types.Header) error {
+	// Verify the header is not malformed
+	if header.ExcessDataGas == nil {
+		return errors.New("header is missing excessDataGas")
+	}
+	if header.DataGasUsed == nil {
+		return errors.New("header is missing dataGasUsed")
+	}
+	// Verify that the data gas used remains within reasonable limits.
+	if *header.DataGasUsed > params.BlobTxMaxDataGasPerBlock {
+		return fmt.Errorf("data gas used %d exceeds maximum allowance %d", *header.DataGasUsed, params.BlobTxMaxDataGasPerBlock)
+	}
+	if *header.DataGasUsed%params.BlobTxDataGasPerBlob != 0 {
+		return fmt.Errorf("data gas used %d not a multiple of data gas per blob %d", header.DataGasUsed, params.BlobTxDataGasPerBlob)
+	}
+	// Verify the excessDataGas is correct based on the parent header
+	var (
+		parentExcessDataGas uint64
+		parentDataGasUsed   uint64
+	)
+	if parent.ExcessDataGas != nil {
+		parentExcessDataGas = *parent.ExcessDataGas
+		parentDataGasUsed = *parent.DataGasUsed
 	}
-	return fakeExponential(minDataGasPrice, excessDataGas, dataGaspriceUpdateFraction)
+	expectedExcessDataGas := CalcExcessDataGas(parentExcessDataGas, parentDataGasUsed)
+	if *header.ExcessDataGas != expectedExcessDataGas {
+		return fmt.Errorf("invalid excessDataGas: have %d, want %d, parent excessDataGas %d, parent blobDataUsed %d",
+			*header.ExcessDataGas, expectedExcessDataGas, parentExcessDataGas, parentDataGasUsed)
+	}
+	return nil
+}
+
+// CalcExcessDataGas calculates the excess data gas after applying the set of
+// blobs on top of the excess data gas.
+func CalcExcessDataGas(parentExcessDataGas uint64, parentDataGasUsed uint64) uint64 {
+	excessDataGas := parentExcessDataGas + parentDataGasUsed
+	if excessDataGas < params.BlobTxTargetDataGasPerBlock {
+		return 0
+	}
+	return excessDataGas - params.BlobTxTargetDataGasPerBlock
+}
+
+// CalcBlobFee calculates the blobfee from the header's excess data gas field.
+func CalcBlobFee(excessDataGas uint64) *big.Int {
+	return fakeExponential(minDataGasPrice, new(big.Int).SetUint64(excessDataGas), dataGaspriceUpdateFraction)
 }
 
 // fakeExponential approximates factor * e ** (numerator / denominator) using

consensus/misc/eip4844_test.go

@@ -24,9 +24,42 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 )
 
+func TestCalcExcessDataGas(t *testing.T) {
+	var tests = []struct {
+		excess uint64
+		blobs  uint64
+		want   uint64
+	}{
+		// The excess data gas should not increase from zero if the used blob
+		// slots are below - or equal - to the target.
+		{0, 0, 0},
+		{0, 1, 0},
+		{0, params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob, 0},
+
+		// If the target data gas is exceeded, the excessDataGas should increase
+		// by however much it was overshot
+		{0, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) + 1, params.BlobTxDataGasPerBlob},
+		{1, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) + 1, params.BlobTxDataGasPerBlob + 1},
+		{1, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) + 2, 2*params.BlobTxDataGasPerBlob + 1},
+
+		// The excess data gas should decrease by however much the target was
+		// under-shot, capped at zero.
+		{params.BlobTxTargetDataGasPerBlock, params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob, params.BlobTxTargetDataGasPerBlock},
+		{params.BlobTxTargetDataGasPerBlock, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) - 1, params.BlobTxDataGasPerBlob},
+		{params.BlobTxTargetDataGasPerBlock, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) - 2, 0},
+		{params.BlobTxDataGasPerBlob - 1, (params.BlobTxTargetDataGasPerBlock / params.BlobTxDataGasPerBlob) - 1, 0},
+	}
+	for _, tt := range tests {
+		result := CalcExcessDataGas(tt.excess, tt.blobs*params.BlobTxDataGasPerBlob)
+		if result != tt.want {
+			t.Errorf("excess data gas mismatch: have %v, want %v", result, tt.want)
+		}
+	}
+}
+
 func TestCalcBlobFee(t *testing.T) {
 	tests := []struct {
-		excessDataGas int64
+		excessDataGas uint64
 		blobfee       int64
 	}{
 		{0, 1},
@@ -34,12 +67,8 @@ func TestCalcBlobFee(t *testing.T) {
 		{1542707, 2},
 		{10 * 1024 * 1024, 111},
 	}
-	have := CalcBlobFee(nil)
-	if have.Int64() != params.BlobTxMinDataGasprice {
-		t.Errorf("nil test: blobfee mismatch: have %v, want %v", have, params.BlobTxMinDataGasprice)
-	}
 	for i, tt := range tests {
-		have := CalcBlobFee(big.NewInt(tt.excessDataGas))
+		have := CalcBlobFee(tt.excessDataGas)
 		if have.Int64() != tt.blobfee {
 			t.Errorf("test %d: blobfee mismatch: have %v want %v", i, have, tt.blobfee)
 		}

console/bridge.go

@@ -18,6 +18,7 @@ package console
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"reflect"
@@ -77,18 +78,18 @@ func (b *bridge) NewAccount(call jsre.Call) (goja.Value, error) {
 			return nil, err
 		}
 		if password != confirm {
-			return nil, fmt.Errorf("passwords don't match!")
+			return nil, errors.New("passwords don't match!")
 		}
 	// A single string password was specified, use that
 	case len(call.Arguments) == 1 && call.Argument(0).ToString() != nil:
 		password = call.Argument(0).ToString().String()
 	default:
-		return nil, fmt.Errorf("expected 0 or 1 string argument")
+		return nil, errors.New("expected 0 or 1 string argument")
 	}
 	// Password acquired, execute the call and return
 	newAccount, callable := goja.AssertFunction(getJeth(call.VM).Get("newAccount"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.newAccount is not callable")
+		return nil, errors.New("jeth.newAccount is not callable")
 	}
 	ret, err := newAccount(goja.Null(), call.VM.ToValue(password))
 	if err != nil {
@@ -102,7 +103,7 @@ func (b *bridge) NewAccount(call jsre.Call) (goja.Value, error) {
 func (b *bridge) OpenWallet(call jsre.Call) (goja.Value, error) {
 	// Make sure we have a wallet specified to open
 	if call.Argument(0).ToObject(call.VM).ClassName() != "String" {
-		return nil, fmt.Errorf("first argument must be the wallet URL to open")
+		return nil, errors.New("first argument must be the wallet URL to open")
 	}
 	wallet := call.Argument(0)
 
@@ -115,7 +116,7 @@ func (b *bridge) OpenWallet(call jsre.Call) (goja.Value, error) {
 	// Open the wallet and return if successful in itself
 	openWallet, callable := goja.AssertFunction(getJeth(call.VM).Get("openWallet"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.openWallet is not callable")
+		return nil, errors.New("jeth.openWallet is not callable")
 	}
 	val, err := openWallet(goja.Null(), wallet, passwd)
 	if err == nil {
@@ -198,7 +199,7 @@ func (b *bridge) readPassphraseAndReopenWallet(call jsre.Call) (goja.Value, erro
 	}
 	openWallet, callable := goja.AssertFunction(getJeth(call.VM).Get("openWallet"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.openWallet is not callable")
+		return nil, errors.New("jeth.openWallet is not callable")
 	}
 	return openWallet(goja.Null(), wallet, call.VM.ToValue(input))
 }
@@ -219,7 +220,7 @@ func (b *bridge) readPinAndReopenWallet(call jsre.Call) (goja.Value, error) {
 	}
 	openWallet, callable := goja.AssertFunction(getJeth(call.VM).Get("openWallet"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.openWallet is not callable")
+		return nil, errors.New("jeth.openWallet is not callable")
 	}
 	return openWallet(goja.Null(), wallet, call.VM.ToValue(input))
 }
@@ -230,13 +231,13 @@ func (b *bridge) readPinAndReopenWallet(call jsre.Call) (goja.Value, error) {
 // the RPC call.
 func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
 	if len(call.Arguments) < 1 {
-		return nil, fmt.Errorf("usage: unlockAccount(account, [ password, duration ])")
+		return nil, errors.New("usage: unlockAccount(account, [ password, duration ])")
 	}
 
 	account := call.Argument(0)
 	// Make sure we have an account specified to unlock.
 	if goja.IsUndefined(account) || goja.IsNull(account) || account.ExportType().Kind() != reflect.String {
-		return nil, fmt.Errorf("first argument must be the account to unlock")
+		return nil, errors.New("first argument must be the account to unlock")
 	}
 
 	// If password is not given or is the null value, prompt the user for it.
@@ -250,7 +251,7 @@ func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
 		passwd = call.VM.ToValue(input)
 	} else {
 		if call.Argument(1).ExportType().Kind() != reflect.String {
-			return nil, fmt.Errorf("password must be a string")
+			return nil, errors.New("password must be a string")
 		}
 		passwd = call.Argument(1)
 	}
@@ -259,7 +260,7 @@ func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
 	duration := goja.Null()
 	if !goja.IsUndefined(call.Argument(2)) && !goja.IsNull(call.Argument(2)) {
 		if !isNumber(call.Argument(2)) {
-			return nil, fmt.Errorf("unlock duration must be a number")
+			return nil, errors.New("unlock duration must be a number")
 		}
 		duration = call.Argument(2)
 	}
@@ -267,7 +268,7 @@ func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
 	// Send the request to the backend and return.
 	unlockAccount, callable := goja.AssertFunction(getJeth(call.VM).Get("unlockAccount"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.unlockAccount is not callable")
+		return nil, errors.New("jeth.unlockAccount is not callable")
 	}
 	return unlockAccount(goja.Null(), account, passwd, duration)
 }
@@ -277,7 +278,7 @@ func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
 // jeth.sign) with it to actually execute the RPC call.
 func (b *bridge) Sign(call jsre.Call) (goja.Value, error) {
 	if nArgs := len(call.Arguments); nArgs < 2 {
-		return nil, fmt.Errorf("usage: sign(message, account, [ password ])")
+		return nil, errors.New("usage: sign(message, account, [ password ])")
 	}
 	var (
 		message = call.Argument(0)
@@ -286,10 +287,10 @@ func (b *bridge) Sign(call jsre.Call) (goja.Value, error) {
 	)
 
 	if goja.IsUndefined(message) || message.ExportType().Kind() != reflect.String {
-		return nil, fmt.Errorf("first argument must be the message to sign")
+		return nil, errors.New("first argument must be the message to sign")
 	}
 	if goja.IsUndefined(account) || account.ExportType().Kind() != reflect.String {
-		return nil, fmt.Errorf("second argument must be the account to sign with")
+		return nil, errors.New("second argument must be the account to sign with")
 	}
 
 	// if the password is not given or null ask the user and ensure password is a string
@@ -301,13 +302,13 @@ func (b *bridge) Sign(call jsre.Call) (goja.Value, error) {
 		}
 		passwd = call.VM.ToValue(input)
 	} else if passwd.ExportType().Kind() != reflect.String {
-		return nil, fmt.Errorf("third argument must be the password to unlock the account")
+		return nil, errors.New("third argument must be the password to unlock the account")
 	}
 
 	// Send the request to the backend and return
 	sign, callable := goja.AssertFunction(getJeth(call.VM).Get("sign"))
 	if !callable {
-		return nil, fmt.Errorf("jeth.sign is not callable")
+		return nil, errors.New("jeth.sign is not callable")
 	}
 	return sign(goja.Null(), message, account, passwd)
 }
@@ -315,11 +316,11 @@ func (b *bridge) Sign(call jsre.Call) (goja.Value, error) {
 // Sleep will block the console for the specified number of seconds.
 func (b *bridge) Sleep(call jsre.Call) (goja.Value, error) {
 	if nArgs := len(call.Arguments); nArgs < 1 {
-		return nil, fmt.Errorf("usage: sleep(<number of seconds>)")
+		return nil, errors.New("usage: sleep(<number of seconds>)")
 	}
 	sleepObj := call.Argument(0)
 	if goja.IsUndefined(sleepObj) || goja.IsNull(sleepObj) || !isNumber(sleepObj) {
-		return nil, fmt.Errorf("usage: sleep(<number of seconds>)")
+		return nil, errors.New("usage: sleep(<number of seconds>)")
 	}
 	sleep := sleepObj.ToFloat()
 	time.Sleep(time.Duration(sleep * float64(time.Second)))
@@ -336,17 +337,17 @@ func (b *bridge) SleepBlocks(call jsre.Call) (goja.Value, error) {
 	)
 	nArgs := len(call.Arguments)
 	if nArgs == 0 {
-		return nil, fmt.Errorf("usage: sleepBlocks(<n blocks>[, max sleep in seconds])")
+		return nil, errors.New("usage: sleepBlocks(<n blocks>[, max sleep in seconds])")
 	}
 	if nArgs >= 1 {
 		if goja.IsNull(call.Argument(0)) || goja.IsUndefined(call.Argument(0)) || !isNumber(call.Argument(0)) {
-			return nil, fmt.Errorf("expected number as first argument")
+			return nil, errors.New("expected number as first argument")
 		}
 		blocks = call.Argument(0).ToInteger()
 	}
 	if nArgs >= 2 {
 		if goja.IsNull(call.Argument(1)) || goja.IsUndefined(call.Argument(1)) || !isNumber(call.Argument(1)) {
-			return nil, fmt.Errorf("expected number as second argument")
+			return nil, errors.New("expected number as second argument")
 		}
 		sleep = call.Argument(1).ToInteger()
 	}
@@ -421,7 +422,7 @@ func (b *bridge) Send(call jsre.Call) (goja.Value, error) {
 				JSON := call.VM.Get("JSON").ToObject(call.VM)
 				parse, callable := goja.AssertFunction(JSON.Get("parse"))
 				if !callable {
-					return nil, fmt.Errorf("JSON.parse is not a function")
+					return nil, errors.New("JSON.parse is not a function")
 				}
 				resultVal, err := parse(goja.Null(), call.VM.ToValue(string(result)))
 				if err != nil {

console/console_test.go

@@ -26,7 +26,6 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/console/prompt"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/eth"
@@ -99,9 +98,6 @@ func newTester(t *testing.T, confOverride func(*ethconfig.Config)) *tester {
 		Miner: miner.Config{
 			Etherbase: common.HexToAddress(testAddress),
 		},
-		Ethash: ethash.Config{
-			PowMode: ethash.ModeTest,
-		},
 	}
 	if confOverride != nil {
 		confOverride(ethConf)
@@ -114,10 +110,7 @@ func newTester(t *testing.T, confOverride func(*ethconfig.Config)) *tester {
 	if err = stack.Start(); err != nil {
 		t.Fatalf("failed to start test stack: %v", err)
 	}
-	client, err := stack.Attach()
-	if err != nil {
-		t.Fatalf("failed to attach to node: %v", err)
-	}
+	client := stack.Attach()
 	prompter := &hookedPrompter{scheduler: make(chan string)}
 	printer := new(bytes.Buffer)
 

core/asm/compiler.go

@@ -157,13 +157,12 @@ func (c *Compiler) compileLine() error {
 }
 
 // compileNumber compiles the number to bytes
-func (c *Compiler) compileNumber(element token) (int, error) {
+func (c *Compiler) compileNumber(element token) {
 	num := math.MustParseBig256(element.text).Bytes()
 	if len(num) == 0 {
 		num = []byte{0}
 	}
 	c.pushBin(num)
-	return len(num), nil
 }
 
 // compileElement compiles the element (push & label or both)

core/block_validator.go

@@ -17,6 +17,7 @@
 package core
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/consensus"
@@ -71,16 +72,42 @@ func (v *BlockValidator) ValidateBody(block *types.Block) error {
 	if header.WithdrawalsHash != nil {
 		// Withdrawals list must be present in body after Shanghai.
 		if block.Withdrawals() == nil {
-			return fmt.Errorf("missing withdrawals in block body")
+			return errors.New("missing withdrawals in block body")
 		}
 		if hash := types.DeriveSha(block.Withdrawals(), trie.NewStackTrie(nil)); hash != *header.WithdrawalsHash {
 			return fmt.Errorf("withdrawals root hash mismatch (header value %x, calculated %x)", *header.WithdrawalsHash, hash)
 		}
 	} else if block.Withdrawals() != nil {
-		// Withdrawals are not allowed prior to shanghai fork
-		return fmt.Errorf("withdrawals present in block body")
+		// Withdrawals are not allowed prior to Shanghai fork
+		return errors.New("withdrawals present in block body")
 	}
+	// Blob transactions may be present after the Cancun fork.
+	var blobs int
+	for _, tx := range block.Transactions() {
+		// Count the number of blobs to validate against the header's dataGasUsed
+		blobs += len(tx.BlobHashes())
 
+		// Validate the data blobs individually too
+		if tx.Type() == types.BlobTxType {
+			if len(tx.BlobHashes()) == 0 {
+				return errors.New("no-blob blob transaction present in block body")
+			}
+			for _, hash := range tx.BlobHashes() {
+				if hash[0] != params.BlobTxHashVersion {
+					return fmt.Errorf("blob hash version mismatch (have %d, supported %d)", hash[0], params.BlobTxHashVersion)
+				}
+			}
+		}
+	}
+	if header.DataGasUsed != nil {
+		if want := *header.DataGasUsed / params.BlobTxDataGasPerBlob; uint64(blobs) != want { // div because the header is surely good vs the body might be bloated
+			return fmt.Errorf("data gas used mismatch (header %v, calculated %v)", *header.DataGasUsed, blobs*params.BlobTxDataGasPerBlob)
+		}
+	} else {
+		if blobs > 0 {
+			return errors.New("data blobs present in block body")
+		}
+	}
 	if !v.bc.HasBlockAndState(block.ParentHash(), block.NumberU64()-1) {
 		if !v.bc.HasBlock(block.ParentHash(), block.NumberU64()-1) {
 			return consensus.ErrUnknownAncestor

core/block_validator_test.go

@@ -55,10 +55,10 @@ func TestHeaderVerification(t *testing.T) {
 
 			if valid {
 				engine := ethash.NewFaker()
-				_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}, []bool{true})
+				_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]})
 			} else {
 				engine := ethash.NewFakeFailer(headers[i].Number.Uint64())
-				_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]}, []bool{true})
+				_, results = engine.VerifyHeaders(chain, []*types.Header{headers[i]})
 			}
 			// Wait for the verification result
 			select {
@@ -164,7 +164,7 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) {
 
 	// Verify the blocks before the merging
 	for i := 0; i < len(preBlocks); i++ {
-		_, results := engine.VerifyHeaders(chain, []*types.Header{preHeaders[i]}, []bool{true})
+		_, results := engine.VerifyHeaders(chain, []*types.Header{preHeaders[i]})
 		// Wait for the verification result
 		select {
 		case result := <-results:
@@ -189,7 +189,7 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) {
 
 	// Verify the blocks after the merging
 	for i := 0; i < len(postBlocks); i++ {
-		_, results := engine.VerifyHeaders(chain, []*types.Header{postHeaders[i]}, []bool{true})
+		_, results := engine.VerifyHeaders(chain, []*types.Header{postHeaders[i]})
 		// Wait for the verification result
 		select {
 		case result := <-results:
@@ -209,19 +209,14 @@ func testHeaderVerificationForMerging(t *testing.T, isClique bool) {
 	}
 
 	// Verify the blocks with pre-merge blocks and post-merge blocks
-	var (
-		headers []*types.Header
-		seals   []bool
-	)
+	var headers []*types.Header
 	for _, block := range preBlocks {
 		headers = append(headers, block.Header())
-		seals = append(seals, true)
 	}
 	for _, block := range postBlocks {
 		headers = append(headers, block.Header())
-		seals = append(seals, true)
 	}
-	_, results := engine.VerifyHeaders(chain, headers, seals)
+	_, results := engine.VerifyHeaders(chain, headers)
 	for i := 0; i < len(headers); i++ {
 		select {
 		case result := <-results:
@@ -252,11 +247,8 @@ func testHeaderConcurrentVerification(t *testing.T, threads int) {
 		_, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 8, nil)
 	)
 	headers := make([]*types.Header, len(blocks))
-	seals := make([]bool, len(blocks))
-
 	for i, block := range blocks {
 		headers[i] = block.Header()
-		seals[i] = true
 	}
 	// Set the number of threads to verify on
 	old := runtime.GOMAXPROCS(threads)
@@ -269,11 +261,11 @@ func testHeaderConcurrentVerification(t *testing.T, threads int) {
 
 		if valid {
 			chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
-			_, results = chain.engine.VerifyHeaders(chain, headers, seals)
+			_, results = chain.engine.VerifyHeaders(chain, headers)
 			chain.Stop()
 		} else {
 			chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeFailer(uint64(len(headers)-1)), vm.Config{}, nil, nil)
-			_, results = chain.engine.VerifyHeaders(chain, headers, seals)
+			_, results = chain.engine.VerifyHeaders(chain, headers)
 			chain.Stop()
 		}
 		// Wait for all the verification results
@@ -322,11 +314,8 @@ func testHeaderConcurrentAbortion(t *testing.T, threads int) {
 		_, blocks, _ = GenerateChainWithGenesis(gspec, ethash.NewFaker(), 1024, nil)
 	)
 	headers := make([]*types.Header, len(blocks))
-	seals := make([]bool, len(blocks))
-
 	for i, block := range blocks {
 		headers[i] = block.Header()
-		seals[i] = true
 	}
 	// Set the number of threads to verify on
 	old := runtime.GOMAXPROCS(threads)
@@ -336,7 +325,7 @@ func testHeaderConcurrentAbortion(t *testing.T, threads int) {
 	chain, _ := NewBlockChain(rawdb.NewMemoryDatabase(), nil, gspec, nil, ethash.NewFakeDelayer(time.Millisecond), vm.Config{}, nil, nil)
 	defer chain.Stop()
 
-	abort, results := chain.engine.VerifyHeaders(chain, headers, seals)
+	abort, results := chain.engine.VerifyHeaders(chain, headers)
 	close(abort)
 
 	// Deplete the results channel

core/blockchain.go

@@ -87,6 +87,8 @@ var (
 
 	errInsertionInterrupted = errors.New("insertion is interrupted")
 	errChainStopped         = errors.New("blockchain is stopped")
+	errInvalidOldChain      = errors.New("invalid old chain")
+	errInvalidNewChain      = errors.New("invalid new chain")
 )
 
 const (
@@ -365,7 +367,7 @@ func NewBlockChain(db ethdb.Database, cacheConfig *CacheConfig, genesis *Genesis
 	// The first thing the node will do is reconstruct the verification data for
 	// the head block (ethash cache or clique voting snapshot). Might as well do
 	// it in advance.
-	bc.engine.VerifyHeader(bc, bc.CurrentHeader(), true)
+	bc.engine.VerifyHeader(bc, bc.CurrentHeader())
 
 	// Check the current state of the block hashes and make sure that we do not have any of the bad blocks in our chain
 	for hash := range BadHashes {
@@ -865,7 +867,7 @@ func (bc *BlockChain) ExportN(w io.Writer, first uint64, last uint64) error {
 			return fmt.Errorf("export failed on #%d: not found", nr)
 		}
 		if nr > first && block.ParentHash() != parentHash {
-			return fmt.Errorf("export failed: chain reorg during export")
+			return errors.New("export failed: chain reorg during export")
 		}
 		parentHash = block.Hash()
 		if err := block.EncodeRLP(w); err != nil {
@@ -982,8 +984,8 @@ func (bc *BlockChain) Stop() {
 		}
 	}
 	// Flush the collected preimages to disk
-	if err := bc.stateCache.TrieDB().CommitPreimages(); err != nil {
-		log.Error("Failed to commit trie preimages", "err", err)
+	if err := bc.stateCache.TrieDB().Close(); err != nil {
+		log.Error("Failed to close trie db", "err", err)
 	}
 	// Ensure all live cached entries be saved into disk, so that we can skip
 	// cache warmup when node restarts.
@@ -1522,7 +1524,7 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
 		return 0, errChainStopped
 	}
 	defer bc.chainmu.Unlock()
-	return bc.insertChain(chain, true, true)
+	return bc.insertChain(chain, true)
 }
 
 // insertChain is the internal implementation of InsertChain, which assumes that
@@ -1533,7 +1535,7 @@ func (bc *BlockChain) InsertChain(chain types.Blocks) (int, error) {
 // racey behaviour. If a sidechain import is in progress, and the historic state
 // is imported, but then new canon-head is added before the actual sidechain
 // completes, then the historic state could be pruned again
-func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool) (int, error) {
+func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error) {
 	// If the chain is terminating, don't even bother starting up.
 	if bc.insertStopped() {
 		return 0, nil
@@ -1554,13 +1556,10 @@ func (bc *BlockChain) insertChain(chain types.Blocks, verifySeals, setHead bool)
 	}()
 	// Start the parallel header verifier
 	headers := make([]*types.Header, len(chain))
-	seals := make([]bool, len(chain))
-
 	for i, block := range chain {
 		headers[i] = block.Header()
-		seals[i] = verifySeals
 	}
-	abort, results := bc.engine.VerifyHeaders(bc, headers, seals)
+	abort, results := bc.engine.VerifyHeaders(bc, headers)
 	defer close(abort)
 
 	// Peek the error for the first block to decide the directing import logic
@@ -1981,7 +1980,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
 		// memory here.
 		if len(blocks) >= 2048 || memory > 64*1024*1024 {
 			log.Info("Importing heavy sidechain segment", "blocks", len(blocks), "start", blocks[0].NumberU64(), "end", block.NumberU64())
-			if _, err := bc.insertChain(blocks, false, true); err != nil {
+			if _, err := bc.insertChain(blocks, true); err != nil {
 				return 0, err
 			}
 			blocks, memory = blocks[:0], 0
@@ -1995,7 +1994,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
 	}
 	if len(blocks) > 0 {
 		log.Info("Importing sidechain segment", "start", blocks[0].NumberU64(), "end", blocks[len(blocks)-1].NumberU64())
-		return bc.insertChain(blocks, false, true)
+		return bc.insertChain(blocks, true)
 	}
 	return 0, nil
 }
@@ -2038,7 +2037,7 @@ func (bc *BlockChain) recoverAncestors(block *types.Block) (common.Hash, error)
 		} else {
 			b = bc.GetBlock(hashes[i], numbers[i])
 		}
-		if _, err := bc.insertChain(types.Blocks{b}, false, false); err != nil {
+		if _, err := bc.insertChain(types.Blocks{b}, false); err != nil {
 			return b.ParentHash(), err
 		}
 	}
@@ -2054,11 +2053,10 @@ func (bc *BlockChain) collectLogs(b *types.Block, removed bool) []*types.Log {
 	var logs []*types.Log
 	for _, receipt := range receipts {
 		for _, log := range receipt.Logs {
-			l := *log
 			if removed {
-				l.Removed = true
+				log.Removed = true
 			}
-			logs = append(logs, &l)
+			logs = append(logs, log)
 		}
 	}
 	return logs
@@ -2100,10 +2098,10 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
 		}
 	}
 	if oldBlock == nil {
-		return errors.New("invalid old chain")
+		return errInvalidOldChain
 	}
 	if newBlock == nil {
-		return errors.New("invalid new chain")
+		return errInvalidNewChain
 	}
 	// Both sides of the reorg are at the same number, reduce both until the common
 	// ancestor is found
@@ -2123,11 +2121,11 @@ func (bc *BlockChain) reorg(oldHead *types.Header, newHead *types.Block) error {
 		// Step back with both chains
 		oldBlock = bc.GetBlock(oldBlock.ParentHash(), oldBlock.NumberU64()-1)
 		if oldBlock == nil {
-			return fmt.Errorf("invalid old chain")
+			return errInvalidOldChain
 		}
 		newBlock = bc.GetBlock(newBlock.ParentHash(), newBlock.NumberU64()-1)
 		if newBlock == nil {
-			return fmt.Errorf("invalid new chain")
+			return errInvalidNewChain
 		}
 	}
 
@@ -2242,7 +2240,7 @@ func (bc *BlockChain) InsertBlockWithoutSetHead(block *types.Block) error {
 	}
 	defer bc.chainmu.Unlock()
 
-	_, err := bc.insertChain(types.Blocks{block}, true, false)
+	_, err := bc.insertChain(types.Blocks{block}, false)
 	return err
 }
 
@@ -2462,17 +2460,12 @@ Receipts: %v
 // InsertHeaderChain attempts to insert the given header chain in to the local
 // chain, possibly creating a reorg. If an error is returned, it will return the
 // index number of the failing header as well an error describing what went wrong.
-//
-// The verify parameter can be used to fine tune whether nonce verification
-// should be done or not. The reason behind the optional check is because some
-// of the header retrieval mechanisms already need to verify nonces, as well as
-// because nonces can be verified sparsely, not needing to check each.
-func (bc *BlockChain) InsertHeaderChain(chain []*types.Header, checkFreq int) (int, error) {
+func (bc *BlockChain) InsertHeaderChain(chain []*types.Header) (int, error) {
 	if len(chain) == 0 {
 		return 0, nil
 	}
 	start := time.Now()
-	if i, err := bc.hc.ValidateHeaderChain(chain, checkFreq); err != nil {
+	if i, err := bc.hc.ValidateHeaderChain(chain); err != nil {
 		return i, err
 	}
 
@@ -2498,3 +2491,8 @@ func (bc *BlockChain) SetBlockValidatorAndProcessorForTesting(v Validator, p Pro
 func (bc *BlockChain) SetTrieFlushInterval(interval time.Duration) {
 	bc.flushInterval.Store(int64(interval))
 }
+
+// GetTrieFlushInterval gets the in-memroy tries flush interval
+func (bc *BlockChain) GetTrieFlushInterval() time.Duration {
+	return time.Duration(bc.flushInterval.Load())
+}

core/blockchain_test.go

@@ -74,7 +74,7 @@ func newCanonical(engine consensus.Engine, n int, full bool) (ethdb.Database, *G
 	}
 	// Header-only chain requested
 	genDb, headers := makeHeaderChainWithGenesis(genesis, n, engine, canonicalSeed)
-	_, err := blockchain.InsertHeaderChain(headers, 1)
+	_, err := blockchain.InsertHeaderChain(headers)
 	return genDb, genesis, blockchain, err
 }
 
@@ -115,7 +115,7 @@ func testFork(t *testing.T, blockchain *BlockChain, i, n int, full bool, compara
 		}
 	} else {
 		headerChainB = makeHeaderChain(blockchain2.chainConfig, blockchain2.CurrentHeader(), n, ethash.NewFaker(), genDb, forkSeed)
-		if _, err := blockchain2.InsertHeaderChain(headerChainB, 1); err != nil {
+		if _, err := blockchain2.InsertHeaderChain(headerChainB); err != nil {
 			t.Fatalf("failed to insert forking chain: %v", err)
 		}
 	}
@@ -148,7 +148,7 @@ func testFork(t *testing.T, blockchain *BlockChain, i, n int, full bool, compara
 func testBlockChainImport(chain types.Blocks, blockchain *BlockChain) error {
 	for _, block := range chain {
 		// Try and process the block
-		err := blockchain.engine.VerifyHeader(blockchain, block.Header(), true)
+		err := blockchain.engine.VerifyHeader(blockchain, block.Header())
 		if err == nil {
 			err = blockchain.validator.ValidateBody(block)
 		}
@@ -187,7 +187,7 @@ func testBlockChainImport(chain types.Blocks, blockchain *BlockChain) error {
 func testHeaderChainImport(chain []*types.Header, blockchain *BlockChain) error {
 	for _, header := range chain {
 		// Try and validate the header
-		if err := blockchain.engine.VerifyHeader(blockchain, header, false); err != nil {
+		if err := blockchain.engine.VerifyHeader(blockchain, header); err != nil {
 			return err
 		}
 		// Manually insert the header into the database, but don't reorganise (allows subsequent testing)
@@ -252,7 +252,7 @@ func testInsertAfterMerge(t *testing.T, blockchain *BlockChain, i, n int, full b
 		}
 	} else {
 		headerChainB := makeHeaderChain(blockchain2.chainConfig, blockchain2.CurrentHeader(), n, ethash.NewFaker(), genDb, forkSeed)
-		if _, err := blockchain2.InsertHeaderChain(headerChainB, 1); err != nil {
+		if _, err := blockchain2.InsertHeaderChain(headerChainB); err != nil {
 			t.Fatalf("failed to insert forking chain: %v", err)
 		}
 		if blockchain2.CurrentHeader().Number.Uint64() != headerChainB[len(headerChainB)-1].Number.Uint64() {
@@ -549,10 +549,10 @@ func testReorg(t *testing.T, first, second []int64, td int64, full bool) {
 		for i, block := range diffBlocks {
 			diffHeaders[i] = block.Header()
 		}
-		if _, err := blockchain.InsertHeaderChain(easyHeaders, 1); err != nil {
+		if _, err := blockchain.InsertHeaderChain(easyHeaders); err != nil {
 			t.Fatalf("failed to insert easy chain: %v", err)
 		}
-		if _, err := blockchain.InsertHeaderChain(diffHeaders, 1); err != nil {
+		if _, err := blockchain.InsertHeaderChain(diffHeaders); err != nil {
 			t.Fatalf("failed to insert difficult chain: %v", err)
 		}
 	}
@@ -613,7 +613,7 @@ func testBadHashes(t *testing.T, full bool) {
 		BadHashes[headers[2].Hash()] = true
 		defer func() { delete(BadHashes, headers[2].Hash()) }()
 
-		_, err = blockchain.InsertHeaderChain(headers, 1)
+		_, err = blockchain.InsertHeaderChain(headers)
 	}
 	if !errors.Is(err, ErrBannedHash) {
 		t.Errorf("error mismatch: have: %v, want: %v", err, ErrBannedHash)
@@ -645,7 +645,7 @@ func testReorgBadHashes(t *testing.T, full bool) {
 		BadHashes[blocks[3].Header().Hash()] = true
 		defer func() { delete(BadHashes, blocks[3].Header().Hash()) }()
 	} else {
-		if _, err = blockchain.InsertHeaderChain(headers, 1); err != nil {
+		if _, err = blockchain.InsertHeaderChain(headers); err != nil {
 			t.Errorf("failed to import headers: %v", err)
 		}
 		if blockchain.CurrentHeader().Hash() != headers[3].Hash() {
@@ -711,7 +711,7 @@ func testInsertNonceError(t *testing.T, full bool) {
 
 			blockchain.engine = ethash.NewFakeFailer(failNum)
 			blockchain.hc.engine = blockchain.engine
-			failRes, err = blockchain.InsertHeaderChain(headers, 1)
+			failRes, err = blockchain.InsertHeaderChain(headers)
 		}
 		// Check that the returned error indicates the failure
 		if failRes != failAt {
@@ -785,7 +785,7 @@ func TestFastVsFullChains(t *testing.T) {
 	for i, block := range blocks {
 		headers[i] = block.Header()
 	}
-	if n, err := fast.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := fast.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	if n, err := fast.InsertReceiptChain(blocks, receipts, 0); err != nil {
@@ -800,7 +800,7 @@ func TestFastVsFullChains(t *testing.T) {
 	ancient, _ := NewBlockChain(ancientDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
 	defer ancient.Stop()
 
-	if n, err := ancient.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := ancient.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(len(blocks)/2)); err != nil {
@@ -931,7 +931,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
 	for i, block := range blocks {
 		headers[i] = block.Header()
 	}
-	if n, err := fast.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := fast.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	if n, err := fast.InsertReceiptChain(blocks, receipts, 0); err != nil {
@@ -947,7 +947,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
 	ancient, _ := NewBlockChain(ancientDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
 	defer ancient.Stop()
 
-	if n, err := ancient.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := ancient.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(3*len(blocks)/4)); err != nil {
@@ -964,7 +964,7 @@ func TestLightVsFastVsFullChainHeads(t *testing.T) {
 	lightDb := makeDb()
 	defer lightDb.Close()
 	light, _ := NewBlockChain(lightDb, nil, gspec, nil, ethash.NewFaker(), vm.Config{}, nil, nil)
-	if n, err := light.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := light.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	defer light.Stop()
@@ -1701,7 +1701,7 @@ func TestTrieForkGC(t *testing.T) {
 		chain.stateCache.TrieDB().Dereference(blocks[len(blocks)-1-i].Root())
 		chain.stateCache.TrieDB().Dereference(forks[len(blocks)-1-i].Root())
 	}
-	if len(chain.stateCache.TrieDB().Nodes()) > 0 {
+	if nodes, _ := chain.TrieDB().Size(); nodes > 0 {
 		t.Fatalf("stale tries still alive after garbase collection")
 	}
 }
@@ -1781,7 +1781,7 @@ func TestBlockchainRecovery(t *testing.T) {
 	for i, block := range blocks {
 		headers[i] = block.Header()
 	}
-	if n, err := ancient.InsertHeaderChain(headers, 1); err != nil {
+	if n, err := ancient.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	if n, err := ancient.InsertReceiptChain(blocks, receipts, uint64(3*len(blocks)/4)); err != nil {
@@ -1850,7 +1850,7 @@ func TestInsertReceiptChainRollback(t *testing.T) {
 	for i, block := range canonblocks {
 		canonHeaders[i] = block.Header()
 	}
-	if _, err = ancientChain.InsertHeaderChain(canonHeaders, 1); err != nil {
+	if _, err = ancientChain.InsertHeaderChain(canonHeaders); err != nil {
 		t.Fatal("can't import canon headers:", err)
 	}
 
@@ -2128,7 +2128,7 @@ func testInsertKnownChainData(t *testing.T, typ string) {
 			for _, block := range blocks {
 				headers = append(headers, block.Header())
 			}
-			_, err := chain.InsertHeaderChain(headers, 1)
+			_, err := chain.InsertHeaderChain(headers)
 			return err
 		}
 		asserter = func(t *testing.T, block *types.Block) {
@@ -2142,7 +2142,7 @@ func testInsertKnownChainData(t *testing.T, typ string) {
 			for _, block := range blocks {
 				headers = append(headers, block.Header())
 			}
-			_, err := chain.InsertHeaderChain(headers, 1)
+			_, err := chain.InsertHeaderChain(headers)
 			if err != nil {
 				return err
 			}
@@ -2299,7 +2299,7 @@ func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight i
 			for _, block := range blocks {
 				headers = append(headers, block.Header())
 			}
-			i, err := chain.InsertHeaderChain(headers, 1)
+			i, err := chain.InsertHeaderChain(headers)
 			if err != nil {
 				return fmt.Errorf("index %d, number %d: %w", i, headers[i].Number, err)
 			}
@@ -2316,7 +2316,7 @@ func testInsertKnownChainDataWithMerging(t *testing.T, typ string, mergeHeight i
 			for _, block := range blocks {
 				headers = append(headers, block.Header())
 			}
-			i, err := chain.InsertHeaderChain(headers, 1)
+			i, err := chain.InsertHeaderChain(headers)
 			if err != nil {
 				return fmt.Errorf("index %d: %w", i, err)
 			}
@@ -2492,7 +2492,7 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) {
 	for i, block := range canonblocks {
 		canonHeaders[i] = block.Header()
 	}
-	if n, err := chain.InsertHeaderChain(canonHeaders, 0); err != nil {
+	if n, err := chain.InsertHeaderChain(canonHeaders); err != nil {
 		t.Fatalf("header %d: failed to insert into chain: %v", n, err)
 	}
 	canonNum := chain.CurrentHeader().Number.Uint64()
@@ -2501,7 +2501,7 @@ func TestReorgToShorterRemovesCanonMappingHeaderChain(t *testing.T) {
 	for i, block := range sideblocks {
 		sideHeaders[i] = block.Header()
 	}
-	if n, err := chain.InsertHeaderChain(sideHeaders, 0); err != nil {
+	if n, err := chain.InsertHeaderChain(sideHeaders); err != nil {
 		t.Fatalf("header %d: failed to insert into chain: %v", n, err)
 	}
 	head := chain.CurrentHeader()
@@ -2692,7 +2692,7 @@ func TestSkipStaleTxIndicesInSnapSync(t *testing.T) {
 	for i, block := range blocks {
 		headers[i] = block.Header()
 	}
-	if n, err := chain.InsertHeaderChain(headers, 0); err != nil {
+	if n, err := chain.InsertHeaderChain(headers); err != nil {
 		t.Fatalf("failed to insert header %d: %v", n, err)
 	}
 	// The indices before ancient-N(32) should be ignored. After that all blocks should be indexed.

core/chain_indexer.go

@@ -19,6 +19,7 @@ package core
 import (
 	"context"
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"sync"
 	"sync/atomic"
@@ -403,7 +404,7 @@ func (c *ChainIndexer) processSection(section uint64, lastHead common.Hash) (com
 		if header == nil {
 			return common.Hash{}, fmt.Errorf("block #%d [%x..] not found", number, hash[:4])
 		} else if header.ParentHash != lastHead {
-			return common.Hash{}, fmt.Errorf("chain reorged during section processing")
+			return common.Hash{}, errors.New("chain reorged during section processing")
 		}
 		if err := c.backend.Process(c.ctx, header); err != nil {
 			return common.Hash{}, err

core/evm.go

@@ -72,8 +72,9 @@ func NewEVMBlockContext(header *types.Header, chain ChainContext, author *common
 // NewEVMTxContext creates a new transaction context for a single transaction.
 func NewEVMTxContext(msg *Message) vm.TxContext {
 	return vm.TxContext{
-		Origin:   msg.From,
-		GasPrice: new(big.Int).Set(msg.GasPrice),
+		Origin:     msg.From,
+		GasPrice:   new(big.Int).Set(msg.GasPrice),
+		BlobHashes: msg.BlobHashes,
 	}
 }
 

core/forkid/forkid_test.go

@@ -74,30 +74,6 @@ func TestCreation(t *testing.T) {
 				{30000000, 2000000000, ID{Hash: checksumToBytes(0xdce96c2d), Next: 0}},          // Future Shanghai block
 			},
 		},
-		// Rinkeby test cases
-		{
-			params.RinkebyChainConfig,
-			params.RinkebyGenesisHash,
-			[]testcase{
-				{0, 0, ID{Hash: checksumToBytes(0x3b8e0691), Next: 1}},             // Unsynced, last Frontier block
-				{1, 0, ID{Hash: checksumToBytes(0x60949295), Next: 2}},             // First and last Homestead block
-				{2, 0, ID{Hash: checksumToBytes(0x8bde40dd), Next: 3}},             // First and last Tangerine block
-				{3, 0, ID{Hash: checksumToBytes(0xcb3a64bb), Next: 1035301}},       // First Spurious block
-				{1035300, 0, ID{Hash: checksumToBytes(0xcb3a64bb), Next: 1035301}}, // Last Spurious block
-				{1035301, 0, ID{Hash: checksumToBytes(0x8d748b57), Next: 3660663}}, // First Byzantium block
-				{3660662, 0, ID{Hash: checksumToBytes(0x8d748b57), Next: 3660663}}, // Last Byzantium block
-				{3660663, 0, ID{Hash: checksumToBytes(0xe49cab14), Next: 4321234}}, // First Constantinople block
-				{4321233, 0, ID{Hash: checksumToBytes(0xe49cab14), Next: 4321234}}, // Last Constantinople block
-				{4321234, 0, ID{Hash: checksumToBytes(0xafec6b27), Next: 5435345}}, // First Petersburg block
-				{5435344, 0, ID{Hash: checksumToBytes(0xafec6b27), Next: 5435345}}, // Last Petersburg block
-				{5435345, 0, ID{Hash: checksumToBytes(0xcbdb8838), Next: 8290928}}, // First Istanbul block
-				{8290927, 0, ID{Hash: checksumToBytes(0xcbdb8838), Next: 8290928}}, // Last Istanbul block
-				{8290928, 0, ID{Hash: checksumToBytes(0x6910c8bd), Next: 8897988}}, // First Berlin block
-				{8897987, 0, ID{Hash: checksumToBytes(0x6910c8bd), Next: 8897988}}, // Last Berlin block
-				{8897988, 0, ID{Hash: checksumToBytes(0x8E29F2F3), Next: 0}},       // First London block
-				{10000000, 0, ID{Hash: checksumToBytes(0x8E29F2F3), Next: 0}},      // Future London block
-			},
-		},
 		// Goerli test cases
 		{
 			params.GoerliChainConfig,

core/genesis.go

@@ -73,7 +73,7 @@ func ReadGenesis(db ethdb.Database) (*Genesis, error) {
 	}
 	blob := rawdb.ReadGenesisStateSpec(db, stored)
 	if blob == nil {
-		return nil, fmt.Errorf("genesis state missing from db")
+		return nil, errors.New("genesis state missing from db")
 	}
 	if len(blob) != 0 {
 		if err := genesis.Alloc.UnmarshalJSON(blob); err != nil {
@@ -82,11 +82,11 @@ func ReadGenesis(db ethdb.Database) (*Genesis, error) {
 	}
 	genesis.Config = rawdb.ReadChainConfig(db, stored)
 	if genesis.Config == nil {
-		return nil, fmt.Errorf("genesis config missing from db")
+		return nil, errors.New("genesis config missing from db")
 	}
 	genesisBlock := rawdb.ReadBlock(db, stored, 0)
 	if genesisBlock == nil {
-		return nil, fmt.Errorf("genesis block missing from db")
+		return nil, errors.New("genesis block missing from db")
 	}
 	genesisHeader := genesisBlock.Header()
 	genesis.Nonce = genesisHeader.Nonce.Uint64()
@@ -120,7 +120,7 @@ func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
 	// Create an ephemeral in-memory database for computing hash,
 	// all the derived states will be discarded to not pollute disk.
 	db := state.NewDatabase(rawdb.NewMemoryDatabase())
-	statedb, err := state.New(common.Hash{}, db, nil)
+	statedb, err := state.New(types.EmptyRootHash, db, nil)
 	if err != nil {
 		return common.Hash{}, err
 	}
@@ -139,7 +139,7 @@ func (ga *GenesisAlloc) deriveHash() (common.Hash, error) {
 // all the generated states will be persisted into the given database.
 // Also, the genesis state specification will be flushed as well.
 func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
-	statedb, err := state.New(common.Hash{}, state.NewDatabaseWithNodeDB(db, triedb), nil)
+	statedb, err := state.New(types.EmptyRootHash, state.NewDatabaseWithNodeDB(db, triedb), nil)
 	if err != nil {
 		return err
 	}
@@ -189,8 +189,6 @@ func CommitGenesisState(db ethdb.Database, triedb *trie.Database, blockhash comm
 		switch blockhash {
 		case params.MainnetGenesisHash:
 			genesis = DefaultGenesisBlock()
-		case params.RinkebyGenesisHash:
-			genesis = DefaultRinkebyGenesisBlock()
 		case params.GoerliGenesisHash:
 			genesis = DefaultGoerliGenesisBlock()
 		case params.SepoliaGenesisHash:
@@ -366,7 +364,7 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 	// are returned to the caller unless we're already at block zero.
 	head := rawdb.ReadHeadHeader(db)
 	if head == nil {
-		return newcfg, stored, fmt.Errorf("missing head header")
+		return newcfg, stored, errors.New("missing head header")
 	}
 	compatErr := storedcfg.CheckCompatible(newcfg, head.Number.Uint64(), head.Time)
 	if compatErr != nil && ((head.Number.Uint64() != 0 && compatErr.RewindToBlock != 0) || (head.Time != 0 && compatErr.RewindToTime != 0)) {
@@ -379,11 +377,9 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 	return newcfg, stored, nil
 }
 
-// LoadCliqueConfig loads the stored clique config if the chain config
-// is already present in database, otherwise, return the config in the
-// provided genesis specification. Note the returned clique config can
-// be nil if we are not in the clique network.
-func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig, error) {
+// LoadChainConfig loads the stored chain config if it is already present in
+// database, otherwise, return the config in the provided genesis specification.
+func LoadChainConfig(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, error) {
 	// Load the stored chain config from the database. It can be nil
 	// in case the database is empty. Notably, we only care about the
 	// chain config corresponds to the canonical chain.
@@ -391,10 +387,10 @@ func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig
 	if stored != (common.Hash{}) {
 		storedcfg := rawdb.ReadChainConfig(db, stored)
 		if storedcfg != nil {
-			return storedcfg.Clique, nil
+			return storedcfg, nil
 		}
 	}
-	// Load the clique config from the provided genesis specification.
+	// Load the config from the provided genesis specification
 	if genesis != nil {
 		// Reject invalid genesis spec without valid chain config
 		if genesis.Config == nil {
@@ -407,12 +403,11 @@ func LoadCliqueConfig(db ethdb.Database, genesis *Genesis) (*params.CliqueConfig
 		if stored != (common.Hash{}) && genesis.ToBlock().Hash() != stored {
 			return nil, &GenesisMismatchError{stored, genesis.ToBlock().Hash()}
 		}
-		return genesis.Config.Clique, nil
+		return genesis.Config, nil
 	}
 	// There is no stored chain config and no new config provided,
-	// In this case the default chain config(mainnet) will be used,
-	// namely ethash is the specified consensus engine, return nil.
-	return nil, nil
+	// In this case the default chain config(mainnet) will be used
+	return params.MainnetChainConfig, nil
 }
 
 func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
@@ -423,8 +418,6 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
 		return params.MainnetChainConfig
 	case ghash == params.SepoliaGenesisHash:
 		return params.SepoliaChainConfig
-	case ghash == params.RinkebyGenesisHash:
-		return params.RinkebyChainConfig
 	case ghash == params.GoerliGenesisHash:
 		return params.GoerliChainConfig
 	default:
@@ -466,7 +459,7 @@ func (g *Genesis) ToBlock() *types.Block {
 		}
 	}
 	var withdrawals []*types.Withdrawal
-	if g.Config != nil && g.Config.IsShanghai(g.Timestamp) {
+	if g.Config != nil && g.Config.IsShanghai(big.NewInt(int64(g.Number)), g.Timestamp) {
 		head.WithdrawalsHash = &types.EmptyWithdrawalsHash
 		withdrawals = make([]*types.Withdrawal, 0)
 	}
@@ -531,18 +524,6 @@ func DefaultGenesisBlock() *Genesis {
 	}
 }
 
-// DefaultRinkebyGenesisBlock returns the Rinkeby network genesis block.
-func DefaultRinkebyGenesisBlock() *Genesis {
-	return &Genesis{
-		Config:     params.RinkebyChainConfig,
-		Timestamp:  1492009146,
-		ExtraData:  hexutil.MustDecode("0x52657370656374206d7920617574686f7269746168207e452e436172746d616e42eb768f2244c8811c63729a21a3569731535f067ffc57839b00206d1ad20c69a1981b489f772031b279182d99e65703f0076e4812653aab85fca0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
-		GasLimit:   4700000,
-		Difficulty: big.NewInt(1),
-		Alloc:      decodePrealloc(rinkebyAllocData),
-	}
-}
-
 // DefaultGoerliGenesisBlock returns the Görli network genesis block.
 func DefaultGoerliGenesisBlock() *Genesis {
 	return &Genesis{

core/genesis_test.go

@@ -172,7 +172,6 @@ func TestGenesisHashes(t *testing.T) {
 	}{
 		{DefaultGenesisBlock(), params.MainnetGenesisHash},
 		{DefaultGoerliGenesisBlock(), params.GoerliGenesisHash},
-		{DefaultRinkebyGenesisBlock(), params.RinkebyGenesisHash},
 		{DefaultSepoliaGenesisBlock(), params.SepoliaGenesisHash},
 	} {
 		// Test via MustCommit

core/headerchain.go

@@ -300,7 +300,7 @@ func (hc *HeaderChain) writeHeadersAndSetHead(headers []*types.Header, forker *F
 	return result, nil
 }
 
-func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int) (int, error) {
+func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header) (int, error) {
 	// Do a sanity check that the provided chain is actually ordered and linked
 	for i := 1; i < len(chain); i++ {
 		if chain[i].Number.Uint64() != chain[i-1].Number.Uint64()+1 {
@@ -322,23 +322,8 @@ func (hc *HeaderChain) ValidateHeaderChain(chain []*types.Header, checkFreq int)
 			return i, ErrBannedHash
 		}
 	}
-
-	// Generate the list of seal verification requests, and start the parallel verifier
-	seals := make([]bool, len(chain))
-	if checkFreq != 0 {
-		// In case of checkFreq == 0 all seals are left false.
-		for i := 0; i <= len(seals)/checkFreq; i++ {
-			index := i*checkFreq + hc.rand.Intn(checkFreq)
-			if index >= len(seals) {
-				index = len(seals) - 1
-			}
-			seals[index] = true
-		}
-		// Last should always be verified to avoid junk.
-		seals[len(seals)-1] = true
-	}
-
-	abort, results := hc.engine.VerifyHeaders(hc, chain, seals)
+	// Start the parallel verifier
+	abort, results := hc.engine.VerifyHeaders(hc, chain)
 	defer close(abort)
 
 	// Iterate over the headers and ensure they all check out

core/rawdb/accessors_indexes_test.go

@@ -142,7 +142,7 @@ func TestDeleteBloomBits(t *testing.T) {
 	for i := uint(0); i < 2; i++ {
 		for s := uint64(0); s < 2; s++ {
 			WriteBloomBits(db, i, s, params.MainnetGenesisHash, []byte{0x01, 0x02})
-			WriteBloomBits(db, i, s, params.RinkebyGenesisHash, []byte{0x01, 0x02})
+			WriteBloomBits(db, i, s, params.SepoliaGenesisHash, []byte{0x01, 0x02})
 		}
 	}
 	check := func(bit uint, section uint64, head common.Hash, exist bool) {
@@ -156,25 +156,25 @@ func TestDeleteBloomBits(t *testing.T) {
 	}
 	// Check the existence of written data.
 	check(0, 0, params.MainnetGenesisHash, true)
-	check(0, 0, params.RinkebyGenesisHash, true)
+	check(0, 0, params.SepoliaGenesisHash, true)
 
 	// Check the existence of deleted data.
 	DeleteBloombits(db, 0, 0, 1)
 	check(0, 0, params.MainnetGenesisHash, false)
-	check(0, 0, params.RinkebyGenesisHash, false)
+	check(0, 0, params.SepoliaGenesisHash, false)
 	check(0, 1, params.MainnetGenesisHash, true)
-	check(0, 1, params.RinkebyGenesisHash, true)
+	check(0, 1, params.SepoliaGenesisHash, true)
 
 	// Check the existence of deleted data.
 	DeleteBloombits(db, 0, 0, 2)
 	check(0, 0, params.MainnetGenesisHash, false)
-	check(0, 0, params.RinkebyGenesisHash, false)
+	check(0, 0, params.SepoliaGenesisHash, false)
 	check(0, 1, params.MainnetGenesisHash, false)
-	check(0, 1, params.RinkebyGenesisHash, false)
+	check(0, 1, params.SepoliaGenesisHash, false)
 
 	// Bit1 shouldn't be affect.
 	check(1, 0, params.MainnetGenesisHash, true)
-	check(1, 0, params.RinkebyGenesisHash, true)
+	check(1, 0, params.SepoliaGenesisHash, true)
 	check(1, 1, params.MainnetGenesisHash, true)
-	check(1, 1, params.RinkebyGenesisHash, true)
+	check(1, 1, params.SepoliaGenesisHash, true)
 }

core/rawdb/freezer.go

@@ -434,7 +434,7 @@ func (f *Freezer) MigrateTable(kind string, convert convertLegacyFn) error {
 	// TODO(s1na): This is a sanity-check since as of now no process does tail-deletion. But the migration
 	// process assumes no deletion at tail and needs to be modified to account for that.
 	if table.itemOffset.Load() > 0 || table.itemHidden.Load() > 0 {
-		return fmt.Errorf("migration not supported for tail-deleted freezers")
+		return errors.New("migration not supported for tail-deleted freezers")
 	}
 	ancientsPath := filepath.Dir(table.index.Name())
 	// Set up new dir for the migrated table, the content of which