Merge pull request #38 from DeBankDeFi/merge_upstream

Merge upstream v1.10.21 to debank

.golangci.yml

@@ -28,15 +28,16 @@ linters:
     - durationcheck
     - exportloopref
     - gosec
+    - whitespace
 
-    #- structcheck # lots of false positives
-    #- errcheck #lot of false positives
-   # - contextcheck
-   # - errchkjson # lots of false positives
-   # - errorlint # this check crashes
-   # - exhaustive # silly check
-   # - makezero # false positives
-   # - nilerr # several intentional
+    # - structcheck # lots of false positives
+    # - errcheck #lot of false positives
+    # - contextcheck
+    # - errchkjson # lots of false positives
+    # - errorlint # this check crashes
+    # - exhaustive # silly check
+    # - makezero # false positives
+    # - nilerr # several intentional
 
 linters-settings:
   gofmt:
@@ -46,9 +47,9 @@ linters-settings:
     min-occurrences: 6 # minimum number of occurrences
   gosec:
     excludes:
-     - G404 # Use of weak random number generator - lots of FP
-     - G107 # Potential http request -- those are intentional
-     - G306 # G306: Expect WriteFile permissions to be 0600 or less
+      - G404 # Use of weak random number generator - lots of FP
+      - G107 # Potential http request -- those are intentional
+      - G306 # G306: Expect WriteFile permissions to be 0600 or less
 
 issues:
   exclude-rules:
@@ -67,5 +68,6 @@ issues:
   exclude:
     - 'SA1019: event.TypeMux is deprecated: use Feed'
     - 'SA1019: strings.Title is deprecated'
+    - 'SA1019: strings.Title has been deprecated since Go 1.18 and an alternative has been available since Go 1.0: The rule Title uses for word boundaries does not handle Unicode punctuation properly. Use golang.org/x/text/cases instead.'
     - 'SA1029: should not use built-in type string as key for value'
-    - 'G306: Expect WriteFile permissions to be 0600 or less'
+    - 'G306: Expect WriteFile permissions to be 0600 or less'

README.md

@@ -211,7 +211,7 @@ HTTP based JSON-RPC API options:
   * `--ws.api` API's offered over the WS-RPC interface (default: `eth,net,web3`)
   * `--ws.origins` Origins from which to accept websockets requests
   * `--ipcdisable` Disable the IPC-RPC server
-  * `--ipcapi` API's offered over the IPC-RPC interface (default: `admin,debug,eth,miner,net,personal,shh,txpool,web3`)
+  * `--ipcapi` API's offered over the IPC-RPC interface (default: `admin,debug,eth,miner,net,personal,txpool,web3`)
   * `--ipcpath` Filename for IPC socket/pipe within the datadir (explicit paths escape it)
 
 You'll need to use your own programming environments' capabilities (libraries, tools, etc) to

accounts/abi/argument.go

@@ -18,6 +18,7 @@ package abi
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"reflect"
 	"strings"
@@ -79,7 +80,7 @@ func (arguments Arguments) isTuple() bool {
 func (arguments Arguments) Unpack(data []byte) ([]interface{}, error) {
 	if len(data) == 0 {
 		if len(arguments.NonIndexed()) != 0 {
-			return nil, fmt.Errorf("abi: attempting to unmarshall an empty string while arguments are expected")
+			return nil, errors.New("abi: attempting to unmarshall an empty string while arguments are expected")
 		}
 		return make([]interface{}, 0), nil
 	}
@@ -90,11 +91,11 @@ func (arguments Arguments) Unpack(data []byte) ([]interface{}, error) {
 func (arguments Arguments) UnpackIntoMap(v map[string]interface{}, data []byte) error {
 	// Make sure map is not nil
 	if v == nil {
-		return fmt.Errorf("abi: cannot unpack into a nil map")
+		return errors.New("abi: cannot unpack into a nil map")
 	}
 	if len(data) == 0 {
 		if len(arguments.NonIndexed()) != 0 {
-			return fmt.Errorf("abi: attempting to unmarshall an empty string while arguments are expected")
+			return errors.New("abi: attempting to unmarshall an empty string while arguments are expected")
 		}
 		return nil // Nothing to unmarshal, return
 	}
@@ -116,7 +117,7 @@ func (arguments Arguments) Copy(v interface{}, values []interface{}) error {
 	}
 	if len(values) == 0 {
 		if len(arguments.NonIndexed()) != 0 {
-			return fmt.Errorf("abi: attempting to copy no values while arguments are expected")
+			return errors.New("abi: attempting to copy no values while arguments are expected")
 		}
 		return nil // Nothing to copy, return
 	}

accounts/abi/bind/backends/simulated.go

@@ -106,16 +106,20 @@ func (b *SimulatedBackend) Close() error {
 
 // Commit imports all the pending transactions as a single block and starts a
 // fresh new state.
-func (b *SimulatedBackend) Commit() {
+func (b *SimulatedBackend) Commit() common.Hash {
 	b.mu.Lock()
 	defer b.mu.Unlock()
 
 	if _, err := b.blockchain.InsertChain([]*types.Block{b.pendingBlock}); err != nil {
 		panic(err) // This cannot happen unless the simulator is wrong, fail in that case
 	}
+	blockHash := b.pendingBlock.Hash()
+
 	// Using the last inserted block here makes it possible to build on a side
 	// chain after a fork.
 	b.rollback(b.pendingBlock)
+
+	return blockHash
 }
 
 // Rollback aborts all pending transactions, reverting to the last committed state.

accounts/abi/bind/backends/simulated_test.go

@@ -1335,3 +1335,42 @@ func TestForkResendTx(t *testing.T) {
 		t.Errorf("TX included in wrong block: %d", h)
 	}
 }
+
+func TestCommitReturnValue(t *testing.T) {
+	testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
+	sim := simTestBackend(testAddr)
+	defer sim.Close()
+
+	startBlockHeight := sim.blockchain.CurrentBlock().NumberU64()
+
+	// Test if Commit returns the correct block hash
+	h1 := sim.Commit()
+	if h1 != sim.blockchain.CurrentBlock().Hash() {
+		t.Error("Commit did not return the hash of the last block.")
+	}
+
+	// Create a block in the original chain (containing a transaction to force different block hashes)
+	head, _ := sim.HeaderByNumber(context.Background(), nil) // Should be child's, good enough
+	gasPrice := new(big.Int).Add(head.BaseFee, big.NewInt(1))
+	_tx := types.NewTransaction(0, testAddr, big.NewInt(1000), params.TxGas, gasPrice, nil)
+	tx, _ := types.SignTx(_tx, types.HomesteadSigner{}, testKey)
+	sim.SendTransaction(context.Background(), tx)
+	h2 := sim.Commit()
+
+	// Create another block in the original chain
+	sim.Commit()
+
+	// Fork at the first bock
+	if err := sim.Fork(context.Background(), h1); err != nil {
+		t.Errorf("forking: %v", err)
+	}
+
+	// Test if Commit returns the correct block hash after the reorg
+	h2fork := sim.Commit()
+	if h2 == h2fork {
+		t.Error("The block in the fork and the original block are the same block!")
+	}
+	if sim.blockchain.GetHeader(h2fork, startBlockHeight+2) == nil {
+		t.Error("Could not retrieve the just created block (side-chain)")
+	}
+}

accounts/abi/bind/base_test.go

@@ -115,7 +115,6 @@ func (mc *mockPendingCaller) PendingCallContract(ctx context.Context, call ether
 }
 
 func TestPassingBlockNumber(t *testing.T) {
-
 	mc := &mockPendingCaller{
 		mockCaller: &mockCaller{
 			codeAtBytes: []byte{1, 2, 3},

accounts/abi/bind/bind.go

@@ -43,6 +43,43 @@ const (
 	LangObjC
 )
 
+func isKeyWord(arg string) bool {
+	switch arg {
+	case "break":
+	case "case":
+	case "chan":
+	case "const":
+	case "continue":
+	case "default":
+	case "defer":
+	case "else":
+	case "fallthrough":
+	case "for":
+	case "func":
+	case "go":
+	case "goto":
+	case "if":
+	case "import":
+	case "interface":
+	case "iota":
+	case "map":
+	case "make":
+	case "new":
+	case "package":
+	case "range":
+	case "return":
+	case "select":
+	case "struct":
+	case "switch":
+	case "type":
+	case "var":
+	default:
+		return false
+	}
+
+	return true
+}
+
 // Bind generates a Go wrapper around a contract ABI. This wrapper isn't meant
 // to be used as is in client code, but rather as an intermediate struct which
 // enforces compile time type safety and naming convention opposed to having to
@@ -114,7 +151,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			normalized.Inputs = make([]abi.Argument, len(original.Inputs))
 			copy(normalized.Inputs, original.Inputs)
 			for j, input := range normalized.Inputs {
-				if input.Name == "" {
+				if input.Name == "" || isKeyWord(input.Name) {
 					normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
 				}
 				if hasStruct(input.Type) {
@@ -158,7 +195,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			normalized.Inputs = make([]abi.Argument, len(original.Inputs))
 			copy(normalized.Inputs, original.Inputs)
 			for j, input := range normalized.Inputs {
-				if input.Name == "" {
+				if input.Name == "" || isKeyWord(input.Name) {
 					normalized.Inputs[j].Name = fmt.Sprintf("arg%d", j)
 				}
 				// Event is a bit special, we need to define event struct in binding,

accounts/abi/bind/bind_test.go

@@ -1971,7 +1971,7 @@ var bindTests = []struct {
 			}
 		}
 		`,
-		bytecode: []string{`0x608060405234801561001057600080fd5b5061042b806100206000396000f3fe608060405234801561001057600080fd5b50600436106100365760003560e01c8063c2bb515f1461003b578063cce7b04814610059575b600080fd5b610043610075565b60405161005091906101af565b60405180910390f35b610073600480360381019061006e91906103ac565b6100b5565b005b61007d6100b8565b604051806040016040528060405180602001604052806000815250815260200160405180602001604052806000815250815250905090565b50565b604051806040016040528060608152602001606081525090565b600081519050919050565b600082825260208201905092915050565b60005b8381101561010c5780820151818401526020810190506100f1565b8381111561011b576000848401525b50505050565b6000601f19601f8301169050919050565b600061013d826100d2565b61014781856100dd565b93506101578185602086016100ee565b61016081610121565b840191505092915050565b600060408301600083015184820360008601526101888282610132565b915050602083015184820360208601526101a28282610132565b9150508091505092915050565b600060208201905081810360008301526101c9818461016b565b905092915050565b6000604051905090565b600080fd5b600080fd5b600080fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b61022282610121565b810181811067ffffffffffffffff82111715610241576102406101ea565b5b80604052505050565b60006102546101d1565b90506102608282610219565b919050565b600080fd5b600080fd5b600080fd5b600067ffffffffffffffff82111561028f5761028e6101ea565b5b61029882610121565b9050602081019050919050565b82818337600083830152505050565b60006102c76102c284610274565b61024a565b9050828152602081018484840111156102e3576102e261026f565b5b6102ee8482856102a5565b509392505050565b600082601f83011261030b5761030a61026a565b5b813561031b8482602086016102b4565b91505092915050565b60006040828403121561033a576103396101e5565b5b610344604061024a565b9050600082013567ffffffffffffffff81111561036457610363610265565b5b610370848285016102f6565b600083015250602082013567ffffffffffffffff81111561039457610393610265565b5b6103a0848285016102f6565b60208301525092915050565b6000602082840312156103c2576103c16101db565b5b600082013567ffffffffffffffff8111156103e0576103df6101e0565b5b6103ec84828501610324565b9150509291505056fea264697066735822122033bca1606af9b6aeba1673f98c52003cec19338539fb44b86690ce82c51483b564736f6c634300080e0033`},
+		bytecode: []string{"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"},
 		abi:      []string{`[ { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "int256", "name": "msg", "type": "int256" }, { "indexed": false, "internalType": "int256", "name": "_msg", "type": "int256" } ], "name": "log", "type": "event" }, { "inputs": [ { "components": [ { "internalType": "bytes", "name": "data", "type": "bytes" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "internalType": "struct oracle.request", "name": "req", "type": "tuple" } ], "name": "addRequest", "outputs": [], "stateMutability": "pure", "type": "function" }, { "inputs": [], "name": "getRequest", "outputs": [ { "components": [ { "internalType": "bytes", "name": "data", "type": "bytes" }, { "internalType": "bytes", "name": "_data", "type": "bytes" } ], "internalType": "struct oracle.request", "name": "", "type": "tuple" } ], "stateMutability": "pure", "type": "function" } ]`},
 		imports: `
 			"math/big"
@@ -2002,6 +2002,43 @@ var bindTests = []struct {
 			}
 		`,
 	},
+	{
+		name: "RangeKeyword",
+		contract: `
+		// SPDX-License-Identifier: GPL-3.0
+		pragma solidity >=0.4.22 <0.9.0;
+		contract keywordcontract {
+			function functionWithKeywordParameter(range uint256) public pure {}
+		}
+		`,
+		bytecode: []string{"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"},
+		abi:      []string{`[{"inputs":[{"internalType":"uint256","name":"range","type":"uint256"}],"name":"functionWithKeywordParameter","outputs":[],"stateMutability":"pure","type":"function"}]`},
+		imports: `
+			"math/big"
+
+			"github.com/ethereum/go-ethereum/accounts/abi/bind"
+			"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
+			"github.com/ethereum/go-ethereum/core"
+			"github.com/ethereum/go-ethereum/crypto"
+			"github.com/ethereum/go-ethereum/eth/ethconfig"
+		`,
+		tester: `
+			var (
+				key, _  = crypto.GenerateKey()
+				user, _ = bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
+				sim     = backends.NewSimulatedBackend(core.GenesisAlloc{user.From: {Balance: big.NewInt(1000000000000000000)}}, ethconfig.Defaults.Miner.GasCeil)
+			)
+			_, tx, _, err := DeployRangeKeyword(user, sim)
+			if err != nil {
+				t.Fatalf("error deploying contract: %v", err)
+			}
+			sim.Commit()
+
+			if _, err = bind.WaitDeployed(nil, sim, tx); err != nil {
+				t.Errorf("error deploying the contract: %v", err)
+			}
+		`,
+	},
 }
 
 // Tests that packages generated by the binder can be successfully compiled and

accounts/abi/error_handling.go

@@ -73,7 +73,6 @@ func typeCheck(t Type, value reflect.Value) error {
 	} else {
 		return nil
 	}
-
 }
 
 // typeErr returns a formatted type casting error.

accounts/abi/event_test.go

@@ -161,7 +161,6 @@ func TestEventMultiValueWithArrayUnpack(t *testing.T) {
 }
 
 func TestEventTupleUnpack(t *testing.T) {
-
 	type EventTransfer struct {
 		Value *big.Int
 	}

accounts/abi/reflect.go

@@ -220,7 +220,6 @@ func mapArgNamesToStructFields(argNames []string, value reflect.Value) (map[stri
 
 	// second round ~~~
 	for _, argName := range argNames {
-
 		structFieldName := ToCamelCase(argName)
 
 		if structFieldName == "" {

accounts/abi/selector_parser.go

@@ -166,7 +166,7 @@ func ParseSelector(unescapedSelector string) (SelectorMarshaling, error) {
 		return SelectorMarshaling{}, fmt.Errorf("failed to parse selector '%s': unexpected string '%s'", unescapedSelector, rest)
 	}
 
-	// Reassemble the fake ABI and constuct the JSON
+	// Reassemble the fake ABI and construct the JSON
 	fakeArgs, err := assembleArgs(args)
 	if err != nil {
 		return SelectorMarshaling{}, fmt.Errorf("failed to parse selector: %v", err)

accounts/abi/unpack.go

@@ -115,7 +115,6 @@ func ReadFixedBytes(t Type, word []byte) (interface{}, error) {
 
 	reflect.Copy(array, reflect.ValueOf(word[0:t.Size]))
 	return array.Interface(), nil
-
 }
 
 // forEachUnpack iteratively unpack elements.

accounts/keystore/keystore_test.go

@@ -377,7 +377,6 @@ func TestImportExport(t *testing.T) {
 	if _, err = ks2.Import(json, "new", "new"); err == nil {
 		t.Errorf("importing a key twice succeeded")
 	}
-
 }
 
 // TestImportRace tests the keystore on races.
@@ -402,7 +401,6 @@ func TestImportRace(t *testing.T) {
 			if _, err := ks2.Import(json, "new", "new"); err != nil {
 				atomic.AddUint32(&atom, 1)
 			}
-
 		}()
 	}
 	wg.Wait()

accounts/keystore/passphrase.go

@@ -138,7 +138,6 @@ func (ks keyStorePassphrase) JoinPath(filename string) string {
 
 // Encryptdata encrypts the data given as 'data' with the password 'auth'.
 func EncryptDataV3(data, auth []byte, scryptN, scryptP int) (CryptoJSON, error) {
-
 	salt := make([]byte, 32)
 	if _, err := io.ReadFull(rand.Reader, salt); err != nil {
 		panic("reading from crypto/rand failed: " + err.Error())
@@ -341,7 +340,6 @@ func getKDFKey(cryptoJSON CryptoJSON, auth string) ([]byte, error) {
 		r := ensureInt(cryptoJSON.KDFParams["r"])
 		p := ensureInt(cryptoJSON.KDFParams["p"])
 		return scrypt.Key(authArray, salt, n, r, p, dkLen)
-
 	} else if cryptoJSON.KDF == "pbkdf2" {
 		c := ensureInt(cryptoJSON.KDFParams["c"])
 		prf := cryptoJSON.KDFParams["prf"].(string)

accounts/scwallet/securechannel.go

@@ -178,7 +178,7 @@ func (s *SecureChannelSession) mutuallyAuthenticate() error {
 		return err
 	}
 	if response.Sw1 != 0x90 || response.Sw2 != 0x00 {
-		return fmt.Errorf("got unexpected response from MUTUALLY_AUTHENTICATE: 0x%x%x", response.Sw1, response.Sw2)
+		return fmt.Errorf("got unexpected response from MUTUALLY_AUTHENTICATE: %#x%x", response.Sw1, response.Sw2)
 	}
 
 	if len(response.Data) != scSecretLength {
@@ -261,7 +261,7 @@ func (s *SecureChannelSession) transmitEncrypted(cla, ins, p1, p2 byte, data []b
 	rapdu.deserialize(plainData)
 
 	if rapdu.Sw1 != sw1Ok {
-		return nil, fmt.Errorf("unexpected response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", cla, ins, rapdu.Sw1, rapdu.Sw2)
+		return nil, fmt.Errorf("unexpected response status Cla=%#x, Ins=%#x, Sw=%#x%x", cla, ins, rapdu.Sw1, rapdu.Sw2)
 	}
 
 	return rapdu, nil

accounts/scwallet/wallet.go

@@ -167,7 +167,7 @@ func transmit(card *pcsc.Card, command *commandAPDU) (*responseAPDU, error) {
 	}
 
 	if response.Sw1 != sw1Ok {
-		return nil, fmt.Errorf("unexpected insecure response status Cla=0x%x, Ins=0x%x, Sw=0x%x%x", command.Cla, command.Ins, response.Sw1, response.Sw2)
+		return nil, fmt.Errorf("unexpected insecure response status Cla=%#x, Ins=%#x, Sw=%#x%x", command.Cla, command.Ins, response.Sw1, response.Sw2)
 	}
 
 	return response, nil

accounts/usbwallet/wallet.go

@@ -526,7 +526,6 @@ func (w *wallet) signHash(account accounts.Account, hash []byte) ([]byte, error)
 
 // SignData signs keccak256(data). The mimetype parameter describes the type of data being signed
 func (w *wallet) SignData(account accounts.Account, mimeType string, data []byte) ([]byte, error) {
-
 	// Unless we are doing 712 signing, simply dispatch to signHash
 	if !(mimeType == accounts.MimetypeTypedData && len(data) == 66 && data[0] == 0x19 && data[1] == 0x01) {
 		return w.signHash(account, crypto.Keccak256(data))

build/checksums.txt

@@ -1,58 +1,38 @@
 # This file contains sha256 checksums of optional build dependencies.
 
-efd43e0f1402e083b73a03d444b7b6576bb4c539ac46208b63a916b69aca4088  go1.18.1.src.tar.gz
-3703e9a0db1000f18c0c7b524f3d378aac71219b4715a6a4c5683eb639f41a4d  go1.18.1.darwin-amd64.tar.gz
-6d5641a06edba8cd6d425fb0adad06bad80e2afe0fa91b4aa0e5aed1bc78f58e  go1.18.1.darwin-arm64.tar.gz
-b9a9063d4265d8ccc046c9b314194d6eadc47e56d0d637db81e98e68aad45035  go1.18.1.freebsd-386.tar.gz
-2bc1c138d645e37dbbc63517dd1cf1bf33fc4cb95f442a6384df0418b5134e9f  go1.18.1.freebsd-amd64.tar.gz
-9a8df5dde9058f08ac01ecfaae42534610db398e487138788c01da26a0d41ff9  go1.18.1.linux-386.tar.gz
-b3b815f47ababac13810fc6021eb73d65478e0b2db4b09d348eefad9581a2334  go1.18.1.linux-amd64.tar.gz
-56a91851c97fb4697077abbca38860f735c32b38993ff79b088dac46e4735633  go1.18.1.linux-arm64.tar.gz
-9edc01c8e7db64e9ceeffc8258359e027812886ceca3444e83c4eb96ddb068ee  go1.18.1.linux-armv6l.tar.gz
-33db623d1eecf362fe365107c12efc90eff0b9609e0b3345e258388019cb552a  go1.18.1.linux-ppc64le.tar.gz
-5d9301324148ed4dbfaa0800da43a843ffd65c834ee73fcf087255697c925f74  go1.18.1.linux-s390x.tar.gz
-49ae65551acbfaa57b52fbefa0350b2072512ae3103b8cf1a919a02626dbc743  go1.18.1.windows-386.zip
-c30bc3f1f7314a953fe208bd9cd5e24bd9403392a6c556ced3677f9f70f71fe1  go1.18.1.windows-amd64.zip
-2c4a8265030eac37f906634f5c13c22c3d0ea725f2488e1bca005c6b981653d7  go1.18.1.windows-arm64.zip
+4525aa6b0e3cecb57845f4060a7075aafc9ab752bb7b6b4cf8a212d43078e1e4  go1.18.4.src.tar.gz
+315e1a2b21a827c68da1b7f492b5dcbe81d8df8a79ebe50922df9588893f87f0  go1.18.4.darwin-amd64.tar.gz
+04eed623d5143ffa44965b618b509e0beccccfd3a4a1bfebc0cdbcf906046769  go1.18.4.darwin-arm64.tar.gz
+e5244fdcd6b6eaf785dbd8c6e02b4804a4d00409e7edecc63cd59fc8f37c34c5  go1.18.4.freebsd-386.tar.gz
+fb00f8aaffcc80e0a2bd39db1d8e8e21ef0a691c564f7b7601383dd6adad4042  go1.18.4.freebsd-amd64.tar.gz
+418232d905e18ece6cb13c4884bb1c68963d7d3b4d889671b3e5be8bd4059862  go1.18.4.linux-386.tar.gz
+c9b099b68d93f5c5c8a8844a89f8db07eaa58270e3a1e01804f17f4cf8df02f5  go1.18.4.linux-amd64.tar.gz
+35014d92b50d97da41dade965df7ebeb9a715da600206aa59ce1b2d05527421f  go1.18.4.linux-arm64.tar.gz
+7dfeab572e49638b0f3d9901457f0622c27b73301c2b99db9f5e9568ff40460c  go1.18.4.linux-armv6l.tar.gz
+f80acc4dc054ddc89ccc4869664e331bf16e0ac6e07830e94554162e66f66961  go1.18.4.linux-ppc64le.tar.gz
+7e932f36e8f347feea2e706dcd32c1a464b1e5767ab2928ae460a37a975fe4a3  go1.18.4.linux-s390x.tar.gz
+6343010a13ab783e553786b3cc3b4d63080128f61cf1e963505139c71ca66a0d  go1.18.4.windows-386.zip
+dfb93c517e050ba0cfc066802b38a8e7cda2ef666efd634859356b33f543cc49  go1.18.4.windows-amd64.zip
+7d0d7b73592019d276f2bd44ee3cda0d8bd99356fdbf04fdb40c263518108ae4  go1.18.4.windows-arm64.zip
 
-03c181fc1bb29ea3e73cbb23399c43b081063833a7cf7554b94e5a98308df53e  golangci-lint-1.45.2-linux-riscv64.deb
-08a50bbbf451ede6d5354179eb3e14a5634e156dfa92cb9a2606f855a637e35b  golangci-lint-1.45.2-linux-ppc64le.rpm
-0d12f6ec1296b5a70e392aa88cd2295cceef266165eb7028e675f455515dd1c9  golangci-lint-1.45.2-linux-armv7.deb
-10f2846e2e50e4ea8ae426ee62dcd2227b23adddd8e991aa3c065927ac948735  golangci-lint-1.45.2-linux-ppc64le.deb
-1463049b744871168095e3e8f687247d6040eeb895955b869889ea151e0603ab  golangci-lint-1.45.2-linux-arm64.tar.gz
-15720f9c4c6f9324af695f081dc189adc7751b255759e78d7b2df1d7e9192533  golangci-lint-1.45.2-linux-amd64.deb
-166d922e4d3cfe3d47786c590154a9c8ea689dff0aa92b73d2f5fc74fc570c29  golangci-lint-1.45.2-linux-arm64.rpm
-1a3754c69f7cc19ab89cbdcc2550da4cf9abb3120383c6b3bd440c1ec22da2e6  golangci-lint-1.45.2-freebsd-386.tar.gz
-1dec0aa46d4f0d241863b573f70129bdf1de9c595cf51172a840a588a4cd9fc5  golangci-lint-1.45.2-windows-amd64.zip
-3198453806517c1ad988229f5e758ef850e671203f46d6905509df5bdf4dc24b  golangci-lint-1.45.2-freebsd-armv7.tar.gz
-46a3cd1749d7b98adc2dc01510ddbe21abe42689c8a53fb0e81662713629f215  golangci-lint-1.45.2-linux-386.deb
-4e28bfb593d464b9e160f2acd5b71993836a183270bf8299b78ad31f7a168c0d  golangci-lint-1.45.2-linux-arm64.deb
-5157a58c8f9ab85c33af2e46f0d7c57a3b1e8953b81d61130e292e09f545cfab  golangci-lint-1.45.2-linux-mips64le.tar.gz
-518cd027644129fbf8ec4f02bd6f9ad7278aae826f92b63c80d4d0819ddde49a  golangci-lint-1.45.2-linux-armv6.rpm
-595ad6c6dade4c064351bc309f411703e457f8ffbb7a1806b3d8ee713333427f  golangci-lint-1.45.2-linux-amd64.tar.gz
-6994d6c80f0730751090986184a3481b4be2e6b6e84416238a2b857910045a4f  golangci-lint-1.45.2-windows-arm64.zip
-6c81652fc340118811b487f713c441fc6f527800bf5fd11b8929d08124efa015  golangci-lint-1.45.2-linux-armv7.tar.gz
-726cb045559b7518bafdd3459de70a0647c087eb1b4634627a4b2e95b1258580  golangci-lint-1.45.2-freebsd-amd64.tar.gz
-77df3774cdfda49b956d4a0e676da9a9b883f496ee37293c530770fef6b1d24e  golangci-lint-1.45.2-linux-mips64.deb
-7a9840f279a7d5d405bb434e101c2290964b3729630ac2add29280b962b7b9a5  golangci-lint-1.45.2-windows-armv6.zip
-7d4bf9a5d80ec467aaaf66e78dbdcab567bbc6ba8151334c714eee58766aae32  golangci-lint-1.45.2-windows-armv7.zip
-7e5f8821d39bb11d273b0841b34355f56bd5a45a2d5179f0d09e614e0efc0482  golangci-lint-1.45.2-linux-s390x.rpm
-828de1bde796b23d8656b17a8885fbd879ef612795d62d1e4618126b419728b5  golangci-lint-1.45.2-linux-mips64.rpm
-879a52107a797678a03c175cc7cf441411a14a01f66dc87f70bdfa304a4129a6  golangci-lint-1.45.2-windows-386.zip
-87b6c7e3a3769f7d9abeb3bb82119b3c91e3c975300f6834fdeef8b2e37c98ff  golangci-lint-1.45.2-linux-amd64.rpm
-8b605c6d686c8af53ecc4ef39544541eeb1644d34cc10f9ffc5087808210c4ff  golangci-lint-1.45.2-linux-s390x.deb
-9427dbf51d0ac6f73a0f992838bd40c817470cc5bf6c8e2e2bea6fac46d7af6e  golangci-lint-1.45.2-linux-ppc64le.tar.gz
-995e509e895ca6a64ffc7395ac884d5961bdec98423cb896b17f345a9b4a19cf  golangci-lint-1.45.2-darwin-amd64.tar.gz
-a3f36278f2ea5516341e9071a2df6e65df272be80230b5406a12b72c6d425bee  golangci-lint-1.45.2-linux-armv7.rpm
-a5e12c50c23e87ac1deffc872f92ae85427b1198604969399805ae47cfe43f08  golangci-lint-1.45.2-linux-riscv64.tar.gz
-aa8fa1be0729dbc2fbc4e01e82027097613eee74bd686ebef20f860b01fff8b3  golangci-lint-1.45.2-freebsd-armv6.tar.gz
-c2b9669decc1b638cf2ee9060571af4e255f6dfcbb225c293e3a7ee4bb2c7217  golangci-lint-1.45.2-darwin-arm64.tar.gz
-dfa8bdaf0387aec1cd5c1aa8857f67b2bbdfc2e42efce540c8fb9bbe3e8af302  golangci-lint-1.45.2-linux-armv6.tar.gz
-eb8b8539dd017eee5c131ea9b875893ab2cebeeca41e8c6624907fb02224d643  golangci-lint-1.45.2-linux-386.rpm
-ed6c7e17a857f30d715c5302fa250d95936936b277024bffea201187a257d7a7  golangci-lint-1.45.2-linux-armv6.deb
-ef4d0154ace4001f01b288baeb118176242efb4fd163e178763e3213b77ef30b  golangci-lint-1.45.2-linux-mips64le.deb
-ef7002a2229f5ff5ba201a715fcf877664ea88decbe58e69d163293913024955  golangci-lint-1.45.2-linux-s390x.tar.gz
-f13ecbd09228632e6bbe91a8324bd675c406eed22eb6d2c1e8192eed9ec4f914  golangci-lint-1.45.2-linux-386.tar.gz
-f4cd9cfb09252f51699407277512263cae8409b665dd764f55a34738d0e89edc  golangci-lint-1.45.2-linux-riscv64.rpm
-fb1945dc59d37c9d14bf0a4aea11ea8651fa0e1d582ea80c4c44d0a536c08893  golangci-lint-1.45.2-linux-mips64.tar.gz
-fe542c22738010f453c735a3c410decfd3784d1bd394b395c298ee298fc4c606  golangci-lint-1.45.2-linux-mips64le.rpm
+658078aaaf7608693f37c4cf1380b2af418ab8b2d23fdb33e7e2d4339328590e  golangci-lint-1.46.2-darwin-amd64.tar.gz
+81f9b4afd62ec5e612ef8bc3b1d612a88b56ff289874831845cdad394427385f  golangci-lint-1.46.2-darwin-arm64.tar.gz
+943486e703e62ec55ecd90caeb22bcd39f8cc3962a93eec18c06b7bae12cb46f  golangci-lint-1.46.2-freebsd-386.tar.gz
+a75dd9ba7e08e8315c411697171db5375c0f6a1ece9e6fbeb9e9a4386822e17d  golangci-lint-1.46.2-freebsd-amd64.tar.gz
+83eedca1af72e8be055a1235177eb1b33524fbf08bec5730df2e6c3efade2b23  golangci-lint-1.46.2-freebsd-armv6.tar.gz
+513d276c490de6f82baa01f9346d8d78b385f2ae97608f42f05d1f0f1314cd54  golangci-lint-1.46.2-freebsd-armv7.tar.gz
+461a60016d516c69d406dc3e2d4957b722dbe684b7085dfac4802d0f84409e27  golangci-lint-1.46.2-linux-386.tar.gz
+242cd4f2d6ac0556e315192e8555784d13da5d1874e51304711570769c4f2b9b  golangci-lint-1.46.2-linux-amd64.tar.gz
+ff5448ada2b3982581984d64b0dec614dba0a3ea4cab2d6a343c77927fc89f7e  golangci-lint-1.46.2-linux-arm64.tar.gz
+177f5210ef04aee282bfbc6ec519d36af5fb7d2b2c8d3f4ea5e59fdba71b0a27  golangci-lint-1.46.2-linux-armv6.tar.gz
+10dd512a36ee978a1009edbca3ba3af410f0fda8df4d85f0e4793a24213870cc  golangci-lint-1.46.2-linux-armv7.tar.gz
+67779fa517c688c9db1090c3c456117d95c6b92979c623fe8cce8fb84251f21e  golangci-lint-1.46.2-linux-mips64.tar.gz
+c085f0f57bdccbb2c902a41b72ce210a3dfff16ca856789374745ab52004b6ee  golangci-lint-1.46.2-linux-mips64le.tar.gz
+abecef6421499248e58ed75d2938bc12b4b1f98b057f25060680b77bb51a881e  golangci-lint-1.46.2-linux-ppc64le.tar.gz
+134843a8f5c5c182c11979ea75f5866945d54757b2a04f3e5e04a0cf4fbf3a39  golangci-lint-1.46.2-linux-riscv64.tar.gz
+9fe21a9476567aafe7a2e1a926b9641a39f920d4c0ea8eda9d968bc6136337f9  golangci-lint-1.46.2-linux-s390x.tar.gz
+b48a421ec12a43f8fc8f977b9cf7d4a1ea1c4b97f803a238de7d3ce4ab23a84b  golangci-lint-1.46.2-windows-386.zip
+604acc1378a566abb0eac799362f3a37b7fcb5fa2268aeb2d5d954c829367301  golangci-lint-1.46.2-windows-amd64.zip
+927def10db073da9687594072e6a3d9c891f67fa897105a2cfd715e018e7386c  golangci-lint-1.46.2-windows-arm64.zip
+729b76ed1d8b4e2612e38772b211503cb940e00a137bbaace1aa066f7c943737  golangci-lint-1.46.2-windows-armv6.zip
+ea27c86d91e0b245ecbcfbf6cdb4ac0522d4bc6dca56bba02ea1bc77ad2917ac  golangci-lint-1.46.2-windows-armv7.zip

build/ci.go

@@ -136,12 +136,12 @@ var (
 	// Note: the following Ubuntu releases have been officially deprecated on Launchpad:
 	//   wily, yakkety, zesty, artful, cosmic, disco, eoan, groovy, hirsuite
 	debDistroGoBoots = map[string]string{
-		"trusty":  "golang-1.11", // EOL: 04/2024
-		"xenial":  "golang-go",   // EOL: 04/2026
-		"bionic":  "golang-go",   // EOL: 04/2028
-		"focal":   "golang-go",   // EOL: 04/2030
-		"impish":  "golang-go",   // EOL: 07/2022
-		"jammy":   "golang-go",   // EOL: 04/2032
+		"trusty": "golang-1.11", // EOL: 04/2024
+		"xenial": "golang-go",   // EOL: 04/2026
+		"bionic": "golang-go",   // EOL: 04/2028
+		"focal":  "golang-go",   // EOL: 04/2030
+		"impish": "golang-go",   // EOL: 07/2022
+		"jammy":  "golang-go",   // EOL: 04/2032
 		//"kinetic": "golang-go",   //  EOL: 07/2023
 	}
 
@@ -153,7 +153,7 @@ var (
 	// This is the version of go that will be downloaded by
 	//
 	//     go run ci.go install -dlgo
-	dlgoVersion = "1.18.1"
+	dlgoVersion = "1.18.4"
 )
 
 var GOBIN, _ = filepath.Abs(filepath.Join("build", "bin"))
@@ -228,6 +228,9 @@ func doInstall(cmdline []string) {
 		gobuild.Args = append(gobuild.Args, "-p", "1")
 	}
 
+	// Disable CLI markdown doc generation in release builds.
+	gobuild.Args = append(gobuild.Args, "-tags", "urfave_cli_no_docs")
+
 	// We use -trimpath to avoid leaking local paths into the built executables.
 	gobuild.Args = append(gobuild.Args, "-trimpath")
 
@@ -339,7 +342,7 @@ func doLint(cmdline []string) {
 
 // downloadLinter downloads and unpacks golangci-lint.
 func downloadLinter(cachedir string) string {
-	const version = "1.45.2"
+	const version = "1.46.2"
 
 	csdb := build.MustLoadChecksums("build/checksums.txt")
 	arch := runtime.GOARCH

build/deb/ethereum/completions/bash/geth

@@ -0,0 +1,16 @@
+_geth_bash_autocomplete() {
+  if [[ "${COMP_WORDS[0]}" != "source" ]]; then
+    local cur opts base
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    if [[ "$cur" == "-"* ]]; then
+      opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} ${cur} --generate-bash-completion )
+    else
+      opts=$( ${COMP_WORDS[@]:0:$COMP_CWORD} --generate-bash-completion )
+    fi
+    COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+    return 0
+  fi
+}
+
+complete -o bashdefault -o default -o nospace -F _geth_bash_autocomplete geth

build/deb/ethereum/completions/zsh/_geth

@@ -0,0 +1,18 @@
+_geth_zsh_autocomplete() {
+  local -a opts
+  local cur
+  cur=${words[-1]}
+  if [[ "$cur" == "-"* ]]; then
+    opts=("${(@f)$(${words[@]:0:#words[@]-1} ${cur} --generate-bash-completion)}")
+  else
+    opts=("${(@f)$(${words[@]:0:#words[@]-1} --generate-bash-completion)}")
+  fi
+
+  if [[ "${opts[1]}" != "" ]]; then
+    _describe 'values' opts
+  else
+    _files
+  fi
+}
+
+compdef _geth_zsh_autocomplete geth

build/deb/ethereum/deb.install

@@ -1 +1,5 @@
 build/bin/{{.BinaryName}} usr/bin
+{{- if eq .BinaryName "geth" }}
+build/deb/ethereum/completions/bash/geth etc/bash_completion.d
+build/deb/ethereum/completions/zsh/_geth usr/share/zsh/vendor-completions
+{{end -}}

cmd/abigen/main.go

@@ -30,7 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
@@ -39,42 +39,44 @@ var (
 	gitDate   = ""
 
 	app *cli.App
+)
 
+var (
 	// Flags needed by abigen
-	abiFlag = cli.StringFlag{
+	abiFlag = &cli.StringFlag{
 		Name:  "abi",
 		Usage: "Path to the Ethereum contract ABI json to bind, - for STDIN",
 	}
-	binFlag = cli.StringFlag{
+	binFlag = &cli.StringFlag{
 		Name:  "bin",
 		Usage: "Path to the Ethereum contract bytecode (generate deploy method)",
 	}
-	typeFlag = cli.StringFlag{
+	typeFlag = &cli.StringFlag{
 		Name:  "type",
 		Usage: "Struct name for the binding (default = package name)",
 	}
-	jsonFlag = cli.StringFlag{
+	jsonFlag = &cli.StringFlag{
 		Name:  "combined-json",
 		Usage: "Path to the combined-json file generated by compiler, - for STDIN",
 	}
-	excFlag = cli.StringFlag{
+	excFlag = &cli.StringFlag{
 		Name:  "exc",
 		Usage: "Comma separated types to exclude from binding",
 	}
-	pkgFlag = cli.StringFlag{
+	pkgFlag = &cli.StringFlag{
 		Name:  "pkg",
 		Usage: "Package name to generate the binding into",
 	}
-	outFlag = cli.StringFlag{
+	outFlag = &cli.StringFlag{
 		Name:  "out",
 		Usage: "Output file for the generated binding (default = stdout)",
 	}
-	langFlag = cli.StringFlag{
+	langFlag = &cli.StringFlag{
 		Name:  "lang",
 		Usage: "Destination language for the bindings (go, java, objc)",
 		Value: "go",
 	}
-	aliasFlag = cli.StringFlag{
+	aliasFlag = &cli.StringFlag{
 		Name:  "alias",
 		Usage: "Comma separated aliases for function and event renaming, e.g. original1=alias1, original2=alias2",
 	}
@@ -82,6 +84,7 @@ var (
 
 func init() {
 	app = flags.NewApp(gitCommit, gitDate, "ethereum checkpoint helper tool")
+	app.Name = "abigen"
 	app.Flags = []cli.Flag{
 		abiFlag,
 		binFlag,
@@ -93,17 +96,17 @@ func init() {
 		langFlag,
 		aliasFlag,
 	}
-	app.Action = utils.MigrateFlags(abigen)
-	cli.CommandHelpTemplate = flags.OriginCommandHelpTemplate
+	app.Action = abigen
 }
 
 func abigen(c *cli.Context) error {
 	utils.CheckExclusive(c, abiFlag, jsonFlag) // Only one source can be selected.
-	if c.GlobalString(pkgFlag.Name) == "" {
+
+	if c.String(pkgFlag.Name) == "" {
 		utils.Fatalf("No destination package specified (--pkg)")
 	}
 	var lang bind.Lang
-	switch c.GlobalString(langFlag.Name) {
+	switch c.String(langFlag.Name) {
 	case "go":
 		lang = bind.LangGo
 	case "java":
@@ -112,7 +115,7 @@ func abigen(c *cli.Context) error {
 		lang = bind.LangObjC
 		utils.Fatalf("Objc binding generation is uncompleted")
 	default:
-		utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.GlobalString(langFlag.Name))
+		utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.String(langFlag.Name))
 	}
 	// If the entire solidity code was specified, build and bind based on that
 	var (
@@ -123,13 +126,13 @@ func abigen(c *cli.Context) error {
 		libs    = make(map[string]string)
 		aliases = make(map[string]string)
 	)
-	if c.GlobalString(abiFlag.Name) != "" {
+	if c.String(abiFlag.Name) != "" {
 		// Load up the ABI, optional bytecode and type name from the parameters
 		var (
 			abi []byte
 			err error
 		)
-		input := c.GlobalString(abiFlag.Name)
+		input := c.String(abiFlag.Name)
 		if input == "-" {
 			abi, err = io.ReadAll(os.Stdin)
 		} else {
@@ -141,7 +144,7 @@ func abigen(c *cli.Context) error {
 		abis = append(abis, string(abi))
 
 		var bin []byte
-		if binFile := c.GlobalString(binFlag.Name); binFile != "" {
+		if binFile := c.String(binFlag.Name); binFile != "" {
 			if bin, err = os.ReadFile(binFile); err != nil {
 				utils.Fatalf("Failed to read input bytecode: %v", err)
 			}
@@ -151,22 +154,22 @@ func abigen(c *cli.Context) error {
 		}
 		bins = append(bins, string(bin))
 
-		kind := c.GlobalString(typeFlag.Name)
+		kind := c.String(typeFlag.Name)
 		if kind == "" {
-			kind = c.GlobalString(pkgFlag.Name)
+			kind = c.String(pkgFlag.Name)
 		}
 		types = append(types, kind)
 	} else {
 		// Generate the list of types to exclude from binding
 		exclude := make(map[string]bool)
-		for _, kind := range strings.Split(c.GlobalString(excFlag.Name), ",") {
+		for _, kind := range strings.Split(c.String(excFlag.Name), ",") {
 			exclude[strings.ToLower(kind)] = true
 		}
 		var contracts map[string]*compiler.Contract
 
-		if c.GlobalIsSet(jsonFlag.Name) {
+		if c.IsSet(jsonFlag.Name) {
 			var (
-				input      = c.GlobalString(jsonFlag.Name)
+				input      = c.String(jsonFlag.Name)
 				jsonOutput []byte
 				err        error
 			)
@@ -207,28 +210,28 @@ func abigen(c *cli.Context) error {
 		}
 	}
 	// Extract all aliases from the flags
-	if c.GlobalIsSet(aliasFlag.Name) {
+	if c.IsSet(aliasFlag.Name) {
 		// We support multi-versions for aliasing
 		// e.g.
 		//      foo=bar,foo2=bar2
 		//      foo:bar,foo2:bar2
 		re := regexp.MustCompile(`(?:(\w+)[:=](\w+))`)
-		submatches := re.FindAllStringSubmatch(c.GlobalString(aliasFlag.Name), -1)
+		submatches := re.FindAllStringSubmatch(c.String(aliasFlag.Name), -1)
 		for _, match := range submatches {
 			aliases[match[1]] = match[2]
 		}
 	}
 	// Generate the contract binding
-	code, err := bind.Bind(types, abis, bins, sigs, c.GlobalString(pkgFlag.Name), lang, libs, aliases)
+	code, err := bind.Bind(types, abis, bins, sigs, c.String(pkgFlag.Name), lang, libs, aliases)
 	if err != nil {
 		utils.Fatalf("Failed to generate ABI binding: %v", err)
 	}
 	// Either flush it out to a file or display on the standard output
-	if !c.GlobalIsSet(outFlag.Name) {
+	if !c.IsSet(outFlag.Name) {
 		fmt.Printf("%s\n", code)
 		return nil
 	}
-	if err := os.WriteFile(c.GlobalString(outFlag.Name), []byte(code), 0600); err != nil {
+	if err := os.WriteFile(c.String(outFlag.Name), []byte(code), 0600); err != nil {
 		utils.Fatalf("Failed to write ABI binding: %v", err)
 	}
 	return nil

cmd/checkpoint-admin/common.go

@@ -28,12 +28,12 @@ import (
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 // newClient creates a client with specified remote URL.
 func newClient(ctx *cli.Context) *ethclient.Client {
-	client, err := ethclient.Dial(ctx.GlobalString(nodeURLFlag.Name))
+	client, err := ethclient.Dial(ctx.String(nodeURLFlag.Name))
 	if err != nil {
 		utils.Fatalf("Failed to connect to Ethereum node: %v", err)
 	}
@@ -64,9 +64,9 @@ func getContractAddr(client *rpc.Client) common.Address {
 func getCheckpoint(ctx *cli.Context, client *rpc.Client) *params.TrustedCheckpoint {
 	var checkpoint *params.TrustedCheckpoint
 
-	if ctx.GlobalIsSet(indexFlag.Name) {
+	if ctx.IsSet(indexFlag.Name) {
 		var result [3]string
-		index := uint64(ctx.GlobalInt64(indexFlag.Name))
+		index := uint64(ctx.Int64(indexFlag.Name))
 		if err := client.Call(&result, "les_getCheckpoint", index); err != nil {
 			utils.Fatalf("Failed to get local checkpoint %v, please ensure the les API is exposed", err)
 		}

cmd/checkpoint-admin/exec.go

@@ -36,10 +36,10 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var commandDeploy = cli.Command{
+var commandDeploy = &cli.Command{
 	Name:  "deploy",
 	Usage: "Deploy a new checkpoint oracle contract",
 	Flags: []cli.Flag{
@@ -49,10 +49,10 @@ var commandDeploy = cli.Command{
 		signersFlag,
 		thresholdFlag,
 	},
-	Action: utils.MigrateFlags(deploy),
+	Action: deploy,
 }
 
-var commandSign = cli.Command{
+var commandSign = &cli.Command{
 	Name:  "sign",
 	Usage: "Sign the checkpoint with the specified key",
 	Flags: []cli.Flag{
@@ -63,10 +63,10 @@ var commandSign = cli.Command{
 		hashFlag,
 		oracleFlag,
 	},
-	Action: utils.MigrateFlags(sign),
+	Action: sign,
 }
 
-var commandPublish = cli.Command{
+var commandPublish = &cli.Command{
 	Name:  "publish",
 	Usage: "Publish a checkpoint into the oracle",
 	Flags: []cli.Flag{
@@ -76,7 +76,7 @@ var commandPublish = cli.Command{
 		indexFlag,
 		signaturesFlag,
 	},
-	Action: utils.MigrateFlags(publish),
+	Action: publish,
 }
 
 // deploy deploys the checkpoint registrar contract.
@@ -132,7 +132,7 @@ func sign(ctx *cli.Context) error {
 		node   *rpc.Client
 		oracle *checkpointoracle.CheckpointOracle
 	)
-	if !ctx.GlobalIsSet(nodeURLFlag.Name) {
+	if !ctx.IsSet(nodeURLFlag.Name) {
 		// Offline mode signing
 		offline = true
 		if !ctx.IsSet(hashFlag.Name) {
@@ -151,7 +151,7 @@ func sign(ctx *cli.Context) error {
 		address = common.HexToAddress(ctx.String(oracleFlag.Name))
 	} else {
 		// Interactive mode signing, retrieve the data from the remote node
-		node = newRPCClient(ctx.GlobalString(nodeURLFlag.Name))
+		node = newRPCClient(ctx.String(nodeURLFlag.Name))
 
 		checkpoint := getCheckpoint(ctx, node)
 		chash, cindex, address = checkpoint.Hash(), checkpoint.SectionIndex, getContractAddr(node)
@@ -265,7 +265,7 @@ func publish(ctx *cli.Context) error {
 	}
 	// Retrieve the checkpoint we want to sign to sort the signatures
 	var (
-		client       = newRPCClient(ctx.GlobalString(nodeURLFlag.Name))
+		client       = newRPCClient(ctx.String(nodeURLFlag.Name))
 		addr, oracle = newContract(client)
 		checkpoint   = getCheckpoint(ctx, client)
 		sighash      = sighash(checkpoint.SectionIndex, addr, checkpoint.Hash())

cmd/checkpoint-admin/main.go

@@ -25,20 +25,20 @@ import (
 	"github.com/ethereum/go-ethereum/common/fdlimit"
 	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
 	// Git SHA1 commit hash of the release (set via linker flags)
 	gitCommit = ""
 	gitDate   = ""
-)
 
-var app *cli.App
+	app *cli.App
+)
 
 func init() {
 	app = flags.NewApp(gitCommit, gitDate, "ethereum checkpoint helper tool")
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		commandStatus,
 		commandDeploy,
 		commandSign,
@@ -48,46 +48,45 @@ func init() {
 		oracleFlag,
 		nodeURLFlag,
 	}
-	cli.CommandHelpTemplate = flags.OriginCommandHelpTemplate
 }
 
 // Commonly used command line flags.
 var (
-	indexFlag = cli.Int64Flag{
+	indexFlag = &cli.Int64Flag{
 		Name:  "index",
 		Usage: "Checkpoint index (query latest from remote node if not specified)",
 	}
-	hashFlag = cli.StringFlag{
+	hashFlag = &cli.StringFlag{
 		Name:  "hash",
 		Usage: "Checkpoint hash (query latest from remote node if not specified)",
 	}
-	oracleFlag = cli.StringFlag{
+	oracleFlag = &cli.StringFlag{
 		Name:  "oracle",
 		Usage: "Checkpoint oracle address (query from remote node if not specified)",
 	}
-	thresholdFlag = cli.Int64Flag{
+	thresholdFlag = &cli.Int64Flag{
 		Name:  "threshold",
 		Usage: "Minimal number of signatures required to approve a checkpoint",
 	}
-	nodeURLFlag = cli.StringFlag{
+	nodeURLFlag = &cli.StringFlag{
 		Name:  "rpc",
 		Value: "http://localhost:8545",
 		Usage: "The rpc endpoint of a local or remote geth node",
 	}
-	clefURLFlag = cli.StringFlag{
+	clefURLFlag = &cli.StringFlag{
 		Name:  "clef",
 		Value: "http://localhost:8550",
 		Usage: "The rpc endpoint of clef",
 	}
-	signerFlag = cli.StringFlag{
+	signerFlag = &cli.StringFlag{
 		Name:  "signer",
 		Usage: "Signer address for clef signing",
 	}
-	signersFlag = cli.StringFlag{
+	signersFlag = &cli.StringFlag{
 		Name:  "signers",
 		Usage: "Comma separated accounts of trusted checkpoint signers",
 	}
-	signaturesFlag = cli.StringFlag{
+	signaturesFlag = &cli.StringFlag{
 		Name:  "signatures",
 		Usage: "Comma separated checkpoint signatures to submit",
 	}

cmd/checkpoint-admin/status.go

@@ -19,24 +19,23 @@ package main
 import (
 	"fmt"
 
-	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/common"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var commandStatus = cli.Command{
+var commandStatus = &cli.Command{
 	Name:  "status",
 	Usage: "Fetches the signers and checkpoint status of the oracle contract",
 	Flags: []cli.Flag{
 		nodeURLFlag,
 	},
-	Action: utils.MigrateFlags(status),
+	Action: status,
 }
 
 // status fetches the admin list of specified registrar contract.
 func status(ctx *cli.Context) error {
 	// Create a wrapper around the checkpoint oracle contract
-	addr, oracle := newContract(newRPCClient(ctx.GlobalString(nodeURLFlag.Name)))
+	addr, oracle := newContract(newRPCClient(ctx.String(nodeURLFlag.Name)))
 	fmt.Printf("Oracle => %s\n", addr.Hex())
 	fmt.Println()
 

cmd/clef/main.go

@@ -30,7 +30,6 @@ import (
 	"os/signal"
 	"path/filepath"
 	"runtime"
-	"sort"
 	"strings"
 	"time"
 
@@ -55,7 +54,7 @@ import (
 	"github.com/ethereum/go-ethereum/signer/storage"
 	"github.com/mattn/go-colorable"
 	"github.com/mattn/go-isatty"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const legalWarning = `
@@ -73,70 +72,70 @@ PURPOSE. See the GNU General Public License for more details.
 `
 
 var (
-	logLevelFlag = cli.IntFlag{
+	logLevelFlag = &cli.IntFlag{
 		Name:  "loglevel",
 		Value: 4,
 		Usage: "log level to emit to the screen",
 	}
-	advancedMode = cli.BoolFlag{
+	advancedMode = &cli.BoolFlag{
 		Name:  "advanced",
 		Usage: "If enabled, issues warnings instead of rejections for suspicious requests. Default off",
 	}
-	acceptFlag = cli.BoolFlag{
+	acceptFlag = &cli.BoolFlag{
 		Name:  "suppress-bootwarn",
 		Usage: "If set, does not show the warning during boot",
 	}
-	keystoreFlag = cli.StringFlag{
+	keystoreFlag = &cli.StringFlag{
 		Name:  "keystore",
 		Value: filepath.Join(node.DefaultDataDir(), "keystore"),
 		Usage: "Directory for the keystore",
 	}
-	configdirFlag = cli.StringFlag{
+	configdirFlag = &cli.StringFlag{
 		Name:  "configdir",
 		Value: DefaultConfigDir(),
 		Usage: "Directory for Clef configuration",
 	}
-	chainIdFlag = cli.Int64Flag{
+	chainIdFlag = &cli.Int64Flag{
 		Name:  "chainid",
 		Value: params.MainnetChainConfig.ChainID.Int64(),
 		Usage: "Chain id to use for signing (1=mainnet, 3=Ropsten, 4=Rinkeby, 5=Goerli)",
 	}
-	rpcPortFlag = cli.IntFlag{
-		Name:  "http.port",
-		Usage: "HTTP-RPC server listening port",
-		Value: node.DefaultHTTPPort + 5,
+	rpcPortFlag = &cli.IntFlag{
+		Name:     "http.port",
+		Usage:    "HTTP-RPC server listening port",
+		Value:    node.DefaultHTTPPort + 5,
+		Category: flags.APICategory,
 	}
-	signerSecretFlag = cli.StringFlag{
+	signerSecretFlag = &cli.StringFlag{
 		Name:  "signersecret",
 		Usage: "A file containing the (encrypted) master seed to encrypt Clef data, e.g. keystore credentials and ruleset hash",
 	}
-	customDBFlag = cli.StringFlag{
+	customDBFlag = &cli.StringFlag{
 		Name:  "4bytedb-custom",
 		Usage: "File used for writing new 4byte-identifiers submitted via API",
 		Value: "./4byte-custom.json",
 	}
-	auditLogFlag = cli.StringFlag{
+	auditLogFlag = &cli.StringFlag{
 		Name:  "auditlog",
 		Usage: "File used to emit audit logs. Set to \"\" to disable",
 		Value: "audit.log",
 	}
-	ruleFlag = cli.StringFlag{
+	ruleFlag = &cli.StringFlag{
 		Name:  "rules",
 		Usage: "Path to the rule file to auto-authorize requests with",
 	}
-	stdiouiFlag = cli.BoolFlag{
+	stdiouiFlag = &cli.BoolFlag{
 		Name: "stdio-ui",
 		Usage: "Use STDIN/STDOUT as a channel for an external UI. " +
 			"This means that an STDIN/STDOUT is used for RPC-communication with a e.g. a graphical user " +
 			"interface, and can be used when Clef is started by an external process.",
 	}
-	testFlag = cli.BoolFlag{
+	testFlag = &cli.BoolFlag{
 		Name:  "stdio-ui-test",
 		Usage: "Mechanism to test interface between Clef and UI. Requires 'stdio-ui'.",
 	}
-	app         = cli.NewApp()
-	initCommand = cli.Command{
-		Action:    utils.MigrateFlags(initializeSecrets),
+	initCommand = &cli.Command{
+		Action:    initializeSecrets,
 		Name:      "init",
 		Usage:     "Initialize the signer, generate secret storage",
 		ArgsUsage: "",
@@ -148,8 +147,8 @@ var (
 The init command generates a master seed which Clef can use to store credentials and data needed for
 the rule-engine to work.`,
 	}
-	attestCommand = cli.Command{
-		Action:    utils.MigrateFlags(attestFile),
+	attestCommand = &cli.Command{
+		Action:    attestFile,
 		Name:      "attest",
 		Usage:     "Attest that a js-file is to be used",
 		ArgsUsage: "<sha256sum>",
@@ -165,8 +164,8 @@ incoming requests.
 Whenever you make an edit to the rule file, you need to use attestation to tell
 Clef that the file is 'safe' to execute.`,
 	}
-	setCredentialCommand = cli.Command{
-		Action:    utils.MigrateFlags(setCredential),
+	setCredentialCommand = &cli.Command{
+		Action:    setCredential,
 		Name:      "setpw",
 		Usage:     "Store a credential for a keystore file",
 		ArgsUsage: "<address>",
@@ -178,8 +177,8 @@ Clef that the file is 'safe' to execute.`,
 		Description: `
 The setpw command stores a password for a given address (keyfile).
 `}
-	delCredentialCommand = cli.Command{
-		Action:    utils.MigrateFlags(removeCredential),
+	delCredentialCommand = &cli.Command{
+		Action:    removeCredential,
 		Name:      "delpw",
 		Usage:     "Remove a credential for a keystore file",
 		ArgsUsage: "<address>",
@@ -191,8 +190,8 @@ The setpw command stores a password for a given address (keyfile).
 		Description: `
 The delpw command removes a password for a given address (keyfile).
 `}
-	newAccountCommand = cli.Command{
-		Action:    utils.MigrateFlags(newAccount),
+	newAccountCommand = &cli.Command{
+		Action:    newAccount,
 		Name:      "newaccount",
 		Usage:     "Create a new account",
 		ArgsUsage: "",
@@ -207,7 +206,7 @@ The newaccount command creates a new keystore-backed account. It is a convenienc
 which can be used in lieu of an external UI.`,
 	}
 
-	gendocCommand = cli.Command{
+	gendocCommand = &cli.Command{
 		Action: GenDoc,
 		Name:   "gendoc",
 		Usage:  "Generate documentation about json-rpc format",
@@ -216,39 +215,16 @@ The gendoc generates example structures of the json-rpc communication types.
 `}
 )
 
-// AppHelpFlagGroups is the application flags, grouped by functionality.
-var AppHelpFlagGroups = []flags.FlagGroup{
-	{
-		Name: "FLAGS",
-		Flags: []cli.Flag{
-			logLevelFlag,
-			keystoreFlag,
-			configdirFlag,
-			chainIdFlag,
-			utils.LightKDFFlag,
-			utils.NoUSBFlag,
-			utils.SmartCardDaemonPathFlag,
-			utils.HTTPListenAddrFlag,
-			utils.HTTPVirtualHostsFlag,
-			utils.IPCDisabledFlag,
-			utils.IPCPathFlag,
-			utils.HTTPEnabledFlag,
-			rpcPortFlag,
-			signerSecretFlag,
-			customDBFlag,
-			auditLogFlag,
-			ruleFlag,
-			stdiouiFlag,
-			testFlag,
-			advancedMode,
-			acceptFlag,
-		},
-	},
-}
+var (
+	// Git SHA1 commit hash of the release (set via linker flags)
+	gitCommit = ""
+	gitDate   = ""
+
+	app = flags.NewApp(gitCommit, gitDate, "Manage Ethereum account operations")
+)
 
 func init() {
 	app.Name = "Clef"
-	app.Usage = "Manage Ethereum account operations"
 	app.Flags = []cli.Flag{
 		logLevelFlag,
 		keystoreFlag,
@@ -273,46 +249,12 @@ func init() {
 		acceptFlag,
 	}
 	app.Action = signer
-	app.Commands = []cli.Command{initCommand,
+	app.Commands = []*cli.Command{initCommand,
 		attestCommand,
 		setCredentialCommand,
 		delCredentialCommand,
 		newAccountCommand,
-		gendocCommand}
-	cli.CommandHelpTemplate = flags.CommandHelpTemplate
-	// Override the default app help template
-	cli.AppHelpTemplate = flags.ClefAppHelpTemplate
-
-	// Override the default app help printer, but only for the global app help
-	originalHelpPrinter := cli.HelpPrinter
-	cli.HelpPrinter = func(w io.Writer, tmpl string, data interface{}) {
-		if tmpl == flags.ClefAppHelpTemplate {
-			// Render out custom usage screen
-			originalHelpPrinter(w, tmpl, flags.HelpData{App: data, FlagGroups: AppHelpFlagGroups})
-		} else if tmpl == flags.CommandHelpTemplate {
-			// Iterate over all command specific flags and categorize them
-			categorized := make(map[string][]cli.Flag)
-			for _, flag := range data.(cli.Command).Flags {
-				if _, ok := categorized[flag.String()]; !ok {
-					categorized[flags.FlagCategory(flag, AppHelpFlagGroups)] = append(categorized[flags.FlagCategory(flag, AppHelpFlagGroups)], flag)
-				}
-			}
-
-			// sort to get a stable ordering
-			sorted := make([]flags.FlagGroup, 0, len(categorized))
-			for cat, flgs := range categorized {
-				sorted = append(sorted, flags.FlagGroup{Name: cat, Flags: flgs})
-			}
-			sort.Sort(flags.ByCategory(sorted))
-
-			// add sorted array to data and render with default printer
-			originalHelpPrinter(w, tmpl, map[string]interface{}{
-				"cmd":              data,
-				"categorizedFlags": sorted,
-			})
-		} else {
-			originalHelpPrinter(w, tmpl, data)
-		}
+		gendocCommand,
 	}
 }
 
@@ -329,7 +271,7 @@ func initializeSecrets(c *cli.Context) error {
 		return err
 	}
 	// Ensure the master key does not yet exist, we're not willing to overwrite
-	configDir := c.GlobalString(configdirFlag.Name)
+	configDir := c.String(configdirFlag.Name)
 	if err := os.Mkdir(configDir, 0700); err != nil && !os.IsExist(err) {
 		return err
 	}
@@ -347,7 +289,7 @@ func initializeSecrets(c *cli.Context) error {
 		return fmt.Errorf("failed to read enough random")
 	}
 	n, p := keystore.StandardScryptN, keystore.StandardScryptP
-	if c.GlobalBool(utils.LightKDFFlag.Name) {
+	if c.Bool(utils.LightKDFFlag.Name) {
 		n, p = keystore.LightScryptN, keystore.LightScryptP
 	}
 	text := "The master seed of clef will be locked with a password.\nPlease specify a password. Do not forget this password!"
@@ -390,8 +332,9 @@ You should treat 'masterseed.json' with utmost secrecy and make a backup of it!
 `)
 	return nil
 }
+
 func attestFile(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.NArg() < 1 {
 		utils.Fatalf("This command requires an argument.")
 	}
 	if err := initialize(ctx); err != nil {
@@ -402,7 +345,7 @@ func attestFile(ctx *cli.Context) error {
 	if err != nil {
 		utils.Fatalf(err.Error())
 	}
-	configDir := ctx.GlobalString(configdirFlag.Name)
+	configDir := ctx.String(configdirFlag.Name)
 	vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
 	confKey := crypto.Keccak256([]byte("config"), stretchedKey)
 
@@ -415,7 +358,7 @@ func attestFile(ctx *cli.Context) error {
 }
 
 func setCredential(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.NArg() < 1 {
 		utils.Fatalf("This command requires an address to be passed as an argument")
 	}
 	if err := initialize(ctx); err != nil {
@@ -433,7 +376,7 @@ func setCredential(ctx *cli.Context) error {
 	if err != nil {
 		utils.Fatalf(err.Error())
 	}
-	configDir := ctx.GlobalString(configdirFlag.Name)
+	configDir := ctx.String(configdirFlag.Name)
 	vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
 	pwkey := crypto.Keccak256([]byte("credentials"), stretchedKey)
 
@@ -445,7 +388,7 @@ func setCredential(ctx *cli.Context) error {
 }
 
 func removeCredential(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.NArg() < 1 {
 		utils.Fatalf("This command requires an address to be passed as an argument")
 	}
 	if err := initialize(ctx); err != nil {
@@ -461,7 +404,7 @@ func removeCredential(ctx *cli.Context) error {
 	if err != nil {
 		utils.Fatalf(err.Error())
 	}
-	configDir := ctx.GlobalString(configdirFlag.Name)
+	configDir := ctx.String(configdirFlag.Name)
 	vaultLocation := filepath.Join(configDir, common.Bytes2Hex(crypto.Keccak256([]byte("vault"), stretchedKey)[:10]))
 	pwkey := crypto.Keccak256([]byte("credentials"), stretchedKey)
 
@@ -481,8 +424,8 @@ func newAccount(c *cli.Context) error {
 	var (
 		ui                        = core.NewCommandlineUI()
 		pwStorage storage.Storage = &storage.NoStorage{}
-		ksLoc                     = c.GlobalString(keystoreFlag.Name)
-		lightKdf                  = c.GlobalBool(utils.LightKDFFlag.Name)
+		ksLoc                     = c.String(keystoreFlag.Name)
+		lightKdf                  = c.Bool(utils.LightKDFFlag.Name)
 	)
 	log.Info("Starting clef", "keystore", ksLoc, "light-kdf", lightKdf)
 	am := core.StartClefAccountManager(ksLoc, true, lightKdf, "")
@@ -500,13 +443,13 @@ func newAccount(c *cli.Context) error {
 func initialize(c *cli.Context) error {
 	// Set up the logger to print everything
 	logOutput := os.Stdout
-	if c.GlobalBool(stdiouiFlag.Name) {
+	if c.Bool(stdiouiFlag.Name) {
 		logOutput = os.Stderr
 		// If using the stdioui, we can't do the 'confirm'-flow
-		if !c.GlobalBool(acceptFlag.Name) {
+		if !c.Bool(acceptFlag.Name) {
 			fmt.Fprint(logOutput, legalWarning)
 		}
-	} else if !c.GlobalBool(acceptFlag.Name) {
+	} else if !c.Bool(acceptFlag.Name) {
 		if !confirm(legalWarning) {
 			return fmt.Errorf("aborted by user")
 		}
@@ -545,8 +488,8 @@ func ipcEndpoint(ipcPath, datadir string) string {
 
 func signer(c *cli.Context) error {
 	// If we have some unrecognized command, bail out
-	if args := c.Args(); len(args) > 0 {
-		return fmt.Errorf("invalid command: %q", args[0])
+	if c.NArg() > 0 {
+		return fmt.Errorf("invalid command: %q", c.Args().First())
 	}
 	if err := initialize(c); err != nil {
 		return err
@@ -554,7 +497,7 @@ func signer(c *cli.Context) error {
 	var (
 		ui core.UIClientAPI
 	)
-	if c.GlobalBool(stdiouiFlag.Name) {
+	if c.Bool(stdiouiFlag.Name) {
 		log.Info("Using stdin/stdout as UI-channel")
 		ui = core.NewStdIOUI()
 	} else {
@@ -562,7 +505,7 @@ func signer(c *cli.Context) error {
 		ui = core.NewCommandlineUI()
 	}
 	// 4bytedb data
-	fourByteLocal := c.GlobalString(customDBFlag.Name)
+	fourByteLocal := c.String(customDBFlag.Name)
 	db, err := fourbyte.NewWithFile(fourByteLocal)
 	if err != nil {
 		utils.Fatalf(err.Error())
@@ -574,7 +517,7 @@ func signer(c *cli.Context) error {
 		api       core.ExternalAPI
 		pwStorage storage.Storage = &storage.NoStorage{}
 	)
-	configDir := c.GlobalString(configdirFlag.Name)
+	configDir := c.String(configdirFlag.Name)
 	if stretchedKey, err := readMasterKey(c, ui); err != nil {
 		log.Warn("Failed to open master, rules disabled", "err", err)
 	} else {
@@ -591,7 +534,7 @@ func signer(c *cli.Context) error {
 		configStorage := storage.NewAESEncryptedStorage(filepath.Join(vaultLocation, "config.json"), confkey)
 
 		// Do we have a rule-file?
-		if ruleFile := c.GlobalString(ruleFlag.Name); ruleFile != "" {
+		if ruleFile := c.String(ruleFlag.Name); ruleFile != "" {
 			ruleJS, err := os.ReadFile(ruleFile)
 			if err != nil {
 				log.Warn("Could not load rules, disabling", "file", ruleFile, "err", err)
@@ -615,12 +558,12 @@ func signer(c *cli.Context) error {
 		}
 	}
 	var (
-		chainId  = c.GlobalInt64(chainIdFlag.Name)
-		ksLoc    = c.GlobalString(keystoreFlag.Name)
-		lightKdf = c.GlobalBool(utils.LightKDFFlag.Name)
-		advanced = c.GlobalBool(advancedMode.Name)
-		nousb    = c.GlobalBool(utils.NoUSBFlag.Name)
-		scpath   = c.GlobalString(utils.SmartCardDaemonPathFlag.Name)
+		chainId  = c.Int64(chainIdFlag.Name)
+		ksLoc    = c.String(keystoreFlag.Name)
+		lightKdf = c.Bool(utils.LightKDFFlag.Name)
+		advanced = c.Bool(advancedMode.Name)
+		nousb    = c.Bool(utils.NoUSBFlag.Name)
+		scpath   = c.String(utils.SmartCardDaemonPathFlag.Name)
 	)
 	log.Info("Starting signer", "chainid", chainId, "keystore", ksLoc,
 		"light-kdf", lightKdf, "advanced", advanced)
@@ -632,7 +575,7 @@ func signer(c *cli.Context) error {
 	ui.RegisterUIServer(core.NewUIServerAPI(apiImpl))
 	api = apiImpl
 	// Audit logging
-	if logfile := c.GlobalString(auditLogFlag.Name); logfile != "" {
+	if logfile := c.String(auditLogFlag.Name); logfile != "" {
 		api, err = core.NewAuditLogger(logfile, api)
 		if err != nil {
 			utils.Fatalf(err.Error())
@@ -647,16 +590,15 @@ func signer(c *cli.Context) error {
 	rpcAPI := []rpc.API{
 		{
 			Namespace: "account",
-			Public:    true,
 			Service:   api,
-			Version:   "1.0"},
+		},
 	}
-	if c.GlobalBool(utils.HTTPEnabledFlag.Name) {
-		vhosts := utils.SplitAndTrim(c.GlobalString(utils.HTTPVirtualHostsFlag.Name))
-		cors := utils.SplitAndTrim(c.GlobalString(utils.HTTPCORSDomainFlag.Name))
+	if c.Bool(utils.HTTPEnabledFlag.Name) {
+		vhosts := utils.SplitAndTrim(c.String(utils.HTTPVirtualHostsFlag.Name))
+		cors := utils.SplitAndTrim(c.String(utils.HTTPCORSDomainFlag.Name))
 
 		srv := rpc.NewServer()
-		err := node.RegisterApis(rpcAPI, []string{"account"}, srv, false)
+		err := node.RegisterApis(rpcAPI, []string{"account"}, srv)
 		if err != nil {
 			utils.Fatalf("Could not register API: %w", err)
 		}
@@ -666,7 +608,7 @@ func signer(c *cli.Context) error {
 		port := c.Int(rpcPortFlag.Name)
 
 		// start http server
-		httpEndpoint := fmt.Sprintf("%s:%d", c.GlobalString(utils.HTTPListenAddrFlag.Name), port)
+		httpEndpoint := fmt.Sprintf("%s:%d", c.String(utils.HTTPListenAddrFlag.Name), port)
 		httpServer, addr, err := node.StartHTTPEndpoint(httpEndpoint, rpc.DefaultHTTPTimeouts, handler)
 		if err != nil {
 			utils.Fatalf("Could not start RPC api: %v", err)
@@ -680,8 +622,8 @@ func signer(c *cli.Context) error {
 			log.Info("HTTP endpoint closed", "url", extapiURL)
 		}()
 	}
-	if !c.GlobalBool(utils.IPCDisabledFlag.Name) {
-		givenPath := c.GlobalString(utils.IPCPathFlag.Name)
+	if !c.Bool(utils.IPCDisabledFlag.Name) {
+		givenPath := c.String(utils.IPCPathFlag.Name)
 		ipcapiURL = ipcEndpoint(filepath.Join(givenPath, "clef.ipc"), configDir)
 		listener, _, err := rpc.StartIPCEndpoint(ipcapiURL, rpcAPI)
 		if err != nil {
@@ -694,7 +636,7 @@ func signer(c *cli.Context) error {
 		}()
 	}
 
-	if c.GlobalBool(testFlag.Name) {
+	if c.Bool(testFlag.Name) {
 		log.Info("Performing UI test")
 		go testExternalUI(apiImpl)
 	}
@@ -720,7 +662,7 @@ func signer(c *cli.Context) error {
 // persistence requirements.
 func DefaultConfigDir() string {
 	// Try to place the data folder in the user's home dir
-	home := utils.HomeDir()
+	home := flags.HomeDir()
 	if home != "" {
 		if runtime.GOOS == "darwin" {
 			return filepath.Join(home, "Library", "Signer")
@@ -740,10 +682,10 @@ func DefaultConfigDir() string {
 func readMasterKey(ctx *cli.Context, ui core.UIClientAPI) ([]byte, error) {
 	var (
 		file      string
-		configDir = ctx.GlobalString(configdirFlag.Name)
+		configDir = ctx.String(configdirFlag.Name)
 	)
-	if ctx.GlobalIsSet(signerSecretFlag.Name) {
-		file = ctx.GlobalString(signerSecretFlag.Name)
+	if ctx.IsSet(signerSecretFlag.Name) {
+		file = ctx.String(signerSecretFlag.Name)
 	} else {
 		file = filepath.Join(configDir, "masterseed.json")
 	}
@@ -817,7 +759,6 @@ func confirm(text string) bool {
 }
 
 func testExternalUI(api *core.SignerAPI) {
-
 	ctx := context.WithValue(context.Background(), "remote", "clef binary")
 	ctx = context.WithValue(ctx, "scheme", "in-proc")
 	ctx = context.WithValue(ctx, "local", "main")
@@ -917,7 +858,6 @@ func testExternalUI(api *core.SignerAPI) {
 		expectDeny("signdata - text", err)
 	}
 	{ // Sign transaction
-
 		api.UI.ShowInfo("Please reject next transaction")
 		time.Sleep(delay)
 		data := hexutil.Bytes([]byte{})
@@ -960,7 +900,6 @@ func testExternalUI(api *core.SignerAPI) {
 	}
 	result := fmt.Sprintf("Tests completed. %d errors:\n%s\n", len(errs), strings.Join(errs, "\n"))
 	api.UI.ShowInfo(result)
-
 }
 
 type encryptedSeedStorage struct {
@@ -996,8 +935,7 @@ func decryptSeed(keyjson []byte, auth string) ([]byte, error) {
 }
 
 // GenDoc outputs examples of all structures used in json-rpc communication
-func GenDoc(ctx *cli.Context) {
-
+func GenDoc(ctx *cli.Context) error {
 	var (
 		a    = common.HexToAddress("0xdeadbeef000000000000000000000000deadbeef")
 		b    = common.HexToAddress("0x1111111122222222222233333333334444444444")
@@ -1107,7 +1045,6 @@ func GenDoc(ctx *cli.Context) {
 		var tx types.Transaction
 		tx.UnmarshalBinary(rlpdata)
 		add("OnApproved - SignTransactionResult", desc, &ethapi.SignTransactionResult{Raw: rlpdata, Tx: &tx})
-
 	}
 	{ // User input
 		add("UserInputRequest", "Sent when clef needs the user to provide data. If 'password' is true, the input field should be treated accordingly (echo-free)",
@@ -1146,4 +1083,5 @@ These data types are defined in the channel between clef and the UI`)
 	for _, elem := range output {
 		fmt.Println(elem)
 	}
+	return nil
 }

cmd/devp2p/discv4cmd.go

@@ -25,17 +25,18 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/devp2p/internal/v4test"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/p2p/discover"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/params"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	discv4Command = cli.Command{
+	discv4Command = &cli.Command{
 		Name:  "discv4",
 		Usage: "Node Discovery v4 tools",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			discv4PingCommand,
 			discv4RequestRecordCommand,
 			discv4ResolveCommand,
@@ -44,39 +45,41 @@ var (
 			discv4TestCommand,
 		},
 	}
-	discv4PingCommand = cli.Command{
+	discv4PingCommand = &cli.Command{
 		Name:      "ping",
 		Usage:     "Sends ping to a node",
 		Action:    discv4Ping,
 		ArgsUsage: "<node>",
+		Flags:     v4NodeFlags,
 	}
-	discv4RequestRecordCommand = cli.Command{
+	discv4RequestRecordCommand = &cli.Command{
 		Name:      "requestenr",
 		Usage:     "Requests a node record using EIP-868 enrRequest",
 		Action:    discv4RequestRecord,
 		ArgsUsage: "<node>",
+		Flags:     v4NodeFlags,
 	}
-	discv4ResolveCommand = cli.Command{
+	discv4ResolveCommand = &cli.Command{
 		Name:      "resolve",
 		Usage:     "Finds a node in the DHT",
 		Action:    discv4Resolve,
 		ArgsUsage: "<node>",
-		Flags:     []cli.Flag{bootnodesFlag},
+		Flags:     v4NodeFlags,
 	}
-	discv4ResolveJSONCommand = cli.Command{
+	discv4ResolveJSONCommand = &cli.Command{
 		Name:      "resolve-json",
 		Usage:     "Re-resolves nodes in a nodes.json file",
 		Action:    discv4ResolveJSON,
-		Flags:     []cli.Flag{bootnodesFlag},
+		Flags:     v4NodeFlags,
 		ArgsUsage: "<nodes.json file>",
 	}
-	discv4CrawlCommand = cli.Command{
+	discv4CrawlCommand = &cli.Command{
 		Name:   "crawl",
 		Usage:  "Updates a nodes.json file with random nodes found in the DHT",
 		Action: discv4Crawl,
-		Flags:  []cli.Flag{bootnodesFlag, crawlTimeoutFlag},
+		Flags:  flags.Merge(v4NodeFlags, []cli.Flag{crawlTimeoutFlag}),
 	}
-	discv4TestCommand = cli.Command{
+	discv4TestCommand = &cli.Command{
 		Name:   "test",
 		Usage:  "Runs tests against a node",
 		Action: discv4Test,
@@ -91,34 +94,41 @@ var (
 )
 
 var (
-	bootnodesFlag = cli.StringFlag{
+	bootnodesFlag = &cli.StringFlag{
 		Name:  "bootnodes",
 		Usage: "Comma separated nodes used for bootstrapping",
 	}
-	nodekeyFlag = cli.StringFlag{
+	nodekeyFlag = &cli.StringFlag{
 		Name:  "nodekey",
 		Usage: "Hex-encoded node key",
 	}
-	nodedbFlag = cli.StringFlag{
+	nodedbFlag = &cli.StringFlag{
 		Name:  "nodedb",
 		Usage: "Nodes database location",
 	}
-	listenAddrFlag = cli.StringFlag{
+	listenAddrFlag = &cli.StringFlag{
 		Name:  "addr",
 		Usage: "Listening address",
 	}
-	crawlTimeoutFlag = cli.DurationFlag{
+	crawlTimeoutFlag = &cli.DurationFlag{
 		Name:  "timeout",
 		Usage: "Time limit for the crawl.",
 		Value: 30 * time.Minute,
 	}
-	remoteEnodeFlag = cli.StringFlag{
-		Name:   "remote",
-		Usage:  "Enode of the remote node under test",
-		EnvVar: "REMOTE_ENODE",
+	remoteEnodeFlag = &cli.StringFlag{
+		Name:    "remote",
+		Usage:   "Enode of the remote node under test",
+		EnvVars: []string{"REMOTE_ENODE"},
 	}
 )
 
+var v4NodeFlags = []cli.Flag{
+	bootnodesFlag,
+	nodekeyFlag,
+	nodedbFlag,
+	listenAddrFlag,
+}
+
 func discv4Ping(ctx *cli.Context) error {
 	n := getNodeArg(ctx)
 	disc := startV4(ctx)

cmd/devp2p/discv5cmd.go

@@ -23,14 +23,14 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/devp2p/internal/v5test"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/p2p/discover"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	discv5Command = cli.Command{
+	discv5Command = &cli.Command{
 		Name:  "discv5",
 		Usage: "Node Discovery v5 tools",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			discv5PingCommand,
 			discv5ResolveCommand,
 			discv5CrawlCommand,
@@ -38,24 +38,24 @@ var (
 			discv5ListenCommand,
 		},
 	}
-	discv5PingCommand = cli.Command{
+	discv5PingCommand = &cli.Command{
 		Name:   "ping",
 		Usage:  "Sends ping to a node",
 		Action: discv5Ping,
 	}
-	discv5ResolveCommand = cli.Command{
+	discv5ResolveCommand = &cli.Command{
 		Name:   "resolve",
 		Usage:  "Finds a node in the DHT",
 		Action: discv5Resolve,
 		Flags:  []cli.Flag{bootnodesFlag},
 	}
-	discv5CrawlCommand = cli.Command{
+	discv5CrawlCommand = &cli.Command{
 		Name:   "crawl",
 		Usage:  "Updates a nodes.json file with random nodes found in the DHT",
 		Action: discv5Crawl,
 		Flags:  []cli.Flag{bootnodesFlag, crawlTimeoutFlag},
 	}
-	discv5TestCommand = cli.Command{
+	discv5TestCommand = &cli.Command{
 		Name:   "test",
 		Usage:  "Runs protocol tests against a node",
 		Action: discv5Test,
@@ -66,7 +66,7 @@ var (
 			testListen2Flag,
 		},
 	}
-	discv5ListenCommand = cli.Command{
+	discv5ListenCommand = &cli.Command{
 		Name:   "listen",
 		Usage:  "Runs a node",
 		Action: discv5Listen,

cmd/devp2p/dns_cloudflare.go

@@ -24,16 +24,16 @@ import (
 	"github.com/cloudflare/cloudflare-go"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p/dnsdisc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	cloudflareTokenFlag = cli.StringFlag{
-		Name:   "token",
-		Usage:  "CloudFlare API token",
-		EnvVar: "CLOUDFLARE_API_TOKEN",
+	cloudflareTokenFlag = &cli.StringFlag{
+		Name:    "token",
+		Usage:   "CloudFlare API token",
+		EnvVars: []string{"CLOUDFLARE_API_TOKEN"},
 	}
-	cloudflareZoneIDFlag = cli.StringFlag{
+	cloudflareZoneIDFlag = &cli.StringFlag{
 		Name:  "zoneid",
 		Usage: "CloudFlare Zone ID (optional)",
 	}
@@ -134,7 +134,6 @@ func (c *cloudflareClient) uploadRecords(name string, records map[string]string)
 			ttl := rootTTL
 			if path != name {
 				ttl = treeNodeTTLCloudflare // Max TTL permitted by Cloudflare
-
 			}
 			record := cloudflare.DNSRecord{Type: "TXT", Name: path, Content: val, TTL: ttl}
 			_, err = c.CreateDNSRecord(context.Background(), c.zoneID, record)

cmd/devp2p/dns_route53.go

@@ -32,7 +32,7 @@ import (
 	"github.com/aws/aws-sdk-go-v2/service/route53/types"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p/dnsdisc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const (
@@ -45,21 +45,21 @@ const (
 )
 
 var (
-	route53AccessKeyFlag = cli.StringFlag{
-		Name:   "access-key-id",
-		Usage:  "AWS Access Key ID",
-		EnvVar: "AWS_ACCESS_KEY_ID",
+	route53AccessKeyFlag = &cli.StringFlag{
+		Name:    "access-key-id",
+		Usage:   "AWS Access Key ID",
+		EnvVars: []string{"AWS_ACCESS_KEY_ID"},
 	}
-	route53AccessSecretFlag = cli.StringFlag{
-		Name:   "access-key-secret",
-		Usage:  "AWS Access Key Secret",
-		EnvVar: "AWS_SECRET_ACCESS_KEY",
+	route53AccessSecretFlag = &cli.StringFlag{
+		Name:    "access-key-secret",
+		Usage:   "AWS Access Key Secret",
+		EnvVars: []string{"AWS_SECRET_ACCESS_KEY"},
 	}
-	route53ZoneIDFlag = cli.StringFlag{
+	route53ZoneIDFlag = &cli.StringFlag{
 		Name:  "zone-id",
 		Usage: "Route53 Zone ID",
 	}
-	route53RegionFlag = cli.StringFlag{
+	route53RegionFlag = &cli.StringFlag{
 		Name:  "aws-region",
 		Usage: "AWS Region",
 		Value: "eu-central-1",

cmd/devp2p/dnscmd.go

@@ -29,14 +29,14 @@ import (
 	"github.com/ethereum/go-ethereum/console/prompt"
 	"github.com/ethereum/go-ethereum/p2p/dnsdisc"
 	"github.com/ethereum/go-ethereum/p2p/enode"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	dnsCommand = cli.Command{
+	dnsCommand = &cli.Command{
 		Name:  "dns",
 		Usage: "DNS Discovery Commands",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			dnsSyncCommand,
 			dnsSignCommand,
 			dnsTXTCommand,
@@ -45,34 +45,34 @@ var (
 			dnsRoute53NukeCommand,
 		},
 	}
-	dnsSyncCommand = cli.Command{
+	dnsSyncCommand = &cli.Command{
 		Name:      "sync",
 		Usage:     "Download a DNS discovery tree",
 		ArgsUsage: "<url> [ <directory> ]",
 		Action:    dnsSync,
 		Flags:     []cli.Flag{dnsTimeoutFlag},
 	}
-	dnsSignCommand = cli.Command{
+	dnsSignCommand = &cli.Command{
 		Name:      "sign",
 		Usage:     "Sign a DNS discovery tree",
 		ArgsUsage: "<tree-directory> <key-file>",
 		Action:    dnsSign,
 		Flags:     []cli.Flag{dnsDomainFlag, dnsSeqFlag},
 	}
-	dnsTXTCommand = cli.Command{
+	dnsTXTCommand = &cli.Command{
 		Name:      "to-txt",
 		Usage:     "Create a DNS TXT records for a discovery tree",
 		ArgsUsage: "<tree-directory> <output-file>",
 		Action:    dnsToTXT,
 	}
-	dnsCloudflareCommand = cli.Command{
+	dnsCloudflareCommand = &cli.Command{
 		Name:      "to-cloudflare",
 		Usage:     "Deploy DNS TXT records to CloudFlare",
 		ArgsUsage: "<tree-directory>",
 		Action:    dnsToCloudflare,
 		Flags:     []cli.Flag{cloudflareTokenFlag, cloudflareZoneIDFlag},
 	}
-	dnsRoute53Command = cli.Command{
+	dnsRoute53Command = &cli.Command{
 		Name:      "to-route53",
 		Usage:     "Deploy DNS TXT records to Amazon Route53",
 		ArgsUsage: "<tree-directory>",
@@ -84,7 +84,7 @@ var (
 			route53RegionFlag,
 		},
 	}
-	dnsRoute53NukeCommand = cli.Command{
+	dnsRoute53NukeCommand = &cli.Command{
 		Name:      "nuke-route53",
 		Usage:     "Deletes DNS TXT records of a subdomain on Amazon Route53",
 		ArgsUsage: "<domain>",
@@ -99,15 +99,15 @@ var (
 )
 
 var (
-	dnsTimeoutFlag = cli.DurationFlag{
+	dnsTimeoutFlag = &cli.DurationFlag{
 		Name:  "timeout",
 		Usage: "Timeout for DNS lookups",
 	}
-	dnsDomainFlag = cli.StringFlag{
+	dnsDomainFlag = &cli.StringFlag{
 		Name:  "domain",
 		Usage: "Domain name of the tree",
 	}
-	dnsSeqFlag = cli.UintFlag{
+	dnsSeqFlag = &cli.UintFlag{
 		Name:  "seq",
 		Usage: "New sequence number of the tree",
 	}

cmd/devp2p/enrcmd.go

@@ -30,12 +30,12 @@ import (
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/p2p/enr"
 	"github.com/ethereum/go-ethereum/rlp"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var fileFlag = cli.StringFlag{Name: "file"}
+var fileFlag = &cli.StringFlag{Name: "file"}
 
-var enrdumpCommand = cli.Command{
+var enrdumpCommand = &cli.Command{
 	Name:   "enrdump",
 	Usage:  "Pretty-prints node records",
 	Action: enrdump,
@@ -62,7 +62,7 @@ func enrdump(ctx *cli.Context) error {
 		}
 		source = string(b)
 	} else if ctx.NArg() == 1 {
-		source = ctx.Args()[0]
+		source = ctx.Args().First()
 	} else {
 		return fmt.Errorf("need record as argument")
 	}

cmd/devp2p/internal/ethtest/chain.go

@@ -119,7 +119,6 @@ func (c *Chain) GetHeaders(req GetBlockHeaders) (BlockHeaders, error) {
 		for i := 1; i < int(req.Amount); i++ {
 			blockNumber -= (1 - req.Skip)
 			headers[i] = c.blocks[blockNumber].Header()
-
 		}
 
 		return headers, nil

cmd/devp2p/internal/ethtest/snap.go

@@ -350,7 +350,6 @@ func hexToCompact(hex []byte) []byte {
 
 // TestSnapTrieNodes various forms of GetTrieNodes requests.
 func (s *Suite) TestSnapTrieNodes(t *utesting.T) {
-
 	key := common.FromHex("0x00bf49f440a1cd0527e4d06e2765654c0f56452257516d793a9b8d604dcfdf2a")
 	// helper function to iterate the key, and generate the compact-encoded
 	// trie paths along the way.
@@ -496,10 +495,10 @@ func (s *Suite) snapGetAccountRange(t *utesting.T, tc *accRangeTest) error {
 	}
 	if len(hashes) > 0 {
 		if exp, got := tc.expFirst, res.Accounts[0].Hash; exp != got {
-			return fmt.Errorf("expected first account 0x%x, got 0x%x", exp, got)
+			return fmt.Errorf("expected first account %#x, got %#x", exp, got)
 		}
 		if exp, got := tc.expLast, res.Accounts[len(res.Accounts)-1].Hash; exp != got {
-			return fmt.Errorf("expected last account 0x%x, got 0x%x", exp, got)
+			return fmt.Errorf("expected last account %#x, got %#x", exp, got)
 		}
 	}
 	// Reconstruct a partial trie from the response and verify it

cmd/devp2p/internal/ethtest/types.go

@@ -315,7 +315,6 @@ func (c *Conn) ReadSnap(id uint64) (Message, error) {
 			return nil, fmt.Errorf("could not rlp decode message: %v", err)
 		}
 		return snpMsg.(Message), nil
-
 	}
 	return nil, fmt.Errorf("request timed out")
 }

cmd/devp2p/keycmd.go

@@ -22,25 +22,25 @@ import (
 
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/p2p/enode"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	keyCommand = cli.Command{
+	keyCommand = &cli.Command{
 		Name:  "key",
 		Usage: "Operations on node keys",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			keyGenerateCommand,
 			keyToNodeCommand,
 		},
 	}
-	keyGenerateCommand = cli.Command{
+	keyGenerateCommand = &cli.Command{
 		Name:      "generate",
 		Usage:     "Generates node key files",
 		ArgsUsage: "keyfile",
 		Action:    genkey,
 	}
-	keyToNodeCommand = cli.Command{
+	keyToNodeCommand = &cli.Command{
 		Name:      "to-enode",
 		Usage:     "Creates an enode URL from a node key file",
 		ArgsUsage: "keyfile",
@@ -50,17 +50,17 @@ var (
 )
 
 var (
-	hostFlag = cli.StringFlag{
+	hostFlag = &cli.StringFlag{
 		Name:  "ip",
 		Usage: "IP address of the node",
 		Value: "127.0.0.1",
 	}
-	tcpPortFlag = cli.IntFlag{
+	tcpPortFlag = &cli.IntFlag{
 		Name:  "tcp",
 		Usage: "TCP port of the node",
 		Value: 30303,
 	}
-	udpPortFlag = cli.IntFlag{
+	udpPortFlag = &cli.IntFlag{
 		Name:  "udp",
 		Usage: "UDP port of the node",
 		Value: 30303,

cmd/devp2p/main.go

@@ -20,12 +20,12 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
-	"sort"
 
 	"github.com/ethereum/go-ethereum/internal/debug"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/params"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
@@ -45,6 +45,7 @@ func init() {
 	// Set up the CLI app.
 	app.Flags = append(app.Flags, debug.Flags...)
 	app.Before = func(ctx *cli.Context) error {
+		flags.MigrateGlobalFlags(ctx)
 		return debug.Setup(ctx)
 	}
 	app.After = func(ctx *cli.Context) error {
@@ -56,7 +57,7 @@ func init() {
 		os.Exit(1)
 	}
 	// Add subcommands.
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		enrdumpCommand,
 		keyCommand,
 		discv4Command,
@@ -73,10 +74,17 @@ func main() {
 
 // commandHasFlag returns true if the current command supports the given flag.
 func commandHasFlag(ctx *cli.Context, flag cli.Flag) bool {
-	flags := ctx.FlagNames()
-	sort.Strings(flags)
-	i := sort.SearchStrings(flags, flag.GetName())
-	return i != len(flags) && flags[i] == flag.GetName()
+	names := flag.Names()
+	set := make(map[string]struct{}, len(names))
+	for _, name := range names {
+		set[name] = struct{}{}
+	}
+	for _, fn := range ctx.FlagNames() {
+		if _, ok := set[fn]; ok {
+			return true
+		}
+	}
+	return false
 }
 
 // getNodeArg handles the common case of a single node descriptor argument.
@@ -84,7 +92,7 @@ func getNodeArg(ctx *cli.Context) *enode.Node {
 	if ctx.NArg() < 1 {
 		exit("missing node as command-line argument")
 	}
-	n, err := parseNode(ctx.Args()[0])
+	n, err := parseNode(ctx.Args().First())
 	if err != nil {
 		exit(err)
 	}

cmd/devp2p/nodesetcmd.go

@@ -29,25 +29,25 @@ import (
 	"github.com/ethereum/go-ethereum/p2p/enr"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	nodesetCommand = cli.Command{
+	nodesetCommand = &cli.Command{
 		Name:  "nodeset",
 		Usage: "Node set tools",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			nodesetInfoCommand,
 			nodesetFilterCommand,
 		},
 	}
-	nodesetInfoCommand = cli.Command{
+	nodesetInfoCommand = &cli.Command{
 		Name:      "info",
 		Usage:     "Shows statistics about a node set",
 		Action:    nodesetInfo,
 		ArgsUsage: "<nodes.json>",
 	}
-	nodesetFilterCommand = cli.Command{
+	nodesetFilterCommand = &cli.Command{
 		Name:      "filter",
 		Usage:     "Filters a node set",
 		Action:    nodesetFilter,

cmd/devp2p/rlpxcmd.go

@@ -26,25 +26,25 @@ import (
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/rlpx"
 	"github.com/ethereum/go-ethereum/rlp"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	rlpxCommand = cli.Command{
+	rlpxCommand = &cli.Command{
 		Name:  "rlpx",
 		Usage: "RLPx Commands",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			rlpxPingCommand,
 			rlpxEthTestCommand,
 			rlpxSnapTestCommand,
 		},
 	}
-	rlpxPingCommand = cli.Command{
+	rlpxPingCommand = &cli.Command{
 		Name:   "ping",
 		Usage:  "ping <node>",
 		Action: rlpxPing,
 	}
-	rlpxEthTestCommand = cli.Command{
+	rlpxEthTestCommand = &cli.Command{
 		Name:      "eth-test",
 		Usage:     "Runs tests against a node",
 		ArgsUsage: "<node> <chain.rlp> <genesis.json>",
@@ -54,7 +54,7 @@ var (
 			testTAPFlag,
 		},
 	}
-	rlpxSnapTestCommand = cli.Command{
+	rlpxSnapTestCommand = &cli.Command{
 		Name:      "snap-test",
 		Usage:     "Runs tests against a node",
 		ArgsUsage: "<node> <chain.rlp> <genesis.json>",
@@ -106,7 +106,7 @@ func rlpxEthTest(ctx *cli.Context) error {
 	if ctx.NArg() < 3 {
 		exit("missing path to chain.rlp as command-line argument")
 	}
-	suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args()[1], ctx.Args()[2])
+	suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args().Get(1), ctx.Args().Get(2))
 	if err != nil {
 		exit(err)
 	}
@@ -123,7 +123,7 @@ func rlpxSnapTest(ctx *cli.Context) error {
 	if ctx.NArg() < 3 {
 		exit("missing path to chain.rlp as command-line argument")
 	}
-	suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args()[1], ctx.Args()[2])
+	suite, err := ethtest.NewSuite(getNodeArg(ctx), ctx.Args().Get(1), ctx.Args().Get(2))
 	if err != nil {
 		exit(err)
 	}

cmd/devp2p/runtest.go

@@ -22,25 +22,25 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/devp2p/internal/v4test"
 	"github.com/ethereum/go-ethereum/internal/utesting"
 	"github.com/ethereum/go-ethereum/log"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	testPatternFlag = cli.StringFlag{
+	testPatternFlag = &cli.StringFlag{
 		Name:  "run",
 		Usage: "Pattern of test suite(s) to run",
 	}
-	testTAPFlag = cli.BoolFlag{
+	testTAPFlag = &cli.BoolFlag{
 		Name:  "tap",
 		Usage: "Output TAP",
 	}
 	// These two are specific to the discovery tests.
-	testListen1Flag = cli.StringFlag{
+	testListen1Flag = &cli.StringFlag{
 		Name:  "listen1",
 		Usage: "IP address of the first tester",
 		Value: v4test.Listen1,
 	}
-	testListen2Flag = cli.StringFlag{
+	testListen2Flag = &cli.StringFlag{
 		Name:  "listen2",
 		Usage: "IP address of the second tester",
 		Value: v4test.Listen2,
@@ -53,7 +53,7 @@ func runTests(ctx *cli.Context, tests []utesting.Test) error {
 		tests = utesting.MatchTests(tests, ctx.String(testPatternFlag.Name))
 	}
 	// Disable logging unless explicitly enabled.
-	if !ctx.GlobalIsSet("verbosity") && !ctx.GlobalIsSet("vmodule") {
+	if !ctx.IsSet("verbosity") && !ctx.IsSet("vmodule") {
 		log.Root().SetHandler(log.DiscardHandler())
 	}
 	// Run the tests.

cmd/ethkey/changepassword.go

@@ -23,15 +23,15 @@ import (
 
 	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/cmd/utils"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var newPassphraseFlag = cli.StringFlag{
+var newPassphraseFlag = &cli.StringFlag{
 	Name:  "newpasswordfile",
 	Usage: "the file that contains the new password for the keyfile",
 }
 
-var commandChangePassphrase = cli.Command{
+var commandChangePassphrase = &cli.Command{
 	Name:      "changepassword",
 	Usage:     "change the password on a keyfile",
 	ArgsUsage: "<keyfile>",

cmd/ethkey/generate.go

@@ -26,7 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/google/uuid"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 type outputGenerate struct {
@@ -35,17 +35,17 @@ type outputGenerate struct {
 }
 
 var (
-	privateKeyFlag = cli.StringFlag{
+	privateKeyFlag = &cli.StringFlag{
 		Name:  "privatekey",
 		Usage: "file containing a raw private key to encrypt",
 	}
-	lightKDFFlag = cli.BoolFlag{
+	lightKDFFlag = &cli.BoolFlag{
 		Name:  "lightkdf",
 		Usage: "use less secure scrypt parameters",
 	}
 )
 
-var commandGenerate = cli.Command{
+var commandGenerate = &cli.Command{
 	Name:      "generate",
 	Usage:     "generate new keyfile",
 	ArgsUsage: "[ <keyfile> ]",

cmd/ethkey/inspect.go

@@ -24,7 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/crypto"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 type outputInspect struct {
@@ -34,13 +34,13 @@ type outputInspect struct {
 }
 
 var (
-	privateFlag = cli.BoolFlag{
+	privateFlag = &cli.BoolFlag{
 		Name:  "private",
 		Usage: "include the private key in the output",
 	}
 )
 
-var commandInspect = cli.Command{
+var commandInspect = &cli.Command{
 	Name:      "inspect",
 	Usage:     "inspect a keyfile",
 	ArgsUsage: "<keyfile>",

cmd/ethkey/main.go

@@ -21,7 +21,7 @@ import (
 	"os"
 
 	"github.com/ethereum/go-ethereum/internal/flags"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const (
@@ -36,23 +36,22 @@ var app *cli.App
 
 func init() {
 	app = flags.NewApp(gitCommit, gitDate, "an Ethereum key manager")
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		commandGenerate,
 		commandInspect,
 		commandChangePassphrase,
 		commandSignMessage,
 		commandVerifyMessage,
 	}
-	cli.CommandHelpTemplate = flags.OriginCommandHelpTemplate
 }
 
 // Commonly used command line flags.
 var (
-	passphraseFlag = cli.StringFlag{
+	passphraseFlag = &cli.StringFlag{
 		Name:  "passwordfile",
 		Usage: "the file that contains the password for the keyfile",
 	}
-	jsonFlag = cli.BoolFlag{
+	jsonFlag = &cli.BoolFlag{
 		Name:  "json",
 		Usage: "output JSON instead of human-readable format",
 	}

cmd/ethkey/message.go

@@ -26,19 +26,19 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 type outputSign struct {
 	Signature string
 }
 
-var msgfileFlag = cli.StringFlag{
+var msgfileFlag = &cli.StringFlag{
 	Name:  "msgfile",
 	Usage: "file containing the message to sign/verify",
 }
 
-var commandSignMessage = cli.Command{
+var commandSignMessage = &cli.Command{
 	Name:      "signmessage",
 	Usage:     "sign a message",
 	ArgsUsage: "<keyfile> <message>",
@@ -89,7 +89,7 @@ type outputVerify struct {
 	RecoveredPublicKey string
 }
 
-var commandVerifyMessage = cli.Command{
+var commandVerifyMessage = &cli.Command{
 	Name:      "verifymessage",
 	Usage:     "verify the signature of a signed message",
 	ArgsUsage: "<address> <signature> <message>",
@@ -144,7 +144,7 @@ It is possible to refer to a file containing the message.`,
 
 func getMessage(ctx *cli.Context, msgarg int) []byte {
 	if file := ctx.String(msgfileFlag.Name); file != "" {
-		if len(ctx.Args()) > msgarg {
+		if ctx.NArg() > msgarg {
 			utils.Fatalf("Can't use --msgfile and message argument at the same time.")
 		}
 		msg, err := os.ReadFile(file)
@@ -152,9 +152,9 @@ func getMessage(ctx *cli.Context, msgarg int) []byte {
 			utils.Fatalf("Can't read message file: %v", err)
 		}
 		return msg
-	} else if len(ctx.Args()) == msgarg+1 {
+	} else if ctx.NArg() == msgarg+1 {
 		return []byte(ctx.Args().Get(msgarg))
 	}
-	utils.Fatalf("Invalid number of arguments: want %d, got %d", msgarg+1, len(ctx.Args()))
+	utils.Fatalf("Invalid number of arguments: want %d, got %d", msgarg+1, ctx.NArg())
 	return nil
 }

cmd/ethkey/utils.go

@@ -23,7 +23,7 @@ import (
 	"strings"
 
 	"github.com/ethereum/go-ethereum/cmd/utils"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 // getPassphrase obtains a passphrase given by the user.  It first checks the

cmd/evm/compiler.go

@@ -23,10 +23,10 @@ import (
 
 	"github.com/ethereum/go-ethereum/cmd/evm/internal/compiler"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var compileCommand = cli.Command{
+var compileCommand = &cli.Command{
 	Action:    compileCmd,
 	Name:      "compile",
 	Usage:     "compiles easm source to evm binary",
@@ -34,7 +34,7 @@ var compileCommand = cli.Command{
 }
 
 func compileCmd(ctx *cli.Context) error {
-	debug := ctx.GlobalBool(DebugFlag.Name)
+	debug := ctx.Bool(DebugFlag.Name)
 
 	if len(ctx.Args().First()) == 0 {
 		return errors.New("filename required")

cmd/evm/disasm.go

@@ -23,10 +23,10 @@ import (
 	"strings"
 
 	"github.com/ethereum/go-ethereum/core/asm"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var disasmCommand = cli.Command{
+var disasmCommand = &cli.Command{
 	Action:    disasmCmd,
 	Name:      "disasm",
 	Usage:     "disassembles evm binary",
@@ -43,8 +43,8 @@ func disasmCmd(ctx *cli.Context) error {
 			return err
 		}
 		in = string(input)
-	case ctx.GlobalIsSet(InputFlag.Name):
-		in = ctx.GlobalString(InputFlag.Name)
+	case ctx.IsSet(InputFlag.Name):
+		in = ctx.String(InputFlag.Name)
 	default:
 		return errors.New("missing filename or --input value")
 	}

cmd/evm/internal/t8ntool/block.go

@@ -33,7 +33,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 //go:generate go run github.com/fjl/gencodec -type header -field-override headerMarshaling -out gen_header.go

cmd/evm/internal/t8ntool/execution.go

@@ -100,7 +100,6 @@ type rejectedTx struct {
 func (pre *Prestate) Apply(vmConfig vm.Config, chainConfig *params.ChainConfig,
 	txs types.Transactions, miningReward int64,
 	getTracerFn func(txIndex int, txHash common.Hash) (tracer vm.EVMLogger, err error)) (*state.StateDB, *ExecutionResult, error) {
-
 	// Capture errors for BLOCKHASH operation, if we haven't been supplied the
 	// required blockhashes
 	var hashError error

cmd/evm/internal/t8ntool/flags.go

@@ -22,45 +22,47 @@ import (
 
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/tests"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	TraceFlag = cli.BoolFlag{
+	TraceFlag = &cli.BoolFlag{
 		Name:  "trace",
 		Usage: "Output full trace logs to files <txhash>.jsonl",
 	}
-	TraceDisableMemoryFlag = cli.BoolTFlag{
+	TraceDisableMemoryFlag = &cli.BoolFlag{
 		Name:  "trace.nomemory",
+		Value: true,
 		Usage: "Disable full memory dump in traces (deprecated)",
 	}
-	TraceEnableMemoryFlag = cli.BoolFlag{
+	TraceEnableMemoryFlag = &cli.BoolFlag{
 		Name:  "trace.memory",
 		Usage: "Enable full memory dump in traces",
 	}
-	TraceDisableStackFlag = cli.BoolFlag{
+	TraceDisableStackFlag = &cli.BoolFlag{
 		Name:  "trace.nostack",
 		Usage: "Disable stack output in traces",
 	}
-	TraceDisableReturnDataFlag = cli.BoolTFlag{
+	TraceDisableReturnDataFlag = &cli.BoolFlag{
 		Name:  "trace.noreturndata",
+		Value: true,
 		Usage: "Disable return data output in traces (deprecated)",
 	}
-	TraceEnableReturnDataFlag = cli.BoolFlag{
+	TraceEnableReturnDataFlag = &cli.BoolFlag{
 		Name:  "trace.returndata",
 		Usage: "Enable return data output in traces",
 	}
-	OutputBasedir = cli.StringFlag{
+	OutputBasedir = &cli.StringFlag{
 		Name:  "output.basedir",
 		Usage: "Specifies where output files are placed. Will be created if it does not exist.",
 		Value: "",
 	}
-	OutputBodyFlag = cli.StringFlag{
+	OutputBodyFlag = &cli.StringFlag{
 		Name:  "output.body",
 		Usage: "If set, the RLP of the transactions (block body) will be written to this file.",
 		Value: "",
 	}
-	OutputAllocFlag = cli.StringFlag{
+	OutputAllocFlag = &cli.StringFlag{
 		Name: "output.alloc",
 		Usage: "Determines where to put the `alloc` of the post-state.\n" +
 			"\t`stdout` - into the stdout output\n" +
@@ -68,7 +70,7 @@ var (
 			"\t<file> - into the file <file> ",
 		Value: "alloc.json",
 	}
-	OutputResultFlag = cli.StringFlag{
+	OutputResultFlag = &cli.StringFlag{
 		Name: "output.result",
 		Usage: "Determines where to put the `result` (stateroot, txroot etc) of the post-state.\n" +
 			"\t`stdout` - into the stdout output\n" +
@@ -76,7 +78,7 @@ var (
 			"\t<file> - into the file <file> ",
 		Value: "result.json",
 	}
-	OutputBlockFlag = cli.StringFlag{
+	OutputBlockFlag = &cli.StringFlag{
 		Name: "output.block",
 		Usage: "Determines where to put the `block` after building.\n" +
 			"\t`stdout` - into the stdout output\n" +
@@ -84,65 +86,65 @@ var (
 			"\t<file> - into the file <file> ",
 		Value: "block.json",
 	}
-	InputAllocFlag = cli.StringFlag{
+	InputAllocFlag = &cli.StringFlag{
 		Name:  "input.alloc",
 		Usage: "`stdin` or file name of where to find the prestate alloc to use.",
 		Value: "alloc.json",
 	}
-	InputEnvFlag = cli.StringFlag{
+	InputEnvFlag = &cli.StringFlag{
 		Name:  "input.env",
 		Usage: "`stdin` or file name of where to find the prestate env to use.",
 		Value: "env.json",
 	}
-	InputTxsFlag = cli.StringFlag{
+	InputTxsFlag = &cli.StringFlag{
 		Name: "input.txs",
 		Usage: "`stdin` or file name of where to find the transactions to apply. " +
 			"If the file extension is '.rlp', then the data is interpreted as an RLP list of signed transactions." +
 			"The '.rlp' format is identical to the output.body format.",
 		Value: "txs.json",
 	}
-	InputHeaderFlag = cli.StringFlag{
+	InputHeaderFlag = &cli.StringFlag{
 		Name:  "input.header",
 		Usage: "`stdin` or file name of where to find the block header to use.",
 		Value: "header.json",
 	}
-	InputOmmersFlag = cli.StringFlag{
+	InputOmmersFlag = &cli.StringFlag{
 		Name:  "input.ommers",
 		Usage: "`stdin` or file name of where to find the list of ommer header RLPs to use.",
 	}
-	InputTxsRlpFlag = cli.StringFlag{
+	InputTxsRlpFlag = &cli.StringFlag{
 		Name:  "input.txs",
 		Usage: "`stdin` or file name of where to find the transactions list in RLP form.",
 		Value: "txs.rlp",
 	}
-	SealCliqueFlag = cli.StringFlag{
+	SealCliqueFlag = &cli.StringFlag{
 		Name:  "seal.clique",
 		Usage: "Seal block with Clique. `stdin` or file name of where to find the Clique sealing data.",
 	}
-	SealEthashFlag = cli.BoolFlag{
+	SealEthashFlag = &cli.BoolFlag{
 		Name:  "seal.ethash",
 		Usage: "Seal block with ethash.",
 	}
-	SealEthashDirFlag = cli.StringFlag{
+	SealEthashDirFlag = &cli.StringFlag{
 		Name:  "seal.ethash.dir",
 		Usage: "Path to ethash DAG. If none exists, a new DAG will be generated.",
 	}
-	SealEthashModeFlag = cli.StringFlag{
+	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{
+	RewardFlag = &cli.Int64Flag{
 		Name:  "state.reward",
 		Usage: "Mining reward. Set to -1 to disable",
 		Value: 0,
 	}
-	ChainIDFlag = cli.Int64Flag{
+	ChainIDFlag = &cli.Int64Flag{
 		Name:  "state.chainid",
 		Usage: "ChainID to use",
 		Value: 1,
 	}
-	ForknameFlag = cli.StringFlag{
+	ForknameFlag = &cli.StringFlag{
 		Name: "state.fork",
 		Usage: fmt.Sprintf("Name of ruleset to use."+
 			"\n\tAvailable forknames:"+
@@ -154,7 +156,7 @@ var (
 			strings.Join(vm.ActivateableEips(), ", ")),
 		Value: "GrayGlacier",
 	}
-	VerbosityFlag = cli.IntFlag{
+	VerbosityFlag = &cli.IntFlag{
 		Name:  "verbosity",
 		Usage: "sets the verbosity level",
 		Value: 3,

cmd/evm/internal/t8ntool/transaction.go

@@ -32,7 +32,7 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/tests"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 type result struct {

cmd/evm/internal/t8ntool/transition.go

@@ -38,7 +38,7 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/tests"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const (

cmd/evm/internal/t8ntool/utils.go

@@ -21,7 +21,7 @@ import (
 	"fmt"
 	"os"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 // readFile reads the json-data in the provided path and marshals into dest.

cmd/evm/main.go

@@ -23,115 +23,118 @@ import (
 	"os"
 
 	"github.com/ethereum/go-ethereum/cmd/evm/internal/t8ntool"
-	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/internal/flags"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var gitCommit = "" // Git SHA1 commit hash of the release (set via linker flags)
-var gitDate = ""
+var (
+	gitCommit = "" // Git SHA1 commit hash of the release (set via linker flags)
+	gitDate   = ""
+
+	app = flags.NewApp(gitCommit, gitDate, "the evm command line interface")
+)
 
 var (
-	app = flags.NewApp(gitCommit, gitDate, "the evm command line interface")
-
-	DebugFlag = cli.BoolFlag{
+	DebugFlag = &cli.BoolFlag{
 		Name:  "debug",
 		Usage: "output full trace logs",
 	}
-	MemProfileFlag = cli.StringFlag{
+	MemProfileFlag = &cli.StringFlag{
 		Name:  "memprofile",
 		Usage: "creates a memory profile at the given path",
 	}
-	CPUProfileFlag = cli.StringFlag{
+	CPUProfileFlag = &cli.StringFlag{
 		Name:  "cpuprofile",
 		Usage: "creates a CPU profile at the given path",
 	}
-	StatDumpFlag = cli.BoolFlag{
+	StatDumpFlag = &cli.BoolFlag{
 		Name:  "statdump",
 		Usage: "displays stack and heap memory information",
 	}
-	CodeFlag = cli.StringFlag{
+	CodeFlag = &cli.StringFlag{
 		Name:  "code",
 		Usage: "EVM code",
 	}
-	CodeFileFlag = cli.StringFlag{
+	CodeFileFlag = &cli.StringFlag{
 		Name:  "codefile",
 		Usage: "File containing EVM code. If '-' is specified, code is read from stdin ",
 	}
-	GasFlag = cli.Uint64Flag{
+	GasFlag = &cli.Uint64Flag{
 		Name:  "gas",
 		Usage: "gas limit for the evm",
 		Value: 10000000000,
 	}
-	PriceFlag = utils.BigFlag{
+	PriceFlag = &flags.BigFlag{
 		Name:  "price",
 		Usage: "price set for the evm",
 		Value: new(big.Int),
 	}
-	ValueFlag = utils.BigFlag{
+	ValueFlag = &flags.BigFlag{
 		Name:  "value",
 		Usage: "value set for the evm",
 		Value: new(big.Int),
 	}
-	DumpFlag = cli.BoolFlag{
+	DumpFlag = &cli.BoolFlag{
 		Name:  "dump",
 		Usage: "dumps the state after the run",
 	}
-	InputFlag = cli.StringFlag{
+	InputFlag = &cli.StringFlag{
 		Name:  "input",
 		Usage: "input for the EVM",
 	}
-	InputFileFlag = cli.StringFlag{
+	InputFileFlag = &cli.StringFlag{
 		Name:  "inputfile",
 		Usage: "file containing input for the EVM",
 	}
-	VerbosityFlag = cli.IntFlag{
+	VerbosityFlag = &cli.IntFlag{
 		Name:  "verbosity",
 		Usage: "sets the verbosity level",
 	}
-	BenchFlag = cli.BoolFlag{
+	BenchFlag = &cli.BoolFlag{
 		Name:  "bench",
 		Usage: "benchmark the execution",
 	}
-	CreateFlag = cli.BoolFlag{
+	CreateFlag = &cli.BoolFlag{
 		Name:  "create",
 		Usage: "indicates the action should be create rather than call",
 	}
-	GenesisFlag = cli.StringFlag{
+	GenesisFlag = &cli.StringFlag{
 		Name:  "prestate",
 		Usage: "JSON file with prestate (genesis) config",
 	}
-	MachineFlag = cli.BoolFlag{
+	MachineFlag = &cli.BoolFlag{
 		Name:  "json",
 		Usage: "output trace logs in machine readable format (json)",
 	}
-	SenderFlag = cli.StringFlag{
+	SenderFlag = &cli.StringFlag{
 		Name:  "sender",
 		Usage: "The transaction origin",
 	}
-	ReceiverFlag = cli.StringFlag{
+	ReceiverFlag = &cli.StringFlag{
 		Name:  "receiver",
 		Usage: "The transaction receiver (execution context)",
 	}
-	DisableMemoryFlag = cli.BoolTFlag{
+	DisableMemoryFlag = &cli.BoolFlag{
 		Name:  "nomemory",
+		Value: true,
 		Usage: "disable memory output",
 	}
-	DisableStackFlag = cli.BoolFlag{
+	DisableStackFlag = &cli.BoolFlag{
 		Name:  "nostack",
 		Usage: "disable stack output",
 	}
-	DisableStorageFlag = cli.BoolFlag{
+	DisableStorageFlag = &cli.BoolFlag{
 		Name:  "nostorage",
 		Usage: "disable storage output",
 	}
-	DisableReturnDataFlag = cli.BoolTFlag{
+	DisableReturnDataFlag = &cli.BoolFlag{
 		Name:  "noreturndata",
+		Value: true,
 		Usage: "enable return data output",
 	}
 )
 
-var stateTransitionCommand = cli.Command{
+var stateTransitionCommand = &cli.Command{
 	Name:    "transition",
 	Aliases: []string{"t8n"},
 	Usage:   "executes a full state transition",
@@ -156,7 +159,8 @@ var stateTransitionCommand = cli.Command{
 		t8ntool.VerbosityFlag,
 	},
 }
-var transactionCommand = cli.Command{
+
+var transactionCommand = &cli.Command{
 	Name:    "transaction",
 	Aliases: []string{"t9n"},
 	Usage:   "performs transaction validation",
@@ -169,7 +173,7 @@ var transactionCommand = cli.Command{
 	},
 }
 
-var blockBuilderCommand = cli.Command{
+var blockBuilderCommand = &cli.Command{
 	Name:    "block-builder",
 	Aliases: []string{"b11r"},
 	Usage:   "builds a block",
@@ -214,7 +218,7 @@ func init() {
 		DisableStorageFlag,
 		DisableReturnDataFlag,
 	}
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		compileCommand,
 		disasmCommand,
 		runCommand,
@@ -223,7 +227,6 @@ func init() {
 		transactionCommand,
 		blockBuilderCommand,
 	}
-	cli.CommandHelpTemplate = flags.OriginCommandHelpTemplate
 }
 
 func main() {

cmd/evm/runner.go

@@ -37,12 +37,13 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/core/vm/runtime"
 	"github.com/ethereum/go-ethereum/eth/tracers/logger"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var runCommand = cli.Command{
+var runCommand = &cli.Command{
 	Action:      runCmd,
 	Name:        "run",
 	Usage:       "run arbitrary evm binary",
@@ -106,14 +107,14 @@ func timedExec(bench bool, execFunc func() ([]byte, uint64, error)) (output []by
 
 func runCmd(ctx *cli.Context) error {
 	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
-	glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
+	glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
 	log.Root().SetHandler(glogger)
 	logconfig := &logger.Config{
-		EnableMemory:     !ctx.GlobalBool(DisableMemoryFlag.Name),
-		DisableStack:     ctx.GlobalBool(DisableStackFlag.Name),
-		DisableStorage:   ctx.GlobalBool(DisableStorageFlag.Name),
-		EnableReturnData: !ctx.GlobalBool(DisableReturnDataFlag.Name),
-		Debug:            ctx.GlobalBool(DebugFlag.Name),
+		EnableMemory:     !ctx.Bool(DisableMemoryFlag.Name),
+		DisableStack:     ctx.Bool(DisableStackFlag.Name),
+		DisableStorage:   ctx.Bool(DisableStorageFlag.Name),
+		EnableReturnData: !ctx.Bool(DisableReturnDataFlag.Name),
+		Debug:            ctx.Bool(DebugFlag.Name),
 	}
 
 	var (
@@ -125,16 +126,16 @@ func runCmd(ctx *cli.Context) error {
 		receiver      = common.BytesToAddress([]byte("receiver"))
 		genesisConfig *core.Genesis
 	)
-	if ctx.GlobalBool(MachineFlag.Name) {
+	if ctx.Bool(MachineFlag.Name) {
 		tracer = logger.NewJSONLogger(logconfig, os.Stdout)
-	} else if ctx.GlobalBool(DebugFlag.Name) {
+	} else if ctx.Bool(DebugFlag.Name) {
 		debugLogger = logger.NewStructLogger(logconfig)
 		tracer = debugLogger
 	} else {
 		debugLogger = logger.NewStructLogger(logconfig)
 	}
-	if ctx.GlobalString(GenesisFlag.Name) != "" {
-		gen := readGenesis(ctx.GlobalString(GenesisFlag.Name))
+	if ctx.String(GenesisFlag.Name) != "" {
+		gen := readGenesis(ctx.String(GenesisFlag.Name))
 		genesisConfig = gen
 		db := rawdb.NewMemoryDatabase()
 		genesis := gen.ToBlock(db)
@@ -144,18 +145,18 @@ func runCmd(ctx *cli.Context) error {
 		statedb, _ = state.New(common.Hash{}, state.NewDatabase(rawdb.NewMemoryDatabase()), nil)
 		genesisConfig = new(core.Genesis)
 	}
-	if ctx.GlobalString(SenderFlag.Name) != "" {
-		sender = common.HexToAddress(ctx.GlobalString(SenderFlag.Name))
+	if ctx.String(SenderFlag.Name) != "" {
+		sender = common.HexToAddress(ctx.String(SenderFlag.Name))
 	}
 	statedb.CreateAccount(sender)
 
-	if ctx.GlobalString(ReceiverFlag.Name) != "" {
-		receiver = common.HexToAddress(ctx.GlobalString(ReceiverFlag.Name))
+	if ctx.String(ReceiverFlag.Name) != "" {
+		receiver = common.HexToAddress(ctx.String(ReceiverFlag.Name))
 	}
 
 	var code []byte
-	codeFileFlag := ctx.GlobalString(CodeFileFlag.Name)
-	codeFlag := ctx.GlobalString(CodeFlag.Name)
+	codeFileFlag := ctx.String(CodeFileFlag.Name)
+	codeFlag := ctx.String(CodeFlag.Name)
 
 	// The '--code' or '--codefile' flag overrides code in state
 	if codeFileFlag != "" || codeFlag != "" {
@@ -197,7 +198,7 @@ func runCmd(ctx *cli.Context) error {
 		}
 		code = common.Hex2Bytes(bin)
 	}
-	initialGas := ctx.GlobalUint64(GasFlag.Name)
+	initialGas := ctx.Uint64(GasFlag.Name)
 	if genesisConfig.GasLimit != 0 {
 		initialGas = genesisConfig.GasLimit
 	}
@@ -205,19 +206,19 @@ func runCmd(ctx *cli.Context) error {
 		Origin:      sender,
 		State:       statedb,
 		GasLimit:    initialGas,
-		GasPrice:    utils.GlobalBig(ctx, PriceFlag.Name),
-		Value:       utils.GlobalBig(ctx, ValueFlag.Name),
+		GasPrice:    flags.GlobalBig(ctx, PriceFlag.Name),
+		Value:       flags.GlobalBig(ctx, ValueFlag.Name),
 		Difficulty:  genesisConfig.Difficulty,
 		Time:        new(big.Int).SetUint64(genesisConfig.Timestamp),
 		Coinbase:    genesisConfig.Coinbase,
 		BlockNumber: new(big.Int).SetUint64(genesisConfig.Number),
 		EVMConfig: vm.Config{
 			Tracer: tracer,
-			Debug:  ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
+			Debug:  ctx.Bool(DebugFlag.Name) || ctx.Bool(MachineFlag.Name),
 		},
 	}
 
-	if cpuProfilePath := ctx.GlobalString(CPUProfileFlag.Name); cpuProfilePath != "" {
+	if cpuProfilePath := ctx.String(CPUProfileFlag.Name); cpuProfilePath != "" {
 		f, err := os.Create(cpuProfilePath)
 		if err != nil {
 			fmt.Println("could not create CPU profile: ", err)
@@ -237,14 +238,14 @@ func runCmd(ctx *cli.Context) error {
 	}
 
 	var hexInput []byte
-	if inputFileFlag := ctx.GlobalString(InputFileFlag.Name); inputFileFlag != "" {
+	if inputFileFlag := ctx.String(InputFileFlag.Name); inputFileFlag != "" {
 		var err error
 		if hexInput, err = os.ReadFile(inputFileFlag); err != nil {
 			fmt.Printf("could not load input from file: %v\n", err)
 			os.Exit(1)
 		}
 	} else {
-		hexInput = []byte(ctx.GlobalString(InputFlag.Name))
+		hexInput = []byte(ctx.String(InputFlag.Name))
 	}
 	hexInput = bytes.TrimSpace(hexInput)
 	if len(hexInput)%2 != 0 {
@@ -254,7 +255,7 @@ func runCmd(ctx *cli.Context) error {
 	input := common.FromHex(string(hexInput))
 
 	var execFunc func() ([]byte, uint64, error)
-	if ctx.GlobalBool(CreateFlag.Name) {
+	if ctx.Bool(CreateFlag.Name) {
 		input = append(code, input...)
 		execFunc = func() ([]byte, uint64, error) {
 			output, _, gasLeft, err := runtime.Create(input, &runtimeConfig)
@@ -269,16 +270,16 @@ func runCmd(ctx *cli.Context) error {
 		}
 	}
 
-	bench := ctx.GlobalBool(BenchFlag.Name)
+	bench := ctx.Bool(BenchFlag.Name)
 	output, leftOverGas, stats, err := timedExec(bench, execFunc)
 
-	if ctx.GlobalBool(DumpFlag.Name) {
+	if ctx.Bool(DumpFlag.Name) {
 		statedb.Commit(true)
 		statedb.IntermediateRoot(true)
 		fmt.Println(string(statedb.Dump(nil)))
 	}
 
-	if memProfilePath := ctx.GlobalString(MemProfileFlag.Name); memProfilePath != "" {
+	if memProfilePath := ctx.String(MemProfileFlag.Name); memProfilePath != "" {
 		f, err := os.Create(memProfilePath)
 		if err != nil {
 			fmt.Println("could not create memory profile: ", err)
@@ -291,7 +292,7 @@ func runCmd(ctx *cli.Context) error {
 		f.Close()
 	}
 
-	if ctx.GlobalBool(DebugFlag.Name) {
+	if ctx.Bool(DebugFlag.Name) {
 		if debugLogger != nil {
 			fmt.Fprintln(os.Stderr, "#### TRACE ####")
 			logger.WriteTrace(os.Stderr, debugLogger.StructLogs())
@@ -300,7 +301,7 @@ func runCmd(ctx *cli.Context) error {
 		logger.WriteLogs(os.Stderr, statedb.Logs())
 	}
 
-	if bench || ctx.GlobalBool(StatDumpFlag.Name) {
+	if bench || ctx.Bool(StatDumpFlag.Name) {
 		fmt.Fprintf(os.Stderr, `EVM gas used:    %d
 execution time:  %v
 allocations:     %d
@@ -308,7 +309,7 @@ allocated bytes: %d
 `, initialGas-leftOverGas, stats.time, stats.allocs, stats.bytesAllocated)
 	}
 	if tracer == nil {
-		fmt.Printf("0x%x\n", output)
+		fmt.Printf("%#x\n", output)
 		if err != nil {
 			fmt.Printf(" error: %v\n", err)
 		}

cmd/evm/staterunner.go

@@ -28,10 +28,10 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/tests"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
-var stateTestCommand = cli.Command{
+var stateTestCommand = &cli.Command{
 	Action:    stateTestCmd,
 	Name:      "statetest",
 	Usage:     "executes the given state tests",
@@ -54,25 +54,25 @@ func stateTestCmd(ctx *cli.Context) error {
 	}
 	// Configure the go-ethereum logger
 	glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
-	glogger.Verbosity(log.Lvl(ctx.GlobalInt(VerbosityFlag.Name)))
+	glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
 	log.Root().SetHandler(glogger)
 
 	// Configure the EVM logger
 	config := &logger.Config{
-		EnableMemory:     !ctx.GlobalBool(DisableMemoryFlag.Name),
-		DisableStack:     ctx.GlobalBool(DisableStackFlag.Name),
-		DisableStorage:   ctx.GlobalBool(DisableStorageFlag.Name),
-		EnableReturnData: !ctx.GlobalBool(DisableReturnDataFlag.Name),
+		EnableMemory:     !ctx.Bool(DisableMemoryFlag.Name),
+		DisableStack:     ctx.Bool(DisableStackFlag.Name),
+		DisableStorage:   ctx.Bool(DisableStorageFlag.Name),
+		EnableReturnData: !ctx.Bool(DisableReturnDataFlag.Name),
 	}
 	var (
 		tracer   vm.EVMLogger
 		debugger *logger.StructLogger
 	)
 	switch {
-	case ctx.GlobalBool(MachineFlag.Name):
+	case ctx.Bool(MachineFlag.Name):
 		tracer = logger.NewJSONLogger(config, os.Stderr)
 
-	case ctx.GlobalBool(DebugFlag.Name):
+	case ctx.Bool(DebugFlag.Name):
 		debugger = logger.NewStructLogger(config)
 		tracer = debugger
 
@@ -91,7 +91,7 @@ func stateTestCmd(ctx *cli.Context) error {
 	// Iterate over all the tests, run them and aggregate the results
 	cfg := vm.Config{
 		Tracer: tracer,
-		Debug:  ctx.GlobalBool(DebugFlag.Name) || ctx.GlobalBool(MachineFlag.Name),
+		Debug:  ctx.Bool(DebugFlag.Name) || ctx.Bool(MachineFlag.Name),
 	}
 	results := make([]StatetestResult, 0, len(tests))
 	for key, test := range tests {
@@ -100,13 +100,13 @@ func stateTestCmd(ctx *cli.Context) error {
 			result := &StatetestResult{Name: key, Fork: st.Fork, Pass: true}
 			_, s, err := test.Run(st, cfg, false)
 			// print state root for evmlab tracing
-			if ctx.GlobalBool(MachineFlag.Name) && s != nil {
+			if ctx.Bool(MachineFlag.Name) && s != nil {
 				fmt.Fprintf(os.Stderr, "{\"stateRoot\": \"%x\"}\n", s.IntermediateRoot(false))
 			}
 			if err != nil {
 				// Test failed, mark as so and dump any state to aid debugging
 				result.Pass, result.Error = false, err.Error()
-				if ctx.GlobalBool(DumpFlag.Name) && s != nil {
+				if ctx.Bool(DumpFlag.Name) && s != nil {
 					dump := s.RawDump(nil)
 					result.State = &dump
 				}
@@ -115,7 +115,7 @@ func stateTestCmd(ctx *cli.Context) error {
 			results = append(results, *result)
 
 			// Print any structured logs collected
-			if ctx.GlobalBool(DebugFlag.Name) {
+			if ctx.Bool(DebugFlag.Name) {
 				if debugger != nil {
 					fmt.Fprintln(os.Stderr, "#### TRACE ####")
 					logger.WriteTrace(os.Stderr, debugger.StructLogs())

cmd/evm/t8n_test.go

@@ -244,7 +244,6 @@ func TestT8n(t *testing.T) {
 			expExitCode: 3,
 		},
 	} {
-
 		args := []string{"t8n"}
 		args = append(args, tc.output.get()...)
 		args = append(args, tc.input.get(tc.base)...)
@@ -355,7 +354,6 @@ func TestT9n(t *testing.T) {
 			expExitCode: t8ntool.ErrorIO,
 		},
 	} {
-
 		args := []string{"t9n"}
 		args = append(args, tc.input.get(tc.base)...)
 
@@ -475,7 +473,6 @@ func TestB11r(t *testing.T) {
 			expOut: "exp.json",
 		},
 	} {
-
 		args := []string{"b11r"}
 		args = append(args, tc.input.get(tc.base)...)
 

cmd/faucet/README.md

@@ -10,9 +10,10 @@ The `faucet` is a single binary app (everything included) with all configuration
 
 First thing's first, the `faucet` needs to connect to an Ethereum network, for which it needs the necessary genesis and network infos. Each of the following flags must be set:
 
-- `-genesis` is a path to a file containin the network `genesis.json`. or using:
+- `-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

@@ -86,6 +86,7 @@ var (
 
 	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")
 )
 
 var (
@@ -143,7 +144,7 @@ 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)
+	genesis, err := getGenesis(*genesisFlag, *goerliFlag, *rinkebyFlag, *sepoliaFlag)
 	if err != nil {
 		log.Crit("Failed to parse genesis config", "err", err)
 	}
@@ -860,7 +861,7 @@ func authFacebook(url string) (string, string, common.Address, error) {
 	address := common.HexToAddress(string(regexp.MustCompile("0x[0-9a-fA-F]{40}").Find(body)))
 	if address == (common.Address{}) {
 		//lint:ignore ST1005 This error is to be displayed in the browser
-		return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
+		return "", "", common.Address{}, errors.New("No Ethereum address found to fund. Please check the post URL and verify that it can be viewed publicly.")
 	}
 	var avatar string
 	if parts = regexp.MustCompile(`src="([^"]+fbcdn\.net[^"]+)"`).FindStringSubmatch(string(body)); len(parts) == 2 {
@@ -882,7 +883,7 @@ 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) (*core.Genesis, error) {
+func getGenesis(genesisFlag string, goerliFlag bool, rinkebyFlag bool, sepoliaFlag bool) (*core.Genesis, error) {
 	switch {
 	case genesisFlag != "":
 		var genesis core.Genesis
@@ -892,6 +893,8 @@ func getGenesis(genesisFlag string, goerliFlag bool, rinkebyFlag bool) (*core.Ge
 		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")
 	}

cmd/geth/accountcmd.go

@@ -25,29 +25,27 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/log"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	walletCommand = cli.Command{
+	walletCommand = &cli.Command{
 		Name:      "wallet",
 		Usage:     "Manage Ethereum presale wallets",
 		ArgsUsage: "",
-		Category:  "ACCOUNT COMMANDS",
 		Description: `
     geth wallet import /path/to/my/presale.wallet
 
 will prompt for your password and imports your ether presale account.
 It can be used non-interactively with the --password option taking a
 passwordfile as argument containing the wallet password in plaintext.`,
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			{
 
 				Name:      "import",
 				Usage:     "Import Ethereum presale wallet",
 				ArgsUsage: "<keyFile>",
-				Action:    utils.MigrateFlags(importWallet),
-				Category:  "ACCOUNT COMMANDS",
+				Action:    importWallet,
 				Flags: []cli.Flag{
 					utils.DataDirFlag,
 					utils.KeyStoreDirFlag,
@@ -64,10 +62,9 @@ passwordfile as argument containing the wallet password in plaintext.`,
 		},
 	}
 
-	accountCommand = cli.Command{
-		Name:     "account",
-		Usage:    "Manage accounts",
-		Category: "ACCOUNT COMMANDS",
+	accountCommand = &cli.Command{
+		Name:  "account",
+		Usage: "Manage accounts",
 		Description: `
 
 Manage accounts, list all existing accounts, import a private key into a new
@@ -88,11 +85,11 @@ It is safe to transfer the entire directory or the individual keys therein
 between ethereum nodes by simply copying.
 
 Make sure you backup your keys regularly.`,
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			{
 				Name:   "list",
 				Usage:  "Print summary of existing accounts",
-				Action: utils.MigrateFlags(accountList),
+				Action: accountList,
 				Flags: []cli.Flag{
 					utils.DataDirFlag,
 					utils.KeyStoreDirFlag,
@@ -103,7 +100,7 @@ Print a short summary of all accounts`,
 			{
 				Name:   "new",
 				Usage:  "Create a new account",
-				Action: utils.MigrateFlags(accountCreate),
+				Action: accountCreate,
 				Flags: []cli.Flag{
 					utils.DataDirFlag,
 					utils.KeyStoreDirFlag,
@@ -128,7 +125,7 @@ password to file or expose in any other way.
 			{
 				Name:      "update",
 				Usage:     "Update an existing account",
-				Action:    utils.MigrateFlags(accountUpdate),
+				Action:    accountUpdate,
 				ArgsUsage: "<address>",
 				Flags: []cli.Flag{
 					utils.DataDirFlag,
@@ -157,7 +154,7 @@ changing your password is only possible interactively.
 			{
 				Name:   "import",
 				Usage:  "Import a private key into a new account",
-				Action: utils.MigrateFlags(accountImport),
+				Action: accountImport,
 				Flags: []cli.Flag{
 					utils.DataDirFlag,
 					utils.KeyStoreDirFlag,
@@ -263,7 +260,7 @@ func ambiguousAddrRecovery(ks *keystore.KeyStore, err *keystore.AmbiguousAddrErr
 func accountCreate(ctx *cli.Context) error {
 	cfg := gethConfig{Node: defaultNodeConfig()}
 	// Load config file.
-	if file := ctx.GlobalString(configFileFlag.Name); file != "" {
+	if file := ctx.String(configFileFlag.Name); file != "" {
 		if err := loadConfig(file, &cfg); err != nil {
 			utils.Fatalf("%v", err)
 		}
@@ -300,13 +297,13 @@ func accountCreate(ctx *cli.Context) error {
 // accountUpdate transitions an account from a previous format to the current
 // one, also providing the possibility to change the pass-phrase.
 func accountUpdate(ctx *cli.Context) error {
-	if len(ctx.Args()) == 0 {
+	if ctx.Args().Len() == 0 {
 		utils.Fatalf("No accounts specified to update")
 	}
 	stack, _ := makeConfigNode(ctx)
 	ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
 
-	for _, addr := range ctx.Args() {
+	for _, addr := range ctx.Args().Slice() {
 		account, oldPassword := unlockAccount(ks, addr, 0, nil)
 		newPassword := utils.GetPassPhraseWithList("Please give a new password. Do not forget this password.", true, 0, nil)
 		if err := ks.Update(account, oldPassword, newPassword); err != nil {
@@ -317,10 +314,10 @@ func accountUpdate(ctx *cli.Context) error {
 }
 
 func importWallet(ctx *cli.Context) error {
-	keyfile := ctx.Args().First()
-	if len(keyfile) == 0 {
-		utils.Fatalf("keyfile must be given as argument")
+	if ctx.Args().Len() != 1 {
+		utils.Fatalf("keyfile must be given as the only argument")
 	}
+	keyfile := ctx.Args().First()
 	keyJSON, err := os.ReadFile(keyfile)
 	if err != nil {
 		utils.Fatalf("Could not read wallet file: %v", err)
@@ -339,10 +336,10 @@ func importWallet(ctx *cli.Context) error {
 }
 
 func accountImport(ctx *cli.Context) error {
-	keyfile := ctx.Args().First()
-	if len(keyfile) == 0 {
-		utils.Fatalf("keyfile must be given as argument")
+	if ctx.Args().Len() != 1 {
+		utils.Fatalf("keyfile must be given as the only argument")
 	}
+	keyfile := ctx.Args().First()
 	key, err := crypto.LoadECDSA(keyfile)
 	if err != nil {
 		utils.Fatalf("Failed to load the private key: %v", err)

cmd/geth/accountcmd_test.go

@@ -49,20 +49,27 @@ func TestAccountListEmpty(t *testing.T) {
 
 func TestAccountList(t *testing.T) {
 	datadir := tmpDatadirWithKeystore(t)
-	geth := runGeth(t, "account", "list", "--datadir", datadir)
-	defer geth.ExpectExit()
-	if runtime.GOOS == "windows" {
-		geth.Expect(`
-Account #0: {7ef5a6135f1fd6a02593eedc869c6d41d934aef8} keystore://{{.Datadir}}\keystore\UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8
-Account #1: {f466859ead1932d743d622cb74fc058882e8648a} keystore://{{.Datadir}}\keystore\aaa
-Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}\keystore\zzz
-`)
-	} else {
-		geth.Expect(`
+	var want = `
 Account #0: {7ef5a6135f1fd6a02593eedc869c6d41d934aef8} keystore://{{.Datadir}}/keystore/UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8
 Account #1: {f466859ead1932d743d622cb74fc058882e8648a} keystore://{{.Datadir}}/keystore/aaa
 Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}/keystore/zzz
-`)
+`
+	if runtime.GOOS == "windows" {
+		want = `
+Account #0: {7ef5a6135f1fd6a02593eedc869c6d41d934aef8} keystore://{{.Datadir}}\keystore\UTC--2016-03-22T12-57-55.920751759Z--7ef5a6135f1fd6a02593eedc869c6d41d934aef8
+Account #1: {f466859ead1932d743d622cb74fc058882e8648a} keystore://{{.Datadir}}\keystore\aaa
+Account #2: {289d485d9771714cce91d3393d764e1311907acc} keystore://{{.Datadir}}\keystore\zzz
+`
+	}
+	{
+		geth := runGeth(t, "account", "list", "--datadir", datadir)
+		geth.Expect(want)
+		geth.ExpectExit()
+	}
+	{
+		geth := runGeth(t, "--datadir", datadir, "account", "list")
+		geth.Expect(want)
+		geth.ExpectExit()
 	}
 }
 
@@ -110,6 +117,20 @@ func TestAccountImport(t *testing.T) {
 	}
 }
 
+func TestAccountHelp(t *testing.T) {
+	geth := runGeth(t, "account", "-h")
+	geth.WaitExit()
+	if have, want := geth.ExitStatus(), 0; have != want {
+		t.Errorf("exit error, have %d want %d", have, want)
+	}
+
+	geth = runGeth(t, "account", "import", "-h")
+	geth.WaitExit()
+	if have, want := geth.ExitStatus(), 0; have != want {
+		t.Errorf("exit error, have %d want %d", have, want)
+	}
+}
+
 func importAccountWithExpect(t *testing.T, key string, expected string) {
 	dir := t.TempDir()
 	keyfile := filepath.Join(dir, "key.prv")
@@ -120,7 +141,7 @@ func importAccountWithExpect(t *testing.T, key string, expected string) {
 	if err := os.WriteFile(passwordFile, []byte("foobar"), 0600); err != nil {
 		t.Error(err)
 	}
-	geth := runGeth(t, "--lightkdf", "account", "import", keyfile, "-password", passwordFile)
+	geth := runGeth(t, "--lightkdf", "account", "import", "-password", passwordFile, keyfile)
 	defer geth.ExpectExit()
 	geth.Expect(expected)
 }
@@ -180,11 +201,12 @@ Fatal: could not decrypt key with given password
 
 func TestUnlockFlag(t *testing.T) {
 	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
-		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "js", "testdata/empty.js")
+		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "console", "--exec", "loadScript('testdata/empty.js')")
 	geth.Expect(`
 Unlocking account f466859ead1932d743d622cb74fc058882e8648a | Attempt 1/3
 !! Unsupported terminal, password will be echoed.
 Password: {{.InputLine "foobar"}}
+undefined
 `)
 	geth.ExpectExit()
 
@@ -201,7 +223,7 @@ Password: {{.InputLine "foobar"}}
 
 func TestUnlockFlagWrongPassword(t *testing.T) {
 	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
-		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "js", "testdata/empty.js")
+		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "console", "--exec", "loadScript('testdata/empty.js')")
 
 	defer geth.ExpectExit()
 	geth.Expect(`
@@ -219,7 +241,7 @@ Fatal: Failed to unlock account f466859ead1932d743d622cb74fc058882e8648a (could
 // https://github.com/ethereum/go-ethereum/issues/1785
 func TestUnlockFlagMultiIndex(t *testing.T) {
 	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
-		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "--unlock", "0,2", "js", "testdata/empty.js")
+		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "--unlock", "0,2", "console", "--exec", "loadScript('testdata/empty.js')")
 
 	geth.Expect(`
 Unlocking account 0 | Attempt 1/3
@@ -227,6 +249,7 @@ Unlocking account 0 | Attempt 1/3
 Password: {{.InputLine "foobar"}}
 Unlocking account 2 | Attempt 1/3
 Password: {{.InputLine "foobar"}}
+undefined
 `)
 	geth.ExpectExit()
 
@@ -244,8 +267,11 @@ Password: {{.InputLine "foobar"}}
 
 func TestUnlockFlagPasswordFile(t *testing.T) {
 	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
-		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "--password", "testdata/passwords.txt", "--unlock", "0,2", "js", "testdata/empty.js")
+		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "--password", "testdata/passwords.txt", "--unlock", "0,2", "console", "--exec", "loadScript('testdata/empty.js')")
 
+	geth.Expect(`
+undefined
+`)
 	geth.ExpectExit()
 
 	wantMessages := []string{
@@ -275,7 +301,7 @@ func TestUnlockFlagAmbiguous(t *testing.T) {
 	geth := runMinimalGeth(t, "--port", "0", "--ipcdisable", "--datadir", tmpDatadirWithKeystore(t),
 		"--unlock", "f466859ead1932d743d622cb74fc058882e8648a", "--keystore",
 		store, "--unlock", "f466859ead1932d743d622cb74fc058882e8648a",
-		"js", "testdata/empty.js")
+		"console", "--exec", "loadScript('testdata/empty.js')")
 	defer geth.ExpectExit()
 
 	// Helper for the expect template, returns absolute keystore path.
@@ -294,6 +320,7 @@ Testing your password against all of them...
 Your password unlocked keystore://{{keypath "1"}}
 In order to avoid this warning, you need to remove the following duplicate key files:
    keystore://{{keypath "2"}}
+undefined
 `)
 	geth.ExpectExit()
 

cmd/geth/chaincmd.go

@@ -35,20 +35,20 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/node"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	initCommand = cli.Command{
-		Action:    utils.MigrateFlags(initGenesis),
+	initCommand = &cli.Command{
+		Action:    initGenesis,
 		Name:      "init",
 		Usage:     "Bootstrap and initialize a new genesis block",
 		ArgsUsage: "<genesisPath>",
 		Flags:     utils.DatabasePathFlags,
-		Category:  "BLOCKCHAIN COMMANDS",
 		Description: `
 The init command initializes a new genesis block and definition for the network.
 This is a destructive action and changes the network in which you will be
@@ -56,22 +56,21 @@ participating.
 
 It expects the genesis file as argument.`,
 	}
-	dumpGenesisCommand = cli.Command{
-		Action:    utils.MigrateFlags(dumpGenesis),
+	dumpGenesisCommand = &cli.Command{
+		Action:    dumpGenesis,
 		Name:      "dumpgenesis",
 		Usage:     "Dumps genesis block JSON configuration to stdout",
 		ArgsUsage: "",
 		Flags:     utils.NetworkFlags,
-		Category:  "BLOCKCHAIN COMMANDS",
 		Description: `
 The dumpgenesis command dumps the genesis block configuration in JSON format to stdout.`,
 	}
-	importCommand = cli.Command{
-		Action:    utils.MigrateFlags(importChain),
+	importCommand = &cli.Command{
+		Action:    importChain,
 		Name:      "import",
 		Usage:     "Import a blockchain file",
 		ArgsUsage: "<filename> (<filename 2> ... <filename N>) ",
-		Flags: append([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.CacheFlag,
 			utils.SyncModeFlag,
 			utils.GCModeFlag,
@@ -93,8 +92,7 @@ The dumpgenesis command dumps the genesis block configuration in JSON format to
 			utils.MetricsInfluxDBBucketFlag,
 			utils.MetricsInfluxDBOrganizationFlag,
 			utils.TxLookupLimitFlag,
-		}, utils.DatabasePathFlags...),
-		Category: "BLOCKCHAIN COMMANDS",
+		}, utils.DatabasePathFlags),
 		Description: `
 The import command imports blocks from an RLP-encoded form. The form can be one file
 with several RLP-encoded blocks, or several files can be used.
@@ -102,16 +100,15 @@ with several RLP-encoded blocks, or several files can be used.
 If only one file is used, import error will result in failure. If several files are used,
 processing will proceed even if an individual RLP-file import failure occurs.`,
 	}
-	exportCommand = cli.Command{
-		Action:    utils.MigrateFlags(exportChain),
+	exportCommand = &cli.Command{
+		Action:    exportChain,
 		Name:      "export",
 		Usage:     "Export blockchain into file",
 		ArgsUsage: "<filename> [<blockNumFirst> <blockNumLast>]",
-		Flags: append([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.CacheFlag,
 			utils.SyncModeFlag,
-		}, utils.DatabasePathFlags...),
-		Category: "BLOCKCHAIN COMMANDS",
+		}, utils.DatabasePathFlags),
 		Description: `
 Requires a first argument of the file to write to.
 Optional second and third arguments control the first and
@@ -119,42 +116,40 @@ last block to write. In this mode, the file will be appended
 if already existing. If the file ends with .gz, the output will
 be gzipped.`,
 	}
-	importPreimagesCommand = cli.Command{
-		Action:    utils.MigrateFlags(importPreimages),
+	importPreimagesCommand = &cli.Command{
+		Action:    importPreimages,
 		Name:      "import-preimages",
 		Usage:     "Import the preimage database from an RLP stream",
 		ArgsUsage: "<datafile>",
-		Flags: append([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.CacheFlag,
 			utils.SyncModeFlag,
-		}, utils.DatabasePathFlags...),
-		Category: "BLOCKCHAIN COMMANDS",
+		}, utils.DatabasePathFlags),
 		Description: `
 The import-preimages command imports hash preimages from an RLP encoded stream.
 It's deprecated, please use "geth db import" instead.
 `,
 	}
-	exportPreimagesCommand = cli.Command{
-		Action:    utils.MigrateFlags(exportPreimages),
+	exportPreimagesCommand = &cli.Command{
+		Action:    exportPreimages,
 		Name:      "export-preimages",
 		Usage:     "Export the preimage database into an RLP stream",
 		ArgsUsage: "<dumpfile>",
-		Flags: append([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.CacheFlag,
 			utils.SyncModeFlag,
-		}, utils.DatabasePathFlags...),
-		Category: "BLOCKCHAIN COMMANDS",
+		}, utils.DatabasePathFlags),
 		Description: `
 The export-preimages command exports hash preimages to an RLP encoded stream.
 It's deprecated, please use "geth db export" instead.
 `,
 	}
-	dumpCommand = cli.Command{
-		Action:    utils.MigrateFlags(dump),
+	dumpCommand = &cli.Command{
+		Action:    dump,
 		Name:      "dump",
 		Usage:     "Dump a specific block from storage",
 		ArgsUsage: "[? <blockHash> | <blockNum>]",
-		Flags: append([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.CacheFlag,
 			utils.IterativeOutputFlag,
 			utils.ExcludeCodeFlag,
@@ -162,8 +157,7 @@ It's deprecated, please use "geth db export" instead.
 			utils.IncludeIncompletesFlag,
 			utils.StartKeyFlag,
 			utils.DumpLimitFlag,
-		}, utils.DatabasePathFlags...),
-		Category: "BLOCKCHAIN COMMANDS",
+		}, utils.DatabasePathFlags),
 		Description: `
 This command dumps out the state for a given block (or latest, if none provided).
 `,
@@ -173,10 +167,12 @@ This command dumps out the state for a given block (or latest, if none provided)
 // initGenesis will initialise the given JSON format genesis file and writes it as
 // the zero'd block (i.e. genesis) or will fail hard if it can't succeed.
 func initGenesis(ctx *cli.Context) error {
-	// Make sure we have a valid genesis JSON
+	if ctx.Args().Len() != 1 {
+		utils.Fatalf("need genesis.json file as the only argument")
+	}
 	genesisPath := ctx.Args().First()
 	if len(genesisPath) == 0 {
-		utils.Fatalf("Must supply path to genesis JSON file")
+		utils.Fatalf("invalid path to genesis file")
 	}
 	file, err := os.Open(genesisPath)
 	if err != nil {
@@ -192,7 +188,7 @@ func initGenesis(ctx *cli.Context) error {
 	stack, _ := makeConfigNode(ctx)
 	defer stack.Close()
 	for _, name := range []string{"chaindata", "lightchaindata"} {
-		chaindb, err := stack.OpenDatabaseWithFreezer(name, 0, 0, ctx.GlobalString(utils.AncientFlag.Name), "", false, ctx.GlobalBool(utils.AncientPruneFlag.Name))
+		chaindb, err := stack.OpenDatabaseWithFreezer(name, 0, 0, ctx.String(utils.AncientFlag.Name), "", false, ctx.Bool(utils.AncientPruneFlag.Name))
 		if err != nil {
 			utils.Fatalf("Failed to open database: %v", err)
 		}
@@ -219,7 +215,7 @@ func dumpGenesis(ctx *cli.Context) error {
 }
 
 func importChain(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.Args().Len() < 1 {
 		utils.Fatalf("This command requires an argument.")
 	}
 	// Start metrics export if enabled
@@ -253,13 +249,13 @@ func importChain(ctx *cli.Context) error {
 
 	var importErr error
 
-	if len(ctx.Args()) == 1 {
+	if ctx.Args().Len() == 1 {
 		if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
 			importErr = err
 			log.Error("Import error", "err", err)
 		}
 	} else {
-		for _, arg := range ctx.Args() {
+		for _, arg := range ctx.Args().Slice() {
 			if err := utils.ImportChain(chain, arg); err != nil {
 				importErr = err
 				log.Error("Import error", "file", arg, "err", err)
@@ -281,7 +277,7 @@ func importChain(ctx *cli.Context) error {
 	fmt.Printf("Allocations:   %.3f million\n", float64(mem.Mallocs)/1000000)
 	fmt.Printf("GC pause:      %v\n\n", time.Duration(mem.PauseTotalNs))
 
-	if ctx.GlobalBool(utils.NoCompactionFlag.Name) {
+	if ctx.Bool(utils.NoCompactionFlag.Name) {
 		return nil
 	}
 
@@ -298,7 +294,7 @@ func importChain(ctx *cli.Context) error {
 }
 
 func exportChain(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.Args().Len() < 1 {
 		utils.Fatalf("This command requires an argument.")
 	}
 
@@ -310,7 +306,7 @@ func exportChain(ctx *cli.Context) error {
 
 	var err error
 	fp := ctx.Args().First()
-	if len(ctx.Args()) < 3 {
+	if ctx.Args().Len() < 3 {
 		err = utils.ExportChain(chain, fp)
 	} else {
 		// This can be improved to allow for numbers larger than 9223372036854775807
@@ -337,7 +333,7 @@ func exportChain(ctx *cli.Context) error {
 
 // importPreimages imports preimage data from the specified file.
 func importPreimages(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.Args().Len() < 1 {
 		utils.Fatalf("This command requires an argument.")
 	}
 
@@ -356,7 +352,7 @@ func importPreimages(ctx *cli.Context) error {
 
 // exportPreimages dumps the preimage data to specified json file in streaming way.
 func exportPreimages(ctx *cli.Context) error {
-	if len(ctx.Args()) < 1 {
+	if ctx.Args().Len() < 1 {
 		utils.Fatalf("This command requires an argument.")
 	}
 	stack, _ := makeConfigNode(ctx)

cmd/geth/config.go

@@ -25,7 +25,7 @@ import (
 	"reflect"
 	"unicode"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 
 	"github.com/ethereum/go-ethereum/accounts/external"
 	"github.com/ethereum/go-ethereum/accounts/keystore"
@@ -35,6 +35,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/rawdb"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"github.com/ethereum/go-ethereum/internal/ethapi"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/metrics"
 	"github.com/ethereum/go-ethereum/node"
@@ -43,19 +44,19 @@ import (
 )
 
 var (
-	dumpConfigCommand = cli.Command{
-		Action:      utils.MigrateFlags(dumpConfig),
+	dumpConfigCommand = &cli.Command{
+		Action:      dumpConfig,
 		Name:        "dumpconfig",
 		Usage:       "Show configuration values",
 		ArgsUsage:   "",
-		Flags:       utils.GroupFlags(nodeFlags, rpcFlags),
-		Category:    "MISCELLANEOUS COMMANDS",
+		Flags:       flags.Merge(nodeFlags, rpcFlags),
 		Description: `The dumpconfig command shows configuration values.`,
 	}
 
-	configFileFlag = cli.StringFlag{
-		Name:  "config",
-		Usage: "TOML configuration file",
+	configFileFlag = &cli.StringFlag{
+		Name:     "config",
+		Usage:    "TOML configuration file",
+		Category: flags.EthCategory,
 	}
 )
 
@@ -127,7 +128,7 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 	}
 
 	// Load config file.
-	if file := ctx.GlobalString(configFileFlag.Name); file != "" {
+	if file := ctx.String(configFileFlag.Name); file != "" {
 		if err := loadConfig(file, &cfg); err != nil {
 			utils.Fatalf("%v", err)
 		}
@@ -145,8 +146,8 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 	}
 
 	utils.SetEthConfig(ctx, stack, &cfg.Eth)
-	if ctx.GlobalIsSet(utils.EthStatsURLFlag.Name) {
-		cfg.Ethstats.URL = ctx.GlobalString(utils.EthStatsURLFlag.Name)
+	if ctx.IsSet(utils.EthStatsURLFlag.Name) {
+		cfg.Ethstats.URL = ctx.String(utils.EthStatsURLFlag.Name)
 	}
 	applyMetricConfig(ctx, &cfg)
 
@@ -156,15 +157,15 @@ func makeConfigNode(ctx *cli.Context) (*node.Node, gethConfig) {
 // makeFullNode loads geth configuration and creates the Ethereum backend.
 func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 	stack, cfg := makeConfigNode(ctx)
-	if ctx.GlobalIsSet(utils.OverrideGrayGlacierFlag.Name) {
-		cfg.Eth.OverrideGrayGlacier = new(big.Int).SetUint64(ctx.GlobalUint64(utils.OverrideGrayGlacierFlag.Name))
+	if ctx.IsSet(utils.OverrideGrayGlacierFlag.Name) {
+		cfg.Eth.OverrideGrayGlacier = new(big.Int).SetUint64(ctx.Uint64(utils.OverrideGrayGlacierFlag.Name))
 	}
-	if ctx.GlobalIsSet(utils.OverrideTerminalTotalDifficulty.Name) {
-		cfg.Eth.OverrideTerminalTotalDifficulty = utils.GlobalBig(ctx, utils.OverrideTerminalTotalDifficulty.Name)
+	if ctx.IsSet(utils.OverrideTerminalTotalDifficulty.Name) {
+		cfg.Eth.OverrideTerminalTotalDifficulty = flags.GlobalBig(ctx, utils.OverrideTerminalTotalDifficulty.Name)
 	}
 	backend, eth := utils.RegisterEthService(stack, &cfg.Eth)
 	// Warn users to migrate if they have a legacy freezer format.
-	if eth != nil && !ctx.GlobalIsSet(utils.IgnoreLegacyReceiptsFlag.Name) {
+	if eth != nil && !ctx.IsSet(utils.IgnoreLegacyReceiptsFlag.Name) {
 		firstIdx := uint64(0)
 		// Hack to speed up check for mainnet because we know
 		// the first non-empty block.
@@ -182,7 +183,7 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 	}
 
 	// Configure GraphQL if requested
-	if ctx.GlobalIsSet(utils.GraphQLEnabledFlag.Name) {
+	if ctx.IsSet(utils.GraphQLEnabledFlag.Name) {
 		utils.RegisterGraphQLService(stack, backend, cfg.Node)
 	}
 	// Add the Ethereum Stats daemon if requested.
@@ -222,47 +223,47 @@ func dumpConfig(ctx *cli.Context) error {
 }
 
 func applyMetricConfig(ctx *cli.Context, cfg *gethConfig) {
-	if ctx.GlobalIsSet(utils.MetricsEnabledFlag.Name) {
-		cfg.Metrics.Enabled = ctx.GlobalBool(utils.MetricsEnabledFlag.Name)
+	if ctx.IsSet(utils.MetricsEnabledFlag.Name) {
+		cfg.Metrics.Enabled = ctx.Bool(utils.MetricsEnabledFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsEnabledExpensiveFlag.Name) {
-		cfg.Metrics.EnabledExpensive = ctx.GlobalBool(utils.MetricsEnabledExpensiveFlag.Name)
+	if ctx.IsSet(utils.MetricsEnabledExpensiveFlag.Name) {
+		cfg.Metrics.EnabledExpensive = ctx.Bool(utils.MetricsEnabledExpensiveFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsHTTPFlag.Name) {
-		cfg.Metrics.HTTP = ctx.GlobalString(utils.MetricsHTTPFlag.Name)
+	if ctx.IsSet(utils.MetricsHTTPFlag.Name) {
+		cfg.Metrics.HTTP = ctx.String(utils.MetricsHTTPFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsPortFlag.Name) {
-		cfg.Metrics.Port = ctx.GlobalInt(utils.MetricsPortFlag.Name)
+	if ctx.IsSet(utils.MetricsPortFlag.Name) {
+		cfg.Metrics.Port = ctx.Int(utils.MetricsPortFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsEnableInfluxDBFlag.Name) {
-		cfg.Metrics.EnableInfluxDB = ctx.GlobalBool(utils.MetricsEnableInfluxDBFlag.Name)
+	if ctx.IsSet(utils.MetricsEnableInfluxDBFlag.Name) {
+		cfg.Metrics.EnableInfluxDB = ctx.Bool(utils.MetricsEnableInfluxDBFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBEndpointFlag.Name) {
-		cfg.Metrics.InfluxDBEndpoint = ctx.GlobalString(utils.MetricsInfluxDBEndpointFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBEndpointFlag.Name) {
+		cfg.Metrics.InfluxDBEndpoint = ctx.String(utils.MetricsInfluxDBEndpointFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBDatabaseFlag.Name) {
-		cfg.Metrics.InfluxDBDatabase = ctx.GlobalString(utils.MetricsInfluxDBDatabaseFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBDatabaseFlag.Name) {
+		cfg.Metrics.InfluxDBDatabase = ctx.String(utils.MetricsInfluxDBDatabaseFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBUsernameFlag.Name) {
-		cfg.Metrics.InfluxDBUsername = ctx.GlobalString(utils.MetricsInfluxDBUsernameFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBUsernameFlag.Name) {
+		cfg.Metrics.InfluxDBUsername = ctx.String(utils.MetricsInfluxDBUsernameFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBPasswordFlag.Name) {
-		cfg.Metrics.InfluxDBPassword = ctx.GlobalString(utils.MetricsInfluxDBPasswordFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBPasswordFlag.Name) {
+		cfg.Metrics.InfluxDBPassword = ctx.String(utils.MetricsInfluxDBPasswordFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBTagsFlag.Name) {
-		cfg.Metrics.InfluxDBTags = ctx.GlobalString(utils.MetricsInfluxDBTagsFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBTagsFlag.Name) {
+		cfg.Metrics.InfluxDBTags = ctx.String(utils.MetricsInfluxDBTagsFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsEnableInfluxDBV2Flag.Name) {
-		cfg.Metrics.EnableInfluxDBV2 = ctx.GlobalBool(utils.MetricsEnableInfluxDBV2Flag.Name)
+	if ctx.IsSet(utils.MetricsEnableInfluxDBV2Flag.Name) {
+		cfg.Metrics.EnableInfluxDBV2 = ctx.Bool(utils.MetricsEnableInfluxDBV2Flag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBTokenFlag.Name) {
-		cfg.Metrics.InfluxDBToken = ctx.GlobalString(utils.MetricsInfluxDBTokenFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBTokenFlag.Name) {
+		cfg.Metrics.InfluxDBToken = ctx.String(utils.MetricsInfluxDBTokenFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBBucketFlag.Name) {
-		cfg.Metrics.InfluxDBBucket = ctx.GlobalString(utils.MetricsInfluxDBBucketFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBBucketFlag.Name) {
+		cfg.Metrics.InfluxDBBucket = ctx.String(utils.MetricsInfluxDBBucketFlag.Name)
 	}
-	if ctx.GlobalIsSet(utils.MetricsInfluxDBOrganizationFlag.Name) {
-		cfg.Metrics.InfluxDBOrganization = ctx.GlobalString(utils.MetricsInfluxDBOrganizationFlag.Name)
+	if ctx.IsSet(utils.MetricsInfluxDBOrganizationFlag.Name) {
+		cfg.Metrics.InfluxDBOrganization = ctx.String(utils.MetricsInfluxDBOrganizationFlag.Name)
 	}
 }
 

cmd/geth/consolecmd.go

@@ -18,39 +18,36 @@ package main
 
 import (
 	"fmt"
-	"path/filepath"
 	"strings"
 
 	"github.com/ethereum/go-ethereum/cmd/utils"
-	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/console"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
 	consoleFlags = []cli.Flag{utils.JSpathFlag, utils.ExecFlag, utils.PreloadJSFlag}
 
-	consoleCommand = cli.Command{
-		Action:   utils.MigrateFlags(localConsole),
-		Name:     "console",
-		Usage:    "Start an interactive JavaScript environment",
-		Flags:    utils.GroupFlags(nodeFlags, rpcFlags, consoleFlags),
-		Category: "CONSOLE COMMANDS",
+	consoleCommand = &cli.Command{
+		Action: localConsole,
+		Name:   "console",
+		Usage:  "Start an interactive JavaScript environment",
+		Flags:  flags.Merge(nodeFlags, rpcFlags, consoleFlags),
 		Description: `
 The Geth console is an interactive shell for the JavaScript runtime environment
 which exposes a node admin interface as well as the Ðapp JavaScript API.
 See https://geth.ethereum.org/docs/interface/javascript-console.`,
 	}
 
-	attachCommand = cli.Command{
-		Action:    utils.MigrateFlags(remoteConsole),
+	attachCommand = &cli.Command{
+		Action:    remoteConsole,
 		Name:      "attach",
 		Usage:     "Start an interactive JavaScript environment (connect to node)",
 		ArgsUsage: "[endpoint]",
-		Flags:     utils.GroupFlags([]cli.Flag{utils.DataDirFlag}, consoleFlags),
-		Category:  "CONSOLE COMMANDS",
+		Flags:     flags.Merge([]cli.Flag{utils.DataDirFlag}, consoleFlags),
 		Description: `
 The Geth console is an interactive shell for the JavaScript runtime environment
 which exposes a node admin interface as well as the Ðapp JavaScript API.
@@ -58,13 +55,12 @@ See https://geth.ethereum.org/docs/interface/javascript-console.
 This command allows to open a console on a running geth node.`,
 	}
 
-	javascriptCommand = cli.Command{
-		Action:    utils.MigrateFlags(ephemeralConsole),
+	javascriptCommand = &cli.Command{
+		Action:    ephemeralConsole,
 		Name:      "js",
-		Usage:     "Execute the specified JavaScript files",
+		Usage:     "(DEPRECATED) Execute the specified JavaScript files",
 		ArgsUsage: "<jsfile> [jsfile...]",
-		Flags:     utils.GroupFlags(nodeFlags, consoleFlags),
-		Category:  "CONSOLE COMMANDS",
+		Flags:     flags.Merge(nodeFlags, consoleFlags),
 		Description: `
 The JavaScript VM exposes a node admin interface as well as the Ðapp
 JavaScript API. See https://geth.ethereum.org/docs/interface/javascript-console`,
@@ -87,7 +83,7 @@ func localConsole(ctx *cli.Context) error {
 	}
 	config := console.Config{
 		DataDir: utils.MakeDataDir(ctx),
-		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
+		DocRoot: ctx.String(utils.JSpathFlag.Name),
 		Client:  client,
 		Preload: utils.MakeConsolePreloads(ctx),
 	}
@@ -98,7 +94,7 @@ func localConsole(ctx *cli.Context) error {
 	defer console.Stop(false)
 
 	// If only a short execution was requested, evaluate and return.
-	if script := ctx.GlobalString(utils.ExecFlag.Name); script != "" {
+	if script := ctx.String(utils.ExecFlag.Name); script != "" {
 		console.Evaluate(script)
 		return nil
 	}
@@ -119,33 +115,15 @@ func localConsole(ctx *cli.Context) error {
 // remoteConsole will connect to a remote geth instance, attaching a JavaScript
 // console to it.
 func remoteConsole(ctx *cli.Context) error {
+	if ctx.Args().Len() > 1 {
+		utils.Fatalf("invalid command-line: too many arguments")
+	}
+
 	endpoint := ctx.Args().First()
 	if endpoint == "" {
-		path := node.DefaultDataDir()
-		if ctx.GlobalIsSet(utils.DataDirFlag.Name) {
-			path = ctx.GlobalString(utils.DataDirFlag.Name)
-		}
-		if path != "" {
-			if ctx.GlobalBool(utils.RopstenFlag.Name) {
-				// Maintain compatibility with older Geth configurations storing the
-				// Ropsten database in `testnet` instead of `ropsten`.
-				legacyPath := filepath.Join(path, "testnet")
-				if common.FileExist(legacyPath) {
-					path = legacyPath
-				} else {
-					path = filepath.Join(path, "ropsten")
-				}
-			} else if ctx.GlobalBool(utils.RinkebyFlag.Name) {
-				path = filepath.Join(path, "rinkeby")
-			} else if ctx.GlobalBool(utils.GoerliFlag.Name) {
-				path = filepath.Join(path, "goerli")
-			} else if ctx.GlobalBool(utils.SepoliaFlag.Name) {
-				path = filepath.Join(path, "sepolia")
-			} else if ctx.GlobalBool(utils.KilnFlag.Name) {
-				path = filepath.Join(path, "kiln")
-			}
-		}
-		endpoint = fmt.Sprintf("%s/geth.ipc", path)
+		cfg := defaultNodeConfig()
+		utils.SetDataDir(ctx, &cfg)
+		endpoint = cfg.IPCEndpoint()
 	}
 	client, err := dialRPC(endpoint)
 	if err != nil {
@@ -153,7 +131,7 @@ func remoteConsole(ctx *cli.Context) error {
 	}
 	config := console.Config{
 		DataDir: utils.MakeDataDir(ctx),
-		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
+		DocRoot: ctx.String(utils.JSpathFlag.Name),
 		Client:  client,
 		Preload: utils.MakeConsolePreloads(ctx),
 	}
@@ -163,7 +141,7 @@ func remoteConsole(ctx *cli.Context) error {
 	}
 	defer console.Stop(false)
 
-	if script := ctx.GlobalString(utils.ExecFlag.Name); script != "" {
+	if script := ctx.String(utils.ExecFlag.Name); script != "" {
 		console.Evaluate(script)
 		return nil
 	}
@@ -174,6 +152,19 @@ func remoteConsole(ctx *cli.Context) error {
 	return nil
 }
 
+// ephemeralConsole starts a new geth node, attaches an ephemeral JavaScript
+// console to it, executes each of the files specified as arguments and tears
+// everything down.
+func ephemeralConsole(ctx *cli.Context) error {
+	var b strings.Builder
+	for _, file := range ctx.Args().Slice() {
+		b.Write([]byte(fmt.Sprintf("loadScript('%s');", file)))
+	}
+	utils.Fatalf(`The "js" command is deprecated. Please use the following instead:
+geth --exec "%s" console`, b.String())
+	return nil
+}
+
 // dialRPC returns a RPC client which connects to the given endpoint.
 // The check for empty endpoint implements the defaulting logic
 // for "geth attach" with no argument.
@@ -187,48 +178,3 @@ func dialRPC(endpoint string) (*rpc.Client, error) {
 	}
 	return rpc.Dial(endpoint)
 }
-
-// ephemeralConsole starts a new geth node, attaches an ephemeral JavaScript
-// console to it, executes each of the files specified as arguments and tears
-// everything down.
-func ephemeralConsole(ctx *cli.Context) error {
-	// Create and start the node based on the CLI flags
-	stack, backend := makeFullNode(ctx)
-	startNode(ctx, stack, backend, false)
-	defer stack.Close()
-
-	// Attach to the newly started node and start the JavaScript console
-	client, err := stack.Attach()
-	if err != nil {
-		return fmt.Errorf("Failed to attach to the inproc geth: %v", err)
-	}
-	config := console.Config{
-		DataDir: utils.MakeDataDir(ctx),
-		DocRoot: ctx.GlobalString(utils.JSpathFlag.Name),
-		Client:  client,
-		Preload: utils.MakeConsolePreloads(ctx),
-	}
-
-	console, err := console.New(config)
-	if err != nil {
-		return fmt.Errorf("Failed to start the JavaScript console: %v", err)
-	}
-	defer console.Stop(false)
-
-	// Interrupt the JS interpreter when node is stopped.
-	go func() {
-		stack.Wait()
-		console.Stop(false)
-	}()
-
-	// Evaluate each of the specified JavaScript files.
-	for _, file := range ctx.Args() {
-		if err = console.Execute(file); err != nil {
-			return fmt.Errorf("Failed to execute %s: %v", file, err)
-		}
-	}
-
-	// The main script is now done, but keep running timers/callbacks.
-	console.Stop(true)
-	return nil
-}

cmd/geth/consolecmd_test.go

@@ -41,7 +41,7 @@ func runMinimalGeth(t *testing.T, args ...string) *testgeth {
 	// --ropsten to make the 'writing genesis to disk' faster (no accounts)
 	// --networkid=1337 to avoid cache bump
 	// --syncmode=full to avoid allocating fast sync bloom
-	allArgs := []string{"--ropsten", "--networkid", "1337", "--syncmode=full", "--port", "0",
+	allArgs := []string{"--ropsten", "--networkid", "1337", "--authrpc.port", "0", "--syncmode=full", "--port", "0",
 		"--nat", "none", "--nodiscover", "--maxpeers", "0", "--cache", "64",
 		"--datadir.minfreedisk", "0"}
 	return runGeth(t, append(allArgs, args...)...)

cmd/geth/dbcmd.go

@@ -37,29 +37,28 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/olekukonko/tablewriter"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	removedbCommand = cli.Command{
-		Action:    utils.MigrateFlags(removeDB),
+	removedbCommand = &cli.Command{
+		Action:    removeDB,
 		Name:      "removedb",
 		Usage:     "Remove blockchain and state databases",
 		ArgsUsage: "",
 		Flags:     utils.DatabasePathFlags,
-		Category:  "DATABASE COMMANDS",
 		Description: `
 Remove blockchain and state databases`,
 	}
-	dbCommand = cli.Command{
+	dbCommand = &cli.Command{
 		Name:      "db",
 		Usage:     "Low level database operations",
 		ArgsUsage: "",
-		Category:  "DATABASE COMMANDS",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			dbInspectCmd,
 			dbStatCmd,
 			dbCompactCmd,
@@ -75,39 +74,39 @@ Remove blockchain and state databases`,
 			dbCheckStateContentCmd,
 		},
 	}
-	dbInspectCmd = cli.Command{
-		Action:    utils.MigrateFlags(inspect),
+	dbInspectCmd = &cli.Command{
+		Action:    inspect,
 		Name:      "inspect",
 		ArgsUsage: "<prefix> <start>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Usage:       "Inspect the storage size for each type of data in the database",
 		Description: `This commands iterates the entire database. If the optional 'prefix' and 'start' arguments are provided, then the iteration is limited to the given subset of data.`,
 	}
-	dbCheckStateContentCmd = cli.Command{
-		Action:    utils.MigrateFlags(checkStateContent),
+	dbCheckStateContentCmd = &cli.Command{
+		Action:    checkStateContent,
 		Name:      "check-state-content",
 		ArgsUsage: "<start (optional)>",
-		Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+		Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 		Usage:     "Verify that state data is cryptographically correct",
 		Description: `This command iterates the entire database for 32-byte keys, looking for rlp-encoded trie nodes.
 For each trie node encountered, it checks that the key corresponds to the keccak256(value). If this is not true, this indicates
 a data corruption.`,
 	}
-	dbStatCmd = cli.Command{
-		Action: utils.MigrateFlags(dbStats),
+	dbStatCmd = &cli.Command{
+		Action: dbStats,
 		Name:   "stats",
 		Usage:  "Print leveldb statistics",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 	}
-	dbCompactCmd = cli.Command{
-		Action: utils.MigrateFlags(dbCompact),
+	dbCompactCmd = &cli.Command{
+		Action: dbCompact,
 		Name:   "compact",
 		Usage:  "Compact leveldb database. WARNING: May take a very long time",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 			utils.CacheFlag,
 			utils.CacheDatabaseFlag,
@@ -116,93 +115,93 @@ a data corruption.`,
 WARNING: This operation may take a very long time to finish, and may cause database
 corruption if it is aborted during execution'!`,
 	}
-	dbGetCmd = cli.Command{
-		Action:    utils.MigrateFlags(dbGet),
+	dbGetCmd = &cli.Command{
+		Action:    dbGet,
 		Name:      "get",
 		Usage:     "Show the value of a database key",
 		ArgsUsage: "<hex-encoded key>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "This command looks up the specified database key from the database.",
 	}
-	dbDeleteCmd = cli.Command{
-		Action:    utils.MigrateFlags(dbDelete),
+	dbDeleteCmd = &cli.Command{
+		Action:    dbDelete,
 		Name:      "delete",
 		Usage:     "Delete a database key (WARNING: may corrupt your database)",
 		ArgsUsage: "<hex-encoded key>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: `This command deletes the specified database key from the database. 
 WARNING: This is a low-level operation which may cause database corruption!`,
 	}
-	dbPutCmd = cli.Command{
-		Action:    utils.MigrateFlags(dbPut),
+	dbPutCmd = &cli.Command{
+		Action:    dbPut,
 		Name:      "put",
 		Usage:     "Set the value of a database key (WARNING: may corrupt your database)",
 		ArgsUsage: "<hex-encoded key> <hex-encoded value>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: `This command sets a given database key to the given value. 
 WARNING: This is a low-level operation which may cause database corruption!`,
 	}
-	dbGetSlotsCmd = cli.Command{
-		Action:    utils.MigrateFlags(dbDumpTrie),
+	dbGetSlotsCmd = &cli.Command{
+		Action:    dbDumpTrie,
 		Name:      "dumptrie",
 		Usage:     "Show the storage key/values of a given storage trie",
 		ArgsUsage: "<hex-encoded storage trie root> <hex-encoded start (optional)> <int max elements (optional)>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "This command looks up the specified database key from the database.",
 	}
-	dbDumpFreezerIndex = cli.Command{
-		Action:    utils.MigrateFlags(freezerInspect),
+	dbDumpFreezerIndex = &cli.Command{
+		Action:    freezerInspect,
 		Name:      "freezer-index",
 		Usage:     "Dump out the index of a given freezer type",
 		ArgsUsage: "<type> <start (int)> <end (int)>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "This command displays information about the freezer index.",
 	}
-	dbImportCmd = cli.Command{
-		Action:    utils.MigrateFlags(importLDBdata),
+	dbImportCmd = &cli.Command{
+		Action:    importLDBdata,
 		Name:      "import",
 		Usage:     "Imports leveldb-data from an exported RLP dump.",
 		ArgsUsage: "<dumpfile> <start (optional)",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "The import command imports the specific chain data from an RLP encoded stream.",
 	}
-	dbExportCmd = cli.Command{
-		Action:    utils.MigrateFlags(exportChaindata),
+	dbExportCmd = &cli.Command{
+		Action:    exportChaindata,
 		Name:      "export",
 		Usage:     "Exports the chain data into an RLP dump. If the <dumpfile> has .gz suffix, gzip compression will be used.",
 		ArgsUsage: "<type> <dumpfile>",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "Exports the specified chain data to an RLP encoded stream, optionally gzip-compressed.",
 	}
-	dbMetadataCmd = cli.Command{
-		Action: utils.MigrateFlags(showMetaData),
+	dbMetadataCmd = &cli.Command{
+		Action: showMetaData,
 		Name:   "metadata",
 		Usage:  "Shows metadata about the chain status.",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: "Shows metadata about the chain status.",
 	}
-	dbMigrateFreezerCmd = cli.Command{
-		Action:    utils.MigrateFlags(freezerMigrate),
+	dbMigrateFreezerCmd = &cli.Command{
+		Action:    freezerMigrate,
 		Name:      "freezer-migrate",
 		Usage:     "Migrate legacy parts of the freezer. (WARNING: may take a long time)",
 		ArgsUsage: "",
-		Flags: utils.GroupFlags([]cli.Flag{
+		Flags: flags.Merge([]cli.Flag{
 			utils.SyncModeFlag,
 		}, utils.NetworkFlags, utils.DatabasePathFlags),
 		Description: `The freezer-migrate command checks your database for receipts in a legacy format and updates those.
@@ -339,9 +338,9 @@ func checkStateContent(ctx *cli.Context) error {
 		hasher.Read(got)
 		if !bytes.Equal(k, got) {
 			errs++
-			fmt.Printf("Error at 0x%x\n", k)
-			fmt.Printf("  Hash:  0x%x\n", got)
-			fmt.Printf("  Data:  0x%x\n", v)
+			fmt.Printf("Error at %#x\n", k)
+			fmt.Printf("  Hash:  %#x\n", got)
+			fmt.Printf("  Data:  %#x\n", v)
 		}
 		if time.Since(lastLog) > 8*time.Second {
 			log.Info("Iterating the database", "at", fmt.Sprintf("%#x", k), "elapsed", common.PrettyDuration(time.Since(startTime)))
@@ -418,7 +417,7 @@ func dbGet(ctx *cli.Context) error {
 
 	data, err := db.Get(key)
 	if err != nil {
-		log.Info("Get operation failed", "key", fmt.Sprintf("0x%#x", key), "error", err)
+		log.Info("Get operation failed", "key", fmt.Sprintf("%#x", key), "error", err)
 		return err
 	}
 	fmt.Printf("key %#x: %#x\n", key, data)
@@ -446,7 +445,7 @@ func dbDelete(ctx *cli.Context) error {
 		fmt.Printf("Previous value: %#x\n", data)
 	}
 	if err = db.Delete(key); err != nil {
-		log.Info("Delete operation returned an error", "key", fmt.Sprintf("0x%#x", key), "error", err)
+		log.Info("Delete operation returned an error", "key", fmt.Sprintf("%#x", key), "error", err)
 		return err
 	}
 	return nil
@@ -718,7 +717,7 @@ func showMetaData(ctx *cli.Context) error {
 		if val == nil {
 			return "<nil>"
 		}
-		return fmt.Sprintf("%d (0x%x)", *val, *val)
+		return fmt.Sprintf("%d (%#x)", *val, *val)
 	}
 	data := [][]string{
 		{"databaseVersion", pp(rawdb.ReadDatabaseVersion(db))},
@@ -728,7 +727,7 @@ func showMetaData(ctx *cli.Context) error {
 	if b := rawdb.ReadHeadBlock(db); b != nil {
 		data = append(data, []string{"headBlock.Hash", fmt.Sprintf("%v", b.Hash())})
 		data = append(data, []string{"headBlock.Root", fmt.Sprintf("%v", b.Root())})
-		data = append(data, []string{"headBlock.Number", fmt.Sprintf("%d (0x%x)", b.Number(), b.Number())})
+		data = append(data, []string{"headBlock.Number", fmt.Sprintf("%d (%#x)", b.Number(), b.Number())})
 	}
 	if b := rawdb.ReadSkeletonSyncStatus(db); b != nil {
 		data = append(data, []string{"SkeletonSyncStatus", string(b)})
@@ -736,7 +735,7 @@ func showMetaData(ctx *cli.Context) error {
 	if h := rawdb.ReadHeadHeader(db); h != nil {
 		data = append(data, []string{"headHeader.Hash", fmt.Sprintf("%v", h.Hash())})
 		data = append(data, []string{"headHeader.Root", fmt.Sprintf("%v", h.Root)})
-		data = append(data, []string{"headHeader.Number", fmt.Sprintf("%d (0x%x)", h.Number, h.Number)})
+		data = append(data, []string{"headHeader.Number", fmt.Sprintf("%d (%#x)", h.Number, h.Number)})
 	}
 	data = append(data, [][]string{{"frozen", fmt.Sprintf("%d items", ancients)},
 		{"lastPivotNumber", pp(rawdb.ReadLastPivotNumber(db))},

cmd/geth/genesis_test.go

@@ -83,7 +83,7 @@ func TestCustomGenesis(t *testing.T) {
 
 		// Query the custom genesis block
 		geth := runGeth(t, "--networkid", "1337", "--syncmode=full", "--cache", "16",
-			"--datadir", datadir, "--maxpeers", "0", "--port", "0",
+			"--datadir", datadir, "--maxpeers", "0", "--port", "0", "--authrpc.port", "0",
 			"--nodiscover", "--nat", "none", "--ipcdisable",
 			"--exec", tt.query, "console")
 		geth.ExpectRegexp(tt.result)

cmd/geth/les_test.go

@@ -111,7 +111,7 @@ var nextIPC = uint32(0)
 
 func startGethWithIpc(t *testing.T, name string, args ...string) *gethrpc {
 	ipcName := fmt.Sprintf("geth-%d.ipc", atomic.AddUint32(&nextIPC, 1))
-	args = append([]string{"--networkid=42", "--port=0", "--ipcpath", ipcName}, args...)
+	args = append([]string{"--networkid=42", "--port=0", "--authrpc.port", "0", "--ipcpath", ipcName}, args...)
 	t.Logf("Starting %v with rpc: %v", name, args)
 
 	g := &gethrpc{
@@ -144,7 +144,7 @@ func initGeth(t *testing.T) string {
 func startLightServer(t *testing.T) *gethrpc {
 	datadir := initGeth(t)
 	t.Logf("Importing keys to geth")
-	runGeth(t, "--datadir", datadir, "--password", "./testdata/password.txt", "account", "import", "./testdata/key.prv", "--lightkdf").WaitExit()
+	runGeth(t, "account", "import", "--datadir", datadir, "--password", "./testdata/password.txt", "--lightkdf", "./testdata/key.prv").WaitExit()
 	account := "0x02f0d131f1f97aef08aec6e3291b957d9efe7105"
 	server := startGethWithIpc(t, "lightserver", "--allow-insecure-unlock", "--datadir", datadir, "--password", "./testdata/password.txt", "--unlock", account, "--mine", "--light.serve=100", "--light.maxpeers=1", "--nodiscover", "--nat=extip:127.0.0.1", "--verbosity=4")
 	return server

cmd/geth/main.go

@@ -44,7 +44,7 @@ import (
 	_ "github.com/ethereum/go-ethereum/eth/tracers/js"
 	_ "github.com/ethereum/go-ethereum/eth/tracers/native"
 
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const (
@@ -58,7 +58,7 @@ var (
 	// The app that holds all commands and flags.
 	app = flags.NewApp(gitCommit, gitDate, "the go-ethereum command line interface")
 	// flags that configure the node
-	nodeFlags = utils.GroupFlags([]cli.Flag{
+	nodeFlags = flags.Merge([]cli.Flag{
 		utils.IdentityFlag,
 		utils.UnlockedAccountFlag,
 		utils.PasswordFileFlag,
@@ -119,6 +119,7 @@ var (
 		utils.CachePreimagesFlag,
 		utils.FDLimitFlag,
 		utils.ListenPortFlag,
+		utils.DiscoveryPortFlag,
 		utils.MaxPeersFlag,
 		utils.MaxPendingPeersFlag,
 		utils.MiningEnabledFlag,
@@ -213,7 +214,7 @@ func init() {
 	app.Action = geth
 	app.HideVersion = true // we have a command to print the version
 	app.Copyright = "Copyright 2013-2022 The go-ethereum Authors"
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		// See chaincmd.go:
 		initCommand,
 		importCommand,
@@ -247,14 +248,17 @@ func init() {
 	}
 	sort.Sort(cli.CommandsByName(app.Commands))
 
-	app.Flags = utils.GroupFlags(nodeFlags,
+	app.Flags = flags.Merge(
+		nodeFlags,
 		rpcFlags,
 		consoleFlags,
 		debug.Flags,
 		metricsFlags,
-		txTraceFlags)
+		txTraceFlags,
+	)
 
 	app.Before = func(ctx *cli.Context) error {
+		flags.MigrateGlobalFlags(ctx)
 		return debug.Setup(ctx)
 	}
 	app.After = func(ctx *cli.Context) error {
@@ -276,22 +280,22 @@ func main() {
 func prepare(ctx *cli.Context) {
 	// If we're running a known preset, log it for convenience.
 	switch {
-	case ctx.GlobalIsSet(utils.RopstenFlag.Name):
+	case ctx.IsSet(utils.RopstenFlag.Name):
 		log.Info("Starting Geth on Ropsten testnet...")
 
-	case ctx.GlobalIsSet(utils.RinkebyFlag.Name):
+	case ctx.IsSet(utils.RinkebyFlag.Name):
 		log.Info("Starting Geth on Rinkeby testnet...")
 
-	case ctx.GlobalIsSet(utils.GoerliFlag.Name):
+	case ctx.IsSet(utils.GoerliFlag.Name):
 		log.Info("Starting Geth on Görli testnet...")
 
-	case ctx.GlobalIsSet(utils.SepoliaFlag.Name):
+	case ctx.IsSet(utils.SepoliaFlag.Name):
 		log.Info("Starting Geth on Sepolia testnet...")
 
-	case ctx.GlobalIsSet(utils.KilnFlag.Name):
+	case ctx.IsSet(utils.KilnFlag.Name):
 		log.Info("Starting Geth on Kiln testnet...")
 
-	case ctx.GlobalIsSet(utils.DeveloperFlag.Name):
+	case ctx.IsSet(utils.DeveloperFlag.Name):
 		log.Info("Starting Geth in ephemeral dev mode...")
 		log.Warn(`You are running Geth in --dev mode. Please note the following:
 
@@ -309,27 +313,27 @@ func prepare(ctx *cli.Context) {
      to 0, and discovery is disabled.
 `)
 
-	case !ctx.GlobalIsSet(utils.NetworkIdFlag.Name):
+	case !ctx.IsSet(utils.NetworkIdFlag.Name):
 		log.Info("Starting Geth on Ethereum mainnet...")
 	}
 	// If we're a full node on mainnet without --cache specified, bump default cache allowance
-	if ctx.GlobalString(utils.SyncModeFlag.Name) != "light" && !ctx.GlobalIsSet(utils.CacheFlag.Name) && !ctx.GlobalIsSet(utils.NetworkIdFlag.Name) {
+	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.GlobalIsSet(utils.RopstenFlag.Name) &&
-			!ctx.GlobalIsSet(utils.SepoliaFlag.Name) &&
-			!ctx.GlobalIsSet(utils.RinkebyFlag.Name) &&
-			!ctx.GlobalIsSet(utils.GoerliFlag.Name) &&
-			!ctx.GlobalIsSet(utils.KilnFlag.Name) &&
-			!ctx.GlobalIsSet(utils.DeveloperFlag.Name) {
+		if !ctx.IsSet(utils.RopstenFlag.Name) &&
+			!ctx.IsSet(utils.SepoliaFlag.Name) &&
+			!ctx.IsSet(utils.RinkebyFlag.Name) &&
+			!ctx.IsSet(utils.GoerliFlag.Name) &&
+			!ctx.IsSet(utils.KilnFlag.Name) &&
+			!ctx.IsSet(utils.DeveloperFlag.Name) {
 			// Nope, we're really on mainnet. Bump that cache up!
-			log.Info("Bumping default cache on mainnet", "provided", ctx.GlobalInt(utils.CacheFlag.Name), "updated", 4096)
-			ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(4096))
+			log.Info("Bumping default cache on mainnet", "provided", ctx.Int(utils.CacheFlag.Name), "updated", 4096)
+			ctx.Set(utils.CacheFlag.Name, strconv.Itoa(4096))
 		}
 	}
 	// If we're running a light client on any network, drop the cache to some meaningfully low amount
-	if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" && !ctx.GlobalIsSet(utils.CacheFlag.Name) {
-		log.Info("Dropping default light client cache", "provided", ctx.GlobalInt(utils.CacheFlag.Name), "updated", 128)
-		ctx.GlobalSet(utils.CacheFlag.Name, strconv.Itoa(128))
+	if ctx.String(utils.SyncModeFlag.Name) == "light" && !ctx.IsSet(utils.CacheFlag.Name) {
+		log.Info("Dropping default light client cache", "provided", ctx.Int(utils.CacheFlag.Name), "updated", 128)
+		ctx.Set(utils.CacheFlag.Name, strconv.Itoa(128))
 	}
 
 	// Start metrics export if enabled
@@ -343,7 +347,7 @@ func prepare(ctx *cli.Context) {
 // It creates a default node based on the command line arguments and runs it in
 // blocking mode, waiting for it to be shut down.
 func geth(ctx *cli.Context) error {
-	if args := ctx.Args(); len(args) > 0 {
+	if args := ctx.Args().Slice(); len(args) > 0 {
 		return fmt.Errorf("invalid command: %q", args[0])
 	}
 
@@ -414,7 +418,7 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 
 	// Spawn a standalone goroutine for status synchronization monitoring,
 	// close the node when synchronization is complete if user required.
-	if ctx.GlobalBool(utils.ExitWhenSyncedFlag.Name) {
+	if ctx.Bool(utils.ExitWhenSyncedFlag.Name) {
 		go func() {
 			sub := stack.EventMux().Subscribe(downloader.DoneEvent{})
 			defer sub.Unsubscribe()
@@ -437,9 +441,9 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 	}
 
 	// Start auxiliary services if enabled
-	if ctx.GlobalBool(utils.MiningEnabledFlag.Name) || ctx.GlobalBool(utils.DeveloperFlag.Name) {
+	if ctx.Bool(utils.MiningEnabledFlag.Name) || ctx.Bool(utils.DeveloperFlag.Name) {
 		// Mining only makes sense if a full Ethereum node is running
-		if ctx.GlobalString(utils.SyncModeFlag.Name) == "light" {
+		if ctx.String(utils.SyncModeFlag.Name) == "light" {
 			utils.Fatalf("Light clients do not support mining")
 		}
 		ethBackend, ok := backend.(*eth.EthAPIBackend)
@@ -447,10 +451,10 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 			utils.Fatalf("Ethereum service not running")
 		}
 		// Set the gas price to the limits from the CLI and start mining
-		gasprice := utils.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
+		gasprice := flags.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
 		ethBackend.TxPool().SetGasPrice(gasprice)
 		// start mining
-		threads := ctx.GlobalInt(utils.MinerThreadsFlag.Name)
+		threads := ctx.Int(utils.MinerThreadsFlag.Name)
 		if err := ethBackend.StartMining(threads); err != nil {
 			utils.Fatalf("Failed to start mining: %v", err)
 		}
@@ -460,7 +464,7 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 // unlockAccounts unlocks any account specifically requested.
 func unlockAccounts(ctx *cli.Context, stack *node.Node) {
 	var unlocks []string
-	inputs := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
+	inputs := strings.Split(ctx.String(utils.UnlockedAccountFlag.Name), ",")
 	for _, input := range inputs {
 		if trimmed := strings.TrimSpace(input); trimmed != "" {
 			unlocks = append(unlocks, trimmed)

cmd/geth/misccmd.go

@@ -26,28 +26,27 @@ import (
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/params"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var (
-	VersionCheckUrlFlag = cli.StringFlag{
+	VersionCheckUrlFlag = &cli.StringFlag{
 		Name:  "check.url",
 		Usage: "URL to use when checking vulnerabilities",
 		Value: "https://geth.ethereum.org/docs/vulnerabilities/vulnerabilities.json",
 	}
-	VersionCheckVersionFlag = cli.StringFlag{
+	VersionCheckVersionFlag = &cli.StringFlag{
 		Name:  "check.version",
 		Usage: "Version to check",
 		Value: fmt.Sprintf("Geth/v%v/%v-%v/%v",
 			params.VersionWithCommit(gitCommit, gitDate),
 			runtime.GOOS, runtime.GOARCH, runtime.Version()),
 	}
-	makecacheCommand = cli.Command{
-		Action:    utils.MigrateFlags(makecache),
+	makecacheCommand = &cli.Command{
+		Action:    makecache,
 		Name:      "makecache",
 		Usage:     "Generate ethash verification cache (for testing)",
 		ArgsUsage: "<blockNum> <outputDir>",
-		Category:  "MISCELLANEOUS COMMANDS",
 		Description: `
 The makecache command generates an ethash cache in <outputDir>.
 
@@ -55,12 +54,11 @@ This command exists to support the system testing project.
 Regular users do not need to execute it.
 `,
 	}
-	makedagCommand = cli.Command{
-		Action:    utils.MigrateFlags(makedag),
+	makedagCommand = &cli.Command{
+		Action:    makedag,
 		Name:      "makedag",
 		Usage:     "Generate ethash mining DAG (for testing)",
 		ArgsUsage: "<blockNum> <outputDir>",
-		Category:  "MISCELLANEOUS COMMANDS",
 		Description: `
 The makedag command generates an ethash DAG in <outputDir>.
 
@@ -68,43 +66,40 @@ This command exists to support the system testing project.
 Regular users do not need to execute it.
 `,
 	}
-	versionCommand = cli.Command{
-		Action:    utils.MigrateFlags(version),
+	versionCommand = &cli.Command{
+		Action:    version,
 		Name:      "version",
 		Usage:     "Print version numbers",
 		ArgsUsage: " ",
-		Category:  "MISCELLANEOUS COMMANDS",
 		Description: `
 The output of this command is supposed to be machine-readable.
 `,
 	}
-	versionCheckCommand = cli.Command{
-		Action: utils.MigrateFlags(versionCheck),
+	versionCheckCommand = &cli.Command{
+		Action: versionCheck,
 		Flags: []cli.Flag{
 			VersionCheckUrlFlag,
 			VersionCheckVersionFlag,
 		},
 		Name:      "version-check",
-		Usage:     "Checks (online) whether the current version suffers from any known security vulnerabilities",
+		Usage:     "Checks (online) for known Geth security vulnerabilities",
 		ArgsUsage: "<versionstring (optional)>",
-		Category:  "MISCELLANEOUS COMMANDS",
 		Description: `
 The version-check command fetches vulnerability-information from https://geth.ethereum.org/docs/vulnerabilities/vulnerabilities.json, 
 and displays information about any security vulnerabilities that affect the currently executing version.
 `,
 	}
-	licenseCommand = cli.Command{
-		Action:    utils.MigrateFlags(license),
+	licenseCommand = &cli.Command{
+		Action:    license,
 		Name:      "license",
 		Usage:     "Display license information",
 		ArgsUsage: " ",
-		Category:  "MISCELLANEOUS COMMANDS",
 	}
 )
 
 // makecache generates an ethash verification cache into the provided folder.
 func makecache(ctx *cli.Context) error {
-	args := ctx.Args()
+	args := ctx.Args().Slice()
 	if len(args) != 2 {
 		utils.Fatalf(`Usage: geth makecache <block number> <outputdir>`)
 	}
@@ -119,7 +114,7 @@ func makecache(ctx *cli.Context) error {
 
 // makedag generates an ethash mining DAG into the provided folder.
 func makedag(ctx *cli.Context) error {
-	args := ctx.Args()
+	args := ctx.Args().Slice()
 	if len(args) != 2 {
 		utils.Fatalf(`Usage: geth makedag <block number> <outputdir>`)
 	}

cmd/geth/snapshot.go

@@ -31,10 +31,11 @@ import (
 	"github.com/ethereum/go-ethereum/core/state/snapshot"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/trie"
-	cli "gopkg.in/urfave/cli.v1"
+	cli "github.com/urfave/cli/v2"
 )
 
 var (
@@ -46,19 +47,17 @@ var (
 )
 
 var (
-	snapshotCommand = cli.Command{
+	snapshotCommand = &cli.Command{
 		Name:        "snapshot",
 		Usage:       "A set of commands based on the snapshot",
-		Category:    "MISCELLANEOUS COMMANDS",
 		Description: "",
-		Subcommands: []cli.Command{
+		Subcommands: []*cli.Command{
 			{
 				Name:      "prune-state",
 				Usage:     "Prune stale ethereum state data based on the snapshot",
 				ArgsUsage: "<root>",
-				Action:    utils.MigrateFlags(pruneState),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags: utils.GroupFlags([]cli.Flag{
+				Action:    pruneState,
+				Flags: flags.Merge([]cli.Flag{
 					utils.CacheTrieJournalFlag,
 					utils.BloomFilterSizeFlag,
 				}, utils.NetworkFlags, utils.DatabasePathFlags),
@@ -81,9 +80,8 @@ the trie clean cache with default directory will be deleted.
 				Name:      "verify-state",
 				Usage:     "Recalculate state hash based on the snapshot for verification",
 				ArgsUsage: "<root>",
-				Action:    utils.MigrateFlags(verifyState),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+				Action:    verifyState,
+				Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
 geth snapshot verify-state <state-root>
 will traverse the whole accounts and storages set based on the specified
@@ -95,9 +93,8 @@ In other words, this command does the snapshot to trie conversion.
 				Name:      "check-dangling-storage",
 				Usage:     "Check that there is no 'dangling' snap storage",
 				ArgsUsage: "<root>",
-				Action:    utils.MigrateFlags(checkDanglingStorage),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+				Action:    checkDanglingStorage,
+				Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
 geth snapshot check-dangling-storage <state-root> traverses the snap storage 
 data, and verifies that all snapshot storage data has a corresponding account. 
@@ -107,9 +104,8 @@ data, and verifies that all snapshot storage data has a corresponding account.
 				Name:      "inspect-account",
 				Usage:     "Check all snapshot layers for the a specific account",
 				ArgsUsage: "<address | hash>",
-				Action:    utils.MigrateFlags(checkAccount),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+				Action:    checkAccount,
+				Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
 geth snapshot inspect-account <address | hash> checks all snapshot layers and prints out
 information about the specified address. 
@@ -119,9 +115,8 @@ information about the specified address.
 				Name:      "traverse-state",
 				Usage:     "Traverse the state with given root hash and perform quick verification",
 				ArgsUsage: "<root>",
-				Action:    utils.MigrateFlags(traverseState),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+				Action:    traverseState,
+				Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
 geth snapshot traverse-state <state-root>
 will traverse the whole state from the given state root and will abort if any
@@ -135,9 +130,8 @@ It's also usable without snapshot enabled.
 				Name:      "traverse-rawstate",
 				Usage:     "Traverse the state with given root hash and perform detailed verification",
 				ArgsUsage: "<root>",
-				Action:    utils.MigrateFlags(traverseRawState),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags:     utils.GroupFlags(utils.NetworkFlags, utils.DatabasePathFlags),
+				Action:    traverseRawState,
+				Flags:     flags.Merge(utils.NetworkFlags, utils.DatabasePathFlags),
 				Description: `
 geth snapshot traverse-rawstate <state-root>
 will traverse the whole state from the given root and will abort if any referenced
@@ -152,9 +146,8 @@ It's also usable without snapshot enabled.
 				Name:      "dump",
 				Usage:     "Dump a specific block from storage (same as 'geth dump' but using snapshots)",
 				ArgsUsage: "[? <blockHash> | <blockNum>]",
-				Action:    utils.MigrateFlags(dumpState),
-				Category:  "MISCELLANEOUS COMMANDS",
-				Flags: utils.GroupFlags([]cli.Flag{
+				Action:    dumpState,
+				Flags: flags.Merge([]cli.Flag{
 					utils.ExcludeCodeFlag,
 					utils.ExcludeStorageFlag,
 					utils.StartKeyFlag,
@@ -177,7 +170,7 @@ func pruneState(ctx *cli.Context) error {
 	defer stack.Close()
 
 	chaindb := utils.MakeChainDatabase(ctx, stack, false)
-	pruner, err := pruner.NewPruner(chaindb, stack.ResolvePath(""), stack.ResolvePath(config.Eth.TrieCleanCacheJournal), ctx.GlobalUint64(utils.BloomFilterSizeFlag.Name))
+	pruner, err := pruner.NewPruner(chaindb, stack.ResolvePath(""), stack.ResolvePath(config.Eth.TrieCleanCacheJournal), ctx.Uint64(utils.BloomFilterSizeFlag.Name))
 	if err != nil {
 		log.Error("Failed to open snapshot tree", "err", err)
 		return err
@@ -188,7 +181,7 @@ func pruneState(ctx *cli.Context) error {
 	}
 	var targetRoot common.Hash
 	if ctx.NArg() == 1 {
-		targetRoot, err = parseRoot(ctx.Args()[0])
+		targetRoot, err = parseRoot(ctx.Args().First())
 		if err != nil {
 			log.Error("Failed to resolve state root", "err", err)
 			return err
@@ -222,7 +215,7 @@ func verifyState(ctx *cli.Context) error {
 	}
 	var root = headBlock.Root()
 	if ctx.NArg() == 1 {
-		root, err = parseRoot(ctx.Args()[0])
+		root, err = parseRoot(ctx.Args().First())
 		if err != nil {
 			log.Error("Failed to resolve state root", "err", err)
 			return err
@@ -267,7 +260,7 @@ func traverseState(ctx *cli.Context) error {
 		err  error
 	)
 	if ctx.NArg() == 1 {
-		root, err = parseRoot(ctx.Args()[0])
+		root, err = parseRoot(ctx.Args().First())
 		if err != nil {
 			log.Error("Failed to resolve state root", "err", err)
 			return err
@@ -356,7 +349,7 @@ func traverseRawState(ctx *cli.Context) error {
 		err  error
 	)
 	if ctx.NArg() == 1 {
-		root, err = parseRoot(ctx.Args()[0])
+		root, err = parseRoot(ctx.Args().First())
 		if err != nil {
 			log.Error("Failed to resolve state root", "err", err)
 			return err
@@ -558,12 +551,12 @@ func checkAccount(ctx *cli.Context) error {
 		hash common.Hash
 		addr common.Address
 	)
-	switch len(ctx.Args()[0]) {
+	switch arg := ctx.Args().First(); len(arg) {
 	case 40, 42:
-		addr = common.HexToAddress(ctx.Args()[0])
+		addr = common.HexToAddress(arg)
 		hash = crypto.Keccak256Hash(addr.Bytes())
 	case 64, 66:
-		hash = common.HexToHash(ctx.Args()[0])
+		hash = common.HexToHash(arg)
 	default:
 		return errors.New("malformed address or hash")
 	}

cmd/geth/usage.go

@@ -1,305 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of go-ethereum.
-//
-// go-ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// go-ethereum 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
-
-// Contains the geth command usage template and generator.
-
-package main
-
-import (
-	"io"
-	"sort"
-
-	"github.com/ethereum/go-ethereum/cmd/utils"
-	"github.com/ethereum/go-ethereum/internal/debug"
-	"github.com/ethereum/go-ethereum/internal/flags"
-	"gopkg.in/urfave/cli.v1"
-)
-
-// AppHelpFlagGroups is the application flags, grouped by functionality.
-var AppHelpFlagGroups = []flags.FlagGroup{
-	{
-		Name: "ETHEREUM",
-		Flags: utils.GroupFlags([]cli.Flag{
-			configFileFlag,
-			utils.MinFreeDiskSpaceFlag,
-			utils.KeyStoreDirFlag,
-			utils.USBFlag,
-			utils.SmartCardDaemonPathFlag,
-			utils.NetworkIdFlag,
-			utils.SyncModeFlag,
-			utils.ExitWhenSyncedFlag,
-			utils.GCModeFlag,
-			utils.TxLookupLimitFlag,
-			utils.EthStatsURLFlag,
-			utils.IdentityFlag,
-			utils.LightKDFFlag,
-			utils.EthRequiredBlocksFlag,
-		}, utils.NetworkFlags, utils.DatabasePathFlags),
-	},
-	{
-		Name: "LIGHT CLIENT",
-		Flags: []cli.Flag{
-			utils.LightServeFlag,
-			utils.LightIngressFlag,
-			utils.LightEgressFlag,
-			utils.LightMaxPeersFlag,
-			utils.UltraLightServersFlag,
-			utils.UltraLightFractionFlag,
-			utils.UltraLightOnlyAnnounceFlag,
-			utils.LightNoPruneFlag,
-			utils.LightNoSyncServeFlag,
-		},
-	},
-	{
-		Name: "DEVELOPER CHAIN",
-		Flags: []cli.Flag{
-			utils.DeveloperFlag,
-			utils.DeveloperPeriodFlag,
-			utils.DeveloperGasLimitFlag,
-		},
-	},
-	{
-		Name: "ETHASH",
-		Flags: []cli.Flag{
-			utils.EthashCacheDirFlag,
-			utils.EthashCachesInMemoryFlag,
-			utils.EthashCachesOnDiskFlag,
-			utils.EthashCachesLockMmapFlag,
-			utils.EthashDatasetDirFlag,
-			utils.EthashDatasetsInMemoryFlag,
-			utils.EthashDatasetsOnDiskFlag,
-			utils.EthashDatasetsLockMmapFlag,
-		},
-	},
-	{
-		Name: "TRANSACTION POOL",
-		Flags: []cli.Flag{
-			utils.TxPoolLocalsFlag,
-			utils.TxPoolNoLocalsFlag,
-			utils.TxPoolJournalFlag,
-			utils.TxPoolRejournalFlag,
-			utils.TxPoolPriceLimitFlag,
-			utils.TxPoolPriceBumpFlag,
-			utils.TxPoolAccountSlotsFlag,
-			utils.TxPoolGlobalSlotsFlag,
-			utils.TxPoolAccountQueueFlag,
-			utils.TxPoolGlobalQueueFlag,
-			utils.TxPoolLifetimeFlag,
-		},
-	},
-	{
-		Name: "PERFORMANCE TUNING",
-		Flags: []cli.Flag{
-			utils.CacheFlag,
-			utils.CacheDatabaseFlag,
-			utils.CacheTrieFlag,
-			utils.CacheTrieJournalFlag,
-			utils.CacheTrieRejournalFlag,
-			utils.CacheGCFlag,
-			utils.CacheSnapshotFlag,
-			utils.CacheNoPrefetchFlag,
-			utils.CachePreimagesFlag,
-			utils.FDLimitFlag,
-		},
-	},
-	{
-		Name: "ACCOUNT",
-		Flags: []cli.Flag{
-			utils.UnlockedAccountFlag,
-			utils.PasswordFileFlag,
-			utils.ExternalSignerFlag,
-			utils.InsecureUnlockAllowedFlag,
-		},
-	},
-	{
-		Name: "API AND CONSOLE",
-		Flags: []cli.Flag{
-			utils.IPCDisabledFlag,
-			utils.IPCPathFlag,
-			utils.HTTPEnabledFlag,
-			utils.HTTPListenAddrFlag,
-			utils.HTTPPortFlag,
-			utils.HTTPApiFlag,
-			utils.HTTPPathPrefixFlag,
-			utils.HTTPCORSDomainFlag,
-			utils.HTTPVirtualHostsFlag,
-			utils.WSEnabledFlag,
-			utils.WSListenAddrFlag,
-			utils.WSPortFlag,
-			utils.WSApiFlag,
-			utils.WSPathPrefixFlag,
-			utils.WSAllowedOriginsFlag,
-			utils.JWTSecretFlag,
-			utils.AuthListenFlag,
-			utils.AuthPortFlag,
-			utils.AuthVirtualHostsFlag,
-			utils.GraphQLEnabledFlag,
-			utils.GraphQLCORSDomainFlag,
-			utils.GraphQLVirtualHostsFlag,
-			utils.RPCGlobalGasCapFlag,
-			utils.RPCGlobalEVMTimeoutFlag,
-			utils.RPCGlobalTxFeeCapFlag,
-			utils.AllowUnprotectedTxs,
-			utils.JSpathFlag,
-			utils.ExecFlag,
-			utils.PreloadJSFlag,
-		},
-	},
-	{
-		Name: "NETWORKING",
-		Flags: []cli.Flag{
-			utils.BootnodesFlag,
-			utils.DNSDiscoveryFlag,
-			utils.ListenPortFlag,
-			utils.MaxPeersFlag,
-			utils.MaxPendingPeersFlag,
-			utils.NATFlag,
-			utils.NoDiscoverFlag,
-			utils.DiscoveryV5Flag,
-			utils.NetrestrictFlag,
-			utils.NodeKeyFileFlag,
-			utils.NodeKeyHexFlag,
-		},
-	},
-	{
-		Name: "MINER",
-		Flags: []cli.Flag{
-			utils.MiningEnabledFlag,
-			utils.MinerThreadsFlag,
-			utils.MinerNotifyFlag,
-			utils.MinerNotifyFullFlag,
-			utils.MinerGasPriceFlag,
-			utils.MinerGasLimitFlag,
-			utils.MinerEtherbaseFlag,
-			utils.MinerExtraDataFlag,
-			utils.MinerRecommitIntervalFlag,
-			utils.MinerNoVerifyFlag,
-		},
-	},
-	{
-		Name: "GAS PRICE ORACLE",
-		Flags: []cli.Flag{
-			utils.GpoBlocksFlag,
-			utils.GpoPercentileFlag,
-			utils.GpoMaxGasPriceFlag,
-			utils.GpoIgnoreGasPriceFlag,
-		},
-	},
-	{
-		Name: "VIRTUAL MACHINE",
-		Flags: []cli.Flag{
-			utils.VMEnableDebugFlag,
-		},
-	},
-	{
-		Name: "LOGGING AND DEBUGGING",
-		Flags: append([]cli.Flag{
-			utils.FakePoWFlag,
-			utils.NoCompactionFlag,
-		}, debug.Flags...),
-	},
-	{
-		Name:  "METRICS AND STATS",
-		Flags: metricsFlags,
-	},
-	{
-		Name:  "TRANSACTION TRACING",
-		Flags: txTraceFlags,
-	},
-	{
-		Name: "ALIASED (deprecated)",
-		Flags: []cli.Flag{
-			utils.NoUSBFlag,
-			utils.LegacyWhitelistFlag,
-		},
-	},
-	{
-		Name: "MISC",
-		Flags: []cli.Flag{
-			utils.SnapshotFlag,
-			utils.BloomFilterSizeFlag,
-			utils.IgnoreLegacyReceiptsFlag,
-			cli.HelpFlag,
-		},
-	},
-}
-
-func init() {
-	// Override the default app help template
-	cli.AppHelpTemplate = flags.AppHelpTemplate
-
-	// Override the default app help printer, but only for the global app help
-	originalHelpPrinter := cli.HelpPrinter
-	cli.HelpPrinter = func(w io.Writer, tmpl string, data interface{}) {
-		if tmpl == flags.AppHelpTemplate {
-			// Iterate over all the flags and add any uncategorized ones
-			categorized := make(map[string]struct{})
-			for _, group := range AppHelpFlagGroups {
-				for _, flag := range group.Flags {
-					categorized[flag.String()] = struct{}{}
-				}
-			}
-			deprecated := make(map[string]struct{})
-			for _, flag := range utils.DeprecatedFlags {
-				deprecated[flag.String()] = struct{}{}
-			}
-			// Only add uncategorized flags if they are not deprecated
-			var uncategorized []cli.Flag
-			for _, flag := range data.(*cli.App).Flags {
-				if _, ok := categorized[flag.String()]; !ok {
-					if _, ok := deprecated[flag.String()]; !ok {
-						uncategorized = append(uncategorized, flag)
-					}
-				}
-			}
-			if len(uncategorized) > 0 {
-				// Append all ungategorized options to the misc group
-				miscs := len(AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags)
-				AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags = append(AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags, uncategorized...)
-
-				// Make sure they are removed afterwards
-				defer func() {
-					AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags = AppHelpFlagGroups[len(AppHelpFlagGroups)-1].Flags[:miscs]
-				}()
-			}
-			// Render out custom usage screen
-			originalHelpPrinter(w, tmpl, flags.HelpData{App: data, FlagGroups: AppHelpFlagGroups})
-		} else if tmpl == flags.CommandHelpTemplate {
-			// Iterate over all command specific flags and categorize them
-			categorized := make(map[string][]cli.Flag)
-			for _, flag := range data.(cli.Command).Flags {
-				if _, ok := categorized[flag.String()]; !ok {
-					categorized[flags.FlagCategory(flag, AppHelpFlagGroups)] = append(categorized[flags.FlagCategory(flag, AppHelpFlagGroups)], flag)
-				}
-			}
-
-			// sort to get a stable ordering
-			sorted := make([]flags.FlagGroup, 0, len(categorized))
-			for cat, flgs := range categorized {
-				sorted = append(sorted, flags.FlagGroup{Name: cat, Flags: flgs})
-			}
-			sort.Sort(flags.ByCategory(sorted))
-
-			// add sorted array to data and render with default printer
-			originalHelpPrinter(w, tmpl, map[string]interface{}{
-				"cmd":              data,
-				"categorizedFlags": sorted,
-			})
-		} else {
-			originalHelpPrinter(w, tmpl, data)
-		}
-	}
-}

cmd/geth/version_check.go

@@ -28,7 +28,7 @@ import (
 
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/jedisct1/go-minisign"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var gethPubKeys []string = []string{

cmd/geth/version_check_test.go

@@ -118,7 +118,6 @@ func TestMatching(t *testing.T) {
 						version, vuln.Introduced, vuln.Fixed, vuln.Name, vulnIntro, current, vulnFixed)
 				}
 			}
-
 		}
 	}
 	for major := 1; major < 2; major++ {

cmd/p2psim/main.go

@@ -46,71 +46,77 @@ import (
 	"text/tabwriter"
 
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/internal/flags"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/enode"
 	"github.com/ethereum/go-ethereum/p2p/simulations"
 	"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
 	"github.com/ethereum/go-ethereum/rpc"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 var client *simulations.Client
 
 var (
 	// global command flags
-	apiFlag = cli.StringFlag{
-		Name:   "api",
-		Value:  "http://localhost:8888",
-		Usage:  "simulation API URL",
-		EnvVar: "P2PSIM_API_URL",
+	apiFlag = &cli.StringFlag{
+		Name:    "api",
+		Value:   "http://localhost:8888",
+		Usage:   "simulation API URL",
+		EnvVars: []string{"P2PSIM_API_URL"},
 	}
 
 	// events subcommand flags
-	currentFlag = cli.BoolFlag{
+	currentFlag = &cli.BoolFlag{
 		Name:  "current",
 		Usage: "get existing nodes and conns first",
 	}
-	filterFlag = cli.StringFlag{
+	filterFlag = &cli.StringFlag{
 		Name:  "filter",
 		Value: "",
 		Usage: "message filter",
 	}
 
 	// node create subcommand flags
-	nameFlag = cli.StringFlag{
+	nameFlag = &cli.StringFlag{
 		Name:  "name",
 		Value: "",
 		Usage: "node name",
 	}
-	servicesFlag = cli.StringFlag{
+	servicesFlag = &cli.StringFlag{
 		Name:  "services",
 		Value: "",
 		Usage: "node services (comma separated)",
 	}
-	keyFlag = cli.StringFlag{
+	keyFlag = &cli.StringFlag{
 		Name:  "key",
 		Value: "",
 		Usage: "node private key (hex encoded)",
 	}
 
 	// node rpc subcommand flags
-	subscribeFlag = cli.BoolFlag{
+	subscribeFlag = &cli.BoolFlag{
 		Name:  "subscribe",
 		Usage: "method is a subscription",
 	}
 )
 
+var (
+	// Git information set by linker when building with ci.go.
+	gitCommit string
+	gitDate   string
+)
+
 func main() {
-	app := cli.NewApp()
-	app.Usage = "devp2p simulation command-line client"
+	app := flags.NewApp(gitCommit, gitDate, "devp2p simulation command-line client")
 	app.Flags = []cli.Flag{
 		apiFlag,
 	}
 	app.Before = func(ctx *cli.Context) error {
-		client = simulations.NewClient(ctx.GlobalString(apiFlag.Name))
+		client = simulations.NewClient(ctx.String(apiFlag.Name))
 		return nil
 	}
-	app.Commands = []cli.Command{
+	app.Commands = []*cli.Command{
 		{
 			Name:   "show",
 			Usage:  "show network information",
@@ -139,7 +145,7 @@ func main() {
 			Name:   "node",
 			Usage:  "manage simulation nodes",
 			Action: listNodes,
-			Subcommands: []cli.Command{
+			Subcommands: []*cli.Command{
 				{
 					Name:   "list",
 					Usage:  "list nodes",
@@ -204,7 +210,7 @@ func main() {
 }
 
 func showNetwork(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	network, err := client.GetNetwork()
@@ -219,7 +225,7 @@ func showNetwork(ctx *cli.Context) error {
 }
 
 func streamNetwork(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	events := make(chan *simulations.Event)
@@ -245,7 +251,7 @@ func streamNetwork(ctx *cli.Context) error {
 }
 
 func createSnapshot(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	snap, err := client.CreateSnapshot()
@@ -256,7 +262,7 @@ func createSnapshot(ctx *cli.Context) error {
 }
 
 func loadSnapshot(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	snap := &simulations.Snapshot{}
@@ -267,7 +273,7 @@ func loadSnapshot(ctx *cli.Context) error {
 }
 
 func listNodes(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	nodes, err := client.GetNodes()
@@ -292,7 +298,7 @@ func protocolList(node *p2p.NodeInfo) []string {
 }
 
 func createNode(ctx *cli.Context) error {
-	if len(ctx.Args()) != 0 {
+	if ctx.NArg() != 0 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
 	config := adapters.RandomNodeConfig()
@@ -317,11 +323,10 @@ func createNode(ctx *cli.Context) error {
 }
 
 func showNode(ctx *cli.Context) error {
-	args := ctx.Args()
-	if len(args) != 1 {
+	if ctx.NArg() != 1 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
+	nodeName := ctx.Args().First()
 	node, err := client.GetNode(nodeName)
 	if err != nil {
 		return err
@@ -342,11 +347,10 @@ func showNode(ctx *cli.Context) error {
 }
 
 func startNode(ctx *cli.Context) error {
-	args := ctx.Args()
-	if len(args) != 1 {
+	if ctx.NArg() != 1 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
+	nodeName := ctx.Args().First()
 	if err := client.StartNode(nodeName); err != nil {
 		return err
 	}
@@ -355,11 +359,10 @@ func startNode(ctx *cli.Context) error {
 }
 
 func stopNode(ctx *cli.Context) error {
-	args := ctx.Args()
-	if len(args) != 1 {
+	if ctx.NArg() != 1 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
+	nodeName := ctx.Args().First()
 	if err := client.StopNode(nodeName); err != nil {
 		return err
 	}
@@ -368,12 +371,12 @@ func stopNode(ctx *cli.Context) error {
 }
 
 func connectNode(ctx *cli.Context) error {
-	args := ctx.Args()
-	if len(args) != 2 {
+	if ctx.NArg() != 2 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
-	peerName := args[1]
+	args := ctx.Args()
+	nodeName := args.Get(0)
+	peerName := args.Get(1)
 	if err := client.ConnectNode(nodeName, peerName); err != nil {
 		return err
 	}
@@ -383,11 +386,11 @@ func connectNode(ctx *cli.Context) error {
 
 func disconnectNode(ctx *cli.Context) error {
 	args := ctx.Args()
-	if len(args) != 2 {
+	if args.Len() != 2 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
-	peerName := args[1]
+	nodeName := args.Get(0)
+	peerName := args.Get(1)
 	if err := client.DisconnectNode(nodeName, peerName); err != nil {
 		return err
 	}
@@ -397,21 +400,21 @@ func disconnectNode(ctx *cli.Context) error {
 
 func rpcNode(ctx *cli.Context) error {
 	args := ctx.Args()
-	if len(args) < 2 {
+	if args.Len() < 2 {
 		return cli.ShowCommandHelp(ctx, ctx.Command.Name)
 	}
-	nodeName := args[0]
-	method := args[1]
+	nodeName := args.Get(0)
+	method := args.Get(1)
 	rpcClient, err := client.RPCClient(context.Background(), nodeName)
 	if err != nil {
 		return err
 	}
 	if ctx.Bool(subscribeFlag.Name) {
-		return rpcSubscribe(rpcClient, ctx.App.Writer, method, args[3:]...)
+		return rpcSubscribe(rpcClient, ctx.App.Writer, method, args.Slice()[3:]...)
 	}
 	var result interface{}
-	params := make([]interface{}, len(args[3:]))
-	for i, v := range args[3:] {
+	params := make([]interface{}, len(args.Slice()[3:]))
+	for i, v := range args.Slice()[3:] {
 		params[i] = v
 	}
 	if err := rpcClient.Call(&result, method, params...); err != nil {

cmd/puppeth/genesis.go

@@ -1,626 +0,0 @@
-// Copyright 2017 The go-ethereum Authors
-// This file is part of go-ethereum.
-//
-// go-ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// go-ethereum 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
-
-package main
-
-import (
-	"errors"
-	"math"
-	"math/big"
-	"strings"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	math2 "github.com/ethereum/go-ethereum/common/math"
-	"github.com/ethereum/go-ethereum/consensus/ethash"
-	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/params"
-)
-
-// alethGenesisSpec represents the genesis specification format used by the
-// C++ Ethereum implementation.
-type alethGenesisSpec struct {
-	SealEngine string `json:"sealEngine"`
-	Params     struct {
-		AccountStartNonce          math2.HexOrDecimal64   `json:"accountStartNonce"`
-		MaximumExtraDataSize       hexutil.Uint64         `json:"maximumExtraDataSize"`
-		HomesteadForkBlock         *hexutil.Big           `json:"homesteadForkBlock,omitempty"`
-		DaoHardforkBlock           math2.HexOrDecimal64   `json:"daoHardforkBlock"`
-		EIP150ForkBlock            *hexutil.Big           `json:"EIP150ForkBlock,omitempty"`
-		EIP158ForkBlock            *hexutil.Big           `json:"EIP158ForkBlock,omitempty"`
-		ByzantiumForkBlock         *hexutil.Big           `json:"byzantiumForkBlock,omitempty"`
-		ConstantinopleForkBlock    *hexutil.Big           `json:"constantinopleForkBlock,omitempty"`
-		ConstantinopleFixForkBlock *hexutil.Big           `json:"constantinopleFixForkBlock,omitempty"`
-		IstanbulForkBlock          *hexutil.Big           `json:"istanbulForkBlock,omitempty"`
-		MinGasLimit                hexutil.Uint64         `json:"minGasLimit"`
-		MaxGasLimit                hexutil.Uint64         `json:"maxGasLimit"`
-		TieBreakingGas             bool                   `json:"tieBreakingGas"`
-		GasLimitBoundDivisor       math2.HexOrDecimal64   `json:"gasLimitBoundDivisor"`
-		MinimumDifficulty          *hexutil.Big           `json:"minimumDifficulty"`
-		DifficultyBoundDivisor     *math2.HexOrDecimal256 `json:"difficultyBoundDivisor"`
-		DurationLimit              *math2.HexOrDecimal256 `json:"durationLimit"`
-		BlockReward                *hexutil.Big           `json:"blockReward"`
-		NetworkID                  hexutil.Uint64         `json:"networkID"`
-		ChainID                    hexutil.Uint64         `json:"chainID"`
-		AllowFutureBlocks          bool                   `json:"allowFutureBlocks"`
-	} `json:"params"`
-
-	Genesis struct {
-		Nonce      types.BlockNonce `json:"nonce"`
-		Difficulty *hexutil.Big     `json:"difficulty"`
-		MixHash    common.Hash      `json:"mixHash"`
-		Author     common.Address   `json:"author"`
-		Timestamp  hexutil.Uint64   `json:"timestamp"`
-		ParentHash common.Hash      `json:"parentHash"`
-		ExtraData  hexutil.Bytes    `json:"extraData"`
-		GasLimit   hexutil.Uint64   `json:"gasLimit"`
-	} `json:"genesis"`
-
-	Accounts map[common.UnprefixedAddress]*alethGenesisSpecAccount `json:"accounts"`
-}
-
-// alethGenesisSpecAccount is the prefunded genesis account and/or precompiled
-// contract definition.
-type alethGenesisSpecAccount struct {
-	Balance     *math2.HexOrDecimal256   `json:"balance,omitempty"`
-	Nonce       uint64                   `json:"nonce,omitempty"`
-	Precompiled *alethGenesisSpecBuiltin `json:"precompiled,omitempty"`
-}
-
-// alethGenesisSpecBuiltin is the precompiled contract definition.
-type alethGenesisSpecBuiltin struct {
-	Name          string                         `json:"name,omitempty"`
-	StartingBlock *hexutil.Big                   `json:"startingBlock,omitempty"`
-	Linear        *alethGenesisSpecLinearPricing `json:"linear,omitempty"`
-}
-
-type alethGenesisSpecLinearPricing struct {
-	Base uint64 `json:"base"`
-	Word uint64 `json:"word"`
-}
-
-// newAlethGenesisSpec converts a go-ethereum genesis block into a Aleth-specific
-// chain specification format.
-func newAlethGenesisSpec(network string, genesis *core.Genesis) (*alethGenesisSpec, error) {
-	// Only ethash is currently supported between go-ethereum and aleth
-	if genesis.Config.Ethash == nil {
-		return nil, errors.New("unsupported consensus engine")
-	}
-	// Reconstruct the chain spec in Aleth format
-	spec := &alethGenesisSpec{
-		SealEngine: "Ethash",
-	}
-	// Some defaults
-	spec.Params.AccountStartNonce = 0
-	spec.Params.TieBreakingGas = false
-	spec.Params.AllowFutureBlocks = false
-
-	// Dao hardfork block is a special one. The fork block is listed as 0 in the
-	// config but aleth will sync with ETC clients up until the actual dao hard
-	// fork block.
-	spec.Params.DaoHardforkBlock = 0
-
-	if num := genesis.Config.HomesteadBlock; num != nil {
-		spec.Params.HomesteadForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.EIP150Block; num != nil {
-		spec.Params.EIP150ForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.EIP158Block; num != nil {
-		spec.Params.EIP158ForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.ByzantiumBlock; num != nil {
-		spec.Params.ByzantiumForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.ConstantinopleBlock; num != nil {
-		spec.Params.ConstantinopleForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.PetersburgBlock; num != nil {
-		spec.Params.ConstantinopleFixForkBlock = (*hexutil.Big)(num)
-	}
-	if num := genesis.Config.IstanbulBlock; num != nil {
-		spec.Params.IstanbulForkBlock = (*hexutil.Big)(num)
-	}
-	spec.Params.NetworkID = (hexutil.Uint64)(genesis.Config.ChainID.Uint64())
-	spec.Params.ChainID = (hexutil.Uint64)(genesis.Config.ChainID.Uint64())
-	spec.Params.MaximumExtraDataSize = (hexutil.Uint64)(params.MaximumExtraDataSize)
-	spec.Params.MinGasLimit = (hexutil.Uint64)(params.MinGasLimit)
-	spec.Params.MaxGasLimit = (hexutil.Uint64)(math.MaxInt64)
-	spec.Params.MinimumDifficulty = (*hexutil.Big)(params.MinimumDifficulty)
-	spec.Params.DifficultyBoundDivisor = (*math2.HexOrDecimal256)(params.DifficultyBoundDivisor)
-	spec.Params.GasLimitBoundDivisor = (math2.HexOrDecimal64)(params.GasLimitBoundDivisor)
-	spec.Params.DurationLimit = (*math2.HexOrDecimal256)(params.DurationLimit)
-	spec.Params.BlockReward = (*hexutil.Big)(ethash.FrontierBlockReward)
-
-	spec.Genesis.Nonce = types.EncodeNonce(genesis.Nonce)
-	spec.Genesis.MixHash = genesis.Mixhash
-	spec.Genesis.Difficulty = (*hexutil.Big)(genesis.Difficulty)
-	spec.Genesis.Author = genesis.Coinbase
-	spec.Genesis.Timestamp = (hexutil.Uint64)(genesis.Timestamp)
-	spec.Genesis.ParentHash = genesis.ParentHash
-	spec.Genesis.ExtraData = genesis.ExtraData
-	spec.Genesis.GasLimit = (hexutil.Uint64)(genesis.GasLimit)
-
-	for address, account := range genesis.Alloc {
-		spec.setAccount(address, account)
-	}
-
-	spec.setPrecompile(1, &alethGenesisSpecBuiltin{Name: "ecrecover",
-		Linear: &alethGenesisSpecLinearPricing{Base: 3000}})
-	spec.setPrecompile(2, &alethGenesisSpecBuiltin{Name: "sha256",
-		Linear: &alethGenesisSpecLinearPricing{Base: 60, Word: 12}})
-	spec.setPrecompile(3, &alethGenesisSpecBuiltin{Name: "ripemd160",
-		Linear: &alethGenesisSpecLinearPricing{Base: 600, Word: 120}})
-	spec.setPrecompile(4, &alethGenesisSpecBuiltin{Name: "identity",
-		Linear: &alethGenesisSpecLinearPricing{Base: 15, Word: 3}})
-	if genesis.Config.ByzantiumBlock != nil {
-		spec.setPrecompile(5, &alethGenesisSpecBuiltin{Name: "modexp",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock)})
-		spec.setPrecompile(6, &alethGenesisSpecBuiltin{Name: "alt_bn128_G1_add",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Linear:        &alethGenesisSpecLinearPricing{Base: 500}})
-		spec.setPrecompile(7, &alethGenesisSpecBuiltin{Name: "alt_bn128_G1_mul",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Linear:        &alethGenesisSpecLinearPricing{Base: 40000}})
-		spec.setPrecompile(8, &alethGenesisSpecBuiltin{Name: "alt_bn128_pairing_product",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock)})
-	}
-	if genesis.Config.IstanbulBlock != nil {
-		if genesis.Config.ByzantiumBlock == nil {
-			return nil, errors.New("invalid genesis, istanbul fork is enabled while byzantium is not")
-		}
-		spec.setPrecompile(6, &alethGenesisSpecBuiltin{
-			Name:          "alt_bn128_G1_add",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-		}) // Aleth hardcoded the gas policy
-		spec.setPrecompile(7, &alethGenesisSpecBuiltin{
-			Name:          "alt_bn128_G1_mul",
-			StartingBlock: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-		}) // Aleth hardcoded the gas policy
-		spec.setPrecompile(9, &alethGenesisSpecBuiltin{
-			Name:          "blake2_compression",
-			StartingBlock: (*hexutil.Big)(genesis.Config.IstanbulBlock),
-		})
-	}
-	return spec, nil
-}
-
-func (spec *alethGenesisSpec) setPrecompile(address byte, data *alethGenesisSpecBuiltin) {
-	if spec.Accounts == nil {
-		spec.Accounts = make(map[common.UnprefixedAddress]*alethGenesisSpecAccount)
-	}
-	addr := common.UnprefixedAddress(common.BytesToAddress([]byte{address}))
-	if _, exist := spec.Accounts[addr]; !exist {
-		spec.Accounts[addr] = &alethGenesisSpecAccount{}
-	}
-	spec.Accounts[addr].Precompiled = data
-}
-
-func (spec *alethGenesisSpec) setAccount(address common.Address, account core.GenesisAccount) {
-	if spec.Accounts == nil {
-		spec.Accounts = make(map[common.UnprefixedAddress]*alethGenesisSpecAccount)
-	}
-
-	a, exist := spec.Accounts[common.UnprefixedAddress(address)]
-	if !exist {
-		a = &alethGenesisSpecAccount{}
-		spec.Accounts[common.UnprefixedAddress(address)] = a
-	}
-	a.Balance = (*math2.HexOrDecimal256)(account.Balance)
-	a.Nonce = account.Nonce
-
-}
-
-// parityChainSpec is the chain specification format used by Parity.
-type parityChainSpec struct {
-	Name    string `json:"name"`
-	Datadir string `json:"dataDir"`
-	Engine  struct {
-		Ethash struct {
-			Params struct {
-				MinimumDifficulty      *hexutil.Big      `json:"minimumDifficulty"`
-				DifficultyBoundDivisor *hexutil.Big      `json:"difficultyBoundDivisor"`
-				DurationLimit          *hexutil.Big      `json:"durationLimit"`
-				BlockReward            map[string]string `json:"blockReward"`
-				DifficultyBombDelays   map[string]string `json:"difficultyBombDelays"`
-				HomesteadTransition    hexutil.Uint64    `json:"homesteadTransition"`
-				EIP100bTransition      hexutil.Uint64    `json:"eip100bTransition"`
-			} `json:"params"`
-		} `json:"Ethash"`
-	} `json:"engine"`
-
-	Params struct {
-		AccountStartNonce         hexutil.Uint64       `json:"accountStartNonce"`
-		MaximumExtraDataSize      hexutil.Uint64       `json:"maximumExtraDataSize"`
-		MinGasLimit               hexutil.Uint64       `json:"minGasLimit"`
-		GasLimitBoundDivisor      math2.HexOrDecimal64 `json:"gasLimitBoundDivisor"`
-		NetworkID                 hexutil.Uint64       `json:"networkID"`
-		ChainID                   hexutil.Uint64       `json:"chainID"`
-		MaxCodeSize               hexutil.Uint64       `json:"maxCodeSize"`
-		MaxCodeSizeTransition     hexutil.Uint64       `json:"maxCodeSizeTransition"`
-		EIP98Transition           hexutil.Uint64       `json:"eip98Transition"`
-		EIP150Transition          hexutil.Uint64       `json:"eip150Transition"`
-		EIP160Transition          hexutil.Uint64       `json:"eip160Transition"`
-		EIP161abcTransition       hexutil.Uint64       `json:"eip161abcTransition"`
-		EIP161dTransition         hexutil.Uint64       `json:"eip161dTransition"`
-		EIP155Transition          hexutil.Uint64       `json:"eip155Transition"`
-		EIP140Transition          hexutil.Uint64       `json:"eip140Transition"`
-		EIP211Transition          hexutil.Uint64       `json:"eip211Transition"`
-		EIP214Transition          hexutil.Uint64       `json:"eip214Transition"`
-		EIP658Transition          hexutil.Uint64       `json:"eip658Transition"`
-		EIP145Transition          hexutil.Uint64       `json:"eip145Transition"`
-		EIP1014Transition         hexutil.Uint64       `json:"eip1014Transition"`
-		EIP1052Transition         hexutil.Uint64       `json:"eip1052Transition"`
-		EIP1283Transition         hexutil.Uint64       `json:"eip1283Transition"`
-		EIP1283DisableTransition  hexutil.Uint64       `json:"eip1283DisableTransition"`
-		EIP1283ReenableTransition hexutil.Uint64       `json:"eip1283ReenableTransition"`
-		EIP1344Transition         hexutil.Uint64       `json:"eip1344Transition"`
-		EIP1884Transition         hexutil.Uint64       `json:"eip1884Transition"`
-		EIP2028Transition         hexutil.Uint64       `json:"eip2028Transition"`
-	} `json:"params"`
-
-	Genesis struct {
-		Seal struct {
-			Ethereum struct {
-				Nonce   types.BlockNonce `json:"nonce"`
-				MixHash hexutil.Bytes    `json:"mixHash"`
-			} `json:"ethereum"`
-		} `json:"seal"`
-
-		Difficulty *hexutil.Big   `json:"difficulty"`
-		Author     common.Address `json:"author"`
-		Timestamp  hexutil.Uint64 `json:"timestamp"`
-		ParentHash common.Hash    `json:"parentHash"`
-		ExtraData  hexutil.Bytes  `json:"extraData"`
-		GasLimit   hexutil.Uint64 `json:"gasLimit"`
-	} `json:"genesis"`
-
-	Nodes    []string                                             `json:"nodes"`
-	Accounts map[common.UnprefixedAddress]*parityChainSpecAccount `json:"accounts"`
-}
-
-// parityChainSpecAccount is the prefunded genesis account and/or precompiled
-// contract definition.
-type parityChainSpecAccount struct {
-	Balance math2.HexOrDecimal256   `json:"balance"`
-	Nonce   math2.HexOrDecimal64    `json:"nonce,omitempty"`
-	Builtin *parityChainSpecBuiltin `json:"builtin,omitempty"`
-}
-
-// parityChainSpecBuiltin is the precompiled contract definition.
-type parityChainSpecBuiltin struct {
-	Name       string       `json:"name"`                  // Each builtin should has it own name
-	Pricing    interface{}  `json:"pricing"`               // Each builtin should has it own price strategy
-	ActivateAt *hexutil.Big `json:"activate_at,omitempty"` // ActivateAt can't be omitted if empty, default means no fork
-}
-
-// parityChainSpecPricing represents the different pricing models that builtin
-// contracts might advertise using.
-type parityChainSpecPricing struct {
-	Linear *parityChainSpecLinearPricing `json:"linear,omitempty"`
-	ModExp *parityChainSpecModExpPricing `json:"modexp,omitempty"`
-
-	// Before the https://github.com/paritytech/parity-ethereum/pull/11039,
-	// Parity uses this format to config bn pairing price policy.
-	AltBnPairing *parityChainSepcAltBnPairingPricing `json:"alt_bn128_pairing,omitempty"`
-
-	// Blake2F is the price per round of Blake2 compression
-	Blake2F *parityChainSpecBlakePricing `json:"blake2_f,omitempty"`
-}
-
-type parityChainSpecLinearPricing struct {
-	Base uint64 `json:"base"`
-	Word uint64 `json:"word"`
-}
-
-type parityChainSpecModExpPricing struct {
-	Divisor uint64 `json:"divisor"`
-}
-
-// parityChainSpecAltBnConstOperationPricing defines the price
-// policy for bn const operation(used after istanbul)
-type parityChainSpecAltBnConstOperationPricing struct {
-	Price uint64 `json:"price"`
-}
-
-// parityChainSepcAltBnPairingPricing defines the price policy
-// for bn pairing.
-type parityChainSepcAltBnPairingPricing struct {
-	Base uint64 `json:"base"`
-	Pair uint64 `json:"pair"`
-}
-
-// parityChainSpecBlakePricing defines the price policy for blake2 f
-// compression.
-type parityChainSpecBlakePricing struct {
-	GasPerRound uint64 `json:"gas_per_round"`
-}
-
-type parityChainSpecAlternativePrice struct {
-	AltBnConstOperationPrice *parityChainSpecAltBnConstOperationPricing `json:"alt_bn128_const_operations,omitempty"`
-	AltBnPairingPrice        *parityChainSepcAltBnPairingPricing        `json:"alt_bn128_pairing,omitempty"`
-}
-
-// parityChainSpecVersionedPricing represents a single version price policy.
-type parityChainSpecVersionedPricing struct {
-	Price *parityChainSpecAlternativePrice `json:"price,omitempty"`
-	Info  string                           `json:"info,omitempty"`
-}
-
-// newParityChainSpec converts a go-ethereum genesis block into a Parity specific
-// chain specification format.
-func newParityChainSpec(network string, genesis *core.Genesis, bootnodes []string) (*parityChainSpec, error) {
-	// Only ethash is currently supported between go-ethereum and Parity
-	if genesis.Config.Ethash == nil {
-		return nil, errors.New("unsupported consensus engine")
-	}
-	// Reconstruct the chain spec in Parity's format
-	spec := &parityChainSpec{
-		Name:    network,
-		Nodes:   bootnodes,
-		Datadir: strings.ToLower(network),
-	}
-	spec.Engine.Ethash.Params.BlockReward = make(map[string]string)
-	spec.Engine.Ethash.Params.DifficultyBombDelays = make(map[string]string)
-	// Frontier
-	spec.Engine.Ethash.Params.MinimumDifficulty = (*hexutil.Big)(params.MinimumDifficulty)
-	spec.Engine.Ethash.Params.DifficultyBoundDivisor = (*hexutil.Big)(params.DifficultyBoundDivisor)
-	spec.Engine.Ethash.Params.DurationLimit = (*hexutil.Big)(params.DurationLimit)
-	spec.Engine.Ethash.Params.BlockReward["0x0"] = hexutil.EncodeBig(ethash.FrontierBlockReward)
-
-	// Homestead
-	spec.Engine.Ethash.Params.HomesteadTransition = hexutil.Uint64(genesis.Config.HomesteadBlock.Uint64())
-
-	// Tangerine Whistle : 150
-	// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-608.md
-	spec.Params.EIP150Transition = hexutil.Uint64(genesis.Config.EIP150Block.Uint64())
-
-	// Spurious Dragon: 155, 160, 161, 170
-	// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-607.md
-	spec.Params.EIP155Transition = hexutil.Uint64(genesis.Config.EIP155Block.Uint64())
-	spec.Params.EIP160Transition = hexutil.Uint64(genesis.Config.EIP155Block.Uint64())
-	spec.Params.EIP161abcTransition = hexutil.Uint64(genesis.Config.EIP158Block.Uint64())
-	spec.Params.EIP161dTransition = hexutil.Uint64(genesis.Config.EIP158Block.Uint64())
-
-	// Byzantium
-	if num := genesis.Config.ByzantiumBlock; num != nil {
-		spec.setByzantium(num)
-	}
-	// Constantinople
-	if num := genesis.Config.ConstantinopleBlock; num != nil {
-		spec.setConstantinople(num)
-	}
-	// ConstantinopleFix (remove eip-1283)
-	if num := genesis.Config.PetersburgBlock; num != nil {
-		spec.setConstantinopleFix(num)
-	}
-	// Istanbul
-	if num := genesis.Config.IstanbulBlock; num != nil {
-		spec.setIstanbul(num)
-	}
-	spec.Params.MaximumExtraDataSize = (hexutil.Uint64)(params.MaximumExtraDataSize)
-	spec.Params.MinGasLimit = (hexutil.Uint64)(params.MinGasLimit)
-	spec.Params.GasLimitBoundDivisor = (math2.HexOrDecimal64)(params.GasLimitBoundDivisor)
-	spec.Params.NetworkID = (hexutil.Uint64)(genesis.Config.ChainID.Uint64())
-	spec.Params.ChainID = (hexutil.Uint64)(genesis.Config.ChainID.Uint64())
-	spec.Params.MaxCodeSize = params.MaxCodeSize
-	// geth has it set from zero
-	spec.Params.MaxCodeSizeTransition = 0
-
-	// Disable this one
-	spec.Params.EIP98Transition = math.MaxInt64
-
-	spec.Genesis.Seal.Ethereum.Nonce = types.EncodeNonce(genesis.Nonce)
-	spec.Genesis.Seal.Ethereum.MixHash = genesis.Mixhash[:]
-	spec.Genesis.Difficulty = (*hexutil.Big)(genesis.Difficulty)
-	spec.Genesis.Author = genesis.Coinbase
-	spec.Genesis.Timestamp = (hexutil.Uint64)(genesis.Timestamp)
-	spec.Genesis.ParentHash = genesis.ParentHash
-	spec.Genesis.ExtraData = genesis.ExtraData
-	spec.Genesis.GasLimit = (hexutil.Uint64)(genesis.GasLimit)
-
-	spec.Accounts = make(map[common.UnprefixedAddress]*parityChainSpecAccount)
-	for address, account := range genesis.Alloc {
-		bal := math2.HexOrDecimal256(*account.Balance)
-
-		spec.Accounts[common.UnprefixedAddress(address)] = &parityChainSpecAccount{
-			Balance: bal,
-			Nonce:   math2.HexOrDecimal64(account.Nonce),
-		}
-	}
-	spec.setPrecompile(1, &parityChainSpecBuiltin{Name: "ecrecover",
-		Pricing: &parityChainSpecPricing{Linear: &parityChainSpecLinearPricing{Base: 3000}}})
-
-	spec.setPrecompile(2, &parityChainSpecBuiltin{
-		Name: "sha256", Pricing: &parityChainSpecPricing{Linear: &parityChainSpecLinearPricing{Base: 60, Word: 12}},
-	})
-	spec.setPrecompile(3, &parityChainSpecBuiltin{
-		Name: "ripemd160", Pricing: &parityChainSpecPricing{Linear: &parityChainSpecLinearPricing{Base: 600, Word: 120}},
-	})
-	spec.setPrecompile(4, &parityChainSpecBuiltin{
-		Name: "identity", Pricing: &parityChainSpecPricing{Linear: &parityChainSpecLinearPricing{Base: 15, Word: 3}},
-	})
-	if genesis.Config.ByzantiumBlock != nil {
-		spec.setPrecompile(5, &parityChainSpecBuiltin{
-			Name:       "modexp",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: &parityChainSpecPricing{
-				ModExp: &parityChainSpecModExpPricing{Divisor: 20},
-			},
-		})
-		spec.setPrecompile(6, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_add",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: &parityChainSpecPricing{
-				Linear: &parityChainSpecLinearPricing{Base: 500, Word: 0},
-			},
-		})
-		spec.setPrecompile(7, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_mul",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: &parityChainSpecPricing{
-				Linear: &parityChainSpecLinearPricing{Base: 40000, Word: 0},
-			},
-		})
-		spec.setPrecompile(8, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_pairing",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: &parityChainSpecPricing{
-				AltBnPairing: &parityChainSepcAltBnPairingPricing{Base: 100000, Pair: 80000},
-			},
-		})
-	}
-	if genesis.Config.IstanbulBlock != nil {
-		if genesis.Config.ByzantiumBlock == nil {
-			return nil, errors.New("invalid genesis, istanbul fork is enabled while byzantium is not")
-		}
-		spec.setPrecompile(6, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_add",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: map[*hexutil.Big]*parityChainSpecVersionedPricing{
-				(*hexutil.Big)(big.NewInt(0)): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnConstOperationPrice: &parityChainSpecAltBnConstOperationPricing{Price: 500},
-					},
-				},
-				(*hexutil.Big)(genesis.Config.IstanbulBlock): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnConstOperationPrice: &parityChainSpecAltBnConstOperationPricing{Price: 150},
-					},
-				},
-			},
-		})
-		spec.setPrecompile(7, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_mul",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: map[*hexutil.Big]*parityChainSpecVersionedPricing{
-				(*hexutil.Big)(big.NewInt(0)): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnConstOperationPrice: &parityChainSpecAltBnConstOperationPricing{Price: 40000},
-					},
-				},
-				(*hexutil.Big)(genesis.Config.IstanbulBlock): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnConstOperationPrice: &parityChainSpecAltBnConstOperationPricing{Price: 6000},
-					},
-				},
-			},
-		})
-		spec.setPrecompile(8, &parityChainSpecBuiltin{
-			Name:       "alt_bn128_pairing",
-			ActivateAt: (*hexutil.Big)(genesis.Config.ByzantiumBlock),
-			Pricing: map[*hexutil.Big]*parityChainSpecVersionedPricing{
-				(*hexutil.Big)(big.NewInt(0)): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnPairingPrice: &parityChainSepcAltBnPairingPricing{Base: 100000, Pair: 80000},
-					},
-				},
-				(*hexutil.Big)(genesis.Config.IstanbulBlock): {
-					Price: &parityChainSpecAlternativePrice{
-						AltBnPairingPrice: &parityChainSepcAltBnPairingPricing{Base: 45000, Pair: 34000},
-					},
-				},
-			},
-		})
-		spec.setPrecompile(9, &parityChainSpecBuiltin{
-			Name:       "blake2_f",
-			ActivateAt: (*hexutil.Big)(genesis.Config.IstanbulBlock),
-			Pricing: &parityChainSpecPricing{
-				Blake2F: &parityChainSpecBlakePricing{GasPerRound: 1},
-			},
-		})
-	}
-	return spec, nil
-}
-
-func (spec *parityChainSpec) setPrecompile(address byte, data *parityChainSpecBuiltin) {
-	if spec.Accounts == nil {
-		spec.Accounts = make(map[common.UnprefixedAddress]*parityChainSpecAccount)
-	}
-	a := common.UnprefixedAddress(common.BytesToAddress([]byte{address}))
-	if _, exist := spec.Accounts[a]; !exist {
-		spec.Accounts[a] = &parityChainSpecAccount{}
-	}
-	spec.Accounts[a].Builtin = data
-}
-
-func (spec *parityChainSpec) setByzantium(num *big.Int) {
-	spec.Engine.Ethash.Params.BlockReward[hexutil.EncodeBig(num)] = hexutil.EncodeBig(ethash.ByzantiumBlockReward)
-	spec.Engine.Ethash.Params.DifficultyBombDelays[hexutil.EncodeBig(num)] = hexutil.EncodeUint64(3000000)
-	n := hexutil.Uint64(num.Uint64())
-	spec.Engine.Ethash.Params.EIP100bTransition = n
-	spec.Params.EIP140Transition = n
-	spec.Params.EIP211Transition = n
-	spec.Params.EIP214Transition = n
-	spec.Params.EIP658Transition = n
-}
-
-func (spec *parityChainSpec) setConstantinople(num *big.Int) {
-	spec.Engine.Ethash.Params.BlockReward[hexutil.EncodeBig(num)] = hexutil.EncodeBig(ethash.ConstantinopleBlockReward)
-	spec.Engine.Ethash.Params.DifficultyBombDelays[hexutil.EncodeBig(num)] = hexutil.EncodeUint64(2000000)
-	n := hexutil.Uint64(num.Uint64())
-	spec.Params.EIP145Transition = n
-	spec.Params.EIP1014Transition = n
-	spec.Params.EIP1052Transition = n
-	spec.Params.EIP1283Transition = n
-}
-
-func (spec *parityChainSpec) setConstantinopleFix(num *big.Int) {
-	spec.Params.EIP1283DisableTransition = hexutil.Uint64(num.Uint64())
-}
-
-func (spec *parityChainSpec) setIstanbul(num *big.Int) {
-	spec.Params.EIP1344Transition = hexutil.Uint64(num.Uint64())
-	spec.Params.EIP1884Transition = hexutil.Uint64(num.Uint64())
-	spec.Params.EIP2028Transition = hexutil.Uint64(num.Uint64())
-	spec.Params.EIP1283ReenableTransition = hexutil.Uint64(num.Uint64())
-}
-
-// pyEthereumGenesisSpec represents the genesis specification format used by the
-// Python Ethereum implementation.
-type pyEthereumGenesisSpec struct {
-	Nonce      types.BlockNonce  `json:"nonce"`
-	Timestamp  hexutil.Uint64    `json:"timestamp"`
-	ExtraData  hexutil.Bytes     `json:"extraData"`
-	GasLimit   hexutil.Uint64    `json:"gasLimit"`
-	Difficulty *hexutil.Big      `json:"difficulty"`
-	Mixhash    common.Hash       `json:"mixhash"`
-	Coinbase   common.Address    `json:"coinbase"`
-	Alloc      core.GenesisAlloc `json:"alloc"`
-	ParentHash common.Hash       `json:"parentHash"`
-}
-
-// newPyEthereumGenesisSpec converts a go-ethereum genesis block into a Parity specific
-// chain specification format.
-func newPyEthereumGenesisSpec(network string, genesis *core.Genesis) (*pyEthereumGenesisSpec, error) {
-	// Only ethash is currently supported between go-ethereum and pyethereum
-	if genesis.Config.Ethash == nil {
-		return nil, errors.New("unsupported consensus engine")
-	}
-	spec := &pyEthereumGenesisSpec{
-		Nonce:      types.EncodeNonce(genesis.Nonce),
-		Timestamp:  (hexutil.Uint64)(genesis.Timestamp),
-		ExtraData:  genesis.ExtraData,
-		GasLimit:   (hexutil.Uint64)(genesis.GasLimit),
-		Difficulty: (*hexutil.Big)(genesis.Difficulty),
-		Mixhash:    genesis.Mixhash,
-		Coinbase:   genesis.Coinbase,
-		Alloc:      genesis.Alloc,
-		ParentHash: genesis.ParentHash,
-	}
-	return spec, nil
-}

cmd/puppeth/genesis_test.go

@@ -1,95 +0,0 @@
-// Copyright 2018 The go-ethereum Authors
-// This file is part of go-ethereum.
-//
-// go-ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// go-ethereum 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
-
-package main
-
-import (
-	"bytes"
-	"encoding/json"
-	"os"
-	"reflect"
-	"strings"
-	"testing"
-
-	"github.com/davecgh/go-spew/spew"
-	"github.com/ethereum/go-ethereum/core"
-)
-
-// Tests the go-ethereum to Aleth chainspec conversion for the Stureby testnet.
-func TestAlethSturebyConverter(t *testing.T) {
-	blob, err := os.ReadFile("testdata/stureby_geth.json")
-	if err != nil {
-		t.Fatalf("could not read file: %v", err)
-	}
-	var genesis core.Genesis
-	if err := json.Unmarshal(blob, &genesis); err != nil {
-		t.Fatalf("failed parsing genesis: %v", err)
-	}
-	spec, err := newAlethGenesisSpec("stureby", &genesis)
-	if err != nil {
-		t.Fatalf("failed creating chainspec: %v", err)
-	}
-
-	expBlob, err := os.ReadFile("testdata/stureby_aleth.json")
-	if err != nil {
-		t.Fatalf("could not read file: %v", err)
-	}
-	expspec := &alethGenesisSpec{}
-	if err := json.Unmarshal(expBlob, expspec); err != nil {
-		t.Fatalf("failed parsing genesis: %v", err)
-	}
-	if !reflect.DeepEqual(expspec, spec) {
-		t.Errorf("chainspec mismatch")
-		c := spew.ConfigState{
-			DisablePointerAddresses: true,
-			SortKeys:                true,
-		}
-		exp := strings.Split(c.Sdump(expspec), "\n")
-		got := strings.Split(c.Sdump(spec), "\n")
-		for i := 0; i < len(exp) && i < len(got); i++ {
-			if exp[i] != got[i] {
-				t.Logf("got: %v\nexp: %v\n", exp[i], got[i])
-			}
-		}
-	}
-}
-
-// Tests the go-ethereum to Parity chainspec conversion for the Stureby testnet.
-func TestParitySturebyConverter(t *testing.T) {
-	blob, err := os.ReadFile("testdata/stureby_geth.json")
-	if err != nil {
-		t.Fatalf("could not read file: %v", err)
-	}
-	var genesis core.Genesis
-	if err := json.Unmarshal(blob, &genesis); err != nil {
-		t.Fatalf("failed parsing genesis: %v", err)
-	}
-	spec, err := newParityChainSpec("stureby", &genesis, []string{})
-	if err != nil {
-		t.Fatalf("failed creating chainspec: %v", err)
-	}
-	enc, err := json.MarshalIndent(spec, "", "  ")
-	if err != nil {
-		t.Fatalf("failed encoding chainspec: %v", err)
-	}
-	expBlob, err := os.ReadFile("testdata/stureby_parity.json")
-	if err != nil {
-		t.Fatalf("could not read file: %v", err)
-	}
-	if !bytes.Equal(expBlob, enc) {
-		t.Fatalf("chainspec mismatch")
-	}
-}

cmd/puppeth/module_dashboard.go

@@ -18,7 +18,6 @@ package main
 
 import (
 	"bytes"
-	"encoding/json"
 	"fmt"
 	"html/template"
 	"math/rand"
@@ -582,36 +581,6 @@ func deployDashboard(client *sshClient, network string, conf *config, config *da
 	// Marshal the genesis spec files for go-ethereum and all the other clients
 	genesis, _ := conf.Genesis.MarshalJSON()
 	files[filepath.Join(workdir, network+".json")] = genesis
-
-	if conf.Genesis.Config.Ethash != nil {
-		cppSpec, err := newAlethGenesisSpec(network, conf.Genesis)
-		if err != nil {
-			return nil, err
-		}
-		cppSpecJSON, _ := json.Marshal(cppSpec)
-		files[filepath.Join(workdir, network+"-cpp.json")] = cppSpecJSON
-
-		harmonySpecJSON, _ := conf.Genesis.MarshalJSON()
-		files[filepath.Join(workdir, network+"-harmony.json")] = harmonySpecJSON
-
-		paritySpec, err := newParityChainSpec(network, conf.Genesis, conf.bootnodes)
-		if err != nil {
-			return nil, err
-		}
-		paritySpecJSON, _ := json.Marshal(paritySpec)
-		files[filepath.Join(workdir, network+"-parity.json")] = paritySpecJSON
-
-		pyethSpec, err := newPyEthereumGenesisSpec(network, conf.Genesis)
-		if err != nil {
-			return nil, err
-		}
-		pyethSpecJSON, _ := json.Marshal(pyethSpec)
-		files[filepath.Join(workdir, network+"-python.json")] = pyethSpecJSON
-	} else {
-		for _, client := range []string{"cpp", "harmony", "parity", "python"} {
-			files[filepath.Join(workdir, network+"-"+client+".json")] = []byte{}
-		}
-	}
 	files[filepath.Join(workdir, "puppeth.png")] = dashboardMascot
 
 	// Upload the deployment files to the remote server (and clean up afterwards)

cmd/puppeth/puppeth.go

@@ -24,7 +24,7 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/log"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 // main is just a boring entry point to set up the CLI app.
@@ -33,11 +33,11 @@ func main() {
 	app.Name = "puppeth"
 	app.Usage = "assemble and maintain private Ethereum networks"
 	app.Flags = []cli.Flag{
-		cli.StringFlag{
+		&cli.StringFlag{
 			Name:  "network",
 			Usage: "name of the network to administer (no spaces or hyphens, please)",
 		},
-		cli.IntFlag{
+		&cli.IntFlag{
 			Name:  "loglevel",
 			Value: 3,
 			Usage: "log level to emit to the screen",

cmd/puppeth/wizard_genesis.go

@@ -250,8 +250,8 @@ func (w *wizard) manageGenesis() {
 	case "2":
 		// Save whatever genesis configuration we currently have
 		fmt.Println()
-		fmt.Printf("Which folder to save the genesis specs into? (default = current)\n")
-		fmt.Printf("  Will create %s.json, %s-aleth.json, %s-harmony.json, %s-parity.json\n", w.network, w.network, w.network, w.network)
+		fmt.Printf("Which folder to save the genesis spec into? (default = current)\n")
+		fmt.Printf("  Will create %s.json\n", w.network)
 
 		folder := w.readDefaultString(".")
 		if err := os.MkdirAll(folder, 0755); err != nil {
@@ -268,21 +268,6 @@ func (w *wizard) manageGenesis() {
 		}
 		log.Info("Saved native genesis chain spec", "path", gethJson)
 
-		// Export the genesis spec used by Aleth (formerly C++ Ethereum)
-		if spec, err := newAlethGenesisSpec(w.network, w.conf.Genesis); err != nil {
-			log.Error("Failed to create Aleth chain spec", "err", err)
-		} else {
-			saveGenesis(folder, w.network, "aleth", spec)
-		}
-		// Export the genesis spec used by Parity
-		if spec, err := newParityChainSpec(w.network, w.conf.Genesis, []string{}); err != nil {
-			log.Error("Failed to create Parity chain spec", "err", err)
-		} else {
-			saveGenesis(folder, w.network, "parity", spec)
-		}
-		// Export the genesis spec used by Harmony (formerly EthereumJ)
-		saveGenesis(folder, w.network, "harmony", w.conf.Genesis)
-
 	case "3":
 		// Make sure we don't have any services running
 		if len(w.conf.servers()) > 0 {
@@ -298,15 +283,3 @@ func (w *wizard) manageGenesis() {
 		return
 	}
 }
-
-// saveGenesis JSON encodes an arbitrary genesis spec into a pre-defined file.
-func saveGenesis(folder, network, client string, spec interface{}) {
-	path := filepath.Join(folder, fmt.Sprintf("%s-%s.json", network, client))
-
-	out, _ := json.MarshalIndent(spec, "", "  ")
-	if err := os.WriteFile(path, out, 0644); err != nil {
-		log.Error("Failed to save genesis file", "client", client, "err", err)
-		return
-	}
-	log.Info("Saved genesis chain spec", "client", client, "path", path)
-}

cmd/rlpdump/main.go

@@ -83,7 +83,7 @@ func main() {
 		if err != nil {
 			die(err)
 		}
-		fmt.Printf("0x%x\n", data)
+		fmt.Printf("%#x\n", data)
 		return
 	} else {
 		err := rlpToText(r, out)

cmd/rlpdump/rlpdump_test.go

@@ -43,7 +43,7 @@ func TestRoundtrip(t *testing.T) {
 			t.Errorf("test %d: error %v", i, err)
 			continue
 		}
-		have := fmt.Sprintf("0x%x", rlpBytes)
+		have := fmt.Sprintf("%#x", rlpBytes)
 		if have != want {
 			t.Errorf("test %d: have\n%v\nwant:\n%v\n", i, have, want)
 		}

cmd/utils/cmd.go

@@ -41,7 +41,7 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rlp"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/urfave/cli/v2"
 )
 
 const (
@@ -78,10 +78,10 @@ func StartNode(ctx *cli.Context, stack *node.Node, isConsole bool) {
 		defer signal.Stop(sigc)
 
 		minFreeDiskSpace := 2 * ethconfig.Defaults.TrieDirtyCache // Default 2 * 256Mb
-		if ctx.GlobalIsSet(MinFreeDiskSpaceFlag.Name) {
-			minFreeDiskSpace = ctx.GlobalInt(MinFreeDiskSpaceFlag.Name)
-		} else if ctx.GlobalIsSet(CacheFlag.Name) || ctx.GlobalIsSet(CacheGCFlag.Name) {
-			minFreeDiskSpace = 2 * ctx.GlobalInt(CacheFlag.Name) * ctx.GlobalInt(CacheGCFlag.Name) / 100
+		if ctx.IsSet(MinFreeDiskSpaceFlag.Name) {
+			minFreeDiskSpace = ctx.Int(MinFreeDiskSpaceFlag.Name)
+		} else if ctx.IsSet(CacheFlag.Name) || ctx.IsSet(CacheGCFlag.Name) {
+			minFreeDiskSpace = 2 * ctx.Int(CacheFlag.Name) * ctx.Int(CacheGCFlag.Name) / 100
 		}
 		if minFreeDiskSpace > 0 {
 			go monitorFreeDiskSpace(sigc, stack.InstanceDir(), uint64(minFreeDiskSpace)*1024*1024)

cmd/utils/customflags.go

@@ -1,211 +0,0 @@
-// Copyright 2015 The go-ethereum Authors
-// This file is part of go-ethereum.
-//
-// go-ethereum is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// go-ethereum 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 General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
-
-package utils
-
-import (
-	"encoding"
-	"errors"
-	"flag"
-	"math/big"
-	"os"
-	"os/user"
-	"path"
-	"strings"
-
-	"github.com/ethereum/go-ethereum/common/math"
-	"gopkg.in/urfave/cli.v1"
-)
-
-// Custom type which is registered in the flags library which cli uses for
-// argument parsing. This allows us to expand Value to an absolute path when
-// the argument is parsed
-type DirectoryString string
-
-func (s *DirectoryString) String() string {
-	return string(*s)
-}
-
-func (s *DirectoryString) Set(value string) error {
-	*s = DirectoryString(expandPath(value))
-	return nil
-}
-
-// Custom cli.Flag type which expand the received string to an absolute path.
-// e.g. ~/.ethereum -> /home/username/.ethereum
-type DirectoryFlag struct {
-	Name   string
-	Value  DirectoryString
-	Usage  string
-	EnvVar string
-}
-
-func (f DirectoryFlag) String() string {
-	return cli.FlagStringer(f)
-}
-
-// called by cli library, grabs variable from environment (if in env)
-// and adds variable to flag set for parsing.
-func (f DirectoryFlag) Apply(set *flag.FlagSet) {
-	eachName(f.Name, func(name string) {
-		set.Var(&f.Value, f.Name, f.Usage)
-	})
-}
-
-func (f DirectoryFlag) GetName() string {
-	return f.Name
-}
-
-func (f *DirectoryFlag) Set(value string) {
-	f.Value.Set(value)
-}
-
-func eachName(longName string, fn func(string)) {
-	parts := strings.Split(longName, ",")
-	for _, name := range parts {
-		name = strings.Trim(name, " ")
-		fn(name)
-	}
-}
-
-type TextMarshaler interface {
-	encoding.TextMarshaler
-	encoding.TextUnmarshaler
-}
-
-// textMarshalerVal turns a TextMarshaler into a flag.Value
-type textMarshalerVal struct {
-	v TextMarshaler
-}
-
-func (v textMarshalerVal) String() string {
-	if v.v == nil {
-		return ""
-	}
-	text, _ := v.v.MarshalText()
-	return string(text)
-}
-
-func (v textMarshalerVal) Set(s string) error {
-	return v.v.UnmarshalText([]byte(s))
-}
-
-// TextMarshalerFlag wraps a TextMarshaler value.
-type TextMarshalerFlag struct {
-	Name   string
-	Value  TextMarshaler
-	Usage  string
-	EnvVar string
-}
-
-func (f TextMarshalerFlag) GetName() string {
-	return f.Name
-}
-
-func (f TextMarshalerFlag) String() string {
-	return cli.FlagStringer(f)
-}
-
-func (f TextMarshalerFlag) Apply(set *flag.FlagSet) {
-	eachName(f.Name, func(name string) {
-		set.Var(textMarshalerVal{f.Value}, f.Name, f.Usage)
-	})
-}
-
-// GlobalTextMarshaler returns the value of a TextMarshalerFlag from the global flag set.
-func GlobalTextMarshaler(ctx *cli.Context, name string) TextMarshaler {
-	val := ctx.GlobalGeneric(name)
-	if val == nil {
-		return nil
-	}
-	return val.(textMarshalerVal).v
-}
-
-// BigFlag is a command line flag that accepts 256 bit big integers in decimal or
-// hexadecimal syntax.
-type BigFlag struct {
-	Name   string
-	Value  *big.Int
-	Usage  string
-	EnvVar string
-}
-
-// bigValue turns *big.Int into a flag.Value
-type bigValue big.Int
-
-func (b *bigValue) String() string {
-	if b == nil {
-		return ""
-	}
-	return (*big.Int)(b).String()
-}
-
-func (b *bigValue) Set(s string) error {
-	intVal, ok := math.ParseBig256(s)
-	if !ok {
-		return errors.New("invalid integer syntax")
-	}
-	*b = (bigValue)(*intVal)
-	return nil
-}
-
-func (f BigFlag) GetName() string {
-	return f.Name
-}
-
-func (f BigFlag) String() string {
-	return cli.FlagStringer(f)
-}
-
-func (f BigFlag) Apply(set *flag.FlagSet) {
-	eachName(f.Name, func(name string) {
-		f.Value = new(big.Int)
-		set.Var((*bigValue)(f.Value), f.Name, f.Usage)
-	})
-}
-
-// GlobalBig returns the value of a BigFlag from the global flag set.
-func GlobalBig(ctx *cli.Context, name string) *big.Int {
-	val := ctx.GlobalGeneric(name)
-	if val == nil {
-		return nil
-	}
-	return (*big.Int)(val.(*bigValue))
-}
-
-// Expands a file path
-// 1. replace tilde with users home dir
-// 2. expands embedded environment variables
-// 3. cleans the path, e.g. /a/b/../c -> /a/c
-// Note, it has limitations, e.g. ~someuser/tmp will not be expanded
-func expandPath(p string) string {
-	if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
-		if home := HomeDir(); home != "" {
-			p = home + p[1:]
-		}
-	}
-	return path.Clean(os.ExpandEnv(p))
-}
-
-func HomeDir() string {
-	if home := os.Getenv("HOME"); home != "" {
-		return home
-	}
-	if usr, err := user.Current(); err == nil {
-		return usr.HomeDir
-	}
-	return ""
-}

cmd/utils/flags_legacy.go

@@ -20,15 +20,15 @@ import (
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
-	"gopkg.in/urfave/cli.v1"
+	"github.com/ethereum/go-ethereum/internal/flags"
+	"github.com/urfave/cli/v2"
 )
 
-var ShowDeprecated = cli.Command{
+var ShowDeprecated = &cli.Command{
 	Action:      showDeprecated,
 	Name:        "show-deprecated-flags",
 	Usage:       "Show flags that have been deprecated",
 	ArgsUsage:   " ",
-	Category:    "MISCELLANEOUS COMMANDS",
 	Description: "Show flags that have been deprecated and will soon be removed",
 }
 
@@ -39,20 +39,22 @@ var DeprecatedFlags = []cli.Flag{
 
 var (
 	// (Deprecated May 2020, shown in aliased flags section)
-	NoUSBFlag = cli.BoolFlag{
-		Name:  "nousb",
-		Usage: "Disables monitoring for and managing USB hardware wallets (deprecated)",
+	NoUSBFlag = &cli.BoolFlag{
+		Name:     "nousb",
+		Usage:    "Disables monitoring for and managing USB hardware wallets (deprecated)",
+		Category: flags.DeprecatedCategory,
 	}
 	// (Deprecated July 2021, shown in aliased flags section)
-	LegacyMinerGasTargetFlag = cli.Uint64Flag{
-		Name:  "miner.gastarget",
-		Usage: "Target gas floor for mined blocks (deprecated)",
-		Value: ethconfig.Defaults.Miner.GasFloor,
+	LegacyMinerGasTargetFlag = &cli.Uint64Flag{
+		Name:     "miner.gastarget",
+		Usage:    "Target gas floor for mined blocks (deprecated)",
+		Value:    ethconfig.Defaults.Miner.GasFloor,
+		Category: flags.DeprecatedCategory,
 	}
 )
 
 // showDeprecated displays deprecated flags that will be soon removed from the codebase.
-func showDeprecated(*cli.Context) {
+func showDeprecated(*cli.Context) error {
 	fmt.Println("--------------------------------------------------------------------")
 	fmt.Println("The following flags are deprecated and will be removed in the future!")
 	fmt.Println("--------------------------------------------------------------------")
@@ -61,4 +63,5 @@ func showDeprecated(*cli.Context) {
 		fmt.Println(flag.String())
 	}
 	fmt.Println()
+	return nil
 }

common/fdlimit/fdlimit_test.go

@@ -17,7 +17,6 @@
 package fdlimit
 
 import (
-	"fmt"
 	"testing"
 )
 
@@ -30,7 +29,7 @@ func TestFileDescriptorLimits(t *testing.T) {
 		t.Fatal(err)
 	}
 	if hardlimit < target {
-		t.Skip(fmt.Sprintf("system limit is less than desired test target: %d < %d", hardlimit, target))
+		t.Skipf("system limit is less than desired test target: %d < %d", hardlimit, target)
 	}
 
 	if limit, err := Current(); err != nil || limit <= 0 {

common/math/big_test.go

@@ -171,7 +171,6 @@ func BenchmarkByteAt(b *testing.B) {
 }
 
 func BenchmarkByteAtOld(b *testing.B) {
-
 	bigint := MustParseBig256("0x18F8F8F1000111000110011100222004330052300000000000000000FEFCF3CC")
 	for i := 0; i < b.N; i++ {
 		PaddedBigBytes(bigint, 32)
@@ -244,7 +243,6 @@ func TestBigEndianByteAt(t *testing.T) {
 		if actual != test.exp {
 			t.Fatalf("Expected  [%v] %v:th byte to be %v, was %v.", test.x, test.y, test.exp, actual)
 		}
-
 	}
 }
 func TestLittleEndianByteAt(t *testing.T) {
@@ -277,7 +275,6 @@ func TestLittleEndianByteAt(t *testing.T) {
 		if actual != test.exp {
 			t.Fatalf("Expected  [%v] %v:th byte to be %v, was %v.", test.x, test.y, test.exp, actual)
 		}
-
 	}
 }
 

common/prque/lazyqueue.go

@@ -163,7 +163,7 @@ func (q *LazyQueue) PopItem() interface{} {
 	return i
 }
 
-// Remove removes removes the item with the given index.
+// Remove removes the item with the given index.
 func (q *LazyQueue) Remove(index int) interface{} {
 	if index < 0 {
 		return nil

common/size_test.go

@@ -25,6 +25,8 @@ func TestStorageSizeString(t *testing.T) {
 		size StorageSize
 		str  string
 	}{
+		{2839274474874, "2.58 TiB"},
+		{2458492810, "2.29 GiB"},
 		{2381273, "2.27 MiB"},
 		{2192, "2.14 KiB"},
 		{12, "12.00 B"},
@@ -36,3 +38,22 @@ func TestStorageSizeString(t *testing.T) {
 		}
 	}
 }
+
+func TestStorageSizeTerminalString(t *testing.T) {
+	tests := []struct {
+		size StorageSize
+		str  string
+	}{
+		{2839274474874, "2.58TiB"},
+		{2458492810, "2.29GiB"},
+		{2381273, "2.27MiB"},
+		{2192, "2.14KiB"},
+		{12, "12.00B"},
+	}
+
+	for _, test := range tests {
+		if test.size.TerminalString() != test.str {
+			t.Errorf("%f: got %q, want %q", float64(test.size), test.size.TerminalString(), test.str)
+		}
+	}
+}

common/types_test.go

@@ -155,7 +155,6 @@ func BenchmarkAddressHex(b *testing.B) {
 }
 
 func TestMixedcaseAccount_Address(t *testing.T) {
-
 	// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md
 	// Note: 0X{checksum_addr} is not valid according to spec above
 
@@ -192,9 +191,7 @@ func TestMixedcaseAccount_Address(t *testing.T) {
 		if err := json.Unmarshal([]byte(r), &r2); err == nil {
 			t.Errorf("Expected failure, input %v", r)
 		}
-
 	}
-
 }
 
 func TestHash_Scan(t *testing.T) {

consensus/beacon/consensus.go

@@ -45,6 +45,7 @@ var (
 	errTooManyUncles    = errors.New("too many uncles")
 	errInvalidNonce     = errors.New("invalid nonce")
 	errInvalidUncleHash = errors.New("invalid uncle hash")
+	errInvalidTimestamp = errors.New("invalid timestamp")
 )
 
 // Beacon is a consensus engine that combines the eth1 consensus and proof-of-stake
@@ -112,10 +113,12 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
 			break
 		}
 	}
+
 	// All the headers have passed the transition point, use new rules.
 	if len(preHeaders) == 0 {
 		return beacon.verifyHeaders(chain, headers, nil)
 	}
+
 	// The transition point exists in the middle, separate the headers
 	// into two batches and apply different verification rules for them.
 	var (
@@ -130,6 +133,14 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
 			oldDone, oldResult = beacon.ethone.VerifyHeaders(chain, preHeaders, preSeals)
 			newDone, newResult = beacon.verifyHeaders(chain, postHeaders, preHeaders[len(preHeaders)-1])
 		)
+		// Verify that pre-merge headers don't overflow the TTD
+		if index, err := verifyTerminalPoWBlock(chain, preHeaders); err != nil {
+			// Mark all subsequent pow headers with the error.
+			for i := index; i < len(preHeaders); i++ {
+				errors[i], done[i] = err, true
+			}
+		}
+		// Collect the results
 		for {
 			for ; done[out]; out++ {
 				results <- errors[out]
@@ -139,7 +150,9 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
 			}
 			select {
 			case err := <-oldResult:
-				errors[old], done[old] = err, true
+				if !done[old] { // skip TTD-verified failures
+					errors[old], done[old] = err, true
+				}
 				old++
 			case err := <-newResult:
 				errors[new], done[new] = err, true
@@ -154,6 +167,33 @@ func (beacon *Beacon) VerifyHeaders(chain consensus.ChainHeaderReader, headers [
 	return abort, results
 }
 
+// verifyTerminalPoWBlock verifies that the preHeaders conform to the specification
+// wrt. their total difficulty.
+// It expects:
+// - preHeaders to be at least 1 element
+// - the parent of the header element to be stored in the chain correctly
+// - the preHeaders to have a set difficulty
+// - the last element to be the terminal block
+func verifyTerminalPoWBlock(chain consensus.ChainHeaderReader, preHeaders []*types.Header) (int, error) {
+	td := chain.GetTd(preHeaders[0].ParentHash, preHeaders[0].Number.Uint64()-1)
+	if td == nil {
+		return 0, consensus.ErrUnknownAncestor
+	}
+	td = new(big.Int).Set(td)
+	// Check that all blocks before the last one are below the TTD
+	for i, head := range preHeaders {
+		if td.Cmp(chain.Config().TerminalTotalDifficulty) >= 0 {
+			return i, consensus.ErrInvalidTerminalBlock
+		}
+		td.Add(td, head.Difficulty)
+	}
+	// Check that the last block is the terminal block
+	if td.Cmp(chain.Config().TerminalTotalDifficulty) < 0 {
+		return len(preHeaders) - 1, consensus.ErrInvalidTerminalBlock
+	}
+	return 0, nil
+}
+
 // VerifyUncles verifies that the given block's uncles conform to the consensus
 // rules of the Ethereum consensus engine.
 func (beacon *Beacon) VerifyUncles(chain consensus.ChainReader, block *types.Block) error {
@@ -174,7 +214,7 @@ func (beacon *Beacon) VerifyUncles(chain consensus.ChainReader, block *types.Blo
 // 	   - nonce is expected to be 0
 //     - unclehash is expected to be Hash(emptyHeader)
 //     to be the desired constants
-// (b) the timestamp is not verified anymore
+// (b) we don't verify if a block is in the future anymore
 // (c) the extradata is limited to 32 bytes
 func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header) error {
 	// Ensure that the header's extra-data section is of a reasonable size
@@ -188,6 +228,10 @@ func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, pa
 	if header.UncleHash != types.EmptyUncleHash {
 		return errInvalidUncleHash
 	}
+	// Verify the timestamp
+	if header.Time <= parent.Time {
+		return errInvalidTimestamp
+	}
 	// Verify the block's difficulty to ensure it's the default constant
 	if beaconDifficulty.Cmp(header.Difficulty) != 0 {
 		return fmt.Errorf("invalid difficulty: have %v, want %v", header.Difficulty, beaconDifficulty)

consensus/beacon/consensus_test.go

@@ -0,0 +1,137 @@
+package beacon
+
+import (
+	"fmt"
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/consensus"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/params"
+)
+
+type mockChain struct {
+	config *params.ChainConfig
+	tds    map[uint64]*big.Int
+}
+
+func newMockChain() *mockChain {
+	return &mockChain{
+		config: new(params.ChainConfig),
+		tds:    make(map[uint64]*big.Int),
+	}
+}
+
+func (m *mockChain) Config() *params.ChainConfig {
+	return m.config
+}
+
+func (m *mockChain) CurrentHeader() *types.Header { panic("not implemented") }
+
+func (m *mockChain) GetHeader(hash common.Hash, number uint64) *types.Header {
+	panic("not implemented")
+}
+
+func (m *mockChain) GetHeaderByNumber(number uint64) *types.Header { panic("not implemented") }
+
+func (m *mockChain) GetHeaderByHash(hash common.Hash) *types.Header { panic("not implemented") }
+
+func (m *mockChain) GetTd(hash common.Hash, number uint64) *big.Int {
+	num, ok := m.tds[number]
+	if ok {
+		return new(big.Int).Set(num)
+	}
+	return nil
+}
+
+func TestVerifyTerminalBlock(t *testing.T) {
+	chain := newMockChain()
+	chain.tds[0] = big.NewInt(10)
+	chain.config.TerminalTotalDifficulty = big.NewInt(50)
+
+	tests := []struct {
+		preHeaders []*types.Header
+		ttd        *big.Int
+		err        error
+		index      int
+	}{
+		// valid ttd
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(1), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(2), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(3), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(4), Difficulty: big.NewInt(10)},
+			},
+			ttd: big.NewInt(50),
+		},
+		// last block doesn't reach ttd
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(1), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(2), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(3), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(4), Difficulty: big.NewInt(9)},
+			},
+			ttd:   big.NewInt(50),
+			err:   consensus.ErrInvalidTerminalBlock,
+			index: 3,
+		},
+		// two blocks reach ttd
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(1), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(2), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(3), Difficulty: big.NewInt(20)},
+				{Number: big.NewInt(4), Difficulty: big.NewInt(10)},
+			},
+			ttd:   big.NewInt(50),
+			err:   consensus.ErrInvalidTerminalBlock,
+			index: 3,
+		},
+		// three blocks reach ttd
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(1), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(2), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(3), Difficulty: big.NewInt(20)},
+				{Number: big.NewInt(4), Difficulty: big.NewInt(10)},
+				{Number: big.NewInt(4), Difficulty: big.NewInt(10)},
+			},
+			ttd:   big.NewInt(50),
+			err:   consensus.ErrInvalidTerminalBlock,
+			index: 3,
+		},
+		// parent reached ttd
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(1), Difficulty: big.NewInt(10)},
+			},
+			ttd:   big.NewInt(9),
+			err:   consensus.ErrInvalidTerminalBlock,
+			index: 0,
+		},
+		// unknown parent
+		{
+			preHeaders: []*types.Header{
+				{Number: big.NewInt(4), Difficulty: big.NewInt(10)},
+			},
+			ttd:   big.NewInt(9),
+			err:   consensus.ErrUnknownAncestor,
+			index: 0,
+		},
+	}
+
+	for i, test := range tests {
+		fmt.Printf("Test: %v\n", i)
+		chain.config.TerminalTotalDifficulty = test.ttd
+		index, err := verifyTerminalPoWBlock(chain, test.preHeaders)
+		if err != test.err {
+			t.Fatalf("Invalid error encountered, expected %v got %v", test.err, err)
+		}
+		if index != test.index {
+			t.Fatalf("Invalid index, expected %v got %v", test.index, index)
+		}
+	}
+}

consensus/clique/clique.go

@@ -697,9 +697,7 @@ func (c *Clique) Close() error {
 func (c *Clique) APIs(chain consensus.ChainHeaderReader) []rpc.API {
 	return []rpc.API{{
 		Namespace: "clique",
-		Version:   "1.0",
 		Service:   &API{chain: chain, clique: c},
-		Public:    false,
 	}}
 }
 

consensus/errors.go

@@ -34,4 +34,8 @@ var (
 	// ErrInvalidNumber is returned if a block's number doesn't equal its parent's
 	// plus one.
 	ErrInvalidNumber = errors.New("invalid block number")
+
+	// ErrInvalidTerminalBlock is returned if a block is invalid wrt. the terminal
+	// total difficulty.
+	ErrInvalidTerminalBlock = errors.New("invalid terminal block")
 )

consensus/ethash/ethash.go

@@ -678,15 +678,11 @@ func (ethash *Ethash) APIs(chain consensus.ChainHeaderReader) []rpc.API {
 	return []rpc.API{
 		{
 			Namespace: "eth",
-			Version:   "1.0",
 			Service:   &API{ethash},
-			Public:    true,
 		},
 		{
 			Namespace: "ethash",
-			Version:   "1.0",
 			Service:   &API{ethash},
-			Public:    true,
 		},
 	}
 }