Pulsechain Ethereum Patch #3

Author: andrewbx

README.md

@@ -115,15 +115,6 @@ use separate accounts for play and real money. Unless you manually move
 accounts, `geth` will by default correctly separate the two networks and will not make any
 accounts available between them.*
 
-### Full node on the Rinkeby test network
-
-Go-Pulse also supports connecting to the older proof-of-authority based test network
-called [*Rinkeby*](https://www.rinkeby.io) which is operated by members of the community.
-
-```shell
-$ geth --rinkeby console
-```
-
 ### **Full node on PulseChain Testnet V4**
 
 To connect to the PulseChain Testnet V4:

accounts/abi/bind/backend.go

@@ -29,7 +29,7 @@ import (
 var (
 	// ErrNoCode is returned by call and transact operations for which the requested
 	// recipient contract to operate on does not exist in the state db or does not
-	// have any code associated with it (i.e. suicided).
+	// have any code associated with it (i.e. self-destructed).
 	ErrNoCode = errors.New("no contract code at given address")
 
 	// ErrNoPendingState is raised when attempting to perform a pending state action

accounts/abi/bind/backends/simulated.go

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

accounts/abi/bind/backends/simulated_test.go

@@ -161,6 +161,7 @@ func TestAdjustTime(t *testing.T) {
 func TestNewAdjustTimeFail(t *testing.T) {
 	testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
 	sim := simTestBackend(testAddr)
+	defer sim.blockchain.Stop()
 
 	// Create tx and send
 	head, _ := sim.HeaderByNumber(context.Background(), nil) // Should be child's, good enough

accounts/abi/bind/template.go

@@ -325,7 +325,7 @@ var (
 			if err != nil {
 				return *outstruct, err
 			}
-			{{range $i, $t := .Normalized.Outputs}} 
+			{{range $i, $t := .Normalized.Outputs}}
 			outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
 
 			return *outstruct, err
@@ -335,7 +335,7 @@ var (
 			}
 			{{range $i, $t := .Normalized.Outputs}}
 			out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
-			
+
 			return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err
 			{{end}}
 		}
@@ -378,7 +378,7 @@ var (
 		}
 	{{end}}
 
-	{{if .Fallback}} 
+	{{if .Fallback}}
 		// Fallback is a paid mutator transaction binding the contract fallback function.
 		//
 		// Solidity: {{.Fallback.Original.String}}
@@ -392,16 +392,16 @@ var (
 		func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
 		}
-	
+
 		// Fallback is a paid mutator transaction binding the contract fallback function.
-		// 
+		//
 		// Solidity: {{.Fallback.Original.String}}
 		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
 		}
 	{{end}}
 
-	{{if .Receive}} 
+	{{if .Receive}}
 		// Receive is a paid mutator transaction binding the contract receive function.
 		//
 		// Solidity: {{.Receive.Original.String}}
@@ -415,9 +415,9 @@ var (
 		func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)
 		}
-	
+
 		// Receive is a paid mutator transaction binding the contract receive function.
-		// 
+		//
 		// Solidity: {{.Receive.Original.String}}
 		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) {
 		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)

accounts/abi/error.go

@@ -32,7 +32,7 @@ type Error struct {
 	str    string
 
 	// Sig contains the string signature according to the ABI spec.
-	// e.g.	 error foo(uint32 a, int b) = "foo(uint32,int256)"
+	// e.g. error foo(uint32 a, int b) = "foo(uint32,int256)"
 	// Please note that "int" is substitute for its canonical representation "int256"
 	Sig string
 

accounts/abi/reflect.go

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

accounts/abi/selector_parser.go

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

accounts/abi/type.go

@@ -70,7 +70,7 @@ var (
 func NewType(t string, internalType string, components []ArgumentMarshaling) (typ Type, err error) {
 	// check that array brackets are equal if they exist
 	if strings.Count(t, "[") != strings.Count(t, "]") {
-		return Type{}, fmt.Errorf("invalid arg type in abi")
+		return Type{}, errors.New("invalid arg type in abi")
 	}
 	typ.stringKind = t
 
@@ -109,7 +109,7 @@ func NewType(t string, internalType string, components []ArgumentMarshaling) (ty
 			}
 			typ.stringKind = embeddedType.stringKind + sliced
 		} else {
-			return Type{}, fmt.Errorf("invalid formatting of array type")
+			return Type{}, errors.New("invalid formatting of array type")
 		}
 		return typ, err
 	}
@@ -348,7 +348,7 @@ func (t Type) pack(v reflect.Value) ([]byte, error) {
 	}
 }
 
-// requireLengthPrefix returns whether the type requires any sort of length
+// requiresLengthPrefix returns whether the type requires any sort of length
 // prefixing.
 func (t Type) requiresLengthPrefix() bool {
 	return t.T == StringTy || t.T == BytesTy || t.T == SliceTy

accounts/abi/unpack.go

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

accounts/external/backend.go

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

accounts/keystore/account_cache.go

@@ -31,18 +31,18 @@ import (
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
+	"golang.org/x/exp/slices"
 )
 
 // Minimum amount of time between cache reloads. This limit applies if the platform does
 // not support change notifications. It also applies if the keystore directory does not
 // exist yet, the code will attempt to create a watcher at most this often.
 const minReloadInterval = 2 * time.Second
 
-type accountsByURL []accounts.Account
-
-func (s accountsByURL) Len() int           { return len(s) }
-func (s accountsByURL) Less(i, j int) bool { return s[i].URL.Cmp(s[j].URL) < 0 }
-func (s accountsByURL) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
+// byURL defines the sorting order for accounts.
+func byURL(a, b accounts.Account) int {
+	return a.URL.Cmp(b.URL)
+}
 
 // AmbiguousAddrError is returned when attempting to unlock
 // an address for which more than one file exists.
@@ -67,7 +67,7 @@ type accountCache struct {
 	keydir   string
 	watcher  *watcher
 	mu       sync.Mutex
-	all      accountsByURL
+	all      []accounts.Account
 	byAddr   map[common.Address][]accounts.Account
 	throttle *time.Timer
 	notify   chan struct{}
@@ -194,7 +194,7 @@ func (ac *accountCache) find(a accounts.Account) (accounts.Account, error) {
 	default:
 		err := &AmbiguousAddrError{Addr: a.Address, Matches: make([]accounts.Account, len(matches))}
 		copy(err.Matches, matches)
-		sort.Sort(accountsByURL(err.Matches))
+		slices.SortFunc(err.Matches, byURL)
 		return accounts.Account{}, err
 	}
 }

accounts/keystore/account_cache_test.go

@@ -17,19 +17,20 @@
 package keystore
 
 import (
+	"errors"
 	"fmt"
 	"math/rand"
 	"os"
 	"path/filepath"
 	"reflect"
-	"sort"
 	"testing"
 	"time"
 
 	"github.com/cespare/cp"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
+	"golang.org/x/exp/slices"
 )
 
 var (
@@ -74,7 +75,7 @@ func waitForAccounts(wantAccounts []accounts.Account, ks *KeyStore) error {
 			select {
 			case <-ks.changes:
 			default:
-				return fmt.Errorf("wasn't notified of new accounts")
+				return errors.New("wasn't notified of new accounts")
 			}
 			return nil
 		}
@@ -202,7 +203,7 @@ func TestCacheAddDeleteOrder(t *testing.T) {
 	// Check that the account list is sorted by filename.
 	wantAccounts := make([]accounts.Account, len(accs))
 	copy(wantAccounts, accs)
-	sort.Sort(accountsByURL(wantAccounts))
+	slices.SortFunc(wantAccounts, byURL)
 	list := cache.accounts()
 	if !reflect.DeepEqual(list, wantAccounts) {
 		t.Fatalf("got accounts: %s\nwant %s", spew.Sdump(accs), spew.Sdump(wantAccounts))

accounts/keystore/keystore_test.go

@@ -20,7 +20,6 @@ import (
 	"math/rand"
 	"os"
 	"runtime"
-	"sort"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -31,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/event"
+	"golang.org/x/exp/slices"
 )
 
 var testSigData = make([]byte, 32)
@@ -397,19 +397,19 @@ func TestImportRace(t *testing.T) {
 		t.Fatalf("failed to export account: %v", acc)
 	}
 	_, ks2 := tmpKeyStore(t, true)
-	var atom uint32
+	var atom atomic.Uint32
 	var wg sync.WaitGroup
 	wg.Add(2)
 	for i := 0; i < 2; i++ {
 		go func() {
 			defer wg.Done()
 			if _, err := ks2.Import(json, "new", "new"); err != nil {
-				atomic.AddUint32(&atom, 1)
+				atom.Add(1)
 			}
 		}()
 	}
 	wg.Wait()
-	if atom != 1 {
+	if atom.Load() != 1 {
 		t.Errorf("Import is racy")
 	}
 }
@@ -424,7 +424,7 @@ func checkAccounts(t *testing.T, live map[common.Address]accounts.Account, walle
 	for _, account := range live {
 		liveList = append(liveList, account)
 	}
-	sort.Sort(accountsByURL(liveList))
+	slices.SortFunc(liveList, byURL)
 	for j, wallet := range wallets {
 		if accs := wallet.Accounts(); len(accs) != 1 {
 			t.Errorf("wallet %d: contains invalid number of accounts: have %d, want 1", j, len(accs))