eth/tracers: use slices package for sorting #27490 (#1337)

common/types.go

@@ -251,6 +251,11 @@ func (a Address) IsZero() bool { return a == Address{} }
 // Str gets the string representation of the underlying address
 func (a Address) Str() string { return string(a[:]) }
 
+// Cmp compares two addresses.
+func (a Address) Cmp(other Address) int {
+	return bytes.Compare(a[:], other[:])
+}
+
 // Bytes gets the string representation of the underlying address.
 func (a Address) Bytes() []byte { return a[:] }
 

eth/tracers/api_test.go

@@ -17,7 +17,6 @@
 package tracers
 
 import (
-	"bytes"
 	"context"
 	"crypto/ecdsa"
 	"encoding/json"
@@ -25,7 +24,7 @@ import (
 	"fmt"
 	"math/big"
 	"reflect"
-	"sort"
+	"slices"
 	"sync/atomic"
 	"testing"
 	"time"
@@ -635,19 +634,13 @@ type Account struct {
 	addr common.Address
 }
 
-type Accounts []Account
-
-func (a Accounts) Len() int           { return len(a) }
-func (a Accounts) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
-func (a Accounts) Less(i, j int) bool { return bytes.Compare(a[i].addr.Bytes(), a[j].addr.Bytes()) < 0 }
-
-func newAccounts(n int) (accounts Accounts) {
+func newAccounts(n int) (accounts []Account) {
 	for i := 0; i < n; i++ {
 		key, _ := crypto.GenerateKey()
 		addr := crypto.PubkeyToAddress(key.PublicKey)
 		accounts = append(accounts, Account{key: key, addr: addr})
 	}
-	sort.Sort(accounts)
+	slices.SortFunc(accounts, func(a, b Account) int { return a.addr.Cmp(b.addr) })
 	return accounts
 }