eth/tracers: replace noarg fmt.Errorf with errors.New #27330 (#1335)

eth/tracers/js/goja.go

@@ -88,7 +88,7 @@ func fromBuf(vm *goja.Runtime, bufType goja.Value, buf goja.Value, allowString b
 		b := obj.Get("buffer").Export().(goja.ArrayBuffer).Bytes()
 		return b, nil
 	}
-	return nil, fmt.Errorf("invalid buffer type")
+	return nil, errors.New("invalid buffer type")
 }
 
 // jsTracer is an implementation of the Tracer interface which evaluates

eth/tracers/logger/logger_test.go

@@ -18,7 +18,7 @@ package logger
 
 import (
 	"encoding/json"
-	"fmt"
+	"errors"
 	"math/big"
 	"testing"
 
@@ -84,7 +84,7 @@ func TestStructLogMarshalingOmitEmpty(t *testing.T) {
 	}{
 		{"empty err and no fields", &StructLog{},
 			`{"pc":0,"op":0,"gas":"0x0","gasCost":"0x0","memSize":0,"stack":null,"depth":0,"refund":0,"opName":"STOP"}`},
-		{"with err", &StructLog{Err: fmt.Errorf("this failed")},
+		{"with err", &StructLog{Err: errors.New("this failed")},
 			`{"pc":0,"op":0,"gas":"0x0","gasCost":"0x0","memSize":0,"stack":null,"depth":0,"refund":0,"opName":"STOP","error":"this failed"}`},
 		{"with mem", &StructLog{Memory: make([]byte, 2), MemorySize: 2},
 			`{"pc":0,"op":0,"gas":"0x0","gasCost":"0x0","memory":"0x0000","memSize":2,"stack":null,"depth":0,"refund":0,"opName":"STOP"}`},

eth/tracers/tracers.go

@@ -19,6 +19,7 @@ package tracers
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"math/big"
 
@@ -105,7 +106,7 @@ const (
 // It zero-pads the slice if it extends beyond memory bounds.
 func GetMemoryCopyPadded(m *vm.Memory, offset, size int64) ([]byte, error) {
 	if offset < 0 || size < 0 {
-		return nil, fmt.Errorf("offset or size must not be negative")
+		return nil, errors.New("offset or size must not be negative")
 	}
 	if int(offset+size) < m.Len() { // slice fully inside memory
 		return m.GetCopy(offset, size), nil