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9 changes: 5 additions & 4 deletions accounts/abi/argument.go
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ package abi

import (
"encoding/json"
"errors"
"fmt"
"reflect"
"strings"
Expand Down Expand Up @@ -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
}
Expand All @@ -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
}
Expand All @@ -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
}
Expand Down