/
types.go
77 lines (63 loc) · 2.03 KB
/
types.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
// Copyright © 2022, 2023 Attestant Limited.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bellatrix
import (
"bytes"
"encoding/hex"
"fmt"
"github.com/pkg/errors"
)
// Transaction is an opaque execution layer transaction.
type Transaction []byte
// UnmarshalJSON implements json.Unmarshaler.
func (t Transaction) UnmarshalJSON(input []byte) error {
if len(input) == 0 {
return errors.New("input missing")
}
if !bytes.HasPrefix(input, []byte{'"', '0', 'x'}) {
return errors.New("invalid prefix")
}
if !bytes.HasSuffix(input, []byte{'"'}) {
return errors.New("invalid suffix")
}
_, err := hex.Decode(t, input[3:len(input)-1])
if err != nil {
return errors.Wrapf(err, "invalid value %s", string(input[3:len(input)-1]))
}
return nil
}
// MarshalJSON implements json.Marshaler.
func (t Transaction) MarshalJSON() ([]byte, error) {
return []byte(fmt.Sprintf(`"%#x"`, t)), nil
}
// UnmarshalYAML implements yaml.Unmarshaler.
func (t *Transaction) UnmarshalYAML(input []byte) error {
if len(input) == 0 {
return errors.New("input missing")
}
if !bytes.HasPrefix(input, []byte{'\'', '0', 'x'}) {
return errors.New("invalid prefix")
}
if !bytes.HasSuffix(input, []byte{'\''}) {
return errors.New("invalid suffix")
}
_, err := hex.Decode(*t, input[3:len(input)-1])
if err != nil {
return errors.Wrapf(err, "invalid value %s", string(input[3:len(input)-1]))
}
return nil
}
// MarshalYAML implements yaml.Marshaler.
func (t Transaction) MarshalYAML() ([]byte, error) {
return []byte(fmt.Sprintf(`'%#x'`, t)), nil
}