/
address.go
57 lines (45 loc) · 1.01 KB
/
address.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
package og_interface
import (
"fmt"
"github.com/annchain/commongo/hexutil"
"github.com/annchain/commongo/marshaller"
)
const (
FlagAddressNone byte = iota
FlagAddress20
)
func AddressFromHex(s string) (Address, error) {
bts, err := hexutil.FromHex(s)
if err != nil {
return nil, err
}
switch len(bts) {
case Address20Length:
var addr Address20
addr.FromBytes(bts)
return &addr, nil
default:
return nil, fmt.Errorf("unknown address hex length: %d", len(bts))
}
}
func AddressFromAddressKey(key AddressKey) (Address, error) {
return AddressFromHex(string(key))
}
func MarshalAddress(addr Address) ([]byte, error) {
return addr.MarshalMsg()
}
func UnmarshalAddress(b []byte) (Address, []byte, error) {
var addr Address
if len(b) == 0 {
return nil, nil, marshaller.ErrorNotEnoughBytes(1, 0)
}
lead := b[0]
switch lead {
case FlagAddress20:
addr = &Address20{}
default:
return nil, nil, fmt.Errorf("unknown Address lead: %x", lead)
}
b, err := addr.UnmarshalMsg(b)
return addr, b, err
}