-
Notifications
You must be signed in to change notification settings - Fork 2
/
bech32.go
34 lines (29 loc) · 1.04 KB
/
bech32.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
package bech32
import (
"github.com/btcsuite/btcutil/bech32"
"github.com/pkg/errors"
)
// Charset Copied from https://github.com/btcsuite/btcutil/blob/9e5f4b9a998d263e3ce9c56664a7816001ac8000/bech32/bech32.go#L12
const Charset = "qpzry9x8gf2tvdw0s3jn54khce6mua7l"
// ConvertAndEncode converts from a base64 encoded byte string to base32
// encoded byte string and then to bech32.
func ConvertAndEncode(hrp string, data []byte) (string, error) {
converted, err := bech32.ConvertBits(data, 8, 5, true)
if err != nil {
return "", errors.Wrap(err, "encoding bech32 failed")
}
return bech32.Encode(hrp, converted)
}
// DecodeAndConvert decodes a bech32 encoded string and converts to base64
// encoded bytes.
func DecodeAndConvert(bech string) (string, []byte, error) {
hrp, data, err := bech32.Decode(bech)
if err != nil {
return "", nil, errors.Wrap(err, "decoding bech32 failed")
}
converted, err := bech32.ConvertBits(data, 5, 8, false)
if err != nil {
return "", nil, errors.Wrap(err, "decoding bech32 failed")
}
return hrp, converted, nil
}