-
Notifications
You must be signed in to change notification settings - Fork 142
/
nft.go
47 lines (39 loc) · 960 Bytes
/
nft.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
package isc
import (
"io"
iotago "github.com/iotaledger/iota.go/v3"
"github.com/iotaledger/wasp/packages/util/rwutil"
)
type NFT struct {
ID iotago.NFTID
Issuer iotago.Address
Metadata []byte // (ImmutableMetadata)
Owner AgentID // can be nil
}
func NFTFromBytes(data []byte) (*NFT, error) {
return rwutil.ReadFromBytes(data, new(NFT))
}
func NFTFromReader(rr *rwutil.Reader) (ret *NFT, err error) {
ret = new(NFT)
rr.Read(ret)
return ret, rr.Err
}
func (nft *NFT) Bytes() []byte {
return rwutil.WriteToBytes(nft)
}
func (nft *NFT) Read(r io.Reader) error {
rr := rwutil.NewReader(r)
rr.ReadN(nft.ID[:])
nft.Issuer = AddressFromReader(rr)
nft.Metadata = rr.ReadBytes()
nft.Owner = AgentIDFromReader(rr)
return rr.Err
}
func (nft *NFT) Write(w io.Writer) error {
ww := rwutil.NewWriter(w)
ww.WriteN(nft.ID[:])
AddressToWriter(ww, nft.Issuer)
ww.WriteBytes(nft.Metadata)
AgentIDToWriter(ww, nft.Owner)
return ww.Err
}