instance.gno

 1package v1
 2
 3import (
 4	"gno.land/p/demo/tokens/grc721"
 5	"gno.land/r/gnoswap/gnft"
 6	"gno.land/r/gnoswap/position"
 7)
 8
 9type positionV1 struct {
10	store       position.IPositionStore
11	nftAccessor NFTAccessor
12}
13
14func NewPositionV1(positionStore position.IPositionStore, accessor NFTAccessor) position.IPosition {
15	return &positionV1{
16		store:       positionStore,
17		nftAccessor: accessor,
18	}
19}
20
21type NFTAccessor interface {
22	Approve(approved address, tid grc721.TokenID) error
23	Mint(to address, tid grc721.TokenID) grc721.TokenID
24	Burn(tid grc721.TokenID)
25	TotalSupply() int64
26	Exists(tid grc721.TokenID) bool
27	OwnerOf(tid grc721.TokenID) (address, error)
28}
29
30type gnftAccessor struct{}
31
32func (n *gnftAccessor) Approve(approved address, tid grc721.TokenID) error {
33	return gnft.Approve(cross, approved, tid)
34}
35
36func (n *gnftAccessor) Mint(to address, tid grc721.TokenID) grc721.TokenID {
37	return gnft.Mint(cross, to, tid)
38}
39
40func (n *gnftAccessor) Burn(tid grc721.TokenID) {
41	gnft.Burn(cross, tid)
42}
43
44func (n *gnftAccessor) TotalSupply() int64 {
45	return gnft.TotalSupply()
46}
47
48func (n *gnftAccessor) Exists(tid grc721.TokenID) bool {
49	return gnft.Exists(tid)
50}
51
52func (n *gnftAccessor) OwnerOf(tid grc721.TokenID) (address, error) {
53	return gnft.OwnerOf(tid)
54}
55
56func newGNFTAccessor() NFTAccessor {
57	return &gnftAccessor{}
58}