init.gno

 1package position
 2
 3import (
 4	"errors"
 5	"gno.land/r/gnoswap/position"
 6)
 7
 8func init(cur realm) {
 9	registerPositionV1(cur)
10}
11
12func registerPositionV1(cur realm) {
13	position.RegisterInitializer(
14		cross(cur),
15		func(_ int, rlm realm, positionStore position.IPositionStore) position.IPosition {
16			if !rlm.IsCurrent() {
17				panic(errors.New(errSpoofedRealm))
18			}
19
20			err := initStoreData(0, rlm, positionStore)
21			if err != nil {
22				panic(err)
23			}
24
25			return NewPositionV1(positionStore, newGNFTAccessor())
26		},
27	)
28}
29
30func initStoreData(_ int, rlm realm, positionStore position.IPositionStore) error {
31	if !positionStore.HasPositionNextIDStoreKey() {
32		err := positionStore.SetPositionNextID(0, rlm, uint64(1))
33		if err != nil {
34			return err
35		}
36	}
37
38	if !positionStore.HasPositionsStoreKey() {
39		err := positionStore.SetPositions(0, rlm, position.NewPositionsTree())
40		if err != nil {
41			return err
42		}
43	}
44
45	return nil
46}