init.gno

 1package v1
 2
 3import (
 4	"gno.land/r/gnoswap/position"
 5)
 6
 7func init(cur realm) {
 8	registerPositionV1(cur)
 9}
10
11func registerPositionV1(cur realm) {
12	position.RegisterInitializer(
13		cross(cur),
14		func(_ int, rlm realm, positionStore position.IPositionStore) position.IPosition {
15			if !rlm.IsCurrent() {
16				panic(errSpoofedRealm)
17			}
18
19			err := initStoreData(0, rlm, positionStore)
20			if err != nil {
21				panic(err)
22			}
23
24			return NewPositionV1(positionStore, newGNFTAccessor())
25		},
26	)
27}
28
29func initStoreData(_ int, rlm realm, positionStore position.IPositionStore) error {
30	if !positionStore.HasPositionNextIDStoreKey() {
31		err := positionStore.SetPositionNextID(0, rlm, uint64(1))
32		if err != nil {
33			return err
34		}
35	}
36
37	if !positionStore.HasPositionsStoreKey() {
38		err := positionStore.SetPositions(0, rlm, position.NewPositionsTree())
39		if err != nil {
40			return err
41		}
42	}
43
44	return nil
45}