state.gno

 1package position
 2
 3import (
 4	"chain/runtime"
 5	"errors"
 6
 7	prbac "gno.land/p/gnoswap/rbac"
 8	_ "gno.land/r/gnoswap/rbac" // initialize readable contract role(s)
 9
10	"gno.land/p/gnoswap/store"
11	"gno.land/p/gnoswap/version_manager"
12
13	"gno.land/r/gnoswap/access"
14)
15
16var (
17	currentAddress = runtime.CurrentRealm().Address()
18	domainPath     = runtime.CurrentRealm().PkgPath()
19
20	kvStore store.KVStore
21
22	versionManager version_manager.VersionManager
23	implementation IPosition
24)
25
26func init() {
27	// Create a new KV store instance for this domain
28	kvStore = store.NewKVStore(currentAddress)
29	initRegisterReadableContract()
30
31	// Initialize the initializers map to store implementation registration functions
32	versionManager = version_manager.NewVersionManager(
33		domainPath,
34		kvStore,
35		initializeDomainStore,
36	)
37
38	implementation = nil
39}
40
41func initRegisterReadableContract() {
42	stakerAddr := access.MustGetAddress(prbac.ROLE_STAKER.String())
43
44	if err := kvStore.AddAuthorizedCaller(stakerAddr, store.ReadOnly); err != nil {
45		panic(err)
46	}
47}
48
49func initializeDomainStore(kvStore store.KVStore) any {
50	return NewPositionStore(kvStore)
51}
52
53func getImplementation() IPosition {
54	if implementation == nil {
55		panic("implementation is not initialized")
56	}
57
58	return implementation
59}
60
61func updateImplementation() error {
62	result := versionManager.GetCurrentImplementation()
63	if result == nil {
64		return errors.New("implementation is not initialized")
65	}
66
67	impl, ok := result.(IPosition)
68	if !ok {
69		return errors.New("impl is not an IPosition")
70	}
71
72	implementation = impl
73
74	return nil
75}