upgrade.gno

 1package pool
 2
 3import (
 4	"gno.land/r/gnoswap/access"
 5)
 6
 7// RegisterInitializer registers a new pool implementation version.
 8// This function is called by each version (v1, v2, etc.) during initialization
 9// to register their implementation with the proxy system.
10//
11// The initializer function creates a new instance of the implementation
12// using the provided poolStore interface.
13//
14// The stateInitializer function creates the initial state for this version.
15//
16// Security: Only contracts within the domain path can register initializers.
17// Each package path can only register once to prevent duplicate registrations.
18func RegisterInitializer(cur realm, initializer func(_ int, rlm realm, poolStore IPoolStore) IPool) {
19	initializerFunc := func(_ int, rlm realm, domainStore any) any {
20		if !rlm.IsCurrent() {
21			panic(ErrSpoofedRealm)
22		}
23
24		currentPoolStore, ok := domainStore.(IPoolStore)
25		if !ok {
26			panic("domainStore is not an IPoolStore")
27		}
28
29		return initializer(0, rlm, currentPoolStore)
30	}
31
32	err := versionManager.RegisterInitializer(0, cur, initializerFunc)
33	if err != nil {
34		panic(err)
35	}
36
37	err = updateImplementation()
38	if err != nil {
39		panic(err)
40	}
41}
42
43// UpgradeImpl switches the active pool implementation to a different version.
44// This function allows seamless upgrades from one version to another without
45// data migration or downtime.
46//
47// Security: Only admin or governance can perform upgrades.
48// The new implementation must have been previously registered via RegisterInitializer.
49func UpgradeImpl(cur realm, packagePath string) {
50	// Ensure only admin or governance can perform upgrades
51	caller := cur.Previous().Address()
52	access.AssertIsAdminOrGovernance(caller)
53
54	err := versionManager.ChangeImplementation(0, cur, packagePath)
55	if err != nil {
56		panic(err)
57	}
58
59	err = updateImplementation()
60	if err != nil {
61		panic(err)
62	}
63}
64
65// GetImplementationPackagePath returns the package path of the currently active implementation.
66func GetImplementationPackagePath() string {
67	return versionManager.GetCurrentPackagePath()
68}