fix(x/authz): GetAuthorizations (backport cosmos#17334) (cosmos#17527)

Co-authored-by: devon <80245700+devon-chain@users.noreply.github.com>
Co-authored-by: Julien Robert <julien@rbrt.fr>

CHANGELOG.md

@@ -37,6 +37,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+### Bug Fixes
+
+* (x/authz) [#17524](https://github.com/cosmos/cosmos-sdk/pull/17524) Fix an issue where the `cachedValue` of an authorization would not be correcty populated when there are multiple authorizations returned in `GetAuthorizations`.
+
 ## [v0.46.15](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.14) - 2023-08-21
 
 ### Improvements
@@ -46,7 +50,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/genutil) [#17296](https://github.com/cosmos/cosmos-sdk/pull/17296) Add `MigrateHandler` to allow reuse migrate genesis related function.
     * In v0.46, v0.47 this function is additive to the `genesis migrate` command. However in v0.50+, adding custom migrations to the `genesis migrate` command is directly possible.
 
-## Bug Fixes
+### Bug Fixes
 
 * (server) [#17181](https://github.com/cosmos/cosmos-sdk/pull/17181) Fix `db_backend` lookup fallback from `config.toml`.
 

x/authz/keeper/keeper.go

@@ -233,9 +233,9 @@ func (k Keeper) GetAuthorizations(ctx sdk.Context, grantee sdk.AccAddress, grant
 	iter := sdk.KVStorePrefixIterator(store, key)
 	defer iter.Close()
 
-	var authorization authz.Grant
 	var authorizations []authz.Authorization
 	for ; iter.Valid(); iter.Next() {
+		var authorization authz.Grant
 		if err := k.cdc.Unmarshal(iter.Value(), &authorization); err != nil {
 			return nil, err
 		}

x/authz/keeper/keeper_test.go

@@ -445,6 +445,27 @@ func (s *TestSuite) TestGetAuthorization() {
 	}
 }
 
+func (s *TestSuite) TestGetAuthorizations() {
+	require := s.Require()
+	addr1 := s.addrs[1]
+	addr2 := s.addrs[2]
+
+	genAuthMulti := authz.NewGenericAuthorization(sdk.MsgTypeURL(&banktypes.MsgMultiSend{}))
+	genAuthSend := authz.NewGenericAuthorization(sdk.MsgTypeURL(&banktypes.MsgSend{}))
+
+	start := s.ctx.BlockHeader().Time
+	expired := start.Add(time.Duration(1) * time.Second)
+
+	s.Require().NoError(s.app.AuthzKeeper.SaveGrant(s.ctx, addr1, addr2, genAuthMulti, &expired), "creating multi send grant 1->2")
+	s.Require().NoError(s.app.AuthzKeeper.SaveGrant(s.ctx, addr1, addr2, genAuthSend, &expired), "creating send grant 1->2")
+
+	authzs, err := s.app.AuthzKeeper.GetAuthorizations(s.ctx, addr1, addr2)
+	require.NoError(err)
+	require.Len(authzs, 2)
+	require.Equal(sdk.MsgTypeURL(&banktypes.MsgMultiSend{}), authzs[0].MsgTypeURL())
+	require.Equal(sdk.MsgTypeURL(&banktypes.MsgSend{}), authzs[1].MsgTypeURL())
+}
+
 func TestTestSuite(t *testing.T) {
 	suite.Run(t, new(TestSuite))
 }