Fix migration from schema <= 12 to schema > 16. Issue matrix-org#1282

Signed-off-by: N-Pex <[email protected]>
N-Pex · Nov 30, 2021 · ecd1e00 · ecd1e00
1 parent dfd1f77
commit ecd1e00
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Showing 2 changed files with 10 additions and 6 deletions.
diff --git a/MatrixSDK/Crypto/Data/Store/MXRealmCryptoStore/MXRealmCryptoStore.m b/MatrixSDK/Crypto/Data/Store/MXRealmCryptoStore/MXRealmCryptoStore.m
@@ -2143,12 +2143,15 @@ + (BOOL)finaliseMigrationWith:(RLMMigration *)migration oldSchemaVersion:(uint64
 
                 MXLogDebug(@"[MXRealmCryptoStore]    Make sure MXRealmOlmAccount.cryptoVersion is MXCryptoVersion2");
                 [migration enumerateObjects:MXRealmOlmAccount.className block:^(RLMObject *oldObject, RLMObject *newObject) {
-                    NSNumber *version;
-                    MXJSONModelSetNumber(version, oldObject[@"cryptoVersion"]);
-                    if (version && version.intValue == 0)
-                    {
-                        MXLogDebug(@"[MXRealmCryptoStore]    -> Fix MXRealmOlmAccount.cryptoVersion");
-                        newObject[@"cryptoVersion"] = @(MXCryptoVersion2);
+                    if (oldSchemaVersion > 12) {
+                        // cryptoVersion available
+                        NSNumber *version;
+                        MXJSONModelSetNumber(version, oldObject[@"cryptoVersion"]);
+                        if (version && version.intValue == 0)
+                        {
+                            MXLogDebug(@"[MXRealmCryptoStore]    -> Fix MXRealmOlmAccount.cryptoVersion");
+                            newObject[@"cryptoVersion"] = @(MXCryptoVersion2);
+                        }
                     }
                 }];
         }

diff --git a/changelog.d/1282.bugfix b/changelog.d/1282.bugfix
@@ -0,0 +1 @@
+MXRealmCryptoStore: fix migration from schema < 13 to schema > 16.