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diff --git a/dex/farm-with-locked-rewards/src/lib.rs b/dex/farm-with-locked-rewards/src/lib.rs
index 27421ac16..6a13bc7ef 100644
--- a/dex/farm-with-locked-rewards/src/lib.rs
+++ b/dex/farm-with-locked-rewards/src/lib.rs
@@ -81,6 +81,9 @@ pub trait Farm:
         self.try_set_farm_position_migration_nonce(farm_token_mapper);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(enterFarm)]
     fn enter_farm_endpoint(
diff --git a/dex/farm/src/lib.rs b/dex/farm/src/lib.rs
index 74456ad5c..97b280546 100644
--- a/dex/farm/src/lib.rs
+++ b/dex/farm/src/lib.rs
@@ -82,6 +82,9 @@ pub trait Farm:
         self.try_set_farm_position_migration_nonce(farm_token_mapper);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(enterFarm)]
     fn enter_farm_endpoint(
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deleted file mode 100644
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- "token_send",
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- "pair",
- "rewards",
- "token_merge",
- "token_send",
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diff --git a/dex/governance/src/lib.rs b/dex/governance/src/lib.rs
index 605ba4ba0..e9d4147d3 100644
--- a/dex/governance/src/lib.rs
+++ b/dex/governance/src/lib.rs
@@ -49,6 +49,9 @@ pub trait Governance:
         self.try_change_price_providers(price_providers);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint]
     fn propose(&self, args: ProposalCreationArgs<Self::Api>) -> u64 {
diff --git a/dex/pair/src/lib.rs b/dex/pair/src/lib.rs
index 425b7acc1..7bc69c42b 100644
--- a/dex/pair/src/lib.rs
+++ b/dex/pair/src/lib.rs
@@ -102,6 +102,9 @@ pub trait Pair<ContractReader>:
         };
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(addInitialLiquidity)]
     fn add_initial_liquidity(&self) -> AddLiquidityResultType<Self::Api> {
diff --git a/dex/price-discovery/src/lib.rs b/dex/price-discovery/src/lib.rs
index 30799231a..32a07acf0 100644
--- a/dex/price-discovery/src/lib.rs
+++ b/dex/price-discovery/src/lib.rs
@@ -113,6 +113,9 @@ pub trait PriceDiscovery:
         self.set_locking_sc_address(locking_sc_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     /// Users can deposit either launched_token or accepted_token.
     /// They will receive an SFT that can be used to withdraw said tokens
     #[payable("*")]
diff --git a/dex/proxy-deployer/src/lib.rs b/dex/proxy-deployer/src/lib.rs
index 38c3b546b..a05bab7b0 100644
--- a/dex/proxy-deployer/src/lib.rs
+++ b/dex/proxy-deployer/src/lib.rs
@@ -15,4 +15,7 @@ pub trait ProxyDeployer: farm_deploy::FarmDeployModule {
 
         self.farm_template_address().set(&farm_template_address);
     }
+
+    #[endpoint]
+    fn upgrade(&self) {}
 }
diff --git a/dex/router/src/contract.rs b/dex/router/src/contract.rs
index 56e9cba45..e5db4235f 100644
--- a/dex/router/src/contract.rs
+++ b/dex/router/src/contract.rs
@@ -39,6 +39,9 @@ pub trait Router:
         self.owner().set(&self.blockchain().get_caller());
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[only_owner]
     #[endpoint]
     fn pause(&self, address: ManagedAddress) {
diff --git a/energy-integration/energy-update/src/lib.rs b/energy-integration/energy-update/src/lib.rs
index 730dd8f70..a8e10213f 100644
--- a/energy-integration/energy-update/src/lib.rs
+++ b/energy-integration/energy-update/src/lib.rs
@@ -9,6 +9,9 @@ pub trait EnergyUpdate {
     #[init]
     fn init(&self) {}
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[endpoint(updateFarmsEnergyForUser)]
     fn update_farms_energy_for_user(
         &self,
diff --git a/energy-integration/fees-collector/src/lib.rs b/energy-integration/fees-collector/src/lib.rs
index f2aef7a34..cf1d8b6c8 100644
--- a/energy-integration/fees-collector/src/lib.rs
+++ b/energy-integration/fees-collector/src/lib.rs
@@ -44,6 +44,9 @@ pub trait FeesCollector:
         self.energy_factory_address().set(&energy_factory_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[endpoint(claimRewards)]
     fn claim_rewards(
         &self,
diff --git a/energy-integration/governance-v2/src/lib.rs b/energy-integration/governance-v2/src/lib.rs
index bdeba1326..9c9de7613 100644
--- a/energy-integration/governance-v2/src/lib.rs
+++ b/energy-integration/governance-v2/src/lib.rs
@@ -61,6 +61,9 @@ pub trait GovernanceV2:
         self.try_change_fee_token_id(fee_token);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     /// Propose a list of actions.
     /// A maximum of MAX_GOVERNANCE_PROPOSAL_ACTIONS can be proposed at a time.
     ///
diff --git a/farm-staking/farm-staking-proxy/src/lib.rs b/farm-staking/farm-staking-proxy/src/lib.rs
index f9c5d5e2f..24bd0d78d 100644
--- a/farm-staking/farm-staking-proxy/src/lib.rs
+++ b/farm-staking/farm-staking-proxy/src/lib.rs
@@ -52,4 +52,7 @@ pub trait FarmStakingProxy:
             .set_if_empty(&staking_farm_token_id);
         self.lp_token_id().set_if_empty(&lp_token_id);
     }
+
+    #[endpoint]
+    fn upgrade(&self) {}
 }
diff --git a/farm-staking/farm-staking/src/lib.rs b/farm-staking/farm-staking/src/lib.rs
index 5bd41cecf..e44b3b3df 100644
--- a/farm-staking/farm-staking/src/lib.rs
+++ b/farm-staking/farm-staking/src/lib.rs
@@ -94,6 +94,9 @@ pub trait FarmStaking:
         self.try_set_farm_position_migration_nonce(farm_token_mapper);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(mergeFarmTokens)]
     fn merge_farm_tokens_endpoint(&self) -> DoubleMultiPayment<Self::Api> {
diff --git a/farm-staking/metabonding-staking/src/lib.rs b/farm-staking/metabonding-staking/src/lib.rs
index c4927d3de..94be22193 100644
--- a/farm-staking/metabonding-staking/src/lib.rs
+++ b/farm-staking/metabonding-staking/src/lib.rs
@@ -26,6 +26,9 @@ pub trait MetabondingStaking:
             .set_if_empty(&locked_asset_factory_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(stakeLockedAsset)]
     fn stake_locked_asset(&self) {
diff --git a/locked-asset/distribution/src/lib.rs b/locked-asset/distribution/src/lib.rs
index 1ae78b009..93187154e 100644
--- a/locked-asset/distribution/src/lib.rs
+++ b/locked-asset/distribution/src/lib.rs
@@ -47,6 +47,9 @@ pub trait Distribution: global_op::GlobalOperationModule {
             .set_if_empty(&locked_asset_factory_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[only_owner]
     #[endpoint(setCommunityDistribution)]
     fn set_community_distribution(&self, total_amount: BigUint, spread_epoch: u64) {
diff --git a/locked-asset/energy-factory/src/lib.rs b/locked-asset/energy-factory/src/lib.rs
index a39dcc117..d146566d6 100644
--- a/locked-asset/energy-factory/src/lib.rs
+++ b/locked-asset/energy-factory/src/lib.rs
@@ -91,6 +91,9 @@ pub trait SimpleLockEnergy:
         self.set_paused(true);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     /// Locks a whitelisted token until `unlock_epoch` and receive meta ESDT LOCKED tokens
     /// on a 1:1 ratio. Accepted input tokens:
     /// - base asset token
diff --git a/locked-asset/factory/src/lib.rs b/locked-asset/factory/src/lib.rs
index 21084b2f1..d8de993b4 100644
--- a/locked-asset/factory/src/lib.rs
+++ b/locked-asset/factory/src/lib.rs
@@ -63,6 +63,9 @@ pub trait LockedAssetFactory:
         self.set_paused(true);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     fn set_extended_attributes_activation_nonce(&self, is_sc_upgrade: bool) {
         if !self.extended_attributes_activation_nonce().is_empty() {
             return;
diff --git a/locked-asset/lkmex-transfer/src/lib.rs b/locked-asset/lkmex-transfer/src/lib.rs
index f716b55a3..7c187882e 100644
--- a/locked-asset/lkmex-transfer/src/lib.rs
+++ b/locked-asset/lkmex-transfer/src/lib.rs
@@ -56,6 +56,9 @@ pub trait LkmexTransfer:
         self.add_permissions(caller, Permissions::OWNER);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[endpoint]
     fn withdraw(&self, sender: ManagedAddress) {
         let receiver = self.blockchain().get_caller();
diff --git a/locked-asset/locked-token-wrapper/src/lib.rs b/locked-asset/locked-token-wrapper/src/lib.rs
index 0998f92f5..980736f63 100644
--- a/locked-asset/locked-token-wrapper/src/lib.rs
+++ b/locked-asset/locked-token-wrapper/src/lib.rs
@@ -20,6 +20,9 @@ pub trait LockedTokenWrapper:
         self.energy_factory_address().set(&energy_factory_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[payable("*")]
     #[endpoint(wrapLockedToken)]
     fn wrap_locked_token_endpoint(&self) -> EsdtTokenPayment {
diff --git a/locked-asset/proxy_dex/src/lib.rs b/locked-asset/proxy_dex/src/lib.rs
index e8ff52eec..757f7d505 100644
--- a/locked-asset/proxy_dex/src/lib.rs
+++ b/locked-asset/proxy_dex/src/lib.rs
@@ -57,6 +57,9 @@ pub trait ProxyDexImpl:
             .set_if_empty(&energy_factory_address);
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[only_owner]
     #[payable("EGLD")]
     #[endpoint(registerProxyPair)]
diff --git a/locked-asset/simple-lock-whitelist/src/lib.rs b/locked-asset/simple-lock-whitelist/src/lib.rs
index 80043ec08..48192fb15 100644
--- a/locked-asset/simple-lock-whitelist/src/lib.rs
+++ b/locked-asset/simple-lock-whitelist/src/lib.rs
@@ -28,6 +28,9 @@ pub trait SimpleLockWhitelist:
         }
     }
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     /// Sets the transfer role for the given address. Defaults to own address.
     #[only_owner]
     #[endpoint(setTransferRoleLockedToken)]
diff --git a/locked-asset/simple-lock/src/lib.rs b/locked-asset/simple-lock/src/lib.rs
index f21f1721f..5db24f38e 100644
--- a/locked-asset/simple-lock/src/lib.rs
+++ b/locked-asset/simple-lock/src/lib.rs
@@ -25,6 +25,9 @@ pub trait SimpleLock:
     #[init]
     fn init(&self) {}
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     /// Locks any token (including EGLD) until `unlock_epoch` and receive meta ESDT LOCKED tokens.
     /// on a 1:1 ratio. If unlock epoch has already passed, the original tokens are sent instead.
     ///
diff --git a/locked-asset/token-unstake/src/lib.rs b/locked-asset/token-unstake/src/lib.rs
index d160fce58..6295d46a2 100644
--- a/locked-asset/token-unstake/src/lib.rs
+++ b/locked-asset/token-unstake/src/lib.rs
@@ -41,4 +41,7 @@ pub trait TokenUnstakeModule:
         self.fees_collector_address().set(&fees_collector_address);
         self.fees_burn_percentage().set(fees_burn_percentage);
     }
+
+    #[endpoint]
+    fn upgrade(&self) {}
 }
diff --git a/pair-mock/wasm/Cargo.lock b/pair-mock/wasm/Cargo.lock
deleted file mode 100644
index bcd19a52a..000000000
--- a/pair-mock/wasm/Cargo.lock
+++ /dev/null
@@ -1,300 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
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- "getrandom",
- "once_cell",
- "version_check",
-]
-
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-
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diff --git a/pause-all/src/lib.rs b/pause-all/src/lib.rs
index 732e16678..6e9bcd823 100644
--- a/pause-all/src/lib.rs
+++ b/pause-all/src/lib.rs
@@ -28,6 +28,9 @@ pub trait PauseAll:
     #[init]
     fn init(&self) {}
 
+    #[endpoint]
+    fn upgrade(&self) {}
+
     #[only_owner]
     #[endpoint(addPausableContracts)]
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