diff --git a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/src/lib.rs b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/src/lib.rs
index ad089ef4ce..7ce368781a 100644
--- a/contracts/feature-tests/composability/esdt-contract-pair/first-contract/src/lib.rs
+++ b/contracts/feature-tests/composability/esdt-contract-pair/first-contract/src/lib.rs
@@ -94,7 +94,7 @@ pub trait FirstContract {
         self.tx()
             .to(&second_contract_address)
             .gas(gas_left)
-            .raw_call(ManagedBuffer::from(SECOND_CONTRACT_REJECT_ESDT_PAYMENT))
+            .raw_call(SECOND_CONTRACT_REJECT_ESDT_PAYMENT)
             .single_esdt(&expected_token_identifier, 0u64, &esdt_value)
             .transfer_execute();
     }
diff --git a/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo.scen.json b/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo.scen.json
index ed599f9492..a34e9497fd 100644
--- a/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo.scen.json
+++ b/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo.scen.json
@@ -158,4 +158,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo_caller.scen.json b/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo_caller.scen.json
index 0bfa9fd894..a964ec9e19 100644
--- a/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo_caller.scen.json
+++ b/contracts/feature-tests/composability/scenarios/forw_raw_sync_echo_caller.scen.json
@@ -133,4 +133,4 @@
             }
         }
     ]
-}
\ No newline at end of file
+}
diff --git a/contracts/feature-tests/rust-testing-framework-tester/src/lib.rs b/contracts/feature-tests/rust-testing-framework-tester/src/lib.rs
index 7a5b181028..8aae4d0b79 100644
--- a/contracts/feature-tests/rust-testing-framework-tester/src/lib.rs
+++ b/contracts/feature-tests/rust-testing-framework-tester/src/lib.rs
@@ -193,13 +193,10 @@ pub trait RustTestingFrameworkTester: dummy_module::DummyModule {
 
     #[endpoint]
     fn call_other_contract_add_async_call(&self, other_sc_address: ManagedAddress, value: BigUint) {
-        let mut args = ManagedArgBuffer::new();
-        args.push_arg(&value);
-
         self.tx()
             .to(&other_sc_address)
-            .raw_call("call")
-            .arguments_raw(args)
+            .raw_call("add")
+            .argument(&value)
             .async_call_and_exit();
     }
 
@@ -215,15 +212,12 @@ pub trait RustTestingFrameworkTester: dummy_module::DummyModule {
 
     #[endpoint]
     fn execute_on_dest_add_value(&self, other_sc_address: ManagedAddress, value: BigUint) {
-        let mut args = ManagedArgBuffer::new();
-        args.push_arg(value);
-
         let gas_left = self.blockchain().get_gas_left();
         self.tx()
             .to(&other_sc_address)
             .gas(gas_left)
             .raw_call("addValue")
-            .arguments_raw(args)
+            .argument(&value)
             .sync_call();
     }
 
diff --git a/framework/base/src/types/interaction/tx_exec/tx_exec_upgrade.rs b/framework/base/src/types/interaction/tx_exec/tx_exec_upgrade.rs
index 01a0107d68..74285517c7 100644
--- a/framework/base/src/types/interaction/tx_exec/tx_exec_upgrade.rs
+++ b/framework/base/src/types/interaction/tx_exec/tx_exec_upgrade.rs
@@ -1,6 +1,7 @@
 use crate::{
     api::CallTypeApi,
     contract_base::SendRawWrapper,
+    proxy_imports::TxToSpecified,
     tuple_util::NestedTupleFlatten,
     types::{
         Code, CodeMetadata, DeployRawResult, FromSource, ManagedAddress, ManagedBuffer, ManagedVec,
@@ -79,100 +80,11 @@ where
     }
 }
 
-impl<Api, Payment, Gas, FromSourceValue, RH>
-    Tx<
-        TxScEnv<Api>,
-        (),
-        &ManagedAddress<Api>,
-        Payment,
-        Gas,
-        UpgradeCall<TxScEnv<Api>, FromSource<FromSourceValue>>,
-        RH,
-    >
-where
-    Api: CallTypeApi,
-    Payment: TxPaymentEgldOnly<TxScEnv<Api>>,
-    Gas: TxGas<TxScEnv<Api>>,
-    FromSourceValue: TxFromSourceValue<TxScEnv<Api>>,
-    RH: TxEmptyResultHandler<TxScEnv<Api>>,
-{
-    /// Launches the upgrade from source async call.
-    ///
-    /// TODO: change return type to `!`.
-    pub fn upgrade_async_call_and_exit(self) {
-        let gas = self.gas.explicit_or_gas_left(&self.env);
-        self.payment.with_egld_value(&self.env, |egld_value| {
-            SendRawWrapper::<Api>::new().upgrade_from_source_contract(
-                self.to,
-                gas,
-                egld_value,
-                &self.data.code_source.0.into_value(&self.env),
-                self.data.code_metadata,
-                &self.data.arg_buffer,
-            );
-        });
-    }
-}
-
-impl<Api, Payment, Gas, RH>
-    Tx<TxScEnv<Api>, (), ManagedAddress<Api>, Payment, Gas, UpgradeCall<TxScEnv<Api>, ()>, RH>
-where
-    Api: CallTypeApi,
-    Payment: TxPaymentEgldOnly<TxScEnv<Api>>,
-    Gas: TxGas<TxScEnv<Api>>,
-    RH: TxEmptyResultHandler<TxScEnv<Api>>,
-{
-    /// Backwards compatibility, immitates the old API.
-    ///
-    /// Note that the data type (the `UpgradeCall`) doesn't have the code set.
-    /// This is because the old API was passing it as paramter, so we use it from the `code` argument.
-    ///
-    /// Also note that the code metadata is taken from the `code_metadata` argument.
-    /// If another one was previously set in the `Tx` object, that one will be ignored.
-    pub fn upgrade_contract(self, code: &ManagedBuffer<Api>, code_metadata: CodeMetadata) {
-        let gas = self.gas.explicit_or_gas_left(&self.env);
-        self.payment.with_egld_value(&self.env, |egld_value| {
-            SendRawWrapper::<Api>::new().upgrade_contract(
-                &self.to,
-                gas,
-                egld_value,
-                code,
-                code_metadata,
-                &self.data.arg_buffer,
-            );
-        });
-    }
-
-    /// Backwards compatibility, immitates the old API.
-    ///
-    /// Note that the data type (the `UpgradeCall`) doesn't have the code set.
-    /// This is because the old API was passing it as paramter, so we use it from the `code` argument.
-    ///
-    /// Also note that the code metadata is taken from the `code_metadata` argument.
-    /// If another one was previously set in the `Tx` object, that one will be ignored.
-    pub fn upgrade_from_source(
-        self,
-        source_address: &ManagedAddress<Api>,
-        code_metadata: CodeMetadata,
-    ) {
-        let gas = self.gas.explicit_or_gas_left(&self.env);
-        self.payment.with_egld_value(&self.env, |egld_value| {
-            SendRawWrapper::<Api>::new().upgrade_from_source_contract(
-                &self.to,
-                gas,
-                egld_value,
-                source_address,
-                code_metadata,
-                &self.data.arg_buffer,
-            );
-        });
-    }
-}
-
-impl<Api, Payment, Gas, RH>
-    Tx<TxScEnv<Api>, (), &ManagedAddress<Api>, Payment, Gas, UpgradeCall<TxScEnv<Api>, ()>, RH>
+impl<Api, To, Payment, Gas, RH>
+    Tx<TxScEnv<Api>, (), To, Payment, Gas, UpgradeCall<TxScEnv<Api>, ()>, RH>
 where
     Api: CallTypeApi,
+    To: TxToSpecified<TxScEnv<Api>>,
     Payment: TxPaymentEgldOnly<TxScEnv<Api>>,
     Gas: TxGas<TxScEnv<Api>>,
     RH: TxEmptyResultHandler<TxScEnv<Api>>,
@@ -187,14 +99,16 @@ where
     pub fn upgrade_contract(self, code: &ManagedBuffer<Api>, code_metadata: CodeMetadata) {
         let gas = self.gas.explicit_or_gas_left(&self.env);
         self.payment.with_egld_value(&self.env, |egld_value| {
-            SendRawWrapper::<Api>::new().upgrade_contract(
-                self.to,
-                gas,
-                egld_value,
-                code,
-                code_metadata,
-                &self.data.arg_buffer,
-            );
+            self.to.with_value_ref(&self.env, |to| {
+                SendRawWrapper::<Api>::new().upgrade_contract(
+                    to,
+                    gas,
+                    egld_value,
+                    code,
+                    code_metadata,
+                    &self.data.arg_buffer,
+                );
+            });
         });
     }
 
@@ -212,14 +126,16 @@ where
     ) {
         let gas = self.gas.explicit_or_gas_left(&self.env);
         self.payment.with_egld_value(&self.env, |egld_value| {
-            SendRawWrapper::<Api>::new().upgrade_from_source_contract(
-                self.to,
-                gas,
-                egld_value,
-                source_address,
-                code_metadata,
-                &self.data.arg_buffer,
-            );
+            self.to.with_value_ref(&self.env, |to| {
+                SendRawWrapper::<Api>::new().upgrade_from_source_contract(
+                    to,
+                    gas,
+                    egld_value,
+                    source_address,
+                    code_metadata,
+                    &self.data.arg_buffer,
+                );
+            });
         });
     }
 }