diff --git a/.github/workflows/actions.yml b/.github/workflows/actions.yml
index a2aa85a4ee..d9d598ab33 100644
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -14,63 +14,11 @@ permissions:
 jobs:
   contracts:
     name: Contracts
-    uses: multiversx/mx-sc-actions/.github/workflows/contracts.yml@v3.0.0
+    uses: multiversx/mx-sc-actions/.github/workflows/contracts.yml@v3.1.0
     with:
       rust-toolchain: nightly-2023-12-11
       path-to-sc-meta: framework/meta
       mx-scenario-go-version: v2.1.0-alpha
+      coverage-args: --ignore-filename-regex='meta/src' --ignore-filename-regex='wasm-adapter' --ignore-filename-regex='benchmarks/' --ignore-filename-regex='tests/' --output ./coverage.md
     secrets:
-      token: ${{ secrets.GITHUB_TOKEN }}
-
-  test_coverage:
-    name: Test Coverage
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Install rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: nightly-2023-12-11
-
-      - name: Install prerequisites
-        run: |
-          rustup component add llvm-tools-preview
-          dirname $(find ~/.rustup -name llvm-cov) >> $GITHUB_PATH
-
-          echo $(dirname $(find ~/.rustup -name llvm-cov))
-
-      - name: Run tests and generate report
-        env:
-          RUSTFLAGS: ""
-        run: |
-          cargo run --bin sc-meta test-coverage \
-            --ignore-filename-regex='meta/src' \
-            --ignore-filename-regex='wasm-adapter' \
-            --ignore-filename-regex='benchmarks/' \
-            --ignore-filename-regex='tests/' \
-            --output ./coverage.md
-
-      - name: Upload the report
-        uses: actions/upload-artifact@v3
-        with:
-          name: coverage
-          path: coverage.md
-
-      - name: Find the comment containing the report
-        id: fc
-        uses: peter-evans/find-comment@v2
-        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
-        with:
-          issue-number: ${{ github.event.pull_request.number }}
-          comment-author: "github-actions[bot]"
-          body-includes: "Coverage Summary"
-
-      - name: Create or update the report comment
-        uses: peter-evans/create-or-update-comment@v2
-        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
-        with:
-          comment-id: ${{ steps.fc.outputs.comment-id }}
-          issue-number: ${{ github.event.pull_request.number }}
-          body-file: ./coverage.md
-          edit-mode: replace
+      token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 9fd01b92b0..81b6a2feb4 100755
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -908,6 +908,22 @@ dependencies = [
  "multiversx-sc-meta",
 ]
 
+[[package]]
+name = "exchange-features"
+version = "0.0.0"
+dependencies = [
+ "multiversx-sc",
+ "multiversx-sc-scenario",
+]
+
+[[package]]
+name = "exchange-features-meta"
+version = "0.0.0"
+dependencies = [
+ "exchange-features",
+ "multiversx-sc-meta",
+]
+
 [[package]]
 name = "factorial"
 version = "0.0.0"
diff --git a/Cargo.toml b/Cargo.toml
index ef92a8a7b9..d97f1292e0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -175,4 +175,7 @@ members = [
   "contracts/feature-tests/rust-testing-framework-tester/meta",
   "contracts/feature-tests/use-module",
   "contracts/feature-tests/use-module/meta",
+  "contracts/feature-tests/exchange-features",
+  "contracts/feature-tests/exchange-features/meta",
+
 ]
diff --git a/contracts/feature-tests/exchange-features/Cargo.toml b/contracts/feature-tests/exchange-features/Cargo.toml
new file mode 100644
index 0000000000..8e7f760f8a
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/Cargo.toml
@@ -0,0 +1,17 @@
+[package]
+name = "exchange-features"
+version = "0.0.0"
+authors = ["Alin-Marius Cruceat <alin.cruceat@multiversx.com>"]
+edition = "2021"
+publish = false
+
+[lib]
+path = "src/exchange_features.rs"
+
+[dependencies.multiversx-sc]
+version = "0.48.0-alpha.1"
+path = "../../../framework/base"
+
+[dev-dependencies.multiversx-sc-scenario]
+version = "0.48.0-alpha.1"
+path = "../../../framework/scenario"
diff --git a/contracts/feature-tests/exchange-features/meta/Cargo.toml b/contracts/feature-tests/exchange-features/meta/Cargo.toml
new file mode 100644
index 0000000000..553871b6cb
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/meta/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "exchange-features-meta"
+version = "0.0.0"
+edition = "2021"
+publish = false
+
+[dependencies.exchange-features]
+path = ".."
+
+[dependencies.multiversx-sc-meta]
+version = "0.48.0-alpha.1"
+path = "../../../../framework/meta"
+default-features = false
diff --git a/contracts/feature-tests/exchange-features/meta/src/main.rs b/contracts/feature-tests/exchange-features/meta/src/main.rs
new file mode 100644
index 0000000000..f9a8d31e06
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/meta/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    multiversx_sc_meta::cli_main::<exchange_features::AbiProvider>();
+}
diff --git a/contracts/feature-tests/exchange-features/multiversx.json b/contracts/feature-tests/exchange-features/multiversx.json
new file mode 100644
index 0000000000..7365539625
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/multiversx.json
@@ -0,0 +1,3 @@
+{
+    "language": "rust"
+}
\ No newline at end of file
diff --git a/contracts/feature-tests/exchange-features/src/exchange_features.rs b/contracts/feature-tests/exchange-features/src/exchange_features.rs
new file mode 100644
index 0000000000..fd048e72c8
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/src/exchange_features.rs
@@ -0,0 +1,72 @@
+#![no_std]
+
+multiversx_sc::imports!();
+multiversx_sc::derive_imports!();
+
+#[derive(
+    ManagedVecItem,
+    TopEncode,
+    TopDecode,
+    NestedEncode,
+    NestedDecode,
+    TypeAbi,
+    Clone,
+    PartialEq,
+    Debug,
+)]
+pub struct TokenAttributes<M: ManagedTypeApi> {
+    pub amount: BigUint<M>,
+}
+
+impl<M: ManagedTypeApi> FixedSupplyToken<M> for TokenAttributes<M> {
+    fn get_total_supply(&self) -> BigUint<M> {
+        self.amount.clone()
+    }
+
+    fn into_part(self, payment_amount: &BigUint<M>) -> Self {
+        let new_amount = self.rule_of_three_non_zero_result(payment_amount, &self.amount);
+        TokenAttributes { amount: new_amount }
+    }
+}
+impl<M: ManagedTypeApi> Mergeable<M> for TokenAttributes<M> {
+    #[inline]
+    fn can_merge_with(&self, _other: &Self) -> bool {
+        true
+    }
+
+    fn merge_with(&mut self, other: Self) {
+        self.error_if_not_mergeable(&other);
+
+        self.amount += other.amount
+    }
+}
+
+#[multiversx_sc::contract]
+pub trait ExchangeFeatures {
+    #[storage_mapper("supply")]
+    fn supply(&self) -> SingleValueMapper<TokenAttributes<Self::Api>>;
+
+    #[init]
+    fn init(&self, initial_value: BigUint) {
+        self.supply().set(TokenAttributes {
+            amount: initial_value,
+        });
+    }
+
+    #[upgrade]
+    fn upgrade(&self, value: BigUint) {
+        let token = self.supply().get();
+        self.supply().set(token.into_part(&value));
+    }
+
+    #[endpoint]
+    fn merge(&self, value: BigUint) {
+        self.supply()
+            .update(|token| token.merge_with(TokenAttributes { amount: value }));
+    }
+
+    #[endpoint]
+    fn get_supply(&self) -> BigUint {
+        self.supply().get().get_total_supply()
+    }
+}
diff --git a/contracts/feature-tests/exchange-features/tests/exchange_features_blackbox_test.rs b/contracts/feature-tests/exchange-features/tests/exchange_features_blackbox_test.rs
new file mode 100644
index 0000000000..6ea73fb3a6
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/tests/exchange_features_blackbox_test.rs
@@ -0,0 +1,83 @@
+use multiversx_sc_scenario::{scenario_model::*, *};
+
+const EXCHANGE_FEATURES_PATH_EXPR: &str = "mxsc:output/exchange-features.mxsc.json";
+
+fn world() -> ScenarioWorld {
+    let mut blockchain = ScenarioWorld::new();
+    blockchain.set_current_dir_from_workspace("contracts/feature-tests/exchange-features");
+
+    blockchain.register_contract(
+        EXCHANGE_FEATURES_PATH_EXPR,
+        exchange_features::ContractBuilder,
+    );
+    blockchain
+}
+
+#[test]
+fn exchange_features_blackbox_raw() {
+    let mut world = world();
+    let exchange_features_code = world.code_expression(EXCHANGE_FEATURES_PATH_EXPR);
+
+    world
+        .set_state_step(
+            SetStateStep::new()
+                .put_account("address:owner", Account::new().nonce(1))
+                .new_address("address:owner", 1, "sc:exchange-features"),
+        )
+        .sc_deploy(
+            ScDeployStep::new()
+                .from("address:owner")
+                .code(&exchange_features_code)
+                .argument("5")
+                .expect(TxExpect::ok().no_result()),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("get_supply")
+                .expect(TxExpect::ok().result("5")),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("merge")
+                .argument("3")
+                .expect(TxExpect::ok().no_result()),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("get_supply")
+                .expect(TxExpect::ok().result("8")),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("upgradeContract")
+                .argument(&exchange_features_code)
+                .argument("0x0502") // codeMetadata
+                .argument("0") // contract argument
+                .expect(TxExpect::user_error("str:Zero amount")),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("upgradeContract")
+                .argument(exchange_features_code)
+                .argument("0x0502") // codeMetadata
+                .argument("3") // contract argument
+                .expect(TxExpect::ok().no_result()),
+        )
+        .sc_call(
+            ScCallStep::new()
+                .from("address:owner")
+                .to("sc:exchange-features")
+                .function("get_supply")
+                .expect(TxExpect::ok().result("3")),
+        );
+}
diff --git a/contracts/feature-tests/exchange-features/wasm/Cargo.lock b/contracts/feature-tests/exchange-features/wasm/Cargo.lock
new file mode 100644
index 0000000000..e9ffb74f36
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/wasm/Cargo.lock
@@ -0,0 +1,170 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "arrayvec"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96d30a06541fbafbc7f82ed10c06164cfbd2c401138f6addd8404629c4b16711"
+
+[[package]]
+name = "autocfg"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1fdabc7756949593fe60f30ec81974b613357de856987752631dea1e3394c80"
+
+[[package]]
+name = "bitflags"
+version = "2.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
+
+[[package]]
+name = "endian-type"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c34f04666d835ff5d62e058c3995147c06f42fe86ff053337632bca83e42702d"
+
+[[package]]
+name = "exchange-features"
+version = "0.0.0"
+dependencies = [
+ "multiversx-sc",
+]
+
+[[package]]
+name = "exchange-features-wasm"
+version = "0.0.0"
+dependencies = [
+ "exchange-features",
+ "multiversx-sc-wasm-adapter",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
+[[package]]
+name = "multiversx-sc"
+version = "0.47.8"
+dependencies = [
+ "bitflags",
+ "hex-literal",
+ "multiversx-sc-codec",
+ "multiversx-sc-derive",
+ "num-traits",
+]
+
+[[package]]
+name = "multiversx-sc-codec"
+version = "0.18.6"
+dependencies = [
+ "arrayvec",
+ "multiversx-sc-codec-derive",
+]
+
+[[package]]
+name = "multiversx-sc-codec-derive"
+version = "0.18.6"
+dependencies = [
+ "hex",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "multiversx-sc-derive"
+version = "0.47.8"
+dependencies = [
+ "hex",
+ "proc-macro2",
+ "quote",
+ "radix_trie",
+ "syn",
+]
+
+[[package]]
+name = "multiversx-sc-wasm-adapter"
+version = "0.47.8"
+dependencies = [
+ "multiversx-sc",
+]
+
+[[package]]
+name = "nibble_vec"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a5d83df9f36fe23f0c3648c6bbb8b0298bb5f1939c8f2704431371f4b84d43"
+dependencies = [
+ "smallvec",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.78"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "radix_trie"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c069c179fcdc6a2fe24d8d18305cf085fdbd4f922c041943e203685d6a1c58fd"
+dependencies = [
+ "endian-type",
+ "nibble_vec",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
+
+[[package]]
+name = "syn"
+version = "2.0.48"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
diff --git a/contracts/feature-tests/exchange-features/wasm/Cargo.toml b/contracts/feature-tests/exchange-features/wasm/Cargo.toml
new file mode 100644
index 0000000000..af96286900
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/wasm/Cargo.toml
@@ -0,0 +1,32 @@
+# Code generated by the multiversx-sc build system. DO NOT EDIT.
+
+# ##########################################
+# ############## AUTO-GENERATED #############
+# ##########################################
+
+[package]
+name = "exchange-features-wasm"
+version = "0.0.0"
+edition = "2021"
+publish = false
+
+[lib]
+crate-type = ["cdylib"]
+
+[profile.release]
+codegen-units = 1
+opt-level = "z"
+lto = true
+debug = false
+panic = "abort"
+overflow-checks = false
+
+[dependencies.exchange-features]
+path = ".."
+
+[dependencies.multiversx-sc-wasm-adapter]
+version = "0.48.0-alpha.1"
+path = "../../../../framework/wasm-adapter"
+
+[workspace]
+members = ["."]
diff --git a/contracts/feature-tests/exchange-features/wasm/src/lib.rs b/contracts/feature-tests/exchange-features/wasm/src/lib.rs
new file mode 100644
index 0000000000..b0842b89d6
--- /dev/null
+++ b/contracts/feature-tests/exchange-features/wasm/src/lib.rs
@@ -0,0 +1,29 @@
+// Code generated by the multiversx-sc build system. DO NOT EDIT.
+
+////////////////////////////////////////////////////
+////////////////// AUTO-GENERATED //////////////////
+////////////////////////////////////////////////////
+
+// Init:                                 1
+// Endpoints:                            3
+// Async Callback (empty):               1
+// Total number of exported functions:   5
+
+#![no_std]
+#![allow(internal_features)]
+#![feature(lang_items)]
+
+multiversx_sc_wasm_adapter::allocator!();
+multiversx_sc_wasm_adapter::panic_handler!();
+
+multiversx_sc_wasm_adapter::endpoints! {
+    exchange_features
+    (
+        init => init
+        upgrade => upgrade
+        merge => merge
+        get_supply => get_supply
+    )
+}
+
+multiversx_sc_wasm_adapter::async_callback_empty! {}
diff --git a/framework/base/src/types/managed/wrapped/mod.rs b/framework/base/src/types/managed/wrapped/mod.rs
index 5a5e907403..a6eb5005b8 100644
--- a/framework/base/src/types/managed/wrapped/mod.rs
+++ b/framework/base/src/types/managed/wrapped/mod.rs
@@ -17,6 +17,7 @@ mod managed_vec_ref_iter;
 pub(crate) mod preloaded_managed_buffer;
 mod randomness_source;
 mod token_identifier;
+mod traits;
 
 pub use egld_or_esdt_token_identifier::EgldOrEsdtTokenIdentifier;
 pub use egld_or_esdt_token_payment::EgldOrEsdtTokenPayment;
@@ -37,3 +38,8 @@ pub use managed_vec_ref::ManagedVecRef;
 pub use managed_vec_ref_iter::ManagedVecRefIterator;
 pub use randomness_source::RandomnessSource;
 pub use token_identifier::TokenIdentifier;
+
+pub use traits::{
+    fixed_token_supply::FixedSupplyToken,
+    mergeable::{ExternallyMergeable, Mergeable},
+};
diff --git a/framework/base/src/types/managed/wrapped/traits/fixed_token_supply.rs b/framework/base/src/types/managed/wrapped/traits/fixed_token_supply.rs
new file mode 100644
index 0000000000..838486c203
--- /dev/null
+++ b/framework/base/src/types/managed/wrapped/traits/fixed_token_supply.rs
@@ -0,0 +1,31 @@
+use crate::imports::{BigUint, ErrorApiImpl, ManagedTypeApi};
+
+pub trait FixedSupplyToken<M: ManagedTypeApi> {
+    fn get_total_supply(&self) -> BigUint<M>;
+
+    fn into_part(self, payment_amount: &BigUint<M>) -> Self;
+
+    /// full_value * current_supply / total_supply
+    fn rule_of_three(&self, current_supply: &BigUint<M>, full_value: &BigUint<M>) -> BigUint<M> {
+        let total_supply = self.get_total_supply();
+        if current_supply == &total_supply {
+            return full_value.clone();
+        }
+
+        (full_value * current_supply) / total_supply
+    }
+
+    /// full_value * current_supply / total_supply
+    fn rule_of_three_non_zero_result(
+        &self,
+        current_supply: &BigUint<M>,
+        full_value: &BigUint<M>,
+    ) -> BigUint<M> {
+        let result = self.rule_of_three(current_supply, full_value);
+        if result == 0 {
+            M::error_api_impl().signal_error(b"Zero amount");
+        }
+
+        result
+    }
+}
diff --git a/framework/base/src/types/managed/wrapped/traits/mergeable.rs b/framework/base/src/types/managed/wrapped/traits/mergeable.rs
new file mode 100644
index 0000000000..2ed714973a
--- /dev/null
+++ b/framework/base/src/types/managed/wrapped/traits/mergeable.rs
@@ -0,0 +1,62 @@
+use crate::imports::{ErrorApiImpl, EsdtTokenPayment, ManagedTypeApi, ManagedVec, ManagedVecItem};
+
+pub static CANNOT_MERGE_ERR_MSG: &[u8] = b"Cannot merge";
+
+/// Used for types that can be merged locally.
+pub trait Mergeable<M: ManagedTypeApi> {
+    fn error_if_not_mergeable(&self, other: &Self) {
+        if !self.can_merge_with(other) {
+            throw_not_mergeable_error::<M>();
+        }
+    }
+
+    fn can_merge_with(&self, other: &Self) -> bool;
+
+    fn merge_with(&mut self, other: Self);
+
+    fn merge_with_multiple(&mut self, others: ManagedVec<M, Self>)
+    where
+        Self: Sized + ManagedVecItem,
+    {
+        for item in &others {
+            self.merge_with(item);
+        }
+    }
+}
+
+/// Used when merging is done through an external SC call.
+/// Generally, these only need to have the same token ID, with different nonces.
+pub trait ExternallyMergeable<M: ManagedTypeApi> {
+    fn error_if_not_externally_mergeable(&self, other: &Self) {
+        if !self.can_be_merged_externally_with(other) {
+            throw_not_mergeable_error::<M>();
+        }
+    }
+
+    fn can_be_merged_externally_with(&self, other: &Self) -> bool;
+}
+
+pub fn throw_not_mergeable_error<M: ManagedTypeApi>() -> ! {
+    M::error_api_impl().signal_error(CANNOT_MERGE_ERR_MSG);
+}
+
+impl<M: ManagedTypeApi> Mergeable<M> for EsdtTokenPayment<M> {
+    fn can_merge_with(&self, other: &Self) -> bool {
+        let same_token_id = self.token_identifier == other.token_identifier;
+        let same_token_nonce = self.token_nonce == other.token_nonce;
+
+        same_token_id && same_token_nonce
+    }
+
+    fn merge_with(&mut self, other: Self) {
+        self.error_if_not_mergeable(&other);
+
+        self.amount += other.amount;
+    }
+}
+
+impl<M: ManagedTypeApi> ExternallyMergeable<M> for EsdtTokenPayment<M> {
+    fn can_be_merged_externally_with(&self, other: &Self) -> bool {
+        self.token_identifier == other.token_identifier
+    }
+}
diff --git a/framework/base/src/types/managed/wrapped/traits/mod.rs b/framework/base/src/types/managed/wrapped/traits/mod.rs
new file mode 100644
index 0000000000..2a9f147fdc
--- /dev/null
+++ b/framework/base/src/types/managed/wrapped/traits/mod.rs
@@ -0,0 +1,2 @@
+pub(crate) mod fixed_token_supply;
+pub(crate) mod mergeable;