diff --git a/.DS_Store b/.DS_Store
index c582d2f..a37103b 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.github/workflows/contract.yml b/.github/workflows/contract.yml
index 3de93f1..6cd729f 100644
--- a/.github/workflows/contract.yml
+++ b/.github/workflows/contract.yml
@@ -44,3 +44,34 @@ jobs:
 
     - name: Run tests
       run: cargo test -r --all -- --ignored
+
+    - name: Build for WASM
+      run: cargo build --release --target wasm32-unknown-unknown
+
+    - name: Collect artifacts
+      run: |
+        mkdir -p artifacts
+        cp target/wasm32-unknown-unknown/release/*.wasm artifacts/
+        cp target/wasm32-unknown-unknown/release/*.idl artifacts/
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: build-artifacts
+        path: artifacts/*
+
+    - name: Publish artifacts to GitHub Packages
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        echo "Publishing artifacts to GitHub Packages"
+        mkdir -p packages
+        for file in artifacts/*; do
+          filename=$(basename "$file")
+          curl -u "${{ secrets.GITHUB_ACTOR }}:${{ secrets.GITHUB_TOKEN }}" \
+            -X POST \
+            -H "Content-Type: application/octet-stream" \
+            --data-binary @"$file" \
+            https://api.github.com/repos/${{ github.repository }}/packages \
+            -H "Accept: application/vnd.github.v3+json"
+        done
diff --git a/extended-vft/app/src/services/extended_vft/mod.rs b/extended-vft/app/src/services/extended_vft/mod.rs
index 6adc23b..f0d2fdb 100644
--- a/extended-vft/app/src/services/extended_vft/mod.rs
+++ b/extended-vft/app/src/services/extended_vft/mod.rs
@@ -1,3 +1,4 @@
+#![allow(static_mut_refs)]
 use gstd::msg;
 use sails_rs::{collections::HashSet, gstd::service, prelude::*};
 mod funcs;
diff --git a/extended-vmt/app/src/services/extended_vmt/mod.rs b/extended-vmt/app/src/services/extended_vmt/mod.rs
index 942503c..ce6b78f 100644
--- a/extended-vmt/app/src/services/extended_vmt/mod.rs
+++ b/extended-vmt/app/src/services/extended_vmt/mod.rs
@@ -1,3 +1,4 @@
+#![allow(static_mut_refs)]
 use gstd::msg;
 use sails_rs::{
     collections::{HashMap, HashSet},
diff --git a/extended-vnft/app/src/services/extended_vnft/mod.rs b/extended-vnft/app/src/services/extended_vnft/mod.rs
index df1572e..ea63733 100644
--- a/extended-vnft/app/src/services/extended_vnft/mod.rs
+++ b/extended-vnft/app/src/services/extended_vnft/mod.rs
@@ -1,3 +1,4 @@
+#![allow(static_mut_refs)]
 use gstd::msg;
 use sails_rs::{
     collections::{HashMap, HashSet},
diff --git a/vft-service/src/lib.rs b/vft-service/src/lib.rs
index f90df85..8b8100a 100644
--- a/vft-service/src/lib.rs
+++ b/vft-service/src/lib.rs
@@ -1,6 +1,7 @@
 #![no_std]
 #![allow(clippy::new_without_default)]
 #![allow(unused_imports)]
+#![allow(static_mut_refs)]
 use core::fmt::Debug;
 use sails_rs::{
     collections::HashMap,
diff --git a/vmt-service/src/lib.rs b/vmt-service/src/lib.rs
index 61120b1..f75f964 100644
--- a/vmt-service/src/lib.rs
+++ b/vmt-service/src/lib.rs
@@ -1,5 +1,6 @@
 #![no_std]
 #![allow(clippy::new_without_default)]
+#![allow(static_mut_refs)]
 use crate::utils::*;
 use core::fmt::Debug;
 use sails_rs::{
diff --git a/vnft-service/src/lib.rs b/vnft-service/src/lib.rs
index 7d08c2d..5983437 100644
--- a/vnft-service/src/lib.rs
+++ b/vnft-service/src/lib.rs
@@ -1,5 +1,6 @@
 #![no_std]
 #![allow(clippy::new_without_default)]
+#![allow(static_mut_refs)]
 use crate::utils::*;
 use core::fmt::Debug;
 use sails_rs::{