diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d7b8364..49eb654 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     name: Build Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           submodules: 'recursive'
 
@@ -20,6 +20,59 @@ jobs:
         with:
           go-version: '1.22'
 
+      - name: Cache cargo registry
+        uses: actions/cache@v3
+        with:
+          path: |
+            juno/vm/rust/target
+            juno/core/rust/target
+            juno/starknet/rust/target
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('juno/vm/rust/Cargo.lock') }}
+    
       - name: Try make
         run: |
-          make build
+          make build && ls -lh
+      
+      - uses: actions/upload-artifact@v4
+        with:
+          name: itachi-${{ github.sha }}
+          path: |
+            ./itachi
+            ./conf
+          retention-days: 1
+
+  testing:
+    name: Integration Test
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          repository: 'reddio-com/itachi-testing'
+          submodules: 'recursive'
+          token: ${{ secrets.REDDIO_PAT }}
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: itachi-${{ github.sha }}
+      
+      - name: Run tests
+        run: |
+          pwd && ls -lh && ls ./itachi && chmod +x ./itachi
+          # Run itachi in the background
+          ./itachi &
+      
+      - name: Run tests
+        run: |
+          cd python
+          python3 transfer_100_eth.py
\ No newline at end of file
diff --git a/go.sum b/go.sum
index 7b7b2fc..ebc775a 100644
--- a/go.sum
+++ b/go.sum
@@ -713,14 +713,6 @@ github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
-github.com/yu-org/yu v0.0.0-20240304032425-96f322155c80 h1:kjLnfYWcbxz1r6zSbAZvaaPPvnqhMWOpM6P4mXBbaZM=
-github.com/yu-org/yu v0.0.0-20240304032425-96f322155c80/go.mod h1:W2qfPLdMEmzOymqCFxb3vN+fjZT94CoWPCVPtpgxwdo=
-github.com/yu-org/yu v0.0.0-20240313145627-f19c30d5b5ba h1:28BKXCi77oSEGc3gxkHxA0KvEo+PlArOWuqkxquXUDw=
-github.com/yu-org/yu v0.0.0-20240313145627-f19c30d5b5ba/go.mod h1:W2qfPLdMEmzOymqCFxb3vN+fjZT94CoWPCVPtpgxwdo=
-github.com/yu-org/yu v0.0.0-20240315043453-1f8f3092c6fd h1:Bb4n+5jIc+WsJvk7BntTR5wIu01fHe+BasAFUSbz8eY=
-github.com/yu-org/yu v0.0.0-20240315043453-1f8f3092c6fd/go.mod h1:W2qfPLdMEmzOymqCFxb3vN+fjZT94CoWPCVPtpgxwdo=
-github.com/yu-org/yu v0.0.0-20240320054640-156a6118f08b h1:eqXeQDuE26N/BGkPbgtfdhVs1Y6iO/beedAPy49rOgk=
-github.com/yu-org/yu v0.0.0-20240320054640-156a6118f08b/go.mod h1:W2qfPLdMEmzOymqCFxb3vN+fjZT94CoWPCVPtpgxwdo=
 github.com/yu-org/yu v0.0.0-20240320055213-cb9a4b6cf999 h1:S+phH6kSI3Opbhr2AvJMu38SAbUqOlV3ayI0U9Ak54o=
 github.com/yu-org/yu v0.0.0-20240320055213-cb9a4b6cf999/go.mod h1:W2qfPLdMEmzOymqCFxb3vN+fjZT94CoWPCVPtpgxwdo=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=