Feature/implement cario coverage & increase coverage

.github/workflows/check.yml

@@ -24,3 +24,19 @@ jobs:
             - uses: asdf-vm/actions/install@v3
             - run: scarb test
               working-directory: contracts
+
+    coverage:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v4
+        - uses: asdf-vm/actions/install@v3
+        - run: curl -L https://raw.githubusercontent.com/software-mansion/cairo-coverage/main/scripts/install.sh | sh
+
+        - name: Run tests and generate report
+          run: cd contracts/ && snforge test --coverage
+
+        - name: Upload coverage to Codecov
+          uses: codecov/codecov-action@v4
+          with:
+            file: ./coverage.lcov
+            token: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -2,5 +2,10 @@
 contracts/target
 contracts/.snfoundry_cache/
 
+# snforge --coverage
+contracts/.snfoundry_versioned_programs
+contracts/snfoundry_trace
+contracts/coverage
+
 # `mac`
 **/.DS_Store

contracts/Scarb.toml

@@ -3,8 +3,14 @@ name = "kudos"
 version = "0.1.0"
 edition = "2024_07"
 
+[cairo]
+unstable-add-statements-code-locations-debug-info = true
+unstable-add-statements-functions-debug-info = true
+inlining-strategy = "avoid"
+
 [scripts]
 test = "snforge test"
+coverage = "snforge test --coverage"
 
 [tool.fmt]
 sort-module-level-items = true

contracts/src/kudos.cairo

@@ -135,10 +135,5 @@ pub mod Kudos {
         fn balance_of(self: @ContractState, account: ContractAddress) -> u256 {
             self.erc20.balance_of(account)
         }
-        fn allowance(
-            self: @ContractState, owner: ContractAddress, spender: ContractAddress
-        ) -> u256 {
-            self.erc20.allowance(owner, spender)
-        }
     }
 }