[MD-817] Fix copyright for repos

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: CI
+name: Test
 
 on:
   push:
@@ -131,3 +131,20 @@ jobs:
           lcov-base: coverage/base_lcov.lcov
           delete-old-comments: true
           github-token: ${{ secrets.GITHUB_TOKEN }}
+  check-copyright:
+    runs-on: ubuntu-latest
+    needs: [ "set-tags" ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ needs.set-tags.outputs.git_ref }}
+      - name: Find un-copyrighted files
+        run: |
+          find . -name '*.sol' -exec grep -H -E -o -c Copyright {} \; | grep ':0' || true
+          FILECOUNT=$(find . -name '*.sol' -exec grep -H -E -o -c Copyright {} \; | grep -c ':0' || true)
+          if [[ $FILECOUNT -eq 0 ]]; then
+              true
+          else
+              false
+          fi

src/contracts/libraries/QuickSort.sol

@@ -1,4 +1,17 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+// Copyright (C) Moondance Labs Ltd.
+// This file is part of Tanssi.
+// Tanssi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// Tanssi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// You should have received a copy of the GNU General Public License
+// along with Tanssi.  If not, see <http://www.gnu.org/licenses/>
 pragma solidity ^0.8.0;
 
 import {IMiddleware} from "../../interfaces/middleware/IMiddleware.sol";