feat: GitHub Action for testing on push/PR

.github/FUNDING.yml

@@ -1,5 +1,4 @@
 # These are supported funding model platforms
 
-github: [novusnota]
 ko_fi: novusnota
 # for crypto, check out DONATE.md

.github/workflows/check_and_test.yml

@@ -0,0 +1,35 @@
+name: ✅ Check and test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+concurrency:
+  group: ci-${{github.actor}}-${{github.head_ref || github.run_number}}-${{github.ref}}-check-and-test
+  cancel-in-progress: true
+
+jobs:
+  check-and-test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dart-lang/setup-dart@v1
+        with:
+          sdk: stable
+
+      - name: Install dependencies
+        run: dart pub get
+
+      - name: Verify formatting
+        run: dart format --output=none --set-exit-if-changed .
+
+      - name: Analyze project source
+        run: dart analyze --fatal-infos
+
+      - name: Run tests
+        run: dart test

test/client/jsonrpc_test.dart

@@ -1,8 +1,9 @@
+@Skip('Can fail due to errors on the toncenter side, skipping for now.')
 @TestOn('vm')
 
 import 'dart:io' show File;
 import 'package:tonutils/tonutils.dart' show InternalAddress, TonJsonRpc, TiInt;
-import 'package:test/test.dart' show TestOn, group, test; // expect
+import 'package:test/test.dart' show Skip, TestOn, group, test; // expect
 
 void main() {
   var apiKeyMainnet =