Add github workflow

.github/workflows/node.js.yml

@@ -0,0 +1,29 @@
+# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Solidity contract build and test
+
+on:
+  push:
+    branches: [master, main]
+  pull_request:
+    branches: [master, main]
+
+jobs:
+  core-tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18.x]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: "recursive"
+      - name: Build and test Solidity contracts
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: ls -al ./contracts
+      - run: cd contracts && npm install && npm ci
+      - run: cd contracts && npx hardhat compile
+      - run: cd contracts && npx hardhat test

test/liquidERC20.ts

@@ -299,7 +299,7 @@ describe('TestLiquidERC20', () => {
 
    it("BigNumber Agent Staking", async () => {
       const start = Date.now();
-      const five_minutes = 5 * 60 * 1000;
+      const three_minutes = 3 * 60 * 1000;
       const stakerActionsPerWithdrawal = 5;
       const ownerActionsPerWithdrawal = 2;
       let deployer = signers[0];
@@ -363,7 +363,7 @@ describe('TestLiquidERC20', () => {
       }
 
       let w = -1;
-      while (Date.now() - start < five_minutes) {
+      while (Date.now() - start < three_minutes) {
         w += 1;
         console.log("Withdrawal " + w)
         for (let s = 0; s < stakerActionsPerWithdrawal; s++) {