Feat: Add OpenZeppelin ERC20 tests

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: Smart Contracts CI
+
+on:
+    - push
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v3
+
+            - name: Install Node.js
+              uses: actions/setup-node@v3
+              with:
+                  node-version: 18.18.0
+
+            - name: Install dependencies
+              run: cd web3 && npm install
+
+            - name: Run Hardhat tests
+              run: cd web3 && npx hardhat test

web3/contracts/Token/Game7Token.sol

@@ -20,28 +20,29 @@ contract Game7Token is IERC20 {
         totalSupply = _totalSupply;
     }
 
-    function approve(address spender, uint256 value) external returns (bool) {
-        allowance[msg.sender][spender] = value;
-        emit Approval(msg.sender, spender, value);
+    function approve(address spender, uint256 amount) external returns (bool) {
+        allowance[msg.sender][spender] = amount;
+        emit Approval(msg.sender, spender, amount);
         return true;
     }
 
-    function transfer(address to, uint256 value) external returns (bool) {
-        return transferFrom(msg.sender, to, value);
+    function transfer(address to, uint256 amount) external returns (bool) {
+        return transferFrom(msg.sender, to, amount);
     }
 
-    function transferFrom(address from, address to, uint256 value) public returns (bool) {
-        require(balanceOf[from] >= value);
+    function transferFrom(address from, address to, uint256 amount) public returns (bool) {
+        require(balanceOf[from] >= amount, 'ERC20: transfer amount exceeds balance');
+
 
-        if (msg.sender != from && allowance[from][msg.sender] != 0) {
-            require(allowance[from][msg.sender] >= value);
-            allowance[from][msg.sender] -= value;
-        }
+        if (msg.sender != from && allowance[from][msg.sender] != type(uint256).max) {
+            require(allowance[from][msg.sender] >= amount, 'ERC20: insufficient allowance');
+            allowance[from][msg.sender] -= amount;
+        } 
 
-        balanceOf[from] -= value;
-        balanceOf[to] += value;
+        balanceOf[from] -= amount;
+        balanceOf[to] += amount;
 
-        emit Transfer(from, to, value);
+        emit Transfer(from, to, amount);
 
         return true;
     }

web3/hardhat.config.ts

@@ -6,7 +6,6 @@ import { ChainId, NetworkExplorer, NetworkName, rpcUrls } from "./constants/netw
 dotenv.config()
 
 const {
-  DEPLOYER_PRIVATE_KEY,
   ETHSCAN_API_KEY,
   ARB_SCAN_API_KEY,
 } = process.env
@@ -41,22 +40,18 @@ const config: HardhatUserConfig = {
     [NetworkName.Ethereum]: {
       chainId: ChainId.Ethereum,
       url: rpcUrls[ChainId.Ethereum],
-      accounts: [DEPLOYER_PRIVATE_KEY || ''],
     },
     [NetworkName.ArbitrumOne]: {
       chainId: ChainId.ArbitrumOne,
       url: rpcUrls[ChainId.ArbitrumOne],
-      accounts: [DEPLOYER_PRIVATE_KEY || ''],
     },
     [NetworkName.Game7OrbitArbSepolia]: {
       url: rpcUrls[ChainId.Game7OrbitArbSepolia],
-      accounts: [DEPLOYER_PRIVATE_KEY || ''],
       chainId: ChainId.Game7OrbitArbSepolia,
     },
     [NetworkName.Game7OrbitBaseSepolia]: {
-        url: rpcUrls[ChainId.Game7OrbitBaseSepolia],
-        accounts: [DEPLOYER_PRIVATE_KEY || ''],
-        chainId: ChainId.Game7OrbitBaseSepolia,
+      url: rpcUrls[ChainId.Game7OrbitBaseSepolia],
+      chainId: ChainId.Game7OrbitBaseSepolia,
     },
   },
 };

web3/helpers/type.ts

@@ -0,0 +1,3 @@
+import { ethers } from "hardhat";
+
+export type HardhatEthersSigner = Awaited<ReturnType<typeof ethers.getSigner>>;