use new auth and use modern ci syntax

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: 'yarn'
+      - run: yarn
+      - run: yarn lint
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: 'yarn'
+      - run: yarn
+      - run: yarn test
+        env:
+          RPC_AUTH_HEADER: ${{ secrets.RPC_AUTH_HEADER }}
+          MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
+          AVAX_RPC_URL: ${{ secrets.AVAX_RPC_URL}}
+          ARBITRUM_RPC_URL: ${{ secrets.ARBITRUM_RPC_URL }}
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          cache: 'yarn'
+      - run: yarn
+      - run: yarn coverage
+        env:
+          RPC_AUTH_HEADER: ${{ secrets.RPC_AUTH_HEADER }}
+          MAINNET_RPC_URL: ${{ secrets.MAINNET_RPC_URL }}
+          AVAX_RPC_URL: ${{ secrets.AVAX_RPC_URL}}
+          ARBITRUM_RPC_URL: ${{ secrets.ARBITRUM_RPC_URL }}
+      - uses: codecov/codecov-action@v3

hardhat.networks.js

@@ -5,6 +5,9 @@ function register (name, chainId, url, privateKey, etherscanNetworkName, ethersc
     if (url && privateKey && etherscanKey) {
         networks[name] = {
             url,
+            httpHeaders: {
+                'auth-key': process.env.RPC_AUTH_HEADER,
+            },
             chainId,
             accounts: [privateKey],
         };