feat: added option to run Golang JSON RPC methods against local node …

…& added Golang JSON RPC workflow

Signed-off-by: Marcin Piela (ArianeLabs) <marcin.piela@arianelabs.com>

.github/workflows/dev-tool-test.yml

@@ -34,3 +34,10 @@ jobs:
     with:
       command: cd ./tools/web3js-example/ && npm run test
       directory: ./tools/web3js-example
+
+  golang:
+    name: Golang
+    uses: ./.github/workflows/dev-tool-workflow.yml
+    with:
+      command: cd ./tools/golang-json-rpc-tests/ && go run . && go run . --wss
+      directory: ./tools/golang-json-rpc-tests

.github/workflows/dev-tool-workflow.yml

@@ -32,6 +32,11 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
+      - name: Install go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.22.3'
+
       - name: Install packages
         run: npm ci
 

tools/golang-json-rpc-tests/.env.example

@@ -0,0 +1,4 @@
+# The operator private keys start with "0x" and are in hexadecimal format
+# Your account alias ECDSA hex-encoded private key (Ex: 0xb46751179bc8aa9e129d34463e46cd...)
+OPERATOR_PRIVATE_KEY=0x105d050185ccb907fba04dd92d8de9e32c18305e097ab41dadda21489a211524
+RELAY_ENDPOINT='http://localhost:7546'

tools/golang-json-rpc-tests/README.md

@@ -34,7 +34,7 @@ go get github.com/ethereum/go-ethereum/ethclient \
 
 5. Copy `.env.example` to `.env`
 
-6. Run the test script from the root directory of the project. The default network is set to "testnet".
+6. Run the test script from the root directory of the project. The default network is set through the `RELAY_ENDPOINT` environment variable.
 
    ```shell
    go run .
@@ -46,12 +46,14 @@ go get github.com/ethereum/go-ethereum/ethclient \
    go run . --wss
    ```
 
-   To run tests on mainnet or previewnet run one of the following commands:
+   To run tests on mainnet, previewnet or testnet run one of the following commands:
    ```shell
    go run . --mainnet
    go run . --previewnet
+   go run . --testnet
    go run . --mainnet --wss
    go run . --previewnet --wss
+   go run . --testnet --wss
    ```
 
 # Deployment of SampleContract During Tests

tools/golang-json-rpc-tests/main.go

@@ -53,6 +53,7 @@ func main() {
     }
     mainnet := flag.Bool("mainnet", false, "Use mainnet network")
     previewnet := flag.Bool("previewnet", false, "Use previewnet network")
+    testnet := flag.Bool("testnet", false, "Use testnet network")
     wss := flag.Bool("wss", false, "Enable WebSocket Secure protocol")
     privateKeyHex := os.Getenv("OPERATOR_PRIVATE_KEY")
 
@@ -63,12 +64,16 @@ func main() {
         endpointUrl = mainnetEndpoint
     case *previewnet:
         endpointUrl = previewnetEndpoint
-    default:
+    case *testnet:
         endpointUrl = testnetEndpoint
+    default:
+        endpointUrl = os.Getenv("RELAY_ENDPOINT")
     }
     if *wss {
+        endpointUrl = strings.Replace(endpointUrl, "http://", "ws://", 1)
         endpointUrl = strings.Replace(endpointUrl, "https://", "wss://", 1)
         endpointUrl = strings.Replace(endpointUrl, "/api", "/ws", 1)
+        endpointUrl = strings.Replace(endpointUrl, ":7546", ":8546", 1)
     }
     client, err := ethclient.Dial(endpointUrl)
     if err != nil {