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op-deployer: Test for existing OPCM (ethereum-optimism#12257)
* op-deployer: Test for existing OPCM Adds a test for deployments against an existing OPCM. The test works by spinning up an Anvil instance and forking Sepolia. To run this test, you'll need to specify two env vars: - `SEPOLIA_RPC_URL`: RPC URL for a Sepolia node. - `ENABLE_ANVIL`: Set to `true` to enable the test. In CI, the test uses our internal CI RPC nodes. * goimports * ensure streams close * lint * run anvil as part of unit not integration tests * simplify * remove foundry from kurtosis * use auto mine * mount artifacts * redeploy OPCM * comment
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| package anvil | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "os/exec" | ||
| "strconv" | ||
| "strings" | ||
| "sync" | ||
| "testing" | ||
|
|
||
| "github.com/ethereum/go-ethereum/log" | ||
| ) | ||
|
|
||
| func Test(t *testing.T) { | ||
| if os.Getenv("ENABLE_ANVIL") == "" { | ||
| t.Skip("skipping Anvil test") | ||
| } | ||
| } | ||
|
|
||
| const AnvilPort = 31967 | ||
|
|
||
| type Runner struct { | ||
| proc *exec.Cmd | ||
| stdout io.ReadCloser | ||
| stderr io.ReadCloser | ||
| logger log.Logger | ||
| startedCh chan struct{} | ||
| wg sync.WaitGroup | ||
| } | ||
|
|
||
| func New(l1RPCURL string, logger log.Logger) (*Runner, error) { | ||
| proc := exec.Command( | ||
| "anvil", | ||
| "--fork-url", l1RPCURL, | ||
| "--port", | ||
| strconv.Itoa(AnvilPort), | ||
| ) | ||
| stdout, err := proc.StdoutPipe() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| stderr, err := proc.StderrPipe() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &Runner{ | ||
| proc: proc, | ||
| stdout: stdout, | ||
| stderr: stderr, | ||
| logger: logger, | ||
| startedCh: make(chan struct{}, 1), | ||
| }, nil | ||
| } | ||
|
|
||
| func (r *Runner) Start(ctx context.Context) error { | ||
| if err := r.proc.Start(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| r.wg.Add(2) | ||
| go r.outputStream(r.stdout) | ||
| go r.outputStream(r.stderr) | ||
|
|
||
| select { | ||
| case <-r.startedCh: | ||
| return nil | ||
| case <-ctx.Done(): | ||
| return ctx.Err() | ||
| } | ||
| } | ||
|
|
||
| func (r *Runner) Stop() error { | ||
| err := r.proc.Process.Signal(os.Interrupt) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // make sure the output streams close | ||
| defer r.wg.Wait() | ||
| return r.proc.Wait() | ||
| } | ||
|
|
||
| func (r *Runner) outputStream(stream io.ReadCloser) { | ||
| defer r.wg.Done() | ||
| scanner := bufio.NewScanner(stream) | ||
| listenLine := fmt.Sprintf("Listening on 127.0.0.1:%d", AnvilPort) | ||
| started := sync.OnceFunc(func() { | ||
| r.startedCh <- struct{}{} | ||
| }) | ||
|
|
||
| for scanner.Scan() { | ||
| line := scanner.Text() | ||
| if strings.Contains(line, listenLine) { | ||
| started() | ||
| } | ||
|
|
||
| r.logger.Debug("[ANVIL] " + scanner.Text()) | ||
| } | ||
| } | ||
|
|
||
| func (r *Runner) RPCUrl() string { | ||
| return fmt.Sprintf("http://localhost:%d", AnvilPort) | ||
| } |