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feat: fetch rollapp info from chain (#828)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package initrollapp | ||
|
|
||
| import ( | ||
| "crypto/sha256" | ||
| "encoding/hex" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "os/exec" | ||
|
|
||
| comettypes "github.com/cometbft/cometbft/types" | ||
| "github.com/pterm/pterm" | ||
| "github.com/spf13/cobra" | ||
|
|
||
| initconfig "github.com/dymensionxyz/roller/cmd/config/init" | ||
| "github.com/dymensionxyz/roller/cmd/consts" | ||
| "github.com/dymensionxyz/roller/cmd/utils" | ||
| "github.com/dymensionxyz/roller/utils/bash" | ||
| "github.com/dymensionxyz/roller/utils/rollapp" | ||
| ) | ||
|
|
||
| func Cmd() *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "init [rollapp-id]", | ||
| Short: "Inititlize a RollApp", | ||
| Long: ``, | ||
| Args: cobra.MaximumNArgs(1), | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| err := initconfig.AddFlags(cmd) | ||
| if err != nil { | ||
| pterm.Error.Println("failed to add flags") | ||
| return | ||
| } | ||
| home := cmd.Flag(utils.FlagNames.Home).Value.String() | ||
| genesisPath := initconfig.GetGenesisFilePath(home) | ||
|
|
||
| options := []string{"mock", "dymension"} | ||
| backend, _ := pterm.DefaultInteractiveSelect. | ||
| WithDefaultText("select the settlement layer backend"). | ||
| WithOptions(options). | ||
| Show() | ||
|
|
||
| var raID string | ||
| if len(args) != 0 { | ||
| raID = args[0] | ||
| } else { | ||
| raID, _ = pterm.DefaultInteractiveTextInput.WithDefaultText( | ||
| "provide a rollapp ID that you want to run the node for", | ||
| ).Show() | ||
| } | ||
|
|
||
| if backend == "mock" { | ||
| err := runInit(cmd, backend, raID) | ||
| if err != nil { | ||
| fmt.Println("failed to run init: ", err) | ||
| return | ||
| } | ||
| return | ||
| } | ||
|
|
||
| envs := []string{"devnet", "testnet", "mainnet"} | ||
| env, _ := pterm.DefaultInteractiveSelect. | ||
| WithDefaultText("select the node type you want to run"). | ||
| WithOptions(envs). | ||
| Show() | ||
|
|
||
| // TODO: check whether the rollapp exists | ||
| err = runInit(cmd, env, raID) | ||
| if err != nil { | ||
| fmt.Printf("failed to initialize the RollApp: %v\n", err) | ||
| return | ||
| } | ||
|
|
||
| genesisUrl, err := pterm.DefaultInteractiveTextInput.WithDefaultText( | ||
| "provide a genesis file url", | ||
| ).Show() | ||
| if err != nil { | ||
| return | ||
| } | ||
|
|
||
| err = downloadFile(genesisUrl, genesisPath) | ||
| if err != nil { | ||
| pterm.Error.Println("failed to retrieve genesis file: ", err) | ||
| return | ||
| } | ||
|
|
||
| // move to helper function with a spinner? | ||
| genesis, err := comettypes.GenesisDocFromFile(genesisPath) | ||
| if err != nil { | ||
| pterm.Error.Println("failed to read genesis file: ", err) | ||
| return | ||
| } | ||
|
|
||
| hash, err := calculateSHA256(genesisPath) | ||
| if err != nil { | ||
| pterm.Error.Println("failed to calculate hash of genesis file: ", err) | ||
| } | ||
|
|
||
| hd := consts.Hubs[env] | ||
|
|
||
| fmt.Println(genesis.ChainID) | ||
| fmt.Println("hash of the downloaded file: ", hash) | ||
| // nolint:ineffassign | ||
| raHash, _ := getRollappGenesisHash(raID, hd) | ||
| fmt.Println("hash of the rollapp: ", raHash) | ||
|
|
||
| pterm.Success.Println("finished") | ||
| }, | ||
| } | ||
| return cmd | ||
| } | ||
|
|
||
| // TODO: download the file in chunks if possible | ||
| func downloadFile(url, filepath string) error { | ||
| spinner, _ := pterm.DefaultSpinner. | ||
| Start("Downloading genesis file from ", url) | ||
|
|
||
| // nolint:gosec | ||
| resp, err := http.Get(url) | ||
| if err != nil { | ||
| spinner.Fail("failed to download file: ", err) | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| out, err := os.Create(filepath) | ||
| if err != nil { | ||
| spinner.Fail("failed to download file: ", err) | ||
| return err | ||
| } | ||
| defer out.Close() | ||
|
|
||
| spinner.Success("Successfully downloaded the genesis file") | ||
| _, err = io.Copy(out, resp.Body) | ||
| return err | ||
| } | ||
|
|
||
| func calculateSHA256(filepath string) (string, error) { | ||
| file, err := os.Open(filepath) | ||
| if err != nil { | ||
| return "", fmt.Errorf("error opening file: %v", err) | ||
| } | ||
| defer file.Close() | ||
|
|
||
| hash := sha256.New() | ||
| if _, err := io.Copy(hash, file); err != nil { | ||
| return "", fmt.Errorf("error calculating hash: %v", err) | ||
| } | ||
|
|
||
| return hex.EncodeToString(hash.Sum(nil)), nil | ||
| } | ||
|
|
||
| func getRollappGenesisHash(raID string, hd consts.HubData) (string, error) { | ||
| var raResponse rollapp.ShowRollappResponse | ||
| getRollappCmd := exec.Command( | ||
| consts.Executables.Dymension, | ||
| "q", "rollapp", "show", | ||
| raID, "-o", "json", "--node", hd.RPC_URL, | ||
| ) | ||
|
|
||
| out, err := bash.ExecCommandWithStdout(getRollappCmd) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| err = json.Unmarshal(out.Bytes(), &raResponse) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| return raResponse.Rollapp.GenesisChecksum, nil | ||
| } | ||
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