package main // DONTCOVER import ( "bufio" "encoding/json" "fmt" "net" "os" "path/filepath" "github.com/cosmos/cosmos-sdk/client/flags" clientkeys "github.com/cosmos/cosmos-sdk/client/keys" "github.com/cosmos/cosmos-sdk/codec" "github.com/cosmos/cosmos-sdk/crypto/keys" "github.com/cosmos/cosmos-sdk/server" srvconfig "github.com/cosmos/cosmos-sdk/server/config" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/types/module" "github.com/cosmos/cosmos-sdk/x/auth" authexported "github.com/cosmos/cosmos-sdk/x/auth/exported" "github.com/cosmos/cosmos-sdk/x/genutil" genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types" "github.com/cosmos/cosmos-sdk/x/staking" "github.com/spf13/cobra" "github.com/spf13/viper" tmconfig "github.com/tendermint/tendermint/config" "github.com/tendermint/tendermint/crypto" tmos "github.com/tendermint/tendermint/libs/os" tmrand "github.com/tendermint/tendermint/libs/rand" "github.com/tendermint/tendermint/types" tmtime "github.com/tendermint/tendermint/types/time" ) var ( flagNodeDirPrefix = "node-dir-prefix" flagNumValidators = "v" flagOutputDir = "output-dir" flagNodeDaemonHome = "node-daemon-home" flagNodeCLIHome = "node-cli-home" flagStartingIPAddress = "starting-ip-address" ) func testnetCmd( ctx *server.Context, cdc *codec.Codec, mbm module.BasicManager, genAccIterator genutiltypes.GenesisAccountsIterator, ) *cobra.Command { cmd := &cobra.Command{ Use: "testnet", Short: "Initialize files for a local kava testnet", Long: `testnet will create "v" number of directories and populate each with necessary files (private validator, genesis, config, etc.). Note, strict routability for addresses is turned off in the config file. Example: $ kvd testnet --v 4 --output-dir ./output --starting-ip-address 192.168.10.2 `, RunE: func(cmd *cobra.Command, _ []string) error { config := ctx.Config outputDir := viper.GetString(flagOutputDir) chainID := viper.GetString(flags.FlagChainID) minGasPrices := viper.GetString(server.FlagMinGasPrices) nodeDirPrefix := viper.GetString(flagNodeDirPrefix) nodeDaemonHome := viper.GetString(flagNodeDaemonHome) nodeCLIHome := viper.GetString(flagNodeCLIHome) startingIPAddress := viper.GetString(flagStartingIPAddress) numValidators := viper.GetInt(flagNumValidators) return InitTestnet( cmd, config, cdc, mbm, genAccIterator, outputDir, chainID, minGasPrices, nodeDirPrefix, nodeDaemonHome, nodeCLIHome, startingIPAddress, numValidators, ) }, } cmd.Flags().Int(flagNumValidators, 4, "Number of validators to initialize the testnet with") cmd.Flags().StringP(flagOutputDir, "o", "./kavatestnet", "Directory to store initialization data for the testnet") cmd.Flags().String(flagNodeDirPrefix, "node", "Prefix the directory name for each node with (node results in node0, node1, ...)") cmd.Flags().String(flagNodeDaemonHome, "kvd", "Home directory of the node's daemon configuration") cmd.Flags().String(flagNodeCLIHome, "kvcli", "Home directory of the node's cli configuration") cmd.Flags().String(flagStartingIPAddress, "192.168.0.1", "Starting IP address (192.168.0.1 results in persistent peers list ID0@192.168.0.1:46656, ID1@192.168.0.2:46656, ...)") cmd.Flags().String( flags.FlagChainID, "", "genesis file chain-id, if left blank will be randomly created") cmd.Flags().String( server.FlagMinGasPrices, fmt.Sprintf("0.000006%s", sdk.DefaultBondDenom), "Minimum gas prices to accept for transactions; All fees in a tx must meet this minimum (e.g. 0.01photino,0.001stake)") cmd.Flags().String(flags.FlagKeyringBackend, flags.DefaultKeyringBackend, "Select keyring's backend (os|file|test)") return cmd } const nodeDirPerm = 0755 // Initialize the testnet func InitTestnet( cmd *cobra.Command, config *tmconfig.Config, cdc *codec.Codec, mbm module.BasicManager, genAccIterator genutiltypes.GenesisAccountsIterator, outputDir, chainID, minGasPrices, nodeDirPrefix, nodeDaemonHome, nodeCLIHome, startingIPAddress string, numValidators int, ) error { if chainID == "" { chainID = "chain-" + tmrand.NewRand().Str(6) } monikers := make([]string, numValidators) nodeIDs := make([]string, numValidators) valPubKeys := make([]crypto.PubKey, numValidators) kavaConfig := srvconfig.DefaultConfig() kavaConfig.MinGasPrices = minGasPrices //nolint:prealloc var ( genAccounts []authexported.GenesisAccount genFiles []string ) inBuf := bufio.NewReader(cmd.InOrStdin()) // generate private keys, node IDs, and initial transactions for i := 0; i < numValidators; i++ { nodeDirName := fmt.Sprintf("%s%d", nodeDirPrefix, i) nodeDir := filepath.Join(outputDir, nodeDirName, nodeDaemonHome) clientDir := filepath.Join(outputDir, nodeDirName, nodeCLIHome) gentxsDir := filepath.Join(outputDir, "gentxs") config.SetRoot(nodeDir) config.RPC.ListenAddress = "tcp://0.0.0.0:26657" if err := os.MkdirAll(filepath.Join(nodeDir, "config"), nodeDirPerm); err != nil { _ = os.RemoveAll(outputDir) return err } if err := os.MkdirAll(clientDir, nodeDirPerm); err != nil { _ = os.RemoveAll(outputDir) return err } monikers = append(monikers, nodeDirName) config.Moniker = nodeDirName ip, err := getIP(i, startingIPAddress) if err != nil { _ = os.RemoveAll(outputDir) return err } nodeIDs[i], valPubKeys[i], err = genutil.InitializeNodeValidatorFiles(config) if err != nil { _ = os.RemoveAll(outputDir) return err } memo := fmt.Sprintf("%s@%s:26656", nodeIDs[i], ip) genFiles = append(genFiles, config.GenesisFile()) kb, err := keys.NewKeyring( sdk.KeyringServiceName(), viper.GetString(flags.FlagKeyringBackend), clientDir, inBuf, ) keyPass := clientkeys.DefaultKeyPass addr, secret, err := server.GenerateSaveCoinKey(kb, nodeDirName, keyPass, true) if err != nil { _ = os.RemoveAll(outputDir) return err } info := map[string]string{"secret": secret} cliPrint, err := json.Marshal(info) if err != nil { return err } // save private key seed words if err := writeFile(fmt.Sprintf("%v.json", "key_seed"), clientDir, cliPrint); err != nil { return err } accTokens := sdk.TokensFromConsensusPower(1000) accStakingTokens := sdk.TokensFromConsensusPower(500) coins := sdk.Coins{ sdk.NewCoin(fmt.Sprintf("%stoken", nodeDirName), accTokens), sdk.NewCoin(sdk.DefaultBondDenom, accStakingTokens), } genAccounts = append(genAccounts, auth.NewBaseAccount(addr, coins.Sort(), nil, 0, 0)) valTokens := sdk.TokensFromConsensusPower(100) msg := staking.NewMsgCreateValidator( sdk.ValAddress(addr), valPubKeys[i], sdk.NewCoin(sdk.DefaultBondDenom, valTokens), staking.NewDescription(nodeDirName, "", "", "", ""), staking.NewCommissionRates(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()), sdk.OneInt(), ) tx := auth.NewStdTx([]sdk.Msg{msg}, auth.StdFee{}, []auth.StdSignature{}, memo) txBldr := auth.NewTxBuilderFromCLI(inBuf).WithChainID(chainID).WithMemo(memo).WithKeybase(kb) signedTx, err := txBldr.SignStdTx(nodeDirName, clientkeys.DefaultKeyPass, tx, false) if err != nil { _ = os.RemoveAll(outputDir) return err } txBytes, err := cdc.MarshalJSON(signedTx) if err != nil { _ = os.RemoveAll(outputDir) return err } // gather gentxs folder if err := writeFile(fmt.Sprintf("%v.json", nodeDirName), gentxsDir, txBytes); err != nil { _ = os.RemoveAll(outputDir) return err } appConfigFilePath := filepath.Join(nodeDir, "config/app.toml") srvconfig.WriteConfigFile(appConfigFilePath, kavaConfig) } if err := initGenFiles(cdc, mbm, chainID, genAccounts, genFiles, numValidators); err != nil { return err } err := collectGenFiles( cdc, config, chainID, monikers, nodeIDs, valPubKeys, numValidators, outputDir, nodeDirPrefix, nodeDaemonHome, genAccIterator, ) if err != nil { return err } cmd.PrintErrf("Successfully initialized %d node directories\n", numValidators) return nil } func initGenFiles( cdc *codec.Codec, mbm module.BasicManager, chainID string, genAccounts []authexported.GenesisAccount, genFiles []string, numValidators int, ) error { appGenState := mbm.DefaultGenesis() // set the accounts in the genesis state authDataBz := appGenState[auth.ModuleName] var authGenState auth.GenesisState cdc.MustUnmarshalJSON(authDataBz, &authGenState) authGenState.Accounts = genAccounts appGenState[auth.ModuleName] = cdc.MustMarshalJSON(authGenState) appGenStateJSON, err := codec.MarshalJSONIndent(cdc, appGenState) if err != nil { return err } genDoc := types.GenesisDoc{ ChainID: chainID, AppState: appGenStateJSON, Validators: nil, } // generate empty genesis files for each validator and save for i := 0; i < numValidators; i++ { if err := genDoc.SaveAs(genFiles[i]); err != nil { return err } } return nil } func collectGenFiles( cdc *codec.Codec, config *tmconfig.Config, chainID string, monikers, nodeIDs []string, valPubKeys []crypto.PubKey, numValidators int, outputDir, nodeDirPrefix, nodeDaemonHome string, genAccIterator genutiltypes.GenesisAccountsIterator, ) error { var appState json.RawMessage genTime := tmtime.Now() for i := 0; i < numValidators; i++ { nodeDirName := fmt.Sprintf("%s%d", nodeDirPrefix, i) nodeDir := filepath.Join(outputDir, nodeDirName, nodeDaemonHome) gentxsDir := filepath.Join(outputDir, "gentxs") moniker := monikers[i] config.Moniker = nodeDirName config.SetRoot(nodeDir) nodeID, valPubKey := nodeIDs[i], valPubKeys[i] initCfg := genutil.NewInitConfig(chainID, gentxsDir, moniker, nodeID, valPubKey) genDoc, err := types.GenesisDocFromFile(config.GenesisFile()) if err != nil { return err } nodeAppState, err := genutil.GenAppStateFromConfig(cdc, config, initCfg, *genDoc, genAccIterator) if err != nil { return err } if appState == nil { // set the canonical application state (they should not differ) appState = nodeAppState } genFile := config.GenesisFile() // overwrite each validator's genesis file to have a canonical genesis time if err := genutil.ExportGenesisFileWithTime(genFile, chainID, nil, appState, genTime); err != nil { return err } } return nil } func getIP(i int, startingIPAddr string) (ip string, err error) { if len(startingIPAddr) == 0 { ip, err = server.ExternalIP() if err != nil { return "", err } return ip, nil } return calculateIP(startingIPAddr, i) } func calculateIP(ip string, i int) (string, error) { ipv4 := net.ParseIP(ip).To4() if ipv4 == nil { return "", fmt.Errorf("%v: non ipv4 address", ip) } for j := 0; j < i; j++ { ipv4[3]++ } return ipv4.String(), nil } func writeFile(name string, dir string, contents []byte) error { writePath := filepath.Join(dir) file := filepath.Join(writePath, name) err := tmos.EnsureDir(writePath, 0700) if err != nil { return err } err = tmos.WriteFile(file, contents, 0600) if err != nil { return err } return nil }