mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-12-26 08:15:19 +00:00
386 lines
9.9 KiB
Go
386 lines
9.9 KiB
Go
package init
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// DONTCOVER
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import (
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"encoding/json"
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"fmt"
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"net"
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"os"
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"path/filepath"
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"github.com/cosmos/cosmos-sdk/client/keys"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
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srvconfig "github.com/cosmos/cosmos-sdk/server/config"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authtx "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
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"github.com/cosmos/cosmos-sdk/x/staking"
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"github.com/kava-labs/kava/app"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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tmconfig "github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/crypto"
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cmn "github.com/tendermint/tendermint/libs/common"
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"github.com/tendermint/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/cosmos/cosmos-sdk/server"
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)
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var (
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flagNodeDirPrefix = "node-dir-prefix"
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flagNumValidators = "v"
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flagOutputDir = "output-dir"
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flagNodeDaemonHome = "node-daemon-home"
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flagNodeCliHome = "node-cli-home"
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flagStartingIPAddress = "starting-ip-address"
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)
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const nodeDirPerm = 0755
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// get cmd to initialize all files for tendermint testnet and application
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func TestnetFilesCmd(ctx *server.Context, cdc *codec.Codec) *cobra.Command {
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cmd := &cobra.Command{
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Use: "testnet",
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Short: "Initialize files for a testnet",
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Long: `testnet will create "v" number of directories and populate each with
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necessary files (private validator, genesis, config, etc.).
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Note, strict routability for addresses is turned off in the config file.
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Example:
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kvd testnet --v 4 --output-dir ./output --starting-ip-address 192.168.10.2
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`,
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RunE: func(_ *cobra.Command, _ []string) error {
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config := ctx.Config
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return initTestnet(config, cdc)
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},
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}
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cmd.Flags().Int(flagNumValidators, 4,
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"Number of validators to initialize the testnet with",
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)
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cmd.Flags().StringP(flagOutputDir, "o", "./mytestnet",
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"Directory to store initialization data for the testnet",
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)
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cmd.Flags().String(flagNodeDirPrefix, "node",
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"Prefix the directory name for each node with (node results in node0, node1, ...)",
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)
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cmd.Flags().String(flagNodeDaemonHome, "kvd",
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"Home directory of the node's daemon configuration",
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)
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cmd.Flags().String(flagNodeCliHome, "kvcli",
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"Home directory of the node's cli configuration",
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)
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cmd.Flags().String(flagStartingIPAddress, "192.168.0.1",
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"Starting IP address (192.168.0.1 results in persistent peers list ID0@192.168.0.1:46656, ID1@192.168.0.2:46656, ...)")
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cmd.Flags().String(
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client.FlagChainID, "", "genesis file chain-id, if left blank will be randomly created",
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)
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cmd.Flags().String(
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server.FlagMinGasPrices, fmt.Sprintf("0.000006%s", sdk.DefaultBondDenom),
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"Minimum gas prices to accept for transactions; All fees in a tx must meet this minimum (e.g. 0.01photino,0.001stake)",
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)
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return cmd
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}
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func initTestnet(config *tmconfig.Config, cdc *codec.Codec) error {
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var chainID string
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outDir := viper.GetString(flagOutputDir)
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numValidators := viper.GetInt(flagNumValidators)
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chainID = viper.GetString(client.FlagChainID)
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if chainID == "" {
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chainID = "chain-" + cmn.RandStr(6)
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}
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monikers := make([]string, numValidators)
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nodeIDs := make([]string, numValidators)
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valPubKeys := make([]crypto.PubKey, numValidators)
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appConfig := srvconfig.DefaultConfig()
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appConfig.MinGasPrices = viper.GetString(server.FlagMinGasPrices)
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var (
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accs []app.GenesisAccount
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genFiles []string
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)
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// generate private keys, node IDs, and initial transactions
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for i := 0; i < numValidators; i++ {
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nodeDirName := fmt.Sprintf("%s%d", viper.GetString(flagNodeDirPrefix), i)
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nodeDaemonHomeName := viper.GetString(flagNodeDaemonHome)
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nodeCliHomeName := viper.GetString(flagNodeCliHome)
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nodeDir := filepath.Join(outDir, nodeDirName, nodeDaemonHomeName)
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clientDir := filepath.Join(outDir, nodeDirName, nodeCliHomeName)
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gentxsDir := filepath.Join(outDir, "gentxs")
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config.SetRoot(nodeDir)
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err := os.MkdirAll(filepath.Join(nodeDir, "config"), nodeDirPerm)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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err = os.MkdirAll(clientDir, nodeDirPerm)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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monikers = append(monikers, nodeDirName)
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config.Moniker = nodeDirName
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ip, err := getIP(i, viper.GetString(flagStartingIPAddress))
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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nodeIDs[i], valPubKeys[i], err = InitializeNodeValidatorFiles(config)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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memo := fmt.Sprintf("%s@%s:26656", nodeIDs[i], ip)
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genFiles = append(genFiles, config.GenesisFile())
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buf := client.BufferStdin()
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prompt := fmt.Sprintf(
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"Password for account '%s' (default %s):", nodeDirName, app.DefaultKeyPass,
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)
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keyPass, err := client.GetPassword(prompt, buf)
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if err != nil && keyPass != "" {
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// An error was returned that either failed to read the password from
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// STDIN or the given password is not empty but failed to meet minimum
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// length requirements.
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return err
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}
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if keyPass == "" {
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keyPass = app.DefaultKeyPass
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}
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addr, secret, err := server.GenerateSaveCoinKey(clientDir, nodeDirName, keyPass, true)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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info := map[string]string{"secret": secret}
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cliPrint, err := json.Marshal(info)
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if err != nil {
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return err
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}
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// save private key seed words
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err = writeFile(fmt.Sprintf("%v.json", "key_seed"), clientDir, cliPrint)
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if err != nil {
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return err
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}
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accTokens := sdk.TokensFromTendermintPower(1000)
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accStakingTokens := sdk.TokensFromTendermintPower(500)
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accs = append(accs, app.GenesisAccount{
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Address: addr,
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Coins: sdk.Coins{
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sdk.NewCoin(fmt.Sprintf("%stoken", nodeDirName), accTokens),
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sdk.NewCoin(sdk.DefaultBondDenom, accStakingTokens),
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},
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})
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valTokens := sdk.TokensFromTendermintPower(100)
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msg := staking.NewMsgCreateValidator(
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sdk.ValAddress(addr),
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valPubKeys[i],
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sdk.NewCoin(sdk.DefaultBondDenom, valTokens),
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staking.NewDescription(nodeDirName, "", "", ""),
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staking.NewCommissionMsg(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
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sdk.OneInt(),
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)
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kb, err := keys.NewKeyBaseFromDir(clientDir)
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if err != nil {
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return err
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}
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tx := auth.NewStdTx([]sdk.Msg{msg}, auth.StdFee{}, []auth.StdSignature{}, memo)
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txBldr := authtx.NewTxBuilderFromCLI().WithChainID(chainID).WithMemo(memo).WithKeybase(kb)
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signedTx, err := txBldr.SignStdTx(nodeDirName, app.DefaultKeyPass, tx, false)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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txBytes, err := cdc.MarshalJSON(signedTx)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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// gather gentxs folder
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err = writeFile(fmt.Sprintf("%v.json", nodeDirName), gentxsDir, txBytes)
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if err != nil {
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_ = os.RemoveAll(outDir)
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return err
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}
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appConfigFilePath := filepath.Join(nodeDir, "config/kvd.toml")
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srvconfig.WriteConfigFile(appConfigFilePath, appConfig)
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}
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if err := initGenFiles(cdc, chainID, accs, genFiles, numValidators); err != nil {
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return err
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}
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err := collectGenFiles(
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cdc, config, chainID, monikers, nodeIDs, valPubKeys, numValidators,
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outDir, viper.GetString(flagNodeDirPrefix), viper.GetString(flagNodeDaemonHome),
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)
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if err != nil {
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return err
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}
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fmt.Printf("Successfully initialized %d node directories\n", numValidators)
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return nil
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}
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func initGenFiles(
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cdc *codec.Codec, chainID string, accs []app.GenesisAccount,
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genFiles []string, numValidators int,
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) error {
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appGenState := app.NewDefaultGenesisState()
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appGenState.Accounts = accs
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appGenStateJSON, err := codec.MarshalJSONIndent(cdc, appGenState)
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if err != nil {
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return err
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}
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genDoc := types.GenesisDoc{
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ChainID: chainID,
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AppState: appGenStateJSON,
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Validators: nil,
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}
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// generate empty genesis files for each validator and save
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for i := 0; i < numValidators; i++ {
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if err := genDoc.SaveAs(genFiles[i]); err != nil {
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return err
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}
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}
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return nil
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}
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func collectGenFiles(
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cdc *codec.Codec, config *tmconfig.Config, chainID string,
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monikers, nodeIDs []string, valPubKeys []crypto.PubKey,
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numValidators int, outDir, nodeDirPrefix, nodeDaemonHomeName string,
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) error {
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var appState json.RawMessage
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genTime := tmtime.Now()
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for i := 0; i < numValidators; i++ {
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nodeDirName := fmt.Sprintf("%s%d", nodeDirPrefix, i)
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nodeDir := filepath.Join(outDir, nodeDirName, nodeDaemonHomeName)
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gentxsDir := filepath.Join(outDir, "gentxs")
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moniker := monikers[i]
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config.Moniker = nodeDirName
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config.SetRoot(nodeDir)
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nodeID, valPubKey := nodeIDs[i], valPubKeys[i]
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initCfg := newInitConfig(chainID, gentxsDir, moniker, nodeID, valPubKey)
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genDoc, err := LoadGenesisDoc(cdc, config.GenesisFile())
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if err != nil {
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return err
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}
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nodeAppState, err := genAppStateFromConfig(cdc, config, initCfg, genDoc)
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if err != nil {
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return err
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}
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if appState == nil {
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// set the canonical application state (they should not differ)
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appState = nodeAppState
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}
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genFile := config.GenesisFile()
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// overwrite each validator's genesis file to have a canonical genesis time
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err = ExportGenesisFileWithTime(genFile, chainID, nil, appState, genTime)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func getIP(i int, startingIPAddr string) (string, error) {
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var (
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ip string
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err error
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)
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if len(startingIPAddr) == 0 {
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ip, err = server.ExternalIP()
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if err != nil {
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return "", err
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}
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} else {
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ip, err = calculateIP(startingIPAddr, i)
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if err != nil {
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return "", err
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}
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}
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return ip, nil
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}
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func writeFile(name string, dir string, contents []byte) error {
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writePath := filepath.Join(dir)
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file := filepath.Join(writePath, name)
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err := cmn.EnsureDir(writePath, 0700)
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if err != nil {
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return err
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}
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err = cmn.WriteFile(file, contents, 0600)
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if err != nil {
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return err
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}
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return nil
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}
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func calculateIP(ip string, i int) (string, error) {
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ipv4 := net.ParseIP(ip).To4()
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if ipv4 == nil {
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return "", fmt.Errorf("%v: non ipv4 address", ip)
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}
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for j := 0; j < i; j++ {
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ipv4[3]++
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}
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return ipv4.String(), nil
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}
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