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init.go
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init.go
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package cmd
import (
"bufio"
"encoding/json"
"errors"
"fmt"
"os"
"path/filepath"
"time"
cfg "github.com/cometbft/cometbft/config"
"github.com/cometbft/cometbft/crypto/secp256k1"
"github.com/cometbft/cometbft/libs/cli"
tmos "github.com/cometbft/cometbft/libs/os"
tmrand "github.com/cometbft/cometbft/libs/rand"
"github.com/cometbft/cometbft/privval"
"github.com/cometbft/cometbft/types"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/flags"
"github.com/cosmos/cosmos-sdk/client/input"
"github.com/cosmos/cosmos-sdk/server"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/genutil"
"github.com/cosmos/go-bip39"
"github.com/spf13/cobra"
)
const (
// FlagOverwrite defines a flag to overwrite an existing genesis JSON file.
FlagOverwrite = "overwrite"
// FlagRecover defines a flag to initialize the private validator key from a specific seed.
FlagRecover = "recover"
// FlagTimeoutCommit defines a flag to set timeout commit of node.
FlagTimeoutCommit = "timeout-commit"
)
type printInfo struct {
Moniker string `json:"moniker" yaml:"moniker"`
ChainID string `json:"chain_id" yaml:"chain_id"`
NodeID string `json:"node_id" yaml:"node_id"`
GenTxsDir string `json:"gentxs_dir" yaml:"gentxs_dir"`
AppMessage json.RawMessage `json:"app_message" yaml:"app_message"`
}
func newPrintInfo(moniker, chainID, nodeID, genTxsDir string, appMessage json.RawMessage) printInfo {
return printInfo{
Moniker: moniker,
ChainID: chainID,
NodeID: nodeID,
GenTxsDir: genTxsDir,
AppMessage: appMessage,
}
}
func displayInfo(info printInfo) error {
out, err := json.MarshalIndent(info, "", "")
if err != nil {
return err
}
_, err = fmt.Fprintf(os.Stderr, "%s\n", string(sdk.MustSortJSON(out)))
return err
}
func genFilePVIfNotExists(keyFilePath, stateFilePath string) error {
if !tmos.FileExists(keyFilePath) {
pv := privval.NewFilePV(secp256k1.GenPrivKey(), keyFilePath, stateFilePath)
// privKey :=
// pv := &privval.FilePV{
// Key: privval.FilePVKey{
// Address: privKey.PubKey().Address(),
// PubKey: privKey.PubKey(),
// PrivKey: privKey,
// },
// LastSignState: privval.FilePVLastSignState{
// Step: 0,
// },
// }
pv.Save()
// jsonBytes, err := json.MarshalIndent(pv.Key, "", " ")
// if err != nil {
// return err
// }
// if err = tempfile.WriteFileAtomic(keyFilePath, jsonBytes, 0600); err != nil {
// return err
// }
// jsonBytes, err = json.MarshalIndent(pv.LastSignState, "", " ")
// if err != nil {
// return err
// }
// if err = tempfile.WriteFileAtomic(stateFilePath, jsonBytes, 0600); err != nil {
// return err
// }
}
return nil
}
// InitCmd returns a command that initializes all files needed for Tendermint and OdinChain app.
func InitCmd(customAppState map[string]json.RawMessage, defaultNodeHome string) *cobra.Command {
cmd := &cobra.Command{
Use: "init [moniker]",
Short: "Initialize private validator, p2p, genesis, and application configuration files",
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx := client.GetClientContextFromCmd(cmd)
serverCtx := server.GetServerContextFromCmd(cmd)
config := serverCtx.Config
config.SetRoot(clientCtx.HomeDir)
timeoutCommit, err := cmd.Flags().GetInt(FlagTimeoutCommit)
if err != nil {
return err
}
config.Consensus.TimeoutCommit = time.Duration(timeoutCommit) * time.Millisecond
if err := genFilePVIfNotExists(config.PrivValidatorKeyFile(), config.PrivValidatorStateFile()); err != nil {
return err
}
chainID, _ := cmd.Flags().GetString(flags.FlagChainID)
if chainID == "" {
chainID = fmt.Sprintf("test-chain-%v", tmrand.Str(6))
}
// Get bip39 mnemonic
var mnemonic string
recover, _ := cmd.Flags().GetBool(FlagRecover)
if recover {
inBuf := bufio.NewReader(cmd.InOrStdin())
mnemonic, err := input.GetString("Enter your bip39 mnemonic", inBuf)
if err != nil {
return err
}
if !bip39.IsMnemonicValid(mnemonic) {
return errors.New("invalid mnemonic")
}
}
nodeID, _, err := genutil.InitializeNodeValidatorFilesFromMnemonic(config, mnemonic)
if err != nil {
return err
}
config.Moniker = args[0]
genFile := config.GenesisFile()
overwrite, _ := cmd.Flags().GetBool(FlagOverwrite)
if !overwrite && tmos.FileExists(genFile) {
return fmt.Errorf("genesis.json file already exists: %v", genFile)
}
appState, err := json.MarshalIndent(customAppState, "", "")
if err != nil {
return err
}
genDoc := &types.GenesisDoc{}
if _, err := os.Stat(genFile); err != nil {
if !os.IsNotExist(err) {
return err
}
} else {
genDoc, err = types.GenesisDocFromFile(genFile)
if err != nil {
return err
}
}
genDoc.ChainID = chainID
genDoc.Validators = nil
genDoc.AppState = appState
genDoc.ConsensusParams = types.DefaultConsensusParams()
genDoc.ConsensusParams.Block.MaxBytes = 3000000 // 3M bytes
genDoc.ConsensusParams.Block.MaxGas = 50000000 // 50M gas
genDoc.ConsensusParams.Validator.PubKeyTypes = []string{types.ABCIPubKeyTypeSecp256k1}
if err = genutil.ExportGenesisFile(genDoc, genFile); err != nil {
return err
}
toPrint := newPrintInfo(config.Moniker, chainID, nodeID, "", appState)
cfg.WriteConfigFile(filepath.Join(config.RootDir, "config", "config.toml"), config)
return displayInfo(toPrint)
},
}
cmd.Flags().String(cli.HomeFlag, defaultNodeHome, "node's home directory")
cmd.Flags().BoolP(FlagOverwrite, "o", false, "overwrite the genesis.json file")
cmd.Flags().Bool(FlagRecover, false, "provide seed phrase to recover existing key instead of creating")
cmd.Flags().String(flags.FlagChainID, "", "genesis file chain-id, if left blank will be randomly created")
cmd.Flags().Int(FlagTimeoutCommit, 1500, "timeout commit of the node in ms")
return cmd
}