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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/tendermint/go-amino"
crypto "github.com/tendermint/tendermint/crypto"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/p2p"
"github.com/tendermint/tendermint/privval"
"github.com/tendermint/tendermint/types"
)
type GenesisValidator struct {
PubKey Data `json:"pub_key"`
Power int64 `json:"power"`
Name string `json:"name"`
}
type Genesis struct {
GenesisTime time.Time `json:"genesis_time"`
ChainID string `json:"chain_id"`
ConsensusParams *types.ConsensusParams `json:"consensus_params,omitempty"`
Validators []GenesisValidator `json:"validators"`
AppHash cmn.HexBytes `json:"app_hash"`
AppStateJSON json.RawMessage `json:"app_state,omitempty"`
AppOptions json.RawMessage `json:"app_options,omitempty"` // DEPRECATED
}
type NodeKey struct {
PrivKey Data `json:"priv_key"`
}
type PrivVal struct {
Address cmn.HexBytes `json:"address"`
LastHeight int64 `json:"last_height"`
LastRound int `json:"last_round"`
LastStep int8 `json:"last_step"`
PubKey Data `json:"pub_key"`
PrivKey Data `json:"priv_key"`
}
type Data struct {
Type string `json:"type"`
Data cmn.HexBytes `json:"data"`
}
func convertNodeKey(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
var nodeKey NodeKey
err := json.Unmarshal(jsonBytes, &nodeKey)
if err != nil {
return nil, err
}
var privKey crypto.PrivKeyEd25519
copy(privKey[:], nodeKey.PrivKey.Data)
nodeKeyNew := p2p.NodeKey{privKey}
bz, err := cdc.MarshalJSON(nodeKeyNew)
if err != nil {
return nil, err
}
return bz, nil
}
func convertPrivVal(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
var privVal PrivVal
err := json.Unmarshal(jsonBytes, &privVal)
if err != nil {
return nil, err
}
var privKey crypto.PrivKeyEd25519
copy(privKey[:], privVal.PrivKey.Data)
var pubKey crypto.PubKeyEd25519
copy(pubKey[:], privVal.PubKey.Data)
privValNew := privval.FilePV{
Address: pubKey.Address(),
PubKey: pubKey,
LastHeight: privVal.LastHeight,
LastRound: privVal.LastRound,
LastStep: privVal.LastStep,
PrivKey: privKey,
}
bz, err := cdc.MarshalJSON(privValNew)
if err != nil {
return nil, err
}
return bz, nil
}
func convertGenesis(cdc *amino.Codec, jsonBytes []byte) ([]byte, error) {
var genesis Genesis
err := json.Unmarshal(jsonBytes, &genesis)
if err != nil {
return nil, err
}
genesisNew := types.GenesisDoc{
GenesisTime: genesis.GenesisTime,
ChainID: genesis.ChainID,
ConsensusParams: genesis.ConsensusParams,
// Validators
AppHash: genesis.AppHash,
AppStateJSON: genesis.AppStateJSON,
}
if genesis.AppOptions != nil {
genesisNew.AppStateJSON = genesis.AppOptions
}
for _, v := range genesis.Validators {
var pubKey crypto.PubKeyEd25519
copy(pubKey[:], v.PubKey.Data)
genesisNew.Validators = append(
genesisNew.Validators,
types.GenesisValidator{
PubKey: pubKey,
Power: v.Power,
Name: v.Name,
},
)
}
bz, err := cdc.MarshalJSON(genesisNew)
if err != nil {
return nil, err
}
return bz, nil
}
func main() {
cdc := amino.NewCodec()
crypto.RegisterAmino(cdc)
args := os.Args[1:]
if len(args) != 1 {
fmt.Println("Please specify a file to convert")
os.Exit(1)
}
filePath := args[0]
fileName := filepath.Base(filePath)
fileBytes, err := ioutil.ReadFile(filePath)
if err != nil {
panic(err)
}
var bz []byte
switch fileName {
case "node_key.json":
bz, err = convertNodeKey(cdc, fileBytes)
case "priv_validator.json":
bz, err = convertPrivVal(cdc, fileBytes)
case "genesis.json":
bz, err = convertGenesis(cdc, fileBytes)
default:
fmt.Println("Expected file name to be in (node_key.json, priv_validator.json, genesis.json)")
os.Exit(1)
}
if err != nil {
panic(err)
}
fmt.Println(string(bz))
}