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valnode.go
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valnode.go
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// Copyright Fuzamei Corp. 2018 All Rights Reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package commands
import (
"encoding/hex"
"fmt"
"math/rand"
"os"
"strconv"
"time"
"github.com/assetcloud/chain/common/address"
"github.com/assetcloud/chain/common/crypto"
"github.com/assetcloud/chain/rpc/jsonclient"
rpctypes "github.com/assetcloud/chain/rpc/types"
"github.com/assetcloud/chain/types"
ttypes "github.com/assetcloud/plugin/plugin/consensus/tendermint/types"
vt "github.com/assetcloud/plugin/plugin/dapp/valnode/types"
"github.com/spf13/cobra"
)
var (
strChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" // 62 characters
genFile = "genesis_file.json"
pvFile = "priv_validator_"
//AuthBLS ...
AuthBLS = 259
)
// ValCmd valnode cmd register
func ValCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "valnode",
Short: "Construct valnode transactions",
Args: cobra.MinimumNArgs(1),
}
cmd.AddCommand(
IsSyncCmd(),
GetBlockInfoCmd(),
GetNodeInfoCmd(),
GetPerfStatCmd(),
AddNodeCmd(),
CreateCmd(),
)
return cmd
}
// IsSyncCmd query tendermint is sync
func IsSyncCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "is_sync",
Short: "Query tendermint consensus is sync",
Run: isSync,
}
return cmd
}
func isSync(cmd *cobra.Command, args []string) {
rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
var res bool
ctx := jsonclient.NewRPCCtx(rpcLaddr, "valnode.IsSync", nil, &res)
ctx.Run()
}
// GetNodeInfoCmd get validator nodes
func GetNodeInfoCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "nodes",
Short: "Get tendermint validator nodes",
Run: getNodeInfo,
}
return cmd
}
func getNodeInfo(cmd *cobra.Command, args []string) {
rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
var res *vt.ValNodeInfoSet
ctx := jsonclient.NewRPCCtx(rpcLaddr, "valnode.GetNodeInfo", nil, &res)
ctx.Run()
}
// GetBlockInfoCmd get block info
func GetBlockInfoCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "info",
Short: "Get tendermint consensus info",
Run: getBlockInfo,
}
addGetBlockInfoFlags(cmd)
return cmd
}
func addGetBlockInfoFlags(cmd *cobra.Command) {
cmd.Flags().Int64P("height", "t", 0, "block height (larger than 0)")
cmd.MarkFlagRequired("height")
}
func getBlockInfo(cmd *cobra.Command, args []string) {
rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
height, _ := cmd.Flags().GetInt64("height")
req := &vt.ReqBlockInfo{
Height: height,
}
params := rpctypes.Query4Jrpc{
Execer: vt.ValNodeX,
FuncName: "GetBlockInfoByHeight",
Payload: types.MustPBToJSON(req),
}
var res vt.TendermintBlockInfo
ctx := jsonclient.NewRPCCtx(rpcLaddr, "Chain.Query", params, &res)
ctx.Run()
}
// GetPerfStatCmd get block info
func GetPerfStatCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "stat",
Short: "Get tendermint performance statistics",
Run: getPerfStat,
}
addGetPerfStatFlags(cmd)
return cmd
}
func addGetPerfStatFlags(cmd *cobra.Command) {
cmd.Flags().Int64P("start", "s", 0, "start block height")
cmd.Flags().Int64P("end", "e", 0, "end block height")
}
func getPerfStat(cmd *cobra.Command, args []string) {
rpcLaddr, _ := cmd.Flags().GetString("rpc_laddr")
start, _ := cmd.Flags().GetInt64("start")
end, _ := cmd.Flags().GetInt64("end")
req := &vt.ReqPerfStat{
Start: start,
End: end,
}
params := rpctypes.Query4Jrpc{
Execer: vt.ValNodeX,
FuncName: "GetPerfState",
Payload: types.MustPBToJSON(req),
}
var res vt.PerfStat
ctx := jsonclient.NewRPCCtx(rpcLaddr, "Chain.Query", params, &res)
ctx.Run()
}
// AddNodeCmd add validator node
func AddNodeCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "add",
Short: "Add tendermint validator node",
Run: addNode,
}
addNodeFlags(cmd)
return cmd
}
func addNodeFlags(cmd *cobra.Command) {
cmd.Flags().StringP("pubkey", "p", "", "public key")
cmd.MarkFlagRequired("pubkey")
cmd.Flags().Int64P("power", "w", 0, "voting power")
cmd.MarkFlagRequired("power")
}
func addNode(cmd *cobra.Command, args []string) {
pubkey, _ := cmd.Flags().GetString("pubkey")
power, _ := cmd.Flags().GetInt64("power")
pubkeybyte, err := hex.DecodeString(pubkey)
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
value := &vt.ValNodeAction_Node{Node: &vt.ValNode{PubKey: pubkeybyte, Power: power}}
action := &vt.ValNodeAction{Value: value, Ty: vt.ValNodeActionUpdate}
tx := &types.Transaction{
Payload: types.Encode(action),
Nonce: rand.Int63(),
Execer: []byte(vt.ValNodeX),
}
tx.To = address.ExecAddress(string(tx.Execer))
txHex := types.Encode(tx)
fmt.Println(hex.EncodeToString(txHex))
}
//CreateCmd to create keyfiles
func CreateCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "init_keyfile",
Short: "Initialize Tendermint Keyfile",
Run: createFiles,
}
addCreateCmdFlags(cmd)
return cmd
}
func addCreateCmdFlags(cmd *cobra.Command) {
cmd.Flags().StringP("num", "n", "", "num of the keyfile to create")
cmd.MarkFlagRequired("num")
cmd.Flags().StringP("type", "t", "ed25519", "sign type of the keyfile (secp256k1, ed25519, sm2, bls)")
}
// RandStr ...
func RandStr(length int) string {
chars := []byte{}
MAIN_LOOP:
for {
val := rand.Int63()
for i := 0; i < 10; i++ {
v := int(val & 0x3f) // rightmost 6 bits
if v >= 62 { // only 62 characters in strChars
val >>= 6
continue
} else {
chars = append(chars, strChars[v])
if len(chars) == length {
break MAIN_LOOP
}
val >>= 6
}
}
}
return string(chars)
}
func initCryptoImpl(signType int) error {
ttypes.CryptoName = types.GetSignName("", signType)
cr, err := crypto.Load(ttypes.CryptoName, -1)
if err != nil {
fmt.Printf("Init crypto fail: %v", err)
return err
}
ttypes.ConsensusCrypto = cr
return nil
}
func createFiles(cmd *cobra.Command, args []string) {
// init crypto instance
ty, _ := cmd.Flags().GetString("type")
signType, ok := ttypes.SignMap[ty]
if !ok {
fmt.Println("type parameter is not valid")
return
}
err := initCryptoImpl(signType)
if err != nil {
return
}
// genesis file
genDoc := ttypes.GenesisDoc{
ChainID: fmt.Sprintf("chain-%v", RandStr(6)),
GenesisTime: time.Now(),
}
num, _ := cmd.Flags().GetString("num")
n, err := strconv.Atoi(num)
if err != nil {
fmt.Println("num parameter is not valid digit")
return
}
for i := 0; i < n; i++ {
// create private validator file
pvFileName := pvFile + strconv.Itoa(i) + ".json"
privValidator := ttypes.LoadOrGenPrivValidatorFS(pvFileName)
if privValidator == nil {
fmt.Println("Create priv_validator file failed.")
break
}
// create genesis validator by the pubkey of private validator
gv := ttypes.GenesisValidator{
PubKey: ttypes.KeyText{Kind: ttypes.CryptoName, Data: privValidator.GetPubKey().KeyString()},
Power: 10,
}
genDoc.Validators = append(genDoc.Validators, gv)
}
if err := genDoc.SaveAs(genFile); err != nil {
fmt.Println("Generated genesis file failed.")
return
}
fmt.Printf("Generated genesis file path %v\n", genFile)
}