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executor.go
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executor.go
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package executor
import (
"context"
"encoding/hex"
"encoding/json"
_ "encoding/json"
"sync"
"time"
sdkmath "cosmossdk.io/math"
"github.com/bnb-chain/greenfield-challenger/common"
"github.com/bnb-chain/greenfield-challenger/config"
"github.com/bnb-chain/greenfield-challenger/logging"
"github.com/bnb-chain/greenfield-go-sdk/types"
sdktypes "github.com/bnb-chain/greenfield/sdk/types"
challengetypes "github.com/bnb-chain/greenfield/x/challenge/types"
coretypes "github.com/cometbft/cometbft/rpc/core/types"
ctypes "github.com/cometbft/cometbft/rpc/core/types"
tmtypes "github.com/cometbft/cometbft/types"
"github.com/cometbft/cometbft/votepool"
sdk "github.com/cosmos/cosmos-sdk/types"
ethcommon "github.com/ethereum/go-ethereum/common"
"github.com/prysmaticlabs/prysm/crypto/bls/blst"
"github.com/spf13/viper"
)
type Executor struct {
clients GnfdCompositeClients
config *config.Config
address string
mtx sync.RWMutex
validators []*tmtypes.Validator // used to cache validators
heartbeatInterval uint64 // used to save challenge heartbeat interval
height uint64
BlsPrivKey []byte
BlsPubKey []byte
}
func NewExecutor(cfg *config.Config) *Executor {
privKey := viper.GetString(config.FlagConfigPrivateKey)
if privKey == "" {
privKey = getGreenfieldPrivateKey(&cfg.GreenfieldConfig)
}
blsPrivKeyStr := viper.GetString(config.FlagConfigBlsPrivateKey)
if blsPrivKeyStr == "" {
blsPrivKeyStr = getGreenfieldBlsPrivateKey(&cfg.GreenfieldConfig)
}
blsPrivKeyBytes := ethcommon.Hex2Bytes(blsPrivKeyStr)
blsPrivKey, err := blst.SecretKeyFromBytes(blsPrivKeyBytes)
if err != nil {
logging.Logger.Errorf("executor failed to derive bls private key, err=%+v", err.Error())
}
blsPubKey := blsPrivKey.PublicKey().Marshal()
account, err := types.NewAccountFromPrivateKey("challenger", privKey)
if err != nil {
logging.Logger.Errorf("executor failed to initiate with a key manager, err=%+v", err.Error())
panic(err)
}
clients := NewGnfdCompositClients(
cfg.GreenfieldConfig.RPCAddrs,
cfg.GreenfieldConfig.ChainIdString,
account,
)
return &Executor{
clients: clients,
address: account.GetAddress().String(),
config: cfg,
mtx: sync.RWMutex{},
BlsPrivKey: blsPrivKeyBytes,
BlsPubKey: blsPubKey,
}
}
func getGreenfieldPrivateKey(cfg *config.GreenfieldConfig) string {
if cfg.KeyType == config.KeyTypeAWSPrivateKey {
result, err := config.GetSecret(cfg.AWSSecretName, cfg.AWSRegion)
if err != nil {
logging.Logger.Errorf("executor failed to get aws private key, err=%+v", err.Error())
panic(err)
}
type AwsPrivateKey struct {
PrivateKey string `json:"private_key"`
}
var awsPrivateKey AwsPrivateKey
err = json.Unmarshal([]byte(result), &awsPrivateKey)
if err != nil {
logging.Logger.Errorf("executor failed to unmarshal aws private key, err=%+v", err.Error())
panic(err)
}
return awsPrivateKey.PrivateKey
}
return cfg.PrivateKey
}
func getGreenfieldBlsPrivateKey(cfg *config.GreenfieldConfig) string {
if cfg.KeyType == config.KeyTypeAWSPrivateKey {
result, err := config.GetSecret(cfg.AWSBlsSecretName, cfg.AWSRegion)
if err != nil {
panic(err)
}
type AwsPrivateKey struct {
PrivateKey string `json:"bls_private_key"`
}
var awsBlsPrivateKey AwsPrivateKey
err = json.Unmarshal([]byte(result), &awsBlsPrivateKey)
if err != nil {
panic(err)
}
return awsBlsPrivateKey.PrivateKey
}
return cfg.BlsPrivateKey
}
func (e *Executor) GetBlockAndBlockResultAtHeight(height int64) (*tmtypes.Block, *ctypes.ResultBlockResults, error) {
block, err := e.clients.GetClient().TmClient.Block(context.Background(), &height)
if err != nil {
//logging.Logger.Errorf("executor failed to get block at height %d, err=%+v", height, err.Error())
return nil, nil, err
}
blockResults, err := e.clients.GetClient().TmClient.BlockResults(context.Background(), &height)
if err != nil {
logging.Logger.Errorf("executor failed to get block results at height %d, err=%+v", height, err.Error())
return nil, nil, err
}
return block.Block, blockResults, nil
}
func (e *Executor) GetLatestBlockHeight() (uint64, error) {
client := e.clients.GetClient()
res, err := client.GetLatestBlockHeight(context.Background())
if err != nil {
logging.Logger.Errorf("executor failed to get latest block height, err=%s", err.Error())
return 0, err
}
latestHeight := uint64(res)
e.mtx.Lock()
e.height = latestHeight
e.mtx.Unlock()
return latestHeight, nil
}
func (e *Executor) GetCachedBlockHeight() (uint64, error) {
e.mtx.Lock()
cachedHeight := e.height
e.mtx.Unlock()
var err error
if cachedHeight == 0 {
cachedHeight, err = e.GetLatestBlockHeight()
if err != nil {
return 0, err
}
}
return cachedHeight, nil
}
func (e *Executor) queryLatestValidators() ([]*tmtypes.Validator, error) {
client := e.clients.GetClient().TmClient
validators, err := client.Validators(context.Background(), nil, nil, nil)
if err != nil {
logging.Logger.Errorf("executor failed to query the latest validators, err=%+v", err.Error())
return nil, err
}
return validators.Validators, nil
}
func (e *Executor) QueryCachedLatestValidators() ([]*tmtypes.Validator, error) {
e.mtx.Lock()
result := make([]*tmtypes.Validator, len(e.validators))
if len(e.validators) > 0 {
for i, p := range e.validators {
v := *p
result[i] = &v
}
}
e.mtx.Unlock()
if len(result) != 0 {
return result, nil
}
validators, err := e.queryLatestValidators()
if err != nil {
return nil, err
}
return validators, nil
}
func (e *Executor) CacheValidatorsLoop() {
ticker := time.NewTicker(UpdateCachedValidatorsInterval)
for range ticker.C {
validators, err := e.queryLatestValidators()
if err != nil {
logging.Logger.Errorf("update latest greenfield validators error, err=%+v", err)
continue
}
e.mtx.Lock()
e.validators = validators
e.mtx.Unlock()
}
}
func (e *Executor) GetValidatorsBlsPublicKey() ([]string, error) {
validators, err := e.QueryCachedLatestValidators()
if err != nil {
return nil, err
}
var keys []string
for _, v := range validators {
keys = append(keys, hex.EncodeToString(v.BlsKey))
}
return keys, nil
}
func (e *Executor) QueryInturnAttestationSubmitter() (*challengetypes.QueryInturnAttestationSubmitterResponse, error) {
client := e.clients.GetClient()
res, err := client.InturnAttestationSubmitter(context.Background(), &challengetypes.QueryInturnAttestationSubmitterRequest{})
if err != nil {
logging.Logger.Errorf("executor failed to get inturn attestation submitter, err=%+v", err.Error())
return nil, err
}
return res, nil
}
func (e *Executor) AttestChallenge(submitterAddress, challengerAddress, spOperatorAddress string, challengeId uint64, objectId sdkmath.Uint, voteResult challengetypes.VoteResult, voteValidatorSet []uint64, VoteAggSignature []byte, txOption sdktypes.TxOption) (bool, error) {
client := e.clients.GetClient()
logging.Logger.Infof("attest challenge params: submitterAddress=%s, challengerAddress=%s, spOperatorAddress=%s, challengeId=%d, objectId=%s, voteResult=%s, voteValidatorSet=%+v, VoteAggSignature=%+v, txOption=%+v", submitterAddress, challengerAddress, spOperatorAddress, challengeId, objectId.String(), voteResult.String(), voteValidatorSet, VoteAggSignature, txOption)
res, err := client.AttestChallenge(context.Background(), submitterAddress, challengerAddress, spOperatorAddress, challengeId, objectId, voteResult, voteValidatorSet, VoteAggSignature, txOption)
if err != nil {
if res == nil {
logging.Logger.Infof("attest failed for challengeId: %d, res is nil, err=%s", challengeId, err.Error())
} else {
logging.Logger.Infof("challengeId: %d attest failed, code=%d, log=%s, txhash=%s, timestamp: %s, err=%s", challengeId, res.Code, res.RawLog, res.TxHash, time.Now().Format("15:04:05.000000"), err.Error())
}
return false, err
}
if res.Code != 0 {
logging.Logger.Infof("challengeId: %d attest failed, code=%d, log=%s, txhash=%s, timestamp: %s", challengeId, res.Code, res.RawLog, res.TxHash, time.Now().Format("15:04:05.000000"))
return false, nil
}
logging.Logger.Infof("challengeId: %d attest succeeded, code=%d, log=%s, txhash=%s, timestamp: %s", challengeId, res.Code, res.RawLog, res.TxHash, time.Now().Format("15:04:05.000000"))
return true, nil
}
func (e *Executor) QueryLatestAttestedChallengeIds() ([]uint64, error) {
client := e.clients.GetClient()
res, err := client.LatestAttestedChallenges(context.Background(), &challengetypes.QueryLatestAttestedChallengesRequest{})
if err != nil {
logging.Logger.Errorf("executor failed to get latest attested challenge, err=%+v", err.Error())
return nil, err
}
var challengeIds []uint64
for _, v := range res.GetChallenges() {
challengeIds = append(challengeIds, v.GetId())
}
return challengeIds, nil
}
func (e *Executor) queryChallengeHeartbeatInterval() (uint64, error) {
client := e.clients.GetClient()
q := challengetypes.QueryParamsRequest{}
res, err := client.ChallengeParams(context.Background(), &q)
if err != nil {
logging.Logger.Errorf("executor failed to get latest heartbeat interval, err=%+v", err.Error())
return 0, err
}
return res.Params.HeartbeatInterval, nil
}
func (e *Executor) QueryChallengeHeartbeatInterval() (uint64, error) {
heartbeatInterval := uint64(0)
e.mtx.RLock()
heartbeatInterval = e.heartbeatInterval
e.mtx.RUnlock()
if heartbeatInterval != 0 {
return heartbeatInterval, nil
}
heartbeatInterval, err := e.queryChallengeHeartbeatInterval()
if err != nil {
return 0, err
}
return heartbeatInterval, nil
}
func (e *Executor) QueryChallengeSlashCoolingOffPeriod() (uint64, error) {
client := e.clients.GetClient()
params, err := client.ChallengeParams(context.Background(), &challengetypes.QueryParamsRequest{})
if err != nil {
logging.Logger.Errorf("query slash cooling off period failed, err=%+v", err.Error())
return 0, err
}
logging.Logger.Infof("challenge slash cooling off period: %d", params.Params.SlashCoolingOffPeriod)
return params.Params.SlashCoolingOffPeriod, nil
}
func (e *Executor) UpdateHeartbeatIntervalLoop() {
ticker := time.NewTicker(QueryHeartbeatIntervalInterval)
for range ticker.C {
heartbeatInterval, err := e.queryChallengeHeartbeatInterval()
if err != nil {
logging.Logger.Errorf("update latest heartbeat interval error, err=%+v", err)
continue
}
e.mtx.Lock()
e.heartbeatInterval = heartbeatInterval
e.mtx.Unlock()
}
}
func (e *Executor) GetHeightLoop() {
ticker := time.NewTicker(common.RetryInterval)
for range ticker.C {
height, err := e.GetLatestBlockHeight()
if err != nil {
logging.Logger.Errorf("error trying to get current height, err=%+v", err.Error())
}
logging.Logger.Infof("current height=%d", height)
}
}
func (e *Executor) GetStorageProviderEndpoint(address string) (string, error) {
client := e.clients.GetClient()
spAddr, err := sdk.AccAddressFromHexUnsafe(address)
if err != nil {
logging.Logger.Errorf("error converting addr from hex unsafe when getting sp endpoint, err=%+v", err.Error())
return "", err
}
res, err := client.GetStorageProviderInfo(context.Background(), spAddr)
if err != nil {
logging.Logger.Errorf("executor failed to query storage provider %s, err=%+v", address, err.Error())
return "", err
}
return res.Endpoint, nil
}
func (e *Executor) GetObjectInfoChecksums(objectId string) ([][]byte, error) {
client := e.clients.GetClient()
res, err := client.HeadObjectByID(context.Background(), objectId)
if err != nil {
logging.Logger.Errorf("executor failed to query storage client for objectId %s, err=%+v", objectId, err.Error())
return nil, err
}
return res.ObjectInfo.GetChecksums(), nil
}
func (e *Executor) GetChallengeResultFromSp(objectId, endpoint string, segmentIndex, redundancyIndex int) (*types.ChallengeResult, error) {
client := e.clients.GetClient()
challengeInfoOpts := types.GetChallengeInfoOptions{
Endpoint: endpoint,
UseV2version: true,
}
challengeInfo, err := client.GetChallengeInfo(context.Background(), objectId, segmentIndex, redundancyIndex, challengeInfoOpts)
if err != nil {
logging.Logger.Errorf("executor failed to query challenge result info from sp client for objectId %s, err=%+v", objectId, err.Error())
return nil, err
}
return &challengeInfo, nil
}
func (e *Executor) QueryVotes(eventType votepool.EventType) ([]*votepool.Vote, error) {
client := e.clients.GetClient().JsonRpcClient
queryMap := make(map[string]interface{})
queryMap[VotePoolQueryParameterEventType] = int(eventType)
queryMap[VotePoolQueryParameterEventHash] = nil
var queryVote coretypes.ResultQueryVote
_, err := client.Call(context.Background(), VotePoolQueryMethodName, queryMap, &queryVote)
if err != nil {
logging.Logger.Errorf("executor failed to query votes for event type %s, err=%+v", string(eventType), err.Error())
return nil, err
}
return queryVote.Votes, nil
}
func (e *Executor) BroadcastVote(v *votepool.Vote) error {
client := e.clients.GetClient().JsonRpcClient
broadcastMap := make(map[string]interface{})
broadcastMap[VotePoolBroadcastParameterKey] = *v
_, err := client.Call(context.Background(), VotePoolBroadcastMethodName, broadcastMap, &ctypes.ResultBroadcastVote{})
if err != nil {
logging.Logger.Errorf("executor failed to broadcast vote to votepool for event hash %s event type %s, err=%+v", string(v.EventHash), string(v.EventType), err.Error())
return err
}
return nil
}
func (e *Executor) GetAddr() string {
return e.address
}
func (e *Executor) GetNonce() (uint64, error) {
client := e.clients.GetClient()
account, err := client.GetAccount(context.Background(), e.GetAddr())
if err != nil {
logging.Logger.Errorf("error getting account, err=%+v", err.Error())
return 0, err
}
nonce := account.GetSequence()
return nonce, err
}