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validator.go
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validator.go
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package validator
import (
"encoding/base64"
"errors"
"fmt"
"math/big"
"strconv"
"time"
"github.com/crypto-com/chain-indexing/appinterface/projection/rdbprojectionbase"
"github.com/crypto-com/chain-indexing/appinterface/rdb"
event_entity "github.com/crypto-com/chain-indexing/entity/event"
projection_entity "github.com/crypto-com/chain-indexing/entity/projection"
applogger "github.com/crypto-com/chain-indexing/external/logger"
"github.com/crypto-com/chain-indexing/external/tmcosmosutils"
"github.com/crypto-com/chain-indexing/external/utctime"
"github.com/crypto-com/chain-indexing/infrastructure/pg/migrationhelper"
"github.com/crypto-com/chain-indexing/projection/validator/constants"
"github.com/crypto-com/chain-indexing/projection/validator/view"
event_usecase "github.com/crypto-com/chain-indexing/usecase/event"
)
var _ projection_entity.Projection = &Validator{}
const DO_NOT_MODIFY = "[do-not-modify]"
type Validator struct {
*rdbprojectionbase.Base
rdbConn rdb.Conn
logger applogger.Logger
conNodeAddressPrefix string
migrationHelper migrationhelper.MigrationHelper
}
func NewValidator(
logger applogger.Logger,
rdbConn rdb.Conn,
conNodeAddressPrefix string,
migrationHelper migrationhelper.MigrationHelper,
) *Validator {
return &Validator{
rdbprojectionbase.NewRDbBase(
rdbConn.ToHandle(),
"Validator",
),
rdbConn,
logger,
conNodeAddressPrefix,
migrationHelper,
}
}
func (_ *Validator) GetEventsToListen() []string {
return []string{
event_usecase.GENESIS_CREATED,
event_usecase.BLOCK_CREATED,
event_usecase.GENESIS_VALIDATOR_CREATED,
event_usecase.MSG_CREATE_VALIDATOR_CREATED,
event_usecase.MSG_EDIT_VALIDATOR_CREATED,
event_usecase.MSG_DELEGATE_CREATED,
event_usecase.MSG_BEGIN_REDELEGATE_CREATED,
event_usecase.MSG_UNDELEGATE_CREATED,
event_usecase.MSG_WITHDRAW_DELEGATOR_REWARD_CREATED,
event_usecase.MSG_WITHDRAW_VALIDATOR_COMMISSION_CREATED,
event_usecase.BLOCK_PROPOSER_REWARDED,
event_usecase.BLOCK_REWARDED,
event_usecase.BLOCK_COMMISSIONED,
event_usecase.VALIDATOR_JAILED,
event_usecase.VALIDATOR_SLASHED,
event_usecase.MSG_UNJAIL_CREATED,
event_usecase.POWER_CHANGED,
event_usecase.MSG_VOTE_CREATED,
}
}
// const (
// MIGRATION_TABLE_NAME = "validator_schema_migrations"
// MIGRATION_DIRECOTRY = "projection/validator/migrations"
// )
func (projection *Validator) OnInit() error {
if projection.migrationHelper != nil {
projection.migrationHelper.Migrate()
}
return nil
}
func (projection *Validator) HandleEvents(height int64, events []event_entity.Event) error {
rdbTx, err := projection.rdbConn.Begin()
if err != nil {
return fmt.Errorf("error beginning transaction: %v", err)
}
committed := false
defer func() {
if !committed {
_ = rdbTx.Rollback()
}
}()
rdbTxHandle := rdbTx.ToHandle()
validatorsView := view.NewValidators(rdbTxHandle)
validatorBlockCommitmentsView := view.NewValidatorBlockCommitments(rdbTxHandle)
validatorBlockCommitmentsTotalView := view.NewValidatorBlockCommitmentsTotal(rdbTxHandle)
validatorActivitiesView := view.NewValidatorActivities(rdbTxHandle)
validatorActivitiesTotalView := view.NewValidatorActivitiesTotal(rdbTxHandle)
var blockTime utctime.UTCTime
var blockHash string
var blockProposer string
for _, event := range events {
if genesisEvent, ok := event.(*event_usecase.GenesisCreated); ok {
blockTime = utctime.MustParse(time.RFC3339, genesisEvent.Genesis.GenesisTime)
blockHash = "genesis"
} else if blockCreatedEvent, ok := event.(*event_usecase.BlockCreated); ok {
blockTime = blockCreatedEvent.Block.Time
blockHash = blockCreatedEvent.Block.Hash
blockProposer = blockCreatedEvent.Block.ProposerAddress
}
}
if projectErr := projection.projectValidatorView(validatorsView, height, events); projectErr != nil {
return fmt.Errorf("error projecting validator view: %v", projectErr)
}
if projectErr := projection.projectValidatorActivitiesView(
validatorsView,
validatorActivitiesView,
validatorActivitiesTotalView,
blockHash,
blockTime,
events,
); projectErr != nil {
return fmt.Errorf("error projecting validator activities view: %v", err)
}
validatorList, listValidatorErr := validatorsView.ListAll(view.ValidatorsListFilter{
MaybeStatuses: nil,
}, view.ValidatorsListOrder{MaybePower: nil})
if listValidatorErr != nil {
return fmt.Errorf("error retrieving validator list: %v", listValidatorErr)
}
validatorMap := make(map[string]*view.ValidatorRow)
for i, validator := range validatorList {
validatorMap[validator.TendermintAddress] = &validatorList[i]
}
for _, event := range events {
if blockCreatedEvent, ok := event.(*event_usecase.BlockCreated); ok {
signatureCount := len(blockCreatedEvent.Block.Signatures)
commitmentRows := make([]view.ValidatorBlockCommitmentRow, 0, signatureCount)
identities := make([]string, 0, len(blockCreatedEvent.Block.Signatures))
heightValidatorIdentities := make([]string, 0, len(blockCreatedEvent.Block.Signatures))
commitmentMap := make(map[string]bool)
for _, signature := range blockCreatedEvent.Block.Signatures {
signedValidator, exist := validatorMap[signature.ValidatorAddress]
if !exist {
return errors.New("error looking for signing validator details: not found")
}
commitmentRows = append(commitmentRows, view.ValidatorBlockCommitmentRow{
ConsensusNodeAddress: signedValidator.ConsensusNodeAddress,
BlockHeight: height,
IsProposer: blockProposer == signature.ValidatorAddress,
Signature: signature.Signature,
Timestamp: signature.Timestamp,
})
identities = append(identities, fmt.Sprintf("-:%s", signedValidator.ConsensusNodeAddress))
heightValidatorIdentities = append(
heightValidatorIdentities,
fmt.Sprintf("%s:%s", strconv.FormatInt(height, 10), signedValidator.ConsensusNodeAddress),
)
commitmentMap[signedValidator.ConsensusNodeAddress] = true
}
if err := validatorBlockCommitmentsView.InsertAll(commitmentRows); err != nil {
return fmt.Errorf("error incrementing validator block commitment rows: %v", err)
}
if err := validatorBlockCommitmentsTotalView.Set(
fmt.Sprintf("%s:-", strconv.FormatInt(height, 10)), int64(signatureCount),
); err != nil {
return fmt.Errorf("error incrementing height validator block commitments total: %v", err)
}
if err := validatorBlockCommitmentsTotalView.IncrementAll(
identities, 1,
); err != nil {
return fmt.Errorf("error incrementing validator validator block commitments total: %v", err)
}
if err := validatorBlockCommitmentsTotalView.IncrementAll(
heightValidatorIdentities, 1,
); err != nil {
return fmt.Errorf("error incrementing height-valiadtor block commitments total: %v", err)
}
if err := validatorBlockCommitmentsTotalView.Increment(
"-:-", int64(signatureCount),
); err != nil {
return fmt.Errorf("error incrementing overall validator block commitments total: %v", err)
}
// Update validator up time
activeValidators, activeValidatorsQueryErr := validatorsView.ListAll(view.ValidatorsListFilter{
MaybeStatuses: []constants.Status{constants.BONDED},
}, view.ValidatorsListOrder{})
if activeValidatorsQueryErr != nil {
return fmt.Errorf("error querying active validators: %v", activeValidatorsQueryErr)
}
var mutActiveValidators []view.ValidatorRow
for _, activeValidator := range activeValidators {
mutActiveValidator := activeValidator
if commitmentMap[mutActiveValidator.ConsensusNodeAddress] {
mutActiveValidator.TotalSignedBlock += 1
} else {
// give 10 blocks buffer on validator first join
if height-mutActiveValidator.JoinedAtBlockHeight < 10 {
mutActiveValidator.TotalSignedBlock += 1
}
}
mutActiveValidator.TotalActiveBlock += 1
mutActiveValidator.ImpreciseUpTime = new(big.Float).Quo(
new(big.Float).SetInt64(mutActiveValidator.TotalSignedBlock),
new(big.Float).SetInt64(mutActiveValidator.TotalActiveBlock),
)
mutActiveValidators = append(mutActiveValidators, mutActiveValidator)
}
if activeValidatorUpdateErr := validatorsView.UpdateAllValidatorUpTime(mutActiveValidators); activeValidatorUpdateErr != nil {
return fmt.Errorf("error updating active validators up time data: %v", activeValidatorUpdateErr)
}
} else if votedEvent, ok := event.(*event_usecase.MsgVote); ok {
projection.logger.Debug("handling MsgVote event")
mutVotedValidator, votedValidatorQueryErr := validatorsView.FindBy(view.ValidatorIdentity{
MaybeInitialDelegatorAddress: &votedEvent.Voter,
})
if votedValidatorQueryErr != nil {
if errors.Is(votedValidatorQueryErr, rdb.ErrNoRows) {
// the vote belongs to a non-validator account
break
}
return fmt.Errorf("error querying voted validator: %v", votedValidatorQueryErr)
}
mutVotedValidator.VotedGovProposal = new(big.Int).Add(mutVotedValidator.VotedGovProposal, big.NewInt(1))
if votedValidatorUpdateErr := validatorsView.Update(mutVotedValidator); votedValidatorUpdateErr != nil {
return fmt.Errorf("error updating voted validator: %v", votedValidatorUpdateErr)
}
}
}
if err := projection.UpdateLastHandledEventHeight(rdbTxHandle, height); err != nil {
return fmt.Errorf("error updating last handled event height: %v", err)
}
if err := rdbTx.Commit(); err != nil {
return fmt.Errorf("error committing changes: %v", err)
}
committed = true
return nil
}
func (projection *Validator) projectValidatorView(
validatorsView *view.Validators,
blockHeight int64,
events []event_entity.Event,
) error {
// MsgCreateValidator should be handled first
for _, event := range events {
if createGenesisValidator, ok := event.(*event_usecase.CreateGenesisValidator); ok {
projection.logger.Debug("handling CreateGenesisValidator event")
tendermintPubkey, err := base64.StdEncoding.DecodeString(createGenesisValidator.TendermintPubkey)
if err != nil {
return fmt.Errorf("error base64 decoding Tendermint node pubkey: %v", err)
}
consensusNodeAddress, err := tmcosmosutils.ConsensusNodeAddressFromTmPubKey(
projection.conNodeAddressPrefix, tendermintPubkey,
)
if err != nil {
return fmt.Errorf("error converting Tendermint node pubkey to address: %v", err)
}
tendermintAddress := tmcosmosutils.TmAddressFromTmPubKey(tendermintPubkey)
power := "0"
if createGenesisValidator.Status == constants.BONDED {
power = createGenesisValidator.Amount.Amount.QuoRaw(1000000).String()
}
validatorRow := view.ValidatorRow{
ConsensusNodeAddress: consensusNodeAddress,
OperatorAddress: createGenesisValidator.ValidatorAddress,
InitialDelegatorAddress: createGenesisValidator.DelegatorAddress,
TendermintAddress: tendermintAddress,
TendermintPubkey: createGenesisValidator.TendermintPubkey,
MinSelfDelegation: createGenesisValidator.MinSelfDelegation,
Status: createGenesisValidator.Status,
Jailed: createGenesisValidator.Jailed,
JoinedAtBlockHeight: blockHeight,
// TODO: https://github.com/cosmos/cosmos-sdk/pull/8505
Power: power,
Moniker: createGenesisValidator.Description.Moniker,
Identity: createGenesisValidator.Description.Identity,
Website: createGenesisValidator.Description.Website,
SecurityContact: createGenesisValidator.Description.SecurityContact,
Details: createGenesisValidator.Description.Details,
CommissionRate: createGenesisValidator.CommissionRates.Rate,
CommissionMaxRate: createGenesisValidator.CommissionRates.MaxRate,
CommissionMaxChangeRate: createGenesisValidator.CommissionRates.MaxChangeRate,
TotalSignedBlock: 0,
TotalActiveBlock: 0,
ImpreciseUpTime: big.NewFloat(1),
VotedGovProposal: big.NewInt(0),
}
// Validator re-joins
isJoined, joinedAtBlockHeight, err := validatorsView.LastJoinedBlockHeight(
validatorRow.OperatorAddress, validatorRow.ConsensusNodeAddress,
)
if err != nil {
return fmt.Errorf("error querying validator last joined block height: %v", err)
}
if isJoined {
validatorRow.JoinedAtBlockHeight = joinedAtBlockHeight
}
if err := validatorsView.Upsert(&validatorRow); err != nil {
return fmt.Errorf("error inserting new validator into view: %v", err)
}
} else if msgCreateValidatorEvent, ok := event.(*event_usecase.MsgCreateValidator); ok {
projection.logger.Debug("handling MsgCreateValidator event")
tendermintPubkey, err := base64.StdEncoding.DecodeString(msgCreateValidatorEvent.TendermintPubkey)
if err != nil {
return fmt.Errorf("error base64 decoding Tendermint node pubkey: %v", err)
}
consensusNodeAddress, err := tmcosmosutils.ConsensusNodeAddressFromTmPubKey(
projection.conNodeAddressPrefix, tendermintPubkey,
)
if err != nil {
return fmt.Errorf("error converting Tendermint node pubkey to address: %v", err)
}
tendermintAddress := tmcosmosutils.TmAddressFromTmPubKey(tendermintPubkey)
status := constants.UNBONDED
if blockHeight == 0 {
// genesis validators are always bonded
status = constants.BONDED
}
validatorRow := view.ValidatorRow{
ConsensusNodeAddress: consensusNodeAddress,
OperatorAddress: msgCreateValidatorEvent.ValidatorAddress,
InitialDelegatorAddress: msgCreateValidatorEvent.DelegatorAddress,
TendermintAddress: tendermintAddress,
TendermintPubkey: msgCreateValidatorEvent.TendermintPubkey,
MinSelfDelegation: msgCreateValidatorEvent.MinSelfDelegation,
Status: status,
Jailed: false,
JoinedAtBlockHeight: blockHeight,
// TODO: https://github.com/cosmos/cosmos-sdk/pull/8505
Power: msgCreateValidatorEvent.Amount.Amount.QuoRaw(1000000).String(),
Moniker: msgCreateValidatorEvent.Description.Moniker,
Identity: msgCreateValidatorEvent.Description.Identity,
Website: msgCreateValidatorEvent.Description.Website,
SecurityContact: msgCreateValidatorEvent.Description.SecurityContact,
Details: msgCreateValidatorEvent.Description.Details,
CommissionRate: msgCreateValidatorEvent.CommissionRates.Rate,
CommissionMaxRate: msgCreateValidatorEvent.CommissionRates.MaxRate,
CommissionMaxChangeRate: msgCreateValidatorEvent.CommissionRates.MaxChangeRate,
TotalSignedBlock: 0,
TotalActiveBlock: 0,
ImpreciseUpTime: big.NewFloat(1),
VotedGovProposal: big.NewInt(0),
}
// Validator re-joins
isJoined, joinedAtBlockHeight, err := validatorsView.LastJoinedBlockHeight(
validatorRow.OperatorAddress, validatorRow.ConsensusNodeAddress,
)
if err != nil {
return fmt.Errorf("error querying validator last joined block height: %v", err)
}
if isJoined {
validatorRow.JoinedAtBlockHeight = joinedAtBlockHeight
}
if err := validatorsView.Upsert(&validatorRow); err != nil {
return fmt.Errorf("error inserting new validator into view: %v", err)
}
}
}
for _, event := range events {
if msgEditValidatorEvent, ok := event.(*event_usecase.MsgEditValidator); ok {
projection.logger.Debug("handling MsgEditValidator event")
mutValidatorRow, err := validatorsView.FindBy(view.ValidatorIdentity{
MaybeOperatorAddress: &msgEditValidatorEvent.ValidatorAddress,
})
if err != nil {
return fmt.Errorf(
"error getting existing validator %s from view", msgEditValidatorEvent.ValidatorAddress,
)
}
if msgEditValidatorEvent.Description.Moniker != DO_NOT_MODIFY {
mutValidatorRow.Moniker = msgEditValidatorEvent.Description.Moniker
}
if msgEditValidatorEvent.Description.Identity != DO_NOT_MODIFY {
mutValidatorRow.Identity = msgEditValidatorEvent.Description.Identity
}
if msgEditValidatorEvent.Description.Details != DO_NOT_MODIFY {
mutValidatorRow.Details = msgEditValidatorEvent.Description.Details
}
if msgEditValidatorEvent.Description.SecurityContact != DO_NOT_MODIFY {
mutValidatorRow.SecurityContact = msgEditValidatorEvent.Description.SecurityContact
}
if msgEditValidatorEvent.Description.Website != DO_NOT_MODIFY {
mutValidatorRow.Website = msgEditValidatorEvent.Description.Website
}
if msgEditValidatorEvent.MaybeCommissionRate != nil {
mutValidatorRow.CommissionRate = *msgEditValidatorEvent.MaybeCommissionRate
}
if msgEditValidatorEvent.MaybeMinSelfDelegation != nil {
mutValidatorRow.MinSelfDelegation = *msgEditValidatorEvent.MaybeMinSelfDelegation
}
if err := validatorsView.Update(mutValidatorRow); err != nil {
return fmt.Errorf("error updating validator into view: %v", err)
}
} else if validatorJailedEvent, ok := event.(*event_usecase.ValidatorJailed); ok {
projection.logger.Debug("handling ValidatorJailed event")
mutValidatorRow, err := validatorsView.FindBy(view.ValidatorIdentity{
MaybeConsensusNodeAddress: &validatorJailedEvent.ConsensusNodeAddress,
})
if err != nil {
return fmt.Errorf(
"error getting existing validator `%s` from view", validatorJailedEvent.ConsensusNodeAddress,
)
}
mutValidatorRow.Status = constants.JAILED
mutValidatorRow.Jailed = true
if err := validatorsView.Update(mutValidatorRow); err != nil {
return fmt.Errorf("error updating validator into view: %v", err)
}
} else if msgUnjailEvent, ok := event.(*event_usecase.MsgUnjail); ok {
projection.logger.Debug("handling MsgUnjail event")
mutValidatorRow, err := validatorsView.FindBy(view.ValidatorIdentity{
MaybeOperatorAddress: &msgUnjailEvent.ValidatorAddr,
})
if err != nil {
return fmt.Errorf("error getting existing validator `%s` from view", msgUnjailEvent.ValidatorAddr)
}
// Unjailed validator will become inactive first, if there's voting power changes then it becomes bonded
mutValidatorRow.Status = constants.INACTIVE
mutValidatorRow.Jailed = false
if err := validatorsView.Update(mutValidatorRow); err != nil {
return fmt.Errorf("error updating validator into view: %v", err)
}
} else if powerChangedEvent, ok := event.(*event_usecase.PowerChanged); ok {
projection.logger.Debug("handling PowerChange event")
pubkey, convErr := base64.StdEncoding.DecodeString(powerChangedEvent.TendermintPubkey)
if convErr != nil {
return fmt.Errorf("error base64 decoding tendermint pubkey")
}
consensusNodeAddress, convErr := tmcosmosutils.ConsensusNodeAddressFromTmPubKey(
projection.conNodeAddressPrefix, pubkey,
)
if convErr != nil {
return fmt.Errorf("error converting tendermint pubkey to consensus pubkey")
}
mutValidatorRow, err := validatorsView.FindBy(view.ValidatorIdentity{
MaybeConsensusNodeAddress: &consensusNodeAddress,
})
if err != nil {
return fmt.Errorf("error getting existing validator `%s` from view", consensusNodeAddress)
}
mutValidatorRow.Power = powerChangedEvent.Power
if powerChangedEvent.Power == "0" && !mutValidatorRow.Jailed {
mutValidatorRow.Status = constants.INACTIVE
} else if powerChangedEvent.Power != "0" {
mutValidatorRow.Status = constants.BONDED
}
if err := validatorsView.Update(mutValidatorRow); err != nil {
return fmt.Errorf("error updating validator into view: %v", err)
}
}
}
return nil
}