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195 lines
4.7 KiB
195 lines
4.7 KiB
package handlers
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import (
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"fmt"
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"sort"
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"sync"
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"github.com/tendermint/go-event-meter"
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"github.com/tendermint/go-wire"
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"github.com/tendermint/netmon/types"
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tmtypes "github.com/tendermint/tendermint/types"
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)
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type NetMonResult interface {
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}
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// for wire.readReflect
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var _ = wire.RegisterInterface(
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struct{ NetMonResult }{},
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wire.ConcreteType{&types.ChainAndValidatorSetIDs{}, 0x01},
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wire.ConcreteType{&types.ChainState{}, 0x02},
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wire.ConcreteType{&types.Validator{}, 0x03},
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wire.ConcreteType{&eventmeter.EventMetric{}, 0x04},
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)
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//---------------------------------------------
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// global state and backend functions
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type TendermintNetwork struct {
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mtx sync.Mutex
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Chains map[string]*types.ChainState `json:"blockchains"`
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ValSets map[string]*types.ValidatorSet `json:"validator_sets"`
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}
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// TODO: populate validator sets
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func NewTendermintNetwork(chains ...*types.ChainState) *TendermintNetwork {
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network := &TendermintNetwork{
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Chains: make(map[string]*types.ChainState),
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ValSets: make(map[string]*types.ValidatorSet),
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}
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for _, chain := range chains {
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network.Chains[chain.Config.ID] = chain
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}
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return network
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}
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//------------
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// Public Methods
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func (tn *TendermintNetwork) Stop() {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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for _, c := range tn.Chains {
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for _, v := range c.Config.Validators {
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v.Stop()
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}
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}
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}
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//------------
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// RPC funcs
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// Returns sorted lists of all chains and validator sets
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func (tn *TendermintNetwork) Status() (*types.ChainAndValidatorSetIDs, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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chains := make([]string, len(tn.Chains))
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valSets := make([]string, len(tn.ValSets))
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i := 0
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for chain, _ := range tn.Chains {
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chains[i] = chain
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i += 1
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}
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i = 0
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for valset, _ := range tn.ValSets {
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valSets[i] = valset
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i += 1
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}
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sort.StringSlice(chains).Sort()
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sort.StringSlice(valSets).Sort()
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return &types.ChainAndValidatorSetIDs{
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ChainIDs: chains,
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ValidatorSetIDs: valSets,
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}, nil
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}
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func (tn *TendermintNetwork) GetChain(chainID string) (*types.ChainState, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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chain, ok := tn.Chains[chainID]
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if !ok {
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return nil, fmt.Errorf("Unknown chain %s", chainID)
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}
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return chain, nil
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}
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func (tn *TendermintNetwork) RegisterChain(chainConfig *types.BlockchainConfig) (*types.ChainState, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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chainState := &types.ChainState{
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Config: chainConfig,
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Status: types.NewBlockchainStatus(),
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}
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chainState.Status.NumValidators = len(chainConfig.Validators)
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chainState.Config.PopulateValIDMap()
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// start the event meter and listen for new blocks on each validator
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for _, v := range chainConfig.Validators {
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if err := v.Start(); err != nil {
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return nil, err
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}
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v.EventMeter().RegisterLatencyCallback(tn.latencyCallback(chainConfig.ID, v.Validator.ID))
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err := v.EventMeter().Subscribe(tmtypes.EventStringNewBlock(), tn.newBlockCallback(chainConfig.ID, v.Validator.ID))
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if err != nil {
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return nil, err
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}
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// get/set the validator's pub key
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v.PubKey()
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}
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tn.Chains[chainState.Config.ID] = chainState
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return chainState, nil
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}
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func (tn *TendermintNetwork) GetValidatorSet(valSetID string) (*types.ValidatorSet, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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valSet, ok := tn.ValSets[valSetID]
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if !ok {
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return nil, fmt.Errorf("Unknown validator set %s", valSetID)
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}
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return valSet, nil
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}
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func (tn *TendermintNetwork) GetValidator(valSetID, valID string) (*types.Validator, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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valSet, ok := tn.ValSets[valSetID]
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if !ok {
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return nil, fmt.Errorf("Unknown validator set %s", valSetID)
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}
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val, err := valSet.Validator(valID)
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if err != nil {
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return nil, err
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}
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return val, nil
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}
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func (tn *TendermintNetwork) StartMeter(chainID, valID, eventID string) error {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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val, err := tn.getChainVal(chainID, valID)
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if err != nil {
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return err
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}
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return val.EventMeter().Subscribe(eventID, nil)
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}
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func (tn *TendermintNetwork) StopMeter(chainID, valID, eventID string) error {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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val, err := tn.getChainVal(chainID, valID)
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if err != nil {
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return err
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}
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return val.EventMeter().Unsubscribe(eventID)
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}
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func (tn *TendermintNetwork) GetMeter(chainID, valID, eventID string) (*eventmeter.EventMetric, error) {
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tn.mtx.Lock()
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defer tn.mtx.Unlock()
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val, err := tn.getChainVal(chainID, valID)
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if err != nil {
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return nil, err
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}
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return val.EventMeter().GetMetric(eventID)
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}
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func (tn *TendermintNetwork) getChainVal(chainID, valID string) (*types.ChainValidator, error) {
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chain, ok := tn.Chains[chainID]
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if !ok {
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return nil, fmt.Errorf("Unknown chain %s", chainID)
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}
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val, err := chain.Config.GetValidatorByID(valID)
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if err != nil {
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return nil, err
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}
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return val, nil
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}
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