fixes; load from file with valsets and chains

handlers/callbacks.go

@@ -20,7 +20,7 @@ func (tn *TendermintNetwork) newBlockCallback(chainID, valID string) eventmeter.
 		val, _ := chain.Config.GetValidatorByID(valID)
 
 		// update height for validator
-		val.BlockHeight = block.Header.Height
+		val.Status.BlockHeight = block.Header.Height
 
 		// possibly update height and mean block time for chain
 		if block.Header.Height > chain.Status.Height {
@@ -42,8 +42,8 @@ func (tn *TendermintNetwork) latencyCallback(chainID, valID string) eventmeter.L
 
 		// update latency for this validator and avg latency for chain
 		mean := chain.Status.MeanLatency * float64(chain.Status.NumValidators)
-		mean = (mean - val.Latency + latency) / float64(chain.Status.NumValidators)
+		mean = (mean - val.Status.Latency + latency) / float64(chain.Status.NumValidators)
-		val.Latency = latency
+		val.Status.Latency = latency
 		chain.Status.MeanLatency = mean
 
 		// TODO: possibly update active nodes and uptime for chain

handlers/handlers.go

@@ -110,12 +110,13 @@ func (tn *TendermintNetwork) RegisterChain(chainConfig *types.BlockchainConfig)
 
 	// start the event meter and listen for new blocks on each validator
 	for _, v := range chainConfig.Validators {
+		v.Status = &types.ValidatorStatus{}
 
 		if err := v.Start(); err != nil {
 			return nil, err
 		}
-		v.EventMeter().RegisterLatencyCallback(tn.latencyCallback(chainConfig.ID, v.Validator.ID))
+		v.EventMeter().RegisterLatencyCallback(tn.latencyCallback(chainConfig.ID, v.Config.Validator.ID))
-		err := v.EventMeter().Subscribe(tmtypes.EventStringNewBlock(), tn.newBlockCallback(chainConfig.ID, v.Validator.ID))
+		err := v.EventMeter().Subscribe(tmtypes.EventStringNewBlock(), tn.newBlockCallback(chainConfig.ID, v.Config.Validator.ID))
 		if err != nil {
 			return nil, err
 		}
@@ -137,6 +138,13 @@ func (tn *TendermintNetwork) GetValidatorSet(valSetID string) (*types.ValidatorS
 	return valSet, nil
 }
 
+func (tn *TendermintNetwork) RegisterValidatorSet(valSet *types.ValidatorSet) (*types.ValidatorSet, error) {
+	tn.mtx.Lock()
+	defer tn.mtx.Unlock()
+	tn.ValSets[valSet.ID] = valSet
+	return valSet, nil
+}
+
 func (tn *TendermintNetwork) GetValidator(valSetID, valID string) (*types.Validator, error) {
 	tn.mtx.Lock()
 	defer tn.mtx.Unlock()
@@ -182,7 +190,7 @@ func (tn *TendermintNetwork) GetMeter(chainID, valID, eventID string) (*eventmet
 	return val.EventMeter().GetMetric(eventID)
 }
 
-func (tn *TendermintNetwork) getChainVal(chainID, valID string) (*types.ChainValidator, error) {
+func (tn *TendermintNetwork) getChainVal(chainID, valID string) (*types.ValidatorState, error) {
 	chain, ok := tn.Chains[chainID]
 	if !ok {
 		return nil, fmt.Errorf("Unknown chain %s", chainID)

handlers/routes.go

@@ -15,6 +15,7 @@ func Routes(network *TendermintNetwork) map[string]*rpc.RPCFunc {
 		"blockchain":             rpc.NewRPCFunc(GetChainResult(network), "chain"),
 		"register_chain":         rpc.NewRPCFunc(RegisterChainResult(network), "chainConfig"),
 		"validator_set":          rpc.NewRPCFunc(GetValidatorSetResult(network), "valsetID"),
+		"register_validator_set": rpc.NewRPCFunc(RegisterValidatorSetResult(network), "valSet"),
 		"validator":              rpc.NewRPCFunc(GetValidatorResult(network), "valSetID,valID"),
 
 		"start_meter": rpc.NewRPCFunc(network.StartMeter, "chainID,valID,event"),
@@ -47,6 +48,12 @@ func GetValidatorSetResult(network *TendermintNetwork) interface{} {
 	}
 }
 
+func RegisterValidatorSetResult(network *TendermintNetwork) interface{} {
+	return func(valSet *types.ValidatorSet) (NetMonResult, error) {
+		return network.RegisterValidatorSet(valSet)
+	}
+}
+
 func GetValidatorResult(network *TendermintNetwork) interface{} {
 	return func(valSetID, valID string) (NetMonResult, error) {
 		return network.GetValidator(valSetID, valID)

main.go

@@ -3,8 +3,10 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"io/ioutil"
 	"net/http"
 	"os"
+	"path"
 	"strconv"
 	"strings"
 
@@ -16,6 +18,7 @@ import (
 	cfg "github.com/tendermint/go-config"
 	pcm "github.com/tendermint/go-process"
 	"github.com/tendermint/go-rpc/server"
+	"github.com/tendermint/go-wire"
 	tmcfg "github.com/tendermint/tendermint/config/tendermint"
 )
 
@@ -39,6 +42,32 @@ func main() {
 				cmdConfig(c)
 			},
 		},
+		{
+			Name:      "chains-and-vals",
+			Usage:     "Add a chain or validator set to the main config file",
+			ArgsUsage: "",
+			Action: func(c *cli.Context) {
+				cmdChainsAndVals(c)
+			},
+			Subcommands: []cli.Command{
+				{
+					Name:      "chain",
+					Usage:     "Add a chain to the main config file",
+					ArgsUsage: "[configFile] [chainBaseDir]",
+					Action: func(c *cli.Context) {
+						cmdAddChain(c)
+					},
+				},
+				{
+					Name:      "val",
+					Usage:     "Add a validator set to the main config file",
+					ArgsUsage: "[configFile] [valsetBaseDir]",
+					Action: func(c *cli.Context) {
+						cmdAddValSet(c)
+					},
+				},
+			},
+		},
 		{
 			Name:      "monitor",
 			Usage:     "Monitor a chain",
@@ -51,21 +80,110 @@ func main() {
 	app.Run(os.Args)
 }
 
+func cmdChainsAndVals(c *cli.Context) {
+	cli.ShowAppHelp(c)
+}
+
+func cmdAddChain(c *cli.Context) {
+	args := c.Args()
+	if len(args) != 2 {
+		Exit("add chain expectes 2 arg")
+	}
+	cfgFile, chainDir := args[0], args[1]
+
+	// load major config
+	chainsAndVals := new(ChainsAndValidators)
+	if err := ReadJSONFile(chainsAndVals, cfgFile); err != nil {
+		Exit(err.Error())
+	}
+
+	// load new chain
+	chainCfg := new(types.BlockchainConfig)
+	if err := ReadJSONFile(chainCfg, path.Join(chainDir, "chain_config.json")); err != nil {
+		Exit(err.Error())
+	}
+
+	// append new chain
+	chainsAndVals.Blockchains = append(chainsAndVals.Blockchains, chainCfg)
+
+	// write major config
+	b := wire.JSONBytes(chainsAndVals)
+	if err := ioutil.WriteFile(cfgFile, b, 0600); err != nil {
+		Exit(err.Error())
+	}
+}
+
+func ReadJSONFile(o interface{}, filename string) error {
+	b, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+	wire.ReadJSON(o, b, &err)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func cmdAddValSet(c *cli.Context) {
+	args := c.Args()
+	if len(args) != 2 {
+		Exit("add chain expectes 2 arg")
+	}
+	cfgFile, valSetDir := args[0], args[1]
+
+	// load major config
+	chainsAndVals := new(ChainsAndValidators)
+	if err := ReadJSONFile(chainsAndVals, cfgFile); err != nil {
+		Exit(err.Error())
+	}
+
+	// load new validator set
+	valSet := new(types.ValidatorSet)
+	if err := ReadJSONFile(valSet, path.Join(valSetDir, "validator_set.json")); err != nil {
+		Exit(err.Error())
+	}
+
+	// append new validator set
+	chainsAndVals.ValidatorSets = append(chainsAndVals.ValidatorSets, valSet)
+
+	// write major config to file
+	b := wire.JSONBytes(chainsAndVals)
+	if err := ioutil.WriteFile(cfgFile, b, 0600); err != nil {
+		Exit(err.Error())
+	}
+
+}
+
 func cmdMonitor(c *cli.Context) {
 	args := c.Args()
 	if len(args) != 1 {
 		Exit("monitor expectes 1 arg")
 	}
-	chainConfigFile := args[0]
+	chainsAndValsFile := args[0]
-
+	chainsAndVals, err := LoadChainsAndValsFromFile(chainsAndValsFile)
-	chainConfig, err := types.LoadChainFromFile(chainConfigFile)
 	if err != nil {
 		Exit(err.Error())
 	}
 
 	// the main object that watches for changes and serves the rpc requests
 	network := handlers.NewTendermintNetwork()
-	network.RegisterChain(chainConfig)
+
+	for _, valSetCfg := range chainsAndVals.ValidatorSets {
+		// Register validator set
+		_, err := network.RegisterValidatorSet(valSetCfg)
+		if err != nil {
+			Exit(err.Error())
+		}
+	}
+
+	for _, chainCfg := range chainsAndVals.Blockchains {
+		// Register blockchain
+		_, err := network.RegisterChain(chainCfg)
+		if err != nil {
+			Exit(err.Error())
+		}
+	}
 
 	// the routes are functions on the network object
 	routes := handlers.Routes(network)
@@ -111,7 +229,7 @@ func ConfigFromMachines(chainID, prefix string, N int) (*types.BlockchainConfig,
 
 	chain := &types.BlockchainConfig{
 		ID:         chainID,
-		Validators: make([]*types.ChainValidator, N),
+		Validators: make([]*types.ValidatorState, N),
 	}
 	for i := 0; i < N; i++ {
 		id := fmt.Sprintf("%s%d", prefix, i+1)
@@ -124,10 +242,12 @@ func ConfigFromMachines(chainID, prefix string, N int) (*types.BlockchainConfig,
 			ID: id,
 			// TODO: pubkey
 		}
-		chainVal := &types.ChainValidator{
+		chainVal := &types.ValidatorState{
+			Config: &types.ValidatorConfig{
 				Validator: val,
-			Addr:      fmt.Sprintf("%s:%d", strings.Trim(ip, "\n"), 46657),
+				RPCAddr:   fmt.Sprintf("%s:%d", strings.Trim(ip, "\n"), 46657),
 				Index:     i,
+			},
 		}
 		chain.Validators[i] = chainVal
 	}
@@ -152,3 +272,28 @@ func runProcessGetResult(label string, command string, args []string) (string, b
 		return string(outFile.Bytes()), false
 	}
 }
+
+//----------------------------------------------------------------------
+
+type ChainsAndValidators struct {
+	ValidatorSets []*types.ValidatorSet     `json:"validator_sets"`
+	Blockchains   []*types.BlockchainConfig `json:"blockchains"`
+}
+
+func LoadChainsAndValsFromFile(configFile string) (*ChainsAndValidators, error) {
+
+	b, err := ioutil.ReadFile(configFile)
+	if err != nil {
+		return nil, err
+	}
+
+	// for now we start with one blockchain loaded from file;
+	// eventually more can be uploaded or created through endpoints
+	chainsAndVals := new(ChainsAndValidators)
+	wire.ReadJSON(chainsAndVals, b, &err)
+	if err != nil {
+		return nil, err
+	}
+
+	return chainsAndVals, nil
+}

types/chain.go

@@ -62,6 +62,13 @@ type ChainState struct {
 	Status *BlockchainStatus `json:"status"`
 }
 
+// chain config without ValidatorState
+type BlockchainBaseConfig struct {
+	ID         string             `json:"id"`
+	ValSetID   string             `json:"val_set_id"`
+	Validators []*ValidatorConfig `json:"validators"`
+}
+
 // basic chain config
 // threadsafe
 type BlockchainConfig struct {
@@ -69,7 +76,7 @@ type BlockchainConfig struct {
 	ValSetID string `json:"val_set_id"`
 
 	mtx        sync.Mutex
-	Validators []*ChainValidator `json:"validators"`
+	Validators []*ValidatorState `json:"validators"` // TODO: this should be ValidatorConfig and the state in BlockchainStatus
 	valIDMap   map[string]int    // map IDs to indices
 }
 
@@ -79,11 +86,11 @@ func (bc *BlockchainConfig) PopulateValIDMap() {
 	defer bc.mtx.Unlock()
 	bc.valIDMap = make(map[string]int)
 	for i, v := range bc.Validators {
-		bc.valIDMap[v.Validator.ID] = i
+		bc.valIDMap[v.Config.Validator.ID] = i
 	}
 }
 
-func (bc *BlockchainConfig) GetValidatorByID(valID string) (*ChainValidator, error) {
+func (bc *BlockchainConfig) GetValidatorByID(valID string) (*ValidatorState, error) {
 	bc.mtx.Lock()
 	defer bc.mtx.Unlock()
 	valIndex, ok := bc.valIDMap[valID]

types/val.go

@@ -18,6 +18,7 @@ import (
 
 // validator set (independent of chains)
 type ValidatorSet struct {
+	ID         string       `json:"id"`
 	Validators []*Validator `json:"validators"`
 }
 
@@ -34,61 +35,68 @@ func (vs *ValidatorSet) Validator(valID string) (*Validator, error) {
 type Validator struct {
 	ID     string        `json:"id"`
 	PubKey crypto.PubKey `json:"pub_key"`
-	Chains []string      `json:"chains"`
+	Chains []string      `json:"chains,omitempty"` // TODO: put this elsewhere (?)
+}
+
+type ValidatorConfig struct {
+	Validator *Validator `json:"validator"`
+	P2PAddr   string     `json:"p2p_addr"`
+	RPCAddr   string     `json:"rpc_addr"`
+	Index     int        `json:"index,omitempty"`
+}
+
+type ValidatorStatus struct {
+	Latency     float64 `json:"latency" wire:"unsafe"`
+	BlockHeight int     `json:"block_height"`
 }
 
 // Validator on a chain
 // Responsible for communication with the validator
 // Returned over RPC but also used to manage state
-type ChainValidator struct {
+type ValidatorState struct {
-	Validator *Validator `json:"validator"`
+	Config *ValidatorConfig `json:"config"`
-	Addr      string     `json:"addr"` // do we want multiple addrs?
+	Status *ValidatorStatus `json:"status"`
-	Index     int        `json:"index"`
-
-	Latency     float64 `json:"latency" wire:"unsafe"`
-	BlockHeight int     `json:"block_height"`
 
 	em     *eventmeter.EventMeter // holds a ws connection to the val
 	client *client.ClientURI      // rpc client
-
 }
 
 // Start a new event meter, including the websocket connection
 // Also create the http rpc client for convenienve
-func (cv *ChainValidator) Start() error {
+func (vs *ValidatorState) Start() error {
-	em := eventmeter.NewEventMeter(fmt.Sprintf("ws://%s/websocket", cv.Addr), UnmarshalEvent)
+	em := eventmeter.NewEventMeter(fmt.Sprintf("ws://%s/websocket", vs.Config.RPCAddr), UnmarshalEvent)
 	if err := em.Start(); err != nil {
 		return err
 	}
-	cv.em = em
+	vs.em = em
-	cv.client = client.NewClientURI(fmt.Sprintf("http://%s", cv.Addr))
+	vs.client = client.NewClientURI(fmt.Sprintf("http://%s", vs.Config.RPCAddr))
 	return nil
 }
 
-func (cv *ChainValidator) Stop() {
+func (vs *ValidatorState) Stop() {
-	cv.em.Stop()
+	vs.em.Stop()
 }
 
-func (cv *ChainValidator) EventMeter() *eventmeter.EventMeter {
+func (vs *ValidatorState) EventMeter() *eventmeter.EventMeter {
-	return cv.em
+	return vs.em
 }
 
 // Return the validators pubkey. If it's not yet set, get it from the node
 // TODO: proof that it's the node's key
-func (cv *ChainValidator) PubKey() crypto.PubKey {
+func (vs *ValidatorState) PubKey() crypto.PubKey {
-	if cv.Validator.PubKey != nil {
+	if vs.Config.Validator.PubKey != nil {
-		return cv.Validator.PubKey
+		return vs.Config.Validator.PubKey
 	}
 
 	var result ctypes.TMResult
-	_, err := cv.client.Call("status", nil, &result)
+	_, err := vs.client.Call("status", nil, &result)
 	if err != nil {
-		log.Error("Error getting validator pubkey", "addr", cv.Addr, "val", cv.Validator.ID, "error", err)
+		log.Error("Error getting validator pubkey", "addr", vs.Config.RPCAddr, "val", vs.Config.Validator.ID, "error", err)
 		return nil
 	}
 	status := result.(*ctypes.ResultStatus)
-	cv.Validator.PubKey = status.PubKey
+	vs.Config.Validator.PubKey = status.PubKey
-	return cv.Validator.PubKey
+	return vs.Config.Validator.PubKey
 }
 
 //---------------------------------------------------