Merge pull request #52 from masterSplinter01/46-move-authmate-to-neofs-s3-gw

Move authmate to neofs-s3-gw

Makefile

@@ -1,18 +1,26 @@
 #!/usr/bin/make -f
 
+# Common variables
 REPO ?= $(shell go list -m)
 VERSION ?= "$(shell git describe --tags 2>/dev/null || git rev-parse --short HEAD | sed 's/^v//')"
-
-BIN_NAME=neofs-s3-gw
-HUB_IMAGE="nspccdev/$(BIN_NAME)"
-HUB_TAG ?= "$(shell echo ${VERSION} | sed 's/^v//')"
 BINDIR = bin
+
+# s3 gw variables
+BIN_NAME=neofs-s3-gw
 BIN = "$(BINDIR)/$(BIN_NAME)"
 
+# Variables for docker
+HUB_IMAGE ?= "nspccdev/$(BIN_NAME)"
+HUB_TAG ?= "$(shell echo ${VERSION} | sed 's/^v//')"
+
+# Authmate variables
+AUTHMATE_BIN_NAME=neofs-authmate
+AUTHMATE_BIN = "$(BINDIR)/$(AUTHMATE_BIN_NAME)"
+
 .PHONY: help all dep clean format test cover lint docker/lint image-push image dirty-image
 
 # Make all binaries
-all: $(BIN)
+all: $(BIN) $(AUTHMATE_BIN)
 
 $(BIN): $(BINDIR) dep
 	@echo "⇒ Build $@"
@@ -21,6 +29,13 @@ $(BIN): $(BINDIR) dep
 	-ldflags "-X main.Version=$(VERSION)" \
 	-o $@ ./cmd/gate
 
+$(AUTHMATE_BIN): $(BINDIR) dep
+	@echo "⇒ Build $@"
+	CGO_ENABLED=0 \
+	go build -v -trimpath \
+	-ldflags "-X main.Version=$(VERSION)" \
+	-o $@ ./cmd/authmate
+
 $(BINDIR):
 	@echo "⇒ Ensure dir: $@"
 	@mkdir -p $@

authmate/authmate.go

@@ -0,0 +1,236 @@
+package authmate
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"encoding/json"
+	"io"
+	"math"
+	"strconv"
+	"time"
+
+	sdk "github.com/nspcc-dev/cdn-sdk"
+	"github.com/nspcc-dev/cdn-sdk/creds/bearer"
+	"github.com/nspcc-dev/cdn-sdk/creds/hcs"
+	"github.com/nspcc-dev/cdn-sdk/creds/neofs"
+	"github.com/nspcc-dev/cdn-sdk/creds/s3"
+	"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
+	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
+	"github.com/nspcc-dev/neofs-api-go/pkg/object"
+	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
+	"github.com/nspcc-dev/neofs-api-go/pkg/token"
+	"github.com/nspcc-dev/neofs-node/pkg/policy"
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+)
+
+const defaultAuthContainerBasicACL uint32 = 0b00111100100011001000110011001100
+
+// Agent contains client communicating with NeoFS and logger.
+type Agent struct {
+	cli sdk.Client
+	log *zap.Logger
+}
+
+// New creates an object of type Agent that consists of Client and logger.
+func New(log *zap.Logger, client sdk.Client) *Agent {
+	return &Agent{log: log, cli: client}
+}
+
+type (
+	// IssueSecretOptions contains options for passing to Agent.IssueSecret method.
+	IssueSecretOptions struct {
+		ContainerID           *container.ID
+		ContainerFriendlyName string
+		NEOFSCreds            neofs.Credentials
+		OwnerPrivateKey       hcs.PrivateKey
+		GatesPublicKeys       []hcs.PublicKey
+		EACLRules             []byte
+	}
+
+	// ObtainSecretOptions contains options for passing to Agent.ObtainSecret method.
+	ObtainSecretOptions struct {
+		SecretAddress  string
+		GatePrivateKey hcs.PrivateKey
+	}
+)
+
+type (
+	issuingResult struct {
+		AccessKeyID     string `json:"access_key_id"`
+		SecretAccessKey string `json:"secret_access_key"`
+		OwnerPrivateKey string `json:"owner_private_key"`
+	}
+
+	obtainingResult struct {
+		BearerToken     *token.BearerToken `json:"-"`
+		SecretAccessKey string             `json:"secret_access_key"`
+	}
+)
+
+func (a *Agent) checkContainer(ctx context.Context, cid *container.ID, friendlyName string) (*container.ID, error) {
+	if cid != nil {
+		// check that container exists
+		_, err := a.cli.Container().Get(ctx, cid)
+		return cid, err
+	}
+
+	pp, err := buildPlacementPolicy("")
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to build placement policy")
+	}
+
+	cnr := container.New(
+		container.WithPolicy(pp),
+		container.WithCustomBasicACL(defaultAuthContainerBasicACL),
+		container.WithAttribute(container.AttributeName, friendlyName),
+		container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(time.Now().Unix(), 10)))
+
+	return a.cli.Container().Put(ctx, cnr,
+		sdk.ContainerPutAndWait(),
+		sdk.ContainerPutWithTimeout(120*time.Second))
+}
+
+// IssueSecret creates an auth token, puts it in the NeoFS network and writes to io.Writer a new secret access key.
+func (a *Agent) IssueSecret(ctx context.Context, w io.Writer, options *IssueSecretOptions) error {
+	var (
+		err error
+		cid *container.ID
+	)
+
+	a.log.Info("check container", zap.Stringer("cid", options.ContainerID))
+	if cid, err = a.checkContainer(ctx, options.ContainerID, options.ContainerFriendlyName); err != nil {
+		return err
+	}
+
+	a.log.Info("prepare eACL table")
+
+	table, err := buildEACLTable(cid, options.EACLRules)
+	if err != nil {
+		return errors.Wrap(err, "failed to build eacl table")
+	}
+
+	tkn, err := buildBearerToken(options.NEOFSCreds.PrivateKey(), options.NEOFSCreds.Owner(), table)
+	if err != nil {
+		return errors.Wrap(err, "failed to build bearer token")
+	}
+
+	a.log.Info("store bearer token into NeoFS",
+		zap.Stringer("owner_key", options.NEOFSCreds.Owner()),
+		zap.Stringer("owner_tkn", tkn.Issuer()))
+
+	address, err := bearer.
+		New(a.cli.Object(), options.OwnerPrivateKey).
+		Put(ctx, cid, tkn, options.GatesPublicKeys...)
+	if err != nil {
+		return errors.Wrap(err, "failed to put bearer token")
+	}
+
+	secret, err := s3.SecretAccessKey(tkn)
+	if err != nil {
+		return errors.Wrap(err, "failed to get bearer token secret key")
+	}
+
+	ir := &issuingResult{
+		AccessKeyID:     address.String(),
+		SecretAccessKey: secret,
+		OwnerPrivateKey: options.OwnerPrivateKey.String(),
+	}
+
+	enc := json.NewEncoder(w)
+	enc.SetIndent("", "  ")
+	return enc.Encode(ir)
+}
+
+// ObtainSecret receives an existing secret access key from NeoFS and
+// writes to io.Writer the secret access key.
+func (a *Agent) ObtainSecret(ctx context.Context, w io.Writer, options *ObtainSecretOptions) error {
+	bearerCreds := bearer.New(a.cli.Object(), options.GatePrivateKey)
+	address := object.NewAddress()
+	if err := address.Parse(options.SecretAddress); err != nil {
+		return errors.Wrap(err, "failed to parse secret address")
+	}
+
+	tkn, err := bearerCreds.Get(ctx, address)
+	if err != nil {
+		return errors.Wrap(err, "failed to get bearer token")
+	}
+
+	secret, err := s3.SecretAccessKey(tkn)
+	if err != nil {
+		return errors.Wrap(err, "failed to get bearer token secret key")
+	}
+
+	or := &obtainingResult{
+		BearerToken:     tkn,
+		SecretAccessKey: secret,
+	}
+
+	enc := json.NewEncoder(w)
+	enc.SetIndent("", "  ")
+	return enc.Encode(or)
+}
+
+func buildPlacementPolicy(placementRules string) (*netmap.PlacementPolicy, error) {
+	if len(placementRules) != 0 {
+		return policy.Parse(placementRules)
+	}
+
+	/*
+		REP 1 IN X 			  // place one copy of object
+		CBF 1
+		SELECT 2 From * AS X  // in container of two nodes
+	*/
+	pp := new(netmap.PlacementPolicy)
+	pp.SetContainerBackupFactor(1)
+	pp.SetReplicas([]*netmap.Replica{newReplica("X", 1)}...)
+	pp.SetSelectors([]*netmap.Selector{newSimpleSelector("X", 2)}...)
+
+	return pp, nil
+}
+
+// selects <count> nodes in container without any additional attributes.
+func newSimpleSelector(name string, count uint32) (s *netmap.Selector) {
+	s = new(netmap.Selector)
+	s.SetCount(count)
+	s.SetFilter("*")
+	s.SetName(name)
+	return
+}
+
+func newReplica(name string, count uint32) (r *netmap.Replica) {
+	r = new(netmap.Replica)
+	r.SetCount(count)
+	r.SetSelector(name)
+	return
+}
+
+func buildEACLTable(cid *container.ID, eaclTable []byte) (*eacl.Table, error) {
+	table := eacl.NewTable()
+	if len(eaclTable) != 0 {
+		return table, table.UnmarshalJSON(eaclTable)
+	}
+
+	record := eacl.NewRecord()
+	record.SetOperation(eacl.OperationGet)
+	record.SetAction(eacl.ActionAllow)
+	// TODO: Change this later.
+	// from := eacl.HeaderFromObject
+	// matcher := eacl.MatchStringEqual
+	// record.AddFilter(from eacl.FilterHeaderType, matcher eacl.Match, name string, value string)
+	eacl.AddFormedTarget(record, eacl.RoleOthers)
+	table.SetCID(cid)
+	table.AddRecord(record)
+
+	return table, nil
+}
+
+func buildBearerToken(key *ecdsa.PrivateKey, oid *owner.ID, table *eacl.Table) (*token.BearerToken, error) {
+	bearerToken := token.NewBearerToken()
+	bearerToken.SetEACLTable(table)
+	bearerToken.SetOwner(oid)
+	bearerToken.SetLifetime(math.MaxUint64, 0, 0)
+
+	return bearerToken, bearerToken.SignToken(key)
+}

cmd/authmate/main.go

@@ -0,0 +1,392 @@
+package main
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/json"
+	"fmt"
+	"os"
+	"time"
+
+	sdk "github.com/nspcc-dev/cdn-sdk"
+	"github.com/nspcc-dev/cdn-sdk/creds/hcs"
+	"github.com/nspcc-dev/cdn-sdk/creds/neofs"
+	"github.com/nspcc-dev/cdn-sdk/grace"
+	"github.com/nspcc-dev/cdn-sdk/pool"
+	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	"github.com/nspcc-dev/neofs-s3-gw/authmate"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli/v2"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+type gateKey struct {
+	PrivateKey string `json:"private_key"`
+	PublicKey  string `json:"public_key"`
+}
+
+const (
+	poolConnectTimeout = 5 * time.Second
+	poolRequestTimeout = 5 * time.Second
+)
+
+var (
+	// Version of the program.
+	Version = "dev"
+)
+
+var (
+	neoFSKeyPathFlag      string
+	peerAddressFlag       string
+	eaclRulesFlag         string
+	gatePrivateKeyFlag    string
+	secretAddressFlag     string
+	ownerPrivateKeyFlag   string
+	containerIDFlag       string
+	containerFriendlyName string
+	gatesPublicKeysFlag   cli.StringSlice
+	gatesKeysCountFlag    int
+	logEnabledFlag        bool
+	logDebugEnabledFlag   bool
+)
+
+var zapConfig = zap.Config{
+	Development: true,
+	Encoding:    "console",
+	Level:       zap.NewAtomicLevelAt(zapcore.FatalLevel),
+	OutputPaths: []string{"stdout"},
+	EncoderConfig: zapcore.EncoderConfig{
+		MessageKey:   "message",
+		LevelKey:     "level",
+		EncodeLevel:  zapcore.CapitalLevelEncoder,
+		TimeKey:      "time",
+		EncodeTime:   zapcore.ISO8601TimeEncoder,
+		CallerKey:    "caller",
+		EncodeCaller: zapcore.ShortCallerEncoder,
+	},
+}
+
+func prepare() (context.Context, *zap.Logger) {
+	var (
+		err error
+		log = zap.NewNop()
+	)
+
+	if !logEnabledFlag {
+		return grace.Context(log), log
+	} else if logDebugEnabledFlag {
+		zapConfig.Level = zap.NewAtomicLevelAt(zapcore.DebugLevel)
+	}
+
+	if log, err = zapConfig.Build(); err != nil {
+		panic(err)
+	}
+
+	return grace.Context(log), log
+}
+
+func main() {
+	app := &cli.App{
+		Name:     "NeoFS gate authentication manager",
+		Usage:    "Helps manage delegated access via gates to data stored in NeoFS network",
+		Version:  Version,
+		Flags:    appFlags(),
+		Commands: appCommands(),
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		_, _ = fmt.Fprintf(os.Stderr, "error: %s\n", err)
+		os.Exit(100)
+	}
+}
+
+func appFlags() []cli.Flag {
+	return []cli.Flag{
+		&cli.BoolFlag{
+			Name:        "with-log",
+			Usage:       "Enable logger",
+			Destination: &logEnabledFlag,
+		},
+		&cli.BoolFlag{
+			Name:        "debug",
+			Usage:       "Enable debug logger level",
+			Destination: &logDebugEnabledFlag,
+		},
+	}
+}
+
+func appCommands() []*cli.Command {
+	return []*cli.Command{
+		issueSecret(),
+		obtainSecret(),
+		generateKeys(),
+	}
+}
+
+func generateGatesKeys(count int) ([]hcs.Credentials, error) {
+	var (
+		err error
+		res = make([]hcs.Credentials, count)
+	)
+
+	for i := 0; i < count; i++ {
+		if res[i], err = hcs.Generate(rand.Reader); err != nil {
+			return nil, err
+		}
+	}
+
+	return res, nil
+}
+
+func generateKeys() *cli.Command {
+	return &cli.Command{
+		Name:  "generate-keys",
+		Usage: "Generate key pairs for gates",
+		Flags: []cli.Flag{
+			&cli.IntFlag{
+				Name:        "count",
+				Usage:       "number of x25519 key pairs to generate",
+				Value:       1,
+				Destination: &gatesKeysCountFlag,
+			},
+		},
+		Action: func(c *cli.Context) error {
+			_, log := prepare()
+
+			log.Info("start generating x25519 keys")
+
+			csl, err := generateGatesKeys(gatesKeysCountFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to create key pairs of gates: %s", err), 1)
+			}
+
+			log.Info("generated x25519 keys")
+
+			gatesKeys := make([]gateKey, len(csl))
+			for i, cs := range csl {
+				privateKey, publicKey := cs.PrivateKey().String(), cs.PublicKey().String()
+				gatesKeys[i] = gateKey{PrivateKey: privateKey, PublicKey: publicKey}
+			}
+
+			keys, err := json.MarshalIndent(gatesKeys, "", "  ")
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to marshal key pairs of gates: %s", err), 2)
+			}
+
+			fmt.Println(string(keys))
+			return nil
+		},
+	}
+}
+
+func issueSecret() *cli.Command {
+	return &cli.Command{
+		Name:  "issue-secret",
+		Usage: "Issue a secret in NeoFS network",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:        "neofs-key",
+				Value:       "",
+				Usage:       "path to owner's neofs private ecdsa key",
+				Required:    true,
+				Destination: &neoFSKeyPathFlag,
+			},
+			&cli.StringFlag{
+				Name:        "peer",
+				Value:       "",
+				Usage:       "address of a neofs peer to connect to",
+				Required:    true,
+				Destination: &peerAddressFlag,
+			},
+			&cli.StringFlag{
+				Name:        "rules",
+				Usage:       "eacl rules as plain json string",
+				Required:    false,
+				Destination: &eaclRulesFlag,
+			},
+			&cli.StringSliceFlag{
+				Name:        "gate-public-key",
+				Usage:       "public x25519 key of a gate (use flags repeatedly for multiple gates)",
+				Required:    true,
+				Destination: &gatesPublicKeysFlag,
+			},
+			&cli.StringFlag{
+				Name:        "owner-private-key",
+				Usage:       "owner's private x25519 key",
+				Required:    false,
+				Destination: &ownerPrivateKeyFlag,
+			},
+			&cli.StringFlag{
+				Name:        "container-id",
+				Usage:       "auth container id to put the secret into",
+				Required:    false,
+				Destination: &containerIDFlag,
+			},
+			&cli.StringFlag{
+				Name:        "container-friendly-name",
+				Usage:       "friendly name of auth container to put the secret into",
+				Required:    false,
+				Destination: &containerFriendlyName,
+				Value:       "auth-container",
+			},
+		},
+		Action: func(c *cli.Context) error {
+			ctx, log := prepare()
+
+			neofsCreds, err := neofs.New(neoFSKeyPathFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to load neofs private key: %s", err), 1)
+			}
+
+			ctx, cancel := context.WithCancel(ctx)
+			defer cancel()
+
+			client, err := createSDKClient(ctx, log, neofsCreds, peerAddressFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to create sdk client: %s", err), 2)
+			}
+
+			agent := authmate.New(log, client)
+			var cid *container.ID
+			if len(containerIDFlag) > 0 {
+				cid = container.NewID()
+				if err := cid.Parse(containerIDFlag); err != nil {
+					return cli.Exit(fmt.Sprintf("failed to parse auth container id: %s", err), 3)
+				}
+			}
+
+			var owner hcs.Credentials
+			if owner, err = fetchHCSCredentials(ownerPrivateKeyFlag); err != nil {
+				return cli.Exit(fmt.Sprintf("failed to create owner's private key: %s", err), 4)
+			}
+
+			var gatesPublicKeys []hcs.PublicKey
+			for _, key := range gatesPublicKeysFlag.Value() {
+				gpk, err := hcs.LoadPublicKey(key)
+				if err != nil {
+					return cli.Exit(fmt.Sprintf("failed to load gate's public key: %s", err), 5)
+				}
+				gatesPublicKeys = append(gatesPublicKeys, gpk)
+			}
+
+			issueSecretOptions := &authmate.IssueSecretOptions{
+				ContainerID:           cid,
+				ContainerFriendlyName: containerFriendlyName,
+				NEOFSCreds:            neofsCreds,
+				OwnerPrivateKey:       owner.PrivateKey(),
+				GatesPublicKeys:       gatesPublicKeys,
+				EACLRules:             []byte(eaclRulesFlag),
+			}
+
+			if err = agent.IssueSecret(ctx, os.Stdout, issueSecretOptions); err != nil {
+				return cli.Exit(fmt.Sprintf("failed to issue secret: %s", err), 6)
+			}
+
+			return nil
+		},
+	}
+}
+
+func obtainSecret() *cli.Command {
+	command := &cli.Command{
+		Name:  "obtain-secret",
+		Usage: "Obtain a secret from NeoFS network",
+		Flags: []cli.Flag{
+			&cli.StringFlag{
+				Name:        "neofs-key",
+				Value:       "",
+				Usage:       "path to owner's neofs private ecdsa key",
+				Required:    true,
+				Destination: &neoFSKeyPathFlag,
+			},
+			&cli.StringFlag{
+				Name:        "peer",
+				Value:       "",
+				Usage:       "address of neofs peer to connect to",
+				Required:    true,
+				Destination: &peerAddressFlag,
+			},
+			&cli.StringFlag{
+				Name:        "gate-private-key",
+				Usage:       "gate's private x25519 key",
+				Required:    true,
+				Destination: &gatePrivateKeyFlag,
+			},
+			&cli.StringFlag{
+				Name:        "secret-address",
+				Usage:       "address of a secret (i.e. access key id for s3)",
+				Required:    true,
+				Destination: &secretAddressFlag,
+			},
+		},
+		Action: func(c *cli.Context) error {
+			ctx, log := prepare()
+
+			neofsCreds, err := neofs.New(neoFSKeyPathFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to load neofs private key: %s", err), 1)
+			}
+
+			ctx, cancel := context.WithCancel(ctx)
+			defer cancel()
+
+			client, err := createSDKClient(ctx, log, neofsCreds, peerAddressFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to create sdk client: %s", err), 2)
+			}
+
+			agent := authmate.New(log, client)
+
+			var _ = agent
+
+			gateCreds, err := hcs.NewCredentials(gatePrivateKeyFlag)
+			if err != nil {
+				return cli.Exit(fmt.Sprintf("failed to create owner's private key: %s", err), 4)
+			}
+
+			obtainSecretOptions := &authmate.ObtainSecretOptions{
+				SecretAddress:  secretAddressFlag,
+				GatePrivateKey: gateCreds.PrivateKey(),
+			}
+
+			if err = agent.ObtainSecret(ctx, os.Stdout, obtainSecretOptions); err != nil {
+				return cli.Exit(fmt.Sprintf("failed to obtain secret: %s", err), 5)
+			}
+
+			return nil
+		},
+	}
+	return command
+}
+
+func fetchHCSCredentials(val string) (hcs.Credentials, error) {
+	if val == "" {
+		return hcs.Generate(rand.Reader)
+	}
+
+	return hcs.NewCredentials(val)
+}
+
+func createSDKClient(ctx context.Context, log *zap.Logger, neofsCreds neofs.Credentials, peerAddress string) (sdk.Client, error) {
+	log.Debug("prepare connection pool")
+
+	p, err := pool.New(ctx,
+		pool.WithLogger(log),
+		pool.WithAddress(peerAddress),
+		pool.WithCredentials(neofsCreds),
+		pool.WithAPIPreparer(sdk.APIPreparer),
+		pool.WithConnectTimeout(poolConnectTimeout),
+		pool.WithRequestTimeout(poolRequestTimeout))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create connection pool")
+	}
+
+	log.Debug("prepare sdk client")
+
+	return sdk.New(ctx,
+		sdk.WithLogger(log),
+		sdk.WithCredentials(neofsCreds),
+		sdk.WithConnectionPool(p),
+		sdk.WithAPIPreparer(sdk.APIPreparer))
+}

go.mod

@@ -8,11 +8,13 @@ require (
 	github.com/gorilla/mux v1.8.0
 	github.com/nspcc-dev/cdn-sdk v0.3.4
 	github.com/nspcc-dev/neofs-api-go v1.23.0
+	github.com/nspcc-dev/neofs-node v1.22.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.9.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.7.1
 	github.com/stretchr/testify v1.7.0
+	github.com/urfave/cli/v2 v2.3.0
 	go.uber.org/zap v1.16.0
 	google.golang.org/grpc v1.35.0
 )

go.sum

@@ -10,6 +10,7 @@ cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+code.cloudfoundry.org/bytefmt v0.0.0-20200131002437-cf55d5288a48/go.mod h1:wN/zk7mhREp/oviagqUXY3EwuHhWyOvAdsn5Y4CzOrc=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
@@ -29,6 +30,9 @@ github.com/abiosoft/ishell v2.0.0+incompatible/go.mod h1:HQR9AqF2R3P4XXpMpI0NAzg
 github.com/abiosoft/readline v0.0.0-20180607040430-155bce2042db/go.mod h1:rB3B4rKii8V21ydCbIzH5hZiCQE7f5E9SzUb/ZZx530=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
+github.com/alecthomas/participle v0.6.0 h1:Pvo8XUCQKgIywVjz/+Ci3IsjGg+g/TdKkMcfgghKCEw=
+github.com/alecthomas/participle v0.6.0/go.mod h1:HfdmEuwvr12HXQN44HPWXR0lHmVolVYe4dyL6lQ3duY=
+github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -90,8 +94,11 @@ github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -190,6 +197,7 @@ github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
 github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
@@ -214,6 +222,8 @@ github.com/hashicorp/go-version v1.2.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09
 github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
+github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
+github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
@@ -236,6 +246,7 @@ github.com/jrick/logrotate v1.0.0/go.mod h1:LNinyqDIJnpAur+b8yyulnQw/wDuN1+BYKlT
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
@@ -245,6 +256,7 @@ github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kkdai/bstream v0.0.0-20161212061736-f391b8402d23/go.mod h1:J+Gs4SYgM6CZQHDETBtE9HaSEkGmuNXF86RwHhHUvq4=
+github.com/klauspost/compress v1.11.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
@@ -272,6 +284,8 @@ github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzp
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
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 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
+github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1/go.mod h1:pD8RvIylQ358TN4wwqatJ8rNavkEINozVn9DtGI3dfQ=
+github.com/minio/sha256-simd v0.1.1-0.20190913151208-6de447530771/go.mod h1:B5e1o+1/KgNmWrSQK08Y6Z1Vb5pwIktudl0J58iy0KM=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
@@ -285,8 +299,15 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJ
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/mr-tron/base58 v1.1.2 h1:ZEw4I2EgPKDJ2iEw0cNmLB3ROrEmkOtXIkaG7wZg+78=
 github.com/mr-tron/base58 v1.1.2/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
+github.com/mr-tron/base58 v1.1.3 h1:v+sk57XuaCKGXpWtVBX8YJzO7hMGx4Aajh4TQbdEFdc=
+github.com/mr-tron/base58 v1.1.3/go.mod h1:BinMc/sQntlIE1frQmRFPUoPA1Zkr8VRgBdjWI2mNwc=
+github.com/multiformats/go-multiaddr v0.2.0/go.mod h1:0nO36NvPpyV4QzvTLi/lafl2y95ncPj0vFwVF6k6wJ4=
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+github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
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+github.com/multiformats/go-varint v0.0.1/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
+github.com/multiformats/go-varint v0.0.5/go.mod h1:3Ls8CIEsrijN6+B7PbrXRPxHRPuXSrVKRY101jdMZYE=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
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@@ -303,20 +324,26 @@ github.com/nspcc-dev/dbft v0.0.0-20191209120240-0d6b7568d9ae/go.mod h1:3FjXOoHmA
 github.com/nspcc-dev/dbft v0.0.0-20200117124306-478e5cfbf03a/go.mod h1:/YFK+XOxxg0Bfm6P92lY5eDSLYfp06XOdL8KAVgXjVk=
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+github.com/nspcc-dev/dbft v0.0.0-20201221101812-e13a1a1c3cb2/go.mod h1:I5D0W3tu3epdt2RMCTxS//HDr4S+OHRqajouQTOAHI8=
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 github.com/nspcc-dev/hrw v1.0.9/go.mod h1:l/W2vx83vMQo6aStyx2AuZrJ+07lGv2JQGlVkPG06MU=
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-github.com/nspcc-dev/neo-go v0.91.0 h1:KKOPMKs0fm8JIau1SuwxiLdrZ+1kDPBiVRlWwzfebWE=
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+github.com/nspcc-dev/tzhash v1.4.0/go.mod h1:Z8gp/VZbyWgPhaMp/KTmeoW5UTynp/N60g0jTtSzBws=
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@@ -337,6 +364,7 @@ github.com/openzipkin/zipkin-go v0.1.6/go.mod h1:QgAqvLzwWbR/WpD4A3cGpPtJrZXNIiJ
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 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
@@ -359,6 +387,7 @@ github.com/prometheus/client_golang v0.9.3/go.mod h1:/TN21ttK/J9q6uSwhBd54HahCDf
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
 github.com/prometheus/client_golang v1.2.1/go.mod h1:XMU6Z2MjaRKVu/dC1qupJI9SiNkDYzz3xecMgSW/F+U=
 github.com/prometheus/client_golang v1.3.0/go.mod h1:hJaj2vgQTGQmVCsAACORcieXFeDPbaTKGT+JTgUa3og=
+github.com/prometheus/client_golang v1.6.0/go.mod h1:ZLOG9ck3JLRdB5MgO8f+lLTe83AXG6ro35rLTxvnIl4=
 github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
 github.com/prometheus/client_golang v1.9.0 h1:Rrch9mh17XcxvEu9D9DEpb4isxjGBtcevQjKvxPRQIU=
 github.com/prometheus/client_golang v1.9.0/go.mod h1:FqZLKOZnGdFAhOK4nqGHa7D66IdsO+O441Eve7ptJDU=
@@ -374,6 +403,7 @@ github.com/prometheus/common v0.2.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y8
 github.com/prometheus/common v0.4.0/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
 github.com/prometheus/common v0.7.0/go.mod h1:DjGbpBbp5NYNiECxcL/VnbXCCaQpKd3tt26CguLLsqA=
+github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
 github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
 github.com/prometheus/common v0.15.0 h1:4fgOnadei3EZvgRwxJ7RMpG1k1pOZth5Pc13tyspaKM=
 github.com/prometheus/common v0.15.0/go.mod h1:U+gB1OBLb1lF3O42bTCL+FK18tX9Oar16Clt/msog/s=
@@ -383,6 +413,7 @@ github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7z
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/procfs v0.0.5/go.mod h1:4A/X28fw3Fc593LaREMrKMqOKvUAntwMDaekg4FpcdQ=
 github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
+github.com/prometheus/procfs v0.0.11/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
 github.com/prometheus/procfs v0.2.0 h1:wH4vA7pcjKuZzjF7lM8awk4fnuJO6idemZXoKnULUx4=
 github.com/prometheus/procfs v0.2.0/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
@@ -390,11 +421,14 @@ github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40T
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/russross/blackfriday v1.5.2 h1:HyvC0ARfnZBqnXwABFeSZHpKvJHJJfPz81GNueLj0oo=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
+github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
 github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
@@ -414,6 +448,7 @@ github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
 github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
+github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
 github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
@@ -421,6 +456,8 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
+github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
+github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
 github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
@@ -440,9 +477,13 @@ github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69
 github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
+github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
+github.com/urfave/cli v1.22.1 h1:+mkCCcOFKPnCmVYVcURKps1Xe+3zP90gSYGNfRkjoIY=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+github.com/urfave/cli/v2 v2.3.0 h1:qph92Y649prgesehzOrQjdWyxFOp/QVM+6imKHad91M=
+github.com/urfave/cli/v2 v2.3.0/go.mod h1:LJmUH05zAU44vOAcrfzZQKsZbVcdbOG8rtL3/XcUArI=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/yuin/gopher-lua v0.0.0-20190514113301-1cd887cd7036/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
@@ -450,6 +491,7 @@ github.com/yuin/gopher-lua v0.0.0-20191128022950-c6266f4fe8d7/go.mod h1:gqRgreBU
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
+go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
@@ -459,11 +501,13 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
+go.uber.org/atomic v1.5.1/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
+go.uber.org/multierr v1.4.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
@@ -479,8 +523,10 @@ golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200117160349-530e935923ad/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0 h1:hb9wdF1z5waM+dSIICn1l0DkLVDT3hqhhQsDNUmHPRE=
 golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -497,8 +543,9 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f h1:J5lckAjkw6qYlOZNj90mLYNTEKDvWeuc1yieZ8qUzUE=
+golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
@@ -518,10 +565,12 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191105084925-a882066a44e0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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@@ -562,12 +611,15 @@ golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e h1:AyodaIpKjppX+cBfTASF2E1US3H2JFBj920Ot3rtDjs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -601,6 +653,7 @@ golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200123022218-593de606220b h1:ztSlcncMErSAUzXwnVO1iTPxHwtvOHBB26SGiyYXIEE=
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@@ -674,8 +727,10 @@ gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRN
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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