Bump version.

Output "prater" as network name in launchpad format

.github/workflows/release.yml

@@ -63,20 +63,20 @@ jobs:
     - name: Create windows release files
       run: |
        mv ethdo-windows-4.0-amd64.exe ethdo.exe
-       sha256sum ethdo.exe >ethdo-${RELEASE_VERSION}-windows.sha256
        zip --junk-paths ethdo-${RELEASE_VERSION}-windows-exe.zip ethdo.exe
+       sha256sum ethdo-${RELEASE_VERSION}-windows-exe.zip >ethdo-${RELEASE_VERSION}-windows.sha256
 
     - name: Create linux AMD64 tgz file
       run: |
        mv ethdo-linux-amd64 ethdo
-       sha256sum ethdo >ethdo-${RELEASE_VERSION}-linux-amd64.sha256
        tar zcf ethdo-${RELEASE_VERSION}-linux-amd64.tar.gz ethdo
+       sha256sum ethdo-${RELEASE_VERSION}-linux-amd64.tar.gz >ethdo-${RELEASE_VERSION}-linux-amd64.sha256
 
        # - name: Create linux ARM64 tgz file
        #   run: |
        #    mv ethdo-linux-arm64 ethdo
-       #    sha256sum ethdo >ethdo-${RELEASE_VERSION}-linux-arm64.sha256
        #    tar zcf ethdo-${RELEASE_VERSION}-linux-arm64.tar.gz ethdo
+       #    sha256sum ethdo-${RELEASE_VERSION}-linux-arm64.tar.gz >ethdo-${RELEASE_VERSION}-linux-arm64.sha256
 
     - name: Create release
       id: create_release

CHANGELOG.md

@@ -1,3 +1,15 @@
+1.15.0:
+  - add --period to "synccommittee members", can be "current", "next"
+  - add "validator expectation"
+
+1.14.0:
+  - add "chain verify signedcontributionandproof"
+  - show both block and body root in "block info"
+  - add exit / withdrawable epoch to "validator info"
+
+1.13.0:
+  - rework and provide additional information to "chain status" output
+
 1.12.0:
   - add "synccommittee members"
 

cmd/block/info/output.go

@@ -51,6 +51,7 @@ func output(ctx context.Context, data *dataOut) (string, error) {
 func outputBlockGeneral(ctx context.Context,
 	verbose bool,
 	slot phase0.Slot,
+	blockRoot phase0.Root,
 	bodyRoot phase0.Root,
 	parentRoot phase0.Root,
 	stateRoot phase0.Root,
@@ -67,8 +68,9 @@ func outputBlockGeneral(ctx context.Context,
 	res.WriteString(fmt.Sprintf("Slot: %d\n", slot))
 	res.WriteString(fmt.Sprintf("Epoch: %d\n", phase0.Epoch(uint64(slot)/slotsPerEpoch)))
 	res.WriteString(fmt.Sprintf("Timestamp: %v\n", time.Unix(genesisTime.Unix()+int64(slot)*int64(slotDuration.Seconds()), 0)))
-	res.WriteString(fmt.Sprintf("Block root: %#x\n", bodyRoot))
+	res.WriteString(fmt.Sprintf("Block root: %#x\n", blockRoot))
 	if verbose {
+		res.WriteString(fmt.Sprintf("Body root: %#x\n", bodyRoot))
 		res.WriteString(fmt.Sprintf("Parent root: %#x\n", parentRoot))
 		res.WriteString(fmt.Sprintf("State root: %#x\n", stateRoot))
 	}
@@ -271,13 +273,19 @@ func outputAltairBlockText(ctx context.Context, data *dataOut, signedBlock *alta
 	res := strings.Builder{}
 
 	// General info.
+	blockRoot, err := signedBlock.Message.HashTreeRoot()
+	if err != nil {
+		return "", errors.Wrap(err, "failed to obtain block root")
+	}
 	bodyRoot, err := signedBlock.Message.Body.HashTreeRoot()
 	if err != nil {
-		return "", errors.Wrap(err, "failed to generate block root")
+		return "", errors.Wrap(err, "failed to generate body root")
 	}
+
 	tmp, err := outputBlockGeneral(ctx,
 		data.verbose,
 		signedBlock.Message.Slot,
+		blockRoot,
 		bodyRoot,
 		signedBlock.Message.ParentRoot,
 		signedBlock.Message.StateRoot,
@@ -349,6 +357,10 @@ func outputPhase0BlockText(ctx context.Context, data *dataOut, signedBlock *phas
 	res := strings.Builder{}
 
 	// General info.
+	blockRoot, err := signedBlock.Message.HashTreeRoot()
+	if err != nil {
+		return "", errors.Wrap(err, "failed to obtain block root")
+	}
 	bodyRoot, err := signedBlock.Message.Body.HashTreeRoot()
 	if err != nil {
 		return "", errors.Wrap(err, "failed to generate block root")
@@ -356,6 +368,7 @@ func outputPhase0BlockText(ctx context.Context, data *dataOut, signedBlock *phas
 	tmp, err := outputBlockGeneral(ctx,
 		data.verbose,
 		signedBlock.Message.Slot,
+		blockRoot,
 		bodyRoot,
 		signedBlock.Message.ParentRoot,
 		signedBlock.Message.StateRoot,

cmd/chain/verify/signedcontributionandproof/command.go

@@ -0,0 +1,86 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+	"time"
+
+	eth2client "github.com/attestantio/go-eth2-client"
+	api "github.com/attestantio/go-eth2-client/api/v1"
+	"github.com/attestantio/go-eth2-client/spec/altair"
+	"github.com/pkg/errors"
+	"github.com/spf13/viper"
+)
+
+type command struct {
+	quiet   bool
+	verbose bool
+	debug   bool
+
+	// Beacon node connection.
+	timeout                  time.Duration
+	connection               string
+	allowInsecureConnections bool
+
+	// Input.
+	data string
+	item *altair.SignedContributionAndProof
+
+	// Data access.
+	eth2Client         eth2client.Service
+	validatorsProvider eth2client.ValidatorsProvider
+
+	// Data.
+	spec          map[string]interface{}
+	validator     *api.Validator
+	syncCommittee *api.SyncCommittee
+
+	// Output.
+	itemStructureValid                       bool
+	validatorKnown                           bool
+	validatorInSyncCommittee                 bool
+	validatorIsAggregator                    bool
+	contributionSignatureValidFormat         bool
+	contributionAndProofSignatureValidFormat bool
+	contributionAndProofSignatureValid       bool
+	additionalInfo                           string
+}
+
+func newCommand(ctx context.Context) (*command, error) {
+	c := &command{
+		quiet:   viper.GetBool("quiet"),
+		verbose: viper.GetBool("verbose"),
+		debug:   viper.GetBool("debug"),
+	}
+
+	// Timeout.
+	if viper.GetDuration("timeout") == 0 {
+		return nil, errors.New("timeout is required")
+	}
+	c.timeout = viper.GetDuration("timeout")
+
+	if viper.GetString("data") == "" {
+		return nil, errors.New("data is required")
+	}
+	c.data = viper.GetString("data")
+
+	if viper.GetString("connection") == "" {
+		return nil, errors.New("connection is required")
+	}
+	c.connection = viper.GetString("connection")
+	c.allowInsecureConnections = viper.GetBool("allow-insecure-connections")
+
+	return c, nil
+}

cmd/chain/verify/signedcontributionandproof/command_internal_test.go

@@ -0,0 +1,80 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+func TestInput(t *testing.T) {
+	if os.Getenv("ETHDO_TEST_CONNECTION") == "" {
+		t.Skip("ETHDO_TEST_CONNECTION not configured; cannot run tests")
+	}
+
+	tests := []struct {
+		name string
+		vars map[string]interface{}
+		err  string
+	}{
+		{
+			name: "TimeoutMissing",
+			vars: map[string]interface{}{},
+			err:  "timeout is required",
+		},
+		{
+			name: "DataMissing",
+			vars: map[string]interface{}{
+				"timeout": "5s",
+			},
+			err: "data is required",
+		},
+		{
+			name: "ConnectionMissing",
+			vars: map[string]interface{}{
+				"timeout": "5s",
+				"data":    "{}",
+			},
+			err: "connection is required",
+		},
+		{
+			name: "Good",
+			vars: map[string]interface{}{
+				"timeout":    "5s",
+				"data":       "{}",
+				"connection": os.Getenv("ETHDO_TEST_CONNECTION"),
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			viper.Reset()
+
+			for k, v := range test.vars {
+				viper.Set(k, v)
+			}
+			_, err := newCommand(context.Background())
+			if test.err != "" {
+				require.EqualError(t, err, test.err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}

cmd/chain/verify/signedcontributionandproof/output.go

@@ -0,0 +1,127 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+	"strings"
+)
+
+func (c *command) output(ctx context.Context) (string, error) {
+	if c.quiet {
+		return "", nil
+	}
+
+	builder := strings.Builder{}
+
+	builder.WriteString("Valid data structure: ")
+	if c.itemStructureValid {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Validator known: ")
+	if c.validatorKnown {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Validator in sync committee: ")
+	if c.validatorInSyncCommittee {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Validator is aggregator: ")
+	if c.validatorIsAggregator {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Contribution signature has valid format: ")
+	if c.contributionSignatureValidFormat {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Contribution and proof signature has valid format: ")
+	if c.contributionAndProofSignatureValidFormat {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	builder.WriteString("Contribution and proof signature is valid: ")
+	if c.contributionAndProofSignatureValid {
+		builder.WriteString("✓\n")
+	} else {
+		builder.WriteString("✕")
+		if c.additionalInfo != "" {
+			builder.WriteString(" (")
+			builder.WriteString(c.additionalInfo)
+			builder.WriteString(")")
+		}
+		builder.WriteString("\n")
+		return builder.String(), nil
+	}
+
+	return builder.String(), nil
+}

cmd/chain/verify/signedcontributionandproof/process.go

@@ -0,0 +1,303 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	eth2client "github.com/attestantio/go-eth2-client"
+	"github.com/attestantio/go-eth2-client/spec/altair"
+	"github.com/attestantio/go-eth2-client/spec/phase0"
+	"github.com/pkg/errors"
+	"github.com/wealdtech/ethdo/util"
+	e2types "github.com/wealdtech/go-eth2-types/v2"
+)
+
+func (c *command) process(ctx context.Context) error {
+	// Parse the data.
+	if c.data == "" {
+		return errors.New("no data supplied")
+	}
+	c.item = &altair.SignedContributionAndProof{}
+	err := json.Unmarshal([]byte(c.data), c.item)
+	if err != nil {
+		c.additionalInfo = err.Error()
+		return nil
+	}
+	c.itemStructureValid = true
+
+	// Obtain information we need to process.
+	if err := c.setup(ctx); err != nil {
+		return err
+	}
+
+	for _, validatorIndex := range c.syncCommittee.Validators {
+		if validatorIndex == c.item.Message.AggregatorIndex {
+			c.validatorInSyncCommittee = true
+			break
+		}
+	}
+	if !c.validatorInSyncCommittee {
+		return nil
+	}
+
+	// Ensure the validator is an aggregator.
+	isAggregator, err := c.isAggregator(ctx)
+	if err != nil {
+		return errors.Wrap(err, "failed to ascertain if sync committee member is aggregator")
+	}
+	if !isAggregator {
+		return nil
+	}
+	c.validatorIsAggregator = true
+
+	// Confirm the contribution signature.
+	if err := c.confirmContributionSignature(ctx); err != nil {
+		return errors.Wrap(err, "failed to confirm the contribution signature")
+	}
+
+	// Confirm the contribution and proof signature.
+	if err := c.confirmContributionAndProofSignature(ctx); err != nil {
+		return errors.Wrap(err, "failed to confirm the contribution and proof signature")
+	}
+
+	return nil
+}
+
+func (c *command) setup(ctx context.Context) error {
+	var err error
+
+	// Connect to the client.
+	c.eth2Client, err = util.ConnectToBeaconNode(ctx, c.connection, c.timeout, c.allowInsecureConnections)
+	if err != nil {
+		return errors.Wrap(err, "failed to connect to beacon node")
+	}
+
+	// Obtain the validator.
+	var isProvider bool
+	c.validatorsProvider, isProvider = c.eth2Client.(eth2client.ValidatorsProvider)
+	if !isProvider {
+		return errors.New("connection does not provide validator information")
+	}
+
+	stateID := fmt.Sprintf("%d", c.item.Message.Contribution.Slot)
+	validators, err := c.validatorsProvider.Validators(ctx,
+		stateID,
+		[]phase0.ValidatorIndex{c.item.Message.AggregatorIndex},
+	)
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain validator information")
+	}
+
+	if len(validators) == 0 || validators[c.item.Message.AggregatorIndex] == nil {
+		return nil
+	}
+	c.validatorKnown = true
+	c.validator = validators[c.item.Message.AggregatorIndex]
+
+	// Obtain the sync committee
+	syncCommitteesProvider, isProvider := c.eth2Client.(eth2client.SyncCommitteesProvider)
+	if !isProvider {
+		return errors.New("connection does not provide sync committee information")
+	}
+	c.syncCommittee, err = syncCommitteesProvider.SyncCommittee(ctx, stateID)
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain sync committee information")
+	}
+
+	return nil
+}
+
+// isAggregator returns true if the given
+func (c *command) isAggregator(ctx context.Context) (bool, error) {
+	// Calculate the modulo.
+	specProvider, isProvider := c.eth2Client.(eth2client.SpecProvider)
+	if !isProvider {
+		return false, errors.New("connection does not provide spec information")
+	}
+	var err error
+	c.spec, err = specProvider.Spec(ctx)
+	if err != nil {
+		return false, errors.Wrap(err, "failed to obtain spec information")
+	}
+
+	tmp, exists := c.spec["SYNC_COMMITTEE_SIZE"]
+	if !exists {
+		return false, errors.New("spec does not contain SYNC_COMMITTEE_SIZE")
+	}
+	if _, isUint64 := tmp.(uint64); !isUint64 {
+		return false, errors.New("spec returned non-integer value for SYNC_COMMITTEE_SIZE")
+	}
+	syncCommitteeSize := tmp.(uint64)
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "sync committee size is %d\n", syncCommitteeSize)
+	}
+
+	tmp, exists = c.spec["SYNC_COMMITTEE_SUBNET_COUNT"]
+	if !exists {
+		return false, errors.New("spec does not contain SYNC_COMMITTEE_SUBNET_COUNT")
+	}
+	if _, isUint64 := tmp.(uint64); !isUint64 {
+		return false, errors.New("spec returned non-integer value for SYNC_COMMITTEE_SUBNET_COUNT")
+	}
+	syncCommitteeSubnetCount := tmp.(uint64)
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "sync committee subnet count is %d\n", syncCommitteeSubnetCount)
+	}
+
+	tmp, exists = c.spec["TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE"]
+	if !exists {
+		return false, errors.New("spec does not contain TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE")
+	}
+	if _, isUint64 := tmp.(uint64); !isUint64 {
+		return false, errors.New("spec returned non-integer value for TARGET_AGGREGATORS_PER_SYNC_SUBCOMMITTEE")
+	}
+	targetAggregatorsPerSyncSubcommittee := tmp.(uint64)
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "target aggregators per sync subcommittee is %d\n", targetAggregatorsPerSyncSubcommittee)
+	}
+
+	modulo := syncCommitteeSize / syncCommitteeSubnetCount / targetAggregatorsPerSyncSubcommittee
+	if modulo < 1 {
+		modulo = 1
+	}
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "modulo is %d\n", modulo)
+	}
+
+	// Hash the selection proof.
+	sigHash := sha256.New()
+	n, err := sigHash.Write(c.item.Message.SelectionProof[:])
+	if err != nil {
+		return false, errors.Wrap(err, "failed to hash the selection proof")
+	}
+	if n != len(c.item.Signature[:]) {
+		return false, errors.New("failed to write all bytes of the selection proof to the hash")
+	}
+	hash := sigHash.Sum(nil)
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "hash of selection proof is %#x\n", hash)
+	}
+
+	return binary.LittleEndian.Uint64(hash[:8])%modulo == 0, nil
+}
+
+func (c *command) confirmContributionSignature(ctx context.Context) error {
+	sigBytes := make([]byte, 96)
+	copy(sigBytes, c.item.Message.Contribution.Signature[:])
+	_, err := e2types.BLSSignatureFromBytes(sigBytes)
+	if err != nil {
+		c.additionalInfo = err.Error()
+		return nil
+	}
+	c.contributionSignatureValidFormat = true
+
+	subCommittee := c.syncCommittee.ValidatorAggregates[c.item.Message.Contribution.SubcommitteeIndex]
+	includedIndices := make([]phase0.ValidatorIndex, 0, len(subCommittee))
+	for i := uint64(0); i < c.item.Message.Contribution.AggregationBits.Len(); i++ {
+		if c.item.Message.Contribution.AggregationBits.BitAt(i) {
+			includedIndices = append(includedIndices, subCommittee[int(i)])
+		}
+	}
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "Contribution validator indices: %v (%d)\n", includedIndices, len(includedIndices))
+	}
+
+	includedValidators, err := c.validatorsProvider.Validators(ctx, "head", includedIndices)
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain subcommittee validators")
+	}
+	if len(includedValidators) == 0 {
+		return errors.New("obtained empty subcommittee validator list")
+	}
+
+	var aggregatePubKey *e2types.BLSPublicKey
+	for _, v := range includedValidators {
+		pubKeyBytes := make([]byte, 48)
+		copy(pubKeyBytes, v.Validator.PublicKey[:])
+		pubKey, err := e2types.BLSPublicKeyFromBytes(pubKeyBytes)
+		if err != nil {
+			return errors.Wrap(err, "failed to aggregate public key")
+		}
+		if aggregatePubKey == nil {
+			aggregatePubKey = pubKey
+		} else {
+			aggregatePubKey.Aggregate(pubKey)
+		}
+	}
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "Aggregate public key is %#x\n", aggregatePubKey.Marshal())
+	}
+
+	// Don't have the ability to carry out the batch verification at current.
+
+	return nil
+}
+
+func (c *command) confirmContributionAndProofSignature(ctx context.Context) error {
+	sigBytes := make([]byte, 96)
+	copy(sigBytes, c.item.Signature[:])
+	sig, err := e2types.BLSSignatureFromBytes(sigBytes)
+	if err != nil {
+		c.additionalInfo = err.Error()
+		return nil
+	}
+	c.contributionAndProofSignatureValidFormat = true
+
+	pubKeyBytes := make([]byte, 48)
+	copy(pubKeyBytes, c.validator.Validator.PublicKey[:])
+	pubKey, err := e2types.BLSPublicKeyFromBytes(pubKeyBytes)
+	if err != nil {
+		return errors.Wrap(err, "failed to configure public key")
+	}
+
+	objectRoot, err := c.item.Message.HashTreeRoot()
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain signging root")
+	}
+
+	tmp, exists := c.spec["DOMAIN_CONTRIBUTION_AND_PROOF"]
+	if !exists {
+		return errors.New("spec does not contain DOMAIN_CONTRIBUTION_AND_PROOF")
+	}
+	if _, isUint64 := tmp.(phase0.DomainType); !isUint64 {
+		return errors.New("spec returned non-domain type value for DOMAIN_CONTRIBUTION_AND_PROOF")
+	}
+	contributionAndProofDomainType := tmp.(phase0.DomainType)
+	if c.debug {
+		fmt.Fprintf(os.Stderr, "contribution and proof domain type is %#x\n", contributionAndProofDomainType)
+	}
+	domain, err := c.eth2Client.(eth2client.DomainProvider).Domain(ctx, contributionAndProofDomainType, phase0.Epoch(c.item.Message.Contribution.Slot/32))
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain domain")
+	}
+
+	container := &phase0.SigningData{
+		ObjectRoot: objectRoot,
+		Domain:     domain,
+	}
+	signingRoot, err := container.HashTreeRoot()
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain signging root")
+	}
+
+	c.contributionAndProofSignatureValid = sig.Verify(signingRoot[:], pubKey)
+
+	return nil
+}

cmd/chain/verify/signedcontributionandproof/process_internal_test.go

@@ -0,0 +1,62 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+func TestProcess(t *testing.T) {
+	if os.Getenv("ETHDO_TEST_CONNECTION") == "" {
+		t.Skip("ETHDO_TEST_CONNECTION not configured; cannot run tests")
+	}
+
+	tests := []struct {
+		name string
+		vars map[string]interface{}
+		err  string
+	}{
+		{
+			name: "InvalidData",
+			vars: map[string]interface{}{
+				"timeout":    "5s",
+				"data":       "[[",
+				"connection": os.Getenv("ETHDO_TEST_CONNECTION"),
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			viper.Reset()
+
+			for k, v := range test.vars {
+				viper.Set(k, v)
+			}
+			cmd, err := newCommand(context.Background())
+			require.NoError(t, err)
+			err = cmd.process(context.Background())
+			if test.err != "" {
+				require.EqualError(t, err, test.err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}

cmd/chain/verify/signedcontributionandproof/run.go

@@ -0,0 +1,50 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package chainverifysignedcontributionandproof
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// Run runs the command.
+func Run(cmd *cobra.Command) (string, error) {
+	ctx := context.Background()
+
+	c, err := newCommand(ctx)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to set up command")
+	}
+
+	// Further errors do not need a usage report.
+	cmd.SilenceUsage = true
+
+	if err := c.process(ctx); err != nil {
+		return "", errors.Wrap(err, "failed to process")
+	}
+
+	if viper.GetBool("quiet") {
+		return "", nil
+	}
+
+	results, err := c.output(ctx)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to obtain output")
+	}
+
+	return results, nil
+}

cmd/chaininfo.go

@@ -85,18 +85,3 @@ func init() {
 	chainCmd.AddCommand(chainInfoCmd)
 	chainFlags(chainInfoCmd)
 }
-
-func timestampToSlot(genesis time.Time, timestamp time.Time, secondsPerSlot time.Duration) spec.Slot {
-	if timestamp.Unix() < genesis.Unix() {
-		return 0
-	}
-	return spec.Slot(uint64(timestamp.Unix()-genesis.Unix()) / uint64(secondsPerSlot.Seconds()))
-}
-
-func slotToTimestamp(genesis time.Time, slot spec.Slot, slotDuration time.Duration) int64 {
-	return genesis.Unix() + int64(slot)*int64(slotDuration.Seconds())
-}
-
-func epochToTimestamp(genesis time.Time, slot spec.Slot, slotDuration time.Duration, slotsPerEpoch uint64) int64 {
-	return genesis.Unix() + int64(slot)*int64(slotDuration.Seconds())*int64(slotsPerEpoch)
-}

cmd/chainstatus.go

@@ -1,4 +1,4 @@
-// Copyright © 2020 Weald Technology Trading
+// Copyright © 2020, 2021 Weald Technology Trading.
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -17,12 +17,13 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"strings"
 	"time"
 
 	eth2client "github.com/attestantio/go-eth2-client"
-	spec "github.com/attestantio/go-eth2-client/spec/phase0"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	standardchaintime "github.com/wealdtech/ethdo/services/chaintime/standard"
 	"github.com/wealdtech/ethdo/util"
 )
 
@@ -40,53 +41,108 @@ In quiet mode this will return 0 if the chain status can be obtained, otherwise
 		eth2Client, err := util.ConnectToBeaconNode(ctx, viper.GetString("connection"), viper.GetDuration("timeout"), viper.GetBool("allow-insecure-connections"))
 		errCheck(err, "Failed to connect to Ethereum 2 beacon node")
 
-		specProvider, isProvider := eth2Client.(eth2client.SpecProvider)
-		assert(isProvider, "beacon node does not provide spec; cannot report on chain status")
-		config, err := specProvider.Spec(ctx)
-		errCheck(err, "Failed to obtain beacon chain specification")
+		chainTime, err := standardchaintime.New(ctx,
+			standardchaintime.WithGenesisTimeProvider(eth2Client.(eth2client.GenesisTimeProvider)),
+			standardchaintime.WithForkScheduleProvider(eth2Client.(eth2client.ForkScheduleProvider)),
+			standardchaintime.WithSpecProvider(eth2Client.(eth2client.SpecProvider)),
+		)
+		errCheck(err, "Failed to configure chaintime service")
 
 		finalityProvider, isProvider := eth2Client.(eth2client.FinalityProvider)
 		assert(isProvider, "beacon node does not provide finality; cannot report on chain status")
 		finality, err := finalityProvider.Finality(ctx, "head")
 		errCheck(err, "Failed to obtain finality information")
 
-		genesisProvider, isProvider := eth2Client.(eth2client.GenesisProvider)
-		assert(isProvider, "beacon node does not provide genesis; cannot report on chain status")
-		genesis, err := genesisProvider.Genesis(ctx)
-		errCheck(err, "Failed to obtain genesis information")
+		slot := chainTime.CurrentSlot()
 
-		slotDuration := config["SECONDS_PER_SLOT"].(time.Duration)
-		curSlot := timestampToSlot(genesis.GenesisTime, time.Now(), slotDuration)
-		slotsPerEpoch := config["SLOTS_PER_EPOCH"].(uint64)
-		curEpoch := spec.Epoch(uint64(curSlot) / slotsPerEpoch)
-		fmt.Printf("Current epoch: %d\n", curEpoch)
-		outputIf(verbose, fmt.Sprintf("Current slot: %d", curSlot))
-		fmt.Printf("Justified epoch: %d\n", finality.Justified.Epoch)
-		if verbose {
-			distance := curEpoch - finality.Justified.Epoch
-			fmt.Printf("Justified epoch distance: %d\n", distance)
-		}
-		fmt.Printf("Finalized epoch: %d\n", finality.Finalized.Epoch)
-		if verbose {
-			distance := curEpoch - finality.Finalized.Epoch
-			fmt.Printf("Finalized epoch distance: %d\n", distance)
-		}
-		if verbose {
-			fmt.Printf("Prior justified epoch: %d\n", finality.PreviousJustified.Epoch)
-			distance := curEpoch - finality.PreviousJustified.Epoch
-			fmt.Printf("Prior justified epoch distance: %d\n", distance)
-		}
+		nextSlot := slot + 1
+		nextSlotTimestamp := chainTime.StartOfSlot(nextSlot)
+
+		epoch := chainTime.CurrentEpoch()
+		epochStartSlot := chainTime.FirstSlotOfEpoch(epoch)
+		epochEndSlot := chainTime.FirstSlotOfEpoch(epoch+1) - 1
+
+		nextEpoch := epoch + 1
+		nextEpochStartSlot := chainTime.FirstSlotOfEpoch(nextEpoch)
+		nextEpochTimestamp := chainTime.StartOfEpoch(nextEpoch)
+
+		res := strings.Builder{}
+
+		res.WriteString("Current slot: ")
+		res.WriteString(fmt.Sprintf("%d", slot))
+		res.WriteString("\n")
+
+		res.WriteString("Current epoch: ")
+		res.WriteString(fmt.Sprintf("%d", epoch))
+		res.WriteString("\n")
 
 		if verbose {
-			epochStartSlot := (uint64(curSlot) / slotsPerEpoch) * slotsPerEpoch
-			fmt.Printf("Epoch slots: %d-%d\n", epochStartSlot, epochStartSlot+slotsPerEpoch-1)
-			nextSlotTimestamp := slotToTimestamp(genesis.GenesisTime, curSlot+1, slotDuration)
-			fmt.Printf("Time until next slot: %2.1fs\n", float64(time.Until(time.Unix(nextSlotTimestamp, 0)).Milliseconds())/1000)
-			nextEpoch := epochToTimestamp(genesis.GenesisTime, spec.Slot(uint64(curSlot)/slotsPerEpoch+1), slotDuration, slotsPerEpoch)
-			fmt.Printf("Slots until next epoch: %d\n", (uint64(curSlot)/slotsPerEpoch+1)*slotsPerEpoch-uint64(curSlot))
-			fmt.Printf("Time until next epoch: %2.1fs\n", float64(time.Until(time.Unix(nextEpoch, 0)).Milliseconds())/1000)
+			res.WriteString("Epoch slots: ")
+			res.WriteString(fmt.Sprintf("%d", epochStartSlot))
+			res.WriteString("-")
+			res.WriteString(fmt.Sprintf("%d", epochEndSlot))
+			res.WriteString("\n")
 		}
 
+		res.WriteString("Time until next slot: ")
+		res.WriteString(time.Until(nextSlotTimestamp).Round(time.Second).String())
+		res.WriteString("\n")
+
+		res.WriteString("Time until next epoch: ")
+		res.WriteString(time.Until(nextEpochTimestamp).Round(time.Second).String())
+		res.WriteString("\n")
+
+		res.WriteString("Slots until next epoch: ")
+		res.WriteString(fmt.Sprintf("%d", nextEpochStartSlot-slot))
+		res.WriteString("\n")
+
+		res.WriteString("Justified epoch: ")
+		res.WriteString(fmt.Sprintf("%d", finality.Justified.Epoch))
+		res.WriteString("\n")
+		if verbose {
+			distance := epoch - finality.Justified.Epoch
+			res.WriteString("Justified epoch distance: ")
+			res.WriteString(fmt.Sprintf("%d", distance))
+			res.WriteString("\n")
+		}
+
+		res.WriteString("Finalized epoch: ")
+		res.WriteString(fmt.Sprintf("%d", finality.Finalized.Epoch))
+		res.WriteString("\n")
+		if verbose {
+			distance := epoch - finality.Finalized.Epoch
+			res.WriteString("Finalized epoch distance: ")
+			res.WriteString(fmt.Sprintf("%d", distance))
+			res.WriteString("\n")
+		}
+
+		if epoch >= chainTime.AltairInitialEpoch() {
+			period := chainTime.SlotToSyncCommitteePeriod(slot)
+			periodStartEpoch := chainTime.FirstEpochOfSyncPeriod(period)
+			nextPeriod := period + 1
+			nextPeriodStartEpoch := chainTime.FirstEpochOfSyncPeriod(nextPeriod)
+			periodEndEpoch := nextPeriodStartEpoch - 1
+			nextPeriodTimestamp := chainTime.StartOfEpoch(nextPeriodStartEpoch)
+
+			res.WriteString("Sync committee period: ")
+			res.WriteString(fmt.Sprintf("%d", period))
+			res.WriteString("\n")
+
+			if verbose {
+				res.WriteString("Sync committee epochs: ")
+				res.WriteString(fmt.Sprintf("%d", periodStartEpoch))
+				res.WriteString("-")
+				res.WriteString(fmt.Sprintf("%d", periodEndEpoch))
+				res.WriteString("\n")
+
+				res.WriteString("Time until next sync committee period: ")
+				res.WriteString(time.Until(nextPeriodTimestamp).Round(time.Second).String())
+				res.WriteString("\n")
+			}
+		}
+
+		fmt.Print(res.String())
+
 		os.Exit(_exitSuccess)
 	},
 }

cmd/chainverify.go

@@ -0,0 +1,45 @@
+// Copyright © 2021 Weald Technology Trading
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// chainVerifyCmd represents the chain verify command
+var chainVerifyCmd = &cobra.Command{
+	Use:   "verify",
+	Short: "Verify a beacon chain signature",
+	Long:  "Verify the signature for a given beacon chain structure is correct",
+}
+
+func init() {
+	chainCmd.AddCommand(chainVerifyCmd)
+}
+
+func chainVerifyFlags(cmd *cobra.Command) {
+	chainFlags(cmd)
+	cmd.Flags().String("validator", "", "The account, public key or index of the validator")
+	cmd.Flags().String("data", "", "The data to verify, as a JSON structure")
+}
+
+func chainVerifyBindings(cmd *cobra.Command) {
+	if err := viper.BindPFlag("validator", cmd.Flags().Lookup("validator")); err != nil {
+		panic(err)
+	}
+	if err := viper.BindPFlag("data", cmd.Flags().Lookup("data")); err != nil {
+		panic(err)
+	}
+}

cmd/chainverifysignedcontributionandproof.go

@@ -0,0 +1,50 @@
+// Copyright © 2021 Weald Technology Trading
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	chainverifysignedcontributionandproof "github.com/wealdtech/ethdo/cmd/chain/verify/signedcontributionandproof"
+)
+
+var chainVerifySignedContributionAndProofCmd = &cobra.Command{
+	Use:   "signedcontributionandproof",
+	Short: "Verify a signed contribution and proof",
+	Long: `Verify a signed contribution and proof.  For example:
+
+    ethdo chain verify signedcontributionandproof --data=... --validator=...
+
+validator can be an account, a public key or an index.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		res, err := chainverifysignedcontributionandproof.Run(cmd)
+		if err != nil {
+			return err
+		}
+		if res != "" {
+			fmt.Print(res)
+		}
+		return nil
+	},
+}
+
+func init() {
+	chainVerifyCmd.AddCommand(chainVerifySignedContributionAndProofCmd)
+	chainVerifyFlags(chainVerifySignedContributionAndProofCmd)
+}
+
+func chainVerifySignedContributionAndProofBindings(cmd *cobra.Command) {
+	chainVerifyBindings(cmd)
+}

cmd/root.go

@@ -1,4 +1,4 @@
-// Copyright © 2019 Weald Technology Trading
+// Copyright © 2019 - 2021 Weald Technology Trading.
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -65,7 +65,7 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error {
 	verbose = viper.GetBool("verbose")
 	debug = viper.GetBool("debug")
 	// Command-specific bindings.
-	switch fmt.Sprintf("%s/%s", cmd.Parent().Name(), cmd.Name()) {
+	switch commandPath(cmd) {
 	case "account/create":
 		accountCreateBindings()
 	case "account/derive":
@@ -80,6 +80,8 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error {
 		blockInfoBindings()
 	case "chain/time":
 		chainTimeBindings()
+	case "chain/verify/signedcontributionandproof":
+		chainVerifySignedContributionAndProofBindings(cmd)
 	case "exit/verify":
 		exitVerifyBindings()
 	case "node/events":
@@ -98,6 +100,8 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error {
 		validatorInfoBindings()
 	case "validator/keycheck":
 		validatorKeycheckBindings()
+	case "validator/expectation":
+		validatorExpectationBindings()
 	case "wallet/create":
 		walletCreateBindings()
 	case "wallet/import":
@@ -389,3 +393,14 @@ func remotesToEndpoints(remotes []string) ([]*dirk.Endpoint, error) {
 func relockAccount(locker e2wtypes.AccountLocker) {
 	errCheck(locker.Lock(context.Background()), "failed to re-lock account")
 }
+
+func commandPath(cmd *cobra.Command) string {
+	path := ""
+	for {
+		path = fmt.Sprintf("%s/%s", cmd.Name(), path)
+		if cmd.Parent().Name() == "ethdo" {
+			return strings.TrimRight(path, "/")
+		}
+		cmd = cmd.Parent()
+	}
+}

cmd/synccommittee/members/input.go

@@ -18,7 +18,6 @@ import (
 	"time"
 
 	eth2client "github.com/attestantio/go-eth2-client"
-	spec "github.com/attestantio/go-eth2-client/spec/phase0"
 	"github.com/pkg/errors"
 	"github.com/spf13/viper"
 	"github.com/wealdtech/ethdo/services/chaintime"
@@ -35,7 +34,8 @@ type dataIn struct {
 	// Operation.
 	eth2Client eth2client.Service
 	chainTime  chaintime.Service
-	epoch      spec.Epoch
+	epoch      int64
+	period     string
 }
 
 func input(ctx context.Context) (*dataIn, error) {
@@ -67,12 +67,8 @@ func input(ctx context.Context) (*dataIn, error) {
 	}
 
 	// Epoch
-	epoch := viper.GetInt64("epoch")
-	if epoch == -1 {
-		data.epoch = data.chainTime.CurrentEpoch()
-	} else {
-		data.epoch = spec.Epoch(epoch)
-	}
+	data.epoch = viper.GetInt64("epoch")
+	data.period = viper.GetString("period")
 
 	return data, nil
 }

cmd/synccommittee/members/process.go

@@ -16,8 +16,10 @@ package members
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	eth2client "github.com/attestantio/go-eth2-client"
+	"github.com/attestantio/go-eth2-client/spec/phase0"
 	"github.com/pkg/errors"
 )
 
@@ -26,11 +28,12 @@ func process(ctx context.Context, data *dataIn) (*dataOut, error) {
 		return nil, errors.New("no data")
 	}
 
-	if data.epoch < data.chainTime.AltairInitialEpoch() {
-		return nil, errors.New("not an Altair epoch")
+	epoch, err := calculateEpoch(ctx, data)
+	if err != nil {
+		return nil, err
 	}
 
-	syncCommittee, err := data.eth2Client.(eth2client.SyncCommitteesProvider).SyncCommittee(ctx, fmt.Sprintf("%d", data.chainTime.FirstSlotOfEpoch(data.epoch)))
+	syncCommittee, err := data.eth2Client.(eth2client.SyncCommitteesProvider).SyncCommittee(ctx, fmt.Sprintf("%d", data.chainTime.FirstSlotOfEpoch(epoch)))
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to obtain sync committee information")
 	}
@@ -48,3 +51,27 @@ func process(ctx context.Context, data *dataIn) (*dataOut, error) {
 
 	return results, nil
 }
+
+func calculateEpoch(ctx context.Context, data *dataIn) (phase0.Epoch, error) {
+	var epoch phase0.Epoch
+	if data.epoch != -1 {
+		epoch = phase0.Epoch(data.epoch)
+	} else {
+		switch strings.ToLower(data.period) {
+		case "", "current":
+			epoch = data.chainTime.CurrentEpoch()
+		case "next":
+			period := data.chainTime.SlotToSyncCommitteePeriod(data.chainTime.CurrentSlot())
+			nextPeriod := period + 1
+			epoch = data.chainTime.FirstEpochOfSyncPeriod(nextPeriod)
+		default:
+			return 0, fmt.Errorf("period %s not known", data.period)
+		}
+	}
+
+	if data.debug {
+		fmt.Printf("epoch is %d\n", epoch)
+	}
+
+	return epoch, nil
+}

cmd/synccommitteemembers.go

@@ -28,7 +28,9 @@ var synccommitteeMembersCmd = &cobra.Command{
 
     ethdo synccommittee members --epoch=12345
 
-In quiet mode this will return 0 if the synccommittee members are found, otherwise 1.`,
+In quiet mode this will return 0 if the synccommittee members are found, otherwise 1.
+
+epoch can be a specific epoch.  period can be 'current' for the current sync period or 'next' for the next sync period`,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		res, err := synccommitteemembers.Run(cmd)
 		if err != nil {
@@ -48,10 +50,14 @@ func init() {
 	synccommitteeCmd.AddCommand(synccommitteeMembersCmd)
 	synccommitteeFlags(synccommitteeMembersCmd)
 	synccommitteeMembersCmd.Flags().Int64("epoch", -1, "the epoch for which to fetch sync committees")
+	synccommitteeMembersCmd.Flags().String("period", "", "the sync committee period for which to fetch sync committees ('current', 'next')")
 }
 
 func synccommitteeMembersBindings() {
 	if err := viper.BindPFlag("epoch", synccommitteeMembersCmd.Flags().Lookup("epoch")); err != nil {
 		panic(err)
 	}
+	if err := viper.BindPFlag("period", synccommitteeMembersCmd.Flags().Lookup("period")); err != nil {
+		panic(err)
+	}
 }

cmd/validator/depositdata/output.go

@@ -109,6 +109,7 @@ func validatorDepositDataOutputLaunchpad(datum *dataOut) (string, error) {
 	forkVersionMap := map[spec.Version]string{
 		[4]byte{0x00, 0x00, 0x00, 0x00}: "mainnet",
 		[4]byte{0x00, 0x00, 0x20, 0x09}: "pyrmont",
+		[4]byte{0x00, 0x00, 0x10, 0x20}: "prater",
 	}
 
 	if datum.validatorPubKey == nil {

cmd/validator/depositdata/output_internal_test.go

@@ -253,10 +253,15 @@ func TestOutputLaunchpad(t *testing.T) {
 		tmp := testutil.HexToSignature("0xb7a757a4c506ac6ac5f2d23e065de7d00dc9f5a6a3f9610a8b60b65f166379139ae382c91ecbbf5c9fabc34b1cd2cf8f0211488d50d8754716d8e72e17c1a00b5d9b37cc73767946790ebe66cf9669abfc5c25c67e1e2d1c2e11429d149c25a2")
 		signature = &tmp
 	}
-	var forkVersion *spec.Version
+	var forkVersionPyrmont *spec.Version
 	{
 		tmp := testutil.HexToVersion("0x00002009")
-		forkVersion = &tmp
+		forkVersionPyrmont = &tmp
+	}
+	var forkVersionPrater *spec.Version
+	{
+		tmp := testutil.HexToVersion("0x00001020")
+		forkVersionPrater = &tmp
 	}
 	var depositDataRoot *spec.Root
 	{
@@ -316,7 +321,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 					depositMessageRoot:    depositMessageRoot,
 				},
@@ -332,7 +337,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					validatorPubKey:    validatorPubKey,
 					amount:             32000000000,
 					signature:          signature,
-					forkVersion:        forkVersion,
+					forkVersion:        forkVersionPyrmont,
 					depositDataRoot:    depositDataRoot,
 					depositMessageRoot: depositMessageRoot,
 				},
@@ -348,7 +353,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					validatorPubKey:       validatorPubKey,
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 					depositMessageRoot:    depositMessageRoot,
 				},
@@ -364,7 +369,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					validatorPubKey:       validatorPubKey,
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 					depositMessageRoot:    depositMessageRoot,
 				},
@@ -381,7 +386,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositMessageRoot:    depositMessageRoot,
 				},
 			},
@@ -397,14 +402,14 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 				},
 			},
 			err: "deposit message root required",
 		},
 		{
-			name: "Single",
+			name: "SinglePyrmont",
 			dataOut: []*dataOut{
 				{
 					format:                "launchpad",
@@ -413,13 +418,30 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 					depositMessageRoot:    depositMessageRoot,
 				},
 			},
 			res: `[{"pubkey":"a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c","withdrawal_credentials":"00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b","amount":32000000000,"signature":"b7a757a4c506ac6ac5f2d23e065de7d00dc9f5a6a3f9610a8b60b65f166379139ae382c91ecbbf5c9fabc34b1cd2cf8f0211488d50d8754716d8e72e17c1a00b5d9b37cc73767946790ebe66cf9669abfc5c25c67e1e2d1c2e11429d149c25a2","deposit_message_root":"139b510ea7f2788ab82da1f427d6cbe1db147c15a053db738ad5500cd83754a6","deposit_data_root":"9e51b386f4271c18149dd0f73297a26a4a8c15c3622c44af79c92446f44a3554","fork_version":"00002009","eth2_network_name":"pyrmont","deposit_cli_version":"1.1.0"}]`,
 		},
+		{
+			name: "SinglePrater",
+			dataOut: []*dataOut{
+				{
+					format:                "launchpad",
+					account:               "interop/00000",
+					validatorPubKey:       validatorPubKey,
+					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
+					amount:                32000000000,
+					signature:             signature,
+					forkVersion:           forkVersionPrater,
+					depositDataRoot:       depositDataRoot,
+					depositMessageRoot:    depositMessageRoot,
+				},
+			},
+			res: `[{"pubkey":"a99a76ed7796f7be22d5b7e85deeb7c5677e88e511e0b337618f8c4eb61349b4bf2d153f649f7b53359fe8b94a38e44c","withdrawal_credentials":"00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b","amount":32000000000,"signature":"b7a757a4c506ac6ac5f2d23e065de7d00dc9f5a6a3f9610a8b60b65f166379139ae382c91ecbbf5c9fabc34b1cd2cf8f0211488d50d8754716d8e72e17c1a00b5d9b37cc73767946790ebe66cf9669abfc5c25c67e1e2d1c2e11429d149c25a2","deposit_message_root":"139b510ea7f2788ab82da1f427d6cbe1db147c15a053db738ad5500cd83754a6","deposit_data_root":"9e51b386f4271c18149dd0f73297a26a4a8c15c3622c44af79c92446f44a3554","fork_version":"00001020","eth2_network_name":"prater","deposit_cli_version":"1.1.0"}]`,
+		},
 		{
 			name: "Double",
 			dataOut: []*dataOut{
@@ -430,7 +452,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00fad2a6bfb0e7f1f0f45460944fbd8dfa7f37da06a4d13b3983cc90bb46963b"),
 					amount:                32000000000,
 					signature:             signature,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot,
 					depositMessageRoot:    depositMessageRoot,
 				},
@@ -441,7 +463,7 @@ func TestOutputLaunchpad(t *testing.T) {
 					withdrawalCredentials: testutil.HexToBytes("0x00ec7ef7780c9d151597924036262dd28dc60e1228f4da6fecf9d402cb3f3594"),
 					amount:                32000000000,
 					signature:             signature2,
-					forkVersion:           forkVersion,
+					forkVersion:           forkVersionPyrmont,
 					depositDataRoot:       depositDataRoot2,
 					depositMessageRoot:    depositMessageRoot2,
 				},

cmd/validator/expectation/command.go

@@ -0,0 +1,73 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+	"time"
+
+	eth2client "github.com/attestantio/go-eth2-client"
+	"github.com/pkg/errors"
+	"github.com/spf13/viper"
+)
+
+type command struct {
+	quiet   bool
+	verbose bool
+	debug   bool
+
+	// Beacon node connection.
+	timeout                  time.Duration
+	connection               string
+	allowInsecureConnections bool
+
+	// Input.
+	validators int64
+
+	// Data access.
+	eth2Client         eth2client.Service
+	validatorsProvider eth2client.ValidatorsProvider
+	activeValidators   int
+
+	// Output.
+	timeBetweenProposals      time.Duration
+	timeBetweenSyncCommittees time.Duration
+}
+
+func newCommand(ctx context.Context) (*command, error) {
+	c := &command{
+		quiet:   viper.GetBool("quiet"),
+		verbose: viper.GetBool("verbose"),
+		debug:   viper.GetBool("debug"),
+	}
+
+	// Timeout.
+	if viper.GetDuration("timeout") == 0 {
+		return nil, errors.New("timeout is required")
+	}
+	c.timeout = viper.GetDuration("timeout")
+
+	if viper.GetString("connection") == "" {
+		return nil, errors.New("connection is required")
+	}
+	c.connection = viper.GetString("connection")
+	c.allowInsecureConnections = viper.GetBool("allow-insecure-connections")
+
+	c.validators = viper.GetInt64("validators")
+	if c.validators < 1 {
+		return nil, errors.New("validators must be at least 1")
+	}
+
+	return c, nil
+}

cmd/validator/expectation/command_internal_test.go

@@ -0,0 +1,82 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+func TestInput(t *testing.T) {
+	if os.Getenv("ETHDO_TEST_CONNECTION") == "" {
+		t.Skip("ETHDO_TEST_CONNECTION not configured; cannot run tests")
+	}
+
+	tests := []struct {
+		name string
+		vars map[string]interface{}
+		err  string
+	}{
+		{
+			name: "TimeoutMissing",
+			vars: map[string]interface{}{},
+			err:  "timeout is required",
+		},
+		{
+			name: "ConnectionMissing",
+			vars: map[string]interface{}{
+				"validators": "1",
+				"timeout":    "5s",
+			},
+			err: "connection is required",
+		},
+		{
+			name: "ValidatorsZero",
+			vars: map[string]interface{}{
+				"timeout":    "5s",
+				"validators": "0",
+				"connection": os.Getenv("ETHDO_TEST_CONNECTION"),
+			},
+			err: "validators must be at least 1",
+		},
+		{
+			name: "Good",
+			vars: map[string]interface{}{
+				"validators": "1",
+				"timeout":    "5s",
+				"connection": os.Getenv("ETHDO_TEST_CONNECTION"),
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			viper.Reset()
+
+			for k, v := range test.vars {
+				viper.Set(k, v)
+			}
+			_, err := newCommand(context.Background())
+			if test.err != "" {
+				require.EqualError(t, err, test.err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}

cmd/validator/expectation/output.go

@@ -0,0 +1,39 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+	"strings"
+
+	"github.com/hako/durafmt"
+)
+
+func (c *command) output(ctx context.Context) (string, error) {
+	if c.quiet {
+		return "", nil
+	}
+
+	builder := strings.Builder{}
+
+	builder.WriteString("Expected time between block proposals: ")
+	builder.WriteString(durafmt.Parse(c.timeBetweenProposals).LimitFirstN(2).String())
+	builder.WriteString("\n")
+
+	builder.WriteString("Expected time between sync committees: ")
+	builder.WriteString(durafmt.Parse(c.timeBetweenSyncCommittees).LimitFirstN(2).String())
+	builder.WriteString("\n")
+
+	return builder.String(), nil
+}

cmd/validator/expectation/process.go

@@ -0,0 +1,161 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	eth2client "github.com/attestantio/go-eth2-client"
+	"github.com/pkg/errors"
+	standardchaintime "github.com/wealdtech/ethdo/services/chaintime/standard"
+	"github.com/wealdtech/ethdo/util"
+)
+
+func (c *command) process(ctx context.Context) error {
+	// Obtain information we need to process.
+	if err := c.setup(ctx); err != nil {
+		return err
+	}
+
+	if c.debug {
+		fmt.Printf("Active validators: %d\n", c.activeValidators)
+	}
+
+	if err := c.calculateProposalChance(ctx); err != nil {
+		return err
+	}
+
+	return c.calculateSyncCommitteeChance(ctx)
+}
+
+func (c *command) calculateProposalChance(ctx context.Context) error {
+	// Chance of proposing a block is 1/activeValidators.
+	// Expectation of number of slots before proposing a block is 1/p, == activeValidators slots.
+
+	spec, err := c.eth2Client.(eth2client.SpecProvider).Spec(ctx)
+	if err != nil {
+		return err
+	}
+
+	tmp, exists := spec["SECONDS_PER_SLOT"]
+	if !exists {
+		return errors.New("spec missing SECONDS_PER_SLOT")
+	}
+	slotDuration, isType := tmp.(time.Duration)
+	if !isType {
+		return errors.New("SECONDS_PER_SLOT of incorrect type")
+	}
+
+	c.timeBetweenProposals = slotDuration * time.Duration(c.activeValidators) / time.Duration(c.validators)
+
+	return nil
+}
+
+func (c *command) calculateSyncCommitteeChance(ctx context.Context) error {
+	// Chance of being in a sync committee is SYNC_COMMITTEE_SIZE/activeValidators.
+	// Expectation of number of periods before being in a sync committee is 1/p, activeValidators/SYNC_COMMITTEE_SIZE periods.
+
+	spec, err := c.eth2Client.(eth2client.SpecProvider).Spec(ctx)
+	if err != nil {
+		return err
+	}
+
+	tmp, exists := spec["SECONDS_PER_SLOT"]
+	if !exists {
+		return errors.New("spec missing SECONDS_PER_SLOT")
+	}
+	slotDuration, isType := tmp.(time.Duration)
+	if !isType {
+		return errors.New("SECONDS_PER_SLOT of incorrect type")
+	}
+
+	tmp, exists = spec["SYNC_COMMITTEE_SIZE"]
+	if !exists {
+		return errors.New("spec missing SYNC_COMMITTEE_SIZE")
+	}
+	syncCommitteeSize, isType := tmp.(uint64)
+	if !isType {
+		return errors.New("SYNC_COMMITTEE_SIZE of incorrect type")
+	}
+
+	tmp, exists = spec["SLOTS_PER_EPOCH"]
+	if !exists {
+		return errors.New("spec missing SLOTS_PER_EPOCH")
+	}
+	slotsPerEpoch, isType := tmp.(uint64)
+	if !isType {
+		return errors.New("SLOTS_PER_EPOCH of incorrect type")
+	}
+
+	tmp, exists = spec["EPOCHS_PER_SYNC_COMMITTEE_PERIOD"]
+	if !exists {
+		return errors.New("spec missing EPOCHS_PER_SYNC_COMMITTEE_PERIOD")
+	}
+	epochsPerPeriod, isType := tmp.(uint64)
+	if !isType {
+		return errors.New("EPOCHS_PER_SYNC_COMMITTEE_PERIOD of incorrect type")
+	}
+
+	periodsBetweenSyncCommittees := uint64(c.activeValidators) / syncCommitteeSize
+	if c.debug {
+		fmt.Printf("Sync committee periods between inclusion: %d\n", periodsBetweenSyncCommittees)
+	}
+
+	c.timeBetweenSyncCommittees = slotDuration * time.Duration(slotsPerEpoch*epochsPerPeriod) * time.Duration(periodsBetweenSyncCommittees) / time.Duration(c.validators)
+
+	return nil
+}
+
+func (c *command) setup(ctx context.Context) error {
+	var err error
+
+	// Connect to the client.
+	c.eth2Client, err = util.ConnectToBeaconNode(ctx, c.connection, c.timeout, c.allowInsecureConnections)
+	if err != nil {
+		return errors.Wrap(err, "failed to connect to beacon node")
+	}
+
+	chainTime, err := standardchaintime.New(ctx,
+		standardchaintime.WithSpecProvider(c.eth2Client.(eth2client.SpecProvider)),
+		standardchaintime.WithForkScheduleProvider(c.eth2Client.(eth2client.ForkScheduleProvider)),
+		standardchaintime.WithGenesisTimeProvider(c.eth2Client.(eth2client.GenesisTimeProvider)),
+	)
+	if err != nil {
+		return errors.Wrap(err, "failed to set up chaintime service")
+	}
+
+	// Obtain the number of active validators.
+	var isProvider bool
+	c.validatorsProvider, isProvider = c.eth2Client.(eth2client.ValidatorsProvider)
+	if !isProvider {
+		return errors.New("connection does not provide validator information")
+	}
+
+	validators, err := c.validatorsProvider.Validators(ctx, "head", nil)
+	if err != nil {
+		return errors.Wrap(err, "failed to obtain validators")
+	}
+
+	currentEpoch := chainTime.CurrentEpoch()
+	for _, validator := range validators {
+		if validator.Validator.ActivationEpoch <= currentEpoch &&
+			validator.Validator.ExitEpoch > currentEpoch {
+			c.activeValidators++
+		}
+	}
+
+	return nil
+}

cmd/validator/expectation/process_internal_test.go

@@ -0,0 +1,63 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/spf13/viper"
+	"github.com/stretchr/testify/require"
+)
+
+func TestProcess(t *testing.T) {
+	if os.Getenv("ETHDO_TEST_CONNECTION") == "" {
+		t.Skip("ETHDO_TEST_CONNECTION not configured; cannot run tests")
+	}
+
+	tests := []struct {
+		name string
+		vars map[string]interface{}
+		err  string
+	}{
+		{
+			name: "InvalidData",
+			vars: map[string]interface{}{
+				"timeout":    "5s",
+				"validators": "1",
+				"data":       "[[",
+				"connection": os.Getenv("ETHDO_TEST_CONNECTION"),
+			},
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			viper.Reset()
+
+			for k, v := range test.vars {
+				viper.Set(k, v)
+			}
+			cmd, err := newCommand(context.Background())
+			require.NoError(t, err)
+			err = cmd.process(context.Background())
+			if test.err != "" {
+				require.EqualError(t, err, test.err)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}

cmd/validator/expectation/run.go

@@ -0,0 +1,50 @@
+// Copyright © 2021 Weald Technology Trading.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package validatorexpectation
+
+import (
+	"context"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+// Run runs the command.
+func Run(cmd *cobra.Command) (string, error) {
+	ctx := context.Background()
+
+	c, err := newCommand(ctx)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to set up command")
+	}
+
+	// Further errors do not need a usage report.
+	cmd.SilenceUsage = true
+
+	if err := c.process(ctx); err != nil {
+		return "", errors.Wrap(err, "failed to process")
+	}
+
+	if viper.GetBool("quiet") {
+		return "", nil
+	}
+
+	results, err := c.output(ctx)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to obtain output")
+	}
+
+	return results, nil
+}

cmd/validatorexpectation.go

@@ -0,0 +1,55 @@
+// Copyright © 2021 Weald Technology Trading
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	validatorexpectation "github.com/wealdtech/ethdo/cmd/validator/expectation"
+)
+
+var validatorExpectationCmd = &cobra.Command{
+	Use:   "expectation",
+	Short: "Calculate expectation for individual validators",
+	Long: `Calculate expectation for individual validators.  For example:
+
+    ethdo validator expectation`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		res, err := validatorexpectation.Run(cmd)
+		if err != nil {
+			return err
+		}
+		if viper.GetBool("quiet") {
+			return nil
+		}
+		res = strings.TrimRight(res, "\n")
+		fmt.Println(res)
+		return nil
+	},
+}
+
+func init() {
+	validatorCmd.AddCommand(validatorExpectationCmd)
+	validatorFlags(validatorExpectationCmd)
+	validatorExpectationCmd.Flags().Int64("validators", 1, "Number of validators")
+}
+
+func validatorExpectationBindings() {
+	if err := viper.BindPFlag("validators", validatorExpectationCmd.Flags().Lookup("validators")); err != nil {
+		panic(err)
+	}
+}

cmd/validatorinfo.go

@@ -1,4 +1,4 @@
-// Copyright © 2020 Weald Technology Trading
+// Copyright © 2020, 2021 Weald Technology Trading
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -54,7 +54,7 @@ In quiet mode this will return 0 if the validator information can be obtained, o
 		)
 		errCheck(err, "Failed to connect to Ethereum 2 beacon node")
 
-		account, err := validatorInfoAccount()
+		account, err := validatorInfoAccount(ctx, eth2Client)
 		errCheck(err, "Failed to obtain validator account")
 
 		pubKeys := make([]spec.BLSPubKey, 1)
@@ -99,6 +99,12 @@ In quiet mode this will return 0 if the validator information can be obtained, o
 			fmt.Printf("Public key: %#x\n", validator.Validator.PublicKey)
 		}
 		fmt.Printf("Status: %v\n", validator.Status)
+		switch validator.Status {
+		case api.ValidatorStateActiveExiting, api.ValidatorStateActiveSlashed:
+			fmt.Printf("Exit epoch: %d\n", validator.Validator.ExitEpoch)
+		case api.ValidatorStateExitedUnslashed, api.ValidatorStateExitedSlashed:
+			fmt.Printf("Withdrawable epoch: %d\n", validator.Validator.WithdrawableEpoch)
+		}
 		fmt.Printf("Balance: %s\n", string2eth.GWeiToString(uint64(validator.Balance), true))
 		if validator.Status.IsActive() {
 			fmt.Printf("Effective balance: %s\n", string2eth.GWeiToString(uint64(validator.Validator.EffectiveBalance), true))
@@ -107,31 +113,12 @@ In quiet mode this will return 0 if the validator information can be obtained, o
 			fmt.Printf("Withdrawal credentials: %#x\n", validator.Validator.WithdrawalCredentials)
 		}
 
-		//		transition := time.Unix(int64(validatorInfo.TransitionTimestamp), 0)
-		//		transitionPassed := int64(validatorInfo.TransitionTimestamp) <= time.Now().Unix()
-		//		switch validatorInfo.Status {
-		//		case ethpb.ValidatorStatus_DEPOSITED:
-		//			if validatorInfo.TransitionTimestamp != 0 {
-		//				fmt.Printf("Inclusion in chain: %s\n", transition)
-		//			}
-		//		case ethpb.ValidatorStatus_PENDING:
-		//			fmt.Printf("Activation: %s\n", transition)
-		//		case ethpb.ValidatorStatus_EXITING, ethpb.ValidatorStatus_SLASHING:
-		//			fmt.Printf("Attesting finishes: %s\n", transition)
-		//		case ethpb.ValidatorStatus_EXITED:
-		//			if transitionPassed {
-		//				fmt.Printf("Funds withdrawable: Now\n")
-		//			} else {
-		//				fmt.Printf("Funds withdrawable: %s\n", transition)
-		//			}
-		//		}
-
 		os.Exit(_exitSuccess)
 	},
 }
 
 // validatorInfoAccount obtains the account for the validator info command.
-func validatorInfoAccount() (e2wtypes.Account, error) {
+func validatorInfoAccount(ctx context.Context, eth2Client eth2client.Service) (e2wtypes.Account, error) {
 	var account e2wtypes.Account
 	var err error
 	switch {
@@ -151,6 +138,26 @@ func validatorInfoAccount() (e2wtypes.Account, error) {
 		if err != nil {
 			return nil, errors.Wrap(err, fmt.Sprintf("invalid public key %s", viper.GetString("pubkey")))
 		}
+	case viper.GetInt64("index") != -1:
+		validatorsProvider, isValidatorsProvider := eth2Client.(eth2client.ValidatorsProvider)
+		if !isValidatorsProvider {
+			return nil, errors.New("client does not provide validator information")
+		}
+		validators, err := validatorsProvider.Validators(ctx, "head", []spec.ValidatorIndex{
+			spec.ValidatorIndex(viper.GetInt64("index")),
+		})
+		if err != nil {
+			return nil, errors.Wrap(err, "failed to obtain validator information.")
+		}
+		if len(validators) == 0 {
+			return nil, errors.New("unknown validator index")
+		}
+		pubKeyBytes := make([]byte, 48)
+		copy(pubKeyBytes, validators[0].Validator.PublicKey[:])
+		account, err = util.NewScratchAccount(nil, pubKeyBytes)
+		if err != nil {
+			return nil, errors.Wrap(err, fmt.Sprintf("invalid public key %s", viper.GetString("pubkey")))
+		}
 	default:
 		return nil, errors.New("neither account nor public key supplied")
 	}
@@ -212,6 +219,7 @@ func graphData(network string, validatorPubKey []byte) (uint64, spec.Gwei, error
 func init() {
 	validatorCmd.AddCommand(validatorInfoCmd)
 	validatorInfoCmd.Flags().String("pubkey", "", "Public key for which to obtain status")
+	validatorInfoCmd.Flags().Int64("index", -1, "Index for which to obtain status")
 	validatorFlags(validatorInfoCmd)
 }
 

cmd/version.go

@@ -1,4 +1,4 @@
-// Copyright © 2019 - 2021 Weald Technology Trading
+// Copyright © 2019 - 2021 Weald Technology Trading.
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -24,7 +24,7 @@ import (
 
 // ReleaseVersion is the release version of the codebase.
 // Usually overridden by tag names when building binaries.
-var ReleaseVersion = "local build (latest release 1.12.2)"
+var ReleaseVersion = "local build (latest release 1.15.0)"
 
 // versionCmd represents the version command
 var versionCmd = &cobra.Command{

docs/usage.md

@@ -527,6 +527,16 @@ $ ethdo validator keycheck --withdrawal-credentials=0x007e28dcf9029e8d92ca4b5d01
 Withdrawal credentials confirmed at path m/12381/3600/10/0
 ```
 
+#### `expectation`
+
+`ethdo validator expectation` calculates the times between expected actions.
+
+```sh
+$ ethdo validator expectation
+Expected time between block proposals: 4 weeks 6 days
+Expected time between sync committees: 1 year 27 weeks
+```
+
 ### `attester` commands
 
 Attester commands focus on Ethereum 2 validators' actions as attesters.

go.mod

@@ -4,11 +4,12 @@ go 1.16
 
 require (
 	github.com/OneOfOne/xxhash v1.2.5 // indirect
-	github.com/attestantio/dirk v1.0.3
-	github.com/attestantio/go-eth2-client v0.7.2
+	github.com/attestantio/dirk v1.0.4
+	github.com/attestantio/go-eth2-client v0.8.0
 	github.com/ferranbt/fastssz v0.0.0-20210905181407-59cf6761a7d5
 	github.com/gofrs/uuid v4.0.0+incompatible
 	github.com/google/uuid v1.3.0
+	github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b // indirect
 	github.com/hashicorp/hcl v1.0.1-vault-3 // indirect
 	github.com/herumi/bls-eth-go-binary v0.0.0-20210902234237-7763804ee078
 	github.com/minio/highwayhash v1.0.2 // indirect
@@ -17,7 +18,6 @@ require (
 	github.com/nbutton23/zxcvbn-go v0.0.0-20210217022336-fa2cb2858354
 	github.com/pkg/errors v0.9.1
 	github.com/protolambda/zssz v0.1.5 // indirect
-	github.com/prysmaticlabs/ethereumapis v0.0.0-20210201130911-92b2a467c108 // indirect
 	github.com/prysmaticlabs/go-bitfield v0.0.0-20210809151128-385d8c5e3fb7
 	github.com/prysmaticlabs/go-ssz v0.0.0-20210121151755-f6208871c388
 	github.com/rs/zerolog v1.23.0
@@ -31,7 +31,7 @@ require (
 	github.com/wealdtech/go-eth2-types/v2 v2.5.6
 	github.com/wealdtech/go-eth2-util v1.6.5
 	github.com/wealdtech/go-eth2-wallet v1.14.6
-	github.com/wealdtech/go-eth2-wallet-dirk v1.1.7
+	github.com/wealdtech/go-eth2-wallet-dirk v1.1.8
 	github.com/wealdtech/go-eth2-wallet-distributed v1.1.4
 	github.com/wealdtech/go-eth2-wallet-encryptor-keystorev4 v1.1.6
 	github.com/wealdtech/go-eth2-wallet-hd/v2 v2.5.5
@@ -44,5 +44,3 @@ require (
 	golang.org/x/text v0.3.7
 	google.golang.org/grpc v1.40.0
 )
-
-replace github.com/fsnotify/fsnotify v1.5.0 => github.com/fsnotify/fsnotify v1.5.1

go.sum

@@ -23,68 +23,50 @@ cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSU
 cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
 cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
 cloud.google.com/go v0.92.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
-cloud.google.com/go v0.93.3 h1:wPBktZFzYBcCZVARvwVKqH1uEj+aLXofJEtrb4oOsio=
 cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
 cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0 h1:PQcPefKFdaIzjQFbiyOgAqyx8q5djaE7x9Sqe712DPA=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0 h1:9x7Bx0A9R5/M9jibeJeZWqjeVEIxYW9fZYqB9a70/bY=
 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/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1 h1:ukjixP1wl0LpnZ6LWtZJ0mX5tBmjp1f8Sqer8Z2OMUU=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/secretmanager v0.1.0 h1:ovHBlQ62xZxSmnf4RarqU45rSYl+QB/FkzZGvE/FjWI=
 cloud.google.com/go/secretmanager v0.1.0/go.mod h1:3nGKHvnzDUVit7U0S9KAKJ4aOsO1xtwRG+7ey5LK1bM=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
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 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0 h1:STgFzyU5/8miMl0//zKh2aQeTyeaUH3WN9bSUiJ09bA=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9 h1:VpgP7xuJadIUuKccphEpTJnWhS2jkQyMt6Y7pJCD7fY=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
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 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802 h1:1BDTz0u9nC3//pOCMdNH+CiXJVYJh5UQNCOBG7jbELc=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/HdrHistogram/hdrhistogram-go v1.1.1 h1:cJXY5VLMHgejurPjZH6Fo9rIwRGLefBGdiaENZALqrg=
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 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
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 github.com/aws/aws-sdk-go v1.33.17/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aws/aws-sdk-go v1.40.41 h1:v/Y4bB8+wHCONtKV+fuHTzLiqC08lk8e9HqYhRB9PBQ=
 github.com/aws/aws-sdk-go v1.40.41/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
@@ -92,47 +74,30 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
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-github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
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-github.com/bketelsen/crypt v0.0.4 h1:w/jqZtC9YD4DS/Vp9GhWfWcCpuAL58oTnLoI8vE9YHU=
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-github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
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-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed h1:OZmjad4L3H8ncOIR8rnb5MREYqG8ixi5+WbeUsquF0c=
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-github.com/coreos/go-etcd v2.0.0+incompatible h1:bXhRBIXoTm9BYHS3gE0TtQuyNZyeEMux2sDi4oo5YOo=
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-github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
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-github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
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-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 v1.1.9 h1:uDmaGzcdjhF4i/plgjmEsriH11Y0o7RKapEf/LDaM3w=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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@@ -154,9 +119,7 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
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 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0 h1:dulLQAYQFYtG5MTplgNGHWuV2D+OBD+Z8lmDBmbLg+s=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
-github.com/envoyproxy/protoc-gen-validate v0.1.0 h1:EQciDnbrYxy13PgWoY8AqoxGiPrpgBZ1R8UNe3ddc+A=
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 github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
@@ -166,31 +129,21 @@ github.com/ferranbt/fastssz v0.0.0-20200728110133-0b6e349af87a/go.mod h1:DyEu2iu
 github.com/ferranbt/fastssz v0.0.0-20210526181520-7df50c8568f8/go.mod h1:DyEu2iuLBnb/T51BlsiO3yLYdJC6UbGMrIkqK1KmQxM=
 github.com/ferranbt/fastssz v0.0.0-20210905181407-59cf6761a7d5 h1:6dVcS0LktRSyEEgldFY4N9J17WjUoiJStttH+RZj0Wo=
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-github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90 h1:WXb3TSNmHp2vHoCroCIB1foO/yQ36swABL8aOVeDpgg=
 github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
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-github.com/fsnotify/fsnotify v1.5.0 h1:NO5hkcB+srp1x6QmwvNZLeaOgbM8cmBTN32THzjvu2k=
-github.com/fsnotify/fsnotify v1.5.0/go.mod h1:BX0DCEr5pT4jm2CnQdVP1lFV521fcCNcyEeNp4DQQDk=
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-github.com/go-kit/kit v0.9.0 h1:wDJmvq38kDhkVxi50ni9ykkdUr1PKgqKOoi01fa0Mdk=
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-github.com/go-kit/log v0.1.0 h1:DGJh0Sm43HbOeYDNnVZFl8BvcYVvjD5bqYJvp0REbwQ=
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-github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4=
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-github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
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 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
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@@ -198,14 +151,11 @@ github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD87
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
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-github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
-github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/goccy/go-yaml v1.8.9/go.mod h1:U/jl18uSupI5rdI2jmuCswEA2htH9eXfferR3KfscvA=
 github.com/goccy/go-yaml v1.9.3 h1:9A7DkTBb7cZs5wqcqAhgR+2Ms8O7HTjT0SqOXO10HqM=
 github.com/goccy/go-yaml v1.9.3/go.mod h1:U/jl18uSupI5rdI2jmuCswEA2htH9eXfferR3KfscvA=
-github.com/godbus/dbus/v5 v5.0.4 h1:9349emZab16e7zQvpmsbtjc18ykshndd8y2PG3sgJbA=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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 github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
@@ -213,7 +163,6 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/glog v1.0.0 h1:nfP3RFugxnNRyKgeWd4oI1nYvXpxrx8ck8ZrcizshdQ=
@@ -221,7 +170,6 @@ github.com/golang/glog v1.0.0/go.mod h1:EWib/APOK0SL3dFbYqvxE3UYd8E6s1ouQ7iEp/0L
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
-github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@@ -231,7 +179,6 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
-github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
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@@ -255,7 +202,6 @@ github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
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@@ -270,13 +216,10 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -291,9 +234,7 @@ github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLe
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@@ -301,59 +242,41 @@ github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
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@@ -364,26 +287,19 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
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@@ -395,14 +311,10 @@ github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa02
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@@ -421,23 +333,18 @@ github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9
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@@ -446,13 +353,10 @@ github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
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@@ -461,7 +365,6 @@ github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLA
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@@ -470,11 +373,9 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -500,8 +401,6 @@ github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1
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@@ -510,27 +409,19 @@ github.com/prysmaticlabs/go-ssz v0.0.0-20210121151755-f6208871c388 h1:4bD+ujqGfY
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@@ -565,7 +456,6 @@ github.com/spf13/viper v1.8.1 h1:Kq1fyeebqsBfbjZj4EL7gj2IO0mMaiyjYUWcUsl2O44=
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@@ -579,11 +469,8 @@ github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s
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@@ -600,8 +487,8 @@ github.com/wealdtech/go-eth2-util v1.6.5 h1:FAdcuwYagSkdDEUvYc3h/lHDvS6/lYGQLrFX
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 github.com/wealdtech/go-eth2-wallet-distributed v1.1.4 h1:EBk/FofiQWtbRYmwdCp0qM9TPDvlh1LN2yjlLr4W3ao=
 github.com/wealdtech/go-eth2-wallet-distributed v1.1.4/go.mod h1:Y31pDxcdyADwfQl65t8V6KhcmCes31EXkXZPDcT2SIk=
 github.com/wealdtech/go-eth2-wallet-encryptor-keystorev4 v1.1.6 h1:FJG3id7nS6fsHbb15vmmPp4ddX5xh8S5HHCSHOPMh4U=
@@ -623,23 +510,17 @@ github.com/wealdtech/go-eth2-wallet-types/v2 v2.8.5 h1:R6RCZFqwrYYZJq6MVlJP0ekNd
 github.com/wealdtech/go-eth2-wallet-types/v2 v2.8.5/go.mod h1:pEQC6Y6K+g4yVrdt4TtlRjUDCzkseOm6yxB4jLCsAkc=
 github.com/wealdtech/go-indexer v1.0.0 h1:/S4rfWQbSOnnYmwnvuTVatDibZ8o1s9bmTCHO16XINg=
 github.com/wealdtech/go-indexer v1.0.0/go.mod h1:u1cjsbsOXsm5jzJDyLmZY7GsrdX8KYXKBXkZcAmk3Zg=
-github.com/wealdtech/go-majordomo v1.0.1 h1:wo4e0hZmCquhz/l8T/PHLr6hF9+hPY65BM1uRdFXtc8=
 github.com/wealdtech/go-majordomo v1.0.1/go.mod h1:QoT4S1nUQwdQK19+CfepDwV+Yr7cc3dbF+6JFdQnIqY=
 github.com/wealdtech/go-string2eth v1.1.0 h1:USJQmysUrBYYmZs7d45pMb90hRSyEwizP7lZaOZLDAw=
 github.com/wealdtech/go-string2eth v1.1.0/go.mod h1:RUzsLjJtbZaJ/3UKn9kY19a/vCCUHtEWoUW3uiK6yGU=
-github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77 h1:ESFSdwYZvkeru3RtdrYueztKhOBCSAAzS4Gf+k0tEow=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.3.5 h1:dPmz1Snjq0kmkz159iL7S6WzdahUTHnHB5M56WFVifs=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-go.etcd.io/etcd/api/v3 v3.5.0 h1:GsV3S+OfZEOCNXdtNkBSR7kgLobAa/SO6tCxRa0GAYw=
 go.etcd.io/etcd/api/v3 v3.5.0/go.mod h1:cbVKeC6lCfl7j/8jBhAK6aIYO9XOjdptoxU/nLQcPvs=
-go.etcd.io/etcd/client/pkg/v3 v3.5.0 h1:2aQv6F436YnN7I4VbI8PPYrBhu+SmrTaADcf8Mi/6PU=
 go.etcd.io/etcd/client/pkg/v3 v3.5.0/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3YSwc9/Ac1g=
-go.etcd.io/etcd/client/v2 v2.305.0 h1:ftQ0nOOHMcbMS3KIaDQ0g5Qcd6bhaBrQT6b89DfwLTs=
 go.etcd.io/etcd/client/v2 v2.305.0/go.mod h1:h9puh54ZTgAKtEbut2oe9P4L/oqKCVB6xsXlzd7alYQ=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -647,19 +528,14 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
-go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
-go.opentelemetry.io/proto/otlp v0.7.0 h1:rwOQPCuKAKmwGKq2aVNnYIibI6wnV7EvzgfTCzcdGg8=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -685,11 +561,9 @@ golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
-golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6 h1:QE6XYQK6naiK1EPAe1g/ILLxN5RBoH5xkJk3CqlMI/Y=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
-golang.org/x/image v0.0.0-20190802002840-cff245a6509b h1:+qEpEAPhDZ1o0x3tHzZTQDArnOixOzGD9HUJfcg0mb4=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@@ -702,10 +576,8 @@ golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRu
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20210508222113-6edffad5e616 h1:VLliZ0d+/avPrXXH+OakdXhpJuEoBZuwh1m2j7U6Iug=
 golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
-golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs=
 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=
 golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
@@ -715,7 +587,6 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -780,7 +651,6 @@ golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
-golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f h1:Qmd2pbz05z7z6lm0DrgQVVPuBm92jqujBKMHMOlOQEw=
 golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -792,7 +662,6 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -856,7 +725,6 @@ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0 h1:xrCZDmdtoloIiooiA9q0OQb9r8HejIHYoHGhGCe1pGg=
 golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -870,7 +738,6 @@ golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -930,7 +797,6 @@ golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.5 h1:ouewzE6p+/VEB31YYnTbEJdi8pFqKp4P4n85vwo3DHA=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -938,11 +804,8 @@ golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
-gonum.org/v1/gonum v0.8.2 h1:CCXrcPKiGGotvnN6jfUsKk4rRqm7q09/YbKb5xCEvtM=
 gonum.org/v1/gonum v0.8.2/go.mod h1:oe/vMfY3deqTw+1EZJhuvEW2iwGF1bW9wwu7XCu0+v0=
-gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0 h1:OE9mWmgKkjJyEmDAAtGMPjXu+YNeGvK9VTSHY6+Qihc=
 gonum.org/v1/netlib v0.0.0-20190313105609-8cb42192e0e0/go.mod h1:wa6Ws7BG/ESfp6dHfk7C6KdzKA7wR7u/rKwOGE66zvw=
-gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b h1:Qh4dB5D/WpoUUp3lSod7qgoyEHbDGPUWjIbnqdqqe1k=
 gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZBvf6cAIx93T+c/OS2HFAYskSZc=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
@@ -970,7 +833,6 @@ google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59t
 google.golang.org/api v0.48.0/go.mod h1:71Pr1vy+TAZRPkPs/xlCf5SsU8WjuAWv1Pfjbtukyy4=
 google.golang.org/api v0.50.0/go.mod h1:4bNT5pAuq5ji4SRZm+5QIkjny9JAyVD/3gaSihNefaw=
 google.golang.org/api v0.51.0/go.mod h1:t4HdrdoNgyN5cbEfm7Lum0lcLDLiise1F8qDKX00sOU=
-google.golang.org/api v0.54.0 h1:ECJUVngj71QI6XEm7b1sAf8BljU5inEhMbKPR8Lxhhk=
 google.golang.org/api v0.54.0/go.mod h1:7C4bFFOvVDGXjfDTAsgGwDgAxRDeQ4X8NvUedIt6z3k=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -978,7 +840,6 @@ google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -1064,7 +925,6 @@ google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnD
 google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0 h1:M1YKkFIboKNieVO5DLUEVzQfGwJD30Nv2jfUgzb5UcE=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -1080,7 +940,6 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/cenkalti/backoff.v1 v1.1.0 h1:Arh75ttbsvlpVA7WtVpH4u9h6Zl46xuptxqLxPiSo4Y=
 gopkg.in/cenkalti/backoff.v1 v1.1.0/go.mod h1:J6Vskwqd+OMVJl8C33mmtxTBs2gyzfv7UDAkHu8BrjI=
@@ -1089,11 +948,9 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0 h1:0vLT13EuvQ0hNvakwLuFZ/jYrLp5F3kcWHXdRggjCE8=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
 gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/jcmturner/gokrb5.v7 v7.5.0 h1:a9tsXlIDD9SKxotJMK3niV7rPZAJeX2aD/0yg3qlIrg=
 gopkg.in/jcmturner/gokrb5.v7 v7.5.0/go.mod h1:l8VISx+WGYp+Fp7KRbsiUuXTTOnxIc3Tuvyavf11/WM=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -1115,13 +972,8 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4 h1:UoveltGrhghAA7ePc+e+QYDHXrBps2PqFZiHkGR/xK8=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
-rsc.io/quote/v3 v3.1.0 h1:9JKUTTIUgS6kzR9mK1YuGKv6Nl+DijDNIc0ghT58FaY=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0 h1:7uVkIFmeBqHfdjD+gZwtXXI+RODJ2Wc4O7MPEh/QiW4=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=

util/networks.go

@@ -26,35 +26,32 @@ var networks = map[string]string{
 	"00000000219ab540356cbb839cbe05303d7705fa": "Mainnet",
 	"07b39f4fde4a38bace212b546dac87c58dfe3fdc": "Medalla",
 	"8c5fecdc472e27bc447696f431e425d02dd46a8c": "Pyrmont",
+	"ff50ed3d0ec03ac01d4c79aad74928bff48a7b2b": "Prater",
 }
 
 // Network returns the name of the network., calculated from the deposit contract information.
 // If not known, returns "Unknown".
 func Network(ctx context.Context, eth2Client eth2client.Service) (string, error) {
 	var address []byte
-	var err error
 
 	if eth2Client == nil {
 		return "", errors.New("no Ethereum 2 client supplied")
 	}
 
-	if provider, isProvider := eth2Client.(eth2client.DepositContractProvider); isProvider {
-		address, err = provider.DepositContractAddress(ctx)
-		if err != nil {
-			return "", errors.Wrap(err, "failed to obtain deposit contract address")
-		}
-	} else if provider, isProvider := eth2Client.(eth2client.SpecProvider); isProvider {
-		config, err := provider.Spec(ctx)
-		if err != nil {
-			return "", errors.Wrap(err, "failed to obtain chain specification")
-		}
-		if config == nil {
-			return "", errors.New("failed to return chain specification")
-		}
-		depositContractAddress, exists := config["DEPOSIT_CONTRACT_ADDRESS"]
-		if exists {
-			address = depositContractAddress.([]byte)
-		}
+	provider, isProvider := eth2Client.(eth2client.SpecProvider)
+	if !isProvider {
+		return "", errors.New("client does not provide deposit contract address")
+	}
+	config, err := provider.Spec(ctx)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to obtain chain specification")
+	}
+	if config == nil {
+		return "", errors.New("failed to return chain specification")
+	}
+	depositContractAddress, exists := config["DEPOSIT_CONTRACT_ADDRESS"]
+	if exists {
+		address = depositContractAddress.([]byte)
 	}
 
 	return network(address), nil

util/networks_test.go

@@ -1,4 +1,4 @@
-// Copyright © 2020 Weald Technology Trading
+// Copyright © 2020, 2021 Weald Technology Trading
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
@@ -23,38 +23,6 @@ import (
 	"github.com/wealdtech/ethdo/util"
 )
 
-// A mock Ethereum 2 client service that returns supplied deposit information.
-type depositETH2Client struct {
-	address   []byte
-	chainID   uint64
-	networkID uint64
-}
-
-// Name returns the name of the client implementation.
-func (c *depositETH2Client) Name() string {
-	return "deposit mock"
-}
-
-// Address returns the address of the client.
-func (c *depositETH2Client) Address() string {
-	return "mock"
-}
-
-// DepositContractAddress provides the Ethereum 1 address of the deposit contract.
-func (c *depositETH2Client) DepositContractAddress(ctx context.Context) ([]byte, error) {
-	return c.address, nil
-}
-
-// DepositContractChainID provides the Ethereum 1 chain ID of the deposit contract.
-func (c *depositETH2Client) DepositContractChainID(ctx context.Context) (uint64, error) {
-	return c.chainID, nil
-}
-
-// DepositContractNetworkID provides the Ethereum 1 network ID of the deposit contract.
-func (c *depositETH2Client) DepositContractNetworkID(ctx context.Context) (uint64, error) {
-	return c.networkID, nil
-}
-
 // A mock Ethereum 2 client service that returns spec information.
 type specETH2Client struct {
 	address []byte
@@ -88,15 +56,6 @@ func TestNetworks(t *testing.T) {
 			name: "Nil",
 			err:  "no Ethereum 2 client supplied",
 		},
-		{
-			name: "MainnetDeposit",
-			service: &depositETH2Client{
-				address:   testutil.HexToBytes("0x00000000219ab540356cbb839cbe05303d7705fa"),
-				chainID:   0,
-				networkID: 0,
-			},
-			network: "Mainnet",
-		},
 		{
 			name: "MainnetSpec",
 			service: &specETH2Client{
@@ -104,15 +63,6 @@ func TestNetworks(t *testing.T) {
 			},
 			network: "Mainnet",
 		},
-		{
-			name: "UnknownDeposit",
-			service: &depositETH2Client{
-				address:   testutil.HexToBytes("0x1111111111111111111111111111111111111111"),
-				chainID:   0,
-				networkID: 0,
-			},
-			network: "Unknown",
-		},
 		{
 			name: "UnknownSpec",
 			service: &specETH2Client{