PrivValidator interface

types/priv_validator.go

@@ -46,38 +46,43 @@ type Signer interface {
 // DefaultSigner implements Signer.
 // It uses a standard crypto.PrivKey.
 type DefaultSigner struct {
-	priv crypto.PrivKey
+	PrivKey crypto.PrivKey `json:"priv_key"`
 }
 
 // NewDefaultSigner returns an instance of DefaultSigner.
 func NewDefaultSigner(priv crypto.PrivKey) *DefaultSigner {
-	return &DefaultSigner{priv: priv}
+	return &DefaultSigner{PrivKey: priv}
 }
 
 // Sign implements Signer. It signs the byte slice with a private key.
 func (ds *DefaultSigner) Sign(msg []byte) (crypto.Signature, error) {
-	return ds.priv.Sign(msg), nil
+	return ds.PrivKey.Sign(msg), nil
 }
 
 // PubKey implements Signer. It should return the public key that corresponds
 // to the private key used for signing.
 func (ds *DefaultSigner) PubKey() crypto.PubKey {
-	return ds.priv.PubKey()
+	return ds.PrivKey.PubKey()
 }
 
-// PrivValidator implements the functionality for signing blocks.
-type PrivValidator struct {
-	Address       data.Bytes       `json:"address"`
-	PubKey        crypto.PubKey    `json:"pub_key"`
-	LastHeight    int              `json:"last_height"`
-	LastRound     int              `json:"last_round"`
-	LastStep      int8             `json:"last_step"`
-	LastSignature crypto.Signature `json:"last_signature,omitempty"` // so we dont lose signatures
-	LastSignBytes data.Bytes       `json:"last_signbytes,omitempty"` // so we dont lose signatures
+type PrivValidator interface {
+	Address() data.Bytes // redundant since .PubKey().Address()
+	PubKey() crypto.PubKey
 
-	// PrivKey should be empty if a Signer other than the default is being used.
-	PrivKey crypto.PrivKey `json:"priv_key"`
-	Signer  `json:"-"`
+	SignVote(chainID string, vote *Vote) error
+	SignProposal(chainID string, proposal *Proposal) error
+	SignHeartbeat(chainID string, heartbeat *Heartbeat) error
+
+	Reset()
+
+	SetFile(file string)
+	Save()
+}
+
+// DefaultPrivValidator implements the functionality for signing blocks.
+type DefaultPrivValidator struct {
+	Info   PrivValidatorInfo `json:"info"`
+	Signer *DefaultSigner    `json:"signer"`
 
 	// For persistence.
 	// Overloaded for testing.
@@ -85,8 +90,26 @@ type PrivValidator struct {
 	mtx      sync.Mutex
 }
 
-func LoadOrGenPrivValidator(filePath string) *PrivValidator {
-	var privValidator *PrivValidator
+func (pv *DefaultPrivValidator) Address() data.Bytes {
+	return pv.Info.Address
+}
+
+func (pv *DefaultPrivValidator) PubKey() crypto.PubKey {
+	return pv.Info.PubKey
+}
+
+type PrivValidatorInfo struct {
+	Address       data.Bytes       `json:"address"`
+	PubKey        crypto.PubKey    `json:"pub_key"`
+	LastHeight    int              `json:"last_height"`
+	LastRound     int              `json:"last_round"`
+	LastStep      int8             `json:"last_step"`
+	LastSignature crypto.Signature `json:"last_signature,omitempty"` // so we dont lose signatures
+	LastSignBytes data.Bytes       `json:"last_signbytes,omitempty"` // so we dont lose signatures
+}
+
+func LoadOrGenPrivValidator(filePath string) *DefaultPrivValidator {
+	var privValidator *DefaultPrivValidator
 	if _, err := os.Stat(filePath); err == nil {
 		privValidator = LoadPrivValidator(filePath)
 	} else {
@@ -97,34 +120,33 @@ func LoadOrGenPrivValidator(filePath string) *PrivValidator {
 	return privValidator
 }
 
-func LoadPrivValidator(filePath string) *PrivValidator {
+func LoadPrivValidator(filePath string) *DefaultPrivValidator {
 	privValJSONBytes, err := ioutil.ReadFile(filePath)
 	if err != nil {
 		Exit(err.Error())
 	}
-	privVal := PrivValidator{}
+	privVal := DefaultPrivValidator{}
 	err = json.Unmarshal(privValJSONBytes, &privVal)
 	if err != nil {
 		Exit(Fmt("Error reading PrivValidator from %v: %v\n", filePath, err))
 	}
 
 	privVal.filePath = filePath
-	privVal.Signer = NewDefaultSigner(privVal.PrivKey)
-	privVal.setPubKeyAndAddress()
 	return &privVal
 }
 
 // Generates a new validator with private key.
-func GenPrivValidator() *PrivValidator {
+func GenPrivValidator() *DefaultPrivValidator {
 	privKey := crypto.GenPrivKeyEd25519().Wrap()
 	pubKey := privKey.PubKey()
-	return &PrivValidator{
-		Address:  pubKey.Address(),
-		PubKey:   pubKey,
-		PrivKey:  privKey,
-		LastStep: stepNone,
-		filePath: "",
+	return &DefaultPrivValidator{
+		Info: PrivValidatorInfo{
+			Address:  pubKey.Address(),
+			PubKey:   pubKey,
+			LastStep: stepNone,
+		},
 		Signer:   NewDefaultSigner(privKey),
+		filePath: "",
 	}
 }
 
@@ -132,40 +154,37 @@ func GenPrivValidator() *PrivValidator {
 // signer object. Tendermint tracks state in the PrivValidator that might be
 // saved to disk. Please supply a filepath where Tendermint can save the
 // private validator.
-func LoadPrivValidatorWithSigner(signer Signer, filePath string) *PrivValidator {
-	return &PrivValidator{
-		Address:  signer.PubKey().Address(),
-		PubKey:   signer.PubKey(),
-		LastStep: stepNone,
-		filePath: filePath,
+func LoadPrivValidatorWithSigner(signer *DefaultSigner, filePath string) *DefaultPrivValidator {
+	return &DefaultPrivValidator{
+		Info: PrivValidatorInfo{
+			Address:  signer.PubKey().Address(),
+			PubKey:   signer.PubKey(),
+			LastStep: stepNone,
+		},
 		Signer:   signer,
+		filePath: filePath,
 	}
 }
 
-func (privVal *PrivValidator) SetSigner(s Signer) {
-	privVal.Signer = s
-	privVal.setPubKeyAndAddress()
-}
-
 // Overwrite address and pubkey for convenience
-func (privVal *PrivValidator) setPubKeyAndAddress() {
+/*func (privVal *DefaultPrivValidator) setPubKeyAndAddress() {
 	privVal.PubKey = privVal.Signer.PubKey()
 	privVal.Address = privVal.PubKey.Address()
-}
+}*/
 
-func (privVal *PrivValidator) SetFile(filePath string) {
+func (privVal *DefaultPrivValidator) SetFile(filePath string) {
 	privVal.mtx.Lock()
 	defer privVal.mtx.Unlock()
 	privVal.filePath = filePath
 }
 
-func (privVal *PrivValidator) Save() {
+func (privVal *DefaultPrivValidator) Save() {
 	privVal.mtx.Lock()
 	defer privVal.mtx.Unlock()
 	privVal.save()
 }
 
-func (privVal *PrivValidator) save() {
+func (privVal *DefaultPrivValidator) save() {
 	if privVal.filePath == "" {
 		PanicSanity("Cannot save PrivValidator: filePath not set")
 	}
@@ -182,20 +201,20 @@ func (privVal *PrivValidator) save() {
 }
 
 // NOTE: Unsafe!
-func (privVal *PrivValidator) Reset() {
-	privVal.LastHeight = 0
-	privVal.LastRound = 0
-	privVal.LastStep = 0
-	privVal.LastSignature = crypto.Signature{}
-	privVal.LastSignBytes = nil
+func (privVal *DefaultPrivValidator) Reset() {
+	privVal.Info.LastHeight = 0
+	privVal.Info.LastRound = 0
+	privVal.Info.LastStep = 0
+	privVal.Info.LastSignature = crypto.Signature{}
+	privVal.Info.LastSignBytes = nil
 	privVal.Save()
 }
 
-func (privVal *PrivValidator) GetAddress() []byte {
-	return privVal.Address
+func (privVal *DefaultPrivValidator) GetAddress() []byte {
+	return privVal.Address()
 }
 
-func (privVal *PrivValidator) SignVote(chainID string, vote *Vote) error {
+func (privVal *DefaultPrivValidator) SignVote(chainID string, vote *Vote) error {
 	privVal.mtx.Lock()
 	defer privVal.mtx.Unlock()
 	signature, err := privVal.signBytesHRS(vote.Height, vote.Round, voteToStep(vote), SignBytes(chainID, vote))
@@ -206,7 +225,7 @@ func (privVal *PrivValidator) SignVote(chainID string, vote *Vote) error {
 	return nil
 }
 
-func (privVal *PrivValidator) SignProposal(chainID string, proposal *Proposal) error {
+func (privVal *DefaultPrivValidator) SignProposal(chainID string, proposal *Proposal) error {
 	privVal.mtx.Lock()
 	defer privVal.mtx.Unlock()
 	signature, err := privVal.signBytesHRS(proposal.Height, proposal.Round, stepPropose, SignBytes(chainID, proposal))
@@ -218,33 +237,34 @@ func (privVal *PrivValidator) SignProposal(chainID string, proposal *Proposal) e
 }
 
 // check if there's a regression. Else sign and write the hrs+signature to disk
-func (privVal *PrivValidator) signBytesHRS(height, round int, step int8, signBytes []byte) (crypto.Signature, error) {
+func (privVal *DefaultPrivValidator) signBytesHRS(height, round int, step int8, signBytes []byte) (crypto.Signature, error) {
 	sig := crypto.Signature{}
+	info := privVal.Info
 	// If height regression, err
-	if privVal.LastHeight > height {
+	if info.LastHeight > height {
 		return sig, errors.New("Height regression")
 	}
 	// More cases for when the height matches
-	if privVal.LastHeight == height {
+	if info.LastHeight == height {
 		// If round regression, err
-		if privVal.LastRound > round {
+		if info.LastRound > round {
 			return sig, errors.New("Round regression")
 		}
 		// If step regression, err
-		if privVal.LastRound == round {
-			if privVal.LastStep > step {
+		if info.LastRound == round {
+			if info.LastStep > step {
 				return sig, errors.New("Step regression")
-			} else if privVal.LastStep == step {
-				if privVal.LastSignBytes != nil {
-					if privVal.LastSignature.Empty() {
+			} else if info.LastStep == step {
+				if info.LastSignBytes != nil {
+					if info.LastSignature.Empty() {
 						PanicSanity("privVal: LastSignature is nil but LastSignBytes is not!")
 					}
 					// so we dont sign a conflicting vote or proposal
 					// NOTE: proposals are non-deterministic (include time),
 					// so we can actually lose them, but will still never sign conflicting ones
-					if bytes.Equal(privVal.LastSignBytes, signBytes) {
-						// log.Notice("Using privVal.LastSignature", "sig", privVal.LastSignature)
-						return privVal.LastSignature, nil
+					if bytes.Equal(info.LastSignBytes, signBytes) {
+						// log.Notice("Using info.LastSignature", "sig", info.LastSignature)
+						return info.LastSignature, nil
 					}
 				}
 				return sig, errors.New("Step regression")
@@ -253,45 +273,46 @@ func (privVal *PrivValidator) signBytesHRS(height, round int, step int8, signByt
 	}
 
 	// Sign
-	sig, err := privVal.Sign(signBytes)
+	sig, err := privVal.Signer.Sign(signBytes)
 	if err != nil {
 		return sig, err
 	}
 
 	// Persist height/round/step
-	privVal.LastHeight = height
-	privVal.LastRound = round
-	privVal.LastStep = step
-	privVal.LastSignature = sig
-	privVal.LastSignBytes = signBytes
+	privVal.Info.LastHeight = height
+	privVal.Info.LastRound = round
+	privVal.Info.LastStep = step
+	privVal.Info.LastSignature = sig
+	privVal.Info.LastSignBytes = signBytes
 	privVal.save()
 
 	return sig, nil
 
 }
 
-func (privVal *PrivValidator) SignHeartbeat(chainID string, heartbeat *Heartbeat) error {
+func (privVal *DefaultPrivValidator) SignHeartbeat(chainID string, heartbeat *Heartbeat) error {
 	privVal.mtx.Lock()
 	defer privVal.mtx.Unlock()
 	var err error
-	heartbeat.Signature, err = privVal.Sign(SignBytes(chainID, heartbeat))
+	heartbeat.Signature, err = privVal.Signer.Sign(SignBytes(chainID, heartbeat))
 	return err
 }
 
-func (privVal *PrivValidator) String() string {
-	return fmt.Sprintf("PrivValidator{%v LH:%v, LR:%v, LS:%v}", privVal.Address, privVal.LastHeight, privVal.LastRound, privVal.LastStep)
+func (privVal *DefaultPrivValidator) String() string {
+	info := privVal.Info
+	return fmt.Sprintf("PrivValidator{%v LH:%v, LR:%v, LS:%v}", info.Address, info.LastHeight, info.LastRound, info.LastStep)
 }
 
 //-------------------------------------
 
-type PrivValidatorsByAddress []*PrivValidator
+type PrivValidatorsByAddress []*DefaultPrivValidator
 
 func (pvs PrivValidatorsByAddress) Len() int {
 	return len(pvs)
 }
 
 func (pvs PrivValidatorsByAddress) Less(i, j int) bool {
-	return bytes.Compare(pvs[i].Address, pvs[j].Address) == -1
+	return bytes.Compare(pvs[i].Info.Address, pvs[j].Info.Address) == -1
 }
 
 func (pvs PrivValidatorsByAddress) Swap(i, j int) {

types/priv_validator_test.go

@@ -29,29 +29,34 @@ func TestLoadValidator(t *testing.T) {
 	require.Nil(err, "%+v", err)
 
 	serialized := fmt.Sprintf(`{
-  "address": "%s",
-  "pub_key": {
-    "type": "ed25519",
-    "data": "%s"
+  "info": {
+    "address": "%s",
+    "pub_key": {
+      "type": "ed25519",
+      "data": "%s"
+    },
+    "last_height": 0,
+    "last_round": 0,
+    "last_step": 0,
+    "last_signature": null
   },
-  "priv_key": {
-    "type": "ed25519",
-    "data": "%s"
-  },
-  "last_height": 0,
-  "last_round": 0,
-  "last_step": 0,
-  "last_signature": null
+  "signer": {
+    "priv_key": {
+      "type": "ed25519",
+      "data": "%s"
+    }
+  }
 }`, addrStr, pubStr, privStr)
 
-	val := PrivValidator{}
+	val := DefaultPrivValidator{}
 	err = json.Unmarshal([]byte(serialized), &val)
 	require.Nil(err, "%+v", err)
 
 	// make sure the values match
-	assert.EqualValues(addrBytes, val.Address)
-	assert.EqualValues(pubKey, val.PubKey)
-	assert.EqualValues(privKey, val.PrivKey)
+	assert.EqualValues(addrBytes, val.Address())
+	assert.EqualValues(pubKey, val.PubKey())
+	valPrivKey := val.Signer.PrivKey
+	assert.EqualValues(privKey, valPrivKey)
 
 	// export it and make sure it is the same
 	out, err := json.Marshal(val)

types/proposal_test.go

@@ -30,15 +30,15 @@ func BenchmarkProposalWriteSignBytes(b *testing.B) {
 func BenchmarkProposalSign(b *testing.B) {
 	privVal := GenPrivValidator()
 	for i := 0; i < b.N; i++ {
-		privVal.Sign(SignBytes("test_chain_id", testProposal))
+		privVal.Signer.Sign(SignBytes("test_chain_id", testProposal))
 	}
 }
 
 func BenchmarkProposalVerifySignature(b *testing.B) {
 	signBytes := SignBytes("test_chain_id", testProposal)
 	privVal := GenPrivValidator()
-	signature, _ := privVal.Sign(signBytes)
-	pubKey := privVal.PubKey
+	signature, _ := privVal.Signer.Sign(signBytes)
+	pubKey := privVal.PubKey()
 
 	for i := 0; i < b.N; i++ {
 		pubKey.VerifyBytes(SignBytes("test_chain_id", testProposal), signature)

types/validator.go

@@ -106,7 +106,7 @@ func (vc validatorCodec) Compare(o1 interface{}, o2 interface{}) int {
 //--------------------------------------------------------------------------------
 // For testing...
 
-func RandValidator(randPower bool, minPower int64) (*Validator, *PrivValidator) {
+func RandValidator(randPower bool, minPower int64) (*Validator, *DefaultPrivValidator) {
 	privVal := GenPrivValidator()
 	_, tempFilePath := cmn.Tempfile("priv_validator_")
 	privVal.SetFile(tempFilePath)
@@ -114,6 +114,6 @@ func RandValidator(randPower bool, minPower int64) (*Validator, *PrivValidator)
 	if randPower {
 		votePower += int64(cmn.RandUint32())
 	}
-	val := NewValidator(privVal.PubKey, votePower)
+	val := NewValidator(privVal.PubKey(), votePower)
 	return val, privVal
 }

types/validator_set.go

@@ -369,9 +369,9 @@ func (ac accumComparable) Less(o interface{}) bool {
 // For testing
 
 // NOTE: PrivValidator are in order.
-func RandValidatorSet(numValidators int, votingPower int64) (*ValidatorSet, []*PrivValidator) {
+func RandValidatorSet(numValidators int, votingPower int64) (*ValidatorSet, []*DefaultPrivValidator) {
 	vals := make([]*Validator, numValidators)
-	privValidators := make([]*PrivValidator, numValidators)
+	privValidators := make([]*DefaultPrivValidator, numValidators)
 	for i := 0; i < numValidators; i++ {
 		val, privValidator := RandValidator(false, votingPower)
 		vals[i] = val

types/vote_set_test.go

@@ -11,7 +11,7 @@ import (
 )
 
 // NOTE: privValidators are in order
-func randVoteSet(height int, round int, type_ byte, numValidators int, votingPower int64) (*VoteSet, *ValidatorSet, []*PrivValidator) {
+func randVoteSet(height int, round int, type_ byte, numValidators int, votingPower int64) (*VoteSet, *ValidatorSet, []*DefaultPrivValidator) {
 	valSet, privValidators := RandValidatorSet(numValidators, votingPower)
 	return NewVoteSet("test_chain_id", height, round, type_, valSet), valSet, privValidators
 }
@@ -59,9 +59,9 @@ func withBlockPartsHeader(vote *Vote, blockPartsHeader PartSetHeader) *Vote {
 	return vote
 }
 
-func signAddVote(privVal *PrivValidator, vote *Vote, voteSet *VoteSet) (bool, error) {
+func signAddVote(privVal *DefaultPrivValidator, vote *Vote, voteSet *VoteSet) (bool, error) {
 	var err error
-	vote.Signature, err = privVal.Sign(SignBytes(voteSet.ChainID(), vote))
+	vote.Signature, err = privVal.Signer.Sign(SignBytes(voteSet.ChainID(), vote))
 	if err != nil {
 		return false, err
 	}
@@ -76,7 +76,7 @@ func TestAddVote(t *testing.T) {
 
 	// t.Logf(">> %v", voteSet)
 
-	if voteSet.GetByAddress(val0.Address) != nil {
+	if voteSet.GetByAddress(val0.Address()) != nil {
 		t.Errorf("Expected GetByAddress(val0.Address) to be nil")
 	}
 	if voteSet.BitArray().GetIndex(0) {
@@ -88,7 +88,7 @@ func TestAddVote(t *testing.T) {
 	}
 
 	vote := &Vote{
-		ValidatorAddress: val0.Address,
+		ValidatorAddress: val0.Address(),
 		ValidatorIndex:   0, // since privValidators are in order
 		Height:           height,
 		Round:            round,
@@ -100,7 +100,7 @@ func TestAddVote(t *testing.T) {
 		t.Error(err)
 	}
 
-	if voteSet.GetByAddress(val0.Address) == nil {
+	if voteSet.GetByAddress(val0.Address()) == nil {
 		t.Errorf("Expected GetByAddress(val0.Address) to be present")
 	}
 	if !voteSet.BitArray().GetIndex(0) {
@@ -126,7 +126,7 @@ func Test2_3Majority(t *testing.T) {
 	}
 	// 6 out of 10 voted for nil.
 	for i := 0; i < 6; i++ {
-		vote := withValidator(voteProto, privValidators[i].Address, i)
+		vote := withValidator(voteProto, privValidators[i].Address(), i)
 		signAddVote(privValidators[i], vote, voteSet)
 	}
 	blockID, ok := voteSet.TwoThirdsMajority()
@@ -136,7 +136,7 @@ func Test2_3Majority(t *testing.T) {
 
 	// 7th validator voted for some blockhash
 	{
-		vote := withValidator(voteProto, privValidators[6].Address, 6)
+		vote := withValidator(voteProto, privValidators[6].Address(), 6)
 		signAddVote(privValidators[6], withBlockHash(vote, RandBytes(32)), voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
 		if ok || !blockID.IsZero() {
@@ -146,7 +146,7 @@ func Test2_3Majority(t *testing.T) {
 
 	// 8th validator voted for nil.
 	{
-		vote := withValidator(voteProto, privValidators[7].Address, 7)
+		vote := withValidator(voteProto, privValidators[7].Address(), 7)
 		signAddVote(privValidators[7], vote, voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
 		if !ok || !blockID.IsZero() {
@@ -174,7 +174,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 66 out of 100 voted for nil.
 	for i := 0; i < 66; i++ {
-		vote := withValidator(voteProto, privValidators[i].Address, i)
+		vote := withValidator(voteProto, privValidators[i].Address(), i)
 		signAddVote(privValidators[i], vote, voteSet)
 	}
 	blockID, ok := voteSet.TwoThirdsMajority()
@@ -184,7 +184,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 67th validator voted for nil
 	{
-		vote := withValidator(voteProto, privValidators[66].Address, 66)
+		vote := withValidator(voteProto, privValidators[66].Address(), 66)
 		signAddVote(privValidators[66], withBlockHash(vote, nil), voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
 		if ok || !blockID.IsZero() {
@@ -194,7 +194,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 68th validator voted for a different BlockParts PartSetHeader
 	{
-		vote := withValidator(voteProto, privValidators[67].Address, 67)
+		vote := withValidator(voteProto, privValidators[67].Address(), 67)
 		blockPartsHeader := PartSetHeader{blockPartsTotal, crypto.CRandBytes(32)}
 		signAddVote(privValidators[67], withBlockPartsHeader(vote, blockPartsHeader), voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
@@ -205,7 +205,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 69th validator voted for different BlockParts Total
 	{
-		vote := withValidator(voteProto, privValidators[68].Address, 68)
+		vote := withValidator(voteProto, privValidators[68].Address(), 68)
 		blockPartsHeader := PartSetHeader{blockPartsTotal + 1, blockPartsHeader.Hash}
 		signAddVote(privValidators[68], withBlockPartsHeader(vote, blockPartsHeader), voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
@@ -216,7 +216,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 70th validator voted for different BlockHash
 	{
-		vote := withValidator(voteProto, privValidators[69].Address, 69)
+		vote := withValidator(voteProto, privValidators[69].Address(), 69)
 		signAddVote(privValidators[69], withBlockHash(vote, RandBytes(32)), voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
 		if ok || !blockID.IsZero() {
@@ -226,7 +226,7 @@ func Test2_3MajorityRedux(t *testing.T) {
 
 	// 71st validator voted for the right BlockHash & BlockPartsHeader
 	{
-		vote := withValidator(voteProto, privValidators[70].Address, 70)
+		vote := withValidator(voteProto, privValidators[70].Address(), 70)
 		signAddVote(privValidators[70], vote, voteSet)
 		blockID, ok = voteSet.TwoThirdsMajority()
 		if !ok || !blockID.Equals(BlockID{blockHash, blockPartsHeader}) {
@@ -250,7 +250,7 @@ func TestBadVotes(t *testing.T) {
 
 	// val0 votes for nil.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], vote, voteSet)
 		if !added || err != nil {
 			t.Errorf("Expected VoteSet.Add to succeed")
@@ -259,7 +259,7 @@ func TestBadVotes(t *testing.T) {
 
 	// val0 votes again for some block.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], withBlockHash(vote, RandBytes(32)), voteSet)
 		if added || err == nil {
 			t.Errorf("Expected VoteSet.Add to fail, conflicting vote.")
@@ -268,7 +268,7 @@ func TestBadVotes(t *testing.T) {
 
 	// val1 votes on another height
 	{
-		vote := withValidator(voteProto, privValidators[1].Address, 1)
+		vote := withValidator(voteProto, privValidators[1].Address(), 1)
 		added, err := signAddVote(privValidators[1], withHeight(vote, height+1), voteSet)
 		if added || err == nil {
 			t.Errorf("Expected VoteSet.Add to fail, wrong height")
@@ -277,7 +277,7 @@ func TestBadVotes(t *testing.T) {
 
 	// val2 votes on another round
 	{
-		vote := withValidator(voteProto, privValidators[2].Address, 2)
+		vote := withValidator(voteProto, privValidators[2].Address(), 2)
 		added, err := signAddVote(privValidators[2], withRound(vote, round+1), voteSet)
 		if added || err == nil {
 			t.Errorf("Expected VoteSet.Add to fail, wrong round")
@@ -286,7 +286,7 @@ func TestBadVotes(t *testing.T) {
 
 	// val3 votes of another type.
 	{
-		vote := withValidator(voteProto, privValidators[3].Address, 3)
+		vote := withValidator(voteProto, privValidators[3].Address(), 3)
 		added, err := signAddVote(privValidators[3], withType(vote, VoteTypePrecommit), voteSet)
 		if added || err == nil {
 			t.Errorf("Expected VoteSet.Add to fail, wrong type")
@@ -311,7 +311,7 @@ func TestConflicts(t *testing.T) {
 
 	// val0 votes for nil.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], vote, voteSet)
 		if !added || err != nil {
 			t.Errorf("Expected VoteSet.Add to succeed")
@@ -320,7 +320,7 @@ func TestConflicts(t *testing.T) {
 
 	// val0 votes again for blockHash1.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], withBlockHash(vote, blockHash1), voteSet)
 		if added {
 			t.Errorf("Expected VoteSet.Add to fail, conflicting vote.")
@@ -335,7 +335,7 @@ func TestConflicts(t *testing.T) {
 
 	// val0 votes again for blockHash1.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], withBlockHash(vote, blockHash1), voteSet)
 		if !added {
 			t.Errorf("Expected VoteSet.Add to succeed, called SetPeerMaj23().")
@@ -350,7 +350,7 @@ func TestConflicts(t *testing.T) {
 
 	// val0 votes again for blockHash1.
 	{
-		vote := withValidator(voteProto, privValidators[0].Address, 0)
+		vote := withValidator(voteProto, privValidators[0].Address(), 0)
 		added, err := signAddVote(privValidators[0], withBlockHash(vote, blockHash2), voteSet)
 		if added {
 			t.Errorf("Expected VoteSet.Add to fail, duplicate SetPeerMaj23() from peerA")
@@ -362,7 +362,7 @@ func TestConflicts(t *testing.T) {
 
 	// val1 votes for blockHash1.
 	{
-		vote := withValidator(voteProto, privValidators[1].Address, 1)
+		vote := withValidator(voteProto, privValidators[1].Address(), 1)
 		added, err := signAddVote(privValidators[1], withBlockHash(vote, blockHash1), voteSet)
 		if !added || err != nil {
 			t.Errorf("Expected VoteSet.Add to succeed")
@@ -379,7 +379,7 @@ func TestConflicts(t *testing.T) {
 
 	// val2 votes for blockHash2.
 	{
-		vote := withValidator(voteProto, privValidators[2].Address, 2)
+		vote := withValidator(voteProto, privValidators[2].Address(), 2)
 		added, err := signAddVote(privValidators[2], withBlockHash(vote, blockHash2), voteSet)
 		if !added || err != nil {
 			t.Errorf("Expected VoteSet.Add to succeed")
@@ -399,7 +399,7 @@ func TestConflicts(t *testing.T) {
 
 	// val2 votes for blockHash1.
 	{
-		vote := withValidator(voteProto, privValidators[2].Address, 2)
+		vote := withValidator(voteProto, privValidators[2].Address(), 2)
 		added, err := signAddVote(privValidators[2], withBlockHash(vote, blockHash1), voteSet)
 		if !added {
 			t.Errorf("Expected VoteSet.Add to succeed")
@@ -439,7 +439,7 @@ func TestMakeCommit(t *testing.T) {
 
 	// 6 out of 10 voted for some block.
 	for i := 0; i < 6; i++ {
-		vote := withValidator(voteProto, privValidators[i].Address, i)
+		vote := withValidator(voteProto, privValidators[i].Address(), i)
 		signAddVote(privValidators[i], vote, voteSet)
 	}
 
@@ -448,7 +448,7 @@ func TestMakeCommit(t *testing.T) {
 
 	// 7th voted for some other block.
 	{
-		vote := withValidator(voteProto, privValidators[6].Address, 6)
+		vote := withValidator(voteProto, privValidators[6].Address(), 6)
 		vote = withBlockHash(vote, RandBytes(32))
 		vote = withBlockPartsHeader(vote, PartSetHeader{123, RandBytes(32)})
 		signAddVote(privValidators[6], vote, voteSet)
@@ -456,7 +456,7 @@ func TestMakeCommit(t *testing.T) {
 
 	// The 8th voted like everyone else.
 	{
-		vote := withValidator(voteProto, privValidators[7].Address, 7)
+		vote := withValidator(voteProto, privValidators[7].Address(), 7)
 		signAddVote(privValidators[7], vote, voteSet)
 	}