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privval: add chainID to requests (#5239)

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## Description

Add chainid to requests to privval. This is a non-breaking change and hardware devices can opt to ignore the field.
 
Closes: #4503 

Took the approach of passing chainID to the client instead of modifying `GetPubKey` because it would lead to a larger change throughout the codebase and in some places it could get tricky to get chainID.
This commit is contained in:
Marko
2020-08-17 11:07:15 +02:00
committed by GitHub
parent 22ef3f6e7a
commit 8cdaa7f515
9 changed files with 252 additions and 62 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
CHANGELOG_PENDING.md
View File

@@ -8,6 +8,8 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
### FEATURES:
- [privval] \#5239 Add `chainID` to requests from client.
### IMPROVEMENTS:
### BUG FIXES:

8
UPGRADING.md
View File

@@ -136,9 +136,15 @@ RPC client can be found in `/rpc` directory. HTTP(S) proxy is located in
### State
A field `State.InitialHeight` has been added to record the initial chain height, which must be `1`
(not `0`) if starting from height `1`. This can be configured via the genesis field
(not `0`) if starting from height `1`. This can be configured via the genesis field
`initial_height`.
### Privval
All requests are now accompanied by the chainID from the network.
This is a optional field and can be ignored by key management systems. It
is recommended to check the chainID if using the same key management system for multiple chains.
## v0.33.4
### Go API

7
node/node.go
View File

@@ -655,7 +655,7 @@ func NewNode(config *cfg.Config,
// external signing process.
if config.PrivValidatorListenAddr != "" {
// FIXME: we should start services inside OnStart
privValidator, err = createAndStartPrivValidatorSocketClient(config.PrivValidatorListenAddr, logger)
privValidator, err = createAndStartPrivValidatorSocketClient(config.PrivValidatorListenAddr, genDoc.ChainID, logger)
if err != nil {
return nil, fmt.Errorf("error with private validator socket client: %w", err)
}
@@ -1312,7 +1312,8 @@ func saveGenesisDoc(db dbm.DB, genDoc *types.GenesisDoc) error {
}
func createAndStartPrivValidatorSocketClient(
listenAddr string,
listenAddr,
chainID string,
logger log.Logger,
) (types.PrivValidator, error) {
pve, err := privval.NewSignerListener(listenAddr, logger)
@@ -1320,7 +1321,7 @@ func createAndStartPrivValidatorSocketClient(
return nil, fmt.Errorf("failed to start private validator: %w", err)
}
pvsc, err := privval.NewSignerClient(pve)
pvsc, err := privval.NewSignerClient(pve, chainID)
if err != nil {
return nil, fmt.Errorf("failed to start private validator: %w", err)
}

13
privval/signer_client.go
View File

@@ -15,20 +15,21 @@ import (
// Handles remote validator connections that provide signing services
type SignerClient struct {
endpoint *SignerListenerEndpoint
chainID string
}
var _ types.PrivValidator = (*SignerClient)(nil)
// NewSignerClient returns an instance of SignerClient.
// it will start the endpoint (if not already started)
func NewSignerClient(endpoint *SignerListenerEndpoint) (*SignerClient, error) {
func NewSignerClient(endpoint *SignerListenerEndpoint, chainID string) (*SignerClient, error) {
if !endpoint.IsRunning() {
if err := endpoint.Start(); err != nil {
return nil, fmt.Errorf("failed to start listener endpoint: %w", err)
}
}
return &SignerClient{endpoint: endpoint}, nil
return &SignerClient{endpoint: endpoint, chainID: chainID}, nil
}
// Close closes the underlying connection
@@ -68,7 +69,7 @@ func (sc *SignerClient) Ping() error {
// GetPubKey retrieves a public key from a remote signer
// returns an error if client is not able to provide the key
func (sc *SignerClient) GetPubKey() (crypto.PubKey, error) {
response, err := sc.endpoint.SendRequest(mustWrapMsg(&privvalproto.PubKeyRequest{}))
response, err := sc.endpoint.SendRequest(mustWrapMsg(&privvalproto.PubKeyRequest{ChainId: sc.chainID}))
if err != nil {
return nil, fmt.Errorf("send: %w", err)
}
@@ -91,7 +92,7 @@ func (sc *SignerClient) GetPubKey() (crypto.PubKey, error) {
// SignVote requests a remote signer to sign a vote
func (sc *SignerClient) SignVote(chainID string, vote *tmproto.Vote) error {
response, err := sc.endpoint.SendRequest(mustWrapMsg(&privvalproto.SignVoteRequest{Vote: vote}))
response, err := sc.endpoint.SendRequest(mustWrapMsg(&privvalproto.SignVoteRequest{Vote: vote, ChainId: chainID}))
if err != nil {
return err
}
@@ -111,7 +112,9 @@ func (sc *SignerClient) SignVote(chainID string, vote *tmproto.Vote) error {
// SignProposal requests a remote signer to sign a proposal
func (sc *SignerClient) SignProposal(chainID string, proposal *tmproto.Proposal) error {
response, err := sc.endpoint.SendRequest(mustWrapMsg(&privvalproto.SignProposalRequest{Proposal: proposal}))
response, err := sc.endpoint.SendRequest(mustWrapMsg(
&privvalproto.SignProposalRequest{Proposal: proposal, ChainId: chainID},
))
if err != nil {
return err
}

2
privval/signer_client_test.go
View File

@@ -33,7 +33,7 @@ func getSignerTestCases(t *testing.T) []signerTestCase {
// get a pair of signer listener, signer dialer endpoints
sl, sd := getMockEndpoints(t, dtc.addr, dtc.dialer)
sc, err := NewSignerClient(sl)
sc, err := NewSignerClient(sl, chainID)
require.NoError(t, err)
ss := NewSignerServer(sd, chainID, mockPV)

22
privval/signer_requestHandler.go
View File

@@ -21,6 +21,13 @@ func DefaultValidationRequestHandler(
switch r := req.Sum.(type) {
case *privvalproto.Message_PubKeyRequest:
if r.PubKeyRequest.GetChainId() != chainID {
res = mustWrapMsg(&privvalproto.SignedVoteResponse{
Vote: nil, Error: &privvalproto.RemoteSignerError{
Code: 0, Description: "unable to provide pubkey"}})
return res, fmt.Errorf("want chainID: %s, got chainID: %s", r.PubKeyRequest.GetChainId(), chainID)
}
var pubKey crypto.PubKey
pubKey, err = privVal.GetPubKey()
pk, err := cryptoenc.PubKeyToProto(pubKey)
@@ -36,6 +43,13 @@ func DefaultValidationRequestHandler(
}
case *privvalproto.Message_SignVoteRequest:
if r.SignVoteRequest.ChainId != chainID {
res = mustWrapMsg(&privvalproto.SignedVoteResponse{
Vote: nil, Error: &privvalproto.RemoteSignerError{
Code: 0, Description: "unable to sign vote"}})
return res, fmt.Errorf("want chainID: %s, got chainID: %s", r.SignVoteRequest.GetChainId(), chainID)
}
vote := r.SignVoteRequest.Vote
err = privVal.SignVote(chainID, vote)
@@ -47,6 +61,14 @@ func DefaultValidationRequestHandler(
}
case *privvalproto.Message_SignProposalRequest:
if r.SignProposalRequest.GetChainId() != chainID {
res = mustWrapMsg(&privvalproto.SignedVoteResponse{
Vote: nil, Error: &privvalproto.RemoteSignerError{
Code: 0,
Description: "unable to sign proposal"}})
return res, fmt.Errorf("want chainID: %s, got chainID: %s", r.SignProposalRequest.GetChainId(), chainID)
}
proposal := r.SignProposalRequest.Proposal
err = privVal.SignProposal(chainID, proposal)

249
proto/tendermint/privval/types.pb.go
View File

@@ -5,7 +5,6 @@ package privval
import (
fmt "fmt"
_ "github.com/gogo/protobuf/gogoproto"
proto "github.com/gogo/protobuf/proto"
crypto "github.com/tendermint/tendermint/proto/tendermint/crypto"
types "github.com/tendermint/tendermint/proto/tendermint/types"
@@ -116,6 +115,7 @@ func (m *RemoteSignerError) GetDescription() string {
// PubKeyRequest requests the consensus public key from the remote signer.
type PubKeyRequest struct {
ChainId string `protobuf:"bytes,1,opt,name=chain_id,json=chainId,proto3" json:"chain_id,omitempty"`
}
func (m *PubKeyRequest) Reset() { *m = PubKeyRequest{} }
@@ -151,6 +151,13 @@ func (m *PubKeyRequest) XXX_DiscardUnknown() {
var xxx_messageInfo_PubKeyRequest proto.InternalMessageInfo
func (m *PubKeyRequest) GetChainId() string {
if m != nil {
return m.ChainId
}
return ""
}
// PubKeyResponse is a response message containing the public key.
type PubKeyResponse struct {
PubKey *crypto.PublicKey `protobuf:"bytes,1,opt,name=pub_key,json=pubKey,proto3" json:"pub_key,omitempty"`
@@ -206,7 +213,8 @@ func (m *PubKeyResponse) GetError() *RemoteSignerError {
// SignVoteRequest is a request to sign a vote
type SignVoteRequest struct {
Vote *types.Vote `protobuf:"bytes,1,opt,name=vote,proto3" json:"vote,omitempty"`
Vote *types.Vote `protobuf:"bytes,1,opt,name=vote,proto3" json:"vote,omitempty"`
ChainId string `protobuf:"bytes,2,opt,name=chain_id,json=chainId,proto3" json:"chain_id,omitempty"`
}
func (m *SignVoteRequest) Reset() { *m = SignVoteRequest{} }
@@ -249,6 +257,13 @@ func (m *SignVoteRequest) GetVote() *types.Vote {
return nil
}
func (m *SignVoteRequest) GetChainId() string {
if m != nil {
return m.ChainId
}
return ""
}
// SignedVoteResponse is a response containing a signed vote or an error
type SignedVoteResponse struct {
Vote *types.Vote `protobuf:"bytes,1,opt,name=vote,proto3" json:"vote,omitempty"`
@@ -305,6 +320,7 @@ func (m *SignedVoteResponse) GetError() *RemoteSignerError {
// SignProposalRequest is a request to sign a proposal
type SignProposalRequest struct {
Proposal *types.Proposal `protobuf:"bytes,1,opt,name=proposal,proto3" json:"proposal,omitempty"`
ChainId string `protobuf:"bytes,2,opt,name=chain_id,json=chainId,proto3" json:"chain_id,omitempty"`
}
func (m *SignProposalRequest) Reset() { *m = SignProposalRequest{} }
@@ -347,6 +363,13 @@ func (m *SignProposalRequest) GetProposal() *types.Proposal {
return nil
}
func (m *SignProposalRequest) GetChainId() string {
if m != nil {
return m.ChainId
}
return ""
}
// SignedProposalResponse is response containing a signed proposal or an error
type SignedProposalResponse struct {
Proposal *types.Proposal `protobuf:"bytes,1,opt,name=proposal,proto3" json:"proposal,omitempty"`
@@ -654,52 +677,53 @@ func init() {
func init() { proto.RegisterFile("tendermint/privval/types.proto", fileDescriptor_cb4e437a5328cf9c) }
var fileDescriptor_cb4e437a5328cf9c = []byte{
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0x1d, 0x07, 0x00, 0x00,
}
func (m *RemoteSignerError) Marshal() (dAtA []byte, err error) {
@@ -757,6 +781,13 @@ func (m *PubKeyRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.ChainId) > 0 {
i -= len(m.ChainId)
copy(dAtA[i:], m.ChainId)
i = encodeVarintTypes(dAtA, i, uint64(len(m.ChainId)))
i--
dAtA[i] = 0xa
}
return len(dAtA) - i, nil
}
@@ -827,6 +858,13 @@ func (m *SignVoteRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.ChainId) > 0 {
i -= len(m.ChainId)
copy(dAtA[i:], m.ChainId)
i = encodeVarintTypes(dAtA, i, uint64(len(m.ChainId)))
i--
dAtA[i] = 0x12
}
if m.Vote != nil {
{
size, err := m.Vote.MarshalToSizedBuffer(dAtA[:i])
@@ -909,6 +947,13 @@ func (m *SignProposalRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.ChainId) > 0 {
i -= len(m.ChainId)
copy(dAtA[i:], m.ChainId)
i = encodeVarintTypes(dAtA, i, uint64(len(m.ChainId)))
i--
dAtA[i] = 0x12
}
if m.Proposal != nil {
{
size, err := m.Proposal.MarshalToSizedBuffer(dAtA[:i])
@@ -1250,6 +1295,10 @@ func (m *PubKeyRequest) Size() (n int) {
}
var l int
_ = l
l = len(m.ChainId)
if l > 0 {
n += 1 + l + sovTypes(uint64(l))
}
return n
}
@@ -1280,6 +1329,10 @@ func (m *SignVoteRequest) Size() (n int) {
l = m.Vote.Size()
n += 1 + l + sovTypes(uint64(l))
}
l = len(m.ChainId)
if l > 0 {
n += 1 + l + sovTypes(uint64(l))
}
return n
}
@@ -1310,6 +1363,10 @@ func (m *SignProposalRequest) Size() (n int) {
l = m.Proposal.Size()
n += 1 + l + sovTypes(uint64(l))
}
l = len(m.ChainId)
if l > 0 {
n += 1 + l + sovTypes(uint64(l))
}
return n
}
@@ -1596,6 +1653,38 @@ func (m *PubKeyRequest) Unmarshal(dAtA []byte) error {
return fmt.Errorf("proto: PubKeyRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field ChainId", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTypes
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthTypes
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthTypes
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.ChainId = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipTypes(dAtA[iNdEx:])
@@ -1810,6 +1899,38 @@ func (m *SignVoteRequest) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field ChainId", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTypes
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthTypes
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthTypes
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.ChainId = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipTypes(dAtA[iNdEx:])
@@ -2024,6 +2145,38 @@ func (m *SignProposalRequest) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field ChainId", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTypes
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthTypes
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthTypes
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.ChainId = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipTypes(dAtA[iNdEx:])

9
proto/tendermint/privval/types.proto
View File

@@ -1,7 +1,6 @@
syntax = "proto3";
package tendermint.privval;
import "gogoproto/gogo.proto";
import "tendermint/crypto/keys.proto";
import "tendermint/types/types.proto";
@@ -22,7 +21,9 @@ message RemoteSignerError {
}
// PubKeyRequest requests the consensus public key from the remote signer.
message PubKeyRequest {}
message PubKeyRequest {
string chain_id = 1;
}
// PubKeyResponse is a response message containing the public key.
message PubKeyResponse {
@@ -32,7 +33,8 @@ message PubKeyResponse {
// SignVoteRequest is a request to sign a vote
message SignVoteRequest {
tendermint.types.Vote vote = 1;
tendermint.types.Vote vote = 1;
string chain_id = 2;
}
// SignedVoteResponse is a response containing a signed vote or an error
@@ -44,6 +46,7 @@ message SignedVoteResponse {
// SignProposalRequest is a request to sign a proposal
message SignProposalRequest {
tendermint.types.Proposal proposal = 1;
string chain_id = 2;
}
// SignedProposalResponse is response containing a signed proposal or an error

2
tools/tm-signer-harness/internal/test_harness.go
View File

@@ -109,7 +109,7 @@ func NewTestHarness(logger log.Logger, cfg TestHarnessConfig) (*TestHarness, err
return nil, newTestHarnessError(ErrFailedToCreateListener, err, "")
}
signerClient, err := privval.NewSignerClient(spv)
signerClient, err := privval.NewSignerClient(spv, st.ChainID)
if err != nil {
return nil, newTestHarnessError(ErrFailedToCreateListener, err, "")
}