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package privval
import (
"encoding/base64"
"fmt"
"io/ioutil"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/crypto/tmhash"
tmjson "github.com/tendermint/tendermint/libs/json"
tmrand "github.com/tendermint/tendermint/libs/rand"
tmproto "github.com/tendermint/tendermint/proto/types"
"github.com/tendermint/tendermint/types"
tmtime "github.com/tendermint/tendermint/types/time"
)
func TestGenLoadValidator(t *testing.T) {
assert := assert.New(t)
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
privVal := GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
height := int64(100)
privVal.LastSignState.Height = height
privVal.Save()
addr := privVal.GetAddress()
privVal = LoadFilePV(tempKeyFile.Name(), tempStateFile.Name())
assert.Equal(addr, privVal.GetAddress(), "expected privval addr to be the same")
assert.Equal(height, privVal.LastSignState.Height, "expected privval.LastHeight to have been saved")
}
func TestResetValidator(t *testing.T) {
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
privVal := GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
emptyState := FilePVLastSignState{filePath: tempStateFile.Name()}
// new priv val has empty state
assert.Equal(t, privVal.LastSignState, emptyState)
// test vote
height, round := int64(10), int32(1)
voteType := tmproto.PrevoteType
randBytes := tmrand.Bytes(tmhash.Size)
blockID := types.BlockID{Hash: randBytes, PartsHeader: types.PartSetHeader{}}
vote := newVote(privVal.Key.Address, 0, height, round, voteType, blockID)
err = privVal.SignVote("mychainid", vote.ToProto())
assert.NoError(t, err, "expected no error signing vote")
// priv val after signing is not same as empty
assert.NotEqual(t, privVal.LastSignState, emptyState)
// priv val after AcceptNewConnection is same as empty
privVal.Reset()
assert.Equal(t, privVal.LastSignState, emptyState)
}
func TestLoadOrGenValidator(t *testing.T) {
assert := assert.New(t)
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
tempKeyFilePath := tempKeyFile.Name()
if err := os.Remove(tempKeyFilePath); err != nil {
t.Error(err)
}
tempStateFilePath := tempStateFile.Name()
if err := os.Remove(tempStateFilePath); err != nil {
t.Error(err)
}
privVal := LoadOrGenFilePV(tempKeyFilePath, tempStateFilePath)
addr := privVal.GetAddress()
privVal = LoadOrGenFilePV(tempKeyFilePath, tempStateFilePath)
assert.Equal(addr, privVal.GetAddress(), "expected privval addr to be the same")
}
func TestUnmarshalValidatorState(t *testing.T) {
assert, require := assert.New(t), require.New(t)
// create some fixed values
serialized := `{
"height": "1",
"round": 1,
"step": 1
}`
val := FilePVLastSignState{}
err := tmjson.Unmarshal([]byte(serialized), &val)
require.Nil(err, "%+v", err)
// make sure the values match
assert.EqualValues(val.Height, 1)
assert.EqualValues(val.Round, 1)
assert.EqualValues(val.Step, 1)
// export it and make sure it is the same
out, err := tmjson.Marshal(val)
require.Nil(err, "%+v", err)
assert.JSONEq(serialized, string(out))
}
func TestUnmarshalValidatorKey(t *testing.T) {
assert, require := assert.New(t), require.New(t)
// create some fixed values
privKey := ed25519.GenPrivKey()
pubKey := privKey.PubKey()
addr := pubKey.Address()
pubBytes := pubKey.Bytes()
privBytes := privKey.Bytes()
pubB64 := base64.StdEncoding.EncodeToString(pubBytes)
privB64 := base64.StdEncoding.EncodeToString(privBytes)
serialized := fmt.Sprintf(`{
"address": "%s",
"pub_key": {
"type": "tendermint/PubKeyEd25519",
"value": "%s"
},
"priv_key": {
"type": "tendermint/PrivKeyEd25519",
"value": "%s"
}
}`, addr, pubB64, privB64)
val := FilePVKey{}
err := tmjson.Unmarshal([]byte(serialized), &val)
require.Nil(err, "%+v", err)
// make sure the values match
assert.EqualValues(addr, val.Address)
assert.EqualValues(pubKey, val.PubKey)
assert.EqualValues(privKey, val.PrivKey)
// export it and make sure it is the same
out, err := tmjson.Marshal(val)
require.Nil(err, "%+v", err)
assert.JSONEq(serialized, string(out))
}
func TestSignVote(t *testing.T) {
assert := assert.New(t)
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
privVal := GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
randbytes := tmrand.Bytes(tmhash.Size)
randbytes2 := tmrand.Bytes(tmhash.Size)
block1 := types.BlockID{Hash: randbytes,
PartsHeader: types.PartSetHeader{Total: 5, Hash: randbytes}}
block2 := types.BlockID{Hash: randbytes2,
PartsHeader: types.PartSetHeader{Total: 10, Hash: randbytes2}}
height, round := int64(10), int32(1)
voteType := tmproto.PrevoteType
// sign a vote for first time
vote := newVote(privVal.Key.Address, 0, height, round, voteType, block1)
v := vote.ToProto()
err = privVal.SignVote("mychainid", v)
assert.NoError(err, "expected no error signing vote")
// try to sign the same vote again; should be fine
err = privVal.SignVote("mychainid", v)
assert.NoError(err, "expected no error on signing same vote")
// now try some bad votes
cases := []*types.Vote{
newVote(privVal.Key.Address, 0, height, round-1, voteType, block1), // round regression
newVote(privVal.Key.Address, 0, height-1, round, voteType, block1), // height regression
newVote(privVal.Key.Address, 0, height-2, round+4, voteType, block1), // height regression and different round
newVote(privVal.Key.Address, 0, height, round, voteType, block2), // different block
}
for _, c := range cases {
cpb := c.ToProto()
err = privVal.SignVote("mychainid", cpb)
assert.Error(err, "expected error on signing conflicting vote")
}
// try signing a vote with a different time stamp
sig := vote.Signature
vote.Timestamp = vote.Timestamp.Add(time.Duration(1000))
err = privVal.SignVote("mychainid", v)
assert.NoError(err)
assert.Equal(sig, vote.Signature)
}
func TestSignProposal(t *testing.T) {
assert := assert.New(t)
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
privVal := GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
randbytes := tmrand.Bytes(tmhash.Size)
randbytes2 := tmrand.Bytes(tmhash.Size)
block1 := types.BlockID{Hash: randbytes,
PartsHeader: types.PartSetHeader{Total: 5, Hash: randbytes}}
block2 := types.BlockID{Hash: randbytes2,
PartsHeader: types.PartSetHeader{Total: 10, Hash: randbytes2}}
height, round := int64(10), int32(1)
// sign a proposal for first time
proposal := newProposal(height, round, block1)
pbp := proposal.ToProto()
err = privVal.SignProposal("mychainid", pbp)
assert.NoError(err, "expected no error signing proposal")
// try to sign the same proposal again; should be fine
err = privVal.SignProposal("mychainid", pbp)
assert.NoError(err, "expected no error on signing same proposal")
// now try some bad Proposals
cases := []*types.Proposal{
newProposal(height, round-1, block1), // round regression
newProposal(height-1, round, block1), // height regression
newProposal(height-2, round+4, block1), // height regression and different round
newProposal(height, round, block2), // different block
}
for _, c := range cases {
err = privVal.SignProposal("mychainid", c.ToProto())
assert.Error(err, "expected error on signing conflicting proposal")
}
// try signing a proposal with a different time stamp
sig := proposal.Signature
proposal.Timestamp = proposal.Timestamp.Add(time.Duration(1000))
err = privVal.SignProposal("mychainid", pbp)
assert.NoError(err)
assert.Equal(sig, proposal.Signature)
}
func TestDifferByTimestamp(t *testing.T) {
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
require.Nil(t, err)
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
require.Nil(t, err)
privVal := GenFilePV(tempKeyFile.Name(), tempStateFile.Name())
randbytes := tmrand.Bytes(tmhash.Size)
block1 := types.BlockID{Hash: randbytes, PartsHeader: types.PartSetHeader{Total: 5, Hash: randbytes}}
height, round := int64(10), int32(1)
chainID := "mychainid"
// test proposal
{
proposal := newProposal(height, round, block1)
pb := proposal.ToProto()
err := privVal.SignProposal(chainID, pb)
assert.NoError(t, err, "expected no error signing proposal")
signBytes := types.ProposalSignBytes(chainID, pb)
sig := proposal.Signature
timeStamp := proposal.Timestamp
// manipulate the timestamp. should get changed back
pb.Timestamp = pb.Timestamp.Add(time.Millisecond)
var emptySig []byte
proposal.Signature = emptySig
err = privVal.SignProposal("mychainid", pb)
assert.NoError(t, err, "expected no error on signing same proposal")
assert.Equal(t, timeStamp, pb.Timestamp)
assert.Equal(t, signBytes, types.ProposalSignBytes(chainID, pb))
assert.Equal(t, sig, proposal.Signature)
}
// test vote
{
voteType := tmproto.PrevoteType
blockID := types.BlockID{Hash: randbytes, PartsHeader: types.PartSetHeader{}}
vote := newVote(privVal.Key.Address, 0, height, round, voteType, blockID)
v := vote.ToProto()
err := privVal.SignVote("mychainid", v)
assert.NoError(t, err, "expected no error signing vote")
signBytes := types.VoteSignBytes(chainID, v)
sig := v.Signature
timeStamp := vote.Timestamp
// manipulate the timestamp. should get changed back
v.Timestamp = v.Timestamp.Add(time.Millisecond)
var emptySig []byte
v.Signature = emptySig
err = privVal.SignVote("mychainid", v)
assert.NoError(t, err, "expected no error on signing same vote")
assert.Equal(t, timeStamp, v.Timestamp)
assert.Equal(t, signBytes, types.VoteSignBytes(chainID, v))
assert.Equal(t, sig, v.Signature)
}
}
func newVote(addr types.Address, idx int32, height int64, round int32,
typ tmproto.SignedMsgType, blockID types.BlockID) *types.Vote {
return &types.Vote{
ValidatorAddress: addr,
ValidatorIndex: idx,
Height: height,
Round: round,
Type: typ,
Timestamp: tmtime.Now(),
BlockID: blockID,
}
}
func newProposal(height int64, round int32, blockID types.BlockID) *types.Proposal {
return &types.Proposal{
Height: height,
Round: round,
BlockID: blockID,
Timestamp: tmtime.Now(),
}
}