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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/types"
tmtime "github.com/tendermint/tendermint/types/time"
)
func TestGenLoadValidator(t *testing.T) {
assert := assert.New(t)
tempFile, err := ioutil.TempFile("", "priv_validator_")
require.Nil(t, err)
privVal := GenFilePV(tempFile.Name())
height := int64(100)
privVal.LastHeight = height
privVal.Save()
addr := privVal.GetAddress()
privVal = LoadFilePV(tempFile.Name())
assert.Equal(addr, privVal.GetAddress(), "expected privval addr to be the same")
assert.Equal(height, privVal.LastHeight, "expected privval.LastHeight to have been saved")
}
func TestLoadOrGenValidator(t *testing.T) {
assert := assert.New(t)
tempFile, err := ioutil.TempFile("", "priv_validator_")
require.Nil(t, err)
tempFilePath := tempFile.Name()
if err := os.Remove(tempFilePath); err != nil {
t.Error(err)
}
privVal := LoadOrGenFilePV(tempFilePath)
addr := privVal.GetAddress()
privVal = LoadOrGenFilePV(tempFilePath)
assert.Equal(addr, privVal.GetAddress(), "expected privval addr to be the same")
}
func TestUnmarshalValidator(t *testing.T) {
assert, require := assert.New(t), require.New(t)
// create some fixed values
privKey := ed25519.GenPrivKey()
pubKey := privKey.PubKey()
addr := pubKey.Address()
pubArray := [32]byte(pubKey.(ed25519.PubKeyEd25519))
pubBytes := pubArray[:]
privArray := [64]byte(privKey)
privBytes := privArray[:]
pubB64 := base64.StdEncoding.EncodeToString(pubBytes)
privB64 := base64.StdEncoding.EncodeToString(privBytes)
serialized := fmt.Sprintf(`{
"address": "%s",
"pub_key": {
"type": "tendermint/PubKeyEd25519",
"value": "%s"
},
"last_height": "0",
"last_round": "0",
"last_step": 0,
"priv_key": {
"type": "tendermint/PrivKeyEd25519",
"value": "%s"
}
}`, addr, pubB64, privB64)
val := FilePV{}
err := cdc.UnmarshalJSON([]byte(serialized), &val)
require.Nil(err, "%+v", err)
// make sure the values match
assert.EqualValues(addr, val.GetAddress())
assert.EqualValues(pubKey, val.GetPubKey())
assert.EqualValues(privKey, val.PrivKey)
// export it and make sure it is the same
out, err := cdc.MarshalJSON(val)
require.Nil(err, "%+v", err)
assert.JSONEq(serialized, string(out))
}
func TestSignVote(t *testing.T) {
assert := assert.New(t)
tempFile, err := ioutil.TempFile("", "priv_validator_")
require.Nil(t, err)
privVal := GenFilePV(tempFile.Name())
block1 := types.BlockID{[]byte{1, 2, 3}, types.PartSetHeader{}}
block2 := types.BlockID{[]byte{3, 2, 1}, types.PartSetHeader{}}
height, round := int64(10), 1
voteType := byte(types.PrevoteType)
// sign a vote for first time
vote := newVote(privVal.Address, 0, height, round, voteType, block1)
err = privVal.SignVote("mychainid", vote)
assert.NoError(err, "expected no error signing vote")
// try to sign the same vote again; should be fine
err = privVal.SignVote("mychainid", vote)
assert.NoError(err, "expected no error on signing same vote")
// now try some bad votes
cases := []*types.Vote{
newVote(privVal.Address, 0, height, round-1, voteType, block1), // round regression
newVote(privVal.Address, 0, height-1, round, voteType, block1), // height regression
newVote(privVal.Address, 0, height-2, round+4, voteType, block1), // height regression and different round
newVote(privVal.Address, 0, height, round, voteType, block2), // different block
}
for _, c := range cases {
err = privVal.SignVote("mychainid", c)
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", vote)
assert.NoError(err)
assert.Equal(sig, vote.Signature)
}
func TestSignProposal(t *testing.T) {
assert := assert.New(t)
tempFile, err := ioutil.TempFile("", "priv_validator_")
require.Nil(t, err)
privVal := GenFilePV(tempFile.Name())
block1 := types.PartSetHeader{5, []byte{1, 2, 3}}
block2 := types.PartSetHeader{10, []byte{3, 2, 1}}
height, round := int64(10), 1
// sign a proposal for first time
proposal := newProposal(height, round, block1)
err = privVal.SignProposal("mychainid", proposal)
assert.NoError(err, "expected no error signing proposal")
// try to sign the same proposal again; should be fine
err = privVal.SignProposal("mychainid", proposal)
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)
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", proposal)
assert.NoError(err)
assert.Equal(sig, proposal.Signature)
}
func TestDifferByTimestamp(t *testing.T) {
tempFile, err := ioutil.TempFile("", "priv_validator_")
require.Nil(t, err)
privVal := GenFilePV(tempFile.Name())
block1 := types.PartSetHeader{5, []byte{1, 2, 3}}
height, round := int64(10), 1
chainID := "mychainid"
// test proposal
{
proposal := newProposal(height, round, block1)
err := privVal.SignProposal(chainID, proposal)
assert.NoError(t, err, "expected no error signing proposal")
signBytes := proposal.SignBytes(chainID)
sig := proposal.Signature
timeStamp := proposal.Timestamp
// manipulate the timestamp. should get changed back
proposal.Timestamp = proposal.Timestamp.Add(time.Millisecond)
var emptySig []byte
proposal.Signature = emptySig
err = privVal.SignProposal("mychainid", proposal)
assert.NoError(t, err, "expected no error on signing same proposal")
assert.Equal(t, timeStamp, proposal.Timestamp)
assert.Equal(t, signBytes, proposal.SignBytes(chainID))
assert.Equal(t, sig, proposal.Signature)
}
// test vote
{
voteType := byte(types.PrevoteType)
blockID := types.BlockID{[]byte{1, 2, 3}, types.PartSetHeader{}}
vote := newVote(privVal.Address, 0, height, round, voteType, blockID)
err := privVal.SignVote("mychainid", vote)
assert.NoError(t, err, "expected no error signing vote")
signBytes := vote.SignBytes(chainID)
sig := vote.Signature
timeStamp := vote.Timestamp
// manipulate the timestamp. should get changed back
vote.Timestamp = vote.Timestamp.Add(time.Millisecond)
var emptySig []byte
vote.Signature = emptySig
err = privVal.SignVote("mychainid", vote)
assert.NoError(t, err, "expected no error on signing same vote")
assert.Equal(t, timeStamp, vote.Timestamp)
assert.Equal(t, signBytes, vote.SignBytes(chainID))
assert.Equal(t, sig, vote.Signature)
}
}
func newVote(addr types.Address, idx int, height int64, round int, typ byte, blockID types.BlockID) *types.Vote {
return &types.Vote{
ValidatorAddress: addr,
ValidatorIndex: idx,
Height: height,
Round: round,
Type: types.SignedMsgType(typ),
Timestamp: tmtime.Now(),
BlockID: blockID,
}
}
func newProposal(height int64, round int, partsHeader types.PartSetHeader) *types.Proposal {
return &types.Proposal{
Height: height,
Round: round,
BlockPartsHeader: partsHeader,
Timestamp: tmtime.Now(),
}
}