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package client_test
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto/tmhash"
tmrand "github.com/tendermint/tendermint/libs/rand"
"github.com/tendermint/tendermint/privval"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/tendermint/tendermint/rpc/client"
"github.com/tendermint/tendermint/types"
)
// For some reason the empty node used in tests has a time of
// 2018-10-10 08:20:13.695936996 +0000 UTC
// this is because the test genesis time is set here
// so in order to validate evidence we need evidence to be the same time
var defaultTestTime = time.Date(2018, 10, 10, 8, 20, 13, 695936996, time.UTC)
func newEvidence(t *testing.T, val *privval.FilePV,
vote *types.Vote, vote2 *types.Vote,
chainID string) *types.DuplicateVoteEvidence {
t.Helper()
var err error
v := vote.ToProto()
v2 := vote2.ToProto()
vote.Signature, err = val.Key.PrivKey.Sign(types.VoteSignBytes(chainID, v))
require.NoError(t, err)
vote2.Signature, err = val.Key.PrivKey.Sign(types.VoteSignBytes(chainID, v2))
require.NoError(t, err)
validator := types.NewValidator(val.Key.PubKey, 10)
valSet := types.NewValidatorSet([]*types.Validator{validator})
ev, err := types.NewDuplicateVoteEvidence(vote, vote2, defaultTestTime, valSet)
require.NoError(t, err)
return ev
}
func makeEvidences(
t *testing.T,
val *privval.FilePV,
chainID string,
) (correct *types.DuplicateVoteEvidence, fakes []*types.DuplicateVoteEvidence) {
vote := types.Vote{
ValidatorAddress: val.Key.Address,
ValidatorIndex: 0,
Height: 1,
Round: 0,
Type: tmproto.PrevoteType,
Timestamp: defaultTestTime,
BlockID: types.BlockID{
Hash: tmhash.Sum(tmrand.Bytes(tmhash.Size)),
PartSetHeader: types.PartSetHeader{
Total: 1000,
Hash: tmhash.Sum([]byte("partset")),
},
},
}
vote2 := vote
vote2.BlockID.Hash = tmhash.Sum([]byte("blockhash2"))
correct = newEvidence(t, val, &vote, &vote2, chainID)
fakes = make([]*types.DuplicateVoteEvidence, 0)
// different address
{
v := vote2
v.ValidatorAddress = []byte("some_address")
fakes = append(fakes, newEvidence(t, val, &vote, &v, chainID))
}
// different height
{
v := vote2
v.Height = vote.Height + 1
fakes = append(fakes, newEvidence(t, val, &vote, &v, chainID))
}
// different round
{
v := vote2
v.Round = vote.Round + 1
fakes = append(fakes, newEvidence(t, val, &vote, &v, chainID))
}
// different type
{
v := vote2
v.Type = tmproto.PrecommitType
fakes = append(fakes, newEvidence(t, val, &vote, &v, chainID))
}
// exactly same vote
{
v := vote
fakes = append(fakes, newEvidence(t, val, &vote, &v, chainID))
}
return correct, fakes
}
func waitForBlock(ctx context.Context, t *testing.T, c client.Client, height int64) {
timer := time.NewTimer(0 * time.Millisecond)
defer timer.Stop()
for {
select {
case <-ctx.Done():
return
case <-timer.C:
status, err := c.Status(ctx)
require.NoError(t, err)
if status.SyncInfo.LatestBlockHeight >= height {
return
}
timer.Reset(200 * time.Millisecond)
}
}
}