You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.9 KiB
97 lines
2.9 KiB
package consensus
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/tendermint/tendermint/libs/bytes"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
//----------------------------------------------
|
|
// byzantine failures
|
|
|
|
// one byz val sends a precommit for a random block at each height
|
|
// Ensure a testnet makes blocks
|
|
func TestReactorInvalidPrecommit(t *testing.T) {
|
|
N := 4
|
|
css, cleanup := randConsensusNet(N, "consensus_reactor_test", newMockTickerFunc(true), newCounter)
|
|
defer cleanup()
|
|
|
|
for i := 0; i < 4; i++ {
|
|
ticker := NewTimeoutTicker()
|
|
ticker.SetLogger(css[i].Logger)
|
|
css[i].SetTimeoutTicker(ticker)
|
|
|
|
}
|
|
|
|
reactors, blocksSubs, eventBuses := startConsensusNet(t, css, N)
|
|
|
|
// this val sends a random precommit at each height
|
|
byzValIdx := 0
|
|
byzVal := css[byzValIdx]
|
|
byzR := reactors[byzValIdx]
|
|
|
|
// update the doPrevote function to just send a valid precommit for a random block
|
|
// and otherwise disable the priv validator
|
|
byzVal.mtx.Lock()
|
|
pv := byzVal.privValidator
|
|
byzVal.doPrevote = func(height int64, round int32) {
|
|
invalidDoPrevoteFunc(t, height, round, byzVal, byzR.Switch, pv)
|
|
}
|
|
byzVal.mtx.Unlock()
|
|
defer stopConsensusNet(log.TestingLogger(), reactors, eventBuses)
|
|
|
|
// wait for a bunch of blocks
|
|
// TODO: make this tighter by ensuring the halt happens by block 2
|
|
for i := 0; i < 10; i++ {
|
|
timeoutWaitGroup(t, N, func(j int) {
|
|
<-blocksSubs[j].Out()
|
|
}, css)
|
|
}
|
|
}
|
|
|
|
func invalidDoPrevoteFunc(t *testing.T, height int64, round int32, cs *State, sw *p2p.Switch, pv types.PrivValidator) {
|
|
// routine to:
|
|
// - precommit for a random block
|
|
// - send precommit to all peers
|
|
// - disable privValidator (so we don't do normal precommits)
|
|
go func() {
|
|
cs.mtx.Lock()
|
|
cs.privValidator = pv
|
|
pubKey, err := cs.privValidator.GetPubKey()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
addr := pubKey.Address()
|
|
valIndex, _ := cs.Validators.GetByAddress(addr)
|
|
|
|
// precommit a random block
|
|
blockHash := bytes.HexBytes(tmrand.Bytes(32))
|
|
precommit := &types.Vote{
|
|
ValidatorAddress: addr,
|
|
ValidatorIndex: valIndex,
|
|
Height: cs.Height,
|
|
Round: cs.Round,
|
|
Timestamp: cs.voteTime(),
|
|
Type: tmproto.PrecommitType,
|
|
BlockID: types.BlockID{
|
|
Hash: blockHash,
|
|
PartSetHeader: types.PartSetHeader{Total: 1, Hash: tmrand.Bytes(32)}},
|
|
}
|
|
p := precommit.ToProto()
|
|
cs.privValidator.SignVote(cs.state.ChainID, p)
|
|
precommit.Signature = p.Signature
|
|
cs.privValidator = nil // disable priv val so we don't do normal votes
|
|
cs.mtx.Unlock()
|
|
|
|
peers := sw.Peers().List()
|
|
for _, peer := range peers {
|
|
cs.Logger.Info("Sending bad vote", "block", blockHash, "peer", peer)
|
|
peer.Send(VoteChannel, MustEncode(&VoteMessage{precommit}))
|
|
}
|
|
}()
|
|
}
|