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874 lines
25 KiB
874 lines
25 KiB
package consensus
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"sort"
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"sync"
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"testing"
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"time"
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"github.com/go-kit/kit/log/term"
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"github.com/stretchr/testify/require"
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"path"
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dbm "github.com/tendermint/tm-db"
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abcicli "github.com/tendermint/tendermint/abci/client"
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"github.com/tendermint/tendermint/abci/example/counter"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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abci "github.com/tendermint/tendermint/abci/types"
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cfg "github.com/tendermint/tendermint/config"
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cstypes "github.com/tendermint/tendermint/consensus/types"
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tmbytes "github.com/tendermint/tendermint/libs/bytes"
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"github.com/tendermint/tendermint/libs/log"
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tmos "github.com/tendermint/tendermint/libs/os"
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tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
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tmsync "github.com/tendermint/tendermint/libs/sync"
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mempl "github.com/tendermint/tendermint/mempool"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/privval"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/store"
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"github.com/tendermint/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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)
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const (
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testSubscriber = "test-client"
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)
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// A cleanupFunc cleans up any config / test files created for a particular
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// test.
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type cleanupFunc func()
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// genesis, chain_id, priv_val
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var (
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config *cfg.Config // NOTE: must be reset for each _test.go file
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consensusReplayConfig *cfg.Config
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ensureTimeout = time.Millisecond * 200
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)
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func ensureDir(dir string, mode os.FileMode) {
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if err := tmos.EnsureDir(dir, mode); err != nil {
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panic(err)
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}
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}
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func ResetConfig(name string) *cfg.Config {
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return cfg.ResetTestRoot(name)
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}
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//-------------------------------------------------------------------------------
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// validator stub (a kvstore consensus peer we control)
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type validatorStub struct {
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Index int32 // Validator index. NOTE: we don't assume validator set changes.
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Height int64
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Round int32
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types.PrivValidator
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VotingPower int64
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}
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var testMinPower int64 = 10
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func newValidatorStub(privValidator types.PrivValidator, valIndex int32) *validatorStub {
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return &validatorStub{
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Index: valIndex,
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PrivValidator: privValidator,
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VotingPower: testMinPower,
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}
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}
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func (vs *validatorStub) signVote(
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voteType tmproto.SignedMsgType,
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hash []byte,
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header types.PartSetHeader) (*types.Vote, error) {
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pubKey, err := vs.PrivValidator.GetPubKey()
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if err != nil {
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return nil, fmt.Errorf("can't get pubkey: %w", err)
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}
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vote := &types.Vote{
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ValidatorIndex: vs.Index,
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ValidatorAddress: pubKey.Address(),
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Height: vs.Height,
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Round: vs.Round,
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Timestamp: tmtime.Now(),
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Type: voteType,
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BlockID: types.BlockID{Hash: hash, PartSetHeader: header},
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}
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v := vote.ToProto()
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err = vs.PrivValidator.SignVote(config.ChainID(), v)
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vote.Signature = v.Signature
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return vote, err
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}
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// Sign vote for type/hash/header
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func signVote(vs *validatorStub, voteType tmproto.SignedMsgType, hash []byte, header types.PartSetHeader) *types.Vote {
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v, err := vs.signVote(voteType, hash, header)
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if err != nil {
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panic(fmt.Errorf("failed to sign vote: %v", err))
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}
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return v
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}
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func signVotes(
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voteType tmproto.SignedMsgType,
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hash []byte,
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header types.PartSetHeader,
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vss ...*validatorStub) []*types.Vote {
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votes := make([]*types.Vote, len(vss))
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for i, vs := range vss {
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votes[i] = signVote(vs, voteType, hash, header)
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}
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return votes
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}
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func incrementHeight(vss ...*validatorStub) {
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for _, vs := range vss {
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vs.Height++
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}
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}
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func incrementRound(vss ...*validatorStub) {
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for _, vs := range vss {
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vs.Round++
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}
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}
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type ValidatorStubsByPower []*validatorStub
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func (vss ValidatorStubsByPower) Len() int {
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return len(vss)
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}
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func (vss ValidatorStubsByPower) Less(i, j int) bool {
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vssi, err := vss[i].GetPubKey()
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if err != nil {
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panic(err)
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}
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vssj, err := vss[j].GetPubKey()
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if err != nil {
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panic(err)
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}
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if vss[i].VotingPower == vss[j].VotingPower {
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return bytes.Compare(vssi.Address(), vssj.Address()) == -1
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}
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return vss[i].VotingPower > vss[j].VotingPower
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}
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func (vss ValidatorStubsByPower) Swap(i, j int) {
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it := vss[i]
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vss[i] = vss[j]
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vss[i].Index = int32(i)
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vss[j] = it
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vss[j].Index = int32(j)
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}
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//-------------------------------------------------------------------------------
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// Functions for transitioning the consensus state
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func startTestRound(cs *State, height int64, round int32) {
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cs.enterNewRound(height, round)
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cs.startRoutines(0)
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}
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// Create proposal block from cs1 but sign it with vs.
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func decideProposal(
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cs1 *State,
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vs *validatorStub,
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height int64,
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round int32,
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) (proposal *types.Proposal, block *types.Block) {
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cs1.mtx.Lock()
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block, blockParts := cs1.createProposalBlock()
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validRound := cs1.ValidRound
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chainID := cs1.state.ChainID
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cs1.mtx.Unlock()
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if block == nil {
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panic("Failed to createProposalBlock. Did you forget to add commit for previous block?")
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}
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// Make proposal
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polRound, propBlockID := validRound, types.BlockID{Hash: block.Hash(), PartSetHeader: blockParts.Header()}
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proposal = types.NewProposal(height, round, polRound, propBlockID)
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p := proposal.ToProto()
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if err := vs.SignProposal(chainID, p); err != nil {
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panic(err)
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}
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proposal.Signature = p.Signature
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return
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}
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func addVotes(to *State, votes ...*types.Vote) {
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for _, vote := range votes {
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to.peerMsgQueue <- msgInfo{Msg: &VoteMessage{vote}}
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}
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}
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func signAddVotes(
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to *State,
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voteType tmproto.SignedMsgType,
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hash []byte,
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header types.PartSetHeader,
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vss ...*validatorStub,
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) {
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votes := signVotes(voteType, hash, header, vss...)
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addVotes(to, votes...)
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}
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func validatePrevote(t *testing.T, cs *State, round int32, privVal *validatorStub, blockHash []byte) {
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prevotes := cs.Votes.Prevotes(round)
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pubKey, err := privVal.GetPubKey()
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require.NoError(t, err)
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address := pubKey.Address()
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var vote *types.Vote
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if vote = prevotes.GetByAddress(address); vote == nil {
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panic("Failed to find prevote from validator")
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}
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if blockHash == nil {
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if vote.BlockID.Hash != nil {
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panic(fmt.Sprintf("Expected prevote to be for nil, got %X", vote.BlockID.Hash))
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}
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} else {
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if !bytes.Equal(vote.BlockID.Hash, blockHash) {
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panic(fmt.Sprintf("Expected prevote to be for %X, got %X", blockHash, vote.BlockID.Hash))
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}
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}
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}
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func validateLastPrecommit(t *testing.T, cs *State, privVal *validatorStub, blockHash []byte) {
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votes := cs.LastCommit
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pv, err := privVal.GetPubKey()
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require.NoError(t, err)
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address := pv.Address()
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var vote *types.Vote
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if vote = votes.GetByAddress(address); vote == nil {
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panic("Failed to find precommit from validator")
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}
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if !bytes.Equal(vote.BlockID.Hash, blockHash) {
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panic(fmt.Sprintf("Expected precommit to be for %X, got %X", blockHash, vote.BlockID.Hash))
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}
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}
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func validatePrecommit(
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t *testing.T,
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cs *State,
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thisRound,
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lockRound int32,
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privVal *validatorStub,
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votedBlockHash,
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lockedBlockHash []byte,
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) {
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precommits := cs.Votes.Precommits(thisRound)
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pv, err := privVal.GetPubKey()
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require.NoError(t, err)
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address := pv.Address()
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var vote *types.Vote
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if vote = precommits.GetByAddress(address); vote == nil {
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panic("Failed to find precommit from validator")
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}
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if votedBlockHash == nil {
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if vote.BlockID.Hash != nil {
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panic("Expected precommit to be for nil")
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}
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} else {
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if !bytes.Equal(vote.BlockID.Hash, votedBlockHash) {
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panic("Expected precommit to be for proposal block")
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}
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}
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if lockedBlockHash == nil {
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if cs.LockedRound != lockRound || cs.LockedBlock != nil {
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panic(fmt.Sprintf(
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"Expected to be locked on nil at round %d. Got locked at round %d with block %v",
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lockRound,
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cs.LockedRound,
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cs.LockedBlock))
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}
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} else {
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if cs.LockedRound != lockRound || !bytes.Equal(cs.LockedBlock.Hash(), lockedBlockHash) {
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panic(fmt.Sprintf(
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"Expected block to be locked on round %d, got %d. Got locked block %X, expected %X",
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lockRound,
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cs.LockedRound,
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cs.LockedBlock.Hash(),
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lockedBlockHash))
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}
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}
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}
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func validatePrevoteAndPrecommit(
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t *testing.T,
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cs *State,
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thisRound,
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lockRound int32,
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privVal *validatorStub,
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votedBlockHash,
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lockedBlockHash []byte,
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) {
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// verify the prevote
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validatePrevote(t, cs, thisRound, privVal, votedBlockHash)
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// verify precommit
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cs.mtx.Lock()
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validatePrecommit(t, cs, thisRound, lockRound, privVal, votedBlockHash, lockedBlockHash)
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cs.mtx.Unlock()
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}
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func subscribeToVoter(cs *State, addr []byte) <-chan tmpubsub.Message {
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votesSub, err := cs.eventBus.SubscribeUnbuffered(context.Background(), testSubscriber, types.EventQueryVote)
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if err != nil {
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panic(fmt.Sprintf("failed to subscribe %s to %v", testSubscriber, types.EventQueryVote))
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}
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ch := make(chan tmpubsub.Message)
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go func() {
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for msg := range votesSub.Out() {
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vote := msg.Data().(types.EventDataVote)
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// we only fire for our own votes
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if bytes.Equal(addr, vote.Vote.ValidatorAddress) {
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ch <- msg
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}
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}
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}()
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return ch
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}
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//-------------------------------------------------------------------------------
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// consensus states
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func newState(state sm.State, pv types.PrivValidator, app abci.Application) *State {
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config := cfg.ResetTestRoot("consensus_state_test")
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return newStateWithConfig(config, state, pv, app)
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}
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func newStateWithConfig(
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thisConfig *cfg.Config,
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state sm.State,
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pv types.PrivValidator,
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app abci.Application,
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) *State {
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blockDB := dbm.NewMemDB()
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return newStateWithConfigAndBlockStore(thisConfig, state, pv, app, blockDB)
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}
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func newStateWithConfigAndBlockStore(
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thisConfig *cfg.Config,
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state sm.State,
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pv types.PrivValidator,
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app abci.Application,
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blockDB dbm.DB,
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) *State {
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// Get BlockStore
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blockStore := store.NewBlockStore(blockDB)
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// one for mempool, one for consensus
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mtx := new(tmsync.Mutex)
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proxyAppConnMem := abcicli.NewLocalClient(mtx, app)
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proxyAppConnCon := abcicli.NewLocalClient(mtx, app)
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// Make Mempool
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mempool := mempl.NewCListMempool(thisConfig.Mempool, proxyAppConnMem, 0)
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mempool.SetLogger(log.TestingLogger().With("module", "mempool"))
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if thisConfig.Consensus.WaitForTxs() {
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mempool.EnableTxsAvailable()
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}
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evpool := sm.EmptyEvidencePool{}
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// Make State
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stateDB := dbm.NewMemDB()
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stateStore := sm.NewStore(stateDB)
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if err := stateStore.Save(state); err != nil { // for save height 1's validators info
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panic(err)
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}
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blockExec := sm.NewBlockExecutor(stateStore, log.TestingLogger(), proxyAppConnCon, mempool, evpool)
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cs := NewState(thisConfig.Consensus, state, blockExec, blockStore, mempool, evpool)
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cs.SetLogger(log.TestingLogger().With("module", "consensus"))
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cs.SetPrivValidator(pv)
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eventBus := types.NewEventBus()
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eventBus.SetLogger(log.TestingLogger().With("module", "events"))
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err := eventBus.Start()
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if err != nil {
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panic(err)
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}
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cs.SetEventBus(eventBus)
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return cs
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}
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func loadPrivValidator(config *cfg.Config) *privval.FilePV {
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privValidatorKeyFile := config.PrivValidatorKeyFile()
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ensureDir(filepath.Dir(privValidatorKeyFile), 0700)
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privValidatorStateFile := config.PrivValidatorStateFile()
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privValidator, err := privval.LoadOrGenFilePV(privValidatorKeyFile, privValidatorStateFile)
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if err != nil {
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panic(err)
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}
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privValidator.Reset()
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return privValidator
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}
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func randState(nValidators int) (*State, []*validatorStub) {
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// Get State
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state, privVals := randGenesisState(nValidators, false, 10)
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vss := make([]*validatorStub, nValidators)
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cs := newState(state, privVals[0], counter.NewApplication(true))
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for i := 0; i < nValidators; i++ {
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vss[i] = newValidatorStub(privVals[i], int32(i))
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}
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// since cs1 starts at 1
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incrementHeight(vss[1:]...)
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return cs, vss
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}
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//-------------------------------------------------------------------------------
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func ensureNoNewEvent(ch <-chan tmpubsub.Message, timeout time.Duration,
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errorMessage string) {
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select {
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case <-time.After(timeout):
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break
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case <-ch:
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panic(errorMessage)
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}
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}
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func ensureNoNewEventOnChannel(ch <-chan tmpubsub.Message) {
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ensureNoNewEvent(
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ch,
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ensureTimeout,
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"We should be stuck waiting, not receiving new event on the channel")
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}
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func ensureNoNewRoundStep(stepCh <-chan tmpubsub.Message) {
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ensureNoNewEvent(
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stepCh,
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ensureTimeout,
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"We should be stuck waiting, not receiving NewRoundStep event")
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}
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func ensureNoNewUnlock(unlockCh <-chan tmpubsub.Message) {
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ensureNoNewEvent(
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unlockCh,
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ensureTimeout,
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"We should be stuck waiting, not receiving Unlock event")
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}
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func ensureNoNewTimeout(stepCh <-chan tmpubsub.Message, timeout int64) {
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timeoutDuration := time.Duration(timeout*10) * time.Nanosecond
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ensureNoNewEvent(
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stepCh,
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timeoutDuration,
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"We should be stuck waiting, not receiving NewTimeout event")
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}
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func ensureNewEvent(ch <-chan tmpubsub.Message, height int64, round int32, timeout time.Duration, errorMessage string) {
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select {
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case <-time.After(timeout):
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panic(errorMessage)
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case msg := <-ch:
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roundStateEvent, ok := msg.Data().(types.EventDataRoundState)
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if !ok {
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panic(fmt.Sprintf("expected a EventDataRoundState, got %T. Wrong subscription channel?",
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msg.Data()))
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}
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if roundStateEvent.Height != height {
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panic(fmt.Sprintf("expected height %v, got %v", height, roundStateEvent.Height))
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}
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if roundStateEvent.Round != round {
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panic(fmt.Sprintf("expected round %v, got %v", round, roundStateEvent.Round))
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}
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// TODO: We could check also for a step at this point!
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}
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}
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func ensureNewRound(roundCh <-chan tmpubsub.Message, height int64, round int32) {
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select {
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case <-time.After(ensureTimeout):
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panic("Timeout expired while waiting for NewRound event")
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case msg := <-roundCh:
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newRoundEvent, ok := msg.Data().(types.EventDataNewRound)
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if !ok {
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panic(fmt.Sprintf("expected a EventDataNewRound, got %T. Wrong subscription channel?",
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msg.Data()))
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}
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if newRoundEvent.Height != height {
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panic(fmt.Sprintf("expected height %v, got %v", height, newRoundEvent.Height))
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}
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if newRoundEvent.Round != round {
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panic(fmt.Sprintf("expected round %v, got %v", round, newRoundEvent.Round))
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}
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}
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}
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|
|
func ensureNewTimeout(timeoutCh <-chan tmpubsub.Message, height int64, round int32, timeout int64) {
|
|
timeoutDuration := time.Duration(timeout*10) * time.Nanosecond
|
|
ensureNewEvent(timeoutCh, height, round, timeoutDuration,
|
|
"Timeout expired while waiting for NewTimeout event")
|
|
}
|
|
|
|
func ensureNewProposal(proposalCh <-chan tmpubsub.Message, height int64, round int32) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for NewProposal event")
|
|
case msg := <-proposalCh:
|
|
proposalEvent, ok := msg.Data().(types.EventDataCompleteProposal)
|
|
if !ok {
|
|
panic(fmt.Sprintf("expected a EventDataCompleteProposal, got %T. Wrong subscription channel?",
|
|
msg.Data()))
|
|
}
|
|
if proposalEvent.Height != height {
|
|
panic(fmt.Sprintf("expected height %v, got %v", height, proposalEvent.Height))
|
|
}
|
|
if proposalEvent.Round != round {
|
|
panic(fmt.Sprintf("expected round %v, got %v", round, proposalEvent.Round))
|
|
}
|
|
}
|
|
}
|
|
|
|
func ensureNewValidBlock(validBlockCh <-chan tmpubsub.Message, height int64, round int32) {
|
|
ensureNewEvent(validBlockCh, height, round, ensureTimeout,
|
|
"Timeout expired while waiting for NewValidBlock event")
|
|
}
|
|
|
|
func ensureNewBlock(blockCh <-chan tmpubsub.Message, height int64) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for NewBlock event")
|
|
case msg := <-blockCh:
|
|
blockEvent, ok := msg.Data().(types.EventDataNewBlock)
|
|
if !ok {
|
|
panic(fmt.Sprintf("expected a EventDataNewBlock, got %T. Wrong subscription channel?",
|
|
msg.Data()))
|
|
}
|
|
if blockEvent.Block.Height != height {
|
|
panic(fmt.Sprintf("expected height %v, got %v", height, blockEvent.Block.Height))
|
|
}
|
|
}
|
|
}
|
|
|
|
func ensureNewBlockHeader(blockCh <-chan tmpubsub.Message, height int64, blockHash tmbytes.HexBytes) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for NewBlockHeader event")
|
|
case msg := <-blockCh:
|
|
blockHeaderEvent, ok := msg.Data().(types.EventDataNewBlockHeader)
|
|
if !ok {
|
|
panic(fmt.Sprintf("expected a EventDataNewBlockHeader, got %T. Wrong subscription channel?",
|
|
msg.Data()))
|
|
}
|
|
if blockHeaderEvent.Header.Height != height {
|
|
panic(fmt.Sprintf("expected height %v, got %v", height, blockHeaderEvent.Header.Height))
|
|
}
|
|
if !bytes.Equal(blockHeaderEvent.Header.Hash(), blockHash) {
|
|
panic(fmt.Sprintf("expected header %X, got %X", blockHash, blockHeaderEvent.Header.Hash()))
|
|
}
|
|
}
|
|
}
|
|
|
|
func ensureNewUnlock(unlockCh <-chan tmpubsub.Message, height int64, round int32) {
|
|
ensureNewEvent(unlockCh, height, round, ensureTimeout,
|
|
"Timeout expired while waiting for NewUnlock event")
|
|
}
|
|
|
|
func ensureProposal(proposalCh <-chan tmpubsub.Message, height int64, round int32, propID types.BlockID) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for NewProposal event")
|
|
case msg := <-proposalCh:
|
|
proposalEvent, ok := msg.Data().(types.EventDataCompleteProposal)
|
|
if !ok {
|
|
panic(fmt.Sprintf("expected a EventDataCompleteProposal, got %T. Wrong subscription channel?",
|
|
msg.Data()))
|
|
}
|
|
if proposalEvent.Height != height {
|
|
panic(fmt.Sprintf("expected height %v, got %v", height, proposalEvent.Height))
|
|
}
|
|
if proposalEvent.Round != round {
|
|
panic(fmt.Sprintf("expected round %v, got %v", round, proposalEvent.Round))
|
|
}
|
|
if !proposalEvent.BlockID.Equals(propID) {
|
|
panic(fmt.Sprintf("Proposed block does not match expected block (%v != %v)", proposalEvent.BlockID, propID))
|
|
}
|
|
}
|
|
}
|
|
|
|
func ensurePrecommit(voteCh <-chan tmpubsub.Message, height int64, round int32) {
|
|
ensureVote(voteCh, height, round, tmproto.PrecommitType)
|
|
}
|
|
|
|
func ensurePrevote(voteCh <-chan tmpubsub.Message, height int64, round int32) {
|
|
ensureVote(voteCh, height, round, tmproto.PrevoteType)
|
|
}
|
|
|
|
func ensureVote(voteCh <-chan tmpubsub.Message, height int64, round int32,
|
|
voteType tmproto.SignedMsgType) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for NewVote event")
|
|
case msg := <-voteCh:
|
|
voteEvent, ok := msg.Data().(types.EventDataVote)
|
|
if !ok {
|
|
panic(fmt.Sprintf("expected a EventDataVote, got %T. Wrong subscription channel?",
|
|
msg.Data()))
|
|
}
|
|
vote := voteEvent.Vote
|
|
if vote.Height != height {
|
|
panic(fmt.Sprintf("expected height %v, got %v", height, vote.Height))
|
|
}
|
|
if vote.Round != round {
|
|
panic(fmt.Sprintf("expected round %v, got %v", round, vote.Round))
|
|
}
|
|
if vote.Type != voteType {
|
|
panic(fmt.Sprintf("expected type %v, got %v", voteType, vote.Type))
|
|
}
|
|
}
|
|
}
|
|
|
|
func ensurePrecommitTimeout(ch <-chan tmpubsub.Message) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for the Precommit to Timeout")
|
|
case <-ch:
|
|
}
|
|
}
|
|
|
|
func ensureNewEventOnChannel(ch <-chan tmpubsub.Message) {
|
|
select {
|
|
case <-time.After(ensureTimeout):
|
|
panic("Timeout expired while waiting for new activity on the channel")
|
|
case <-ch:
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------
|
|
// consensus nets
|
|
|
|
// consensusLogger is a TestingLogger which uses a different
|
|
// color for each validator ("validator" key must exist).
|
|
func consensusLogger() log.Logger {
|
|
return log.TestingLoggerWithColorFn(func(keyvals ...interface{}) term.FgBgColor {
|
|
for i := 0; i < len(keyvals)-1; i += 2 {
|
|
if keyvals[i] == "validator" {
|
|
return term.FgBgColor{Fg: term.Color(uint8(keyvals[i+1].(int) + 1))}
|
|
}
|
|
}
|
|
return term.FgBgColor{}
|
|
}).With("module", "consensus")
|
|
}
|
|
|
|
func randConsensusNet(nValidators int, testName string, tickerFunc func() TimeoutTicker,
|
|
appFunc func() abci.Application, configOpts ...func(*cfg.Config)) ([]*State, cleanupFunc) {
|
|
genDoc, privVals := randGenesisDoc(nValidators, false, 30)
|
|
css := make([]*State, nValidators)
|
|
logger := consensusLogger()
|
|
configRootDirs := make([]string, 0, nValidators)
|
|
for i := 0; i < nValidators; i++ {
|
|
stateDB := dbm.NewMemDB() // each state needs its own db
|
|
stateStore := sm.NewStore(stateDB)
|
|
state, _ := stateStore.LoadFromDBOrGenesisDoc(genDoc)
|
|
thisConfig := ResetConfig(fmt.Sprintf("%s_%d", testName, i))
|
|
configRootDirs = append(configRootDirs, thisConfig.RootDir)
|
|
for _, opt := range configOpts {
|
|
opt(thisConfig)
|
|
}
|
|
ensureDir(filepath.Dir(thisConfig.Consensus.WalFile()), 0700) // dir for wal
|
|
app := appFunc()
|
|
vals := types.TM2PB.ValidatorUpdates(state.Validators)
|
|
app.InitChain(abci.RequestInitChain{Validators: vals})
|
|
|
|
css[i] = newStateWithConfigAndBlockStore(thisConfig, state, privVals[i], app, stateDB)
|
|
css[i].SetTimeoutTicker(tickerFunc())
|
|
css[i].SetLogger(logger.With("validator", i, "module", "consensus"))
|
|
}
|
|
return css, func() {
|
|
for _, dir := range configRootDirs {
|
|
os.RemoveAll(dir)
|
|
}
|
|
}
|
|
}
|
|
|
|
// nPeers = nValidators + nNotValidator
|
|
func randConsensusNetWithPeers(
|
|
nValidators,
|
|
nPeers int,
|
|
testName string,
|
|
tickerFunc func() TimeoutTicker,
|
|
appFunc func(string) abci.Application,
|
|
) ([]*State, *types.GenesisDoc, *cfg.Config, cleanupFunc) {
|
|
genDoc, privVals := randGenesisDoc(nValidators, false, testMinPower)
|
|
css := make([]*State, nPeers)
|
|
logger := consensusLogger()
|
|
var peer0Config *cfg.Config
|
|
configRootDirs := make([]string, 0, nPeers)
|
|
for i := 0; i < nPeers; i++ {
|
|
stateDB := dbm.NewMemDB() // each state needs its own db
|
|
stateStore := sm.NewStore(stateDB)
|
|
state, _ := stateStore.LoadFromDBOrGenesisDoc(genDoc)
|
|
thisConfig := ResetConfig(fmt.Sprintf("%s_%d", testName, i))
|
|
configRootDirs = append(configRootDirs, thisConfig.RootDir)
|
|
ensureDir(filepath.Dir(thisConfig.Consensus.WalFile()), 0700) // dir for wal
|
|
if i == 0 {
|
|
peer0Config = thisConfig
|
|
}
|
|
var privVal types.PrivValidator
|
|
if i < nValidators {
|
|
privVal = privVals[i]
|
|
} else {
|
|
tempKeyFile, err := ioutil.TempFile("", "priv_validator_key_")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
tempStateFile, err := ioutil.TempFile("", "priv_validator_state_")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
privVal, err = privval.GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
app := appFunc(path.Join(config.DBDir(), fmt.Sprintf("%s_%d", testName, i)))
|
|
vals := types.TM2PB.ValidatorUpdates(state.Validators)
|
|
if _, ok := app.(*kvstore.PersistentKVStoreApplication); ok {
|
|
// simulate handshake, receive app version. If don't do this, replay test will fail
|
|
state.Version.Consensus.App = kvstore.ProtocolVersion
|
|
}
|
|
app.InitChain(abci.RequestInitChain{Validators: vals})
|
|
// sm.SaveState(stateDB,state) //height 1's validatorsInfo already saved in LoadStateFromDBOrGenesisDoc above
|
|
|
|
css[i] = newStateWithConfig(thisConfig, state, privVal, app)
|
|
css[i].SetTimeoutTicker(tickerFunc())
|
|
css[i].SetLogger(logger.With("validator", i, "module", "consensus"))
|
|
}
|
|
return css, genDoc, peer0Config, func() {
|
|
for _, dir := range configRootDirs {
|
|
os.RemoveAll(dir)
|
|
}
|
|
}
|
|
}
|
|
|
|
func getSwitchIndex(switches []*p2p.Switch, peer p2p.Peer) int {
|
|
for i, s := range switches {
|
|
if peer.NodeInfo().ID() == s.NodeInfo().ID() {
|
|
return i
|
|
}
|
|
}
|
|
panic("didnt find peer in switches")
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------
|
|
// genesis
|
|
|
|
func randGenesisDoc(numValidators int, randPower bool, minPower int64) (*types.GenesisDoc, []types.PrivValidator) {
|
|
validators := make([]types.GenesisValidator, numValidators)
|
|
privValidators := make([]types.PrivValidator, numValidators)
|
|
for i := 0; i < numValidators; i++ {
|
|
val, privVal := types.RandValidator(randPower, minPower)
|
|
validators[i] = types.GenesisValidator{
|
|
PubKey: val.PubKey,
|
|
Power: val.VotingPower,
|
|
}
|
|
privValidators[i] = privVal
|
|
}
|
|
sort.Sort(types.PrivValidatorsByAddress(privValidators))
|
|
|
|
return &types.GenesisDoc{
|
|
GenesisTime: tmtime.Now(),
|
|
InitialHeight: 1,
|
|
ChainID: config.ChainID(),
|
|
Validators: validators,
|
|
}, privValidators
|
|
}
|
|
|
|
func randGenesisState(numValidators int, randPower bool, minPower int64) (sm.State, []types.PrivValidator) {
|
|
genDoc, privValidators := randGenesisDoc(numValidators, randPower, minPower)
|
|
s0, _ := sm.MakeGenesisState(genDoc)
|
|
return s0, privValidators
|
|
}
|
|
|
|
//------------------------------------
|
|
// mock ticker
|
|
|
|
func newMockTickerFunc(onlyOnce bool) func() TimeoutTicker {
|
|
return func() TimeoutTicker {
|
|
return &mockTicker{
|
|
c: make(chan timeoutInfo, 10),
|
|
onlyOnce: onlyOnce,
|
|
}
|
|
}
|
|
}
|
|
|
|
// mock ticker only fires on RoundStepNewHeight
|
|
// and only once if onlyOnce=true
|
|
type mockTicker struct {
|
|
c chan timeoutInfo
|
|
|
|
mtx sync.Mutex
|
|
onlyOnce bool
|
|
fired bool
|
|
}
|
|
|
|
func (m *mockTicker) Start() error {
|
|
return nil
|
|
}
|
|
|
|
func (m *mockTicker) Stop() error {
|
|
return nil
|
|
}
|
|
|
|
func (m *mockTicker) ScheduleTimeout(ti timeoutInfo) {
|
|
m.mtx.Lock()
|
|
defer m.mtx.Unlock()
|
|
if m.onlyOnce && m.fired {
|
|
return
|
|
}
|
|
if ti.Step == cstypes.RoundStepNewHeight {
|
|
m.c <- ti
|
|
m.fired = true
|
|
}
|
|
}
|
|
|
|
func (m *mockTicker) Chan() <-chan timeoutInfo {
|
|
return m.c
|
|
}
|
|
|
|
func (*mockTicker) SetLogger(log.Logger) {}
|
|
|
|
//------------------------------------
|
|
|
|
func newCounter() abci.Application {
|
|
return counter.NewApplication(true)
|
|
}
|
|
|
|
func newPersistentKVStore() abci.Application {
|
|
dir, err := ioutil.TempDir("", "persistent-kvstore")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return kvstore.NewPersistentKVStoreApplication(dir)
|
|
}
|
|
|
|
func newPersistentKVStoreWithPath(dbDir string) abci.Application {
|
|
return kvstore.NewPersistentKVStoreApplication(dbDir)
|
|
}
|