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package state_test
import (
"bytes"
"fmt"
"time"
dbm "github.com/tendermint/tm-db"
abciclient "github.com/tendermint/tendermint/abci/client"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/crypto/encoding"
"github.com/tendermint/tendermint/internal/proxy"
sm "github.com/tendermint/tendermint/internal/state"
sf "github.com/tendermint/tendermint/internal/state/test/factory"
"github.com/tendermint/tendermint/internal/test/factory"
tmrand "github.com/tendermint/tendermint/libs/rand"
tmtime "github.com/tendermint/tendermint/libs/time"
tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/tendermint/tendermint/types"
)
type paramsChangeTestCase struct {
height int64
params types.ConsensusParams
}
func newTestApp() proxy.AppConns {
app := &testApp{}
cc := abciclient.NewLocalCreator(app)
return proxy.NewAppConns(cc, proxy.NopMetrics())
}
func makeAndCommitGoodBlock(
state sm.State,
height int64,
lastCommit *types.Commit,
proposerAddr []byte,
blockExec *sm.BlockExecutor,
privVals map[string]types.PrivValidator,
evidence []types.Evidence) (sm.State, types.BlockID, *types.Commit, error) {
// A good block passes
state, blockID, err := makeAndApplyGoodBlock(state, height, lastCommit, proposerAddr, blockExec, evidence)
if err != nil {
return state, types.BlockID{}, nil, err
}
// Simulate a lastCommit for this block from all validators for the next height
commit, err := makeValidCommit(height, blockID, state.Validators, privVals)
if err != nil {
return state, types.BlockID{}, nil, err
}
return state, blockID, commit, nil
}
func makeAndApplyGoodBlock(state sm.State, height int64, lastCommit *types.Commit, proposerAddr []byte,
blockExec *sm.BlockExecutor, evidence []types.Evidence) (sm.State, types.BlockID, error) {
block, _ := state.MakeBlock(height, factory.MakeTenTxs(height), lastCommit, evidence, proposerAddr)
if err := blockExec.ValidateBlock(state, block); err != nil {
return state, types.BlockID{}, err
}
blockID := types.BlockID{Hash: block.Hash(),
PartSetHeader: types.PartSetHeader{Total: 3, Hash: tmrand.Bytes(32)}}
state, err := blockExec.ApplyBlock(state, blockID, block)
if err != nil {
return state, types.BlockID{}, err
}
return state, blockID, nil
}
func makeValidCommit(
height int64,
blockID types.BlockID,
vals *types.ValidatorSet,
privVals map[string]types.PrivValidator,
) (*types.Commit, error) {
sigs := make([]types.CommitSig, 0)
for i := 0; i < vals.Size(); i++ {
_, val := vals.GetByIndex(int32(i))
vote, err := factory.MakeVote(privVals[val.Address.String()], chainID, int32(i), height, 0, 2, blockID, time.Now())
if err != nil {
return nil, err
}
sigs = append(sigs, vote.CommitSig())
}
return types.NewCommit(height, 0, blockID, sigs), nil
}
func makeState(nVals, height int) (sm.State, dbm.DB, map[string]types.PrivValidator) {
vals := make([]types.GenesisValidator, nVals)
privVals := make(map[string]types.PrivValidator, nVals)
for i := 0; i < nVals; i++ {
secret := []byte(fmt.Sprintf("test%d", i))
pk := ed25519.GenPrivKeyFromSecret(secret)
valAddr := pk.PubKey().Address()
vals[i] = types.GenesisValidator{
Address: valAddr,
PubKey: pk.PubKey(),
Power: 1000,
Name: fmt.Sprintf("test%d", i),
}
privVals[valAddr.String()] = types.NewMockPVWithParams(pk, false, false)
}
s, _ := sm.MakeGenesisState(&types.GenesisDoc{
ChainID: chainID,
Validators: vals,
AppHash: nil,
})
stateDB := dbm.NewMemDB()
stateStore := sm.NewStore(stateDB)
if err := stateStore.Save(s); err != nil {
panic(err)
}
for i := 1; i < height; i++ {
s.LastBlockHeight++
s.LastValidators = s.Validators.Copy()
if err := stateStore.Save(s); err != nil {
panic(err)
}
}
return s, stateDB, privVals
}
func genValSet(size int) *types.ValidatorSet {
vals := make([]*types.Validator, size)
for i := 0; i < size; i++ {
vals[i] = types.NewValidator(ed25519.GenPrivKey().PubKey(), 10)
}
return types.NewValidatorSet(vals)
}
func makeHeaderPartsResponsesValPubKeyChange(
state sm.State,
pubkey crypto.PubKey,
) (types.Header, types.BlockID, *tmstate.ABCIResponses) {
block := sf.MakeBlock(state, state.LastBlockHeight+1, new(types.Commit))
abciResponses := &tmstate.ABCIResponses{
BeginBlock: &abci.ResponseBeginBlock{},
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
}
// If the pubkey is new, remove the old and add the new.
_, val := state.NextValidators.GetByIndex(0)
if !bytes.Equal(pubkey.Bytes(), val.PubKey.Bytes()) {
vPbPk, err := encoding.PubKeyToProto(val.PubKey)
if err != nil {
panic(err)
}
pbPk, err := encoding.PubKeyToProto(pubkey)
if err != nil {
panic(err)
}
abciResponses.EndBlock = &abci.ResponseEndBlock{
ValidatorUpdates: []abci.ValidatorUpdate{
{PubKey: vPbPk, Power: 0},
{PubKey: pbPk, Power: 10},
},
}
}
return block.Header, types.BlockID{Hash: block.Hash(), PartSetHeader: types.PartSetHeader{}}, abciResponses
}
func makeHeaderPartsResponsesValPowerChange(
state sm.State,
power int64,
) (types.Header, types.BlockID, *tmstate.ABCIResponses) {
block := sf.MakeBlock(state, state.LastBlockHeight+1, new(types.Commit))
abciResponses := &tmstate.ABCIResponses{
BeginBlock: &abci.ResponseBeginBlock{},
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
}
// If the pubkey is new, remove the old and add the new.
_, val := state.NextValidators.GetByIndex(0)
if val.VotingPower != power {
vPbPk, err := encoding.PubKeyToProto(val.PubKey)
if err != nil {
panic(err)
}
abciResponses.EndBlock = &abci.ResponseEndBlock{
ValidatorUpdates: []abci.ValidatorUpdate{
{PubKey: vPbPk, Power: power},
},
}
}
return block.Header, types.BlockID{Hash: block.Hash(), PartSetHeader: types.PartSetHeader{}}, abciResponses
}
func makeHeaderPartsResponsesParams(
state sm.State,
params *types.ConsensusParams,
) (types.Header, types.BlockID, *tmstate.ABCIResponses) {
block := sf.MakeBlock(state, state.LastBlockHeight+1, new(types.Commit))
pbParams := params.ToProto()
abciResponses := &tmstate.ABCIResponses{
BeginBlock: &abci.ResponseBeginBlock{},
EndBlock: &abci.ResponseEndBlock{ConsensusParamUpdates: &pbParams},
}
return block.Header, types.BlockID{Hash: block.Hash(), PartSetHeader: types.PartSetHeader{}}, abciResponses
}
func randomGenesisDoc() *types.GenesisDoc {
pubkey := ed25519.GenPrivKey().PubKey()
return &types.GenesisDoc{
GenesisTime: tmtime.Now(),
ChainID: "abc",
Validators: []types.GenesisValidator{
{
Address: pubkey.Address(),
PubKey: pubkey,
Power: 10,
Name: "myval",
},
},
ConsensusParams: types.DefaultConsensusParams(),
}
}
// used for testing by state store
func makeRandomStateFromValidatorSet(
lastValSet *types.ValidatorSet,
height, lastHeightValidatorsChanged int64,
) sm.State {
return sm.State{
LastBlockHeight: height - 1,
NextValidators: lastValSet.CopyIncrementProposerPriority(2),
Validators: lastValSet.CopyIncrementProposerPriority(1),
LastValidators: lastValSet.Copy(),
LastHeightConsensusParamsChanged: height,
ConsensusParams: *types.DefaultConsensusParams(),
LastHeightValidatorsChanged: lastHeightValidatorsChanged,
InitialHeight: 1,
}
}
func makeRandomStateFromConsensusParams(consensusParams *types.ConsensusParams,
height, lastHeightConsensusParamsChanged int64) sm.State {
val, _ := factory.RandValidator(true, 10)
valSet := types.NewValidatorSet([]*types.Validator{val})
return sm.State{
LastBlockHeight: height - 1,
ConsensusParams: *consensusParams,
LastHeightConsensusParamsChanged: lastHeightConsensusParamsChanged,
NextValidators: valSet.CopyIncrementProposerPriority(2),
Validators: valSet.CopyIncrementProposerPriority(1),
LastValidators: valSet.Copy(),
LastHeightValidatorsChanged: height,
InitialHeight: 1,
}
}
//----------------------------------------------------------------------------
type testApp struct {
abci.BaseApplication
CommitVotes []abci.VoteInfo
ByzantineValidators []abci.Evidence
ValidatorUpdates []abci.ValidatorUpdate
}
var _ abci.Application = (*testApp)(nil)
func (app *testApp) Info(req abci.RequestInfo) (resInfo abci.ResponseInfo) {
return abci.ResponseInfo{}
}
func (app *testApp) BeginBlock(req abci.RequestBeginBlock) abci.ResponseBeginBlock {
app.CommitVotes = req.LastCommitInfo.Votes
app.ByzantineValidators = req.ByzantineValidators
return abci.ResponseBeginBlock{}
}
func (app *testApp) EndBlock(req abci.RequestEndBlock) abci.ResponseEndBlock {
return abci.ResponseEndBlock{
ValidatorUpdates: app.ValidatorUpdates,
ConsensusParamUpdates: &tmproto.ConsensusParams{
Version: &tmproto.VersionParams{
AppVersion: 1}}}
}
func (app *testApp) DeliverTx(req abci.RequestDeliverTx) abci.ResponseDeliverTx {
return abci.ResponseDeliverTx{Events: []abci.Event{}}
}
func (app *testApp) CheckTx(req abci.RequestCheckTx) abci.ResponseCheckTx {
return abci.ResponseCheckTx{}
}
func (app *testApp) Commit() abci.ResponseCommit {
return abci.ResponseCommit{RetainHeight: 1}
}
func (app *testApp) Query(reqQuery abci.RequestQuery) (resQuery abci.ResponseQuery) {
return
}