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.
1065 lines
39 KiB
1065 lines
39 KiB
package state_test
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"math"
|
|
"math/big"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
dbm "github.com/tendermint/tm-db"
|
|
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
cfg "github.com/tendermint/tendermint/config"
|
|
"github.com/tendermint/tendermint/crypto/ed25519"
|
|
cryptoenc "github.com/tendermint/tendermint/crypto/encoding"
|
|
tmrand "github.com/tendermint/tendermint/libs/rand"
|
|
tmstate "github.com/tendermint/tendermint/proto/tendermint/state"
|
|
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
|
|
sm "github.com/tendermint/tendermint/state"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
// setupTestCase does setup common to all test cases.
|
|
func setupTestCase(t *testing.T) (func(t *testing.T), dbm.DB, sm.State) {
|
|
config := cfg.ResetTestRoot("state_")
|
|
dbType := dbm.BackendType(config.DBBackend)
|
|
stateDB, err := dbm.NewDB("state", dbType, config.DBDir())
|
|
require.NoError(t, err)
|
|
state, err := sm.LoadStateFromDBOrGenesisFile(stateDB, config.GenesisFile())
|
|
assert.NoError(t, err, "expected no error on LoadStateFromDBOrGenesisFile")
|
|
sm.SaveState(stateDB, state)
|
|
|
|
tearDown := func(t *testing.T) { os.RemoveAll(config.RootDir) }
|
|
|
|
return tearDown, stateDB, state
|
|
}
|
|
|
|
// TestStateCopy tests the correct copying behaviour of State.
|
|
func TestStateCopy(t *testing.T) {
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
assert := assert.New(t)
|
|
|
|
stateCopy := state.Copy()
|
|
|
|
assert.True(state.Equals(stateCopy),
|
|
fmt.Sprintf("expected state and its copy to be identical.\ngot: %v\nexpected: %v\n",
|
|
stateCopy, state))
|
|
|
|
stateCopy.LastBlockHeight++
|
|
stateCopy.LastValidators = state.Validators
|
|
assert.False(state.Equals(stateCopy), fmt.Sprintf(`expected states to be different. got same
|
|
%v`, state))
|
|
}
|
|
|
|
//TestMakeGenesisStateNilValidators tests state's consistency when genesis file's validators field is nil.
|
|
func TestMakeGenesisStateNilValidators(t *testing.T) {
|
|
doc := types.GenesisDoc{
|
|
ChainID: "dummy",
|
|
Validators: nil,
|
|
}
|
|
require.Nil(t, doc.ValidateAndComplete())
|
|
state, err := sm.MakeGenesisState(&doc)
|
|
require.Nil(t, err)
|
|
require.Equal(t, 0, len(state.Validators.Validators))
|
|
require.Equal(t, 0, len(state.NextValidators.Validators))
|
|
}
|
|
|
|
// TestStateSaveLoad tests saving and loading State from a db.
|
|
func TestStateSaveLoad(t *testing.T) {
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
assert := assert.New(t)
|
|
|
|
state.LastBlockHeight++
|
|
state.LastValidators = state.Validators
|
|
sm.SaveState(stateDB, state)
|
|
|
|
loadedState := sm.LoadState(stateDB)
|
|
assert.True(state.Equals(loadedState),
|
|
fmt.Sprintf("expected state and its copy to be identical.\ngot: %v\nexpected: %v\n",
|
|
loadedState, state))
|
|
}
|
|
|
|
// TestABCIResponsesSaveLoad tests saving and loading ABCIResponses.
|
|
func TestABCIResponsesSaveLoad1(t *testing.T) {
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
assert := assert.New(t)
|
|
|
|
state.LastBlockHeight++
|
|
|
|
// Build mock responses.
|
|
block := makeBlock(state, 2)
|
|
|
|
abciResponses := new(tmstate.ABCIResponses)
|
|
dtxs := make([]*abci.ResponseDeliverTx, 2)
|
|
abciResponses.DeliverTxs = dtxs
|
|
|
|
abciResponses.DeliverTxs[0] = &abci.ResponseDeliverTx{Data: []byte("foo"), Events: nil}
|
|
abciResponses.DeliverTxs[1] = &abci.ResponseDeliverTx{Data: []byte("bar"), Log: "ok", Events: nil}
|
|
abciResponses.EndBlock = &abci.ResponseEndBlock{ValidatorUpdates: []abci.ValidatorUpdate{
|
|
types.TM2PB.NewValidatorUpdate(ed25519.GenPrivKey().PubKey(), 10),
|
|
}}
|
|
|
|
sm.SaveABCIResponses(stateDB, block.Height, abciResponses)
|
|
loadedABCIResponses, err := sm.LoadABCIResponses(stateDB, block.Height)
|
|
assert.Nil(err)
|
|
assert.Equal(abciResponses, loadedABCIResponses,
|
|
fmt.Sprintf("ABCIResponses don't match:\ngot: %v\nexpected: %v\n",
|
|
loadedABCIResponses, abciResponses))
|
|
}
|
|
|
|
// TestResultsSaveLoad tests saving and loading ABCI results.
|
|
func TestABCIResponsesSaveLoad2(t *testing.T) {
|
|
tearDown, stateDB, _ := setupTestCase(t)
|
|
defer tearDown(t)
|
|
assert := assert.New(t)
|
|
|
|
cases := [...]struct {
|
|
// Height is implied to equal index+2,
|
|
// as block 1 is created from genesis.
|
|
added []*abci.ResponseDeliverTx
|
|
expected []*abci.ResponseDeliverTx
|
|
}{
|
|
0: {
|
|
nil,
|
|
nil,
|
|
},
|
|
1: {
|
|
[]*abci.ResponseDeliverTx{
|
|
{Code: 32, Data: []byte("Hello"), Log: "Huh?"},
|
|
},
|
|
[]*abci.ResponseDeliverTx{
|
|
{Code: 32, Data: []byte("Hello")},
|
|
}},
|
|
2: {
|
|
[]*abci.ResponseDeliverTx{
|
|
{Code: 383},
|
|
{
|
|
Data: []byte("Gotcha!"),
|
|
Events: []abci.Event{
|
|
{Type: "type1", Attributes: []abci.EventAttribute{{Key: []byte("a"), Value: []byte("1")}}},
|
|
{Type: "type2", Attributes: []abci.EventAttribute{{Key: []byte("build"), Value: []byte("stuff")}}},
|
|
},
|
|
},
|
|
},
|
|
[]*abci.ResponseDeliverTx{
|
|
{Code: 383, Data: nil},
|
|
{Code: 0, Data: []byte("Gotcha!"), Events: []abci.Event{
|
|
{Type: "type1", Attributes: []abci.EventAttribute{{Key: []byte("a"), Value: []byte("1")}}},
|
|
{Type: "type2", Attributes: []abci.EventAttribute{{Key: []byte("build"), Value: []byte("stuff")}}},
|
|
}},
|
|
}},
|
|
3: {
|
|
nil,
|
|
nil,
|
|
},
|
|
4: {
|
|
[]*abci.ResponseDeliverTx{nil},
|
|
nil,
|
|
},
|
|
}
|
|
|
|
// Query all before, this should return error.
|
|
for i := range cases {
|
|
h := int64(i + 1)
|
|
res, err := sm.LoadABCIResponses(stateDB, h)
|
|
assert.Error(err, "%d: %#v", i, res)
|
|
}
|
|
|
|
// Add all cases.
|
|
for i, tc := range cases {
|
|
h := int64(i + 1) // last block height, one below what we save
|
|
responses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
DeliverTxs: tc.added,
|
|
EndBlock: &abci.ResponseEndBlock{},
|
|
}
|
|
sm.SaveABCIResponses(stateDB, h, responses)
|
|
}
|
|
|
|
// Query all before, should return expected value.
|
|
for i, tc := range cases {
|
|
h := int64(i + 1)
|
|
res, err := sm.LoadABCIResponses(stateDB, h)
|
|
if assert.NoError(err, "%d", i) {
|
|
t.Log(res)
|
|
responses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
DeliverTxs: tc.expected,
|
|
EndBlock: &abci.ResponseEndBlock{},
|
|
}
|
|
assert.Equal(sm.ABCIResponsesResultsHash(responses), sm.ABCIResponsesResultsHash(res), "%d", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestValidatorSimpleSaveLoad tests saving and loading validators.
|
|
func TestValidatorSimpleSaveLoad(t *testing.T) {
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
assert := assert.New(t)
|
|
|
|
// Can't load anything for height 0.
|
|
_, err := sm.LoadValidators(stateDB, 0)
|
|
assert.IsType(sm.ErrNoValSetForHeight{}, err, "expected err at height 0")
|
|
|
|
// Should be able to load for height 1.
|
|
v, err := sm.LoadValidators(stateDB, 1)
|
|
assert.Nil(err, "expected no err at height 1")
|
|
assert.Equal(v.Hash(), state.Validators.Hash(), "expected validator hashes to match")
|
|
|
|
// Should be able to load for height 2.
|
|
v, err = sm.LoadValidators(stateDB, 2)
|
|
assert.Nil(err, "expected no err at height 2")
|
|
assert.Equal(v.Hash(), state.NextValidators.Hash(), "expected validator hashes to match")
|
|
|
|
// Increment height, save; should be able to load for next & next next height.
|
|
state.LastBlockHeight++
|
|
nextHeight := state.LastBlockHeight + 1
|
|
sm.SaveValidatorsInfo(stateDB, nextHeight+1, state.LastHeightValidatorsChanged, state.NextValidators)
|
|
vp0, err := sm.LoadValidators(stateDB, nextHeight+0)
|
|
assert.Nil(err, "expected no err")
|
|
vp1, err := sm.LoadValidators(stateDB, nextHeight+1)
|
|
assert.Nil(err, "expected no err")
|
|
assert.Equal(vp0.Hash(), state.Validators.Hash(), "expected validator hashes to match")
|
|
assert.Equal(vp1.Hash(), state.NextValidators.Hash(), "expected next validator hashes to match")
|
|
}
|
|
|
|
// TestValidatorChangesSaveLoad tests saving and loading a validator set with changes.
|
|
func TestOneValidatorChangesSaveLoad(t *testing.T) {
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
|
|
// Change vals at these heights.
|
|
changeHeights := []int64{1, 2, 4, 5, 10, 15, 16, 17, 20}
|
|
N := len(changeHeights)
|
|
|
|
// Build the validator history by running updateState
|
|
// with the right validator set for each height.
|
|
highestHeight := changeHeights[N-1] + 5
|
|
changeIndex := 0
|
|
_, val := state.Validators.GetByIndex(0)
|
|
power := val.VotingPower
|
|
var err error
|
|
var validatorUpdates []*types.Validator
|
|
for i := int64(1); i < highestHeight; i++ {
|
|
// When we get to a change height, use the next pubkey.
|
|
if changeIndex < len(changeHeights) && i == changeHeights[changeIndex] {
|
|
changeIndex++
|
|
power++
|
|
}
|
|
header, blockID, responses := makeHeaderPartsResponsesValPowerChange(state, power)
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(responses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
state, err = sm.UpdateState(state, blockID, &header, responses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
nextHeight := state.LastBlockHeight + 1
|
|
sm.SaveValidatorsInfo(stateDB, nextHeight+1, state.LastHeightValidatorsChanged, state.NextValidators)
|
|
}
|
|
|
|
// On each height change, increment the power by one.
|
|
testCases := make([]int64, highestHeight)
|
|
changeIndex = 0
|
|
power = val.VotingPower
|
|
for i := int64(1); i < highestHeight+1; i++ {
|
|
// We get to the height after a change height use the next pubkey (note
|
|
// our counter starts at 0 this time).
|
|
if changeIndex < len(changeHeights) && i == changeHeights[changeIndex]+1 {
|
|
changeIndex++
|
|
power++
|
|
}
|
|
testCases[i-1] = power
|
|
}
|
|
|
|
for i, power := range testCases {
|
|
v, err := sm.LoadValidators(stateDB, int64(i+1+1)) // +1 because vset changes delayed by 1 block.
|
|
assert.Nil(t, err, fmt.Sprintf("expected no err at height %d", i))
|
|
assert.Equal(t, v.Size(), 1, "validator set size is greater than 1: %d", v.Size())
|
|
_, val := v.GetByIndex(0)
|
|
|
|
assert.Equal(t, val.VotingPower, power, fmt.Sprintf(`unexpected powerat
|
|
height %d`, i))
|
|
}
|
|
}
|
|
|
|
func TestProposerFrequency(t *testing.T) {
|
|
|
|
// some explicit test cases
|
|
testCases := []struct {
|
|
powers []int64
|
|
}{
|
|
// 2 vals
|
|
{[]int64{1, 1}},
|
|
{[]int64{1, 2}},
|
|
{[]int64{1, 100}},
|
|
{[]int64{5, 5}},
|
|
{[]int64{5, 100}},
|
|
{[]int64{50, 50}},
|
|
{[]int64{50, 100}},
|
|
{[]int64{1, 1000}},
|
|
|
|
// 3 vals
|
|
{[]int64{1, 1, 1}},
|
|
{[]int64{1, 2, 3}},
|
|
{[]int64{1, 2, 3}},
|
|
{[]int64{1, 1, 10}},
|
|
{[]int64{1, 1, 100}},
|
|
{[]int64{1, 10, 100}},
|
|
{[]int64{1, 1, 1000}},
|
|
{[]int64{1, 10, 1000}},
|
|
{[]int64{1, 100, 1000}},
|
|
|
|
// 4 vals
|
|
{[]int64{1, 1, 1, 1}},
|
|
{[]int64{1, 2, 3, 4}},
|
|
{[]int64{1, 1, 1, 10}},
|
|
{[]int64{1, 1, 1, 100}},
|
|
{[]int64{1, 1, 1, 1000}},
|
|
{[]int64{1, 1, 10, 100}},
|
|
{[]int64{1, 1, 10, 1000}},
|
|
{[]int64{1, 1, 100, 1000}},
|
|
{[]int64{1, 10, 100, 1000}},
|
|
}
|
|
|
|
for caseNum, testCase := range testCases {
|
|
// run each case 5 times to sample different
|
|
// initial priorities
|
|
for i := 0; i < 5; i++ {
|
|
valSet := genValSetWithPowers(testCase.powers)
|
|
testProposerFreq(t, caseNum, valSet)
|
|
}
|
|
}
|
|
|
|
// some random test cases with up to 100 validators
|
|
maxVals := 100
|
|
maxPower := 1000
|
|
nTestCases := 5
|
|
for i := 0; i < nTestCases; i++ {
|
|
N := tmrand.Int()%maxVals + 1
|
|
vals := make([]*types.Validator, N)
|
|
totalVotePower := int64(0)
|
|
for j := 0; j < N; j++ {
|
|
// make sure votePower > 0
|
|
votePower := int64(tmrand.Int()%maxPower) + 1
|
|
totalVotePower += votePower
|
|
privVal := types.NewMockPV()
|
|
pubKey, err := privVal.GetPubKey()
|
|
require.NoError(t, err)
|
|
val := types.NewValidator(pubKey, votePower)
|
|
val.ProposerPriority = tmrand.Int64()
|
|
vals[j] = val
|
|
}
|
|
valSet := types.NewValidatorSet(vals)
|
|
valSet.RescalePriorities(totalVotePower)
|
|
testProposerFreq(t, i, valSet)
|
|
}
|
|
}
|
|
|
|
// new val set with given powers and random initial priorities
|
|
func genValSetWithPowers(powers []int64) *types.ValidatorSet {
|
|
size := len(powers)
|
|
vals := make([]*types.Validator, size)
|
|
totalVotePower := int64(0)
|
|
for i := 0; i < size; i++ {
|
|
totalVotePower += powers[i]
|
|
val := types.NewValidator(ed25519.GenPrivKey().PubKey(), powers[i])
|
|
val.ProposerPriority = tmrand.Int64()
|
|
vals[i] = val
|
|
}
|
|
valSet := types.NewValidatorSet(vals)
|
|
valSet.RescalePriorities(totalVotePower)
|
|
return valSet
|
|
}
|
|
|
|
// test a proposer appears as frequently as expected
|
|
func testProposerFreq(t *testing.T, caseNum int, valSet *types.ValidatorSet) {
|
|
N := valSet.Size()
|
|
totalPower := valSet.TotalVotingPower()
|
|
|
|
// run the proposer selection and track frequencies
|
|
runMult := 1
|
|
runs := int(totalPower) * runMult
|
|
freqs := make([]int, N)
|
|
for i := 0; i < runs; i++ {
|
|
prop := valSet.GetProposer()
|
|
idx, _ := valSet.GetByAddress(prop.Address)
|
|
freqs[idx]++
|
|
valSet.IncrementProposerPriority(1)
|
|
}
|
|
|
|
// assert frequencies match expected (max off by 1)
|
|
for i, freq := range freqs {
|
|
_, val := valSet.GetByIndex(int32(i))
|
|
expectFreq := int(val.VotingPower) * runMult
|
|
gotFreq := freq
|
|
abs := int(math.Abs(float64(expectFreq - gotFreq)))
|
|
|
|
// max bound on expected vs seen freq was proven
|
|
// to be 1 for the 2 validator case in
|
|
// https://github.com/cwgoes/tm-proposer-idris
|
|
// and inferred to generalize to N-1
|
|
bound := N - 1
|
|
require.True(
|
|
t,
|
|
abs <= bound,
|
|
fmt.Sprintf("Case %d val %d (%d): got %d, expected %d", caseNum, i, N, gotFreq, expectFreq),
|
|
)
|
|
}
|
|
}
|
|
|
|
// TestProposerPriorityDoesNotGetResetToZero assert that we preserve accum when calling updateState
|
|
// see https://github.com/tendermint/tendermint/issues/2718
|
|
func TestProposerPriorityDoesNotGetResetToZero(t *testing.T) {
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
val1VotingPower := int64(10)
|
|
val1PubKey := ed25519.GenPrivKey().PubKey()
|
|
val1 := &types.Validator{Address: val1PubKey.Address(), PubKey: val1PubKey, VotingPower: val1VotingPower}
|
|
|
|
state.Validators = types.NewValidatorSet([]*types.Validator{val1})
|
|
state.NextValidators = state.Validators
|
|
|
|
// NewValidatorSet calls IncrementProposerPriority but uses on a copy of val1
|
|
assert.EqualValues(t, 0, val1.ProposerPriority)
|
|
|
|
block := makeBlock(state, state.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
updatedState, err := sm.UpdateState(state, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
curTotal := val1VotingPower
|
|
// one increment step and one validator: 0 + power - total_power == 0
|
|
assert.Equal(t, 0+val1VotingPower-curTotal, updatedState.NextValidators.Validators[0].ProposerPriority)
|
|
|
|
// add a validator
|
|
val2PubKey := ed25519.GenPrivKey().PubKey()
|
|
val2VotingPower := int64(100)
|
|
fvp, err := cryptoenc.PubKeyToProto(val2PubKey)
|
|
require.NoError(t, err)
|
|
|
|
updateAddVal := abci.ValidatorUpdate{PubKey: fvp, Power: val2VotingPower}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates([]abci.ValidatorUpdate{updateAddVal})
|
|
assert.NoError(t, err)
|
|
updatedState2, err := sm.UpdateState(updatedState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
|
|
require.Equal(t, len(updatedState2.NextValidators.Validators), 2)
|
|
_, updatedVal1 := updatedState2.NextValidators.GetByAddress(val1PubKey.Address())
|
|
_, addedVal2 := updatedState2.NextValidators.GetByAddress(val2PubKey.Address())
|
|
|
|
// adding a validator should not lead to a ProposerPriority equal to zero (unless the combination of averaging and
|
|
// incrementing would cause so; which is not the case here)
|
|
// Steps from adding new validator:
|
|
// 0 - val1 prio is 0, TVP after add:
|
|
wantVal1Prio := int64(0)
|
|
totalPowerAfter := val1VotingPower + val2VotingPower
|
|
// 1. Add - Val2 should be initially added with (-123) =>
|
|
wantVal2Prio := -(totalPowerAfter + (totalPowerAfter >> 3))
|
|
// 2. Scale - noop
|
|
// 3. Center - with avg, resulting val2:-61, val1:62
|
|
avg := big.NewInt(0).Add(big.NewInt(wantVal1Prio), big.NewInt(wantVal2Prio))
|
|
avg.Div(avg, big.NewInt(2))
|
|
wantVal2Prio -= avg.Int64() // -61
|
|
wantVal1Prio -= avg.Int64() // 62
|
|
|
|
// 4. Steps from IncrementProposerPriority
|
|
wantVal1Prio += val1VotingPower // 72
|
|
wantVal2Prio += val2VotingPower // 39
|
|
wantVal1Prio -= totalPowerAfter // -38 as val1 is proposer
|
|
|
|
assert.Equal(t, wantVal1Prio, updatedVal1.ProposerPriority)
|
|
assert.Equal(t, wantVal2Prio, addedVal2.ProposerPriority)
|
|
|
|
// Updating a validator does not reset the ProposerPriority to zero:
|
|
// 1. Add - Val2 VotingPower change to 1 =>
|
|
updatedVotingPowVal2 := int64(1)
|
|
updateVal := abci.ValidatorUpdate{PubKey: fvp, Power: updatedVotingPowVal2}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates([]abci.ValidatorUpdate{updateVal})
|
|
assert.NoError(t, err)
|
|
|
|
// this will cause the diff of priorities (77)
|
|
// to be larger than threshold == 2*totalVotingPower (22):
|
|
updatedState3, err := sm.UpdateState(updatedState2, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
|
|
require.Equal(t, len(updatedState3.NextValidators.Validators), 2)
|
|
_, prevVal1 := updatedState3.Validators.GetByAddress(val1PubKey.Address())
|
|
_, prevVal2 := updatedState3.Validators.GetByAddress(val2PubKey.Address())
|
|
_, updatedVal1 = updatedState3.NextValidators.GetByAddress(val1PubKey.Address())
|
|
_, updatedVal2 := updatedState3.NextValidators.GetByAddress(val2PubKey.Address())
|
|
|
|
// 2. Scale
|
|
// old prios: v1(10):-38, v2(1):39
|
|
wantVal1Prio = prevVal1.ProposerPriority
|
|
wantVal2Prio = prevVal2.ProposerPriority
|
|
// scale to diffMax = 22 = 2 * tvp, diff=39-(-38)=77
|
|
// new totalPower
|
|
totalPower := updatedVal1.VotingPower + updatedVal2.VotingPower
|
|
dist := wantVal2Prio - wantVal1Prio
|
|
// ratio := (dist + 2*totalPower - 1) / 2*totalPower = 98/22 = 4
|
|
ratio := (dist + 2*totalPower - 1) / (2 * totalPower)
|
|
// v1(10):-38/4, v2(1):39/4
|
|
wantVal1Prio /= ratio // -9
|
|
wantVal2Prio /= ratio // 9
|
|
|
|
// 3. Center - noop
|
|
// 4. IncrementProposerPriority() ->
|
|
// v1(10):-9+10, v2(1):9+1 -> v2 proposer so subsract tvp(11)
|
|
// v1(10):1, v2(1):-1
|
|
wantVal2Prio += updatedVal2.VotingPower // 10 -> prop
|
|
wantVal1Prio += updatedVal1.VotingPower // 1
|
|
wantVal2Prio -= totalPower // -1
|
|
|
|
assert.Equal(t, wantVal2Prio, updatedVal2.ProposerPriority)
|
|
assert.Equal(t, wantVal1Prio, updatedVal1.ProposerPriority)
|
|
}
|
|
|
|
func TestProposerPriorityProposerAlternates(t *testing.T) {
|
|
// Regression test that would fail if the inner workings of
|
|
// IncrementProposerPriority change.
|
|
// Additionally, make sure that same power validators alternate if both
|
|
// have the same voting power (and the 2nd was added later).
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
val1VotingPower := int64(10)
|
|
val1PubKey := ed25519.GenPrivKey().PubKey()
|
|
val1 := &types.Validator{Address: val1PubKey.Address(), PubKey: val1PubKey, VotingPower: val1VotingPower}
|
|
|
|
// reset state validators to above validator
|
|
state.Validators = types.NewValidatorSet([]*types.Validator{val1})
|
|
state.NextValidators = state.Validators
|
|
// we only have one validator:
|
|
assert.Equal(t, val1PubKey.Address(), state.Validators.Proposer.Address)
|
|
|
|
block := makeBlock(state, state.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
// no updates:
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
updatedState, err := sm.UpdateState(state, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
|
|
// 0 + 10 (initial prio) - 10 (avg) - 10 (mostest - total) = -10
|
|
totalPower := val1VotingPower
|
|
wantVal1Prio := 0 + val1VotingPower - totalPower
|
|
assert.Equal(t, wantVal1Prio, updatedState.NextValidators.Validators[0].ProposerPriority)
|
|
assert.Equal(t, val1PubKey.Address(), updatedState.NextValidators.Proposer.Address)
|
|
|
|
// add a validator with the same voting power as the first
|
|
val2PubKey := ed25519.GenPrivKey().PubKey()
|
|
fvp, err := cryptoenc.PubKeyToProto(val2PubKey)
|
|
require.NoError(t, err)
|
|
updateAddVal := abci.ValidatorUpdate{PubKey: fvp, Power: val1VotingPower}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates([]abci.ValidatorUpdate{updateAddVal})
|
|
assert.NoError(t, err)
|
|
|
|
updatedState2, err := sm.UpdateState(updatedState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
|
|
require.Equal(t, len(updatedState2.NextValidators.Validators), 2)
|
|
assert.Equal(t, updatedState2.Validators, updatedState.NextValidators)
|
|
|
|
// val1 will still be proposer as val2 just got added:
|
|
assert.Equal(t, val1PubKey.Address(), updatedState.NextValidators.Proposer.Address)
|
|
assert.Equal(t, updatedState2.Validators.Proposer.Address, updatedState2.NextValidators.Proposer.Address)
|
|
assert.Equal(t, updatedState2.Validators.Proposer.Address, val1PubKey.Address())
|
|
assert.Equal(t, updatedState2.NextValidators.Proposer.Address, val1PubKey.Address())
|
|
|
|
_, updatedVal1 := updatedState2.NextValidators.GetByAddress(val1PubKey.Address())
|
|
_, oldVal1 := updatedState2.Validators.GetByAddress(val1PubKey.Address())
|
|
_, updatedVal2 := updatedState2.NextValidators.GetByAddress(val2PubKey.Address())
|
|
|
|
// 1. Add
|
|
val2VotingPower := val1VotingPower
|
|
totalPower = val1VotingPower + val2VotingPower // 20
|
|
v2PrioWhenAddedVal2 := -(totalPower + (totalPower >> 3)) // -22
|
|
// 2. Scale - noop
|
|
// 3. Center
|
|
avgSum := big.NewInt(0).Add(big.NewInt(v2PrioWhenAddedVal2), big.NewInt(oldVal1.ProposerPriority))
|
|
avg := avgSum.Div(avgSum, big.NewInt(2)) // -11
|
|
expectedVal2Prio := v2PrioWhenAddedVal2 - avg.Int64() // -11
|
|
expectedVal1Prio := oldVal1.ProposerPriority - avg.Int64() // 11
|
|
// 4. Increment
|
|
expectedVal2Prio += val2VotingPower // -11 + 10 = -1
|
|
expectedVal1Prio += val1VotingPower // 11 + 10 == 21
|
|
expectedVal1Prio -= totalPower // 1, val1 proposer
|
|
|
|
assert.EqualValues(t, expectedVal1Prio, updatedVal1.ProposerPriority)
|
|
assert.EqualValues(
|
|
t,
|
|
expectedVal2Prio,
|
|
updatedVal2.ProposerPriority,
|
|
"unexpected proposer priority for validator: %v",
|
|
updatedVal2,
|
|
)
|
|
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
updatedState3, err := sm.UpdateState(updatedState2, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
|
|
assert.Equal(t, updatedState3.Validators.Proposer.Address, updatedState3.NextValidators.Proposer.Address)
|
|
|
|
assert.Equal(t, updatedState3.Validators, updatedState2.NextValidators)
|
|
_, updatedVal1 = updatedState3.NextValidators.GetByAddress(val1PubKey.Address())
|
|
_, updatedVal2 = updatedState3.NextValidators.GetByAddress(val2PubKey.Address())
|
|
|
|
// val1 will still be proposer:
|
|
assert.Equal(t, val1PubKey.Address(), updatedState3.NextValidators.Proposer.Address)
|
|
|
|
// check if expected proposer prio is matched:
|
|
// Increment
|
|
expectedVal2Prio2 := expectedVal2Prio + val2VotingPower // -1 + 10 = 9
|
|
expectedVal1Prio2 := expectedVal1Prio + val1VotingPower // 1 + 10 == 11
|
|
expectedVal1Prio2 -= totalPower // -9, val1 proposer
|
|
|
|
assert.EqualValues(
|
|
t,
|
|
expectedVal1Prio2,
|
|
updatedVal1.ProposerPriority,
|
|
"unexpected proposer priority for validator: %v",
|
|
updatedVal2,
|
|
)
|
|
assert.EqualValues(
|
|
t,
|
|
expectedVal2Prio2,
|
|
updatedVal2.ProposerPriority,
|
|
"unexpected proposer priority for validator: %v",
|
|
updatedVal2,
|
|
)
|
|
|
|
// no changes in voting power and both validators have same voting power
|
|
// -> proposers should alternate:
|
|
oldState := updatedState3
|
|
abciResponses = &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
oldState, err = sm.UpdateState(oldState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
expectedVal1Prio2 = 1
|
|
expectedVal2Prio2 = -1
|
|
expectedVal1Prio = -9
|
|
expectedVal2Prio = 9
|
|
|
|
for i := 0; i < 1000; i++ {
|
|
// no validator updates:
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
updatedState, err := sm.UpdateState(oldState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
assert.NoError(t, err)
|
|
// alternate (and cyclic priorities):
|
|
assert.NotEqual(
|
|
t,
|
|
updatedState.Validators.Proposer.Address,
|
|
updatedState.NextValidators.Proposer.Address,
|
|
"iter: %v",
|
|
i,
|
|
)
|
|
assert.Equal(t, oldState.Validators.Proposer.Address, updatedState.NextValidators.Proposer.Address, "iter: %v", i)
|
|
|
|
_, updatedVal1 = updatedState.NextValidators.GetByAddress(val1PubKey.Address())
|
|
_, updatedVal2 = updatedState.NextValidators.GetByAddress(val2PubKey.Address())
|
|
|
|
if i%2 == 0 {
|
|
assert.Equal(t, updatedState.Validators.Proposer.Address, val2PubKey.Address())
|
|
assert.Equal(t, expectedVal1Prio, updatedVal1.ProposerPriority) // -19
|
|
assert.Equal(t, expectedVal2Prio, updatedVal2.ProposerPriority) // 0
|
|
} else {
|
|
assert.Equal(t, updatedState.Validators.Proposer.Address, val1PubKey.Address())
|
|
assert.Equal(t, expectedVal1Prio2, updatedVal1.ProposerPriority) // -9
|
|
assert.Equal(t, expectedVal2Prio2, updatedVal2.ProposerPriority) // -10
|
|
}
|
|
// update for next iteration:
|
|
oldState = updatedState
|
|
}
|
|
}
|
|
|
|
func TestLargeGenesisValidator(t *testing.T) {
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
|
|
genesisVotingPower := types.MaxTotalVotingPower / 1000
|
|
genesisPubKey := ed25519.GenPrivKey().PubKey()
|
|
// fmt.Println("genesis addr: ", genesisPubKey.Address())
|
|
genesisVal := &types.Validator{
|
|
Address: genesisPubKey.Address(),
|
|
PubKey: genesisPubKey,
|
|
VotingPower: genesisVotingPower,
|
|
}
|
|
// reset state validators to above validator
|
|
state.Validators = types.NewValidatorSet([]*types.Validator{genesisVal})
|
|
state.NextValidators = state.Validators
|
|
require.True(t, len(state.Validators.Validators) == 1)
|
|
|
|
// update state a few times with no validator updates
|
|
// asserts that the single validator's ProposerPrio stays the same
|
|
oldState := state
|
|
for i := 0; i < 10; i++ {
|
|
// no updates:
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
block := makeBlock(oldState, oldState.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
|
|
updatedState, err := sm.UpdateState(oldState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
// no changes in voting power (ProposerPrio += VotingPower == Voting in 1st round; than shiftByAvg == 0,
|
|
// than -Total == -Voting)
|
|
// -> no change in ProposerPrio (stays zero):
|
|
assert.EqualValues(t, oldState.NextValidators, updatedState.NextValidators)
|
|
assert.EqualValues(t, 0, updatedState.NextValidators.Proposer.ProposerPriority)
|
|
|
|
oldState = updatedState
|
|
}
|
|
// add another validator, do a few iterations (create blocks),
|
|
// add more validators with same voting power as the 2nd
|
|
// let the genesis validator "unbond",
|
|
// see how long it takes until the effect wears off and both begin to alternate
|
|
// see: https://github.com/tendermint/tendermint/issues/2960
|
|
firstAddedValPubKey := ed25519.GenPrivKey().PubKey()
|
|
firstAddedValVotingPower := int64(10)
|
|
fvp, err := cryptoenc.PubKeyToProto(firstAddedValPubKey)
|
|
require.NoError(t, err)
|
|
firstAddedVal := abci.ValidatorUpdate{PubKey: fvp, Power: firstAddedValVotingPower}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates([]abci.ValidatorUpdate{firstAddedVal})
|
|
assert.NoError(t, err)
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: []abci.ValidatorUpdate{firstAddedVal}},
|
|
}
|
|
block := makeBlock(oldState, oldState.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
updatedState, err := sm.UpdateState(oldState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
lastState := updatedState
|
|
for i := 0; i < 200; i++ {
|
|
// no updates:
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
block := makeBlock(lastState, lastState.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
|
|
updatedStateInner, err := sm.UpdateState(lastState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
lastState = updatedStateInner
|
|
}
|
|
// set state to last state of above iteration
|
|
state = lastState
|
|
|
|
// set oldState to state before above iteration
|
|
oldState = updatedState
|
|
_, oldGenesisVal := oldState.NextValidators.GetByAddress(genesisVal.Address)
|
|
_, newGenesisVal := state.NextValidators.GetByAddress(genesisVal.Address)
|
|
_, addedOldVal := oldState.NextValidators.GetByAddress(firstAddedValPubKey.Address())
|
|
_, addedNewVal := state.NextValidators.GetByAddress(firstAddedValPubKey.Address())
|
|
// expect large negative proposer priority for both (genesis validator decreased, 2nd validator increased):
|
|
assert.True(t, oldGenesisVal.ProposerPriority > newGenesisVal.ProposerPriority)
|
|
assert.True(t, addedOldVal.ProposerPriority < addedNewVal.ProposerPriority)
|
|
|
|
// add 10 validators with the same voting power as the one added directly after genesis:
|
|
for i := 0; i < 10; i++ {
|
|
addedPubKey := ed25519.GenPrivKey().PubKey()
|
|
ap, err := cryptoenc.PubKeyToProto(addedPubKey)
|
|
require.NoError(t, err)
|
|
addedVal := abci.ValidatorUpdate{PubKey: ap, Power: firstAddedValVotingPower}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates([]abci.ValidatorUpdate{addedVal})
|
|
assert.NoError(t, err)
|
|
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: []abci.ValidatorUpdate{addedVal}},
|
|
}
|
|
block := makeBlock(oldState, oldState.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
state, err = sm.UpdateState(state, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
}
|
|
require.Equal(t, 10+2, len(state.NextValidators.Validators))
|
|
|
|
// remove genesis validator:
|
|
gp, err := cryptoenc.PubKeyToProto(genesisPubKey)
|
|
require.NoError(t, err)
|
|
removeGenesisVal := abci.ValidatorUpdate{PubKey: gp, Power: 0}
|
|
abciResponses = &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: []abci.ValidatorUpdate{removeGenesisVal}},
|
|
}
|
|
block = makeBlock(oldState, oldState.LastBlockHeight+1)
|
|
blockID = types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
updatedState, err = sm.UpdateState(state, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
// only the first added val (not the genesis val) should be left
|
|
assert.Equal(t, 11, len(updatedState.NextValidators.Validators))
|
|
|
|
// call update state until the effect for the 3rd added validator
|
|
// being proposer for a long time after the genesis validator left wears off:
|
|
curState := updatedState
|
|
count := 0
|
|
isProposerUnchanged := true
|
|
for isProposerUnchanged {
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
block = makeBlock(curState, curState.LastBlockHeight+1)
|
|
blockID = types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
curState, err = sm.UpdateState(curState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
if !bytes.Equal(curState.Validators.Proposer.Address, curState.NextValidators.Proposer.Address) {
|
|
isProposerUnchanged = false
|
|
}
|
|
count++
|
|
}
|
|
updatedState = curState
|
|
// the proposer changes after this number of blocks
|
|
firstProposerChangeExpectedAfter := 1
|
|
assert.Equal(t, firstProposerChangeExpectedAfter, count)
|
|
// store proposers here to see if we see them again in the same order:
|
|
numVals := len(updatedState.Validators.Validators)
|
|
proposers := make([]*types.Validator, numVals)
|
|
for i := 0; i < 100; i++ {
|
|
// no updates:
|
|
abciResponses := &tmstate.ABCIResponses{
|
|
BeginBlock: &abci.ResponseBeginBlock{},
|
|
EndBlock: &abci.ResponseEndBlock{ValidatorUpdates: nil},
|
|
}
|
|
validatorUpdates, err := types.PB2TM.ValidatorUpdates(abciResponses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
|
|
block := makeBlock(updatedState, updatedState.LastBlockHeight+1)
|
|
blockID := types.BlockID{Hash: block.Hash(), PartSetHeader: block.MakePartSet(testPartSize).Header()}
|
|
|
|
updatedState, err = sm.UpdateState(updatedState, blockID, &block.Header, abciResponses, validatorUpdates)
|
|
require.NoError(t, err)
|
|
if i > numVals { // expect proposers to cycle through after the first iteration (of numVals blocks):
|
|
if proposers[i%numVals] == nil {
|
|
proposers[i%numVals] = updatedState.NextValidators.Proposer
|
|
} else {
|
|
assert.Equal(t, proposers[i%numVals], updatedState.NextValidators.Proposer)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestStoreLoadValidatorsIncrementsProposerPriority(t *testing.T) {
|
|
const valSetSize = 2
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
state.Validators = genValSet(valSetSize)
|
|
state.NextValidators = state.Validators.CopyIncrementProposerPriority(1)
|
|
sm.SaveState(stateDB, state)
|
|
|
|
nextHeight := state.LastBlockHeight + 1
|
|
|
|
v0, err := sm.LoadValidators(stateDB, nextHeight)
|
|
assert.Nil(t, err)
|
|
acc0 := v0.Validators[0].ProposerPriority
|
|
|
|
v1, err := sm.LoadValidators(stateDB, nextHeight+1)
|
|
assert.Nil(t, err)
|
|
acc1 := v1.Validators[0].ProposerPriority
|
|
|
|
assert.NotEqual(t, acc1, acc0, "expected ProposerPriority value to change between heights")
|
|
}
|
|
|
|
// TestValidatorChangesSaveLoad tests saving and loading a validator set with
|
|
// changes.
|
|
func TestManyValidatorChangesSaveLoad(t *testing.T) {
|
|
const valSetSize = 7
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
require.Equal(t, int64(0), state.LastBlockHeight)
|
|
state.Validators = genValSet(valSetSize)
|
|
state.NextValidators = state.Validators.CopyIncrementProposerPriority(1)
|
|
sm.SaveState(stateDB, state)
|
|
|
|
_, valOld := state.Validators.GetByIndex(0)
|
|
var pubkeyOld = valOld.PubKey
|
|
pubkey := ed25519.GenPrivKey().PubKey()
|
|
|
|
// Swap the first validator with a new one (validator set size stays the same).
|
|
header, blockID, responses := makeHeaderPartsResponsesValPubKeyChange(state, pubkey)
|
|
|
|
// Save state etc.
|
|
var err error
|
|
var validatorUpdates []*types.Validator
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(responses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
state, err = sm.UpdateState(state, blockID, &header, responses, validatorUpdates)
|
|
require.Nil(t, err)
|
|
nextHeight := state.LastBlockHeight + 1
|
|
sm.SaveValidatorsInfo(stateDB, nextHeight+1, state.LastHeightValidatorsChanged, state.NextValidators)
|
|
|
|
// Load nextheight, it should be the oldpubkey.
|
|
v0, err := sm.LoadValidators(stateDB, nextHeight)
|
|
assert.Nil(t, err)
|
|
assert.Equal(t, valSetSize, v0.Size())
|
|
index, val := v0.GetByAddress(pubkeyOld.Address())
|
|
assert.NotNil(t, val)
|
|
if index < 0 {
|
|
t.Fatal("expected to find old validator")
|
|
}
|
|
|
|
// Load nextheight+1, it should be the new pubkey.
|
|
v1, err := sm.LoadValidators(stateDB, nextHeight+1)
|
|
assert.Nil(t, err)
|
|
assert.Equal(t, valSetSize, v1.Size())
|
|
index, val = v1.GetByAddress(pubkey.Address())
|
|
assert.NotNil(t, val)
|
|
if index < 0 {
|
|
t.Fatal("expected to find newly added validator")
|
|
}
|
|
}
|
|
|
|
func TestStateMakeBlock(t *testing.T) {
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
|
|
proposerAddress := state.Validators.GetProposer().Address
|
|
stateVersion := state.Version.Consensus
|
|
block := makeBlock(state, 2)
|
|
|
|
// test we set some fields
|
|
assert.Equal(t, stateVersion, block.Version)
|
|
assert.Equal(t, proposerAddress, block.ProposerAddress)
|
|
}
|
|
|
|
// TestConsensusParamsChangesSaveLoad tests saving and loading consensus params
|
|
// with changes.
|
|
func TestConsensusParamsChangesSaveLoad(t *testing.T) {
|
|
tearDown, stateDB, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
|
|
// Change vals at these heights.
|
|
changeHeights := []int64{1, 2, 4, 5, 10, 15, 16, 17, 20}
|
|
N := len(changeHeights)
|
|
|
|
// Each valset is just one validator.
|
|
// create list of them.
|
|
params := make([]tmproto.ConsensusParams, N+1)
|
|
params[0] = state.ConsensusParams
|
|
for i := 1; i < N+1; i++ {
|
|
params[i] = *types.DefaultConsensusParams()
|
|
params[i].Block.MaxBytes += int64(i)
|
|
}
|
|
|
|
// Build the params history by running updateState
|
|
// with the right params set for each height.
|
|
highestHeight := changeHeights[N-1] + 5
|
|
changeIndex := 0
|
|
cp := params[changeIndex]
|
|
var err error
|
|
var validatorUpdates []*types.Validator
|
|
for i := int64(1); i < highestHeight; i++ {
|
|
// When we get to a change height, use the next params.
|
|
if changeIndex < len(changeHeights) && i == changeHeights[changeIndex] {
|
|
changeIndex++
|
|
cp = params[changeIndex]
|
|
}
|
|
header, blockID, responses := makeHeaderPartsResponsesParams(state, cp)
|
|
validatorUpdates, err = types.PB2TM.ValidatorUpdates(responses.EndBlock.ValidatorUpdates)
|
|
require.NoError(t, err)
|
|
state, err = sm.UpdateState(state, blockID, &header, responses, validatorUpdates)
|
|
|
|
require.Nil(t, err)
|
|
nextHeight := state.LastBlockHeight + 1
|
|
sm.SaveConsensusParamsInfo(stateDB, nextHeight, state.LastHeightConsensusParamsChanged, state.ConsensusParams)
|
|
}
|
|
|
|
// Make all the test cases by using the same params until after the change.
|
|
testCases := make([]paramsChangeTestCase, highestHeight)
|
|
changeIndex = 0
|
|
cp = params[changeIndex]
|
|
for i := int64(1); i < highestHeight+1; i++ {
|
|
// We get to the height after a change height use the next pubkey (note
|
|
// our counter starts at 0 this time).
|
|
if changeIndex < len(changeHeights) && i == changeHeights[changeIndex]+1 {
|
|
changeIndex++
|
|
cp = params[changeIndex]
|
|
}
|
|
testCases[i-1] = paramsChangeTestCase{i, cp}
|
|
}
|
|
|
|
for _, testCase := range testCases {
|
|
p, err := sm.LoadConsensusParams(stateDB, testCase.height)
|
|
assert.Nil(t, err, fmt.Sprintf("expected no err at height %d", testCase.height))
|
|
assert.EqualValues(t, testCase.params, p, fmt.Sprintf(`unexpected consensus params at
|
|
height %d`, testCase.height))
|
|
}
|
|
}
|
|
|
|
func TestStateProto(t *testing.T) {
|
|
tearDown, _, state := setupTestCase(t)
|
|
defer tearDown(t)
|
|
|
|
tc := []struct {
|
|
testName string
|
|
state *sm.State
|
|
expPass1 bool
|
|
expPass2 bool
|
|
}{
|
|
{"empty state", &sm.State{}, true, false},
|
|
{"nil failure state", nil, false, false},
|
|
{"success state", &state, true, true},
|
|
}
|
|
|
|
for _, tt := range tc {
|
|
tt := tt
|
|
pbs, err := tt.state.ToProto()
|
|
if !tt.expPass1 {
|
|
assert.Error(t, err)
|
|
} else {
|
|
assert.NoError(t, err, tt.testName)
|
|
}
|
|
|
|
smt, err := sm.StateFromProto(pbs)
|
|
if tt.expPass2 {
|
|
require.NoError(t, err, tt.testName)
|
|
require.Equal(t, tt.state, smt, tt.testName)
|
|
} else {
|
|
require.Error(t, err, tt.testName)
|
|
}
|
|
}
|
|
}
|