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162 lines
4.6 KiB
162 lines
4.6 KiB
package e2e_test
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/require"
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e2e "github.com/tendermint/tendermint/test/e2e/pkg"
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"github.com/tendermint/tendermint/types"
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)
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// Tests that validator sets are available and correct according to
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// scheduled validator updates.
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func TestValidator_Sets(t *testing.T) {
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testNode(t, func(t *testing.T, node e2e.Node) {
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client, err := node.Client()
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require.NoError(t, err)
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status, err := client.Status(ctx)
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require.NoError(t, err)
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first := status.SyncInfo.EarliestBlockHeight
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last := status.SyncInfo.LatestBlockHeight
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// skip first block if node is pruning blocks, to avoid race conditions
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if node.RetainBlocks > 0 {
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first++
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}
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valSchedule := newValidatorSchedule(*node.Testnet)
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valSchedule.Increment(first - node.Testnet.InitialHeight)
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for h := first; h <= last; h++ {
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validators := []*types.Validator{}
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perPage := 100
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for page := 1; ; page++ {
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resp, err := client.Validators(ctx, &(h), &(page), &perPage)
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require.NoError(t, err)
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validators = append(validators, resp.Validators...)
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if len(validators) == resp.Total {
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break
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}
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}
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require.Equal(t, valSchedule.Set.Validators, validators,
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"incorrect validator set at height %v", h)
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valSchedule.Increment(1)
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}
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})
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}
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// Tests that a validator proposes blocks when it's supposed to. It tolerates some
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// missed blocks, e.g. due to testnet perturbations.
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func TestValidator_Propose(t *testing.T) {
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blocks := fetchBlockChain(t)
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testNode(t, func(t *testing.T, node e2e.Node) {
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if node.Mode != e2e.ModeValidator {
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return
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}
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address := node.Key.PubKey().Address()
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valSchedule := newValidatorSchedule(*node.Testnet)
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expectCount := 0
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proposeCount := 0
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for _, block := range blocks {
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if bytes.Equal(valSchedule.Set.Proposer.Address, address) {
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expectCount++
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if bytes.Equal(block.ProposerAddress, address) {
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proposeCount++
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}
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}
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valSchedule.Increment(1)
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}
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require.False(t, proposeCount == 0 && expectCount > 0,
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"node did not propose any blocks (expected %v)", expectCount)
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require.Less(t, expectCount-proposeCount, 5,
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"validator missed proposing too many blocks (proposed %v out of %v)", proposeCount, expectCount)
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})
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}
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// Tests that a validator signs blocks when it's supposed to. It tolerates some
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// missed blocks, e.g. due to testnet perturbations.
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func TestValidator_Sign(t *testing.T) {
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blocks := fetchBlockChain(t)
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testNode(t, func(t *testing.T, node e2e.Node) {
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if node.Mode != e2e.ModeValidator {
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return
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}
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address := node.Key.PubKey().Address()
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valSchedule := newValidatorSchedule(*node.Testnet)
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expectCount := 0
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signCount := 0
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for _, block := range blocks[1:] { // Skip first block, since it has no signatures
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signed := false
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for _, sig := range block.LastCommit.Signatures {
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if bytes.Equal(sig.ValidatorAddress, address) {
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signed = true
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break
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}
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}
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if valSchedule.Set.HasAddress(address) {
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expectCount++
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if signed {
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signCount++
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}
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} else {
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require.False(t, signed, "unexpected signature for block %v", block.LastCommit.Height)
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}
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valSchedule.Increment(1)
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}
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require.False(t, signCount == 0 && expectCount > 0,
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"node did not sign any blocks (expected %v)", expectCount)
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require.Less(t, float64(expectCount-signCount)/float64(expectCount), 0.5,
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"validator missed signing too many blocks (signed %v out of %v)", signCount, expectCount)
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})
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}
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// validatorSchedule is a validator set iterator, which takes into account
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// validator set updates.
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type validatorSchedule struct {
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Set *types.ValidatorSet
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height int64
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updates map[int64]map[*e2e.Node]int64
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}
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func newValidatorSchedule(testnet e2e.Testnet) *validatorSchedule {
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valMap := testnet.Validators // genesis validators
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if v, ok := testnet.ValidatorUpdates[0]; ok { // InitChain validators
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valMap = v
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}
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return &validatorSchedule{
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height: testnet.InitialHeight,
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Set: types.NewValidatorSet(makeVals(valMap)),
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updates: testnet.ValidatorUpdates,
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}
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}
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func (s *validatorSchedule) Increment(heights int64) {
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for i := int64(0); i < heights; i++ {
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s.height++
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if s.height > 2 {
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// validator set updates are offset by 2, since they only take effect
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// two blocks after they're returned.
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if update, ok := s.updates[s.height-2]; ok {
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if err := s.Set.UpdateWithChangeSet(makeVals(update)); err != nil {
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panic(err)
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}
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}
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}
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s.Set.IncrementProposerPriority(1)
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}
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}
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func makeVals(valMap map[*e2e.Node]int64) []*types.Validator {
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vals := make([]*types.Validator, 0, len(valMap))
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for node, power := range valMap {
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vals = append(vals, types.NewValidator(node.Key.PubKey(), power))
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}
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return vals
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}
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