package state
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/abci/example/dummy"
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abci "github.com/tendermint/abci/types"
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crypto "github.com/tendermint/go-crypto"
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"github.com/tendermint/tendermint/proxy"
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"github.com/tendermint/tendermint/types"
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cmn "github.com/tendermint/tmlibs/common"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/tendermint/tmlibs/log"
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)
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var (
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privKey = crypto.GenPrivKeyEd25519FromSecret([]byte("execution_test"))
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chainID = "execution_chain"
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testPartSize = 65536
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nTxsPerBlock = 10
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)
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func TestApplyBlock(t *testing.T) {
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cc := proxy.NewLocalClientCreator(dummy.NewDummyApplication())
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proxyApp := proxy.NewAppConns(cc, nil)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state, stateDB := state(), dbm.NewMemDB()
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blockExec := NewBlockExecutor(stateDB, log.TestingLogger(), proxyApp.Consensus(),
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types.MockMempool{}, types.MockEvidencePool{})
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block := makeBlock(state, 1)
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blockID := types.BlockID{block.Hash(), block.MakePartSet(testPartSize).Header()}
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state, err = blockExec.ApplyBlock(state, blockID, block)
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require.Nil(t, err)
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// TODO check state and mempool
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}
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// TestBeginBlockAbsentValidators ensures we send absent validators list.
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func TestBeginBlockAbsentValidators(t *testing.T) {
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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc, nil)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state := state()
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prevHash := state.LastBlockID.Hash
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prevParts := types.PartSetHeader{}
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prevBlockID := types.BlockID{prevHash, prevParts}
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now := time.Now().UTC()
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testCases := []struct {
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desc string
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lastCommitPrecommits []*types.Vote
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expectedAbsentValidators []int32
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}{
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{"none absent", []*types.Vote{{ValidatorIndex: 0, Timestamp: now}, {ValidatorIndex: 1, Timestamp: now}}, []int32{}},
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{"one absent", []*types.Vote{{ValidatorIndex: 0, Timestamp: now}, nil}, []int32{1}},
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{"multiple absent", []*types.Vote{nil, nil}, []int32{0, 1}},
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}
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for _, tc := range testCases {
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lastCommit := &types.Commit{BlockID: prevBlockID, Precommits: tc.lastCommitPrecommits}
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block, _ := state.MakeBlock(2, makeTxs(2), lastCommit)
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_, err = ExecCommitBlock(proxyApp.Consensus(), block, log.TestingLogger())
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require.Nil(t, err, tc.desc)
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// -> app must receive an index of the absent validator
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assert.Equal(t, tc.expectedAbsentValidators, app.AbsentValidators, tc.desc)
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}
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}
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// TestBeginBlockByzantineValidators ensures we send byzantine validators list.
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func TestBeginBlockByzantineValidators(t *testing.T) {
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app := &testApp{}
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cc := proxy.NewLocalClientCreator(app)
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proxyApp := proxy.NewAppConns(cc, nil)
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err := proxyApp.Start()
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require.Nil(t, err)
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defer proxyApp.Stop()
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state := state()
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prevHash := state.LastBlockID.Hash
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prevParts := types.PartSetHeader{}
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prevBlockID := types.BlockID{prevHash, prevParts}
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height1, idx1, val1 := int64(8), 0, []byte("val1")
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height2, idx2, val2 := int64(3), 1, []byte("val2")
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ev1 := types.NewMockGoodEvidence(height1, idx1, val1)
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ev2 := types.NewMockGoodEvidence(height2, idx2, val2)
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testCases := []struct {
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desc string
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evidence []types.Evidence
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expectedByzantineValidators []abci.Evidence
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}{
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{"none byzantine", []types.Evidence{}, []abci.Evidence{}},
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{"one byzantine", []types.Evidence{ev1}, []abci.Evidence{{ev1.Address(), ev1.Height()}}},
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{"multiple byzantine", []types.Evidence{ev1, ev2}, []abci.Evidence{
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{ev1.Address(), ev1.Height()},
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{ev2.Address(), ev2.Height()}}},
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}
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for _, tc := range testCases {
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lastCommit := &types.Commit{BlockID: prevBlockID}
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block, _ := state.MakeBlock(10, makeTxs(2), lastCommit)
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block.Evidence.Evidence = tc.evidence
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_, err = ExecCommitBlock(proxyApp.Consensus(), block, log.TestingLogger())
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require.Nil(t, err, tc.desc)
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// -> app must receive an index of the byzantine validator
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assert.Equal(t, tc.expectedByzantineValidators, app.ByzantineValidators, tc.desc)
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}
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}
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//----------------------------------------------------------------------------
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// make some bogus txs
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func makeTxs(height int64) (txs []types.Tx) {
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for i := 0; i < nTxsPerBlock; i++ {
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txs = append(txs, types.Tx([]byte{byte(height), byte(i)}))
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}
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return txs
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}
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func state() State {
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s, _ := MakeGenesisState(&types.GenesisDoc{
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ChainID: chainID,
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Validators: []types.GenesisValidator{
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{privKey.PubKey(), 10000, "test"},
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},
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AppHash: nil,
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})
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return s
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}
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func makeBlock(state State, height int64) *types.Block {
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block, _ := state.MakeBlock(height, makeTxs(state.LastBlockHeight), new(types.Commit))
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return block
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}
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//----------------------------------------------------------------------------
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var _ abci.Application = (*testApp)(nil)
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type testApp struct {
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abci.BaseApplication
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AbsentValidators []int32
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ByzantineValidators []abci.Evidence
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}
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func NewDummyApplication() *testApp {
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return &testApp{}
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}
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func (app *testApp) Info(req abci.RequestInfo) (resInfo abci.ResponseInfo) {
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return abci.ResponseInfo{}
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}
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func (app *testApp) BeginBlock(req abci.RequestBeginBlock) abci.ResponseBeginBlock {
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app.AbsentValidators = req.AbsentValidators
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app.ByzantineValidators = req.ByzantineValidators
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return abci.ResponseBeginBlock{}
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}
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func (app *testApp) DeliverTx(tx []byte) abci.ResponseDeliverTx {
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return abci.ResponseDeliverTx{Tags: []cmn.KVPair{}}
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}
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func (app *testApp) CheckTx(tx []byte) abci.ResponseCheckTx {
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return abci.ResponseCheckTx{}
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}
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func (app *testApp) Commit() abci.ResponseCommit {
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return abci.ResponseCommit{}
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}
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func (app *testApp) Query(reqQuery abci.RequestQuery) (resQuery abci.ResponseQuery) {
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return
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}
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