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174 lines
5.9 KiB
174 lines
5.9 KiB
package types
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import (
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"math"
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"testing"
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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/tendermint/crypto/secp256k1"
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"github.com/tendermint/tendermint/crypto/tmhash"
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)
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type voteData struct {
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vote1 *Vote
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vote2 *Vote
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valid bool
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}
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func makeVote(val PrivValidator, chainID string, valIndex int, height int64, round, step int, blockID BlockID) *Vote {
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addr := val.GetPubKey().Address()
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v := &Vote{
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ValidatorAddress: addr,
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ValidatorIndex: valIndex,
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Height: height,
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Round: round,
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Type: SignedMsgType(step),
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BlockID: blockID,
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}
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err := val.SignVote(chainID, v)
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if err != nil {
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panic(err)
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}
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return v
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}
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func TestEvidence(t *testing.T) {
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val := NewMockPV()
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val2 := NewMockPV()
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blockID := makeBlockID([]byte("blockhash"), 1000, []byte("partshash"))
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blockID2 := makeBlockID([]byte("blockhash2"), 1000, []byte("partshash"))
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blockID3 := makeBlockID([]byte("blockhash"), 10000, []byte("partshash"))
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blockID4 := makeBlockID([]byte("blockhash"), 10000, []byte("partshash2"))
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const chainID = "mychain"
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vote1 := makeVote(val, chainID, 0, 10, 2, 1, blockID)
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badVote := makeVote(val, chainID, 0, 10, 2, 1, blockID)
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err := val2.SignVote(chainID, badVote)
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if err != nil {
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panic(err)
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}
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cases := []voteData{
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{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID2), true}, // different block ids
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{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID3), true},
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{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID4), true},
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{vote1, makeVote(val, chainID, 0, 10, 2, 1, blockID), false}, // wrong block id
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{vote1, makeVote(val, "mychain2", 0, 10, 2, 1, blockID2), false}, // wrong chain id
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{vote1, makeVote(val, chainID, 1, 10, 2, 1, blockID2), false}, // wrong val index
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{vote1, makeVote(val, chainID, 0, 11, 2, 1, blockID2), false}, // wrong height
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{vote1, makeVote(val, chainID, 0, 10, 3, 1, blockID2), false}, // wrong round
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{vote1, makeVote(val, chainID, 0, 10, 2, 2, blockID2), false}, // wrong step
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{vote1, makeVote(val2, chainID, 0, 10, 2, 1, blockID), false}, // wrong validator
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{vote1, badVote, false}, // signed by wrong key
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}
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pubKey := val.GetPubKey()
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for _, c := range cases {
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ev := &DuplicateVoteEvidence{
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VoteA: c.vote1,
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VoteB: c.vote2,
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}
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if c.valid {
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assert.Nil(t, ev.Verify(chainID, pubKey), "evidence should be valid")
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} else {
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assert.NotNil(t, ev.Verify(chainID, pubKey), "evidence should be invalid")
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}
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}
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}
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func TestDuplicatedVoteEvidence(t *testing.T) {
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ev := randomDuplicatedVoteEvidence()
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assert.True(t, ev.Equal(ev))
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assert.False(t, ev.Equal(&DuplicateVoteEvidence{}))
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}
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func TestEvidenceList(t *testing.T) {
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ev := randomDuplicatedVoteEvidence()
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evl := EvidenceList([]Evidence{ev})
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assert.NotNil(t, evl.Hash())
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assert.True(t, evl.Has(ev))
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assert.False(t, evl.Has(&DuplicateVoteEvidence{}))
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}
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func TestMaxEvidenceBytes(t *testing.T) {
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val := NewMockPV()
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blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt64, tmhash.Sum([]byte("partshash")))
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blockID2 := makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt64, tmhash.Sum([]byte("partshash")))
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const chainID = "mychain"
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ev := &DuplicateVoteEvidence{
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PubKey: secp256k1.GenPrivKey().PubKey(), // use secp because it's pubkey is longer
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VoteA: makeVote(val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, math.MaxInt64, blockID),
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VoteB: makeVote(val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, math.MaxInt64, blockID2),
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}
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bz, err := cdc.MarshalBinaryLengthPrefixed(ev)
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require.NoError(t, err)
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assert.EqualValues(t, MaxEvidenceBytes, len(bz))
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}
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func randomDuplicatedVoteEvidence() *DuplicateVoteEvidence {
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val := NewMockPV()
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blockID := makeBlockID([]byte("blockhash"), 1000, []byte("partshash"))
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blockID2 := makeBlockID([]byte("blockhash2"), 1000, []byte("partshash"))
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const chainID = "mychain"
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return &DuplicateVoteEvidence{
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VoteA: makeVote(val, chainID, 0, 10, 2, 1, blockID),
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VoteB: makeVote(val, chainID, 0, 10, 2, 1, blockID2),
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}
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}
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func TestDuplicateVoteEvidenceValidation(t *testing.T) {
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val := NewMockPV()
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blockID := makeBlockID(tmhash.Sum([]byte("blockhash")), math.MaxInt64, tmhash.Sum([]byte("partshash")))
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blockID2 := makeBlockID(tmhash.Sum([]byte("blockhash2")), math.MaxInt64, tmhash.Sum([]byte("partshash")))
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const chainID = "mychain"
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testCases := []struct {
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testName string
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malleateEvidence func(*DuplicateVoteEvidence)
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expectErr bool
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}{
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{"Good DuplicateVoteEvidence", func(ev *DuplicateVoteEvidence) {}, false},
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{"Nil vote A", func(ev *DuplicateVoteEvidence) { ev.VoteA = nil }, true},
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{"Nil vote B", func(ev *DuplicateVoteEvidence) { ev.VoteB = nil }, true},
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{"Nil votes", func(ev *DuplicateVoteEvidence) {
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ev.VoteA = nil
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ev.VoteB = nil
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}, true},
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{"Invalid vote type", func(ev *DuplicateVoteEvidence) {
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ev.VoteA = makeVote(val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, 0, blockID2)
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}, true},
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{"Invalid vote order", func(ev *DuplicateVoteEvidence) {
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swap := ev.VoteA.Copy()
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ev.VoteA = ev.VoteB.Copy()
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ev.VoteB = swap
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}, true},
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}
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for _, tc := range testCases {
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tc := tc
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t.Run(tc.testName, func(t *testing.T) {
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pk := secp256k1.GenPrivKey().PubKey()
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vote1 := makeVote(val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, 0x02, blockID)
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vote2 := makeVote(val, chainID, math.MaxInt64, math.MaxInt64, math.MaxInt64, 0x02, blockID2)
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ev := NewDuplicateVoteEvidence(pk, vote1, vote2)
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tc.malleateEvidence(ev)
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assert.Equal(t, tc.expectErr, ev.ValidateBasic() != nil, "Validate Basic had an unexpected result")
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})
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}
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}
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func TestMockGoodEvidenceValidateBasic(t *testing.T) {
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goodEvidence := NewMockGoodEvidence(int64(1), 1, []byte{1})
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assert.Nil(t, goodEvidence.ValidateBasic())
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}
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func TestMockBadEvidenceValidateBasic(t *testing.T) {
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badEvidence := MockBadEvidence{MockGoodEvidence: NewMockGoodEvidence(int64(1), 1, []byte{1})}
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assert.Nil(t, badEvidence.ValidateBasic())
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}
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