package types import ( "math" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/tendermint/tendermint/crypto" "github.com/tendermint/tendermint/crypto/ed25519" "github.com/tendermint/tendermint/crypto/tmhash" ) func examplePrevote() *Vote { return exampleVote(byte(PrevoteType)) } func examplePrecommit() *Vote { return exampleVote(byte(PrecommitType)) } func exampleVote(t byte) *Vote { var stamp, err = time.Parse(TimeFormat, "2017-12-25T03:00:01.234Z") if err != nil { panic(err) } return &Vote{ Type: SignedMsgType(t), Height: 12345, Round: 2, Timestamp: stamp, BlockID: BlockID{ Hash: tmhash.Sum([]byte("blockID_hash")), PartsHeader: PartSetHeader{ Total: 1000000, Hash: tmhash.Sum([]byte("blockID_part_set_header_hash")), }, }, ValidatorAddress: crypto.AddressHash([]byte("validator_address")), ValidatorIndex: 56789, } } func TestVoteSignable(t *testing.T) { vote := examplePrecommit() signBytes := vote.SignBytes("test_chain_id") expected, err := cdc.MarshalBinaryLengthPrefixed(CanonicalizeVote("test_chain_id", vote)) require.NoError(t, err) require.Equal(t, expected, signBytes, "Got unexpected sign bytes for Vote.") } func TestVoteSignableTestVectors(t *testing.T) { vote := CanonicalizeVote("", &Vote{Height: 1, Round: 1}) tests := []struct { canonicalVote CanonicalVote want []byte }{ { CanonicalizeVote("", &Vote{}), // NOTE: Height and Round are skipped here. This case needs to be considered while parsing. // []byte{0x22, 0x9, 0x9, 0x0, 0x9, 0x6e, 0x88, 0xf1, 0xff, 0xff, 0xff}, []byte{0x22, 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1}, }, // with proper (fixed size) height and round (PreCommit): { CanonicalizeVote("", &Vote{Height: 1, Round: 1, Type: PrecommitType}), []byte{ 0x8, // (field_number << 3) | wire_type 0x2, // PrecommitType 0x11, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height 0x19, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round 0x22, // (field_number << 3) | wire_type // remaining fields (timestamp): 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1}, }, // with proper (fixed size) height and round (PreVote): { CanonicalizeVote("", &Vote{Height: 1, Round: 1, Type: PrevoteType}), []byte{ 0x8, // (field_number << 3) | wire_type 0x1, // PrevoteType 0x11, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height 0x19, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round 0x22, // (field_number << 3) | wire_type // remaining fields (timestamp): 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1}, }, { vote, []byte{ 0x11, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height 0x19, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round // remaining fields (timestamp): 0x22, 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1}, }, // containing non-empty chain_id: { CanonicalizeVote("test_chain_id", &Vote{Height: 1, Round: 1}), []byte{ 0x11, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height 0x19, // (field_number << 3) | wire_type 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round // remaining fields: 0x22, // (field_number << 3) | wire_type 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1, // timestamp 0x32, // (field_number << 3) | wire_type 0xd, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x63, 0x68, 0x61, 0x69, 0x6e, 0x5f, 0x69, 0x64}, // chainID }, } for i, tc := range tests { got, err := cdc.MarshalBinaryBare(tc.canonicalVote) require.NoError(t, err) require.Equal(t, tc.want, got, "test case #%v: got unexpected sign bytes for Vote.", i) } } func TestVoteProposalNotEq(t *testing.T) { cv := CanonicalizeVote("", &Vote{Height: 1, Round: 1}) p := CanonicalizeProposal("", &Proposal{Height: 1, Round: 1}) vb, err := cdc.MarshalBinaryLengthPrefixed(cv) require.NoError(t, err) pb, err := cdc.MarshalBinaryLengthPrefixed(p) require.NoError(t, err) require.NotEqual(t, vb, pb) } func TestVoteVerifySignature(t *testing.T) { privVal := NewMockPV() pubkey := privVal.GetPubKey() vote := examplePrecommit() signBytes := vote.SignBytes("test_chain_id") // sign it err := privVal.SignVote("test_chain_id", vote) require.NoError(t, err) // verify the same vote valid := pubkey.VerifyBytes(vote.SignBytes("test_chain_id"), vote.Signature) require.True(t, valid) // serialize, deserialize and verify again.... precommit := new(Vote) bs, err := cdc.MarshalBinaryLengthPrefixed(vote) require.NoError(t, err) err = cdc.UnmarshalBinaryLengthPrefixed(bs, &precommit) require.NoError(t, err) // verify the transmitted vote newSignBytes := precommit.SignBytes("test_chain_id") require.Equal(t, string(signBytes), string(newSignBytes)) valid = pubkey.VerifyBytes(newSignBytes, precommit.Signature) require.True(t, valid) } func TestIsVoteTypeValid(t *testing.T) { tc := []struct { name string in SignedMsgType out bool }{ {"Prevote", PrevoteType, true}, {"Precommit", PrecommitType, true}, {"InvalidType", SignedMsgType(0x3), false}, } for _, tt := range tc { tt := tt t.Run(tt.name, func(st *testing.T) { if rs := IsVoteTypeValid(tt.in); rs != tt.out { t.Errorf("Got unexpected Vote type. Expected:\n%v\nGot:\n%v", rs, tt.out) } }) } } func TestVoteVerify(t *testing.T) { privVal := NewMockPV() pubkey := privVal.GetPubKey() vote := examplePrevote() vote.ValidatorAddress = pubkey.Address() err := vote.Verify("test_chain_id", ed25519.GenPrivKey().PubKey()) if assert.Error(t, err) { assert.Equal(t, ErrVoteInvalidValidatorAddress, err) } err = vote.Verify("test_chain_id", pubkey) if assert.Error(t, err) { assert.Equal(t, ErrVoteInvalidSignature, err) } } func TestMaxVoteBytes(t *testing.T) { // time is varint encoded so need to pick the max. // year int, month Month, day, hour, min, sec, nsec int, loc *Location timestamp := time.Date(math.MaxInt64, 0, 0, 0, 0, 0, math.MaxInt64, time.UTC) vote := &Vote{ ValidatorAddress: crypto.AddressHash([]byte("validator_address")), ValidatorIndex: math.MaxInt64, Height: math.MaxInt64, Round: math.MaxInt64, Timestamp: timestamp, Type: PrevoteType, BlockID: BlockID{ Hash: tmhash.Sum([]byte("blockID_hash")), PartsHeader: PartSetHeader{ Total: math.MaxInt64, Hash: tmhash.Sum([]byte("blockID_part_set_header_hash")), }, }, } privVal := NewMockPV() err := privVal.SignVote("test_chain_id", vote) require.NoError(t, err) bz, err := cdc.MarshalBinaryLengthPrefixed(vote) require.NoError(t, err) assert.EqualValues(t, MaxVoteBytes, len(bz)) } func TestVoteString(t *testing.T) { str := examplePrecommit().String() expected := `Vote{56789:6AF1F4111082 12345/02/2(Precommit) 8B01023386C3 000000000000 @ 2017-12-25T03:00:01.234Z}` if str != expected { t.Errorf("Got unexpected string for Vote. Expected:\n%v\nGot:\n%v", expected, str) } str2 := examplePrevote().String() expected = `Vote{56789:6AF1F4111082 12345/02/1(Prevote) 8B01023386C3 000000000000 @ 2017-12-25T03:00:01.234Z}` if str2 != expected { t.Errorf("Got unexpected string for Vote. Expected:\n%v\nGot:\n%v", expected, str2) } } func TestVoteValidateBasic(t *testing.T) { privVal := NewMockPV() testCases := []struct { testName string malleateVote func(*Vote) expectErr bool }{ {"Good Vote", func(v *Vote) {}, false}, {"Negative Height", func(v *Vote) { v.Height = -1 }, true}, {"Negative Round", func(v *Vote) { v.Round = -1 }, true}, {"Invalid BlockID", func(v *Vote) { v.BlockID = BlockID{[]byte{1, 2, 3}, PartSetHeader{111, []byte("blockparts")}} }, true}, {"Invalid Address", func(v *Vote) { v.ValidatorAddress = make([]byte, 1) }, true}, {"Invalid ValidatorIndex", func(v *Vote) { v.ValidatorIndex = -1 }, true}, {"Invalid Signature", func(v *Vote) { v.Signature = nil }, true}, {"Too big Signature", func(v *Vote) { v.Signature = make([]byte, MaxSignatureSize+1) }, true}, } for _, tc := range testCases { t.Run(tc.testName, func(t *testing.T) { vote := examplePrecommit() err := privVal.SignVote("test_chain_id", vote) require.NoError(t, err) tc.malleateVote(vote) assert.Equal(t, tc.expectErr, vote.ValidateBasic() != nil, "Validate Basic had an unexpected result") }) } }