package types import ( "math" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/tendermint/tendermint/crypto/ed25519" "github.com/tendermint/tendermint/crypto/tmhash" tmtime "github.com/tendermint/tendermint/types/time" ) func examplePrevote() *Vote { return exampleVote(VoteTypePrevote) } func examplePrecommit() *Vote { return exampleVote(VoteTypePrecommit) } func exampleVote(t byte) *Vote { var stamp, err = time.Parse(TimeFormat, "2017-12-25T03:00:01.234Z") if err != nil { panic(err) } return &Vote{ ValidatorAddress: tmhash.Sum([]byte("validator_address")), ValidatorIndex: 56789, Height: 12345, Round: 2, Timestamp: stamp, Type: t, BlockID: BlockID{ Hash: tmhash.Sum([]byte("blockID_hash")), PartsHeader: PartSetHeader{ Total: 1000000, Hash: tmhash.Sum([]byte("blockID_part_set_header_hash")), }, }, } } func TestVoteSignable(t *testing.T) { vote := examplePrecommit() signBytes := vote.SignBytes("test_chain_id") signStr := string(signBytes) expected := `{"@chain_id":"test_chain_id","@type":"vote","block_id":{"hash":"8B01023386C371778ECB6368573E539AFC3CC860","parts":{"hash":"72DB3D959635DFF1BB567BEDAA70573392C51596","total":"1000000"}},"height":"12345","round":"2","timestamp":"2017-12-25T03:00:01.234Z","type":2}` if signStr != expected { // NOTE: when this fails, you probably want to fix up consensus/replay_test too t.Errorf("Got unexpected sign string for Vote. Expected:\n%v\nGot:\n%v", expected, signStr) } } 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.MarshalBinary(vote) require.NoError(t, err) err = cdc.UnmarshalBinary(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 byte out bool }{ {"Prevote", VoteTypePrevote, true}, {"Precommit", VoteTypePrecommit, true}, {"InvalidType", byte(3), 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) { vote := &Vote{ ValidatorAddress: tmhash.Sum([]byte("validator_address")), ValidatorIndex: math.MaxInt64, Height: math.MaxInt64, Round: math.MaxInt64, Timestamp: tmtime.Now(), Type: VoteTypePrevote, 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.MarshalBinary(vote) require.NoError(t, err) assert.EqualValues(t, MaxVoteBytes, len(bz)) }