package types
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import (
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"context"
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"testing"
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"time"
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"github.com/gogo/protobuf/proto"
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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"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/tmhash"
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"github.com/tendermint/tendermint/internal/libs/protoio"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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)
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func examplePrevote() *Vote {
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return exampleVote(byte(tmproto.PrevoteType))
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}
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func examplePrecommit() *Vote {
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return exampleVote(byte(tmproto.PrecommitType))
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}
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func exampleVote(t byte) *Vote {
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var stamp, err = time.Parse(TimeFormat, "2017-12-25T03:00:01.234Z")
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if err != nil {
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panic(err)
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}
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return &Vote{
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Type: tmproto.SignedMsgType(t),
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Height: 12345,
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Round: 2,
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Timestamp: stamp,
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BlockID: BlockID{
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Hash: tmhash.Sum([]byte("blockID_hash")),
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PartSetHeader: PartSetHeader{
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Total: 1000000,
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Hash: tmhash.Sum([]byte("blockID_part_set_header_hash")),
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},
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},
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ValidatorAddress: crypto.AddressHash([]byte("validator_address")),
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ValidatorIndex: 56789,
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}
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}
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func TestVoteSignable(t *testing.T) {
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vote := examplePrecommit()
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v := vote.ToProto()
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signBytes := VoteSignBytes("test_chain_id", v)
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pb := CanonicalizeVote("test_chain_id", v)
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expected, err := protoio.MarshalDelimited(&pb)
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require.NoError(t, err)
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require.Equal(t, expected, signBytes, "Got unexpected sign bytes for Vote.")
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}
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func TestVoteSignBytesTestVectors(t *testing.T) {
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tests := []struct {
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chainID string
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vote *Vote
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want []byte
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}{
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0: {
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"", &Vote{},
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// NOTE: Height and Round are skipped here. This case needs to be considered while parsing.
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[]byte{0xd, 0x2a, 0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1},
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},
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// with proper (fixed size) height and round (PreCommit):
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1: {
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"", &Vote{Height: 1, Round: 1, Type: tmproto.PrecommitType},
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[]byte{
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0x21, // length
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0x8, // (field_number << 3) | wire_type
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0x2, // PrecommitType
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0x11, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height
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0x19, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round
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0x2a, // (field_number << 3) | wire_type
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// remaining fields (timestamp):
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0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1},
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},
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// with proper (fixed size) height and round (PreVote):
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2: {
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"", &Vote{Height: 1, Round: 1, Type: tmproto.PrevoteType},
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[]byte{
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0x21, // length
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0x8, // (field_number << 3) | wire_type
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0x1, // PrevoteType
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0x11, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height
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0x19, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round
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0x2a, // (field_number << 3) | wire_type
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// remaining fields (timestamp):
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0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1},
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},
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3: {
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"", &Vote{Height: 1, Round: 1},
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[]byte{
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0x1f, // length
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0x11, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height
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0x19, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round
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// remaining fields (timestamp):
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0x2a,
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0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1},
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},
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// containing non-empty chain_id:
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4: {
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"test_chain_id", &Vote{Height: 1, Round: 1},
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[]byte{
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0x2e, // length
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0x11, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // height
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0x19, // (field_number << 3) | wire_type
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0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, // round
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// remaining fields:
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0x2a, // (field_number << 3) | wire_type
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0xb, 0x8, 0x80, 0x92, 0xb8, 0xc3, 0x98, 0xfe, 0xff, 0xff, 0xff, 0x1, // timestamp
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// (field_number << 3) | wire_type
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0x32,
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0xd, 0x74, 0x65, 0x73, 0x74, 0x5f, 0x63, 0x68, 0x61, 0x69, 0x6e, 0x5f, 0x69, 0x64}, // chainID
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},
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}
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for i, tc := range tests {
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v := tc.vote.ToProto()
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got := VoteSignBytes(tc.chainID, v)
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assert.Equal(t, len(tc.want), len(got), "test case #%v: got unexpected sign bytes length for Vote.", i)
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assert.Equal(t, tc.want, got, "test case #%v: got unexpected sign bytes for Vote.", i)
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}
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}
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func TestVoteProposalNotEq(t *testing.T) {
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cv := CanonicalizeVote("", &tmproto.Vote{Height: 1, Round: 1})
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p := CanonicalizeProposal("", &tmproto.Proposal{Height: 1, Round: 1})
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vb, err := proto.Marshal(&cv)
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require.NoError(t, err)
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pb, err := proto.Marshal(&p)
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require.NoError(t, err)
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require.NotEqual(t, vb, pb)
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}
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func TestVoteVerifySignature(t *testing.T) {
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privVal := NewMockPV()
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pubkey, err := privVal.GetPubKey(context.Background())
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require.NoError(t, err)
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vote := examplePrecommit()
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v := vote.ToProto()
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signBytes := VoteSignBytes("test_chain_id", v)
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// sign it
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err = privVal.SignVote(context.Background(), "test_chain_id", v)
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require.NoError(t, err)
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// verify the same vote
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valid := pubkey.VerifySignature(VoteSignBytes("test_chain_id", v), v.Signature)
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require.True(t, valid)
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// serialize, deserialize and verify again....
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precommit := new(tmproto.Vote)
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bs, err := proto.Marshal(v)
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require.NoError(t, err)
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err = proto.Unmarshal(bs, precommit)
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require.NoError(t, err)
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// verify the transmitted vote
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newSignBytes := VoteSignBytes("test_chain_id", precommit)
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require.Equal(t, string(signBytes), string(newSignBytes))
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valid = pubkey.VerifySignature(newSignBytes, precommit.Signature)
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require.True(t, valid)
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}
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func TestIsVoteTypeValid(t *testing.T) {
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tc := []struct {
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name string
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in tmproto.SignedMsgType
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out bool
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}{
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{"Prevote", tmproto.PrevoteType, true},
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{"Precommit", tmproto.PrecommitType, true},
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{"InvalidType", tmproto.SignedMsgType(0x3), false},
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}
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for _, tt := range tc {
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tt := tt
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t.Run(tt.name, func(st *testing.T) {
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if rs := IsVoteTypeValid(tt.in); rs != tt.out {
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t.Errorf("got unexpected Vote type. Expected:\n%v\nGot:\n%v", rs, tt.out)
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}
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})
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}
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}
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func TestVoteVerify(t *testing.T) {
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privVal := NewMockPV()
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pubkey, err := privVal.GetPubKey(context.Background())
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require.NoError(t, err)
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vote := examplePrevote()
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vote.ValidatorAddress = pubkey.Address()
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err = vote.Verify("test_chain_id", ed25519.GenPrivKey().PubKey())
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if assert.Error(t, err) {
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assert.Equal(t, ErrVoteInvalidValidatorAddress, err)
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}
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err = vote.Verify("test_chain_id", pubkey)
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if assert.Error(t, err) {
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assert.Equal(t, ErrVoteInvalidSignature, err)
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}
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}
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func TestVoteString(t *testing.T) {
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str := examplePrecommit().String()
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expected := `Vote{56789:6AF1F4111082 12345/02/SIGNED_MSG_TYPE_PRECOMMIT(Precommit) 8B01023386C3 000000000000 @ 2017-12-25T03:00:01.234Z}`
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if str != expected {
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t.Errorf("got unexpected string for Vote. Expected:\n%v\nGot:\n%v", expected, str)
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}
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str2 := examplePrevote().String()
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expected = `Vote{56789:6AF1F4111082 12345/02/SIGNED_MSG_TYPE_PREVOTE(Prevote) 8B01023386C3 000000000000 @ 2017-12-25T03:00:01.234Z}`
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if str2 != expected {
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t.Errorf("got unexpected string for Vote. Expected:\n%v\nGot:\n%v", expected, str2)
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}
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}
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func TestVoteValidateBasic(t *testing.T) {
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privVal := NewMockPV()
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testCases := []struct {
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testName string
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malleateVote func(*Vote)
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expectErr bool
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}{
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{"Good Vote", func(v *Vote) {}, false},
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{"Negative Height", func(v *Vote) { v.Height = -1 }, true},
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{"Negative Round", func(v *Vote) { v.Round = -1 }, true},
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{"Invalid BlockID", func(v *Vote) {
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v.BlockID = BlockID{[]byte{1, 2, 3}, PartSetHeader{111, []byte("blockparts")}}
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}, true},
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{"Invalid Address", func(v *Vote) { v.ValidatorAddress = make([]byte, 1) }, true},
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{"Invalid ValidatorIndex", func(v *Vote) { v.ValidatorIndex = -1 }, true},
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{"Invalid Signature", func(v *Vote) { v.Signature = nil }, true},
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{"Too big Signature", func(v *Vote) { v.Signature = make([]byte, MaxSignatureSize+1) }, 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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vote := examplePrecommit()
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v := vote.ToProto()
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err := privVal.SignVote(context.Background(), "test_chain_id", v)
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vote.Signature = v.Signature
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require.NoError(t, err)
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tc.malleateVote(vote)
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assert.Equal(t, tc.expectErr, vote.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 TestVoteProtobuf(t *testing.T) {
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privVal := NewMockPV()
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vote := examplePrecommit()
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v := vote.ToProto()
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err := privVal.SignVote(context.Background(), "test_chain_id", v)
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vote.Signature = v.Signature
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require.NoError(t, err)
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testCases := []struct {
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msg string
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v1 *Vote
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expPass bool
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}{
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{"success", vote, true},
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{"fail vote validate basic", &Vote{}, false},
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{"failure nil", nil, false},
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}
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for _, tc := range testCases {
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protoProposal := tc.v1.ToProto()
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v, err := VoteFromProto(protoProposal)
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if tc.expPass {
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require.NoError(t, err)
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require.Equal(t, tc.v1, v, tc.msg)
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} else {
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require.Error(t, err)
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}
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}
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}
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