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323 lines
10 KiB
323 lines
10 KiB
package privval
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import (
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"context"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"os"
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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/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/crypto/tmhash"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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tmtime "github.com/tendermint/tendermint/libs/time"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/tendermint/tendermint/types"
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)
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func TestGenLoadValidator(t *testing.T) {
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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privVal, err := GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
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require.NoError(t, err)
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height := int64(100)
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privVal.LastSignState.Height = height
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require.NoError(t, privVal.Save())
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addr := privVal.GetAddress()
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privVal, err = LoadFilePV(tempKeyFile.Name(), tempStateFile.Name())
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assert.NoError(t, err)
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assert.Equal(t, addr, privVal.GetAddress(), "expected privval addr to be the same")
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assert.Equal(t, height, privVal.LastSignState.Height, "expected privval.LastHeight to have been saved")
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}
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func TestResetValidator(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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privVal, err := GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
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require.NoError(t, err)
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emptyState := FilePVLastSignState{filePath: tempStateFile.Name()}
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// new priv val has empty state
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assert.Equal(t, privVal.LastSignState, emptyState)
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// test vote
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height, round := int64(10), int32(1)
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voteType := tmproto.PrevoteType
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randBytes := tmrand.Bytes(tmhash.Size)
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blockID := types.BlockID{Hash: randBytes, PartSetHeader: types.PartSetHeader{}}
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vote := newVote(privVal.Key.Address, 0, height, round, voteType, blockID)
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err = privVal.SignVote(ctx, "mychainid", vote.ToProto())
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assert.NoError(t, err, "expected no error signing vote")
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// priv val after signing is not same as empty
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assert.NotEqual(t, privVal.LastSignState, emptyState)
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// priv val after AcceptNewConnection is same as empty
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require.NoError(t, privVal.Reset())
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assert.Equal(t, privVal.LastSignState, emptyState)
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}
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func TestLoadOrGenValidator(t *testing.T) {
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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tempKeyFilePath := tempKeyFile.Name()
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if err := os.Remove(tempKeyFilePath); err != nil {
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t.Error(err)
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}
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tempStateFilePath := tempStateFile.Name()
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if err := os.Remove(tempStateFilePath); err != nil {
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t.Error(err)
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}
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privVal, err := LoadOrGenFilePV(tempKeyFilePath, tempStateFilePath)
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require.NoError(t, err)
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addr := privVal.GetAddress()
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privVal, err = LoadOrGenFilePV(tempKeyFilePath, tempStateFilePath)
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require.NoError(t, err)
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assert.Equal(t, addr, privVal.GetAddress(), "expected privval addr to be the same")
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}
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func TestUnmarshalValidatorState(t *testing.T) {
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// create some fixed values
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serialized := `{
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"height": "1",
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"round": 1,
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"step": 1
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}`
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val := FilePVLastSignState{}
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err := json.Unmarshal([]byte(serialized), &val)
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require.NoError(t, err)
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// make sure the values match
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assert.EqualValues(t, val.Height, 1)
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assert.EqualValues(t, val.Round, 1)
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assert.EqualValues(t, val.Step, 1)
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// export it and make sure it is the same
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out, err := json.Marshal(val)
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require.NoError(t, err)
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assert.JSONEq(t, serialized, string(out))
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}
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func TestUnmarshalValidatorKey(t *testing.T) {
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// create some fixed values
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privKey := ed25519.GenPrivKey()
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pubKey := privKey.PubKey()
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addr := pubKey.Address()
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pubBytes := pubKey.Bytes()
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privBytes := privKey.Bytes()
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pubB64 := base64.StdEncoding.EncodeToString(pubBytes)
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privB64 := base64.StdEncoding.EncodeToString(privBytes)
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serialized := fmt.Sprintf(`{
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"address": "%s",
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"pub_key": {
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"type": "tendermint/PubKeyEd25519",
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"value": "%s"
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},
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"priv_key": {
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"type": "tendermint/PrivKeyEd25519",
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"value": "%s"
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}
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}`, addr, pubB64, privB64)
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val := FilePVKey{}
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err := json.Unmarshal([]byte(serialized), &val)
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require.NoError(t, err)
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// make sure the values match
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assert.EqualValues(t, addr, val.Address)
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assert.EqualValues(t, pubKey, val.PubKey)
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assert.EqualValues(t, privKey, val.PrivKey)
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// export it and make sure it is the same
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out, err := json.Marshal(val)
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require.NoError(t, err)
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assert.JSONEq(t, serialized, string(out))
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}
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func TestSignVote(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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privVal, err := GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
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require.NoError(t, err)
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randbytes := tmrand.Bytes(tmhash.Size)
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randbytes2 := tmrand.Bytes(tmhash.Size)
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block1 := types.BlockID{Hash: randbytes,
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PartSetHeader: types.PartSetHeader{Total: 5, Hash: randbytes}}
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block2 := types.BlockID{Hash: randbytes2,
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PartSetHeader: types.PartSetHeader{Total: 10, Hash: randbytes2}}
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height, round := int64(10), int32(1)
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voteType := tmproto.PrevoteType
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// sign a vote for first time
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vote := newVote(privVal.Key.Address, 0, height, round, voteType, block1)
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v := vote.ToProto()
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err = privVal.SignVote(ctx, "mychainid", v)
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assert.NoError(t, err, "expected no error signing vote")
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// try to sign the same vote again; should be fine
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err = privVal.SignVote(ctx, "mychainid", v)
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assert.NoError(t, err, "expected no error on signing same vote")
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// now try some bad votes
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cases := []*types.Vote{
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newVote(privVal.Key.Address, 0, height, round-1, voteType, block1), // round regression
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newVote(privVal.Key.Address, 0, height-1, round, voteType, block1), // height regression
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newVote(privVal.Key.Address, 0, height-2, round+4, voteType, block1), // height regression and different round
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newVote(privVal.Key.Address, 0, height, round, voteType, block2), // different block
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}
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for _, c := range cases {
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assert.Error(t, privVal.SignVote(ctx, "mychainid", c.ToProto()),
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"expected error on signing conflicting vote")
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}
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// try signing a vote with a different time stamp
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sig := vote.Signature
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vote.Timestamp = vote.Timestamp.Add(time.Duration(1000))
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err = privVal.SignVote(ctx, "mychainid", v)
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assert.NoError(t, err)
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assert.Equal(t, sig, vote.Signature)
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}
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func TestSignProposal(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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privVal, err := GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
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require.NoError(t, err)
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randbytes := tmrand.Bytes(tmhash.Size)
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randbytes2 := tmrand.Bytes(tmhash.Size)
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block1 := types.BlockID{Hash: randbytes,
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PartSetHeader: types.PartSetHeader{Total: 5, Hash: randbytes}}
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block2 := types.BlockID{Hash: randbytes2,
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PartSetHeader: types.PartSetHeader{Total: 10, Hash: randbytes2}}
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height, round := int64(10), int32(1)
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// sign a proposal for first time
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ts := tmtime.Now()
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proposal := newProposal(height, round, block1, ts)
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pbp := proposal.ToProto()
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err = privVal.SignProposal(ctx, "mychainid", pbp)
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assert.NoError(t, err, "expected no error signing proposal")
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// try to sign the same proposal again; should be fine
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err = privVal.SignProposal(ctx, "mychainid", pbp)
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assert.NoError(t, err, "expected no error on signing same proposal")
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// now try some bad Proposals
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cases := []*types.Proposal{
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newProposal(height, round-1, block1, ts), // round regression
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newProposal(height-1, round, block1, ts), // height regression
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newProposal(height-2, round+4, block1, ts), // height regression and different round
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newProposal(height, round, block2, ts), // different block
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newProposal(height, round, block1, ts.Add(time.Second)), // different timestamp
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}
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for _, c := range cases {
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assert.Errorf(t, privVal.SignProposal(ctx, "mychainid", c.ToProto()),
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"expected error on signing conflicting proposal")
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}
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}
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func TestDifferByTimestamp(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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tempKeyFile, err := os.CreateTemp("", "priv_validator_key_")
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require.NoError(t, err)
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tempStateFile, err := os.CreateTemp("", "priv_validator_state_")
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require.NoError(t, err)
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privVal, err := GenFilePV(tempKeyFile.Name(), tempStateFile.Name(), "")
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require.NoError(t, err)
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randbytes := tmrand.Bytes(tmhash.Size)
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height, round := int64(10), int32(1)
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chainID := "mychainid"
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// test vote
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{
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voteType := tmproto.PrevoteType
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blockID := types.BlockID{Hash: randbytes, PartSetHeader: types.PartSetHeader{}}
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vote := newVote(privVal.Key.Address, 0, height, round, voteType, blockID)
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v := vote.ToProto()
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err := privVal.SignVote(ctx, "mychainid", v)
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require.NoError(t, err, "expected no error signing vote")
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signBytes := types.VoteSignBytes(chainID, v)
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sig := v.Signature
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timeStamp := vote.Timestamp
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// manipulate the timestamp. should get changed back
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v.Timestamp = v.Timestamp.Add(time.Millisecond)
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var emptySig []byte
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v.Signature = emptySig
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err = privVal.SignVote(ctx, "mychainid", v)
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require.NoError(t, err, "expected no error on signing same vote")
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assert.Equal(t, timeStamp, v.Timestamp)
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assert.Equal(t, signBytes, types.VoteSignBytes(chainID, v))
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assert.Equal(t, sig, v.Signature)
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}
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}
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func newVote(addr types.Address, idx int32, height int64, round int32,
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typ tmproto.SignedMsgType, blockID types.BlockID) *types.Vote {
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return &types.Vote{
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ValidatorAddress: addr,
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ValidatorIndex: idx,
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Height: height,
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Round: round,
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Type: typ,
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Timestamp: tmtime.Now(),
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BlockID: blockID,
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}
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}
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func newProposal(height int64, round int32, blockID types.BlockID, t time.Time) *types.Proposal {
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return &types.Proposal{
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Height: height,
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Round: round,
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BlockID: blockID,
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Timestamp: t,
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}
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}
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