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661 lines
17 KiB
661 lines
17 KiB
package lite
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import (
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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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dbm "github.com/tendermint/tm-db"
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"github.com/tendermint/tendermint/libs/log"
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mockp "github.com/tendermint/tendermint/lite2/provider/mock"
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dbs "github.com/tendermint/tendermint/lite2/store/db"
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"github.com/tendermint/tendermint/types"
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)
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func TestClient_SequentialVerification(t *testing.T) {
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const (
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chainID = "sequential-verification"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
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testCases := []struct {
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otherHeaders map[int64]*types.SignedHeader // all except ^
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vals map[int64]*types.ValidatorSet
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initErr bool
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verifyErr bool
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}{
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// good
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{
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// interim header (3/3 signed)
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2: keys.GenSignedHeader(chainID, 2, bTime.Add(1*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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// last header (3/3 signed)
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3: keys.GenSignedHeader(chainID, 3, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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4: vals,
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},
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false,
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false,
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},
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// bad: different first header
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{
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map[int64]*types.SignedHeader{
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// different header
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1: keys.GenSignedHeader(chainID, 1, bTime.Add(1*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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},
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true,
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false,
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},
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// bad: 1/3 signed interim header
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{
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// interim header (1/3 signed)
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2: keys.GenSignedHeader(chainID, 2, bTime.Add(1*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), len(keys)-1, len(keys)),
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// last header (3/3 signed)
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3: keys.GenSignedHeader(chainID, 3, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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4: vals,
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},
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false,
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true,
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},
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// bad: 1/3 signed last header
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{
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// interim header (3/3 signed)
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2: keys.GenSignedHeader(chainID, 2, bTime.Add(1*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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// last header (1/3 signed)
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3: keys.GenSignedHeader(chainID, 3, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), len(keys)-1, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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4: vals,
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},
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false,
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true,
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},
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}
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for _, tc := range testCases {
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header.Hash(),
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},
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mockp.New(
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chainID,
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tc.otherHeaders,
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tc.vals,
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),
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dbs.New(dbm.NewMemDB(), chainID),
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SequentialVerification(),
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)
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if tc.initErr {
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require.Error(t, err)
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continue
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} else {
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require.NoError(t, err)
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}
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defer c.Stop()
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_, err = c.VerifyHeaderAtHeight(3, bTime.Add(3*time.Hour))
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if tc.verifyErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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}
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}
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func TestClient_SkippingVerification(t *testing.T) {
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const (
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chainID = "skipping-verification"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
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// required for 2nd test case
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newKeys := genPrivKeys(4)
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newVals := newKeys.ToValidators(10, 1)
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testCases := []struct {
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otherHeaders map[int64]*types.SignedHeader // all except ^
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vals map[int64]*types.ValidatorSet
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initErr bool
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verifyErr bool
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}{
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// good
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{
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// last header (3/3 signed)
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3: keys.GenSignedHeader(chainID, 3, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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4: vals,
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},
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false,
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false,
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},
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// good, val set changes 100% at height 2
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{
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// interim header (3/3 signed)
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2: keys.GenSignedHeader(chainID, 2, bTime.Add(1*time.Hour), nil, vals, newVals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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// last header (0/4 of the original val set signed)
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3: newKeys.GenSignedHeader(chainID, 3, bTime.Add(2*time.Hour), nil, newVals, newVals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(newKeys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: newVals,
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4: newVals,
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},
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false,
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false,
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},
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}
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for _, tc := range testCases {
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header.Hash(),
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},
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mockp.New(
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chainID,
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tc.otherHeaders,
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tc.vals,
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),
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dbs.New(dbm.NewMemDB(), chainID),
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SkippingVerification(DefaultTrustLevel),
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)
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if tc.initErr {
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require.Error(t, err)
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continue
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} else {
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require.NoError(t, err)
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}
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defer c.Stop()
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_, err = c.VerifyHeaderAtHeight(3, bTime.Add(3*time.Hour))
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if tc.verifyErr {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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}
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}
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}
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func TestClientRemovesNoLongerTrustedHeaders(t *testing.T) {
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const (
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chainID = "TestClientRemovesNoLongerTrustedHeaders"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header.Hash(),
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},
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mockp.New(
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chainID,
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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// interim header (3/3 signed)
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2: keys.GenSignedHeader(chainID, 2, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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// last header (3/3 signed)
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3: keys.GenSignedHeader(chainID, 3, bTime.Add(4*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys)),
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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4: vals,
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},
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),
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dbs.New(dbm.NewMemDB(), chainID),
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)
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require.NoError(t, err)
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defer c.Stop()
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c.SetLogger(log.TestingLogger())
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// Verify new headers.
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_, err = c.VerifyHeaderAtHeight(2, bTime.Add(2*time.Hour).Add(1*time.Second))
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require.NoError(t, err)
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now := bTime.Add(4 * time.Hour).Add(1 * time.Second)
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_, err = c.VerifyHeaderAtHeight(3, now)
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require.NoError(t, err)
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// Remove expired headers.
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c.RemoveNoLongerTrustedHeaders(now)
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// Check expired headers are no longer available.
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h, err := c.TrustedHeader(1, now)
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assert.NoError(t, err)
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assert.Nil(t, h)
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// Check not expired headers are available.
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h, err = c.TrustedHeader(2, now)
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assert.NoError(t, err)
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assert.NotNil(t, h)
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}
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func TestClient_Cleanup(t *testing.T) {
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const (
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chainID = "TestClient_Cleanup"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header.Hash(),
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},
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mockp.New(
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chainID,
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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},
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),
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dbs.New(dbm.NewMemDB(), chainID),
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)
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require.NoError(t, err)
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c.SetLogger(log.TestingLogger())
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c.Cleanup()
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// Check no headers exist after Cleanup.
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h, err := c.TrustedHeader(1, bTime.Add(1*time.Second))
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assert.NoError(t, err)
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assert.Nil(t, h)
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}
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// trustedHeader.Height == options.Height
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func TestClientRestoreTrustedHeaderAfterStartup1(t *testing.T) {
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const (
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chainID = "TestClientRestoreTrustedHeaderAfterStartup1"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
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// 1. options.Hash == trustedHeader.Hash
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{
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trustedStore := dbs.New(dbm.NewMemDB(), chainID)
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err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
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require.NoError(t, err)
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header.Hash(),
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},
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mockp.New(
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chainID,
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map[int64]*types.SignedHeader{
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// trusted header
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1: header,
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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},
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),
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trustedStore,
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)
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require.NoError(t, err)
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c.SetLogger(log.TestingLogger())
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h, err := c.TrustedHeader(1, bTime.Add(1*time.Second))
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assert.NoError(t, err)
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assert.NotNil(t, h)
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assert.Equal(t, h.Hash(), header.Hash())
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}
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// 2. options.Hash != trustedHeader.Hash
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{
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trustedStore := dbs.New(dbm.NewMemDB(), chainID)
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err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
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require.NoError(t, err)
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// header1 != header
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header1 := keys.GenSignedHeader(chainID, 1, bTime.Add(1*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 1,
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Hash: header1.Hash(),
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},
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mockp.New(
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chainID,
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map[int64]*types.SignedHeader{
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// trusted header
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1: header1,
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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},
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),
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trustedStore,
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)
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require.NoError(t, err)
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c.SetLogger(log.TestingLogger())
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h, err := c.TrustedHeader(1, bTime.Add(1*time.Second))
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assert.NoError(t, err)
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assert.NotNil(t, h)
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assert.Equal(t, h.Hash(), header1.Hash())
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}
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}
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// trustedHeader.Height < options.Height
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func TestClientRestoreTrustedHeaderAfterStartup2(t *testing.T) {
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const (
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chainID = "TestClientRestoreTrustedHeaderAfterStartup2"
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)
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var (
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keys = genPrivKeys(4)
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// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
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vals = keys.ToValidators(20, 10)
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bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
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header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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)
|
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|
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// 1. options.Hash == trustedHeader.Hash
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{
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trustedStore := dbs.New(dbm.NewMemDB(), chainID)
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err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
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require.NoError(t, err)
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header2 := keys.GenSignedHeader(chainID, 2, bTime.Add(2*time.Hour), nil, vals, vals,
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[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
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c, err := NewClient(
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chainID,
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TrustOptions{
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Period: 4 * time.Hour,
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Height: 2,
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Hash: header2.Hash(),
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},
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mockp.New(
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chainID,
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map[int64]*types.SignedHeader{
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1: header,
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2: header2,
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},
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map[int64]*types.ValidatorSet{
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1: vals,
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2: vals,
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3: vals,
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},
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),
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trustedStore,
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)
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require.NoError(t, err)
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c.SetLogger(log.TestingLogger())
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// Check we still have the 1st header (+header+).
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h, err := c.TrustedHeader(1, bTime.Add(2*time.Hour).Add(1*time.Second))
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assert.NoError(t, err)
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assert.NotNil(t, h)
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assert.Equal(t, h.Hash(), header.Hash())
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}
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// 2. options.Hash != trustedHeader.Hash
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// This could happen if previous provider was lying to us.
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{
|
|
trustedStore := dbs.New(dbm.NewMemDB(), chainID)
|
|
err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
|
|
require.NoError(t, err)
|
|
|
|
// header1 != header
|
|
header1 := keys.GenSignedHeader(chainID, 1, bTime.Add(1*time.Hour), nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
|
|
header2 := keys.GenSignedHeader(chainID, 2, bTime.Add(2*time.Hour), nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
|
|
c, err := NewClient(
|
|
chainID,
|
|
TrustOptions{
|
|
Period: 4 * time.Hour,
|
|
Height: 2,
|
|
Hash: header2.Hash(),
|
|
},
|
|
mockp.New(
|
|
chainID,
|
|
map[int64]*types.SignedHeader{
|
|
1: header1,
|
|
2: header2,
|
|
},
|
|
map[int64]*types.ValidatorSet{
|
|
1: vals,
|
|
2: vals,
|
|
3: vals,
|
|
},
|
|
),
|
|
trustedStore,
|
|
)
|
|
require.NoError(t, err)
|
|
c.SetLogger(log.TestingLogger())
|
|
|
|
// Check we no longer have the invalid 1st header (+header+).
|
|
h, err := c.TrustedHeader(1, bTime.Add(2*time.Hour).Add(1*time.Second))
|
|
assert.NoError(t, err)
|
|
assert.Nil(t, h)
|
|
}
|
|
}
|
|
|
|
// trustedHeader.Height > options.Height
|
|
func TestClientRestoreTrustedHeaderAfterStartup3(t *testing.T) {
|
|
const (
|
|
chainID = "TestClientRestoreTrustedHeaderAfterStartup3"
|
|
)
|
|
|
|
var (
|
|
keys = genPrivKeys(4)
|
|
// 20, 30, 40, 50 - the first 3 don't have 2/3, the last 3 do!
|
|
vals = keys.ToValidators(20, 10)
|
|
bTime, _ = time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
|
|
header = keys.GenSignedHeader(chainID, 1, bTime, nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
)
|
|
|
|
// 1. options.Hash == trustedHeader.Hash
|
|
{
|
|
trustedStore := dbs.New(dbm.NewMemDB(), chainID)
|
|
err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
|
|
require.NoError(t, err)
|
|
|
|
header2 := keys.GenSignedHeader(chainID, 2, bTime.Add(2*time.Hour), nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
err = trustedStore.SaveSignedHeaderAndNextValidatorSet(header2, vals)
|
|
require.NoError(t, err)
|
|
|
|
c, err := NewClient(
|
|
chainID,
|
|
TrustOptions{
|
|
Period: 4 * time.Hour,
|
|
Height: 1,
|
|
Hash: header.Hash(),
|
|
},
|
|
mockp.New(
|
|
chainID,
|
|
map[int64]*types.SignedHeader{
|
|
1: header,
|
|
2: header2,
|
|
},
|
|
map[int64]*types.ValidatorSet{
|
|
1: vals,
|
|
2: vals,
|
|
3: vals,
|
|
},
|
|
),
|
|
trustedStore,
|
|
)
|
|
require.NoError(t, err)
|
|
c.SetLogger(log.TestingLogger())
|
|
|
|
// Check we still have the 1st header (+header+).
|
|
h, err := c.TrustedHeader(1, bTime.Add(2*time.Hour).Add(1*time.Second))
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, h)
|
|
assert.Equal(t, h.Hash(), header.Hash())
|
|
|
|
// Check we no longer have 2nd header (+header2+).
|
|
h, err = c.TrustedHeader(2, bTime.Add(2*time.Hour).Add(1*time.Second))
|
|
assert.NoError(t, err)
|
|
assert.Nil(t, h)
|
|
}
|
|
|
|
// 2. options.Hash != trustedHeader.Hash
|
|
// This could happen if previous provider was lying to us.
|
|
{
|
|
trustedStore := dbs.New(dbm.NewMemDB(), chainID)
|
|
err := trustedStore.SaveSignedHeaderAndNextValidatorSet(header, vals)
|
|
require.NoError(t, err)
|
|
|
|
// header1 != header
|
|
header1 := keys.GenSignedHeader(chainID, 1, bTime.Add(1*time.Hour), nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
|
|
header2 := keys.GenSignedHeader(chainID, 2, bTime.Add(2*time.Hour), nil, vals, vals,
|
|
[]byte("app_hash"), []byte("cons_hash"), []byte("results_hash"), 0, len(keys))
|
|
err = trustedStore.SaveSignedHeaderAndNextValidatorSet(header2, vals)
|
|
require.NoError(t, err)
|
|
|
|
c, err := NewClient(
|
|
chainID,
|
|
TrustOptions{
|
|
Period: 4 * time.Hour,
|
|
Height: 1,
|
|
Hash: header1.Hash(),
|
|
},
|
|
mockp.New(
|
|
chainID,
|
|
map[int64]*types.SignedHeader{
|
|
1: header1,
|
|
},
|
|
map[int64]*types.ValidatorSet{
|
|
1: vals,
|
|
2: vals,
|
|
},
|
|
),
|
|
trustedStore,
|
|
)
|
|
require.NoError(t, err)
|
|
c.SetLogger(log.TestingLogger())
|
|
|
|
// Check we have swapped invalid 1st header (+header+) with correct one (+header1+).
|
|
h, err := c.TrustedHeader(1, bTime.Add(2*time.Hour).Add(1*time.Second))
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, h)
|
|
assert.Equal(t, h.Hash(), header1.Hash())
|
|
|
|
// Check we no longer have invalid 2nd header (+header2+).
|
|
h, err = c.TrustedHeader(2, bTime.Add(2*time.Hour).Add(1*time.Second))
|
|
assert.NoError(t, err)
|
|
assert.Nil(t, h)
|
|
}
|
|
}
|