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299 lines
8.3 KiB
299 lines
8.3 KiB
package lite
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import (
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"fmt"
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"sync"
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"testing"
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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/crypto/tmhash"
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log "github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/types"
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)
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const testChainID = "inquiry-test"
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func TestInquirerValidPath(t *testing.T) {
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assert, require := assert.New(t), require.New(t)
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trust := NewDBProvider("trust", dbm.NewMemDB())
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source := NewDBProvider("source", dbm.NewMemDB())
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// Set up the validators to generate test blocks.
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var vote int64 = 10
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keys := genPrivKeys(5)
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nkeys := keys.Extend(1)
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// Construct a bunch of commits, each with one more height than the last.
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chainID := testChainID
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consHash := []byte("params")
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resHash := []byte("results")
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count := 50
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fcz := make([]FullCommit, count)
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for i := 0; i < count; i++ {
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vals := keys.ToValidators(vote, 0)
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nextVals := nkeys.ToValidators(vote, 0)
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h := int64(1 + i)
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appHash := []byte(fmt.Sprintf("h=%d", h))
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fcz[i] = keys.GenFullCommit(
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chainID, h, nil,
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vals, nextVals,
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appHash, consHash, resHash, 0, len(keys))
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// Extend the keys by 1 each time.
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keys = nkeys
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nkeys = nkeys.Extend(1)
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}
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// Initialize a Verifier with the initial state.
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err := trust.SaveFullCommit(fcz[0])
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require.Nil(err)
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cert := NewDynamicVerifier(chainID, trust, source)
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cert.SetLogger(log.TestingLogger())
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// This should fail validation:
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sh := fcz[count-1].SignedHeader
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err = cert.Verify(sh)
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require.NotNil(err)
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// Adding a few commits in the middle should be insufficient.
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for i := 10; i < 13; i++ {
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err := source.SaveFullCommit(fcz[i])
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require.Nil(err)
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}
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err = cert.Verify(sh)
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assert.NotNil(err)
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// With more info, we succeed.
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for i := 0; i < count; i++ {
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err := source.SaveFullCommit(fcz[i])
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require.Nil(err)
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}
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// TODO: Requires proposer address to be set in header.
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// err = cert.Verify(sh)
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// assert.Nil(err, "%+v", err)
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}
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func TestDynamicVerify(t *testing.T) {
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trust := NewDBProvider("trust", dbm.NewMemDB())
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source := NewDBProvider("source", dbm.NewMemDB())
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// 10 commits with one valset, 1 to change,
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// 10 commits with the next one
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n1, n2 := 10, 10
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nCommits := n1 + n2 + 1
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maxHeight := int64(nCommits)
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fcz := make([]FullCommit, nCommits)
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// gen the 2 val sets
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chainID := "dynamic-verifier"
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power := int64(10)
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keys1 := genPrivKeys(5)
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vals1 := keys1.ToValidators(power, 0)
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keys2 := genPrivKeys(5)
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vals2 := keys2.ToValidators(power, 0)
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// make some commits with the first
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for i := 0; i < n1; i++ {
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fcz[i] = makeFullCommit(int64(i), keys1, vals1, vals1, chainID)
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}
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// update the val set
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fcz[n1] = makeFullCommit(int64(n1), keys1, vals1, vals2, chainID)
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// make some commits with the new one
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for i := n1 + 1; i < nCommits; i++ {
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fcz[i] = makeFullCommit(int64(i), keys2, vals2, vals2, chainID)
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}
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// Save everything in the source
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for _, fc := range fcz {
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source.SaveFullCommit(fc)
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}
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// Initialize a Verifier with the initial state.
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err := trust.SaveFullCommit(fcz[0])
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require.Nil(t, err)
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ver := NewDynamicVerifier(chainID, trust, source)
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ver.SetLogger(log.TestingLogger())
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// fetch the latest from the source
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_, err = source.LatestFullCommit(chainID, 1, maxHeight)
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require.NoError(t, err)
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// TODO: Requires proposer address to be set in header.
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// try to update to the latest
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// err = ver.Verify(latestFC.SignedHeader)
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// require.NoError(t, err)
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}
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func makeFullCommit(height int64, keys privKeys, vals, nextVals *types.ValidatorSet, chainID string) FullCommit {
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height++
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consHash := tmhash.Sum([]byte("special-params"))
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appHash := tmhash.Sum([]byte(fmt.Sprintf("h=%d", height)))
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resHash := tmhash.Sum([]byte(fmt.Sprintf("res=%d", height)))
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return keys.GenFullCommit(
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chainID, height, nil,
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vals, nextVals,
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appHash, consHash, resHash, 0, len(keys),
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)
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}
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func TestInquirerVerifyHistorical(t *testing.T) {
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assert, require := assert.New(t), require.New(t)
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trust := NewDBProvider("trust", dbm.NewMemDB())
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source := NewDBProvider("source", dbm.NewMemDB())
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// Set up the validators to generate test blocks.
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var vote int64 = 10
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keys := genPrivKeys(5)
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nkeys := keys.Extend(1)
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// Construct a bunch of commits, each with one more height than the last.
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chainID := testChainID
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count := 10
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consHash := []byte("special-params")
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fcz := make([]FullCommit, count)
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for i := 0; i < count; i++ {
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vals := keys.ToValidators(vote, 0)
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nextVals := nkeys.ToValidators(vote, 0)
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h := int64(1 + i)
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appHash := []byte(fmt.Sprintf("h=%d", h))
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resHash := []byte(fmt.Sprintf("res=%d", h))
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fcz[i] = keys.GenFullCommit(
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chainID, h, nil,
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vals, nextVals,
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appHash, consHash, resHash, 0, len(keys))
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// Extend the keys by 1 each time.
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keys = nkeys
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nkeys = nkeys.Extend(1)
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}
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// Initialize a Verifier with the initial state.
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err := trust.SaveFullCommit(fcz[0])
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require.Nil(err)
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cert := NewDynamicVerifier(chainID, trust, source)
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cert.SetLogger(log.TestingLogger())
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// Store a few full commits as trust.
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for _, i := range []int{2, 5} {
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trust.SaveFullCommit(fcz[i])
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}
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// See if we can jump forward using trusted full commits.
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// Souce doesn't have fcz[9] so cert.LastTrustedHeight wont' change.
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err = source.SaveFullCommit(fcz[7])
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require.Nil(err, "%+v", err)
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// TODO: Requires proposer address to be set in header.
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// sh := fcz[8].SignedHeader
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// err = cert.Verify(sh)
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// require.Nil(err, "%+v", err)
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// assert.Equal(fcz[7].Height(), cert.LastTrustedHeight())
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commit, err := trust.LatestFullCommit(chainID, fcz[8].Height(), fcz[8].Height())
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require.NotNil(err, "%+v", err)
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assert.Equal(commit, (FullCommit{}))
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// With fcz[9] Verify will update last trusted height.
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err = source.SaveFullCommit(fcz[9])
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require.Nil(err, "%+v", err)
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// TODO: Requires proposer address to be set in header.
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// sh = fcz[8].SignedHeader
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// err = cert.Verify(sh)
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// require.Nil(err, "%+v", err)
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// assert.Equal(fcz[8].Height(), cert.LastTrustedHeight())
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// TODO: Requires proposer address to be set in header.
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// commit, err = trust.LatestFullCommit(chainID, fcz[8].Height(), fcz[8].Height())
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// require.Nil(err, "%+v", err)
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// assert.Equal(commit.Height(), fcz[8].Height())
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// Add access to all full commits via untrusted source.
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for i := 0; i < count; i++ {
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err := source.SaveFullCommit(fcz[i])
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require.Nil(err)
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}
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// TODO: Requires proposer address to be set in header.
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// Try to check an unknown seed in the past.
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// sh = fcz[3].SignedHeader
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// err = cert.Verify(sh)
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// require.Nil(err, "%+v", err)
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// assert.Equal(fcz[8].Height(), cert.LastTrustedHeight())
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// TODO: Requires proposer address to be set in header.
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// Jump all the way forward again.
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// sh = fcz[count-1].SignedHeader
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// err = cert.Verify(sh)
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// require.Nil(err, "%+v", err)
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// assert.Equal(fcz[9].Height(), cert.LastTrustedHeight())
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}
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func TestConcurrencyInquirerVerify(t *testing.T) {
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_, require := assert.New(t), require.New(t)
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trust := NewDBProvider("trust", dbm.NewMemDB()).SetLimit(10)
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source := NewDBProvider("source", dbm.NewMemDB())
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// Set up the validators to generate test blocks.
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var vote int64 = 10
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keys := genPrivKeys(5)
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nkeys := keys.Extend(1)
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// Construct a bunch of commits, each with one more height than the last.
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chainID := testChainID
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count := 10
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consHash := []byte("special-params")
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fcz := make([]FullCommit, count)
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for i := 0; i < count; i++ {
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vals := keys.ToValidators(vote, 0)
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nextVals := nkeys.ToValidators(vote, 0)
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h := int64(1 + i)
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appHash := []byte(fmt.Sprintf("h=%d", h))
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resHash := []byte(fmt.Sprintf("res=%d", h))
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fcz[i] = keys.GenFullCommit(
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chainID, h, nil,
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vals, nextVals,
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appHash, consHash, resHash, 0, len(keys))
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// Extend the keys by 1 each time.
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keys = nkeys
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nkeys = nkeys.Extend(1)
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}
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// Initialize a Verifier with the initial state.
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err := trust.SaveFullCommit(fcz[0])
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require.Nil(err)
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cert := NewDynamicVerifier(chainID, trust, source)
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cert.SetLogger(log.TestingLogger())
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err = source.SaveFullCommit(fcz[7])
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require.Nil(err, "%+v", err)
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err = source.SaveFullCommit(fcz[8])
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require.Nil(err, "%+v", err)
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sh := fcz[8].SignedHeader
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var wg sync.WaitGroup
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count = 100
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errList := make([]error, count)
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for i := 0; i < count; i++ {
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wg.Add(1)
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go func(index int) {
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errList[index] = cert.Verify(sh)
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defer wg.Done()
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}(i)
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}
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wg.Wait()
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// TODO: Requires proposer address to be set in header.
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// for _, err := range errList {
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// require.Nil(err)
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// }
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}
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