- // nolint: vetshadow
- package lite_test
-
- import (
- "fmt"
- "testing"
-
- "github.com/stretchr/testify/assert"
- "github.com/stretchr/testify/require"
-
- "github.com/tendermint/tendermint/lite"
- )
-
- func TestInquirerValidPath(t *testing.T) {
- assert, require := assert.New(t), require.New(t)
- trust := lite.NewMemStoreProvider()
- source := lite.NewMemStoreProvider()
-
- // set up the validators to generate test blocks
- var vote int64 = 10
- keys := lite.GenValKeys(5)
-
- // construct a bunch of commits, each with one more height than the last
- chainID := "inquiry-test"
- consHash := []byte("params")
- resHash := []byte("results")
- count := 50
- commits := make([]lite.FullCommit, count)
- for i := 0; i < count; i++ {
- // extend the keys by 1 each time
- keys = keys.Extend(1)
- vals := keys.ToValidators(vote, 0)
- h := int64(20 + 10*i)
- appHash := []byte(fmt.Sprintf("h=%d", h))
- commits[i] = keys.GenFullCommit(chainID, h, nil, vals, appHash, consHash, resHash, 0,
- len(keys))
- }
-
- // initialize a certifier with the initial state
- cert, err := lite.NewInquiringCertifier(chainID, commits[0], trust, source)
- require.Nil(err)
-
- // this should fail validation....
- commit := commits[count-1].Commit
- err = cert.Certify(commit)
- require.NotNil(err)
-
- // adding a few commits in the middle should be insufficient
- for i := 10; i < 13; i++ {
- err := source.StoreCommit(commits[i])
- require.Nil(err)
- }
- err = cert.Certify(commit)
- assert.NotNil(err)
-
- // with more info, we succeed
- for i := 0; i < count; i++ {
- err := source.StoreCommit(commits[i])
- require.Nil(err)
- }
- err = cert.Certify(commit)
- assert.Nil(err, "%+v", err)
- }
-
- func TestInquirerMinimalPath(t *testing.T) {
- assert, require := assert.New(t), require.New(t)
- trust := lite.NewMemStoreProvider()
- source := lite.NewMemStoreProvider()
-
- // set up the validators to generate test blocks
- var vote int64 = 10
- keys := lite.GenValKeys(5)
-
- // construct a bunch of commits, each with one more height than the last
- chainID := "minimal-path"
- consHash := []byte("other-params")
- count := 12
- commits := make([]lite.FullCommit, count)
- for i := 0; i < count; i++ {
- // extend the validators, so we are just below 2/3
- keys = keys.Extend(len(keys)/2 - 1)
- vals := keys.ToValidators(vote, 0)
- h := int64(5 + 10*i)
- appHash := []byte(fmt.Sprintf("h=%d", h))
- resHash := []byte(fmt.Sprintf("res=%d", h))
- commits[i] = keys.GenFullCommit(chainID, h, nil, vals, appHash, consHash, resHash, 0,
- len(keys))
- }
-
- // initialize a certifier with the initial state
- cert, _ := lite.NewInquiringCertifier(chainID, commits[0], trust, source)
-
- // this should fail validation....
- commit := commits[count-1].Commit
- err := cert.Certify(commit)
- require.NotNil(err)
-
- // add a few seed in the middle should be insufficient
- for i := 5; i < 8; i++ {
- err := source.StoreCommit(commits[i])
- require.Nil(err)
- }
- err = cert.Certify(commit)
- assert.NotNil(err)
-
- // with more info, we succeed
- for i := 0; i < count; i++ {
- err := source.StoreCommit(commits[i])
- require.Nil(err)
- }
- err = cert.Certify(commit)
- assert.Nil(err, "%+v", err)
- }
-
- func TestInquirerVerifyHistorical(t *testing.T) {
- assert, require := assert.New(t), require.New(t)
- trust := lite.NewMemStoreProvider()
- source := lite.NewMemStoreProvider()
-
- // set up the validators to generate test blocks
- var vote int64 = 10
- keys := lite.GenValKeys(5)
-
- // construct a bunch of commits, each with one more height than the last
- chainID := "inquiry-test"
- count := 10
- consHash := []byte("special-params")
- commits := make([]lite.FullCommit, count)
- for i := 0; i < count; i++ {
- // extend the keys by 1 each time
- keys = keys.Extend(1)
- vals := keys.ToValidators(vote, 0)
- h := int64(20 + 10*i)
- appHash := []byte(fmt.Sprintf("h=%d", h))
- resHash := []byte(fmt.Sprintf("res=%d", h))
- commits[i] = keys.GenFullCommit(chainID, h, nil, vals, appHash, consHash, resHash, 0,
- len(keys))
- }
-
- // initialize a certifier with the initial state
- cert, _ := lite.NewInquiringCertifier(chainID, commits[0], trust, source)
-
- // store a few commits as trust
- for _, i := range []int{2, 5} {
- trust.StoreCommit(commits[i])
- }
-
- // let's see if we can jump forward using trusted commits
- err := source.StoreCommit(commits[7])
- require.Nil(err, "%+v", err)
- check := commits[7].Commit
- err = cert.Certify(check)
- require.Nil(err, "%+v", err)
- assert.Equal(check.Height(), cert.LastHeight())
-
- // add access to all commits via untrusted source
- for i := 0; i < count; i++ {
- err := source.StoreCommit(commits[i])
- require.Nil(err)
- }
-
- // try to check an unknown seed in the past
- mid := commits[3].Commit
- err = cert.Certify(mid)
- require.Nil(err, "%+v", err)
- assert.Equal(mid.Height(), cert.LastHeight())
-
- // and jump all the way forward again
- end := commits[count-1].Commit
- err = cert.Certify(end)
- require.Nil(err, "%+v", err)
- assert.Equal(end.Height(), cert.LastHeight())
- }
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