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122 lines
3.0 KiB
122 lines
3.0 KiB
package mbt
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import (
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"io/ioutil"
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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tmjson "github.com/tendermint/tendermint/libs/json"
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"github.com/tendermint/tendermint/light"
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"github.com/tendermint/tendermint/types"
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)
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const jsonDir = "./json"
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func TestVerify(t *testing.T) {
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filenames := jsonFilenames(t)
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for _, filename := range filenames {
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filename := filename
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t.Run(filename, func(t *testing.T) {
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jsonBlob, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Fatal(err)
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}
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var tc testCase
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err = tmjson.Unmarshal(jsonBlob, &tc)
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if err != nil {
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t.Fatal(err)
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}
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t.Log(tc.Description)
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var (
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trustedSignedHeader = tc.Initial.SignedHeader
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trustedNextVals = tc.Initial.NextValidatorSet
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trustingPeriod = time.Duration(tc.Initial.TrustingPeriod) * time.Nanosecond
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)
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for _, input := range tc.Input {
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var (
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newSignedHeader = input.LightBlock.SignedHeader
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newVals = input.LightBlock.ValidatorSet
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)
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err = light.Verify(
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&trustedSignedHeader,
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&trustedNextVals,
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newSignedHeader,
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newVals,
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trustingPeriod,
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input.Now,
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1*time.Second,
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light.DefaultTrustLevel,
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)
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t.Logf("%d -> %d", trustedSignedHeader.Height, newSignedHeader.Height)
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switch input.Verdict {
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case "SUCCESS":
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require.NoError(t, err)
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case "NOT_ENOUGH_TRUST":
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require.IsType(t, light.ErrNewValSetCantBeTrusted{}, err)
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case "INVALID":
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switch err.(type) {
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case light.ErrOldHeaderExpired:
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case light.ErrInvalidHeader:
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default:
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t.Fatalf("expected either ErrInvalidHeader or ErrOldHeaderExpired, but got %v", err)
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}
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default:
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t.Fatalf("unexpected verdict: %q", input.Verdict)
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}
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if err == nil { // advance
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trustedSignedHeader = *newSignedHeader
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trustedNextVals = *input.LightBlock.NextValidatorSet
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}
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}
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})
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}
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}
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// jsonFilenames returns a list of files in jsonDir directory
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func jsonFilenames(t *testing.T) []string {
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matches, err := filepath.Glob(filepath.Join(jsonDir, "*.json"))
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if err != nil {
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t.Fatal(err)
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}
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return matches
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}
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type testCase struct {
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Description string `json:"description"`
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Initial initialData `json:"initial"`
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Input []inputData `json:"input"`
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}
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type initialData struct {
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SignedHeader types.SignedHeader `json:"signed_header"`
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NextValidatorSet types.ValidatorSet `json:"next_validator_set"`
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TrustingPeriod uint64 `json:"trusting_period"`
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Now time.Time `json:"now"`
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}
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type inputData struct {
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LightBlock lightBlockWithNextValidatorSet `json:"block"`
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Now time.Time `json:"now"`
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Verdict string `json:"verdict"`
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}
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// In tendermint-rs, NextValidatorSet is used to verify new blocks (opposite to
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// Go tendermint).
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type lightBlockWithNextValidatorSet struct {
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*types.SignedHeader `json:"signed_header"`
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ValidatorSet *types.ValidatorSet `json:"validator_set"`
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NextValidatorSet *types.ValidatorSet `json:"next_validator_set"`
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}
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