forked from cerc-io/ipld-eth-server
480 lines
17 KiB
Go
480 lines
17 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package watcher_test
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import (
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"errors"
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"io/ioutil"
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"os"
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"sort"
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"time"
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"github.com/ethereum/go-ethereum/common"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/sirupsen/logrus"
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"github.com/vulcanize/vulcanizedb/libraries/shared/mocks"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
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"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
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"github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
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"github.com/vulcanize/vulcanizedb/libraries/shared/watcher"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/test_config"
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)
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var _ = Describe("Storage Watcher", func() {
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Describe("AddTransformer", func() {
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It("adds transformers", func() {
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fakeHashedAddress := utils.HexToKeccak256Hash("0x12345")
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fakeTransformer := &mocks.MockStorageTransformer{KeccakOfAddress: fakeHashedAddress}
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w := watcher.NewStorageWatcher(mocks.NewStorageFetcher(), test_config.NewTestDB(test_config.NewTestNode()))
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w.AddTransformers([]transformer.StorageTransformerInitializer{fakeTransformer.FakeTransformerInitializer})
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Expect(w.KeccakAddressTransformers[fakeHashedAddress]).To(Equal(fakeTransformer))
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})
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})
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Describe("Execute", func() {
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var (
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mockFetcher *mocks.StorageFetcher
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mockQueue *mocks.MockStorageQueue
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mockTransformer *mocks.MockStorageTransformer
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csvDiff utils.StorageDiff
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storageWatcher *watcher.StorageWatcher
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hashedAddress common.Hash
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)
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BeforeEach(func() {
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hashedAddress = utils.HexToKeccak256Hash("0x0123456789abcdef")
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mockFetcher = mocks.NewStorageFetcher()
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mockQueue = &mocks.MockStorageQueue{}
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mockTransformer = &mocks.MockStorageTransformer{KeccakOfAddress: hashedAddress}
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csvDiff = utils.StorageDiff{
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ID: 1337,
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HashedAddress: hashedAddress,
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BlockHash: common.HexToHash("0xfedcba9876543210"),
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BlockHeight: 0,
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StorageKey: common.HexToHash("0xabcdef1234567890"),
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StorageValue: common.HexToHash("0x9876543210abcdef"),
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}
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})
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It("logs error if fetching storage diffs fails", func(done Done) {
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mockFetcher.ErrsToReturn = []error{fakes.FakeError}
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storageWatcher = watcher.NewStorageWatcher(mockFetcher, test_config.NewTestDB(test_config.NewTestNode()))
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storageWatcher.Queue = mockQueue
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storageWatcher.AddTransformers([]transformer.StorageTransformerInitializer{mockTransformer.FakeTransformerInitializer})
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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go storageWatcher.Execute(time.Hour, false)
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring(fakes.FakeError.Error()))
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close(done)
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})
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Describe("transforming new storage diffs from csv", func() {
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BeforeEach(func() {
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mockFetcher.DiffsToReturn = []utils.StorageDiff{csvDiff}
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storageWatcher = watcher.NewStorageWatcher(mockFetcher, test_config.NewTestDB(test_config.NewTestNode()))
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storageWatcher.Queue = mockQueue
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storageWatcher.AddTransformers([]transformer.StorageTransformerInitializer{mockTransformer.FakeTransformerInitializer})
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})
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It("executes transformer for recognized storage diff", func(done Done) {
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go storageWatcher.Execute(time.Hour, false)
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Eventually(func() map[int]utils.StorageDiff {
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return mockTransformer.PassedDiffs
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}).Should(Equal(map[int]utils.StorageDiff{
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csvDiff.ID: csvDiff,
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}))
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close(done)
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})
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It("queues diff for later processing if transformer execution fails", func(done Done) {
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mockTransformer.ExecuteErr = fakes.FakeError
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go storageWatcher.Execute(time.Hour, false)
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Eventually(func() bool {
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return mockQueue.AddCalled
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}).Should(BeTrue())
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Eventually(func() utils.StorageDiff {
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if len(mockQueue.AddPassedDiffs) > 0 {
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return mockQueue.AddPassedDiffs[csvDiff.ID]
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}
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return utils.StorageDiff{}
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}).Should(Equal(csvDiff))
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close(done)
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})
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It("logs error if queueing diff fails", func(done Done) {
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mockTransformer.ExecuteErr = utils.ErrStorageKeyNotFound{}
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mockQueue.AddError = fakes.FakeError
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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go storageWatcher.Execute(time.Hour, false)
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Eventually(func() bool {
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return mockQueue.AddCalled
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}).Should(BeTrue())
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring(fakes.FakeError.Error()))
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close(done)
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})
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})
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Describe("transforming queued storage diffs", func() {
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BeforeEach(func() {
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mockQueue.DiffsToReturn = map[int]utils.StorageDiff{
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csvDiff.ID: csvDiff,
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}
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storageWatcher = watcher.NewStorageWatcher(mockFetcher, test_config.NewTestDB(test_config.NewTestNode()))
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storageWatcher.Queue = mockQueue
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storageWatcher.AddTransformers([]transformer.StorageTransformerInitializer{mockTransformer.FakeTransformerInitializer})
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})
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It("executes transformer for storage diff", func(done Done) {
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go storageWatcher.Execute(time.Nanosecond, false)
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Eventually(func() utils.StorageDiff {
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if len(mockTransformer.PassedDiffs) > 0 {
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return mockTransformer.PassedDiffs[csvDiff.ID]
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}
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return utils.StorageDiff{}
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}).Should(Equal(csvDiff))
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close(done)
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})
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It("deletes diff from queue if transformer execution successful", func(done Done) {
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go storageWatcher.Execute(time.Nanosecond, false)
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Eventually(func() int {
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if len(mockQueue.DeletePassedIds) > 0 {
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return mockQueue.DeletePassedIds[0]
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}
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return 0
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}).Should(Equal(csvDiff.ID))
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close(done)
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})
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It("logs error if deleting persisted diff fails", func(done Done) {
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mockQueue.DeleteErr = fakes.FakeError
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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go storageWatcher.Execute(time.Nanosecond, false)
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring(fakes.FakeError.Error()))
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close(done)
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})
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It("deletes obsolete diff from queue if contract not recognized", func(done Done) {
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obsoleteDiff := utils.StorageDiff{
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ID: csvDiff.ID + 1,
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HashedAddress: utils.HexToKeccak256Hash("0xfedcba9876543210"),
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}
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mockQueue.DiffsToReturn = map[int]utils.StorageDiff{
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obsoleteDiff.ID: obsoleteDiff,
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}
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go storageWatcher.Execute(time.Nanosecond, false)
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Eventually(func() int {
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if len(mockQueue.DeletePassedIds) > 0 {
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return mockQueue.DeletePassedIds[0]
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}
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return 0
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}).Should(Equal(obsoleteDiff.ID))
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close(done)
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})
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It("logs error if deleting obsolete diff fails", func(done Done) {
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obsoleteDiff := utils.StorageDiff{
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ID: csvDiff.ID + 1,
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HashedAddress: utils.HexToKeccak256Hash("0xfedcba9876543210"),
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}
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mockQueue.DiffsToReturn = map[int]utils.StorageDiff{
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obsoleteDiff.ID: obsoleteDiff,
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}
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mockQueue.DeleteErr = fakes.FakeError
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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go storageWatcher.Execute(time.Nanosecond, false)
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring(fakes.FakeError.Error()))
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close(done)
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})
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})
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})
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Describe("BackFill", func() {
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var (
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mockFetcher *mocks.StorageFetcher
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mockBackFiller *mocks.BackFiller
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mockQueue *mocks.MockStorageQueue
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mockTransformer *mocks.MockStorageTransformer
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mockTransformer2 *mocks.MockStorageTransformer
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mockTransformer3 *mocks.MockStorageTransformer
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csvDiff utils.StorageDiff
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storageWatcher *watcher.StorageWatcher
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hashedAddress common.Hash
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createdDiff, updatedDiff1, deletedDiff, updatedDiff2 utils.StorageDiff
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)
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BeforeEach(func() {
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createdDiff = test_data.CreatedExpectedStorageDiff
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createdDiff.ID = 1333
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updatedDiff1 = test_data.UpdatedExpectedStorageDiff
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updatedDiff1.ID = 1334
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deletedDiff = test_data.DeletedExpectedStorageDiff
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deletedDiff.ID = 1335
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updatedDiff2 = test_data.UpdatedExpectedStorageDiff2
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updatedDiff2.ID = 1336
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mockBackFiller = new(mocks.BackFiller)
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hashedAddress = utils.HexToKeccak256Hash("0x0123456789abcdef")
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mockFetcher = mocks.NewStorageFetcher()
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mockQueue = &mocks.MockStorageQueue{}
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mockTransformer = &mocks.MockStorageTransformer{KeccakOfAddress: hashedAddress}
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mockTransformer2 = &mocks.MockStorageTransformer{KeccakOfAddress: common.BytesToHash(test_data.ContractLeafKey[:])}
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mockTransformer3 = &mocks.MockStorageTransformer{KeccakOfAddress: common.BytesToHash(test_data.AnotherContractLeafKey[:])}
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csvDiff = utils.StorageDiff{
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ID: 1337,
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HashedAddress: hashedAddress,
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BlockHash: common.HexToHash("0xfedcba9876543210"),
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BlockHeight: int(test_data.BlockNumber2.Int64()) + 1,
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StorageKey: common.HexToHash("0xabcdef1234567890"),
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StorageValue: common.HexToHash("0x9876543210abcdef"),
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}
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})
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Describe("transforming streamed and backfilled storage diffs", func() {
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BeforeEach(func() {
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mockFetcher.DiffsToReturn = []utils.StorageDiff{csvDiff}
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mockBackFiller.SetStorageDiffsToReturn([]utils.StorageDiff{
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createdDiff,
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updatedDiff1,
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deletedDiff,
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updatedDiff2,
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})
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mockQueue.DiffsToReturn = map[int]utils.StorageDiff{}
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storageWatcher = watcher.NewStorageWatcher(mockFetcher, test_config.NewTestDB(test_config.NewTestNode()))
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storageWatcher.Queue = mockQueue
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storageWatcher.AddTransformers([]transformer.StorageTransformerInitializer{
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mockTransformer.FakeTransformerInitializer,
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mockTransformer2.FakeTransformerInitializer,
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mockTransformer3.FakeTransformerInitializer,
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})
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})
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It("executes transformer for storage diffs received from fetcher and backfiller", func(done Done) {
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go storageWatcher.BackFill(test_data.BlockNumber.Uint64(), mockBackFiller)
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go storageWatcher.Execute(time.Hour, true)
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Eventually(func() int {
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return len(mockTransformer.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer2.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer3.PassedDiffs)
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}).Should(Equal(3))
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Expect(mockBackFiller.PassedEndingBlock).To(Equal(uint64(test_data.BlockNumber2.Int64())))
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Expect(mockTransformer.PassedDiffs[csvDiff.ID]).To(Equal(csvDiff))
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Expect(mockTransformer2.PassedDiffs[createdDiff.ID]).To(Equal(createdDiff))
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Expect(mockTransformer3.PassedDiffs[updatedDiff1.ID]).To(Equal(updatedDiff1))
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Expect(mockTransformer3.PassedDiffs[deletedDiff.ID]).To(Equal(deletedDiff))
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Expect(mockTransformer3.PassedDiffs[updatedDiff2.ID]).To(Equal(updatedDiff2))
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close(done)
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})
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It("adds diffs to the queue if transformation fails", func(done Done) {
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mockTransformer3.ExecuteErr = fakes.FakeError
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go storageWatcher.BackFill(test_data.BlockNumber.Uint64(), mockBackFiller)
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go storageWatcher.Execute(time.Hour, true)
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Eventually(func() int {
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return len(mockTransformer.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer2.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer3.PassedDiffs)
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}).Should(Equal(3))
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Eventually(func() bool {
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return mockQueue.AddCalled
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}).Should(BeTrue())
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Eventually(func() map[int]utils.StorageDiff {
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if len(mockQueue.AddPassedDiffs) > 2 {
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return mockQueue.AddPassedDiffs
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}
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return map[int]utils.StorageDiff{}
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}).Should(Equal(map[int]utils.StorageDiff{
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updatedDiff1.ID: updatedDiff1,
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deletedDiff.ID: deletedDiff,
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updatedDiff2.ID: updatedDiff2,
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}))
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Expect(mockBackFiller.PassedEndingBlock).To(Equal(uint64(test_data.BlockNumber2.Int64())))
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Expect(mockTransformer.PassedDiffs[csvDiff.ID]).To(Equal(csvDiff))
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Expect(mockTransformer2.PassedDiffs[createdDiff.ID]).To(Equal(createdDiff))
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Expect(mockTransformer3.PassedDiffs[updatedDiff1.ID]).To(Equal(updatedDiff1))
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Expect(mockTransformer3.PassedDiffs[deletedDiff.ID]).To(Equal(deletedDiff))
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Expect(mockTransformer3.PassedDiffs[updatedDiff2.ID]).To(Equal(updatedDiff2))
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close(done)
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})
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It("logs a backfill error", func(done Done) {
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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mockBackFiller.BackFillErrs = []error{
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nil,
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nil,
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nil,
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errors.New("mock backfiller error"),
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}
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go storageWatcher.BackFill(test_data.BlockNumber.Uint64(), mockBackFiller)
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go storageWatcher.Execute(time.Hour, true)
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Eventually(func() int {
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return len(mockTransformer.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer2.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer3.PassedDiffs)
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}).Should(Equal(2))
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring("mock backfiller error"))
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close(done)
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})
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It("logs when backfill finishes", func(done Done) {
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tempFile, fileErr := ioutil.TempFile("", "log")
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Expect(fileErr).NotTo(HaveOccurred())
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defer os.Remove(tempFile.Name())
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logrus.SetOutput(tempFile)
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go storageWatcher.BackFill(test_data.BlockNumber.Uint64(), mockBackFiller)
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go storageWatcher.Execute(time.Hour, true)
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Eventually(func() (string, error) {
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logContent, err := ioutil.ReadFile(tempFile.Name())
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return string(logContent), err
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}).Should(ContainSubstring("storage watcher backfill process has finished"))
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close(done)
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})
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})
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Describe("transforms queued storage diffs", func() {
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BeforeEach(func() {
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mockQueue.DiffsToReturn = map[int]utils.StorageDiff{
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csvDiff.ID: csvDiff,
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createdDiff.ID: createdDiff,
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updatedDiff1.ID: updatedDiff1,
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deletedDiff.ID: deletedDiff,
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updatedDiff2.ID: updatedDiff2,
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}
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storageWatcher = watcher.NewStorageWatcher(mockFetcher, test_config.NewTestDB(test_config.NewTestNode()))
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storageWatcher.Queue = mockQueue
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storageWatcher.AddTransformers([]transformer.StorageTransformerInitializer{
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mockTransformer.FakeTransformerInitializer,
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mockTransformer2.FakeTransformerInitializer,
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mockTransformer3.FakeTransformerInitializer,
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})
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})
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It("executes transformers on queued storage diffs", func(done Done) {
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go storageWatcher.BackFill(test_data.BlockNumber.Uint64(), mockBackFiller)
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go storageWatcher.Execute(time.Nanosecond, true)
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Eventually(func() int {
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return len(mockTransformer.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer2.PassedDiffs)
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}).Should(Equal(1))
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Eventually(func() int {
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return len(mockTransformer3.PassedDiffs)
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}).Should(Equal(3))
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Eventually(func() bool {
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return mockQueue.GetAllCalled
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}).Should(BeTrue())
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sortedExpectedIDs := []int{
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csvDiff.ID,
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createdDiff.ID,
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updatedDiff1.ID,
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deletedDiff.ID,
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updatedDiff2.ID,
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}
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sort.Ints(sortedExpectedIDs)
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Eventually(func() []int {
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if len(mockQueue.DeletePassedIds) > 4 {
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sort.Ints(mockQueue.DeletePassedIds)
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return mockQueue.DeletePassedIds
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}
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return []int{}
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}).Should(Equal(sortedExpectedIDs))
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Expect(mockQueue.AddCalled).To(Not(BeTrue()))
|
|
Expect(len(mockQueue.DiffsToReturn)).To(Equal(0))
|
|
Expect(mockTransformer.PassedDiffs[csvDiff.ID]).To(Equal(csvDiff))
|
|
Expect(mockTransformer2.PassedDiffs[createdDiff.ID]).To(Equal(createdDiff))
|
|
Expect(mockTransformer3.PassedDiffs[updatedDiff1.ID]).To(Equal(updatedDiff1))
|
|
Expect(mockTransformer3.PassedDiffs[deletedDiff.ID]).To(Equal(deletedDiff))
|
|
Expect(mockTransformer3.PassedDiffs[updatedDiff2.ID]).To(Equal(updatedDiff2))
|
|
close(done)
|
|
})
|
|
})
|
|
})
|
|
})
|