forked from cerc-io/ipld-eth-server
76 lines
2.7 KiB
Go
76 lines
2.7 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 storage_test
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import (
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"bytes"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/statediff"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/libraries/shared/mocks"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage"
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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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)
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var _ = Describe("BackFiller", func() {
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Describe("BackFill", func() {
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var (
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fetcher *mocks.StateDiffFetcher
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backFiller storage.BackFiller
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)
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BeforeEach(func() {
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fetcher = new(mocks.StateDiffFetcher)
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fetcher.SetPayloadsToReturn(map[uint64]*statediff.Payload{
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test_data.BlockNumber.Uint64(): &test_data.MockStatediffPayload,
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test_data.BlockNumber2.Uint64(): &test_data.MockStatediffPayload2,
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})
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backFiller = storage.NewStorageBackFiller(fetcher)
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})
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It("Batch calls statediff_stateDiffAt", func() {
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backFillStorage, backFillErr := backFiller.BackFill(test_data.BlockNumber.Uint64(), test_data.BlockNumber2.Uint64())
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Expect(backFillErr).ToNot(HaveOccurred())
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Expect(len(backFillStorage)).To(Equal(4))
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// Can only rlp encode the slice of diffs as part of a struct
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// Rlp encoding allows us to compare content of the slices when the order in the slice may vary
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expectedDiffStruct := struct {
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diffs []utils.StorageDiff
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}{
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[]utils.StorageDiff{
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test_data.CreatedExpectedStorageDiff,
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test_data.UpdatedExpectedStorageDiff,
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test_data.UpdatedExpectedStorageDiff2,
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test_data.DeletedExpectedStorageDiff,
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},
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}
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expectedDiffBytes, rlpErr1 := rlp.EncodeToBytes(expectedDiffStruct)
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Expect(rlpErr1).ToNot(HaveOccurred())
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receivedDiffStruct := struct {
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diffs []utils.StorageDiff
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}{
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backFillStorage,
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}
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receivedDiffBytes, rlpErr2 := rlp.EncodeToBytes(receivedDiffStruct)
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Expect(rlpErr2).ToNot(HaveOccurred())
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Expect(bytes.Equal(expectedDiffBytes, receivedDiffBytes)).To(BeTrue())
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})
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})
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})
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