forked from cerc-io/ipld-eth-server
123 lines
4.3 KiB
Go
123 lines
4.3 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 utils_test
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import (
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"math/big"
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"math/rand"
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"github.com/ethereum/go-ethereum/common"
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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/storage/utils"
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"github.com/vulcanize/vulcanizedb/libraries/shared/test_data"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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)
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var _ = Describe("Storage row parsing", func() {
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Describe("FromParityCsvRow", func() {
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It("converts an array of strings to a row struct", func() {
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contract := "0x123"
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blockHash := "0x456"
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blockHeight := "789"
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storageKey := "0x987"
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storageValue := "0x654"
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data := []string{contract, blockHash, blockHeight, storageKey, storageValue}
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result, err := utils.FromParityCsvRow(data)
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Expect(err).NotTo(HaveOccurred())
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expectedKeccakOfContractAddress := utils.HexToKeccak256Hash(contract)
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Expect(result.HashedAddress).To(Equal(expectedKeccakOfContractAddress))
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Expect(result.BlockHash).To(Equal(common.HexToHash(blockHash)))
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Expect(result.BlockHeight).To(Equal(789))
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Expect(result.StorageKey).To(Equal(common.HexToHash(storageKey)))
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Expect(result.StorageValue).To(Equal(common.HexToHash(storageValue)))
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})
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It("returns an error if row is missing data", func() {
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_, err := utils.FromParityCsvRow([]string{"0x123"})
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(utils.ErrRowMalformed{Length: 1}))
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})
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It("returns error if block height malformed", func() {
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_, err := utils.FromParityCsvRow([]string{"", "", "", "", ""})
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Expect(err).To(HaveOccurred())
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})
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})
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Describe("FromGethStateDiff", func() {
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var (
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accountDiff = statediff.AccountDiff{Key: []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 0}}
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stateDiff = &statediff.StateDiff{
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BlockNumber: big.NewInt(rand.Int63()),
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BlockHash: fakes.FakeHash,
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}
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)
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It("adds relevant fields to diff", func() {
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storageValueBytes := []byte{3}
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storageValueRlp, encodeErr := rlp.EncodeToBytes(storageValueBytes)
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Expect(encodeErr).NotTo(HaveOccurred())
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storageDiff := statediff.StorageDiff{
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Key: []byte{0, 9, 8, 7, 6, 5, 4, 3, 2, 1},
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Value: storageValueRlp,
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}
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result, err := utils.FromGethStateDiff(accountDiff, stateDiff, storageDiff)
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Expect(err).NotTo(HaveOccurred())
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expectedAddress := common.BytesToHash(accountDiff.Key)
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Expect(result.HashedAddress).To(Equal(expectedAddress))
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Expect(result.BlockHash).To(Equal(fakes.FakeHash))
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expectedBlockHeight := int(stateDiff.BlockNumber.Int64())
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Expect(result.BlockHeight).To(Equal(expectedBlockHeight))
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expectedStorageKey := common.BytesToHash(storageDiff.Key)
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Expect(result.StorageKey).To(Equal(expectedStorageKey))
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expectedStorageValue := common.BytesToHash(storageValueBytes)
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Expect(result.StorageValue).To(Equal(expectedStorageValue))
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})
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It("handles decoding large storage values from their RLP", func() {
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storageValueBytes := []byte{1, 2, 3, 4, 5, 0, 9, 8, 7, 6}
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storageValueRlp, encodeErr := rlp.EncodeToBytes(storageValueBytes)
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Expect(encodeErr).NotTo(HaveOccurred())
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storageDiff := statediff.StorageDiff{
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Key: []byte{0, 9, 8, 7, 6, 5, 4, 3, 2, 1},
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Value: storageValueRlp,
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}
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result, err := utils.FromGethStateDiff(accountDiff, stateDiff, storageDiff)
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Expect(err).NotTo(HaveOccurred())
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Expect(result.StorageValue).To(Equal(common.BytesToHash(storageValueBytes)))
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})
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It("returns an err if decoding the storage value Rlp fails", func() {
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_, err := utils.FromGethStateDiff(accountDiff, stateDiff, test_data.StorageWithBadValue)
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError("rlp: input contains more than one value"))
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})
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})
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})
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