cerc-io/ipld-eth-server
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Extract helper for converting hex to keccak256 hash

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- Also prefer crypto.Keccak256Hash(x) to common.BytesToHash(crypto.Keccak256(x))
This commit is contained in:
Rob Mulholand 2019-08-16 16:30:26 -05:00 committed by Elizabeth Engelman
parent d06dddbfaa
commit 2ff88de859
8 changed files with 20 additions and 25 deletions
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3
libraries/shared/factories/storage/transformer_test.go
View File

@ -18,7 +18,6 @@ package storage_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/factories/storage"
@ -45,7 +44,7 @@ var _ = Describe("Storage transformer", func() {
})
It("returns the contract address being watched", func() {
fakeAddress := common.BytesToHash(crypto.Keccak256(common.FromHex("0x12345")))
fakeAddress := utils.HexToKeccak256Hash("0x12345")
t.HashedAddress = fakeAddress
Expect(t.KeccakContractAddress()).To(Equal(fakeAddress))

8
libraries/shared/storage/mappings.go
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@ -58,19 +58,17 @@ func AddHashedKeys(currentMappings map[common.Hash]utils.StorageValueMetadata) m
}
func hashKey(key common.Hash) common.Hash {
return common.BytesToHash(crypto.Keccak256(key.Bytes()))
return crypto.Keccak256Hash(key.Bytes())
}
func GetMapping(indexOnContract, key string) common.Hash {
keyBytes := common.FromHex(key + indexOnContract)
encoded := crypto.Keccak256(keyBytes)
return common.BytesToHash(encoded)
return crypto.Keccak256Hash(keyBytes)
}
func GetNestedMapping(indexOnContract, primaryKey, secondaryKey string) common.Hash {
primaryMappingIndex := crypto.Keccak256(common.FromHex(primaryKey + indexOnContract))
secondaryMappingIndex := crypto.Keccak256(common.FromHex(secondaryKey), primaryMappingIndex)
return common.BytesToHash(secondaryMappingIndex)
return crypto.Keccak256Hash(common.FromHex(secondaryKey), primaryMappingIndex)
}
func GetIncrementedKey(original common.Hash, incrementBy int64) common.Hash {

11
libraries/shared/storage/storage_queue_test.go
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@ -18,7 +18,6 @@ package storage_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage"
@ -35,10 +34,9 @@ var _ = Describe("Storage queue", func() {
)
BeforeEach(func() {
fakeAddr := common.FromHex("0x123456")
hashedFakeAddr := crypto.Keccak256(fakeAddr)
fakeAddr := "0x123456"
diff = utils.StorageDiff{
KeccakOfContractAddress: common.BytesToHash(hashedFakeAddr),
KeccakOfContractAddress: utils.HexToKeccak256Hash(fakeAddr),
BlockHash: common.HexToHash("0x678901"),
BlockHeight: 987,
StorageKey: common.HexToHash("0x654321"),
@ -83,10 +81,9 @@ var _ = Describe("Storage queue", func() {
})
It("gets all storage diffs from db", func() {
fakeAddr := common.FromHex("0x234567")
hashedFakeAddr := crypto.Keccak256(fakeAddr)
fakeAddr := "0x234567"
diffTwo := utils.StorageDiff{
KeccakOfContractAddress: common.BytesToHash(hashedFakeAddr),
KeccakOfContractAddress: utils.HexToKeccak256Hash(fakeAddr),
BlockHash: common.HexToHash("0x678902"),
BlockHeight: 988,
StorageKey: common.HexToHash("0x654322"),

7
libraries/shared/storage/utils/diff.go
View File

@ -42,9 +42,8 @@ func FromParityCsvRow(csvRow []string) (StorageDiff, error) {
if err != nil {
return StorageDiff{}, err
}
hashedAddr := crypto.Keccak256(common.FromHex(csvRow[0]))
return StorageDiff{
KeccakOfContractAddress: common.BytesToHash(hashedAddr),
KeccakOfContractAddress: HexToKeccak256Hash(csvRow[0]),
BlockHash: common.HexToHash(csvRow[1]),
BlockHeight: height,
StorageKey: common.HexToHash(csvRow[3]),
@ -61,3 +60,7 @@ func FromGethStateDiff(account statediff.AccountDiff, stateDiff *statediff.State
StorageValue: common.BytesToHash(storage.Value),
}
}
func HexToKeccak256Hash(addr string) common.Hash {
return crypto.Keccak256Hash(common.FromHex(addr))
}

3
libraries/shared/storage/utils/diff_test.go
View File

@ -18,7 +18,6 @@ package utils_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/statediff"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
@ -41,7 +40,7 @@ var _ = Describe("Storage row parsing", func() {
result, err := utils.FromParityCsvRow(data)
Expect(err).NotTo(HaveOccurred())
expectedKeccakOfContractAddress := common.BytesToHash(crypto.Keccak256(common.FromHex(contract)))
expectedKeccakOfContractAddress := utils.HexToKeccak256Hash(contract)
Expect(result.KeccakOfContractAddress).To(Equal(expectedKeccakOfContractAddress))
Expect(result.BlockHash).To(Equal(common.HexToHash(blockHash)))
Expect(result.BlockHeight).To(Equal(789))

9
libraries/shared/watcher/storage_watcher_test.go
View File

@ -18,7 +18,6 @@ package watcher_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/sirupsen/logrus"
@ -36,7 +35,7 @@ import (
var _ = Describe("Storage Watcher", func() {
Describe("AddTransformer", func() {
It("adds transformers", func() {
fakeHashedAddress := common.BytesToHash(crypto.Keccak256(common.FromHex("0x12345")))
fakeHashedAddress := utils.HexToKeccak256Hash("0x12345")
fakeTransformer := &mocks.MockStorageTransformer{KeccakOfAddress: fakeHashedAddress}
w := watcher.NewStorageWatcher(mocks.NewMockStorageFetcher(), test_config.NewTestDB(test_config.NewTestNode()))
@ -61,7 +60,7 @@ var _ = Describe("Storage Watcher", func() {
BeforeEach(func() {
errs = make(chan error)
diffs = make(chan utils.StorageDiff)
hashedAddress = common.BytesToHash(crypto.Keccak256(common.FromHex("0x0123456789abcdef")))
hashedAddress = utils.HexToKeccak256Hash("0x0123456789abcdef")
mockFetcher = mocks.NewMockStorageFetcher()
mockQueue = &mocks.MockStorageQueue{}
mockTransformer = &mocks.MockStorageTransformer{KeccakOfAddress: hashedAddress}
@ -192,7 +191,7 @@ var _ = Describe("Storage Watcher", func() {
It("deletes obsolete diff from queue if contract not recognized", func(done Done) {
obsoleteDiff := utils.StorageDiff{
Id: csvDiff.Id + 1,
KeccakOfContractAddress: common.BytesToHash(crypto.Keccak256(common.FromHex("0xfedcba9876543210"))),
KeccakOfContractAddress: utils.HexToKeccak256Hash("0xfedcba9876543210"),
}
mockQueue.DiffsToReturn = []utils.StorageDiff{obsoleteDiff}
@ -207,7 +206,7 @@ var _ = Describe("Storage Watcher", func() {
It("logs error if deleting obsolete diff fails", func(done Done) {
obsoleteDiff := utils.StorageDiff{
Id: csvDiff.Id + 1,
KeccakOfContractAddress: common.BytesToHash(crypto.Keccak256(common.FromHex("0xfedcba9876543210"))),
KeccakOfContractAddress: utils.HexToKeccak256Hash("0xfedcba9876543210"),
}
mockQueue.DiffsToReturn = []utils.StorageDiff{obsoleteDiff}
mockQueue.DeleteErr = fakes.FakeError

2
pkg/contract_watcher/shared/types/event.go
View File

@ -92,5 +92,5 @@ func (e Event) Sig() common.Hash {
types[i] = input.Type.String()
}
return common.BytesToHash(crypto.Keccak256([]byte(fmt.Sprintf("%v(%v)", e.Name, strings.Join(types, ",")))))
return crypto.Keccak256Hash([]byte(fmt.Sprintf("%v(%v)", e.Name, strings.Join(types, ","))))
}

2
pkg/contract_watcher/shared/types/method.go
View File

@ -107,5 +107,5 @@ func (m Method) Sig() common.Hash {
i++
}
return common.BytesToHash(crypto.Keccak256([]byte(fmt.Sprintf("%v(%v)", m.Name, strings.Join(types, ",")))))
return crypto.Keccak256Hash([]byte(fmt.Sprintf("%v(%v)", m.Name, strings.Join(types, ","))))
}