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move storage mappings pkg into shared

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This commit is contained in:
Ian Norden
2019-02-24 21:38:48 -06:00
parent 03a7379617
commit 90e67d6da9
15 changed files with 91 additions and 37 deletions
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libraries/shared/storage/utils/decoder.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/common"
)
func Decode(row StorageDiffRow, metadata StorageValueMetadata) (interface{}, error) {
switch metadata.Type {
case Uint256:
return decodeUint256(row.StorageValue.Bytes()), nil
case Address:
return decodeAddress(row.StorageValue.Bytes()), nil
case Bytes32:
return row.StorageValue.Hex(), nil
default:
panic(fmt.Sprintf("can't decode unknown type: %d", metadata.Type))
}
}
func decodeUint256(raw []byte) string {
n := big.NewInt(0).SetBytes(raw)
return n.String()
}
func decodeAddress(raw []byte) string {
return common.BytesToAddress(raw).Hex()
}
libraries/shared/storage/utils/decoder_test.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils_test
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
)
var _ = Describe("Storage decoder", func() {
It("decodes uint256", func() {
fakeInt := common.HexToHash("0000000000000000000000000000000000000000000000000000000000000539")
row := utils.StorageDiffRow{StorageValue: fakeInt}
metadata := utils.StorageValueMetadata{Type: utils.Uint256}
result, err := utils.Decode(row, metadata)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(Equal(big.NewInt(0).SetBytes(fakeInt.Bytes()).String()))
})
It("decodes address", func() {
fakeAddress := common.HexToAddress("0x12345")
row := utils.StorageDiffRow{StorageValue: fakeAddress.Hash()}
metadata := utils.StorageValueMetadata{Type: utils.Address}
result, err := utils.Decode(row, metadata)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(Equal(fakeAddress.Hex()))
})
})
libraries/shared/storage/utils/errors.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"fmt"
)
type ErrContractNotFound struct {
Contract string
}
func (e ErrContractNotFound) Error() string {
return fmt.Sprintf("transformer not found for contract: %s", e.Contract)
}
type ErrMetadataMalformed struct {
MissingData Key
}
func (e ErrMetadataMalformed) Error() string {
return fmt.Sprintf("storage metadata malformed: missing %s", e.MissingData)
}
type ErrRowMalformed struct {
Length int
}
func (e ErrRowMalformed) Error() string {
return fmt.Sprintf("storage row malformed: length %d, expected %d", e.Length, ExpectedRowLength)
}
type ErrStorageKeyNotFound struct {
Key string
}
func (e ErrStorageKeyNotFound) Error() string {
return fmt.Sprintf("unknown storage key: %s", e.Key)
}
libraries/shared/storage/utils/row.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"strconv"
"github.com/ethereum/go-ethereum/common"
)
const ExpectedRowLength = 5
type StorageDiffRow struct {
Contract common.Address
BlockHash common.Hash `db:"block_hash"`
BlockHeight int `db:"block_height"`
StorageKey common.Hash `db:"storage_key"`
StorageValue common.Hash `db:"storage_value"`
}
func FromStrings(csvRow []string) (StorageDiffRow, error) {
if len(csvRow) != ExpectedRowLength {
return StorageDiffRow{}, ErrRowMalformed{Length: len(csvRow)}
}
height, err := strconv.Atoi(csvRow[2])
if err != nil {
return StorageDiffRow{}, err
}
return StorageDiffRow{
Contract: common.HexToAddress(csvRow[0]),
BlockHash: common.HexToHash(csvRow[1]),
BlockHeight: height,
StorageKey: common.HexToHash(csvRow[3]),
StorageValue: common.HexToHash(csvRow[4]),
}, nil
}
libraries/shared/storage/utils/row_test.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils_test
import (
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
)
var _ = Describe("Storage row parsing", func() {
It("converts an array of strings to a row struct", func() {
contract := "0x123"
blockHash := "0x456"
blockHeight := "789"
storageKey := "0x987"
storageValue := "0x654"
data := []string{contract, blockHash, blockHeight, storageKey, storageValue}
result, err := utils.FromStrings(data)
Expect(err).NotTo(HaveOccurred())
Expect(result.Contract).To(Equal(common.HexToAddress(contract)))
Expect(result.BlockHash).To(Equal(common.HexToHash(blockHash)))
Expect(result.BlockHeight).To(Equal(789))
Expect(result.StorageKey).To(Equal(common.HexToHash(storageKey)))
Expect(result.StorageValue).To(Equal(common.HexToHash(storageValue)))
})
It("returns an error if row is missing data", func() {
_, err := utils.FromStrings([]string{"0x123"})
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(utils.ErrRowMalformed{Length: 1}))
})
It("returns error if block height malformed", func() {
_, err := utils.FromStrings([]string{"", "", "", "", ""})
Expect(err).To(HaveOccurred())
})
})
libraries/shared/storage/utils/shared_suite_test.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils_test
import (
"github.com/sirupsen/logrus"
"io/ioutil"
"testing"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func TestShared(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Shared Suite")
}
var _ = BeforeSuite(func() {
logrus.SetOutput(ioutil.Discard)
})
libraries/shared/storage/utils/value.go
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// VulcanizeDB
// Copyright © 2018 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
type ValueType int
const (
Uint256 ValueType = iota
Bytes32
Address
)
type Key string
const (
Ilk Key = "ilk"
Guy Key = "guy"
Flip Key = "flip"
)
type StorageValueMetadata struct {
Name string
Keys map[Key]string
Type ValueType
}
func GetStorageValueMetadata(name string, keys map[Key]string, t ValueType) StorageValueMetadata {
return StorageValueMetadata{
Name: name,
Keys: keys,
Type: t,
}
}