74 lines
2.5 KiB
Go
74 lines
2.5 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2019 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 (
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
"github.com/ethereum/go-ethereum/statediff"
|
|
"strconv"
|
|
)
|
|
|
|
const ExpectedRowLength = 5
|
|
|
|
type StorageDiff struct {
|
|
Id int
|
|
KeccakOfContractAddress common.Hash `db:"contract"`
|
|
BlockHash common.Hash `db:"block_hash"`
|
|
BlockHeight int `db:"block_height"`
|
|
StorageKey common.Hash `db:"storage_key"`
|
|
StorageValue common.Hash `db:"storage_value"`
|
|
}
|
|
|
|
func FromParityCsvRow(csvRow []string) (StorageDiff, error) {
|
|
if len(csvRow) != ExpectedRowLength {
|
|
return StorageDiff{}, ErrRowMalformed{Length: len(csvRow)}
|
|
}
|
|
height, err := strconv.Atoi(csvRow[2])
|
|
if err != nil {
|
|
return StorageDiff{}, err
|
|
}
|
|
return StorageDiff{
|
|
KeccakOfContractAddress: HexToKeccak256Hash(csvRow[0]),
|
|
BlockHash: common.HexToHash(csvRow[1]),
|
|
BlockHeight: height,
|
|
StorageKey: common.HexToHash(csvRow[3]),
|
|
StorageValue: common.HexToHash(csvRow[4]),
|
|
}, nil
|
|
}
|
|
|
|
func FromGethStateDiff(account statediff.AccountDiff, stateDiff *statediff.StateDiff, storage statediff.StorageDiff) (StorageDiff, error) {
|
|
var decodedValue []byte
|
|
err := rlp.DecodeBytes(storage.Value, &decodedValue)
|
|
if err != nil {
|
|
return StorageDiff{}, err
|
|
}
|
|
|
|
return StorageDiff{
|
|
KeccakOfContractAddress: common.BytesToHash(account.Key),
|
|
BlockHash: stateDiff.BlockHash,
|
|
BlockHeight: int(stateDiff.BlockNumber.Int64()),
|
|
StorageKey: common.BytesToHash(storage.Key),
|
|
StorageValue: common.BytesToHash(decodedValue),
|
|
}, nil
|
|
}
|
|
|
|
func HexToKeccak256Hash(hex string) common.Hash {
|
|
return crypto.Keccak256Hash(common.FromHex(hex))
|
|
}
|