90 lines
2.7 KiB
Go
90 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 utils
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import (
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"strconv"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/statediff"
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)
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const ExpectedRowLength = 5
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type StorageDiffInput struct {
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HashedAddress common.Hash `db:"hashed_address"`
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BlockHash common.Hash `db:"block_hash"`
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BlockHeight int `db:"block_height"`
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StorageKey common.Hash `db:"storage_key"`
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StorageValue common.Hash `db:"storage_value"`
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}
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type PersistedStorageDiff struct {
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StorageDiffInput
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ID int64
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}
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func FromParityCsvRow(csvRow []string) (StorageDiffInput, error) {
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if len(csvRow) != ExpectedRowLength {
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return StorageDiffInput{}, ErrRowMalformed{Length: len(csvRow)}
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}
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height, err := strconv.Atoi(csvRow[2])
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if err != nil {
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return StorageDiffInput{}, err
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}
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return StorageDiffInput{
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HashedAddress: HexToKeccak256Hash(csvRow[0]),
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BlockHash: common.HexToHash(csvRow[1]),
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BlockHeight: height,
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StorageKey: common.HexToHash(csvRow[3]),
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StorageValue: common.HexToHash(csvRow[4]),
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}, nil
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}
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func FromGethStateDiff(account statediff.StateNode, stateDiff *statediff.StateObject, storage statediff.StorageNode) (StorageDiffInput, error) {
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var decodedValue []byte
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err := rlp.DecodeBytes(storage.NodeValue, &decodedValue)
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if err != nil {
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return StorageDiffInput{}, err
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}
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return StorageDiffInput{
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HashedAddress: common.BytesToHash(account.LeafKey),
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BlockHash: stateDiff.BlockHash,
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BlockHeight: int(stateDiff.BlockNumber.Int64()),
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StorageKey: common.BytesToHash(storage.LeafKey),
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StorageValue: common.BytesToHash(decodedValue),
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}, nil
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}
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func ToPersistedDiff(raw StorageDiffInput, id int64) PersistedStorageDiff {
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return PersistedStorageDiff{
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StorageDiffInput: raw,
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ID: id,
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}
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}
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func HexToKeccak256Hash(hex string) common.Hash {
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return crypto.Keccak256Hash(common.FromHex(hex))
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}
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func GetAccountsFromDiff(stateDiff statediff.StateObject) []statediff.StateNode {
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return stateDiff.Nodes
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}
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