move storage mappings pkg into shared

2019-02-24 21:38:48 -06:00
parent 03a7379617
commit 90e67d6da9
15 changed files with 91 additions and 37 deletions
@@ -0,0 +1,50 @@
+// 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
+}