ipld-eth-server/pkg/transformers/storage_diffs/shared/decoder_test.go
Rob Mulholand 867f92c431 (VDB-298) Consume Pit contract storage diffs
- Continuously parse storage diffs CSV data to read Pit contract state
- Convert ilks in database to raw bytes32 value for use in generating
  storage keys dynamically
- Persist storage diffs with block number and hash for validation
2019-02-06 10:31:46 -06:00

59 lines
2.0 KiB
Go

// 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 shared_test
import (
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/storage_diffs/shared"
"math/big"
)
var _ = Describe("Storage decoder", func() {
It("decodes uint256", func() {
fakeInt := common.HexToHash("0000000000000000000000000000000000000000000000000000000000000539")
row := shared.StorageDiffRow{StorageValue: fakeInt}
metadata := shared.StorageValueMetadata{Type: shared.Uint256}
result, err := shared.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 := shared.StorageDiffRow{StorageValue: fakeAddress.Hash()}
metadata := shared.StorageValueMetadata{Type: shared.Address}
result, err := shared.Decode(row, metadata)
Expect(err).NotTo(HaveOccurred())
Expect(result).To(Equal(fakeAddress.Hex()))
})
It("returns error if attempting to decode unknown type", func() {
metadata := shared.StorageValueMetadata{Type: 100}
_, err := shared.Decode(shared.StorageDiffRow{}, metadata)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(shared.ErrTypeNotFound{}))
})
})