forked from cerc-io/ipld-eth-server
59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
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// VulcanizeDB
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// Copyright © 2018 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 shared_test
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import (
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"github.com/ethereum/go-ethereum/common"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/storage_diffs/shared"
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"math/big"
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)
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var _ = Describe("Storage decoder", func() {
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It("decodes uint256", func() {
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fakeInt := common.HexToHash("0000000000000000000000000000000000000000000000000000000000000539")
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row := shared.StorageDiffRow{StorageValue: fakeInt}
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metadata := shared.StorageValueMetadata{Type: shared.Uint256}
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result, err := shared.Decode(row, metadata)
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(Equal(big.NewInt(0).SetBytes(fakeInt.Bytes()).String()))
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})
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It("decodes address", func() {
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fakeAddress := common.HexToAddress("0x12345")
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row := shared.StorageDiffRow{StorageValue: fakeAddress.Hash()}
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metadata := shared.StorageValueMetadata{Type: shared.Address}
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result, err := shared.Decode(row, metadata)
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Expect(err).NotTo(HaveOccurred())
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Expect(result).To(Equal(fakeAddress.Hex()))
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})
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It("returns error if attempting to decode unknown type", func() {
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metadata := shared.StorageValueMetadata{Type: 100}
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_, err := shared.Decode(shared.StorageDiffRow{}, metadata)
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(shared.ErrTypeNotFound{}))
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})
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})
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