69 lines
2.2 KiB
Go
69 lines
2.2 KiB
Go
// Copyright 2018 Vulcanize
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shared_test
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import (
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"github.com/ethereum/go-ethereum"
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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/core"
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"github.com/vulcanize/vulcanizedb/pkg/fakes"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
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)
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var _ = Describe("Fetcher", func() {
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Describe("FetchLogs", func() {
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It("fetches logs based on the given query", func() {
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blockChain := fakes.NewMockBlockChain()
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fetcher := shared.NewFetcher(blockChain)
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header := fakes.FakeHeader
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addresses := []common.Address{
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common.HexToAddress("0xfakeAddress"),
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common.HexToAddress("0xanotherFakeAddress"),
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}
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topicZeros := []common.Hash{common.BytesToHash([]byte{1, 2, 3, 4, 5})}
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_, err := fetcher.FetchLogs(addresses, topicZeros, header)
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address1 := common.HexToAddress("0xfakeAddress")
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address2 := common.HexToAddress("0xanotherFakeAddress")
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Expect(err).NotTo(HaveOccurred())
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blockHash := common.HexToHash(header.Hash)
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expectedQuery := ethereum.FilterQuery{
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BlockHash: &blockHash,
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Addresses: []common.Address{address1, address2},
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Topics: [][]common.Hash{topicZeros},
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}
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blockChain.AssertGetEthLogsWithCustomQueryCalledWith(expectedQuery)
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})
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It("returns an error if fetching the logs fails", func() {
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blockChain := fakes.NewMockBlockChain()
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blockChain.SetGetEthLogsWithCustomQueryErr(fakes.FakeError)
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fetcher := shared.NewFetcher(blockChain)
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_, err := fetcher.FetchLogs([]common.Address{}, []common.Hash{}, core.Header{})
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Expect(err).To(HaveOccurred())
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Expect(err).To(MatchError(fakes.FakeError))
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})
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})
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})
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