64 lines
1.9 KiB
Go
64 lines
1.9 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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"math/big"
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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/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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blockNumber := int64(123)
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address := "0xfakeAddress"
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topicZeros := [][]common.Hash{{common.BytesToHash([]byte{1, 2, 3, 4, 5})}}
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_, err := fetcher.FetchLogs(address, topicZeros, blockNumber)
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Expect(err).NotTo(HaveOccurred())
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expectedQuery := ethereum.FilterQuery{
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FromBlock: big.NewInt(blockNumber),
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ToBlock: big.NewInt(blockNumber),
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Addresses: []common.Address{common.HexToAddress(address)},
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Topics: 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.Hash{}, int64(1))
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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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