67 lines
2.2 KiB
Go
67 lines
2.2 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 fetcher_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/omni/light/fetcher"
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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 := fetcher.NewFetcher(blockChain)
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header := fakes.FakeHeader
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addresses := []string{"0xfakeAddress", "0xanotherFakeAddress"}
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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: 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 := fetcher.NewFetcher(blockChain)
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_, err := fetcher.FetchLogs([]string{}, [][]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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