reorg pkg/ to prepare to support chains other than ethereumm

2020-02-20 16:14:16 -06:00
parent 1412f5a7f5
commit da844b0b83
240 changed files with 440 additions and 440 deletions
@@ -0,0 +1,66 @@
+// VulcanizeDB
+// Copyright © 2019 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 fetcher_test
+
+import (
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/eth/contract_watcher/header/fetcher"
+	"github.com/vulcanize/vulcanizedb/pkg/eth/core"
+	"github.com/vulcanize/vulcanizedb/pkg/eth/fakes"
+)
+
+var _ = Describe("Fetcher", func() {
+	Describe("FetchLogs", func() {
+		It("fetches logs based on the given query", func() {
+			blockChain := fakes.NewMockBlockChain()
+			fetcher := fetcher.NewFetcher(blockChain)
+			header := fakes.FakeHeader
+
+			addresses := []string{"0xfakeAddress", "0xanotherFakeAddress"}
+			topicZeros := [][]common.Hash{{common.BytesToHash([]byte{1, 2, 3, 4, 5})}}
+
+			_, err := fetcher.FetchLogs(addresses, []common.Hash{common.BytesToHash([]byte{1, 2, 3, 4, 5})}, header)
+
+			address1 := common.HexToAddress("0xfakeAddress")
+			address2 := common.HexToAddress("0xanotherFakeAddress")
+			Expect(err).NotTo(HaveOccurred())
+
+			blockHash := common.HexToHash(header.Hash)
+			expectedQuery := ethereum.FilterQuery{
+				BlockHash: &blockHash,
+				Addresses: []common.Address{address1, address2},
+				Topics:    topicZeros,
+			}
+			blockChain.AssertGetEthLogsWithCustomQueryCalledWith(expectedQuery)
+		})
+
+		It("returns an error if fetching the logs fails", func() {
+			blockChain := fakes.NewMockBlockChain()
+			blockChain.SetGetEthLogsWithCustomQueryErr(fakes.FakeError)
+			fetcher := fetcher.NewFetcher(blockChain)
+
+			_, err := fetcher.FetchLogs([]string{}, []common.Hash{}, core.Header{})
+
+			Expect(err).To(HaveOccurred())
+			Expect(err).To(MatchError(fakes.FakeError))
+		})
+	})
+})