ipld-eth-server/examples/erc20_watcher/event_triggered/dai/transformer_test.go

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// VulcanizeDB
// Copyright © 2018 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 dai_test
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/event_triggered/dai"
"github.com/vulcanize/vulcanizedb/examples/mocks"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/omni/constants"
)
var blockID1 = int64(5428074)
var logID1 = int64(113)
var blockID2 = int64(5428405)
var logID2 = int64(100)
var fakeWatchedEvents = []*core.WatchedEvent{
{
LogID: logID1,
Name: constants.TransferEvent.String(),
BlockNumber: blockID1,
Address: constants.DaiContractAddress,
TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad6546ae",
Index: 110,
Topic0: constants.TransferEvent.Signature(),
Topic1: "0x000000000000000000000000000000000000000000000000000000000000af21",
Topic2: "0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391",
Topic3: "",
Data: "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359000000000000000000000000000000000000000000000000392d2e2bda9c00000000000000000000000000000000000000000000000000927f41fa0a4a418000000000000000000000000000000000000000000000000000000000005adcfebe",
},
{
LogID: logID2,
Name: constants.ApprovalEvent.String(),
BlockNumber: blockID2,
Address: constants.DaiContractAddress,
TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad6546ae",
Index: 110,
Topic0: constants.ApprovalEvent.Signature(),
Topic1: "0x000000000000000000000000000000000000000000000000000000000000af21",
Topic2: "0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391",
Topic3: "",
Data: "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359000000000000000000000000000000000000000000000000392d2e2bda9c00000000000000000000000000000000000000000000000000927f41fa0a4a418000000000000000000000000000000000000000000000000000000000005adcfebe",
},
}
var _ = Describe("Mock ERC20 transformer", func() {
var mockERC20Converter mocks.MockERC20Converter
var watchedEventsRepo mocks.MockWatchedEventsRepository
var mockEventRepo mocks.MockEventRepo
var filterRepo mocks.MockFilterRepository
var transformer dai.ERC20EventTransformer
BeforeEach(func() {
mockERC20Converter = mocks.MockERC20Converter{}
watchedEventsRepo = mocks.MockWatchedEventsRepository{}
watchedEventsRepo.SetWatchedEvents(fakeWatchedEvents)
mockEventRepo = mocks.MockEventRepo{}
filterRepo = mocks.MockFilterRepository{}
filters := constants.DaiERC20Filters
transformer = dai.ERC20EventTransformer{
Converter: &mockERC20Converter,
WatchedEventRepository: &watchedEventsRepo,
FilterRepository: filterRepo,
Repository: &mockEventRepo,
Filters: filters,
}
})
It("calls the watched events repo with correct filter", func() {
transformer.Execute()
Expect(len(watchedEventsRepo.Names)).To(Equal(2))
Expect(watchedEventsRepo.Names).To(ConsistOf([]string{constants.TransferEvent.String(), constants.ApprovalEvent.String()}))
})
It("calls the mock ERC20 converter with the watched events", func() {
transformer.Execute()
Expect(len(mockERC20Converter.WatchedEvents)).To(Equal(2))
Expect(mockERC20Converter.WatchedEvents).To(ConsistOf(fakeWatchedEvents))
})
It("converts a Transfer and Approval entity to their models", func() {
transformer.Execute()
Expect(len(mockERC20Converter.TransfersToConvert)).To(Equal(1))
Expect(mockERC20Converter.TransfersToConvert[0].Block).To(Equal(blockID1))
Expect(len(mockERC20Converter.ApprovalsToConvert)).To(Equal(1))
Expect(mockERC20Converter.ApprovalsToConvert[0].Block).To(Equal(blockID2))
})
It("persists Transfer and Approval data for each watched Transfer or Approval event", func() {
transformer.Execute()
Expect(len(mockEventRepo.TransferLogs)).To(Equal(1))
Expect(len(mockEventRepo.ApprovalLogs)).To(Equal(1))
Expect(mockEventRepo.VulcanizeLogIDs).To(ConsistOf(logID1, logID2))
})
})