ipld-eth-server/pkg/omni/converter/converter_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 converter_test
import (
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/omni/constants"
"github.com/vulcanize/vulcanizedb/pkg/omni/contract"
"github.com/vulcanize/vulcanizedb/pkg/omni/converter"
"github.com/vulcanize/vulcanizedb/pkg/omni/helpers"
"github.com/vulcanize/vulcanizedb/pkg/omni/helpers/test_helpers"
)
var mockEvent = core.WatchedEvent{
LogID: 1,
Name: constants.TransferEvent.String(),
BlockNumber: 5488076,
Address: constants.TusdContractAddress,
TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad6546ae",
Index: 110,
Topic0: constants.TransferEvent.Signature(),
Topic1: "0x000000000000000000000000000000000000000000000000000000000000af21",
Topic2: "0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391",
Topic3: "",
Data: "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359000000000000000000000000000000000000000000000000392d2e2bda9c00000000000000000000000000000000000000000000000000927f41fa0a4a418000000000000000000000000000000000000000000000000000000000005adcfebe",
}
var _ = Describe("Converter", func() {
var info *contract.Contract
var wantedEvents = []string{"Transfer"}
var err error
BeforeEach(func() {
info = test_helpers.SetupTusdContract(wantedEvents, []string{})
})
Describe("Update", func() {
It("Updates contract info held by the converter", func() {
c := converter.NewConverter(info)
i := c.CheckInfo()
Expect(i).To(Equal(info))
info := test_helpers.SetupTusdContract([]string{}, []string{})
c.Update(info)
i = c.CheckInfo()
Expect(i).To(Equal(info))
})
})
Describe("Convert", func() {
It("Converts a watched event log to mapping of event input names to values", func() {
_, ok := info.Events["Approval"]
Expect(ok).To(Equal(false))
event, ok := info.Events["Transfer"]
Expect(ok).To(Equal(true))
err = info.GenerateFilters()
Expect(err).ToNot(HaveOccurred())
c := converter.NewConverter(info)
err = c.Convert(mockEvent, event)
Expect(err).ToNot(HaveOccurred())
from := common.HexToAddress("0x000000000000000000000000000000000000000000000000000000000000af21")
to := common.HexToAddress("0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391")
value := helpers.BigFromString("1097077688018008265106216665536940668749033598146")
v := event.Logs[1].Values["value"]
Expect(event.Logs[1].Values["to"]).To(Equal(to.String()))
Expect(event.Logs[1].Values["from"]).To(Equal(from.String()))
Expect(v).To(Equal(value.String()))
})
It("Fails with an empty contract", func() {
event := info.Events["Transfer"]
c := converter.NewConverter(&contract.Contract{})
err = c.Convert(mockEvent, event)
Expect(err).To(HaveOccurred())
})
})
})