ipld-eth-server/pkg/omni/converter/converter_test.go

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// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package converter_test
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/examples/constants"
"github.com/vulcanize/vulcanizedb/examples/generic/helpers"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/omni/contract"
"github.com/vulcanize/vulcanizedb/pkg/omni/converter"
"github.com/vulcanize/vulcanizedb/pkg/omni/parser"
)
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 Test", func() {
var p parser.Parser
var err error
BeforeEach(func() {
p = parser.NewParser("")
err = p.Parse(constants.TusdContractAddress)
Expect(err).ToNot(HaveOccurred())
})
It("Converts watched event log to mapping of event input names to values", func() {
info := contract.Contract{
Name: "TrueUSD",
Address: constants.TusdContractAddress,
Abi: p.Abi(),
ParsedAbi: p.ParsedAbi(),
StartingBlock: 5197514,
Events: p.GetEvents(),
Methods: p.GetMethods(),
Addresses: map[string]bool{},
}
event := info.Events["Transfer"]
err = info.GenerateFilters([]string{"Transfer"})
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"].(*big.Int)
Expect(event.Logs[1].Values["to"].(common.Address)).To(Equal(to))
Expect(event.Logs[1].Values["from"].(common.Address)).To(Equal(from))
Expect(v.String()).To(Equal(value.String()))
})
It("Fails with an empty contract", func() {
event := p.GetEvents()["Transfer"]
c := converter.NewConverter(contract.Contract{})
err = c.Convert(mockEvent, event)
Expect(err).To(HaveOccurred())
})
})