ipld-eth-server/pkg/omni/full/transformer/transformer_test.go

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// 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 transformer_test
import (
"math/rand"
"time"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/omni/full/retriever"
"github.com/vulcanize/vulcanizedb/pkg/omni/full/transformer"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/contract"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/parser"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/poller"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/types"
)
var _ = Describe("Transformer", func() {
var fakeAddress = "0x1234567890abcdef"
rand.Seed(time.Now().UnixNano())
Describe("SetEvents", func() {
It("Sets which events to watch from the given contract address", func() {
watchedEvents := []string{"Transfer", "Mint"}
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetEvents(fakeAddress, watchedEvents)
Expect(t.WatchedEvents[fakeAddress]).To(Equal(watchedEvents))
})
})
Describe("SetEventAddrs", func() {
It("Sets which account addresses to watch events for", func() {
eventAddrs := []string{"test1", "test2"}
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetEventArgs(fakeAddress, eventAddrs)
Expect(t.EventArgs[fakeAddress]).To(Equal(eventAddrs))
})
})
Describe("SetMethods", func() {
It("Sets which methods to poll at the given contract address", func() {
watchedMethods := []string{"balanceOf", "totalSupply"}
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetMethods(fakeAddress, watchedMethods)
Expect(t.WantedMethods[fakeAddress]).To(Equal(watchedMethods))
})
})
Describe("SetMethodAddrs", func() {
It("Sets which account addresses to poll methods against", func() {
methodAddrs := []string{"test1", "test2"}
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetMethodArgs(fakeAddress, methodAddrs)
Expect(t.MethodArgs[fakeAddress]).To(Equal(methodAddrs))
})
})
Describe("SetStartingBlock", func() {
It("Sets the block range that the contract should be watched within", func() {
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetStartingBlock(fakeAddress, 11)
Expect(t.ContractStart[fakeAddress]).To(Equal(int64(11)))
})
})
Describe("SetCreateAddrList", func() {
It("Sets the block range that the contract should be watched within", func() {
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetCreateAddrList(fakeAddress, true)
Expect(t.CreateAddrList[fakeAddress]).To(Equal(true))
})
})
Describe("SetCreateHashList", func() {
It("Sets the block range that the contract should be watched within", func() {
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetCreateHashList(fakeAddress, true)
Expect(t.CreateHashList[fakeAddress]).To(Equal(true))
})
})
Describe("Init", func() {
It("Initializes transformer's contract objects", func() {
blockRetriever := &fakes.MockFullBlockRetriever{}
firstBlock := int64(1)
mostRecentBlock := int64(2)
blockRetriever.FirstBlock = firstBlock
blockRetriever.MostRecentBlock = mostRecentBlock
parsr := &fakes.MockParser{}
fakeAbi := "fake_abi"
eventName := "Transfer"
event := types.Event{}
parsr.AbiToReturn = fakeAbi
parsr.EventName = eventName
parsr.Event = event
pollr := &fakes.MockPoller{}
fakeContractName := "fake_contract_name"
pollr.ContractName = fakeContractName
t := getTransformer(blockRetriever, parsr, pollr)
t.SetEvents(fakeAddress, []string{"Transfer"})
err := t.Init()
Expect(err).ToNot(HaveOccurred())
c, ok := t.Contracts[fakeAddress]
Expect(ok).To(Equal(true))
Expect(c.StartingBlock).To(Equal(firstBlock))
Expect(c.LastBlock).To(Equal(mostRecentBlock))
Expect(c.Abi).To(Equal(fakeAbi))
Expect(c.Name).To(Equal(fakeContractName))
Expect(c.Address).To(Equal(fakeAddress))
})
It("Fails to initialize if first and most recent blocks cannot be fetched from vDB", func() {
blockRetriever := &fakes.MockFullBlockRetriever{}
blockRetriever.FirstBlockErr = fakes.FakeError
t := getTransformer(blockRetriever, &fakes.MockParser{}, &fakes.MockPoller{})
t.SetEvents(fakeAddress, []string{"Transfer"})
err := t.Init()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("Does nothing if watched events are unset", func() {
t := getTransformer(&fakes.MockFullBlockRetriever{}, &fakes.MockParser{}, &fakes.MockPoller{})
err := t.Init()
Expect(err).ToNot(HaveOccurred())
_, ok := t.Contracts[fakeAddress]
Expect(ok).To(Equal(false))
})
})
})
func getTransformer(blockRetriever retriever.BlockRetriever, parsr parser.Parser, pollr poller.Poller) transformer.Transformer {
return transformer.Transformer{
FilterRepository: &fakes.MockFilterRepository{},
Parser: parsr,
BlockRetriever: blockRetriever,
Poller: pollr,
Contracts: map[string]*contract.Contract{},
WatchedEvents: map[string][]string{},
WantedMethods: map[string][]string{},
ContractStart: map[string]int64{},
EventArgs: map[string][]string{},
MethodArgs: map[string][]string{},
CreateAddrList: map[string]bool{},
CreateHashList: map[string]bool{},
}
}