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

245 lines
9.0 KiB
Go

// 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 transformer_test
import (
"fmt"
"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/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
"github.com/vulcanize/vulcanizedb/pkg/omni/light/transformer"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/constants"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/helpers/test_helpers"
"github.com/vulcanize/vulcanizedb/pkg/omni/shared/helpers/test_helpers/mocks"
)
var _ = Describe("Transformer", func() {
var db *postgres.DB
var err error
var blockChain core.BlockChain
var headerRepository repositories.HeaderRepository
var headerID int64
BeforeEach(func() {
db, blockChain = test_helpers.SetupDBandBC()
headerRepository = repositories.NewHeaderRepository(db)
})
AfterEach(func() {
test_helpers.TearDown(db)
})
Describe("SetEvents", func() {
It("Sets which events to watch from the given contract address", func() {
watchedEvents := []string{"Transfer", "Mint"}
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, watchedEvents)
Expect(t.WatchedEvents[constants.TusdContractAddress]).To(Equal(watchedEvents))
})
})
Describe("SetEventAddrs", func() {
It("Sets which account addresses to watch events for", func() {
eventAddrs := []string{"test1", "test2"}
t := transformer.NewTransformer("", blockChain, db)
t.SetEventArgs(constants.TusdContractAddress, eventAddrs)
Expect(t.EventArgs[constants.TusdContractAddress]).To(Equal(eventAddrs))
})
})
Describe("SetMethods", func() {
It("Sets which methods to poll at the given contract address", func() {
watchedMethods := []string{"balanceOf", "totalSupply"}
t := transformer.NewTransformer("", blockChain, db)
t.SetMethods(constants.TusdContractAddress, watchedMethods)
Expect(t.WantedMethods[constants.TusdContractAddress]).To(Equal(watchedMethods))
})
})
Describe("SetMethodAddrs", func() {
It("Sets which account addresses to poll methods against", func() {
methodAddrs := []string{"test1", "test2"}
t := transformer.NewTransformer("", blockChain, db)
t.SetMethodArgs(constants.TusdContractAddress, methodAddrs)
Expect(t.MethodArgs[constants.TusdContractAddress]).To(Equal(methodAddrs))
})
})
Describe("SetRange", func() {
It("Sets the block range that the contract should be watched within", func() {
rng := [2]int64{1, 100000}
t := transformer.NewTransformer("", blockChain, db)
t.SetRange(constants.TusdContractAddress, rng)
Expect(t.ContractRanges[constants.TusdContractAddress]).To(Equal(rng))
})
})
Describe("Init", func() {
It("Initializes transformer's contract objects", func() {
headerRepository.CreateOrUpdateHeader(mocks.MockHeader1)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader3)
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
err = t.Init()
Expect(err).ToNot(HaveOccurred())
c, ok := t.Contracts[constants.TusdContractAddress]
Expect(ok).To(Equal(true))
Expect(c.StartingBlock).To(Equal(int64(6194632)))
Expect(c.LastBlock).To(Equal(int64(6194634)))
Expect(c.Abi).To(Equal(constants.TusdAbiString))
Expect(c.Name).To(Equal("TrueUSD"))
Expect(c.Address).To(Equal(constants.TusdContractAddress))
})
It("Fails to initialize if first and most recent block numbers cannot be fetched from vDB headers table", func() {
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
err = t.Init()
Expect(err).To(HaveOccurred())
})
It("Does nothing if watched events are unset", func() {
headerRepository.CreateOrUpdateHeader(mocks.MockHeader1)
headerRepository.CreateOrUpdateHeader(mocks.MockHeader3)
t := transformer.NewTransformer("", blockChain, db)
err = t.Init()
Expect(err).ToNot(HaveOccurred())
_, ok := t.Contracts[constants.TusdContractAddress]
Expect(ok).To(Equal(false))
})
})
Describe("Execute", func() {
BeforeEach(func() {
header1, err := blockChain.GetHeaderByNumber(6791668)
Expect(err).ToNot(HaveOccurred())
header2, err := blockChain.GetHeaderByNumber(6791669)
Expect(err).ToNot(HaveOccurred())
header3, err := blockChain.GetHeaderByNumber(6791670)
Expect(err).ToNot(HaveOccurred())
headerRepository.CreateOrUpdateHeader(header1)
headerID, err = headerRepository.CreateOrUpdateHeader(header2)
Expect(err).ToNot(HaveOccurred())
headerRepository.CreateOrUpdateHeader(header3)
})
It("Transforms watched contract data into custom repositories", func() {
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
t.SetMethods(constants.TusdContractAddress, nil)
err = t.Init()
Expect(err).ToNot(HaveOccurred())
err = t.Execute()
Expect(err).ToNot(HaveOccurred())
log := test_helpers.LightTransferLog{}
err = db.QueryRowx(fmt.Sprintf("SELECT * FROM light_%s.transfer_event", constants.TusdContractAddress)).StructScan(&log)
// We don't know vulcID, so compare individual fields instead of complete structures
Expect(log.HeaderID).To(Equal(headerID))
Expect(log.From).To(Equal("0x1062a747393198f70F71ec65A582423Dba7E5Ab3"))
Expect(log.To).To(Equal("0x2930096dB16b4A44Ecd4084EA4bd26F7EeF1AEf0"))
Expect(log.Value).To(Equal("9998940000000000000000"))
})
It("Keeps track of contract-related addresses while transforming event data if they need to be used for later method polling", func() {
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
t.SetMethods(constants.TusdContractAddress, []string{"balanceOf"})
err = t.Init()
Expect(err).ToNot(HaveOccurred())
c, ok := t.Contracts[constants.TusdContractAddress]
Expect(ok).To(Equal(true))
err = t.Execute()
Expect(err).ToNot(HaveOccurred())
b, ok := c.EmittedAddrs[common.HexToAddress("0x1062a747393198f70F71ec65A582423Dba7E5Ab3")]
Expect(ok).To(Equal(true))
Expect(b).To(Equal(true))
b, ok = c.EmittedAddrs[common.HexToAddress("0x2930096dB16b4A44Ecd4084EA4bd26F7EeF1AEf0")]
Expect(ok).To(Equal(true))
Expect(b).To(Equal(true))
_, ok = c.EmittedAddrs[common.HexToAddress("0x09BbBBE21a5975cAc061D82f7b843b1234567890")]
Expect(ok).To(Equal(false))
_, ok = c.EmittedAddrs[common.HexToAddress("0x")]
Expect(ok).To(Equal(false))
_, ok = c.EmittedAddrs[""]
Expect(ok).To(Equal(false))
_, ok = c.EmittedAddrs[common.HexToAddress("0x09THISE21a5IS5cFAKE1D82fAND43bCE06MADEUP")]
Expect(ok).To(Equal(false))
})
It("Polls given methods using generated token holder address", func() {
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
t.SetMethods(constants.TusdContractAddress, []string{"balanceOf"})
err = t.Init()
Expect(err).ToNot(HaveOccurred())
err = t.Execute()
Expect(err).ToNot(HaveOccurred())
res := test_helpers.BalanceOf{}
c, ok := t.Contracts[constants.TusdContractAddress]
Expect(ok).To(Equal(true))
b, ok := c.EmittedAddrs[common.HexToAddress("0x1062a747393198f70F71ec65A582423Dba7E5Ab3")]
Expect(ok).To(Equal(true))
Expect(b).To(Equal(true))
b, ok = c.EmittedAddrs[common.HexToAddress("0x2930096dB16b4A44Ecd4084EA4bd26F7EeF1AEf0")]
Expect(ok).To(Equal(true))
Expect(b).To(Equal(true))
err = db.QueryRowx(fmt.Sprintf("SELECT * FROM light_%s.balanceof_method WHERE who_ = '0x1062a747393198f70F71ec65A582423Dba7E5Ab3' AND block = '6791669'", constants.TusdContractAddress)).StructScan(&res)
Expect(err).ToNot(HaveOccurred())
Expect(res.Balance).To(Equal("55849938025000000000000"))
Expect(res.TokenName).To(Equal("TrueUSD"))
err = db.QueryRowx(fmt.Sprintf("SELECT * FROM light_%s.balanceof_method WHERE who_ = '0x09BbBBE21a5975cAc061D82f7b843b1234567890' AND block = '6791669'", constants.TusdContractAddress)).StructScan(&res)
Expect(err).To(HaveOccurred())
})
It("Fails if initialization has not been done", func() {
t := transformer.NewTransformer("", blockChain, db)
t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
t.SetMethods(constants.TusdContractAddress, nil)
err = t.Execute()
Expect(err).To(HaveOccurred())
})
})
})