817bd76713
persisted as they are converted, preventing build up in memory, and finishing method polling (for full sync)
270 lines
10 KiB
Go
270 lines
10 KiB
Go
// VulcanizeDB
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// Copyright © 2018 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package transformer_test
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import (
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"fmt"
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"math/rand"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"github.com/vulcanize/vulcanizedb/pkg/core"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
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"github.com/vulcanize/vulcanizedb/pkg/omni/constants"
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"github.com/vulcanize/vulcanizedb/pkg/omni/helpers/test_helpers"
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"github.com/vulcanize/vulcanizedb/pkg/omni/transformer"
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)
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var block1 = core.Block{
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Hash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad123ert",
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Number: 6194633,
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Transactions: []core.Transaction{{
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Hash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654aaa",
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Receipt: core.Receipt{
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TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654aaa",
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ContractAddress: "",
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Logs: []core.Log{{
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BlockNumber: 6194633,
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TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654aaa",
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Address: constants.TusdContractAddress,
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Topics: core.Topics{
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constants.TransferEvent.Signature(),
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"0x000000000000000000000000000000000000000000000000000000000000af21",
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"0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391",
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"",
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},
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Index: 1,
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Data: "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359000000000000000000000000000000000000000000000000392d2e2bda9c00000000000000000000000000000000000000000000000000927f41fa0a4a418000000000000000000000000000000000000000000000000000000000005adcfebe",
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}},
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},
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}},
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}
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var block2 = core.Block{
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Hash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad123ooo",
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Number: 6194634,
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Transactions: []core.Transaction{{
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Hash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654eee",
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Receipt: core.Receipt{
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TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654eee",
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ContractAddress: "",
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Logs: []core.Log{{
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BlockNumber: 6194634,
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TxHash: "0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654eee",
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Address: constants.TusdContractAddress,
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Topics: core.Topics{
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constants.TransferEvent.Signature(),
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"0x000000000000000000000000000000000000000000000000000000000000af21",
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"0x9dd48110dcc444fdc242510c09bbbbe21a5975cac061d82f7b843bce061ba391",
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"",
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},
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Index: 1,
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Data: "0x000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc200000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359000000000000000000000000000000000000000000000000392d2e2bda9c00000000000000000000000000000000000000000000000000927f41fa0a4a418000000000000000000000000000000000000000000000000000000000005adcfebe",
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}},
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},
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}},
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}
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var _ = Describe("Transformer", func() {
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var db *postgres.DB
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var err error
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var blockChain core.BlockChain
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var blockRepository repositories.BlockRepository
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rand.Seed(time.Now().UnixNano())
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BeforeEach(func() {
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db, blockChain = test_helpers.SetupDBandBC()
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blockRepository = *repositories.NewBlockRepository(db)
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})
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AfterEach(func() {
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test_helpers.TearDown(db)
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})
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Describe("SetEvents", func() {
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It("Sets which events to watch from the given contract address", func() {
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watchedEvents := []string{"Transfer", "Mint"}
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, watchedEvents)
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Expect(t.WatchedEvents[constants.TusdContractAddress]).To(Equal(watchedEvents))
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})
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})
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Describe("SetEventAddrs", func() {
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It("Sets which account addresses to watch events for", func() {
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eventAddrs := []string{"test1", "test2"}
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEventAddrs(constants.TusdContractAddress, eventAddrs)
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Expect(t.EventAddrs[constants.TusdContractAddress]).To(Equal(eventAddrs))
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})
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})
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Describe("SetMethods", func() {
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It("Sets which methods to poll at the given contract address", func() {
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watchedMethods := []string{"balanceOf", "totalSupply"}
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t := transformer.NewTransformer("", blockChain, db)
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t.SetMethods(constants.TusdContractAddress, watchedMethods)
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Expect(t.WantedMethods[constants.TusdContractAddress]).To(Equal(watchedMethods))
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})
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})
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Describe("SetMethodAddrs", func() {
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It("Sets which account addresses to poll methods against", func() {
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methodAddrs := []string{"test1", "test2"}
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t := transformer.NewTransformer("", blockChain, db)
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t.SetMethodAddrs(constants.TusdContractAddress, methodAddrs)
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Expect(t.MethodAddrs[constants.TusdContractAddress]).To(Equal(methodAddrs))
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})
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})
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Describe("SetRange", func() {
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It("Sets the block range that the contract should be watched within", func() {
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rng := [2]int64{1, 100000}
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t := transformer.NewTransformer("", blockChain, db)
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t.SetRange(constants.TusdContractAddress, rng)
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Expect(t.ContractRanges[constants.TusdContractAddress]).To(Equal(rng))
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})
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})
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Describe("Init", func() {
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It("Initializes transformer's contract objects", func() {
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blockRepository.CreateOrUpdateBlock(block1)
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blockRepository.CreateOrUpdateBlock(block2)
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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err = t.Init()
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Expect(err).ToNot(HaveOccurred())
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c, ok := t.Contracts[constants.TusdContractAddress]
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Expect(ok).To(Equal(true))
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Expect(c.StartingBlock).To(Equal(int64(6194633)))
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Expect(c.LastBlock).To(Equal(int64(6194634)))
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Expect(c.Abi).To(Equal(constants.TusdAbiString))
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Expect(c.Name).To(Equal("TrueUSD"))
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Expect(c.Address).To(Equal(constants.TusdContractAddress))
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})
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It("Fails to initialize if first and most recent blocks cannot be fetched from vDB", func() {
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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err = t.Init()
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Expect(err).To(HaveOccurred())
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})
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It("Does nothing if watched events are nil", func() {
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blockRepository.CreateOrUpdateBlock(block1)
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blockRepository.CreateOrUpdateBlock(block2)
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t := transformer.NewTransformer("", blockChain, db)
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err = t.Init()
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Expect(err).ToNot(HaveOccurred())
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_, ok := t.Contracts[constants.TusdContractAddress]
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Expect(ok).To(Equal(false))
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})
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})
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Describe("Execute", func() {
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BeforeEach(func() {
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blockRepository.CreateOrUpdateBlock(block1)
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blockRepository.CreateOrUpdateBlock(block2)
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})
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It("Transforms watched contract data into custom repositories", func() {
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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t.SetMethods(constants.TusdContractAddress, nil)
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err = t.Init()
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Expect(err).ToNot(HaveOccurred())
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err = t.Execute()
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Expect(err).ToNot(HaveOccurred())
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log := test_helpers.TransferLog{}
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err = db.QueryRowx(fmt.Sprintf("SELECT * FROM c%s.transfer_event WHERE block = 6194634", constants.TusdContractAddress)).StructScan(&log)
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// We don't know vulcID, so compare individual fields instead of complete structures
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Expect(log.Tx).To(Equal("0x135391a0962a63944e5908e6fedfff90fb4be3e3290a21017861099bad654eee"))
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Expect(log.Block).To(Equal(int64(6194634)))
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Expect(log.From).To(Equal("0x000000000000000000000000000000000000Af21"))
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Expect(log.To).To(Equal("0x09BbBBE21a5975cAc061D82f7b843bCE061BA391"))
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Expect(log.Value).To(Equal("1097077688018008265106216665536940668749033598146"))
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})
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It("Keeps track of contract-related addresses while transforming event data", func() {
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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t.SetMethods(constants.TusdContractAddress, nil)
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err = t.Init()
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Expect(err).ToNot(HaveOccurred())
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c, ok := t.Contracts[constants.TusdContractAddress]
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Expect(ok).To(Equal(true))
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err = t.Execute()
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Expect(err).ToNot(HaveOccurred())
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b, ok := c.TknHolderAddrs["0x000000000000000000000000000000000000Af21"]
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Expect(ok).To(Equal(true))
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Expect(b).To(Equal(true))
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b, ok = c.TknHolderAddrs["0x09BbBBE21a5975cAc061D82f7b843bCE061BA391"]
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Expect(ok).To(Equal(true))
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Expect(b).To(Equal(true))
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_, ok = c.TknHolderAddrs["0x09BbBBE21a5975cAc061D82f7b843b1234567890"]
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Expect(ok).To(Equal(false))
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_, ok = c.TknHolderAddrs["0x"]
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Expect(ok).To(Equal(false))
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})
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It("Polls given methods using generated token holder address", func() {
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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t.SetMethods(constants.TusdContractAddress, []string{"balanceOf"})
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err = t.Init()
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Expect(err).ToNot(HaveOccurred())
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err = t.Execute()
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Expect(err).ToNot(HaveOccurred())
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res := test_helpers.BalanceOf{}
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err = db.QueryRowx(fmt.Sprintf("SELECT * FROM c%s.balanceof_method WHERE who_ = '0x000000000000000000000000000000000000Af21' AND block = '6194634'", constants.TusdContractAddress)).StructScan(&res)
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Expect(err).ToNot(HaveOccurred())
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Expect(res.Balance).To(Equal("0"))
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Expect(res.TokenName).To(Equal("TrueUSD"))
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err = db.QueryRowx(fmt.Sprintf("SELECT * FROM c%s.balanceof_method WHERE who_ = '0xfE9e8709d3215310075d67E3ed32A380CCf451C8' AND block = '6194634'", constants.TusdContractAddress)).StructScan(&res)
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Expect(err).To(HaveOccurred())
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})
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It("Fails if initialization has not been done", func() {
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t := transformer.NewTransformer("", blockChain, db)
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t.SetEvents(constants.TusdContractAddress, []string{"Transfer"})
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t.SetMethods(constants.TusdContractAddress, nil)
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err = t.Execute()
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Expect(err).To(HaveOccurred())
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})
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})
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})
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