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Add Vat grab transformer

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This commit is contained in:
Rob Mulholand 2018-10-08 16:39:57 -05:00
parent dcdf5dc292
commit e935f2f553
20 changed files with 911 additions and 1 deletions
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1
cmd/continuousLogSync.go
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@ -104,6 +104,7 @@ func buildTransformerInitializerMap() map[string]shared2.TransformerInitializer
transformerInitializerMap["pitFileStabilityFee"] = transformers.PitFileStabilityFeeTransformerInitializer
transformerInitializerMap["priceFeed"] = transformers.PriceFeedTransformerInitializer
transformerInitializerMap["tend"] = transformers.TendTransformerInitializer
transformerInitializerMap["vatGrab"] = transformers.VatGrabTransformerInitializer
transformerInitializerMap["vatInit"] = transformers.VatInitTransformerInitializer
transformerInitializerMap["vatToll"] = transformers.VatTollTransformerInitializer
transformerInitializerMap["vatTune"] = transformers.VatTuneTransformerInitializer

3
db/migrations/1539033620_create_vat_grab.down.sql Normal file
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@ -0,0 +1,3 @@
DROP TABLE maker.vat_grab;
ALTER TABLE public.checked_headers
DROP COLUMN vat_grab_checked;

16
db/migrations/1539033620_create_vat_grab.up.sql Normal file
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@ -0,0 +1,16 @@
CREATE TABLE maker.vat_grab (
id SERIAL PRIMARY KEY,
header_id INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
ilk TEXT,
urn TEXT,
v TEXT,
w TEXT,
dink NUMERIC,
dart NUMERIC,
tx_idx INTEGER NOT NULL,
raw_log JSONB,
UNIQUE (header_id, tx_idx)
);
ALTER TABLE public.checked_headers
ADD COLUMN vat_grab_checked BOOLEAN NOT NULL DEFAULT FALSE;

72
db/schema.sql
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@ -697,6 +697,44 @@ CREATE SEQUENCE maker.tend_id_seq
ALTER SEQUENCE maker.tend_id_seq OWNED BY maker.tend.id;
--
-- Name: vat_grab; Type: TABLE; Schema: maker; Owner: -
--
CREATE TABLE maker.vat_grab (
id integer NOT NULL,
header_id integer NOT NULL,
ilk text,
urn text,
v text,
w text,
dink numeric,
dart numeric,
tx_idx integer NOT NULL,
raw_log jsonb
);
--
-- Name: vat_grab_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
--
CREATE SEQUENCE maker.vat_grab_id_seq
AS integer
START WITH 1
INCREMENT BY 1
NO MINVALUE
NO MAXVALUE
CACHE 1;
--
-- Name: vat_grab_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
--
ALTER SEQUENCE maker.vat_grab_id_seq OWNED BY maker.vat_grab.id;
--
-- Name: vat_init; Type: TABLE; Schema: maker; Owner: -
--
@ -905,7 +943,8 @@ CREATE TABLE public.checked_headers (
pit_file_stability_fee_checked boolean DEFAULT false NOT NULL,
vat_init_checked boolean DEFAULT false NOT NULL,
vat_toll_checked boolean DEFAULT false NOT NULL,
vat_tune_checked boolean DEFAULT false NOT NULL
vat_tune_checked boolean DEFAULT false NOT NULL,
vat_grab_checked boolean DEFAULT false NOT NULL
);
@ -1352,6 +1391,13 @@ ALTER TABLE ONLY maker.price_feeds ALTER COLUMN id SET DEFAULT nextval('maker.pr
ALTER TABLE ONLY maker.tend ALTER COLUMN id SET DEFAULT nextval('maker.tend_id_seq'::regclass);
--
-- Name: vat_grab id; Type: DEFAULT; Schema: maker; Owner: -
--
ALTER TABLE ONLY maker.vat_grab ALTER COLUMN id SET DEFAULT nextval('maker.vat_grab_id_seq'::regclass);
--
-- Name: vat_init id; Type: DEFAULT; Schema: maker; Owner: -
--
@ -1731,6 +1777,22 @@ ALTER TABLE ONLY maker.tend
ADD CONSTRAINT tend_pkey PRIMARY KEY (id);
--
-- Name: vat_grab vat_grab_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
--
ALTER TABLE ONLY maker.vat_grab
ADD CONSTRAINT vat_grab_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
--
-- Name: vat_grab vat_grab_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
--
ALTER TABLE ONLY maker.vat_grab
ADD CONSTRAINT vat_grab_pkey PRIMARY KEY (id);
--
-- Name: vat_init vat_init_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
--
@ -2077,6 +2139,14 @@ ALTER TABLE ONLY maker.tend
ADD CONSTRAINT tend_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
--
-- Name: vat_grab vat_grab_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
--
ALTER TABLE ONLY maker.vat_grab
ADD CONSTRAINT vat_grab_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
--
-- Name: vat_init vat_init_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
--

2
pkg/transformers/shared/constants.go
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@ -55,6 +55,7 @@ var (
pitFileIlkMethod = "file(bytes32,bytes32,uint256)"
pitFileStabilityFeeMethod = GetSolidityMethodSignature(PitABI, "file")
tendMethod = GetSolidityMethodSignature(FlipperABI, "tend")
vatGrabMethod = GetSolidityMethodSignature(VatABI, "grab")
vatInitMethod = GetSolidityMethodSignature(VatABI, "init")
vatTollMethod = GetSolidityMethodSignature(VatABI, "toll")
vatTuneMethod = GetSolidityMethodSignature(VatABI, "tune")
@ -77,6 +78,7 @@ var (
PitFileIlkSignature = GetLogNoteSignature(pitFileIlkMethod)
PitFileStabilityFeeSignature = GetLogNoteSignature(pitFileStabilityFeeMethod)
TendFunctionSignature = GetLogNoteSignature(tendMethod)
VatGrabSignature = GetLogNoteSignature(vatGrabMethod)
VatInitSignature = GetLogNoteSignature(vatInitMethod)
VatTollSignature = GetLogNoteSignature(vatTollMethod)
VatTuneSignature = GetLogNoteSignature(vatTuneMethod)

7
pkg/transformers/shared/event_signature_generator_test.go
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@ -125,6 +125,13 @@ var _ = Describe("Event signature generator", func() {
Expect(expected).To(Equal(actual))
})
It("gets the vat grab method signature", func() {
expected := "grab(bytes32,bytes32,bytes32,bytes32,int256,int256)"
actual := shared.GetSolidityMethodSignature(shared.VatABI, "grab")
Expect(expected).To(Equal(actual))
})
})
Describe("it handles events", func() {

22
pkg/transformers/test_data/mocks/vat_grab/converter.go Normal file
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@ -0,0 +1,22 @@
package vat_grab
import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
type MockVatGrabConverter struct {
err error
PassedLogs []types.Log
}
func (converter *MockVatGrabConverter) ToModels(ethLogs []types.Log) ([]vat_grab.VatGrabModel, error) {
converter.PassedLogs = ethLogs
return []vat_grab.VatGrabModel{test_data.VatGrabModel}, converter.err
}
func (converter *MockVatGrabConverter) SetConverterError(e error) {
converter.err = e
}

56
pkg/transformers/test_data/mocks/vat_grab/repository.go Normal file
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@ -0,0 +1,56 @@
package vat_grab
import (
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
type MockVatGrabRepository struct {
createErr error
markHeaderCheckedErr error
markHeaderCheckedPassedHeaderID int64
missingHeaders []core.Header
missingHeadersErr error
PassedStartingBlockNumber int64
PassedEndingBlockNumber int64
PassedHeaderID int64
PassedModels []vat_grab.VatGrabModel
}
func (repository *MockVatGrabRepository) Create(headerID int64, models []vat_grab.VatGrabModel) error {
repository.PassedHeaderID = headerID
repository.PassedModels = models
return repository.createErr
}
func (repository *MockVatGrabRepository) MarkHeaderChecked(headerID int64) error {
repository.markHeaderCheckedPassedHeaderID = headerID
return repository.markHeaderCheckedErr
}
func (repository *MockVatGrabRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
repository.PassedStartingBlockNumber = startingBlockNumber
repository.PassedEndingBlockNumber = endingBlockNumber
return repository.missingHeaders, repository.missingHeadersErr
}
func (repository *MockVatGrabRepository) SetMissingHeadersErr(e error) {
repository.missingHeadersErr = e
}
func (repository *MockVatGrabRepository) SetMissingHeaders(headers []core.Header) {
repository.missingHeaders = headers
}
func (repository *MockVatGrabRepository) AssertMarkHeaderCheckedCalledWith(i int64) {
Expect(repository.markHeaderCheckedPassedHeaderID).To(Equal(i))
}
func (repository *MockVatGrabRepository) SetMarkHeaderCheckedErr(e error) {
repository.markHeaderCheckedErr = e
}
func (repository *MockVatGrabRepository) SetCreateError(e error) {
repository.createErr = e
}

39
pkg/transformers/test_data/vat_grab.go Normal file
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@ -0,0 +1,39 @@
package test_data
import (
"encoding/json"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
var EthVatGrabLog = types.Log{
Address: common.HexToAddress(shared.VatContractAddress),
Topics: []common.Hash{
common.HexToHash("0x3690ae4c00000000000000000000000000000000000000000000000000000000"),
common.HexToHash("0x66616b6520696c6b000000000000000000000000000000000000000000000000"),
common.HexToHash("0x07fa9ef6609ca7921112231f8f195138ebba2977000000000000000000000000"),
common.HexToHash("0x7340e006f4135ba6970d43bf43d88dcad4e7a8ca000000000000000000000000"),
},
Data: hexutil.MustDecode("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"),
BlockNumber: 23,
TxHash: common.HexToHash("0x7cb84c750ce4985f7811abf641d52ffcb35306d943081475226484cf1470c6fa"),
TxIndex: 4,
BlockHash: common.HexToHash("0xf5a367d560e14c4658ef85e4877e08b5560a4773b69b39f6b8025910b666fade"),
Index: 0,
Removed: false,
}
var rawVatGrabLog, _ = json.Marshal(EthVatGrabLog)
var VatGrabModel = vat_grab.VatGrabModel{
Ilk: "fake ilk",
Urn: "0x07Fa9eF6609cA7921112231F8f195138ebbA2977",
V: "0x7340e006f4135BA6970D43bf43d88DCAD4e7a8CA",
W: "0x7526EB4f95e2a1394797Cb38a921Fb1EbA09291B",
Dink: "111111111",
Dart: "222222222",
TransactionIndex: EthVatGrabLog.TxIndex,
Raw: rawVatGrabLog,
}

3
pkg/transformers/transformers.go
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@ -37,6 +37,7 @@ import (
"github.com/vulcanize/vulcanizedb/pkg/transformers/price_feeds"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/tend"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_init"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_toll"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_tune"
@ -64,6 +65,7 @@ var (
PitFileStabilityFeeTransformerInitializer = stability_fee.PitFileStabilityFeeTransformerInitializer{Config: pitFileConfig}.NewPitFileStabilityFeeTransformer
PriceFeedTransformerInitializer = price_feeds.PriceFeedTransformerInitializer{Config: price_feeds.PriceFeedConfig}.NewPriceFeedTransformer
TendTransformerInitializer = tend.TendTransformerInitializer{Config: tend.TendConfig}.NewTendTransformer
VatGrabTransformerInitializer = vat_grab.VatGrabTransformerInitializer{Config: vat_grab.VatGrabConfig}.NewVatGrabTransformer
VatInitTransformerInitializer = vat_init.VatInitTransformerInitializer{Config: vat_init.VatInitConfig}.NewVatInitTransformer
VatTollTransformerInitializer = vat_toll.VatTollTransformerInitializer{Config: vat_toll.VatTollConfig}.NewVatTollTransformer
VatTuneTransformerInitializer = vat_tune.VatTuneTransformerInitializer{Config: vat_tune.VatTuneConfig}.NewVatTuneTransformer
@ -89,6 +91,7 @@ func TransformerInitializers() []shared.TransformerInitializer {
PitFileStabilityFeeTransformerInitializer,
PriceFeedTransformerInitializer,
TendTransformerInitializer,
VatGrabTransformerInitializer,
VatInitTransformerInitializer,
VatTollTransformerInitializer,
VatTuneTransformerInitializer,

11
pkg/transformers/vat_grab/config.go Normal file
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@ -0,0 +1,11 @@
package vat_grab
import "github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
var VatGrabConfig = shared.TransformerConfig{
ContractAddresses: []string{shared.VatContractAddress},
ContractAbi: shared.VatABI,
Topics: []string{shared.VatGrabSignature},
StartingBlockNumber: 0,
EndingBlockNumber: 10000000,
}

63
pkg/transformers/vat_grab/converter.go Normal file
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@ -0,0 +1,63 @@
package vat_grab
import (
"bytes"
"encoding/json"
"errors"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"math/big"
)
type Converter interface {
ToModels(ethLogs []types.Log) ([]VatGrabModel, error)
}
type VatGrabConverter struct{}
func (VatGrabConverter) ToModels(ethLogs []types.Log) ([]VatGrabModel, error) {
var models []VatGrabModel
for _, ethLog := range ethLogs {
err := verifyLog(ethLog)
if err != nil {
return nil, err
}
ilk := string(bytes.Trim(ethLog.Topics[1].Bytes(), "\x00"))
urn := common.BytesToAddress(ethLog.Topics[2].Bytes()[:common.AddressLength])
v := common.BytesToAddress(ethLog.Topics[3].Bytes()[:common.AddressLength])
wBytes := shared.GetDataBytesAtIndex(-3, ethLog.Data)
w := common.BytesToAddress(wBytes[:common.AddressLength])
dinkBytes := shared.GetDataBytesAtIndex(-2, ethLog.Data)
dink := big.NewInt(0).SetBytes(dinkBytes).String()
dartBytes := shared.GetDataBytesAtIndex(-1, ethLog.Data)
dart := big.NewInt(0).SetBytes(dartBytes).String()
raw, err := json.Marshal(ethLog)
if err != nil {
return nil, err
}
model := VatGrabModel{
Ilk: ilk,
Urn: urn.String(),
V: v.String(),
W: w.String(),
Dink: dink,
Dart: dart,
TransactionIndex: ethLog.TxIndex,
Raw: raw,
}
models = append(models, model)
}
return models, nil
}
func verifyLog(log types.Log) error {
if len(log.Topics) < 4 {
return errors.New("log missing topics")
}
if len(log.Data) < shared.DataItemLength {
return errors.New("log missing data")
}
return nil
}

47
pkg/transformers/vat_grab/converter_test.go Normal file
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@ -0,0 +1,47 @@
package vat_grab_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
var _ = Describe("Vat grab converter", func() {
var converter vat_grab.Converter
BeforeEach(func() {
converter = vat_grab.VatGrabConverter{}
})
It("returns err if log is missing topics", func() {
badLog := types.Log{
Data: []byte{1, 1, 1, 1, 1},
}
_, err := converter.ToModels([]types.Log{badLog})
Expect(err).To(HaveOccurred())
})
It("returns err if log is missing data", func() {
badLog := types.Log{
Topics: []common.Hash{{}, {}, {}, {}},
}
_, err := converter.ToModels([]types.Log{badLog})
Expect(err).To(HaveOccurred())
})
It("converts a log to an model", func() {
models, err := converter.ToModels([]types.Log{test_data.EthVatGrabLog})
Expect(err).NotTo(HaveOccurred())
Expect(len(models)).To(Equal(1))
Expect(models[0]).To(Equal(test_data.VatGrabModel))
})
})

12
pkg/transformers/vat_grab/model.go Normal file
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@ -0,0 +1,12 @@
package vat_grab
type VatGrabModel struct {
Ilk string
Urn string
V string
W string
Dink string
Dart string
TransactionIndex uint `db:"tx_idx"`
Raw []byte `db:"raw_log"`
}

74
pkg/transformers/vat_grab/repository.go Normal file
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@ -0,0 +1,74 @@
package vat_grab
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, models []VatGrabModel) error
MarkHeaderChecked(headerID int64) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type VatGrabRepository struct {
db *postgres.DB
}
func NewVatGrabRepository(db *postgres.DB) VatGrabRepository {
return VatGrabRepository{
db: db,
}
}
func (repository VatGrabRepository) Create(headerID int64, models []VatGrabModel) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, model := range models {
_, err = tx.Exec(
`INSERT into maker.vat_grab (header_id, ilk, urn, v, w, dink, dart, tx_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6::NUMERIC, $7::NUMERIC, $8, $9)`,
headerID, model.Ilk, model.Urn, model.V, model.W, model.Dink, model.Dart, model.TransactionIndex, model.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, vat_grab_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_grab_checked = $2`, headerID, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatGrabRepository) MarkHeaderChecked(headerID int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_grab_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_grab_checked = $2`, headerID, true)
return err
}
func (repository VatGrabRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
var result []core.Header
err := repository.db.Select(
&result,
`SELECT headers.id, headers.block_number FROM headers
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR vat_grab_checked IS FALSE)
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $3`,
startingBlockNumber,
endingBlockNumber,
repository.db.Node.ID,
)
return result, err
}

205
pkg/transformers/vat_grab/repository_test.go Normal file
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@ -0,0 +1,205 @@
package vat_grab_test
import (
"database/sql"
. "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/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("Vat grab repository", func() {
Describe("Create", func() {
var (
db *postgres.DB
vatGrabRepository vat_grab.Repository
err error
headerID int64
)
BeforeEach(func() {
db = test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
headerRepository := repositories.NewHeaderRepository(db)
headerID, err = headerRepository.CreateOrUpdateHeader(core.Header{})
Expect(err).NotTo(HaveOccurred())
vatGrabRepository = vat_grab.NewVatGrabRepository(db)
})
It("adds a vat grab event", func() {
err = vatGrabRepository.Create(headerID, []vat_grab.VatGrabModel{test_data.VatGrabModel})
Expect(err).NotTo(HaveOccurred())
var dbVatGrab vat_grab.VatGrabModel
err = db.Get(&dbVatGrab, `SELECT ilk, urn, v, w, dink, dart, tx_idx, raw_log FROM maker.vat_grab WHERE header_id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
Expect(dbVatGrab.Ilk).To(Equal(test_data.VatGrabModel.Ilk))
Expect(dbVatGrab.Urn).To(Equal(test_data.VatGrabModel.Urn))
Expect(dbVatGrab.V).To(Equal(test_data.VatGrabModel.V))
Expect(dbVatGrab.W).To(Equal(test_data.VatGrabModel.W))
Expect(dbVatGrab.Dink).To(Equal(test_data.VatGrabModel.Dink))
Expect(dbVatGrab.Dart).To(Equal(test_data.VatGrabModel.Dart))
Expect(dbVatGrab.TransactionIndex).To(Equal(test_data.VatGrabModel.TransactionIndex))
Expect(dbVatGrab.Raw).To(MatchJSON(test_data.VatGrabModel.Raw))
})
It("marks header as checked for logs", func() {
err = vatGrabRepository.Create(headerID, []vat_grab.VatGrabModel{test_data.VatGrabModel})
Expect(err).NotTo(HaveOccurred())
var headerChecked bool
err = db.Get(&headerChecked, `SELECT vat_grab_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
Expect(headerChecked).To(BeTrue())
})
It("does not duplicate pit file vat_grab events", func() {
err = vatGrabRepository.Create(headerID, []vat_grab.VatGrabModel{test_data.VatGrabModel})
Expect(err).NotTo(HaveOccurred())
err = vatGrabRepository.Create(headerID, []vat_grab.VatGrabModel{test_data.VatGrabModel})
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
})
It("removes pit file vat_grab if corresponding header is deleted", func() {
err = vatGrabRepository.Create(headerID, []vat_grab.VatGrabModel{test_data.VatGrabModel})
Expect(err).NotTo(HaveOccurred())
_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
var dbVatGrab vat_grab.VatGrabModel
err = db.Get(&dbVatGrab, `SELECT ilk, urn, v, w, dink, dart, tx_idx, raw_log FROM maker.vat_grab WHERE header_id = $1`, headerID)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(sql.ErrNoRows))
})
})
Describe("MarkHeaderChecked", func() {
var (
db *postgres.DB
vatGrabRepository vat_grab.Repository
err error
headerID int64
)
BeforeEach(func() {
db = test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
headerRepository := repositories.NewHeaderRepository(db)
headerID, err = headerRepository.CreateOrUpdateHeader(core.Header{})
Expect(err).NotTo(HaveOccurred())
vatGrabRepository = vat_grab.NewVatGrabRepository(db)
})
It("creates a row for a new headerID", func() {
err = vatGrabRepository.MarkHeaderChecked(headerID)
Expect(err).NotTo(HaveOccurred())
var headerChecked bool
err = db.Get(&headerChecked, `SELECT vat_grab_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
Expect(headerChecked).To(BeTrue())
})
It("updates row when headerID already exists", func() {
_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerID)
err = vatGrabRepository.MarkHeaderChecked(headerID)
Expect(err).NotTo(HaveOccurred())
var headerChecked bool
err = db.Get(&headerChecked, `SELECT vat_grab_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
Expect(headerChecked).To(BeTrue())
})
})
Describe("MissingHeaders", func() {
It("returns headers that haven't been checked", func() {
db := test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
headerRepository := repositories.NewHeaderRepository(db)
startingBlockNumber := int64(1)
vatGrabBlockNumber := int64(2)
endingBlockNumber := int64(3)
blockNumbers := []int64{startingBlockNumber, vatGrabBlockNumber, endingBlockNumber, endingBlockNumber + 1}
var headerIDs []int64
for _, n := range blockNumbers {
headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
headerIDs = append(headerIDs, headerID)
Expect(err).NotTo(HaveOccurred())
}
vatGrabRepository := vat_grab.NewVatGrabRepository(db)
err := vatGrabRepository.MarkHeaderChecked(headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := vatGrabRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
Expect(err).NotTo(HaveOccurred())
Expect(len(headers)).To(Equal(2))
Expect(headers[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
Expect(headers[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
})
It("only treats headers as checked if vat grab logs have been checked", func() {
db := test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
headerRepository := repositories.NewHeaderRepository(db)
startingBlockNumber := int64(1)
vatGrabdBlockNumber := int64(2)
endingBlockNumber := int64(3)
blockNumbers := []int64{startingBlockNumber, vatGrabdBlockNumber, endingBlockNumber, endingBlockNumber + 1}
var headerIDs []int64
for _, n := range blockNumbers {
headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
headerIDs = append(headerIDs, headerID)
Expect(err).NotTo(HaveOccurred())
}
vatGrabRepository := vat_grab.NewVatGrabRepository(db)
_, err := db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := vatGrabRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
Expect(err).NotTo(HaveOccurred())
Expect(len(headers)).To(Equal(3))
Expect(headers[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(vatGrabdBlockNumber)))
Expect(headers[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(vatGrabdBlockNumber)))
Expect(headers[2].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(vatGrabdBlockNumber)))
})
It("only returns headers associated with the current node", func() {
db := test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
blockNumbers := []int64{1, 2, 3}
headerRepository := repositories.NewHeaderRepository(db)
dbTwo := test_config.NewTestDB(core.Node{ID: "second"})
headerRepositoryTwo := repositories.NewHeaderRepository(dbTwo)
var headerIDs []int64
for _, n := range blockNumbers {
headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
Expect(err).NotTo(HaveOccurred())
headerIDs = append(headerIDs, headerID)
_, err = headerRepositoryTwo.CreateOrUpdateHeader(core.Header{BlockNumber: n})
Expect(err).NotTo(HaveOccurred())
}
vatGrabRepository := vat_grab.NewVatGrabRepository(db)
vatGrabRepositoryTwo := vat_grab.NewVatGrabRepository(dbTwo)
err := vatGrabRepository.MarkHeaderChecked(headerIDs[0])
Expect(err).NotTo(HaveOccurred())
nodeOneMissingHeaders, err := vatGrabRepository.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeOneMissingHeaders)).To(Equal(len(blockNumbers) - 1))
nodeTwoMissingHeaders, err := vatGrabRepositoryTwo.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeTwoMissingHeaders)).To(Equal(len(blockNumbers)))
})
})
})

63
pkg/transformers/vat_grab/tranformer.go Normal file
View File

@ -0,0 +1,63 @@
package vat_grab
import (
"github.com/ethereum/go-ethereum/common"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"log"
)
type VatGrabTransformerInitializer struct {
Config shared.TransformerConfig
}
func (initializer VatGrabTransformerInitializer) NewVatGrabTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
converter := VatGrabConverter{}
fetcher := shared.NewFetcher(blockChain)
repository := NewVatGrabRepository(db)
return VatGrabTransformer{
Config: initializer.Config,
Converter: converter,
Fetcher: fetcher,
Repository: repository,
}
}
type VatGrabTransformer struct {
Config shared.TransformerConfig
Converter Converter
Fetcher shared.LogFetcher
Repository Repository
}
func (transformer VatGrabTransformer) Execute() error {
missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.Config.EndingBlockNumber)
if err != nil {
return err
}
log.Printf("Fetching vat init event logs for %d headers \n", len(missingHeaders))
for _, header := range missingHeaders {
topics := [][]common.Hash{{common.HexToHash(shared.VatGrabSignature)}}
matchingLogs, err := transformer.Fetcher.FetchLogs(VatGrabConfig.ContractAddresses, topics, header.BlockNumber)
if err != nil {
return err
}
if len(matchingLogs) < 1 {
err = transformer.Repository.MarkHeaderChecked(header.Id)
if err != nil {
return err
}
continue
}
models, err := transformer.Converter.ToModels(matchingLogs)
if err != nil {
return err
}
err = transformer.Repository.Create(header.Id, models)
if err != nil {
return err
}
}
return nil
}

196
pkg/transformers/vat_grab/transformer_test.go Normal file
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@ -0,0 +1,196 @@
package vat_grab_test
import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
vat_grab_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/vat_grab"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
)
var _ = Describe("Vat grab transformer", func() {
It("gets missing headers for block numbers specified in config", func() {
repository := &vat_grab_mocks.MockVatGrabRepository{}
transformer := vat_grab.VatGrabTransformer{
Config: vat_grab.VatGrabConfig,
Fetcher: &mocks.MockLogFetcher{},
Converter: &vat_grab_mocks.MockVatGrabConverter{},
Repository: repository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedStartingBlockNumber).To(Equal(vat_grab.VatGrabConfig.StartingBlockNumber))
Expect(repository.PassedEndingBlockNumber).To(Equal(vat_grab.VatGrabConfig.EndingBlockNumber))
})
It("returns error if repository returns error for missing headers", func() {
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeadersErr(fakes.FakeError)
transformer := vat_grab.VatGrabTransformer{
Fetcher: &mocks.MockLogFetcher{},
Converter: &vat_grab_mocks.MockVatGrabConverter{},
Repository: repository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("fetches logs for missing headers", func() {
fetcher := &mocks.MockLogFetcher{}
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}, {BlockNumber: 2}})
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: &vat_grab_mocks.MockVatGrabConverter{},
Repository: repository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(fetcher.FetchedBlocks).To(Equal([]int64{1, 2}))
Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{vat_grab.VatGrabConfig.ContractAddresses, vat_grab.VatGrabConfig.ContractAddresses}))
Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.VatGrabSignature)}}))
})
It("returns error if fetcher returns error", func() {
fetcher := &mocks.MockLogFetcher{}
fetcher.SetFetcherError(fakes.FakeError)
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: &vat_grab_mocks.MockVatGrabConverter{},
Repository: repository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("marks header checked if no logs returned", func() {
mockConverter := &vat_grab_mocks.MockVatGrabConverter{}
mockRepository := &vat_grab_mocks.MockVatGrabRepository{}
headerID := int64(123)
mockRepository.SetMissingHeaders([]core.Header{{Id: headerID}})
mockFetcher := &mocks.MockLogFetcher{}
transformer := vat_grab.VatGrabTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
mockRepository.AssertMarkHeaderCheckedCalledWith(headerID)
})
It("returns error if marking header checked returns err", func() {
mockConverter := &vat_grab_mocks.MockVatGrabConverter{}
mockRepository := &vat_grab_mocks.MockVatGrabRepository{}
mockRepository.SetMissingHeaders([]core.Header{{Id: int64(123)}})
mockRepository.SetMarkHeaderCheckedErr(fakes.FakeError)
mockFetcher := &mocks.MockLogFetcher{}
transformer := vat_grab.VatGrabTransformer{
Converter: mockConverter,
Fetcher: mockFetcher,
Repository: mockRepository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("converts matching logs", func() {
converter := &vat_grab_mocks.MockVatGrabConverter{}
fetcher := &mocks.MockLogFetcher{}
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: converter,
Repository: repository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(converter.PassedLogs).To(Equal([]types.Log{test_data.EthVatGrabLog}))
})
It("returns error if converter returns error", func() {
converter := &vat_grab_mocks.MockVatGrabConverter{}
converter.SetConverterError(fakes.FakeError)
fetcher := &mocks.MockLogFetcher{}
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1}})
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: converter,
Repository: repository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
It("persists vat grab model", func() {
converter := &vat_grab_mocks.MockVatGrabConverter{}
fetcher := &mocks.MockLogFetcher{}
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository := &vat_grab_mocks.MockVatGrabRepository{}
fakeHeader := core.Header{BlockNumber: 1, Id: 2}
repository.SetMissingHeaders([]core.Header{fakeHeader})
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: converter,
Repository: repository,
}
err := transformer.Execute()
Expect(err).NotTo(HaveOccurred())
Expect(repository.PassedHeaderID).To(Equal(fakeHeader.Id))
Expect(repository.PassedModels).To(Equal([]vat_grab.VatGrabModel{test_data.VatGrabModel}))
})
It("returns error if repository returns error for create", func() {
converter := &vat_grab_mocks.MockVatGrabConverter{}
fetcher := &mocks.MockLogFetcher{}
fetcher.SetFetchedLogs([]types.Log{test_data.EthVatGrabLog})
repository := &vat_grab_mocks.MockVatGrabRepository{}
repository.SetMissingHeaders([]core.Header{{BlockNumber: 1, Id: 2}})
repository.SetCreateError(fakes.FakeError)
transformer := vat_grab.VatGrabTransformer{
Fetcher: fetcher,
Converter: converter,
Repository: repository,
}
err := transformer.Execute()
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(fakes.FakeError))
})
})

19
pkg/transformers/vat_grab/vat_grab_suite_test.go Normal file
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@ -0,0 +1,19 @@
package vat_grab_test
import (
"io/ioutil"
"log"
"testing"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func TestVatGrab(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "VatGrab Suite")
}
var _ = BeforeSuite(func() {
log.SetOutput(ioutil.Discard)
})

1
test_config/test_config.go
View File

@ -89,6 +89,7 @@ func CleanTestDB(db *postgres.DB) {
db.MustExec("DELETE FROM maker.pit_file_stability_fee")
db.MustExec("DELETE FROM maker.price_feeds")
db.MustExec("DELETE FROM maker.tend")
db.MustExec("DELETE FROM maker.vat_grab")
db.MustExec("DELETE FROM maker.vat_init")
db.MustExec("DELETE FROM maker.vat_toll")
db.MustExec("DELETE FROM maker.vat_tune")