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Implement vat_move transformer using factory

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This commit is contained in:
Edvard 2018-10-09 16:04:07 +02:00
parent 15e33db33d
commit af1dfbc489
5 changed files with 29 additions and 109 deletions
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5
pkg/transformers/test_data/mocks/vat_move/converter.go
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@ -17,7 +17,6 @@ package vat_move
import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
)
type MockVatMoveConverter struct {
@ -25,9 +24,9 @@ type MockVatMoveConverter struct {
PassedLogs []types.Log
}
func (converter *MockVatMoveConverter) ToModels(ethLogs []types.Log) ([]vat_move.VatMoveModel, error) {
func (converter *MockVatMoveConverter) ToModels(ethLogs []types.Log) ([]interface{}, error) {
converter.PassedLogs = ethLogs
return []vat_move.VatMoveModel{test_data.VatMoveModel}, converter.converterError
return []interface{}{test_data.VatMoveModel}, converter.converterError
}
func (converter *MockVatMoveConverter) SetConverterError(e error) {

10
pkg/transformers/test_data/mocks/vat_move/repository.go
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@ -16,7 +16,7 @@ package vat_move
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type MockVatMoveRepository struct {
@ -26,12 +26,12 @@ type MockVatMoveRepository struct {
PassedStartingBlockNumber int64
PassedEndingBlockNumber int64
PassedHeaderID int64
PassedModels []vat_move.VatMoveModel
PassedModels []interface{}
CheckedHeaderIDs []int64
CheckedHeaderError error
}
func (repository *MockVatMoveRepository) Create(headerID int64, models []vat_move.VatMoveModel) error {
func (repository *MockVatMoveRepository) Create(headerID int64, models []interface{}) error {
repository.PassedHeaderID = headerID
repository.PassedModels = models
return repository.createError
@ -63,3 +63,7 @@ func (repository *MockVatMoveRepository) MarkHeaderChecked(headerId int64) error
func (repository *MockVatMoveRepository) SetCheckedHeaderError(e error) {
repository.CheckedHeaderError = e
}
func (repository *MockVatMoveRepository) SetDB(db *postgres.DB) {
// TODO Implement passed DB
}

8
pkg/transformers/transformers.go
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@ -27,6 +27,7 @@ import (
ilk2 "github.com/vulcanize/vulcanizedb/pkg/transformers/drip_file/ilk"
"github.com/vulcanize/vulcanizedb/pkg/transformers/drip_file/repo"
"github.com/vulcanize/vulcanizedb/pkg/transformers/drip_file/vow"
"github.com/vulcanize/vulcanizedb/pkg/transformers/factories"
"github.com/vulcanize/vulcanizedb/pkg/transformers/flip_kick"
"github.com/vulcanize/vulcanizedb/pkg/transformers/flop_kick"
"github.com/vulcanize/vulcanizedb/pkg/transformers/frob"
@ -72,7 +73,12 @@ var (
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
VatMoveTransformerInitializer = vat_move.VatMoveTransformerInitializer{Config: vat_move.VatMoveConfig}.NewVatMoveTransformer
VatMoveTransformerInitializer = factories.Transformer{
Config: vat_move.VatMoveConfig,
Converter: &vat_move.VatMoveConverter{},
Repository: &vat_move.VatMoveRepository{},
Fetcher: &shared.Fetcher{},
}.NewTransformer
VatHealTransformerInitializer = vat_heal.VatHealTransformerInitializer{Config: vat_heal.VatHealConfig}.NewVatHealTransformer
VatFoldTransformerInitializer = vat_fold.VatFoldTransformerInitializer{Config: vat_fold.VatFoldConfig}.NewVatFoldTransformer
VatSlipTransformerInitializer = vat_slip.VatSlipTransformerInitializer{Config: vat_slip.VatSlipConfig}.NewVatSlipTransformer

32
pkg/transformers/vat_move/repository.go
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@ -19,29 +19,19 @@ import (
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, models []VatMoveModel) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
MarkHeaderChecked(headerID int64) error
}
type VatMoveRepository struct {
db *postgres.DB
DB *postgres.DB
}
func NewVatMoveRepository(db *postgres.DB) VatMoveRepository {
return VatMoveRepository{
db: db,
}
}
func (repository VatMoveRepository) Create(headerID int64, models []VatMoveModel) error {
tx, err := repository.db.Begin()
func (repository VatMoveRepository) Create(headerID int64, models []interface{}) error {
tx, err := repository.DB.Begin()
if err != nil {
return err
}
for _, vatMove := range models {
var vatMove VatMoveModel
for _, model := range models {
vatMove = model.(VatMoveModel)
_, err = tx.Exec(
`INSERT INTO maker.vat_move (header_id, src, dst, rad, tx_idx, raw_log)
VALUES ($1, $2, $3, $4::NUMERIC, $5, $6)`,
@ -71,7 +61,7 @@ func (repository VatMoveRepository) Create(headerID int64, models []VatMoveModel
func (repository VatMoveRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
var result []core.Header
err := repository.db.Select(
err := repository.DB.Select(
&result,
`SELECT headers.id, headers.block_number FROM headers
LEFT JOIN checked_headers on headers.id = header_id
@ -81,16 +71,20 @@ func (repository VatMoveRepository) MissingHeaders(startingBlockNumber, endingBl
AND headers.eth_node_fingerprint = $3`,
startingBlockNumber,
endingBlockNumber,
repository.db.Node.ID,
repository.DB.Node.ID,
)
return result, err
}
func (repository VatMoveRepository) MarkHeaderChecked(headerID int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_move_checked)
_, err := repository.DB.Exec(`INSERT INTO public.checked_headers (header_id, vat_move_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_move_checked = $2`, headerID, true)
return err
}
func (repository *VatMoveRepository) SetDB(db *postgres.DB) {
repository.DB = db
}

83
pkg/transformers/vat_move/transformer.go
View File

@ -1,83 +0,0 @@
// 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 vat_move
import (
"log"
"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"
)
type VatMoveTransformerInitializer struct {
Config shared.TransformerConfig
}
func (initializer VatMoveTransformerInitializer) NewVatMoveTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
converter := VatMoveConverter{}
fetcher := shared.NewFetcher(blockChain)
repository := NewVatMoveRepository(db)
return VatMoveTransformer{
Config: initializer.Config,
Converter: converter,
Fetcher: fetcher,
Repository: repository,
}
}
type VatMoveTransformer struct {
Config shared.TransformerConfig
Converter Converter
Fetcher shared.LogFetcher
Repository Repository
}
func (transformer VatMoveTransformer) Execute() error {
missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.Config.EndingBlockNumber)
if err != nil {
return err
}
log.Printf("Fetching vat move event logs for %d headers \n", len(missingHeaders))
for _, header := range missingHeaders {
topics := [][]common.Hash{{common.HexToHash(shared.VatMoveSignature)}}
matchingLogs, err := transformer.Fetcher.FetchLogs(VatMoveConfig.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
}