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Vat.fold: add repository & tests

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This commit is contained in:
David Terry 2018-10-03 18:22:05 +02:00
parent 0c58e0ac5b
commit ef0e3f9e11
4 changed files with 216 additions and 9 deletions
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13
pkg/transformers/test_data/vat_fold.go
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@ -15,7 +15,6 @@
package test_data
import (
"bytes"
"encoding/json"
"github.com/ethereum/go-ethereum/common"
@ -35,19 +34,19 @@ var EthVatFoldLog = types.Log{
common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000002"),
},
Data: hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000064e6a6a64d45544800000000000000000000000000000000000000000000000000000000000000000000000000000000003728e9777b2a0a611ee0f89e00e01044ce4736d10000000000000000000000000000000000000000000000000000000000000000"),
BlockNumber: 72,
TxHash: common.HexToHash("0xe8f39fbb7fea3621f543868f19b1114e305aff6a063a30d32835ff1012526f91"),
BlockNumber: 8940380,
TxHash: common.HexToHash("0xfb37b7a88aa8ad14538d1e244a55939fa07c1828e5ca8168bf4edd56f5fc4d57"),
TxIndex: 8,
BlockHash: common.HexToHash("0xe3dd2e05bd8b92833e20ed83e2171bbc06a9ec823232eca1730a807bd8f5edc0"),
BlockHash: common.HexToHash("0xf43ab2fd3cf0a7e08fcc16ec17bbc7f67417a37a4cd978d1d7ca32130c7f64be"),
Index: 5,
Removed: false,
}
var rawVatFoldLog, _ = json.Marshal(EthVatFoldLog)
var VatFoldModel = vat_fold.VatFoldModel{
Ilk: string(bytes.Trim(EthVatFoldLog.Topics[1].Bytes(), "\x00")),
Urn: string(bytes.Trim(EthVatFoldLog.Topics[2].Bytes(), "\x00")),
Rate: string(bytes.Trim(EthVatFoldLog.Topics[3].Bytes(), "\x00")),
Ilk: "REP",
Urn: "0x3728e9777B2a0a611ee0F89e00E01044ce4736d1",
Rate: "2",
TransactionIndex: EthVatFoldLog.TxIndex,
Raw: rawVatFoldLog,
}

7
pkg/transformers/vat_fold/converter.go
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@ -18,8 +18,11 @@ import (
"bytes"
"encoding/json"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
)
type Converter interface {
@ -35,8 +38,8 @@ func (VatFoldConverter) ToModel(ethLog types.Log) (VatFoldModel, error) {
}
ilk := string(bytes.Trim(ethLog.Topics[1].Bytes(), "\x00"))
urn := string(bytes.Trim(ethLog.Topics[2].Bytes(), "\x00"))
rate := string(bytes.Trim(ethLog.Topics[3].Bytes(), "\x00"))
urn := common.HexToAddress(ethLog.Topics[2].String()).String()
rate := big.NewInt(0).SetBytes(ethLog.Topics[3].Bytes()).String()
raw, err := json.Marshal(ethLog)
return VatFoldModel{

60
pkg/transformers/vat_fold/repository.go Normal file
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@ -0,0 +1,60 @@
// 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_fold
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, model VatFoldModel) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type VatFoldRepository struct {
db *postgres.DB
}
func NewVatFoldRepository(db *postgres.DB) VatFoldRepository {
return VatFoldRepository{
db: db,
}
}
func (repository VatFoldRepository) Create(headerID int64, model VatFoldModel) error {
_, err := repository.db.Exec(`INSERT INTO maker.vat_fold (header_id, ilk, urn, rate, raw_log, tx_idx)
VALUES($1, $2, $3, $4::NUMERIC, $5, $6)`,
headerID, model.Ilk, model.Urn, model.Rate, model.Raw, model.TransactionIndex)
return err
}
func (repository VatFoldRepository) 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 maker.vat_fold on headers.id = header_id
WHERE header_id ISNULL
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
}

145
pkg/transformers/vat_fold/repository_test.go Normal file
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@ -0,0 +1,145 @@
// 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_fold_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/repositories"
"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_fold"
"github.com/vulcanize/vulcanizedb/test_config"
)
var _ = Describe("", func() {
Describe("Create", func() {
It("adds a vat event", 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())
vatFoldRepository := vat_fold.NewVatFoldRepository(db)
err = vatFoldRepository.Create(headerID, test_data.VatFoldModel)
Expect(err).NotTo(HaveOccurred())
var dbVatFold vat_fold.VatFoldModel
err = db.Get(&dbVatFold, `SELECT ilk, urn, rate, tx_idx, raw_log FROM maker.vat_fold WHERE header_id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
Expect(dbVatFold.Ilk).To(Equal(test_data.VatFoldModel.Ilk))
Expect(dbVatFold.Urn).To(Equal(test_data.VatFoldModel.Urn))
Expect(dbVatFold.Rate).To(Equal(test_data.VatFoldModel.Rate))
Expect(dbVatFold.TransactionIndex).To(Equal(test_data.VatFoldModel.TransactionIndex))
Expect(dbVatFold.Raw).To(MatchJSON(test_data.VatFoldModel.Raw))
})
It("does not duplicate vat events", 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())
vatfoldRepository := vat_fold.NewVatFoldRepository(db)
err = vatfoldRepository.Create(headerID, test_data.VatFoldModel)
Expect(err).NotTo(HaveOccurred())
err = vatfoldRepository.Create(headerID, test_data.VatFoldModel)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
})
It("removes vat if corresponding header is deleted", 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())
vatfoldRepository := vat_fold.NewVatFoldRepository(db)
err = vatfoldRepository.Create(headerID, test_data.VatFoldModel)
Expect(err).NotTo(HaveOccurred())
_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
Expect(err).NotTo(HaveOccurred())
var dbVatFold vat_fold.VatFoldModel
err = db.Get(&dbVatFold, `SELECT ilk, tx_idx, raw_log FROM maker.vat_fold WHERE header_id = $1`, headerID)
Expect(err).To(HaveOccurred())
Expect(err).To(MatchError(sql.ErrNoRows))
})
})
Describe("MissingHeaders", func() {
It("returns headers with no associated vat event", func() {
db := test_config.NewTestDB(core.Node{})
test_config.CleanTestDB(db)
headerRepository := repositories.NewHeaderRepository(db)
startingBlockNumber := int64(1)
vatfoldBlockNumber := int64(2)
endingBlockNumber := int64(3)
blockNumbers := []int64{startingBlockNumber, vatfoldBlockNumber, 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())
}
vatfoldRepository := vat_fold.NewVatFoldRepository(db)
err := vatfoldRepository.Create(headerIDs[1], test_data.VatFoldModel)
Expect(err).NotTo(HaveOccurred())
headers, err := vatfoldRepository.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 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())
}
vatFoldRepository := vat_fold.NewVatFoldRepository(db)
vatFoldRepositoryTwo := vat_fold.NewVatFoldRepository(dbTwo)
err := vatFoldRepository.Create(headerIDs[0], test_data.VatFoldModel)
Expect(err).NotTo(HaveOccurred())
nodeOneMissingHeaders, err := vatFoldRepository.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeOneMissingHeaders)).To(Equal(len(blockNumbers) - 1))
nodeTwoMissingHeaders, err := vatFoldRepositoryTwo.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeTwoMissingHeaders)).To(Equal(len(blockNumbers)))
})
})
})