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Make check_count a column on public.headers

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- Don't need to maintain it on public.checked_headers if we're not
  adding additional columns to that table
This commit is contained in:
Rob Mulholand
2019-08-28 09:50:17 -05:00
parent 222252f89a
commit 5ac76eee74
9 changed files with 68 additions and 70 deletions
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pkg/datastore/postgres/repositories/checked_headers_repository.go
+14 -16
View File
@@ -22,9 +22,7 @@ import (
)
const (
insertCheckedHeaderQuery = `INSERT INTO public.checked_headers (header_id) VALUES ($1)
ON CONFLICT (header_id) DO UPDATE
SET check_count = (SELECT check_count FROM public.checked_headers WHERE header_id = $1) + 1`
insertCheckedHeaderQuery = `UPDATE public.headers SET check_count = (SELECT check_count WHERE id = $1) + 1 WHERE id = $1`
)
type CheckedHeadersRepository struct {
@@ -43,30 +41,30 @@ func (repo CheckedHeadersRepository) MarkHeaderChecked(headerID int64) error {
// Remove checked_headers rows with block number >= starting block number
func (repo CheckedHeadersRepository) MarkHeadersUnchecked(startingBlockNumber int64) error {
_, err := repo.db.Exec(`DELETE FROM public.checked_headers WHERE header_id IN (SELECT id FROM public.headers WHERE block_number >= $1)`, startingBlockNumber)
_, err := repo.db.Exec(`UPDATE public.headers SET check_count = 0 WHERE block_number >= $1`, startingBlockNumber)
return err
}
// Return header_id if not present in checked_headers or its check_count is < passed checkCount
func (repo CheckedHeadersRepository) MissingHeaders(startingBlockNumber, endingBlockNumber, checkCount int64) ([]core.Header, error) {
func (repo CheckedHeadersRepository) UncheckedHeaders(startingBlockNumber, endingBlockNumber, checkCount int64) ([]core.Header, error) {
var result []core.Header
var query string
var err error
if endingBlockNumber == -1 {
query = `SELECT headers.id, headers.block_number, headers.hash FROM headers
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR check_count < $2)
AND headers.block_number >= $1
AND headers.eth_node_fingerprint = $3`
query = `SELECT id, block_number, hash
FROM headers
WHERE check_count < $2
AND block_number >= $1
AND eth_node_fingerprint = $3`
err = repo.db.Select(&result, query, startingBlockNumber, checkCount, repo.db.Node.ID)
} else {
query = `SELECT headers.id, headers.block_number, headers.hash FROM headers
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR check_count < $3)
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $4`
query = `SELECT id, block_number, hash
FROM headers
WHERE check_count < $3
AND block_number >= $1
AND block_number <= $2
AND eth_node_fingerprint = $4`
err = repo.db.Select(&result, query, startingBlockNumber, endingBlockNumber, checkCount, repo.db.Node.ID)
}
pkg/datastore/postgres/repositories/checked_headers_repository_test.go
+24 -24
View File
@@ -50,7 +50,7 @@ var _ = Describe("Checked Headers repository", func() {
Expect(err).NotTo(HaveOccurred())
var checkedCount int
fetchErr := db.Get(&checkedCount, `SELECT check_count FROM public.checked_headers WHERE header_id = $1`, headerID)
fetchErr := db.Get(&checkedCount, `SELECT check_count FROM public.headers WHERE id = $1`, headerID)
Expect(fetchErr).NotTo(HaveOccurred())
Expect(checkedCount).To(Equal(1))
})
@@ -67,7 +67,7 @@ var _ = Describe("Checked Headers repository", func() {
Expect(updateErr).NotTo(HaveOccurred())
var checkedCount int
fetchErr := db.Get(&checkedCount, `SELECT check_count FROM public.checked_headers WHERE header_id = $1`, headerID)
fetchErr := db.Get(&checkedCount, `SELECT check_count FROM public.headers WHERE id = $1`, headerID)
Expect(fetchErr).NotTo(HaveOccurred())
Expect(checkedCount).To(Equal(2))
})
@@ -101,20 +101,20 @@ var _ = Describe("Checked Headers repository", func() {
err := repo.MarkHeadersUnchecked(blockNumberTwo)
Expect(err).NotTo(HaveOccurred())
var headerOneChecked, headerTwoChecked, headerThreeChecked bool
getHeaderOneErr := db.Get(&headerOneChecked, `SELECT EXISTS(SELECT 1 FROM public.checked_headers WHERE header_id = $1)`, headerIdOne)
var headerOneCheckCount, headerTwoCheckCount, headerThreeCheckCount int
getHeaderOneErr := db.Get(&headerOneCheckCount, `SELECT check_count FROM public.headers WHERE id = $1`, headerIdOne)
Expect(getHeaderOneErr).NotTo(HaveOccurred())
Expect(headerOneChecked).To(BeTrue())
getHeaderTwoErr := db.Get(&headerTwoChecked, `SELECT EXISTS(SELECT 1 FROM public.checked_headers WHERE header_id = $1)`, headerIdTwo)
Expect(headerOneCheckCount).To(Equal(1))
getHeaderTwoErr := db.Get(&headerTwoCheckCount, `SELECT check_count FROM public.headers WHERE id = $1`, headerIdTwo)
Expect(getHeaderTwoErr).NotTo(HaveOccurred())
Expect(headerTwoChecked).To(BeFalse())
getHeaderThreeErr := db.Get(&headerThreeChecked, `SELECT EXISTS(SELECT 1 FROM public.checked_headers WHERE header_id = $1)`, headerIdThree)
Expect(headerTwoCheckCount).To(BeZero())
getHeaderThreeErr := db.Get(&headerThreeCheckCount, `SELECT check_count FROM public.headers WHERE id = $1`, headerIdThree)
Expect(getHeaderThreeErr).NotTo(HaveOccurred())
Expect(headerThreeChecked).To(BeFalse())
Expect(headerThreeCheckCount).To(BeZero())
})
})
Describe("MissingHeaders", func() {
Describe("UncheckedHeaders", func() {
var (
headerRepository datastore.HeaderRepository
startingBlockNumber int64
@@ -151,7 +151,7 @@ var _ = Describe("Checked Headers repository", func() {
Describe("when ending block is specified", func() {
It("excludes headers that are out of range", func() {
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
// doesn't include outOfRangeBlockNumber
@@ -162,10 +162,10 @@ var _ = Describe("Checked Headers repository", func() {
})
It("excludes headers that have been checked more than the check count", func() {
_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIDs[1])
_, err = db.Exec(`UPDATE public.headers SET check_count = 1 WHERE id = $1`, headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
// doesn't include middleBlockNumber
@@ -175,10 +175,10 @@ var _ = Describe("Checked Headers repository", func() {
})
It("does not exclude headers that have been checked less than the check count", func() {
_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIDs[1])
_, err = db.Exec(`UPDATE public.headers SET check_count = 1 WHERE id = $1`, headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlockNumber, recheckCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlockNumber, recheckCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(headers)).To(Equal(3))
@@ -197,14 +197,14 @@ var _ = Describe("Checked Headers repository", func() {
}
Expect(err).NotTo(HaveOccurred())
nodeOneMissingHeaders, err := repo.MissingHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
nodeOneMissingHeaders, err := repo.UncheckedHeaders(startingBlockNumber, endingBlockNumber, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeOneMissingHeaders)).To(Equal(3))
Expect(nodeOneMissingHeaders[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber)))
Expect(nodeOneMissingHeaders[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber)))
Expect(nodeOneMissingHeaders[2].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber)))
nodeTwoMissingHeaders, err := repoTwo.MissingHeaders(startingBlockNumber, endingBlockNumber+10, uncheckedCheckCount)
nodeTwoMissingHeaders, err := repoTwo.UncheckedHeaders(startingBlockNumber, endingBlockNumber+10, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeTwoMissingHeaders)).To(Equal(3))
Expect(nodeTwoMissingHeaders[0].BlockNumber).To(Or(Equal(startingBlockNumber+10), Equal(middleBlockNumber+10), Equal(endingBlockNumber+10)))
@@ -217,7 +217,7 @@ var _ = Describe("Checked Headers repository", func() {
var endingBlock = int64(-1)
It("includes all non-checked headers when ending block is -1 ", func() {
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(headers)).To(Equal(4))
@@ -228,10 +228,10 @@ var _ = Describe("Checked Headers repository", func() {
})
It("excludes headers that have been checked more than the check count", func() {
_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIDs[1])
_, err = db.Exec(`UPDATE public.headers SET check_count = 1 WHERE id = $1`, headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
// doesn't include middleBlockNumber
@@ -242,10 +242,10 @@ var _ = Describe("Checked Headers repository", func() {
})
It("does not exclude headers that have been checked less than the check count", func() {
_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIDs[1])
_, err = db.Exec(`UPDATE public.headers SET check_count = 1 WHERE id = $1`, headerIDs[1])
Expect(err).NotTo(HaveOccurred())
headers, err := repo.MissingHeaders(startingBlockNumber, endingBlock, recheckCheckCount)
headers, err := repo.UncheckedHeaders(startingBlockNumber, endingBlock, recheckCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(headers)).To(Equal(4))
@@ -265,7 +265,7 @@ var _ = Describe("Checked Headers repository", func() {
}
Expect(err).NotTo(HaveOccurred())
nodeOneMissingHeaders, err := repo.MissingHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
nodeOneMissingHeaders, err := repo.UncheckedHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeOneMissingHeaders)).To(Equal(4))
Expect(nodeOneMissingHeaders[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber), Equal(outOfRangeBlockNumber)))
@@ -273,7 +273,7 @@ var _ = Describe("Checked Headers repository", func() {
Expect(nodeOneMissingHeaders[2].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber), Equal(outOfRangeBlockNumber)))
Expect(nodeOneMissingHeaders[3].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(middleBlockNumber), Equal(endingBlockNumber), Equal(outOfRangeBlockNumber)))
nodeTwoMissingHeaders, err := repoTwo.MissingHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
nodeTwoMissingHeaders, err := repoTwo.UncheckedHeaders(startingBlockNumber, endingBlock, uncheckedCheckCount)
Expect(err).NotTo(HaveOccurred())
Expect(len(nodeTwoMissingHeaders)).To(Equal(4))
Expect(nodeTwoMissingHeaders[0].BlockNumber).To(Or(Equal(startingBlockNumber+10), Equal(middleBlockNumber+10), Equal(endingBlockNumber+10), Equal(outOfRangeBlockNumber+10)))