cerc-io/ipfs-ethdb
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Merge pull request #33 from deep-stack/pm-v4-schema-changes

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Updates to use v4 schema
This commit is contained in:
Ashwin Phatak 2022-05-09 16:30:35 +05:30 committed by GitHub
commit a19b47d67c
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9 changed files with 46 additions and 28 deletions
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6
README.md
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@ -34,7 +34,7 @@ Ancient interfaces are used for Ancient/frozen data operations (e.g. rawdb/table
Outside of these primarily auxiliary capabilities, this package satisfies the interfaces required for many state operations using Ethereum data on IPFS.
e.g.
go-ethereum trie.NodeIterator and state.NodeIterator can be constructed from the ethdb.KeyValueStore and ethdb.Database interfaces, respectively:
```go
@ -42,7 +42,7 @@ package main
import (
"context"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/trie"
@ -50,7 +50,7 @@ import (
"github.com/ipfs/go-ipfs/core"
"github.com/ipfs/go-ipfs/repo/fsrepo"
"github.com/jmoiron/sqlx"
"github.com/vulcanize/ipfs-ethdb"
"github.com/vulcanize/ipfs-ethdb/v4"
)
func main() {

2
batch_test.go
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@ -25,7 +25,7 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
ipfsethdb "github.com/vulcanize/ipfs-ethdb/v3"
ipfsethdb "github.com/vulcanize/ipfs-ethdb/v4"
)
var (

2
database_test.go
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@ -26,7 +26,7 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
ipfsethdb "github.com/vulcanize/ipfs-ethdb/v3"
ipfsethdb "github.com/vulcanize/ipfs-ethdb/v4"
)
var (

2
go.mod
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@ -1,4 +1,4 @@
module github.com/vulcanize/ipfs-ethdb/v3
module github.com/vulcanize/ipfs-ethdb/v4
go 1.15

13
postgres/batch.go
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@ -17,6 +17,8 @@
package pgipfsethdb
import (
"math/big"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/jmoiron/sqlx"
)
@ -28,13 +30,16 @@ type Batch struct {
db *sqlx.DB
tx *sqlx.Tx
valueSize int
blockNumber *big.Int
}
// NewBatch returns a ethdb.Batch interface for PG-IPFS
func NewBatch(db *sqlx.DB, tx *sqlx.Tx) ethdb.Batch {
func NewBatch(db *sqlx.DB, tx *sqlx.Tx, blockNumber *big.Int) ethdb.Batch {
b := &Batch{
db: db,
tx: tx,
db: db,
tx: tx,
blockNumber: blockNumber,
}
if tx == nil {
b.Reset()
@ -50,7 +55,7 @@ func (b *Batch) Put(key []byte, value []byte) (err error) {
if err != nil {
return err
}
if _, err = b.tx.Exec(putPgStr, mhKey, value); err != nil {
if _, err = b.tx.Exec(putPgStr, mhKey, value, b.blockNumber.Uint64()); err != nil {
return err
}
b.valueSize += len(value)

7
postgres/batch_test.go
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@ -27,7 +27,7 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
pgipfsethdb "github.com/vulcanize/ipfs-ethdb/v3/postgres"
pgipfsethdb "github.com/vulcanize/ipfs-ethdb/v4/postgres"
)
var (
@ -49,6 +49,11 @@ var _ = Describe("Batch", func() {
}
database = pgipfsethdb.NewDatabase(db, cacheConfig)
databaseWithBlock, ok := database.(*pgipfsethdb.Database)
Expect(ok).To(BeTrue())
(*databaseWithBlock).BlockNumber = testBlockNumber
batch = database.NewBatch()
})
AfterEach(func() {

15
postgres/database.go
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@ -20,6 +20,7 @@ import (
"context"
"errors"
"fmt"
"math/big"
"strconv"
"strings"
"time"
@ -32,9 +33,9 @@ import (
var errNotSupported = errors.New("this operation is not supported")
var (
hasPgStr = "SELECT exists(select 1 from public.blocks WHERE key = $1)"
getPgStr = "SELECT data FROM public.blocks WHERE key = $1"
putPgStr = "INSERT INTO public.blocks (key, data) VALUES ($1, $2) ON CONFLICT (key) DO NOTHING"
hasPgStr = "SELECT exists(select 1 from public.blocks WHERE key = $1 LIMIT 1)"
getPgStr = "SELECT data FROM public.blocks WHERE key = $1 LIMIT 1"
putPgStr = "INSERT INTO public.blocks (key, data, block_number) VALUES ($1, $2, $3) ON CONFLICT DO NOTHING"
deletePgStr = "DELETE FROM public.blocks WHERE key = $1"
dbSizePgStr = "SELECT pg_database_size(current_database())"
)
@ -45,6 +46,8 @@ var _ ethdb.Database = &Database{}
type Database struct {
db *sqlx.DB
cache *groupcache.Group
BlockNumber *big.Int
}
func (d *Database) ModifyAncients(f func(ethdb.AncientWriteOp) error) (int64, error) {
@ -136,7 +139,7 @@ func (d *Database) Put(key []byte, value []byte) error {
if err != nil {
return err
}
_, err = d.db.Exec(putPgStr, mhKey, value)
_, err = d.db.Exec(putPgStr, mhKey, value, d.BlockNumber.Uint64())
return err
}
@ -245,13 +248,13 @@ func (d *Database) Compact(start []byte, limit []byte) error {
// NewBatch creates a write-only database that buffers changes to its host db
// until a final write is called
func (d *Database) NewBatch() ethdb.Batch {
return NewBatch(d.db, nil)
return NewBatch(d.db, nil, d.BlockNumber)
}
// NewBatchWithSize satisfies the ethdb.Batcher interface.
// NewBatchWithSize creates a write-only database batch with pre-allocated buffer.
func (d *Database) NewBatchWithSize(size int) ethdb.Batch {
return NewBatch(d.db, nil)
return NewBatch(d.db, nil, d.BlockNumber)
}
// NewIterator satisfies the ethdb.Iteratee interface

25
postgres/database_test.go
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@ -28,17 +28,18 @@ import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
pgipfsethdb "github.com/vulcanize/ipfs-ethdb/v3/postgres"
pgipfsethdb "github.com/vulcanize/ipfs-ethdb/v4/postgres"
)
var (
database ethdb.Database
db *sqlx.DB
err error
testHeader = types.Header{Number: big.NewInt(1337)}
testValue, _ = rlp.EncodeToBytes(testHeader)
testEthKey = testHeader.Hash().Bytes()
testMhKey, _ = pgipfsethdb.MultihashKeyFromKeccak256(testEthKey)
database ethdb.Database
db *sqlx.DB
err error
testBlockNumber = big.NewInt(1337)
testHeader = types.Header{Number: testBlockNumber}
testValue, _ = rlp.EncodeToBytes(testHeader)
testEthKey = testHeader.Hash().Bytes()
testMhKey, _ = pgipfsethdb.MultihashKeyFromKeccak256(testEthKey)
)
var _ = Describe("Database", func() {
@ -53,6 +54,10 @@ var _ = Describe("Database", func() {
}
database = pgipfsethdb.NewDatabase(db, cacheConfig)
databaseWithBlock, ok := database.(*pgipfsethdb.Database)
Expect(ok).To(BeTrue())
(*databaseWithBlock).BlockNumber = testBlockNumber
})
AfterEach(func() {
groupcache.DeregisterGroup("db")
@ -67,7 +72,7 @@ var _ = Describe("Database", func() {
Expect(has).ToNot(BeTrue())
})
It("returns true if a key-pair exists in the db", func() {
_, err = db.Exec("INSERT into public.blocks (key, data) VALUES ($1, $2)", testMhKey, testValue)
_, err = db.Exec("INSERT into public.blocks (key, data, block_number) VALUES ($1, $2, $3)", testMhKey, testValue, testBlockNumber.Uint64())
Expect(err).ToNot(HaveOccurred())
has, err := database.Has(testEthKey)
Expect(err).ToNot(HaveOccurred())
@ -82,7 +87,7 @@ var _ = Describe("Database", func() {
Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
})
It("returns the value associated with the key, if the pair exists", func() {
_, err = db.Exec("INSERT into public.blocks (key, data) VALUES ($1, $2)", testMhKey, testValue)
_, err = db.Exec("INSERT into public.blocks (key, data, block_number) VALUES ($1, $2, $3)", testMhKey, testValue, testBlockNumber.Uint64())
Expect(err).ToNot(HaveOccurred())
val, err := database.Get(testEthKey)
Expect(err).ToNot(HaveOccurred())

2
postgres/doc.md
View File

@ -18,7 +18,7 @@ import (
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/trie"
"github.com/jmoiron/sqlx"
"github.com/vulcanize/ipfs-ethdb/v3/postgres"
"github.com/vulcanize/ipfs-ethdb/v4/postgres"
)
func main() {