erigon-pulse/turbo/snapshotsync/postprocessing_test.go
b00ris 6464da7670
Remote snapshot downloader (#1343)
* save state

* save state

* save state

* refactoring

* fix

* save state

* save state

* fmt

* fix lint

* restore torrents for external downloader

* fix lint

* download

* skip debug test

* debug

* remote debug

* small cli fixes

* skip debug test

* external snapshot predownloader

* get rid of remote downloader

* fix lint

* clean makefile

* fix lint

* fix lint

* cleanup

* fix ci

* fmt

* remove proto from interfaces

* Squashed 'interfaces/' content from commit acd02bb94

git-subtree-dir: interfaces
git-subtree-split: acd02bb94c5a421aa8f8d1fd76cd8aad668e9fcb
2020-11-13 16:16:47 +00:00

105 lines
3.2 KiB
Go

package snapshotsync
import (
"context"
"math/big"
"os"
"testing"
"github.com/ledgerwatch/turbo-geth/common/dbutils"
"github.com/ledgerwatch/turbo-geth/core/rawdb"
"github.com/ledgerwatch/turbo-geth/core/types"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/rlp"
)
func TestHeadersGenerateIndex(t *testing.T) {
snPath := os.TempDir() + "/sn"
snVK := ethdb.NewLMDB().Path(snPath).MustOpen()
defer os.RemoveAll(snPath)
headers := generateHeaders(10)
err := snVK.Update(context.Background(), func(tx ethdb.Tx) error {
for _, header := range headers {
headerBytes, innerErr := rlp.EncodeToBytes(header)
if innerErr != nil {
panic(innerErr)
}
innerErr = tx.Cursor(dbutils.HeaderPrefix).Put(dbutils.HeaderKey(header.Number.Uint64(), header.Hash()), headerBytes)
if innerErr != nil {
panic(innerErr)
}
}
c := tx.Cursor(dbutils.SnapshotInfoBucket)
innerErr := c.Put([]byte(dbutils.SnapshotHeadersHeadHash), headers[len(headers)-1].Hash().Bytes())
if innerErr != nil {
return innerErr
}
innerErr = c.Put([]byte(dbutils.SnapshotHeadersHeadNumber), headers[len(headers)-1].Number.Bytes())
if innerErr != nil {
return innerErr
}
return nil
})
if err != nil {
t.Fatal(err)
}
snVK.Close()
db := ethdb.NewLMDB().InMem().WithBucketsConfig(ethdb.DefaultBucketConfigs).MustOpen()
//we need genesis
err = rawdb.WriteCanonicalHash(ethdb.NewObjectDatabase(db), headers[0].Hash(), headers[0].Number.Uint64())
if err != nil {
t.Fatal(err)
}
snKV := ethdb.NewLMDB().Path(snPath).ReadOnly().WithBucketsConfig(ethdb.DefaultBucketConfigs).MustOpen()
snKV = ethdb.NewSnapshotKV().For(dbutils.HeaderPrefix).For(dbutils.SnapshotInfoBucket).SnapshotDB(snKV).DB(db).MustOpen()
err = GenerateHeaderIndexes(context.Background(), ethdb.NewObjectDatabase(snKV))
if err != nil {
t.Fatal(err)
}
snDB := ethdb.NewObjectDatabase(snKV)
td := big.NewInt(0)
for i, header := range headers {
td = td.Add(td, header.Difficulty)
canonical, err1 := rawdb.ReadCanonicalHash(snDB, header.Number.Uint64())
if err1 != nil {
t.Errorf("reading canonical hash for block %d: %v", header.Number.Uint64(), err1)
}
if canonical != header.Hash() {
t.Error(i, "canonical not correct", canonical)
}
hasHeader := rawdb.HasHeader(snDB, header.Hash(), header.Number.Uint64())
if !hasHeader {
t.Error(i, header.Hash(), header.Number.Uint64(), "not exists")
}
headerNumber := rawdb.ReadHeaderNumber(snDB, header.Hash())
if headerNumber == nil {
t.Error(i, "empty header number")
} else if *headerNumber != header.Number.Uint64() {
t.Error(i, header.Hash(), header.Number.Uint64(), "header number incorrect")
}
if td == nil {
t.Error(i, "empty td")
} else {
td, err := rawdb.ReadTd(snDB, header.Hash(), header.Number.Uint64())
if err != nil {
panic(err)
}
if td.Cmp(td) != 0 {
t.Error(i, header.Hash(), header.Number.Uint64(), "td incorrect")
}
}
}
}
func generateHeaders(n int) []types.Header {
headers := make([]types.Header, n)
for i := uint64(0); i < uint64(n); i++ {
headers[i] = types.Header{Difficulty: new(big.Int).SetUint64(i), Number: new(big.Int).SetUint64(i)}
}
return headers
}