erigon-pulse/migrations/receipts.go
2020-10-19 07:43:30 +01:00

77 lines
2.7 KiB
Go

package migrations
import (
"encoding/binary"
"fmt"
"runtime"
"time"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/common/dbutils"
"github.com/ledgerwatch/turbo-geth/common/etl"
"github.com/ledgerwatch/turbo-geth/core/types"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/ethdb/cbor"
"github.com/ledgerwatch/turbo-geth/log"
"github.com/ledgerwatch/turbo-geth/rlp"
)
var receiptsCborEncode = Migration{
Name: "receipts_cbor_encode",
Up: func(db ethdb.Database, datadir string, OnLoadCommit etl.LoadCommitHandler) error {
logEvery := time.NewTicker(30 * time.Second)
defer logEvery.Stop()
collector, err1 := etl.NewCollectorFromFiles(datadir)
if err1 != nil {
return err1
}
if collector == nil {
collector = etl.NewCriticalCollector(datadir, etl.NewSortableBuffer(etl.BufferOptimalSize))
buf := make([]byte, 0, 100_000)
if err1 = db.Walk(dbutils.BlockReceiptsPrefix, nil, 0, func(k, v []byte) (bool, error) {
blockNum := binary.BigEndian.Uint64(k[:8])
select {
default:
case <-logEvery.C:
var m runtime.MemStats
runtime.ReadMemStats(&m)
log.Info("Migration progress", "blockNum", blockNum, "alloc", common.StorageSize(m.Alloc), "sys", common.StorageSize(m.Sys))
}
// Convert the receipts from their storage form to their internal representation
storageReceipts := []*types.ReceiptForStorage{}
if err := rlp.DecodeBytes(v, &storageReceipts); err != nil {
return false, fmt.Errorf("invalid receipt array RLP: %w, k=%x", err, k)
}
buf = buf[:0]
if err := cbor.Marshal(&buf, storageReceipts); err != nil {
return false, err
}
if err := collector.Collect(k, buf); err != nil {
return false, fmt.Errorf("collecting key %x: %w", k, err)
}
return true, nil
}); err1 != nil {
return err1
}
}
if err := db.(ethdb.BucketsMigrator).ClearBuckets(dbutils.BlockReceiptsPrefix); err != nil {
return fmt.Errorf("clearing the receipt bucket: %w", err)
}
// Commit clearing of the bucket - freelist should now be written to the database
if err := OnLoadCommit(db, nil, false); err != nil {
return fmt.Errorf("committing the removal of receipt table")
}
// Commit again
if err := OnLoadCommit(db, nil, false); err != nil {
return fmt.Errorf("committing again to create a stable view the removal of receipt table")
}
// Now transaction would have been re-opened, and we should be re-using the space
if err := collector.Load(db, dbutils.BlockReceiptsPrefix, etl.IdentityLoadFunc, etl.TransformArgs{OnLoadCommit: OnLoadCommit}); err != nil {
return fmt.Errorf("loading the transformed data back into the receipts table: %w", err)
}
return nil
},
}