Implement TxOut Spend tracking.

Return spent data in TxListReply.

Unspend coins when blocks are removed during DropAfterBlock.
This commit is contained in:
Dale Rahn 2013-07-11 16:35:50 -04:00
parent a7a9023bc1
commit 66731c1a1e
8 changed files with 611 additions and 353 deletions

8
db.go
View file

@ -161,9 +161,11 @@ type DriverDB struct {
// TxListReply is used to return individual transaction information when
// data about multiple transactions is requested in a single call.
type TxListReply struct {
Sha *btcwire.ShaHash
Tx *btcwire.MsgTx
Err error
Sha *btcwire.ShaHash
Tx *btcwire.MsgTx
Height int64
TxSpent []bool
Err error
}
// driverList holds all of the registered database backends.

View file

@ -0,0 +1,217 @@
// Copyright (c) 2013 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package sqlite3_test
import (
//"compress/bzip2"
//"encoding/binary"
"github.com/conformal/btcdb"
"github.com/conformal/btcdb/sqlite3"
"github.com/conformal/btcutil"
"github.com/conformal/btcwire"
//"io"
"fmt"
"os"
"path/filepath"
//"strings"
"testing"
)
var tstBlocks []*btcutil.Block
func loadblocks(t *testing.T) []*btcutil.Block {
if len(tstBlocks) != 0 {
return tstBlocks
}
testdatafile := filepath.Join("testdata", "blocks1-256.bz2")
blocks, err := loadBlocks(t, testdatafile)
if err != nil {
t.Errorf("Unable to load blocks from test data: %v", err)
return nil
}
tstBlocks = blocks
return blocks
}
func TestUnspentInsert(t *testing.T) {
testUnspentInsert(t, dbTmDefault)
testUnspentInsert(t, dbTmNormal)
testUnspentInsert(t, dbTmFast)
}
// insert every block in the test chain
// after each insert, fetch all the tx affected by the latest
// block and verify that the the tx is spent/unspent
// new tx should be fully unspent, referenced tx should have
// the associated txout set to spent.
func testUnspentInsert(t *testing.T, mode int) {
// Ignore db remove errors since it means we didn't have an old one.
dbname := "tstdbuspnt1"
_ = os.Remove(dbname)
db, err := btcdb.CreateDB("sqlite", dbname)
if err != nil {
t.Errorf("Failed to open test database %v", err)
return
}
defer os.Remove(dbname)
defer db.Close()
switch mode {
case dbTmDefault: // default
// no setup
case dbTmNormal: // explicit normal
db.SetDBInsertMode(btcdb.InsertNormal)
case dbTmFast: // fast mode
db.SetDBInsertMode(btcdb.InsertFast)
if sqldb, ok := db.(*sqlite3.SqliteDb); ok {
sqldb.TempTblMax = 100
} else {
t.Errorf("not right type")
}
case dbTmNoVerify: // validated block
t.Errorf("UnspentInsert test is not valid in NoVerify mode")
}
// Since we are dealing with small dataset, reduce cache size
sqlite3.SetBlockCacheSize(db, 2)
sqlite3.SetTxCacheSize(db, 3)
blocks := loadblocks(t)
endtest:
for height := int64(1); height < int64(len(blocks)); height++ {
block := blocks[height]
// look up inputs to this x
mblock := block.MsgBlock()
var txneededList []*btcwire.ShaHash
var txlookupList []*btcwire.ShaHash
var txOutList []*btcwire.ShaHash
var txInList []*btcwire.OutPoint
for _, tx := range mblock.Transactions {
for _, txin := range tx.TxIn {
if txin.PreviousOutpoint.Index == uint32(4294967295) {
continue
}
origintxsha := &txin.PreviousOutpoint.Hash
txInList = append(txInList, &txin.PreviousOutpoint)
txneededList = append(txneededList, origintxsha)
txlookupList = append(txlookupList, origintxsha)
if !db.ExistsTxSha(origintxsha) {
t.Errorf("referenced tx not found %v ", origintxsha)
}
}
txshaname, _ := tx.TxSha(block.ProtocolVersion())
txlookupList = append(txlookupList, &txshaname)
txOutList = append(txOutList, &txshaname)
}
txneededmap := map[btcwire.ShaHash]*btcdb.TxListReply{}
txlist := db.FetchTxByShaList(txneededList)
for _, txe := range txlist {
if txe.Err != nil {
t.Errorf("tx list fetch failed %v err %v ", txe.Sha, txe.Err)
break endtest
}
txneededmap[*txe.Sha] = txe
}
for _, spend := range txInList {
itxe := txneededmap[spend.Hash]
if itxe.TxSpent[spend.Index] == true {
t.Errorf("txin %v:%v is already spent", spend.Hash, spend.Index)
}
}
newheight, err := db.InsertBlock(block)
if err != nil {
t.Errorf("failed to insert block %v err %v", height, err)
break endtest
}
if newheight != height {
t.Errorf("height mismatch expect %v returned %v", height, newheight)
break endtest
}
txlookupmap := map[btcwire.ShaHash]*btcdb.TxListReply{}
txlist = db.FetchTxByShaList(txlookupList)
for _, txe := range txlist {
if txe.Err != nil {
t.Errorf("tx list fetch failed %v err %v ", txe.Sha, txe.Err)
break endtest
}
txlookupmap[*txe.Sha] = txe
}
for _, spend := range txInList {
itxe := txlookupmap[spend.Hash]
if itxe.TxSpent[spend.Index] == false {
fmt.Printf("?? txin %v:%v is unspent %v\n", spend.Hash, spend.Index, itxe.TxSpent)
t.Errorf("txin %v:%v is unspent %v", spend.Hash, spend.Index, itxe.TxSpent)
}
}
for _, txo := range txOutList {
itxe := txlookupmap[*txo]
for i, spent := range itxe.TxSpent {
if spent == true {
t.Errorf("freshly inserted tx %v already spent %v", txo, i)
}
}
}
if len(txInList) == 0 {
continue
}
dropblock := blocks[height-1]
dropsha, _ := dropblock.Sha()
err = db.DropAfterBlockBySha(dropsha)
if err != nil {
t.Errorf("failed to drop block %v err %v", height, err)
break endtest
}
txlookupmap = map[btcwire.ShaHash]*btcdb.TxListReply{}
txlist = db.FetchTxByShaList(txlookupList)
for _, txe := range txlist {
if txe.Err != nil {
if _, ok := txneededmap[*txe.Sha]; ok {
t.Errorf("tx list fetch failed %v err %v ", txe.Sha, txe.Err)
break endtest
}
}
txlookupmap[*txe.Sha] = txe
}
for _, spend := range txInList {
itxe := txlookupmap[spend.Hash]
if itxe.TxSpent[spend.Index] == true {
fmt.Printf("?? txin %v:%v is spent %v\n", spend.Hash, spend.Index, itxe.TxSpent)
t.Errorf("txin %v:%v is unspent %v", spend.Hash, spend.Index, itxe.TxSpent)
}
}
newheight, err = db.InsertBlock(block)
if err != nil {
t.Errorf("failed to insert block %v err %v", height, err)
break endtest
}
txlookupmap = map[btcwire.ShaHash]*btcdb.TxListReply{}
txlist = db.FetchTxByShaList(txlookupList)
for _, txe := range txlist {
if txe.Err != nil {
t.Errorf("tx list fetch failed %v err %v ", txe.Sha, txe.Err)
break endtest
}
txlookupmap[*txe.Sha] = txe
}
for _, spend := range txInList {
itxe := txlookupmap[spend.Hash]
if itxe.TxSpent[spend.Index] == false {
fmt.Printf("?? txin %v:%v is unspent %v\n", spend.Hash, spend.Index, itxe.TxSpent)
t.Errorf("txin %v:%v is unspent %v", spend.Hash, spend.Index, itxe.TxSpent)
}
}
}
}

View file

@ -246,7 +246,7 @@ func testBackout(t *testing.T, mode int) {
_ = db.ExistsSha(sha)
_, err = db.FetchBlockBySha(sha)
if err != nil {
t.Errorf("failed to load block 99 from db", err)
t.Errorf("failed to load block 99 from db %v", err)
}
sha, err = blocks[110].Sha()
@ -266,7 +266,7 @@ func testBackout(t *testing.T, mode int) {
txsha, err := mblock.Transactions[0].TxSha(block.ProtocolVersion())
exists := db.ExistsTxSha(&txsha)
if exists {
t.Errorf("tx %v exists in db, failure expected")
t.Errorf("tx %v exists in db, failure expected", txsha)
}
_, _, _, err = db.FetchTxBySha(&txsha)

View file

@ -34,9 +34,15 @@ const (
txInsertStmt = iota
txFetchUsedByShaStmt
txFetchLocationByShaStmt
txFetchLocUsedByShaStmt
txUpdateUsedByShaStmt
txtmpInsertStmt
txtmpFetchUsedByShaStmt
txtmpFetchLocationByShaStmt
txtmpFetchLocUsedByShaStmt
txtmpUpdateUsedByShaStmt
txMigrateCopy
txMigrateClear
txMigratePrep
@ -58,22 +64,28 @@ var blkqueries []string = []string{
}
var txqueries []string = []string{
txInsertStmt: "INSERT INTO tx (key, blockid, txoff, txlen, data) VALUES(?, ?, ?, ?, ?);",
txFetchUsedByShaStmt: "SELECT data FROM tx WHERE key = ?;",
txFetchLocationByShaStmt: "SELECT blockid, txoff, txlen FROM tx WHERE key = ?;",
txInsertStmt: "INSERT INTO tx (key, blockid, txoff, txlen, data) VALUES(?, ?, ?, ?, ?);",
txFetchUsedByShaStmt: "SELECT data FROM tx WHERE key = ?;",
txFetchLocationByShaStmt: "SELECT blockid, txoff, txlen FROM tx WHERE key = ?;",
txFetchLocUsedByShaStmt: "SELECT blockid, txoff, txlen, data FROM tx WHERE key = ?;",
txUpdateUsedByShaStmt: "UPDATE tx SET data = ? WHERE key = ?;",
txtmpInsertStmt: "INSERT INTO txtmp (key, blockid, txoff, txlen, data) VALUES(?, ?, ?, ?, ?);",
txtmpFetchUsedByShaStmt: "SELECT data FROM txtmp WHERE key = ?;",
txtmpFetchLocationByShaStmt: "SELECT blockid, txoff, txlen FROM txtmp WHERE key = ?;",
txMigrateCopy: "INSERT INTO tx (key, blockid, txoff, txlen, data) SELECT key, blockid, txoff, txlen, data FROM txtmp;",
txMigrateClear: "DELETE from txtmp;",
txMigratePrep: "DROP index IF EXISTS uniquetx;",
txMigrateFinish: "CREATE UNIQUE INDEX IF NOT EXISTS uniquetx ON tx (key);",
txMigrateCount: "SELECT COUNT(*) FROM txtmp;",
txPragmaVacuumOn: "PRAGMA auto_vacuum = FULL;",
txPragmaVacuumOff: "PRAGMA auto_vacuum = NONE;",
txVacuum: "VACUUM;",
txExistsShaStmt: "SELECT blockid FROM tx WHERE key = ?;",
txtmpExistsShaStmt: "SELECT blockid FROM txtmp WHERE key = ?;",
txtmpFetchLocUsedByShaStmt: "SELECT blockid, txoff, txlen, data FROM txtmp WHERE key = ?;",
txtmpUpdateUsedByShaStmt: "UPDATE txtmp SET data = ? WHERE key = ?;",
txMigrateCopy: "INSERT INTO tx (key, blockid, txoff, txlen, data) SELECT key, blockid, txoff, txlen, data FROM txtmp;",
txMigrateClear: "DELETE from txtmp;",
txMigratePrep: "DROP index IF EXISTS uniquetx;",
txMigrateFinish: "CREATE UNIQUE INDEX IF NOT EXISTS uniquetx ON tx (key);",
txMigrateCount: "SELECT COUNT(*) FROM txtmp;",
txPragmaVacuumOn: "PRAGMA auto_vacuum = FULL;",
txPragmaVacuumOff: "PRAGMA auto_vacuum = NONE;",
txVacuum: "VACUUM;",
txExistsShaStmt: "SELECT blockid FROM tx WHERE key = ?;",
txtmpExistsShaStmt: "SELECT blockid FROM txtmp WHERE key = ?;",
}
var log seelog.LoggerInterface = seelog.Disabled
@ -269,6 +281,8 @@ func newOrCreateSqliteDB(filepath string, create bool) (pbdb btcdb.Db, err error
bdb.blockCache.maxcount = 150
bdb.blockCache.blockMap = map[btcwire.ShaHash]*blockCacheObj{}
bdb.blockCache.blockMap = map[btcwire.ShaHash]*blockCacheObj{}
bdb.blockCache.blockHeightMap = map[int64]*blockCacheObj{}
bdb.txCache.maxcount = 2000
bdb.txCache.txMap = map[btcwire.ShaHash]*txCacheObj{}
@ -325,6 +339,8 @@ func (db *SqliteDb) RollbackClose() {
err := tx.tx.Rollback()
if err != nil {
log.Debugf("Rollback failed: %v", err)
} else {
tx.tx = nil
}
}
db.close()
@ -477,8 +493,6 @@ func (db *SqliteDb) DropAfterBlockBySha(sha *btcwire.ShaHash) (err error) {
db.dbLock.Lock()
defer db.dbLock.Unlock()
db.InvalidateCache()
// This is a destructive operation and involves multiple requests
// so requires a transaction, terminate any transaction to date
// and start a new transaction
@ -491,6 +505,27 @@ func (db *SqliteDb) DropAfterBlockBySha(sha *btcwire.ShaHash) (err error) {
return err
}
var startheight int64
if db.lastBlkShaCached {
startheight = db.lastBlkIdx
} else {
querystr := "SELECT blockid FROM block ORDER BY blockid DESC;"
tx := &db.txState
if tx.tx != nil {
row = tx.tx.QueryRow(querystr)
} else {
row = db.sqldb.QueryRow(querystr)
}
var startblkidx int64
err = row.Scan(&startblkidx)
if err != nil {
log.Warnf("DropAfterBlockBySha:unable to fetch blockheight %v", err)
return err
}
startheight = startblkidx
}
// also drop any cached sha data
db.lastBlkShaCached = false
@ -499,22 +534,61 @@ func (db *SqliteDb) DropAfterBlockBySha(sha *btcwire.ShaHash) (err error) {
tx := &db.txState
row = tx.tx.QueryRow(querystr, sha.Bytes())
var blockidx uint64
err = row.Scan(&blockidx)
var keepidx int64
err = row.Scan(&keepidx)
if err != nil {
// XXX
db.endTx(false)
return err
}
_, err = tx.tx.Exec("DELETE FROM txtmp WHERE blockid > ?", blockidx)
for height := startheight; height > keepidx; height = height - 1 {
var blk *btcutil.Block
blkc, ok := db.fetchBlockHeightCache(height)
if ok {
blk = blkc.blk
} else {
// must load the block from the db
sha, err = db.fetchBlockShaByHeight(height - 1)
if err != nil {
return
}
var buf []byte
var pver uint32
buf, pver, _, err = db.fetchSha(*sha)
if err != nil {
return
}
blk, err = btcutil.NewBlockFromBytes(buf, pver)
if err != nil {
return
}
}
for _, tx := range blk.MsgBlock().Transactions {
err = db.unSpend(tx)
if err != nil {
return
}
}
}
// invalidate the cache after possibly using cached entries for block
// lookup to unspend coins in them
db.InvalidateCache()
_, err = tx.tx.Exec("DELETE FROM txtmp WHERE blockid > ?", keepidx)
if err != nil {
// XXX
db.endTx(false)
return err
}
_, err = tx.tx.Exec("DELETE FROM tx WHERE blockid > ?", blockidx)
_, err = tx.tx.Exec("DELETE FROM tx WHERE blockid > ?", keepidx)
if err != nil {
// XXX
db.endTx(false)
@ -522,7 +596,7 @@ func (db *SqliteDb) DropAfterBlockBySha(sha *btcwire.ShaHash) (err error) {
}
// delete from block last in case of foreign keys
_, err = tx.tx.Exec("DELETE FROM block WHERE blockid > ?", blockidx)
_, err = tx.tx.Exec("DELETE FROM block WHERE blockid > ?", keepidx)
if err != nil {
// XXX
db.endTx(false)
@ -604,6 +678,9 @@ func (db *SqliteDb) InsertBlock(block *btcutil.Block) (height int64, err error)
}
spentbuflen := (len(tx.TxOut) + 7) / 8
spentbuf := make([]byte, spentbuflen, spentbuflen)
for i := uint(len(tx.TxOut) % 8); i < 8; i++ {
spentbuf[spentbuflen-1] |= (byte(1) << i)
}
err = db.insertTx(&txsha, newheight, txloc[txidx].TxStart, txloc[txidx].TxLen, spentbuf)
if err != nil {
@ -612,6 +689,12 @@ func (db *SqliteDb) InsertBlock(block *btcutil.Block) (height int64, err error)
oBlkIdx, _, _, err = db.fetchLocationBySha(&txsha)
log.Warnf("oblkidx %v err %v", oBlkIdx, err)
return
}
err = db.doSpend(tx)
if err != nil {
log.Warnf("block %v idx %v failed to spend tx %v %v err %v", &blocksha, newheight, &txsha, txidx, err)
return
}
}
@ -675,3 +758,100 @@ func (db *SqliteDb) SetDBInsertMode(newmode btcdb.InsertMode) {
db.UseTempTX = false
}
}
func (db *SqliteDb) doSpend(tx *btcwire.MsgTx) error {
for txinidx := range tx.TxIn {
txin := tx.TxIn[txinidx]
inTxSha := txin.PreviousOutpoint.Hash
inTxidx := txin.PreviousOutpoint.Index
if inTxidx == ^uint32(0) {
continue
}
//log.Infof("spending %v %v", &inTxSha, inTxidx)
err := db.setSpentData(&inTxSha, inTxidx)
if err != nil {
return err
}
}
return nil
}
func (db *SqliteDb) unSpend(tx *btcwire.MsgTx) error {
for txinidx := range tx.TxIn {
txin := tx.TxIn[txinidx]
inTxSha := txin.PreviousOutpoint.Hash
inTxidx := txin.PreviousOutpoint.Index
if inTxidx == ^uint32(0) {
continue
}
err := db.clearSpentData(&inTxSha, inTxidx)
if err != nil {
return err
}
}
return nil
}
func (db *SqliteDb) setSpentData(sha *btcwire.ShaHash, idx uint32) error {
return db.setclearSpentData(sha, idx, true)
}
func (db *SqliteDb) clearSpentData(sha *btcwire.ShaHash, idx uint32) error {
return db.setclearSpentData(sha, idx, false)
}
func (db *SqliteDb) setclearSpentData(txsha *btcwire.ShaHash, idx uint32, set bool) error {
var spentdata []byte
usingtmp := false
txop := db.txop(txFetchUsedByShaStmt)
row := txop.QueryRow(txsha.String())
err := row.Scan(&spentdata)
if err != nil {
// if the error is simply didn't fine continue otherwise
// retun failure
usingtmp = true
txop = db.txop(txtmpFetchUsedByShaStmt)
row := txop.QueryRow(txsha.String())
err := row.Scan(&spentdata)
if err != nil {
log.Warnf("Failed to locate spent data - %v %v", txsha, err)
return err
}
}
byteidx := idx / 8
byteoff := idx % 8
interestingsha := txsha.String() == "866504b0d6242c237e484b49c6a5db1c234e9a1547e96b7ba3d690cabccbf6b0"
if interestingsha {
fmt.Printf("txdata was %v ", spentdata)
}
if set {
spentdata[byteidx] |= (byte(1) << byteoff)
} else {
spentdata[byteidx] &= ^(byte(1) << byteoff)
}
txc, cached := db.fetchTxCache(txsha)
if cached {
txc.spent = spentdata
}
if interestingsha {
fmt.Printf("now %v\n", spentdata)
}
if usingtmp {
txop = db.txop(txtmpUpdateUsedByShaStmt)
} else {
txop = db.txop(txUpdateUsedByShaStmt)
}
_, err = txop.Exec(spentdata, txsha.String())
return err
}

View file

@ -94,9 +94,6 @@ func (db *SqliteDb) insertBlockData(sha *btcwire.ShaHash, prevSha *btcwire.ShaHa
func (db *SqliteDb) fetchSha(sha btcwire.ShaHash) (buf []byte, pver uint32,
blkid int64, err error) {
db.dbLock.Lock()
defer db.dbLock.Unlock()
row := db.blkStmts[blkFetchSha].QueryRow(sha.Bytes())
var blockidx int64
@ -154,10 +151,17 @@ func (db *SqliteDb) blkExistsSha(sha *btcwire.ShaHash) bool {
// FetchBlockShaByHeight returns a block hash based on its height in the
// block chain.
func (db *SqliteDb) FetchBlockShaByHeight(height int64) (sha *btcwire.ShaHash, err error) {
var row *sql.Row
db.dbLock.Lock()
defer db.dbLock.Unlock()
return db.fetchBlockShaByHeight(height)
}
// fetchBlockShaByHeight returns a block hash based on its height in the
// block chain.
func (db *SqliteDb) fetchBlockShaByHeight(height int64) (sha *btcwire.ShaHash, err error) {
var row *sql.Row
blockidx := height + 1 // skew between btc blockid and sql
row = db.blkStmts[blkFetchIdx].QueryRow(blockidx)

View file

@ -1,292 +0,0 @@
// Copyright (c) 2013 Conformal Systems LLC.
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package sqlite3_test
import (
"bytes"
"fmt"
"github.com/conformal/btcdb"
"github.com/conformal/btcdb/sqlite3"
"github.com/conformal/btcwire"
"os"
"testing"
)
// array of shas
var testShas []btcwire.ShaHash = []btcwire.ShaHash{
{
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
},
{
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22,
},
{
0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
},
{
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
},
{
0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
},
}
// Work around stupid go vet bug where any non array should have named
// initializers. Since ShaHash is a glorified array it shouldn't matter.
var badShaArray = [32]byte{
0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99, 0x99,
}
var badSha btcwire.ShaHash = btcwire.ShaHash(badShaArray)
var zeroSha = btcwire.ShaHash{}
var zeroBlock []byte = make([]byte, 32)
func compareArray(t *testing.T, one, two []btcwire.ShaHash, test string,
sync string) {
if len(one) != len(two) {
t.Errorf("%s: lengths don't match for arrays (%s)", test, sync)
return
}
for i := range one {
if !one[i].IsEqual(&two[i]) {
t.Errorf("%s: %dth sha doesn't match (%s)", test, i,
sync)
}
}
}
func testNewestSha(t *testing.T, db btcdb.Db, expSha btcwire.ShaHash,
expBlk int64, situation string) {
newestsha, blkid, err := db.NewestSha()
if err != nil {
t.Errorf("NewestSha failed %v (%s)", err, situation)
return
}
if blkid != expBlk {
t.Errorf("NewestSha blkid is %d not %d (%s)", blkid, expBlk,
situation)
}
if !newestsha.IsEqual(&expSha) {
t.Errorf("Newestsha isn't the last sha we inserted %v %v (%s)",
newestsha, &expSha, situation)
}
}
type fetchIdxTest struct {
start int64
end int64
exp []btcwire.ShaHash
test string
}
func testFetch(t *testing.T, db btcdb.Db, shas []btcwire.ShaHash,
sync string) {
// Test the newest sha is what we expect and call it twice to ensure
// caching is working working properly.
numShas := int64(len(shas))
newestSha := shas[numShas-1]
newestBlockID := int64(numShas)
testNewestSha(t, db, newestSha, newestBlockID, sync)
testNewestSha(t, db, newestSha, newestBlockID, sync+" cached")
for i, sha := range shas {
// Add one for genesis block skew.
i = i + 1
// Ensure the sha exists in the db as expected.
if !db.ExistsSha(&sha) {
t.Errorf("testSha %d doesn't exists (%s)", i, sync)
break
}
// Fetch the sha from the db and ensure all fields are expected
// values.
buf, pver, idx, err := sqlite3.FetchSha(db, &sha)
if err != nil {
t.Errorf("Failed to fetch testSha %d (%s)", i, sync)
}
if !bytes.Equal(zeroBlock, buf) {
t.Errorf("testSha %d incorrect block return (%s)", i,
sync)
}
if pver != 1 {
t.Errorf("pver is %d and not 1 for testSha %d (%s)",
pver, i, sync)
}
if idx != int64(i) {
t.Errorf("index isn't as expected %d vs %d (%s)",
idx, i, sync)
}
// Fetch the sha by index and ensure it matches.
tsha, err := db.FetchBlockShaByHeight(int64(i))
if err != nil {
t.Errorf("can't fetch sha at index %d: %v", i, err)
continue
}
if !tsha.IsEqual(&sha) {
t.Errorf("sha for index %d isn't shas[%d]", i, i)
}
}
endBlockID := numShas + 1
midBlockID := endBlockID / 2
fetchIdxTests := []fetchIdxTest{
// All shas.
{1, btcdb.AllShas, shas, "fetch all shas"},
//// All shas using known bounds.
{1, endBlockID, shas, "fetch all shas2"},
// Partial list starting at beginning.
{1, midBlockID, shas[:midBlockID-1], "fetch first half"},
// Partial list ending at end.
{midBlockID, endBlockID, shas[midBlockID-1 : endBlockID-1],
"fetch second half"},
// Nonexistent off the end.
{endBlockID, endBlockID * 2, []btcwire.ShaHash{},
"fetch nonexistent"},
}
for _, test := range fetchIdxTests {
t.Logf("numSha: %d - Fetch from %d to %d\n", numShas, test.start, test.end)
if shalist, err := db.FetchHeightRange(test.start, test.end); err == nil {
compareArray(t, shalist, test.exp, test.test, sync)
} else {
t.Errorf("failed to fetch index range for %s (%s)",
test.test, sync)
}
}
// Try and fetch nonexistent sha.
if db.ExistsSha(&badSha) {
t.Errorf("nonexistent sha exists (%s)!", sync)
}
_, _, _, err := sqlite3.FetchSha(db, &badSha)
if err == nil {
t.Errorf("Success when fetching a bad sha! (%s)", sync)
}
// XXX if not check to see it is the right value?
testIterator(t, db, shas, sync)
}
func testIterator(t *testing.T, db btcdb.Db, shas []btcwire.ShaHash,
sync string) {
// Iterate over the whole list of shas.
iter, err := db.NewIterateBlocks()
if err != nil {
t.Errorf("failed to create iterated blocks")
return
}
// Skip the genesis block.
_ = iter.NextRow()
i := 0
for ; iter.NextRow(); i++ {
key, pver, buf, err := iter.Row()
if err != nil {
t.Errorf("iter.NextRow() failed: %v (%s)", err, sync)
break
}
if i >= len(shas) {
t.Errorf("iterator returned more shas than "+
"expected - %d (%s)", i, sync)
break
}
if !key.IsEqual(&shas[i]) {
t.Errorf("iterator test: %dth sha doesn't match (%s)",
i, sync)
}
if !bytes.Equal(zeroBlock, buf) {
t.Errorf("iterator test: %d buf incorrect (%s)", i,
sync)
}
if pver != 1 {
t.Errorf("iterator: %dth pver is %d and not 1 (%s)",
i, pver, sync)
}
}
if i < len(shas) {
t.Errorf("iterator got no rows on %dth loop, should have %d "+
"(%s)", i, len(shas), sync)
}
if _, _, _, err = iter.Row(); err == nil {
t.Errorf("done iterator didn't return failure")
}
iter.Close()
}
func TestBdb(t *testing.T) {
// Ignore db remove errors since it means we didn't have an old one.
_ = os.Remove("tstdb1")
db, err := btcdb.CreateDB("sqlite", "tstdb1")
if err != nil {
t.Errorf("Failed to open test database %v", err)
return
}
defer os.Remove("tstdb1")
for i := range testShas {
var previous btcwire.ShaHash
if i == 0 {
previous = btcwire.GenesisHash
} else {
previous = testShas[i-1]
}
_, err := db.InsertBlockData(&testShas[i], &previous, 1, zeroBlock)
if err != nil {
t.Errorf("Failed to insert testSha %d. Error: %v",
i, err)
return
}
testFetch(t, db, testShas[0:i+1], "pre sync ")
}
// XXX insert enough so that we hit the transaction limit
// XXX try and insert a with a bad previous
db.Sync()
testFetch(t, db, testShas, "post sync")
for i := len(testShas) - 1; i >= 0; i-- {
err := db.DropAfterBlockBySha(&testShas[i])
if err != nil {
t.Errorf("drop after %d failed %v", i, err)
break
}
testFetch(t, db, testShas[:i+1],
fmt.Sprintf("post DropAfter for sha %d", i))
}
// Just tests that it doesn't crash, no return value
db.Close()
}

View file

@ -7,6 +7,7 @@ package sqlite3
import (
"bytes"
"container/list"
"fmt"
"github.com/conformal/btcdb"
"github.com/conformal/btcutil"
"github.com/conformal/btcwire"
@ -27,14 +28,17 @@ type txCacheObj struct {
blksha btcwire.ShaHash
pver uint32
tx *btcwire.MsgTx
height int64
spent []byte
txbuf []byte
}
type blockCache struct {
maxcount int
fifo list.List
blockMap map[btcwire.ShaHash]*blockCacheObj
cacheLock sync.RWMutex
maxcount int
fifo list.List
blockMap map[btcwire.ShaHash]*blockCacheObj
blockHeightMap map[int64]*blockCacheObj
cacheLock sync.RWMutex
}
type blockCacheObj struct {
@ -45,6 +49,9 @@ type blockCacheObj struct {
// FetchBlockBySha - return a btcutil Block, object may be a cached.
func (db *SqliteDb) FetchBlockBySha(sha *btcwire.ShaHash) (blk *btcutil.Block, err error) {
db.dbLock.Lock()
defer db.dbLock.Unlock()
blkcache, ok := db.fetchBlockCache(sha)
if ok {
return blkcache.blk, nil
@ -78,6 +85,19 @@ func (db *SqliteDb) fetchBlockCache(sha *btcwire.ShaHash) (*blockCacheObj, bool)
return blkobj, true
}
// fetchBlockHeightCache check if a block is in the block cache, if so return it.
func (db *SqliteDb) fetchBlockHeightCache(height int64) (*blockCacheObj, bool) {
db.blockCache.cacheLock.RLock()
defer db.blockCache.cacheLock.RUnlock()
blkobj, ok := db.blockCache.blockHeightMap[height]
if !ok { // could this just return the map deref?
return nil, false
}
return blkobj, true
}
// insertBlockCache insert the given sha/block into the cache map.
// If the block cache is determined to be full, it will release
// an old entry in FIFO order.
@ -96,65 +116,85 @@ func (db *SqliteDb) insertBlockCache(sha *btcwire.ShaHash, blk *btcutil.Block) {
tailObj, ok := listobj.Value.(*blockCacheObj)
if ok {
delete(bc.blockMap, tailObj.sha)
delete(bc.blockHeightMap, tailObj.blk.Height())
} else {
panic("invalid type pushed on blockCache list")
}
}
bc.blockHeightMap[blk.Height()] = &blkObj
bc.blockMap[blkObj.sha] = &blkObj
}
type TxListReply struct {
Sha *btcwire.ShaHash
Tx *btcwire.MsgTx
Err error
}
// FetchTxByShaList given a array of ShaHash, look up the transactions
// and return them in a TxListReply array.
func (db *SqliteDb) FetchTxByShaList(txShaList []*btcwire.ShaHash) []*btcdb.TxListReply {
var replies []*btcdb.TxListReply
for _, txsha := range txShaList {
tx, _, _, err := db.FetchTxBySha(txsha)
txlre := btcdb.TxListReply{Sha: txsha, Tx: tx, Err: err}
tx, _, _, _, height, txspent, err := db.fetchTxDataBySha(txsha)
btxspent := []bool{}
if err == nil {
btxspent = make([]bool, len(tx.TxOut), len(tx.TxOut))
for idx := range tx.TxOut {
byteidx := idx / 8
byteoff := uint(idx % 8)
btxspent[idx] = (txspent[byteidx] & (byte(1) << byteoff)) != 0
}
}
interestingsha := txsha.String() == "866504b0d6242c237e484b49c6a5db1c234e9a1547e96b7ba3d690cabccbf6b"
if interestingsha {
fmt.Printf("usage of sha %v is %v\n", txsha, btxspent)
}
fmt.Printf("usage of sha %v is %v\n", txsha, btxspent)
txlre := btcdb.TxListReply{Sha: txsha, Tx: tx, Height: height, TxSpent: btxspent, Err: err}
replies = append(replies, &txlre)
}
return replies
}
// FetchTxAllBySha returns several pieces of data regarding the given sha.
func (db *SqliteDb) FetchTxAllBySha(txsha *btcwire.ShaHash) (rtx *btcwire.MsgTx, rtxbuf []byte, rpver uint32, rblksha *btcwire.ShaHash, err error) {
// fetchTxDataBySha returns several pieces of data regarding the given sha.
func (db *SqliteDb) fetchTxDataBySha(txsha *btcwire.ShaHash) (rtx *btcwire.MsgTx, rtxbuf []byte, rpver uint32, rblksha *btcwire.ShaHash, rheight int64, rtxspent []byte, err error) {
var pver uint32
var blksha *btcwire.ShaHash
var height int64
var txspent []byte
var toff int
var tlen int
var blk *btcutil.Block
var blkbuf []byte
// Check Tx cache
if txc, ok := db.fetchTxCache(txsha); ok {
return txc.tx, txc.txbuf, txc.pver, &txc.blksha, nil
if txc.spent != nil {
return txc.tx, txc.txbuf, txc.pver, &txc.blksha, txc.height, txc.spent, nil
}
}
// If not cached load it
bidx, toff, tlen, err := db.FetchLocationBySha(txsha)
height, toff, tlen, txspent, err = db.fetchLocationUsedBySha(txsha)
if err != nil {
log.Warnf("unable to find location of origin tx %v", txsha)
return
}
blksha, err := db.FetchBlockShaByHeight(bidx)
blksha, err = db.FetchBlockShaByHeight(height)
if err != nil {
log.Warnf("block idx lookup %v to %v", bidx, err)
log.Warnf("block idx lookup %v to %v", height, err)
return
}
log.Tracef("transaction %v is at block %v %v tx %v",
txsha, blksha, bidx, toff)
txsha, blksha, height, toff)
blk, err := db.FetchBlockBySha(blksha)
blk, err = db.FetchBlockBySha(blksha)
if err != nil {
log.Warnf("unable to fetch block %v %v ",
bidx, &blksha)
height, &blksha)
return
}
blkbuf, pver, err := blk.Bytes()
blkbuf, pver, err = blk.Bytes()
if err != nil {
log.Warnf("unable to decode block %v %v", bidx, &blksha)
log.Warnf("unable to decode block %v %v", height, &blksha)
return
}
@ -166,7 +206,7 @@ func (db *SqliteDb) FetchTxAllBySha(txsha *btcwire.ShaHash) (rtx *btcwire.MsgTx,
err = tx.BtcDecode(rbuf, pver)
if err != nil {
log.Warnf("unable to decode tx block %v %v txoff %v txlen %v",
bidx, &blksha, toff, tlen)
height, &blksha, toff, tlen)
return
}
@ -177,6 +217,76 @@ func (db *SqliteDb) FetchTxAllBySha(txsha *btcwire.ShaHash) (rtx *btcwire.MsgTx,
txc.tx = &tx
txc.txbuf = txbuf
txc.pver = pver
txc.height = height
txc.spent = txspent
txc.blksha = *blksha
db.insertTxCache(&txc)
return &tx, txbuf, pver, blksha, height, txspent, nil
}
// FetchTxAllBySha returns several pieces of data regarding the given sha.
func (db *SqliteDb) FetchTxAllBySha(txsha *btcwire.ShaHash) (rtx *btcwire.MsgTx, rtxbuf []byte, rpver uint32, rblksha *btcwire.ShaHash, err error) {
var pver uint32
var blksha *btcwire.ShaHash
var height int64
var toff int
var tlen int
var blk *btcutil.Block
var blkbuf []byte
// Check Tx cache
if txc, ok := db.fetchTxCache(txsha); ok {
return txc.tx, txc.txbuf, txc.pver, &txc.blksha, nil
}
// If not cached load it
height, toff, tlen, err = db.FetchLocationBySha(txsha)
if err != nil {
return
}
blksha, err = db.FetchBlockShaByHeight(height)
if err != nil {
log.Warnf("block idx lookup %v to %v", height, err)
return
}
log.Tracef("transaction %v is at block %v %v tx %v",
txsha, blksha, height, toff)
blk, err = db.FetchBlockBySha(blksha)
if err != nil {
log.Warnf("unable to fetch block %v %v ",
height, &blksha)
return
}
blkbuf, pver, err = blk.Bytes()
if err != nil {
log.Warnf("unable to decode block %v %v", height, &blksha)
return
}
txbuf := make([]byte, tlen)
copy(txbuf[:], blkbuf[toff:toff+tlen])
rbuf := bytes.NewBuffer(txbuf)
var tx btcwire.MsgTx
err = tx.BtcDecode(rbuf, pver)
if err != nil {
log.Warnf("unable to decode tx block %v %v txoff %v txlen %v",
height, &blksha, toff, tlen)
return
}
// Shove data into TxCache
// XXX -
var txc txCacheObj
txc.sha = *txsha
txc.tx = &tx
txc.txbuf = txbuf
txc.pver = pver
txc.height = height
txc.blksha = *blksha
db.insertTxCache(&txc)
@ -251,6 +361,7 @@ func (db *SqliteDb) InvalidateBlockCache() {
bc.cacheLock.Lock()
defer bc.cacheLock.Unlock()
bc.blockMap = map[btcwire.ShaHash]*blockCacheObj{}
bc.blockHeightMap = map[int64]*blockCacheObj{}
bc.fifo = list.List{}
}

View file

@ -12,16 +12,16 @@ import (
)
// InsertTx inserts a tx hash and its associated data into the database.
func (db *SqliteDb) InsertTx(txsha *btcwire.ShaHash, blockidx int64, txoff int, txlen int, usedbuf []byte) (err error) {
func (db *SqliteDb) InsertTx(txsha *btcwire.ShaHash, height int64, txoff int, txlen int, usedbuf []byte) (err error) {
db.dbLock.Lock()
defer db.dbLock.Unlock()
return db.insertTx(txsha, blockidx, txoff, txlen, usedbuf)
return db.insertTx(txsha, height, txoff, txlen, usedbuf)
}
// insertTx inserts a tx hash and its associated data into the database.
// Must be called with db lock held.
func (db *SqliteDb) insertTx(txsha *btcwire.ShaHash, blockidx int64, txoff int, txlen int, usedbuf []byte) (err error) {
func (db *SqliteDb) insertTx(txsha *btcwire.ShaHash, height int64, txoff int, txlen int, usedbuf []byte) (err error) {
tx := &db.txState
if tx.tx == nil {
@ -30,7 +30,7 @@ func (db *SqliteDb) insertTx(txsha *btcwire.ShaHash, blockidx int64, txoff int,
return
}
}
blockid := blockidx + 1
blockid := height + 1
txd := tTxInsertData{txsha: txsha, blockid: blockid, txoff: txoff, txlen: txlen, usedbuf: usedbuf}
log.Tracef("inserting tx %v for block %v off %v len %v",
@ -84,7 +84,6 @@ func (db *SqliteDb) ExistsTxSha(txsha *btcwire.ShaHash) (exists bool) {
return db.existsTxSha(txsha)
}
// existsTxSha returns if the given tx sha exists in the database.o
// Must be called with the db lock held.
func (db *SqliteDb) existsTxSha(txsha *btcwire.ShaHash) (exists bool) {
@ -126,7 +125,7 @@ func (db *SqliteDb) FetchLocationBySha(txsha *btcwire.ShaHash) (blockidx int64,
// fetchLocationBySha look up the Tx sha information by name.
// Must be called with db lock held.
func (db *SqliteDb) fetchLocationBySha(txsha *btcwire.ShaHash) (blockidx int64, txoff int, txlen int, err error) {
func (db *SqliteDb) fetchLocationBySha(txsha *btcwire.ShaHash) (height int64, txoff int, txlen int, err error) {
var row *sql.Row
var blockid int64
var ttxoff int
@ -156,12 +155,49 @@ func (db *SqliteDb) fetchLocationBySha(txsha *btcwire.ShaHash) (blockidx int64,
log.Warnf("FetchLocationBySha: fail %v", err)
return
}
blockidx = blockid - 1
height = blockid - 1
txoff = ttxoff
txlen = ttxlen
return
}
// fetchLocationUsedBySha look up the Tx sha information by name.
// Must be called with db lock held.
func (db *SqliteDb) fetchLocationUsedBySha(txsha *btcwire.ShaHash) (rheight int64, rtxoff int, rtxlen int, rspentbuf []byte, err error) {
var row *sql.Row
var blockid int64
var txoff int
var txlen int
var txspent []byte
rowBytes := txsha.String()
txop := db.txop(txFetchLocUsedByShaStmt)
row = txop.QueryRow(rowBytes)
err = row.Scan(&blockid, &txoff, &txlen, &txspent)
if err == sql.ErrNoRows {
txop = db.txop(txtmpFetchLocUsedByShaStmt)
row = txop.QueryRow(rowBytes)
err = row.Scan(&blockid, &txoff, &txlen, &txspent)
if err == sql.ErrNoRows {
err = btcdb.TxShaMissing
return
}
if err != nil {
log.Warnf("txtmp FetchLocationBySha: fail %v",
err)
return
}
}
if err != nil {
log.Warnf("FetchLocationBySha: fail %v", err)
return
}
height := blockid - 1
return height, txoff, txlen, txspent, nil
}
// FetchTxUsedBySha returns the used/spent buffer for a given transaction.
func (db *SqliteDb) FetchTxUsedBySha(txsha *btcwire.ShaHash) (spentbuf []byte, err error) {
var row *sql.Row