lbcwallet/wtxmgr/tx_test.go

2265 lines
61 KiB
Go

// Copyright (c) 2013-2017 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package wtxmgr
import (
"bytes"
"encoding/hex"
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcutil"
"github.com/btcsuite/btcwallet/walletdb"
_ "github.com/btcsuite/btcwallet/walletdb/bdb"
)
// Received transaction output for mainnet outpoint
// 61d3696de4c888730cbe06b0ad8ecb6d72d6108e893895aa9bc067bd7eba3fad:0
var (
TstRecvSerializedTx, _ = hex.DecodeString("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")
TstRecvTx, _ = btcutil.NewTxFromBytes(TstRecvSerializedTx)
TstRecvTxSpendingTxBlockHash, _ = chainhash.NewHashFromStr("00000000000000017188b968a371bab95aa43522665353b646e41865abae02a4")
TstRecvAmt = int64(10000000)
TstRecvTxBlockDetails = &BlockMeta{
Block: Block{Hash: *TstRecvTxSpendingTxBlockHash, Height: 276425},
Time: time.Unix(1387737310, 0),
}
TstRecvCurrentHeight = int32(284498) // mainnet blockchain height at time of writing
TstRecvTxOutConfirms = 8074 // hardcoded number of confirmations given the above block height
TstSpendingSerializedTx, _ = hex.DecodeString("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")
TstSpendingTx, _ = btcutil.NewTxFromBytes(TstSpendingSerializedTx)
TstSpendingTxBlockHeight = int32(279143)
TstSignedTxBlockHash, _ = chainhash.NewHashFromStr("00000000000000017188b968a371bab95aa43522665353b646e41865abae02a4")
TstSignedTxBlockDetails = &BlockMeta{
Block: Block{Hash: *TstSignedTxBlockHash, Height: TstSpendingTxBlockHeight},
Time: time.Unix(1389114091, 0),
}
)
func testDB() (walletdb.DB, func(), error) {
tmpDir, err := ioutil.TempDir("", "wtxmgr_test")
if err != nil {
return nil, func() {}, err
}
db, err := walletdb.Create("bdb", filepath.Join(tmpDir, "db"), true)
return db, func() { os.RemoveAll(tmpDir) }, err
}
var namespaceKey = []byte("txstore")
func testStore() (*Store, walletdb.DB, func(), error) {
tmpDir, err := ioutil.TempDir("", "wtxmgr_test")
if err != nil {
return nil, nil, func() {}, err
}
db, err := walletdb.Create("bdb", filepath.Join(tmpDir, "db"), true)
if err != nil {
os.RemoveAll(tmpDir)
return nil, nil, nil, err
}
teardown := func() {
db.Close()
os.RemoveAll(tmpDir)
}
var s *Store
err = walletdb.Update(db, func(tx walletdb.ReadWriteTx) error {
ns, err := tx.CreateTopLevelBucket(namespaceKey)
if err != nil {
return err
}
err = Create(ns)
if err != nil {
return err
}
s, err = Open(ns, &chaincfg.TestNet3Params)
return err
})
return s, db, teardown, err
}
func serializeTx(tx *btcutil.Tx) []byte {
var buf bytes.Buffer
err := tx.MsgTx().Serialize(&buf)
if err != nil {
panic(err)
}
return buf.Bytes()
}
func TestInsertsCreditsDebitsRollbacks(t *testing.T) {
t.Parallel()
// Create a double spend of the received blockchain transaction.
dupRecvTx, _ := btcutil.NewTxFromBytes(TstRecvSerializedTx)
// Switch txout amount to 1 BTC. Transaction store doesn't
// validate txs, so this is fine for testing a double spend
// removal.
TstDupRecvAmount := int64(1e8)
newDupMsgTx := dupRecvTx.MsgTx()
newDupMsgTx.TxOut[0].Value = TstDupRecvAmount
TstDoubleSpendTx := btcutil.NewTx(newDupMsgTx)
TstDoubleSpendSerializedTx := serializeTx(TstDoubleSpendTx)
// Create a "signed" (with invalid sigs) tx that spends output 0 of
// the double spend.
spendingTx := wire.NewMsgTx(wire.TxVersion)
spendingTxIn := wire.NewTxIn(wire.NewOutPoint(TstDoubleSpendTx.Hash(), 0), []byte{0, 1, 2, 3, 4}, nil)
spendingTx.AddTxIn(spendingTxIn)
spendingTxOut1 := wire.NewTxOut(1e7, []byte{5, 6, 7, 8, 9})
spendingTxOut2 := wire.NewTxOut(9e7, []byte{10, 11, 12, 13, 14})
spendingTx.AddTxOut(spendingTxOut1)
spendingTx.AddTxOut(spendingTxOut2)
TstSpendingTx := btcutil.NewTx(spendingTx)
TstSpendingSerializedTx := serializeTx(TstSpendingTx)
var _ = TstSpendingTx
tests := []struct {
name string
f func(*Store, walletdb.ReadWriteBucket) (*Store, error)
bal, unc btcutil.Amount
unspents map[wire.OutPoint]struct{}
unmined map[chainhash.Hash]struct{}
}{
{
name: "new store",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
return s, nil
},
bal: 0,
unc: 0,
unspents: map[wire.OutPoint]struct{}{},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "txout insert",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, nil)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, nil, 0, false)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstRecvTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstRecvTx.Hash(): {},
},
},
{
name: "insert duplicate unconfirmed",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, nil)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, nil, 0, false)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstRecvTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstRecvTx.Hash(): {},
},
},
{
name: "confirmed txout insert",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstRecvTxBlockDetails)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, TstRecvTxBlockDetails, 0, false)
return s, err
},
bal: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstRecvTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "insert duplicate confirmed",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstRecvTxBlockDetails)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, TstRecvTxBlockDetails, 0, false)
return s, err
},
bal: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstRecvTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "rollback confirmed credit",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
err := s.Rollback(ns, TstRecvTxBlockDetails.Height)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstRecvTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstRecvTx.Hash(): {},
},
},
{
name: "insert confirmed double spend",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstDoubleSpendSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstRecvTxBlockDetails)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, TstRecvTxBlockDetails, 0, false)
return s, err
},
bal: btcutil.Amount(TstDoubleSpendTx.MsgTx().TxOut[0].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstDoubleSpendTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "insert unconfirmed debit",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, nil)
return s, err
},
bal: 0,
unc: 0,
unspents: map[wire.OutPoint]struct{}{},
unmined: map[chainhash.Hash]struct{}{
*TstSpendingTx.Hash(): {},
},
},
{
name: "insert unconfirmed debit again",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstDoubleSpendSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstRecvTxBlockDetails)
return s, err
},
bal: 0,
unc: 0,
unspents: map[wire.OutPoint]struct{}{},
unmined: map[chainhash.Hash]struct{}{
*TstSpendingTx.Hash(): {},
},
},
{
name: "insert change (index 0)",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, nil)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, nil, 0, true)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstSpendingTx.Hash(),
Index: 0,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstSpendingTx.Hash(): {},
},
},
{
name: "insert output back to this own wallet (index 1)",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, nil)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, nil, 1, true)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value + TstSpendingTx.MsgTx().TxOut[1].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstSpendingTx.Hash(),
Index: 0,
}: {},
{
Hash: *TstSpendingTx.Hash(),
Index: 1,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstSpendingTx.Hash(): {},
},
},
{
name: "confirm signed tx",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstSignedTxBlockDetails)
return s, err
},
bal: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value + TstSpendingTx.MsgTx().TxOut[1].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstSpendingTx.Hash(),
Index: 0,
}: {},
{
Hash: *TstSpendingTx.Hash(),
Index: 1,
}: {},
},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "rollback after spending tx",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
err := s.Rollback(ns, TstSignedTxBlockDetails.Height+1)
return s, err
},
bal: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value + TstSpendingTx.MsgTx().TxOut[1].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstSpendingTx.Hash(),
Index: 0,
}: {},
{
Hash: *TstSpendingTx.Hash(),
Index: 1,
}: {},
},
unmined: map[chainhash.Hash]struct{}{},
},
{
name: "rollback spending tx block",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
err := s.Rollback(ns, TstSignedTxBlockDetails.Height)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value + TstSpendingTx.MsgTx().TxOut[1].Value),
unspents: map[wire.OutPoint]struct{}{
{
Hash: *TstSpendingTx.Hash(),
Index: 0,
}: {},
{
Hash: *TstSpendingTx.Hash(),
Index: 1,
}: {},
},
unmined: map[chainhash.Hash]struct{}{
*TstSpendingTx.Hash(): {},
},
},
{
name: "rollback double spend tx block",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
err := s.Rollback(ns, TstRecvTxBlockDetails.Height)
return s, err
},
bal: 0,
unc: btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value + TstSpendingTx.MsgTx().TxOut[1].Value),
unspents: map[wire.OutPoint]struct{}{
*wire.NewOutPoint(TstSpendingTx.Hash(), 0): {},
*wire.NewOutPoint(TstSpendingTx.Hash(), 1): {},
},
unmined: map[chainhash.Hash]struct{}{
*TstDoubleSpendTx.Hash(): {},
*TstSpendingTx.Hash(): {},
},
},
{
name: "insert original recv txout",
f: func(s *Store, ns walletdb.ReadWriteBucket) (*Store, error) {
rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
return nil, err
}
err = s.InsertTx(ns, rec, TstRecvTxBlockDetails)
if err != nil {
return nil, err
}
err = s.AddCredit(ns, rec, TstRecvTxBlockDetails, 0, false)
return s, err
},
bal: btcutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
unc: 0,
unspents: map[wire.OutPoint]struct{}{
*wire.NewOutPoint(TstRecvTx.Hash(), 0): {},
},
unmined: map[chainhash.Hash]struct{}{},
},
}
s, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
for _, test := range tests {
err := walletdb.Update(db, func(tx walletdb.ReadWriteTx) error {
ns := tx.ReadWriteBucket(namespaceKey)
tmpStore, err := test.f(s, ns)
if err != nil {
t.Fatalf("%s: got error: %v", test.name, err)
}
s = tmpStore
bal, err := s.Balance(ns, 1, TstRecvCurrentHeight)
if err != nil {
t.Fatalf("%s: Confirmed Balance failed: %v", test.name, err)
}
if bal != test.bal {
t.Fatalf("%s: balance mismatch: expected: %d, got: %d", test.name, test.bal, bal)
}
unc, err := s.Balance(ns, 0, TstRecvCurrentHeight)
if err != nil {
t.Fatalf("%s: Unconfirmed Balance failed: %v", test.name, err)
}
unc -= bal
if unc != test.unc {
t.Fatalf("%s: unconfirmed balance mismatch: expected %d, got %d", test.name, test.unc, unc)
}
// Check that unspent outputs match expected.
unspent, err := s.UnspentOutputs(ns)
if err != nil {
t.Fatalf("%s: failed to fetch unspent outputs: %v", test.name, err)
}
for _, cred := range unspent {
if _, ok := test.unspents[cred.OutPoint]; !ok {
t.Errorf("%s: unexpected unspent output: %v", test.name, cred.OutPoint)
}
delete(test.unspents, cred.OutPoint)
}
if len(test.unspents) != 0 {
t.Fatalf("%s: missing expected unspent output(s)", test.name)
}
// Check that unmined txs match expected.
unmined, err := s.UnminedTxs(ns)
if err != nil {
t.Fatalf("%s: cannot load unmined transactions: %v", test.name, err)
}
for _, tx := range unmined {
txHash := tx.TxHash()
if _, ok := test.unmined[txHash]; !ok {
t.Fatalf("%s: unexpected unmined tx: %v", test.name, txHash)
}
delete(test.unmined, txHash)
}
if len(test.unmined) != 0 {
t.Fatalf("%s: missing expected unmined tx(s)", test.name)
}
return nil
})
if err != nil {
t.Fatal(err)
}
}
}
func TestFindingSpentCredits(t *testing.T) {
t.Parallel()
s, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
dbtx, err := db.BeginReadWriteTx()
if err != nil {
t.Fatal(err)
}
defer dbtx.Commit()
ns := dbtx.ReadWriteBucket(namespaceKey)
// Insert transaction and credit which will be spent.
recvRec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, recvRec, TstRecvTxBlockDetails)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, recvRec, TstRecvTxBlockDetails, 0, false)
if err != nil {
t.Fatal(err)
}
// Insert confirmed transaction which spends the above credit.
spendingRec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spendingRec, TstSignedTxBlockDetails)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spendingRec, TstSignedTxBlockDetails, 0, false)
if err != nil {
t.Fatal(err)
}
bal, err := s.Balance(ns, 1, TstSignedTxBlockDetails.Height)
if err != nil {
t.Fatal(err)
}
expectedBal := btcutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value)
if bal != expectedBal {
t.Fatalf("bad balance: %v != %v", bal, expectedBal)
}
unspents, err := s.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
op := wire.NewOutPoint(TstSpendingTx.Hash(), 0)
if unspents[0].OutPoint != *op {
t.Fatal("unspent outpoint doesn't match expected")
}
if len(unspents) > 1 {
t.Fatal("has more than one unspent credit")
}
}
func newCoinBase(outputValues ...int64) *wire.MsgTx {
tx := wire.MsgTx{
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{Index: ^uint32(0)},
},
},
}
for _, val := range outputValues {
tx.TxOut = append(tx.TxOut, &wire.TxOut{Value: val})
}
return &tx
}
func spendOutput(txHash *chainhash.Hash, index uint32, outputValues ...int64) *wire.MsgTx {
tx := wire.MsgTx{
TxIn: []*wire.TxIn{
{
PreviousOutPoint: wire.OutPoint{Hash: *txHash, Index: index},
},
},
}
for _, val := range outputValues {
tx.TxOut = append(tx.TxOut, &wire.TxOut{Value: val})
}
return &tx
}
func spendOutputs(outputs []wire.OutPoint, outputValues ...int64) *wire.MsgTx {
tx := &wire.MsgTx{}
for _, output := range outputs {
tx.TxIn = append(tx.TxIn, &wire.TxIn{PreviousOutPoint: output})
}
for _, value := range outputValues {
tx.TxOut = append(tx.TxOut, &wire.TxOut{Value: value})
}
return tx
}
func TestCoinbases(t *testing.T) {
t.Parallel()
s, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
dbtx, err := db.BeginReadWriteTx()
if err != nil {
t.Fatal(err)
}
defer dbtx.Commit()
ns := dbtx.ReadWriteBucket(namespaceKey)
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(20e8, 10e8, 30e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
// Insert coinbase and mark outputs 0 and 2 as credits.
err = s.InsertTx(ns, cbRec, &b100)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, cbRec, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, cbRec, &b100, 2, false)
if err != nil {
t.Fatal(err)
}
coinbaseMaturity := int32(chaincfg.TestNet3Params.CoinbaseMaturity)
// Balance should be 0 if the coinbase is immature, 50 BTC at and beyond
// maturity.
//
// Outputs when depth is below maturity are never included, no matter
// the required number of confirmations. Matured outputs which have
// greater depth than minConf are still excluded.
type balTest struct {
height int32
minConf int32
bal btcutil.Amount
}
balTests := []balTest{
// Next block it is still immature
{
height: b100.Height + coinbaseMaturity - 2,
minConf: 0,
bal: 0,
},
{
height: b100.Height + coinbaseMaturity - 2,
minConf: coinbaseMaturity,
bal: 0,
},
// Next block it matures
{
height: b100.Height + coinbaseMaturity - 1,
minConf: 0,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: 1,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: coinbaseMaturity - 1,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: coinbaseMaturity,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: coinbaseMaturity + 1,
bal: 0,
},
// Matures at this block
{
height: b100.Height + coinbaseMaturity,
minConf: 0,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: 1,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity + 1,
bal: 50e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity + 2,
bal: 0,
},
}
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks after inserting coinbase")
}
// Spend an output from the coinbase tx in an unmined transaction when
// the next block will mature the coinbase.
spenderATime := time.Now()
spenderA := spendOutput(&cbRec.Hash, 0, 5e8, 15e8)
spenderARec, err := NewTxRecordFromMsgTx(spenderA, spenderATime)
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spenderARec, nil)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderARec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
balTests = []balTest{
// Next block it matures
{
height: b100.Height + coinbaseMaturity - 1,
minConf: 0,
bal: 35e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: 1,
bal: 30e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: coinbaseMaturity,
bal: 30e8,
},
{
height: b100.Height + coinbaseMaturity - 1,
minConf: coinbaseMaturity + 1,
bal: 0,
},
// Matures at this block
{
height: b100.Height + coinbaseMaturity,
minConf: 0,
bal: 35e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: 1,
bal: 30e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity,
bal: 30e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity + 1,
bal: 30e8,
},
{
height: b100.Height + coinbaseMaturity,
minConf: coinbaseMaturity + 2,
bal: 0,
},
}
balTestsBeforeMaturity := balTests
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks after spending coinbase with unmined transaction")
}
// Mine the spending transaction in the block the coinbase matures.
bMaturity := BlockMeta{
Block: Block{Height: b100.Height + coinbaseMaturity},
Time: time.Now(),
}
err = s.InsertTx(ns, spenderARec, &bMaturity)
if err != nil {
t.Fatal(err)
}
balTests = []balTest{
// Maturity height
{
height: bMaturity.Height,
minConf: 0,
bal: 35e8,
},
{
height: bMaturity.Height,
minConf: 1,
bal: 35e8,
},
{
height: bMaturity.Height,
minConf: 2,
bal: 30e8,
},
{
height: bMaturity.Height,
minConf: coinbaseMaturity,
bal: 30e8,
},
{
height: bMaturity.Height,
minConf: coinbaseMaturity + 1,
bal: 30e8,
},
{
height: bMaturity.Height,
minConf: coinbaseMaturity + 2,
bal: 0,
},
// Next block after maturity height
{
height: bMaturity.Height + 1,
minConf: 0,
bal: 35e8,
},
{
height: bMaturity.Height + 1,
minConf: 2,
bal: 35e8,
},
{
height: bMaturity.Height + 1,
minConf: 3,
bal: 30e8,
},
{
height: bMaturity.Height + 1,
minConf: coinbaseMaturity + 2,
bal: 30e8,
},
{
height: bMaturity.Height + 1,
minConf: coinbaseMaturity + 3,
bal: 0,
},
}
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks mining coinbase spending transaction")
}
// Create another spending transaction which spends the credit from the
// first spender. This will be used to test removing the entire
// conflict chain when the coinbase is later reorged out.
//
// Use the same output amount as spender A and mark it as a credit.
// This will mean the balance tests should report identical results.
spenderBTime := time.Now()
spenderB := spendOutput(&spenderARec.Hash, 0, 5e8)
spenderBRec, err := NewTxRecordFromMsgTx(spenderB, spenderBTime)
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spenderBRec, &bMaturity)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderBRec, &bMaturity, 0, false)
if err != nil {
t.Fatal(err)
}
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks mining second spending transaction")
}
// Reorg out the block that matured the coinbase and check balances
// again.
err = s.Rollback(ns, bMaturity.Height)
if err != nil {
t.Fatal(err)
}
balTests = balTestsBeforeMaturity
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks after reorging maturity block")
}
// Reorg out the block which contained the coinbase. There should be no
// more transactions in the store (since the previous outputs referenced
// by the spending tx no longer exist), and the balance will always be
// zero.
err = s.Rollback(ns, b100.Height)
if err != nil {
t.Fatal(err)
}
balTests = []balTest{
// Current height
{
height: b100.Height - 1,
minConf: 0,
bal: 0,
},
{
height: b100.Height - 1,
minConf: 1,
bal: 0,
},
// Next height
{
height: b100.Height,
minConf: 0,
bal: 0,
},
{
height: b100.Height,
minConf: 1,
bal: 0,
},
}
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks after reorging coinbase block")
}
unminedTxs, err := s.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 0 {
t.Fatalf("Should have no unmined transactions after coinbase reorg, found %d", len(unminedTxs))
}
}
// Test moving multiple transactions from unmined buckets to the same block.
func TestMoveMultipleToSameBlock(t *testing.T) {
t.Parallel()
s, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
dbtx, err := db.BeginReadWriteTx()
if err != nil {
t.Fatal(err)
}
defer dbtx.Commit()
ns := dbtx.ReadWriteBucket(namespaceKey)
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(20e8, 30e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
// Insert coinbase and mark both outputs as credits.
err = s.InsertTx(ns, cbRec, &b100)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, cbRec, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, cbRec, &b100, 1, false)
if err != nil {
t.Fatal(err)
}
// Create and insert two unmined transactions which spend both coinbase
// outputs.
spenderATime := time.Now()
spenderA := spendOutput(&cbRec.Hash, 0, 1e8, 2e8, 18e8)
spenderARec, err := NewTxRecordFromMsgTx(spenderA, spenderATime)
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spenderARec, nil)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderARec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderARec, nil, 1, false)
if err != nil {
t.Fatal(err)
}
spenderBTime := time.Now()
spenderB := spendOutput(&cbRec.Hash, 1, 4e8, 8e8, 18e8)
spenderBRec, err := NewTxRecordFromMsgTx(spenderB, spenderBTime)
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spenderBRec, nil)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderBRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
err = s.AddCredit(ns, spenderBRec, nil, 1, false)
if err != nil {
t.Fatal(err)
}
coinbaseMaturity := int32(chaincfg.TestNet3Params.CoinbaseMaturity)
// Mine both transactions in the block that matures the coinbase.
bMaturity := BlockMeta{
Block: Block{Height: b100.Height + coinbaseMaturity},
Time: time.Now(),
}
err = s.InsertTx(ns, spenderARec, &bMaturity)
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, spenderBRec, &bMaturity)
if err != nil {
t.Fatal(err)
}
// Check that both transactions can be queried at the maturity block.
detailsA, err := s.UniqueTxDetails(ns, &spenderARec.Hash, &bMaturity.Block)
if err != nil {
t.Fatal(err)
}
if detailsA == nil {
t.Fatal("No details found for first spender")
}
detailsB, err := s.UniqueTxDetails(ns, &spenderBRec.Hash, &bMaturity.Block)
if err != nil {
t.Fatal(err)
}
if detailsB == nil {
t.Fatal("No details found for second spender")
}
// Verify that the balance was correctly updated on the block record
// append and that no unmined transactions remain.
balTests := []struct {
height int32
minConf int32
bal btcutil.Amount
}{
// Maturity height
{
height: bMaturity.Height,
minConf: 0,
bal: 15e8,
},
{
height: bMaturity.Height,
minConf: 1,
bal: 15e8,
},
{
height: bMaturity.Height,
minConf: 2,
bal: 0,
},
// Next block after maturity height
{
height: bMaturity.Height + 1,
minConf: 0,
bal: 15e8,
},
{
height: bMaturity.Height + 1,
minConf: 2,
bal: 15e8,
},
{
height: bMaturity.Height + 1,
minConf: 3,
bal: 0,
},
}
for i, tst := range balTests {
bal, err := s.Balance(ns, tst.minConf, tst.height)
if err != nil {
t.Fatalf("Balance test %d: Store.Balance failed: %v", i, err)
}
if bal != tst.bal {
t.Errorf("Balance test %d: Got %v Expected %v", i, bal, tst.bal)
}
}
if t.Failed() {
t.Fatal("Failed balance checks after moving both coinbase spenders")
}
unminedTxs, err := s.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 0 {
t.Fatalf("Should have no unmined transactions mining both, found %d", len(unminedTxs))
}
}
// Test the optional-ness of the serialized transaction in a TxRecord.
// NewTxRecord and NewTxRecordFromMsgTx both save the serialized transaction, so
// manually strip it out to test this code path.
func TestInsertUnserializedTx(t *testing.T) {
t.Parallel()
s, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
dbtx, err := db.BeginReadWriteTx()
if err != nil {
t.Fatal(err)
}
defer dbtx.Commit()
ns := dbtx.ReadWriteBucket(namespaceKey)
tx := newCoinBase(50e8)
rec, err := NewTxRecordFromMsgTx(tx, timeNow())
if err != nil {
t.Fatal(err)
}
b100 := makeBlockMeta(100)
err = s.InsertTx(ns, stripSerializedTx(rec), &b100)
if err != nil {
t.Fatalf("Insert for stripped TxRecord failed: %v", err)
}
// Ensure it can be retreived successfully.
details, err := s.UniqueTxDetails(ns, &rec.Hash, &b100.Block)
if err != nil {
t.Fatal(err)
}
rec2, err := NewTxRecordFromMsgTx(&details.MsgTx, rec.Received)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(rec.SerializedTx, rec2.SerializedTx) {
t.Fatal("Serialized txs for coinbase do not match")
}
// Now test that path with an unmined transaction.
tx = spendOutput(&rec.Hash, 0, 50e8)
rec, err = NewTxRecordFromMsgTx(tx, timeNow())
if err != nil {
t.Fatal(err)
}
err = s.InsertTx(ns, rec, nil)
if err != nil {
t.Fatal(err)
}
details, err = s.UniqueTxDetails(ns, &rec.Hash, nil)
if err != nil {
t.Fatal(err)
}
rec2, err = NewTxRecordFromMsgTx(&details.MsgTx, rec.Received)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(rec.SerializedTx, rec2.SerializedTx) {
t.Fatal("Serialized txs for coinbase spender do not match")
}
}
// TestRemoveUnminedTx tests that if we add an umined transaction, then we're
// able to remove that unmined transaction later along with any of its
// descendants. Any balance modifications due to the unmined transaction should
// be revered.
func TestRemoveUnminedTx(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := &BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
initialBalance := int64(1e8)
cb := newCoinBase(initialBalance)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec, b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec, b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Determine the maturity height for the coinbase output created.
coinbaseMaturity := int32(chaincfg.TestNet3Params.CoinbaseMaturity)
maturityHeight := b100.Block.Height + coinbaseMaturity
// checkBalance is a helper function that compares the balance of the
// store with the expected value. The includeUnconfirmed boolean can be
// used to include the unconfirmed balance as a part of the total
// balance.
checkBalance := func(expectedBalance btcutil.Amount,
includeUnconfirmed bool) {
t.Helper()
minConfs := int32(1)
if includeUnconfirmed {
minConfs = 0
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
t.Helper()
b, err := store.Balance(ns, minConfs, maturityHeight)
if err != nil {
t.Fatalf("unable to retrieve balance: %v", err)
}
if b != expectedBalance {
t.Fatalf("expected balance of %d, got %d",
expectedBalance, b)
}
})
}
// Since we don't have any unconfirmed transactions within the store,
// the total balance reflecting confirmed and unconfirmed outputs should
// match the initial balance.
checkBalance(btcutil.Amount(initialBalance), false)
checkBalance(btcutil.Amount(initialBalance), true)
// Then, we'll create an unconfirmed spend for the coinbase output and
// insert it into the store.
b101 := &BlockMeta{
Block: Block{Height: 201},
Time: time.Now(),
}
changeAmount := int64(4e7)
spendTx := spendOutput(&cbRec.Hash, 0, 5e7, changeAmount)
spendTxRec, err := NewTxRecordFromMsgTx(spendTx, b101.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, spendTxRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, spendTxRec, nil, 1, true)
if err != nil {
t.Fatal(err)
}
})
// With the unconfirmed spend inserted into the store, we'll query it
// for its unconfirmed tranasctions to ensure it was properly added.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatalf("unable to query for unmined txs: %v", err)
}
if len(unminedTxs) != 1 {
t.Fatalf("expected 1 mined tx, instead got %v",
len(unminedTxs))
}
unminedTxHash := unminedTxs[0].TxHash()
spendTxHash := spendTx.TxHash()
if !unminedTxHash.IsEqual(&spendTxHash) {
t.Fatalf("mismatch tx hashes: expected %v, got %v",
spendTxHash, unminedTxHash)
}
})
// Now that an unconfirmed spend exists, there should no longer be any
// confirmed balance. The total balance should now all be unconfirmed
// and it should match the change amount of the unconfirmed spend
// tranasction.
checkBalance(0, false)
checkBalance(btcutil.Amount(changeAmount), true)
// Now, we'll remove the unconfirmed spend tranaction from the store.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.RemoveUnminedTx(ns, spendTxRec); err != nil {
t.Fatal(err)
}
})
// We'll query the store one last time for its unconfirmed transactions
// to ensure the unconfirmed spend was properly removed above.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatalf("unable to query for unmined txs: %v", err)
}
if len(unminedTxs) != 0 {
t.Fatalf("expected 0 mined txs, instead got %v",
len(unminedTxs))
}
})
// Finally, the total balance (including confirmed and unconfirmed)
// should once again match the initial balance, as the uncofirmed spend
// has already been removed.
checkBalance(btcutil.Amount(initialBalance), false)
checkBalance(btcutil.Amount(initialBalance), true)
}
// TestInsertMempoolTxAlreadyConfirmed ensures that transactions that already
// exist within the store as confirmed cannot be added as unconfirmed.
func TestInsertMempoolTxAlreadyConfirmed(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := &BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
tx := newCoinBase(1e8)
txRec, err := NewTxRecordFromMsgTx(tx, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, txRec, b100); err != nil {
t.Fatal(err)
}
})
// checkStore is a helper we'll use to ensure the transaction only
// exists within the store's confirmed bucket.
checkStore := func() {
t.Helper()
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if existsRawUnmined(ns, txRec.Hash[:]) != nil {
t.Fatalf("expected transaction to not exist " +
"in unconfirmed bucket")
}
_, v := existsTxRecord(ns, &txRec.Hash, &b100.Block)
if v == nil {
t.Fatalf("expected transaction to exist in " +
"confirmed bucket")
}
})
}
checkStore()
// Inserting the transaction again as unconfirmed should result in a
// NOP, i.e., no error should be returned and no disk modifications are
// needed.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, txRec, nil); err != nil {
t.Fatal(err)
}
})
checkStore()
}
// TestInsertMempoolTxAfterSpentOutput ensures that transactions that were
// both confirmed and spent cannot be added as unconfirmed.
func TestInsertMempoolTxAfterSpentOutput(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// First we add a confirmed transaction to the wallet.
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(1e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec, &b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Then create a transaction that spends the previous tx output.
b101 := BlockMeta{
Block: Block{Height: 101},
Time: time.Now(),
}
amt := int64(1e7)
spend := spendOutput(&cbRec.Hash, 0, amt)
spendRec, err := NewTxRecordFromMsgTx(spend, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
// We add the spending tx to the wallet as confirmed.
err := store.InsertTx(ns, spendRec, &b101)
if err != nil {
t.Fatal(err)
}
err = store.AddCredit(ns, spendRec, &b101, 0, false)
if err != nil {
t.Fatal(err)
}
// We now adding the original transaction as mempool to simulate
// a real case where trying to broadcast a tx after it has been
// confirmed and spent.
if err := store.InsertTx(ns, cbRec, nil); err != nil {
t.Fatal(err)
}
err = store.AddCredit(ns, cbRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// now we check that there no unminedCredit exists for the original tx.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
k := canonicalOutPoint(&cbRec.Hash, 0)
if existsRawUnminedCredit(ns, k) != nil {
t.Fatalf("expected output to not exist " +
"in unmined credit bucket")
}
})
}
// TestOutputsAfterRemoveDoubleSpend ensures that when we remove a transaction
// that double spends an existing output within the wallet, it doesn't remove
// any other spending transactions of the same output.
func TestOutputsAfterRemoveDoubleSpend(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(1e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec, &b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// We'll create three spending transactions for the same output and add
// them to the store.
const numSpendRecs = 3
spendRecs := make([]*TxRecord, 0, numSpendRecs)
for i := 0; i < numSpendRecs; i++ {
amt := int64((i + 1) * 1e7)
spend := spendOutput(&cbRec.Hash, 0, amt)
spendRec, err := NewTxRecordFromMsgTx(spend, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
err := store.InsertTx(ns, spendRec, nil)
if err != nil {
t.Fatal(err)
}
err = store.AddCredit(ns, spendRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
spendRecs = append(spendRecs, spendRec)
}
// checkOutputs is a helper closure we'll use to ensure none of the
// other outputs from spending transactions have been removed from the
// store just because we removed one of the spending transactions.
checkOutputs := func(txs ...*TxRecord) {
t.Helper()
ops := make(map[wire.OutPoint]struct{})
for _, tx := range txs {
for i := range tx.MsgTx.TxOut {
ops[wire.OutPoint{
Hash: tx.Hash,
Index: uint32(i),
}] = struct{}{}
}
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
t.Helper()
outputs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatalf("unable to get unspent outputs: %v", err)
}
if len(outputs) != len(ops) {
t.Fatalf("expected %d outputs, got %d", len(ops),
len(outputs))
}
for _, output := range outputs {
op := output.OutPoint
if _, ok := ops[op]; !ok {
t.Fatalf("found unexpected output %v", op)
}
}
})
}
// All of the outputs of our spending transactions should exist.
checkOutputs(spendRecs...)
// We'll then remove the last transaction we crafted from the store and
// check our outputs again to ensure they still exist.
spendToRemove := spendRecs[numSpendRecs-1]
spendRecs = spendRecs[:numSpendRecs-1]
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.RemoveUnminedTx(ns, spendToRemove); err != nil {
t.Fatalf("unable to remove unmined transaction: %v", err)
}
})
checkOutputs(spendRecs...)
}
// commitDBTx is a helper function that allows us to perform multiple operations
// on a specific database's bucket as a single atomic operation.
func commitDBTx(t *testing.T, store *Store, db walletdb.DB,
f func(walletdb.ReadWriteBucket)) {
t.Helper()
dbTx, err := db.BeginReadWriteTx()
if err != nil {
t.Fatal(err)
}
defer dbTx.Commit()
ns := dbTx.ReadWriteBucket(namespaceKey)
f(ns)
}
// testInsertDoubleSpendTx is a helper test which double spends an output. The
// boolean parameter indicates whether the first spending transaction should be
// the one confirmed. This test ensures that when a double spend occurs and both
// spending transactions are present in the mempool, if one of them confirms,
// then the remaining conflicting transactions within the mempool should be
// removed from the wallet's store.
func testInsertMempoolDoubleSpendTx(t *testing.T, first bool) {
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(1e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec, &b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Then, we'll create two spends from the same coinbase output, in order
// to replicate a double spend scenario.
firstSpend := spendOutput(&cbRec.Hash, 0, 5e7, 5e7)
firstSpendRec, err := NewTxRecordFromMsgTx(firstSpend, time.Now())
if err != nil {
t.Fatal(err)
}
secondSpend := spendOutput(&cbRec.Hash, 0, 4e7, 6e7)
secondSpendRec, err := NewTxRecordFromMsgTx(secondSpend, time.Now())
if err != nil {
t.Fatal(err)
}
// We'll insert both of them into the store without confirming them.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, firstSpendRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, firstSpendRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, secondSpendRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, secondSpendRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Ensure that both spends are found within the unconfirmed transactions
// in the wallet's store.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 2 {
t.Fatalf("expected 2 unmined txs, got %v",
len(unminedTxs))
}
})
// Then, we'll confirm either the first or second spend, depending on
// the boolean passed, with a height deep enough that allows us to
// succesfully spend the coinbase output.
coinbaseMaturity := int32(chaincfg.TestNet3Params.CoinbaseMaturity)
bMaturity := BlockMeta{
Block: Block{Height: b100.Height + coinbaseMaturity},
Time: time.Now(),
}
var confirmedSpendRec *TxRecord
if first {
confirmedSpendRec = firstSpendRec
} else {
confirmedSpendRec = secondSpendRec
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
err := store.InsertTx(ns, confirmedSpendRec, &bMaturity)
if err != nil {
t.Fatal(err)
}
err = store.AddCredit(
ns, confirmedSpendRec, &bMaturity, 0, false,
)
if err != nil {
t.Fatal(err)
}
})
// This should now trigger the store to remove any other pending double
// spends for this coinbase output, as we've already seen the confirmed
// one. Therefore, we shouldn't see any other unconfirmed transactions
// within it. We also ensure that the transaction that confirmed and is
// now listed as a UTXO within the wallet is the correct one.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 0 {
t.Fatalf("expected 0 unmined txs, got %v",
len(unminedTxs))
}
minedTxs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
if len(minedTxs) != 1 {
t.Fatalf("expected 1 mined tx, got %v", len(minedTxs))
}
if !minedTxs[0].Hash.IsEqual(&confirmedSpendRec.Hash) {
t.Fatalf("expected confirmed tx hash %v, got %v",
confirmedSpendRec.Hash, minedTxs[0].Hash)
}
})
}
// TestInsertMempoolDoubleSpendConfirmedFirstTx ensures that when a double spend
// occurs and both spending transactions are present in the mempool, if the
// first spend seen is confirmed, then the second spend transaction within the
// mempool should be removed from the wallet's store.
func TestInsertMempoolDoubleSpendConfirmedFirstTx(t *testing.T) {
t.Parallel()
testInsertMempoolDoubleSpendTx(t, true)
}
// TestInsertMempoolDoubleSpendConfirmedFirstTx ensures that when a double spend
// occurs and both spending transactions are present in the mempool, if the
// second spend seen is confirmed, then the first spend transaction within the
// mempool should be removed from the wallet's store.
func TestInsertMempoolDoubleSpendConfirmSecondTx(t *testing.T) {
t.Parallel()
testInsertMempoolDoubleSpendTx(t, false)
}
// TestInsertConfirmedDoubleSpendTx tests that when one or more double spends
// occur and a spending transaction confirms that was not known to the wallet,
// then the unconfirmed double spends within the mempool should be removed from
// the wallet's store.
func TestInsertConfirmedDoubleSpendTx(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb1 := newCoinBase(1e8)
cbRec1, err := NewTxRecordFromMsgTx(cb1, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec1, &b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec1, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Then, we'll create three spends from the same coinbase output. The
// first two will remain unconfirmed, while the last should confirm and
// remove the remaining unconfirmed from the wallet's store.
firstSpend1 := spendOutput(&cbRec1.Hash, 0, 5e7)
firstSpendRec1, err := NewTxRecordFromMsgTx(firstSpend1, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, firstSpendRec1, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, firstSpendRec1, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
secondSpend1 := spendOutput(&cbRec1.Hash, 0, 4e7)
secondSpendRec1, err := NewTxRecordFromMsgTx(secondSpend1, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, secondSpendRec1, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, secondSpendRec1, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// We'll also create another output and have one unconfirmed and one
// confirmed spending transaction also spend it.
cb2 := newCoinBase(2e8)
cbRec2, err := NewTxRecordFromMsgTx(cb2, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec2, &b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec2, &b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
firstSpend2 := spendOutput(&cbRec2.Hash, 0, 5e7)
firstSpendRec2, err := NewTxRecordFromMsgTx(firstSpend2, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, firstSpendRec2, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, firstSpendRec2, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// At this point, we should see all unconfirmed transactions within the
// store.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 3 {
t.Fatalf("expected 3 unmined txs, got %d",
len(unminedTxs))
}
})
// Then, we'll insert the confirmed spend at a height deep enough that
// allows us to successfully spend the coinbase outputs.
coinbaseMaturity := int32(chaincfg.TestNet3Params.CoinbaseMaturity)
bMaturity := BlockMeta{
Block: Block{Height: b100.Height + coinbaseMaturity},
Time: time.Now(),
}
outputsToSpend := []wire.OutPoint{
{Hash: cbRec1.Hash, Index: 0},
{Hash: cbRec2.Hash, Index: 0},
}
confirmedSpend := spendOutputs(outputsToSpend, 3e7)
confirmedSpendRec, err := NewTxRecordFromMsgTx(
confirmedSpend, bMaturity.Time,
)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
err := store.InsertTx(ns, confirmedSpendRec, &bMaturity)
if err != nil {
t.Fatal(err)
}
err = store.AddCredit(
ns, confirmedSpendRec, &bMaturity, 0, false,
)
if err != nil {
t.Fatal(err)
}
})
// Now that the confirmed spend exists within the store, we should no
// longer see the unconfirmed spends within it. We also ensure that the
// transaction that confirmed and is now listed as a UTXO within the
// wallet is the correct one.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
unminedTxs, err := store.UnminedTxs(ns)
if err != nil {
t.Fatal(err)
}
if len(unminedTxs) != 0 {
t.Fatalf("expected 0 unmined txs, got %v",
len(unminedTxs))
}
minedTxs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
if len(minedTxs) != 1 {
t.Fatalf("expected 1 mined tx, got %v", len(minedTxs))
}
if !minedTxs[0].Hash.IsEqual(&confirmedSpendRec.Hash) {
t.Fatalf("expected confirmed tx hash %v, got %v",
confirmedSpend, minedTxs[0].Hash)
}
})
}
// TestAddDuplicateCreditAfterConfirm aims to test the case where a duplicate
// unconfirmed credit is added to the store after the intial credit has already
// confirmed. This can lead to outputs being duplicated in the store, which can
// lead to creating double spends when querying the wallet's UTXO set.
func TestAddDuplicateCreditAfterConfirm(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// In order to reproduce real-world scenarios, we'll use a new database
// transaction for each interaction with the wallet.
//
// We'll start off the test by creating a new coinbase output at height
// 100 and inserting it into the store.
b100 := &BlockMeta{
Block: Block{Height: 100},
Time: time.Now(),
}
cb := newCoinBase(1e8)
cbRec, err := NewTxRecordFromMsgTx(cb, b100.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, cbRec, b100); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, cbRec, b100, 0, false)
if err != nil {
t.Fatal(err)
}
})
// We'll confirm that there is one unspent output in the store, which
// should be the coinbase output created above.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
minedTxs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
if len(minedTxs) != 1 {
t.Fatalf("expected 1 mined tx, got %v", len(minedTxs))
}
if !minedTxs[0].Hash.IsEqual(&cbRec.Hash) {
t.Fatalf("expected tx hash %v, got %v", cbRec.Hash,
minedTxs[0].Hash)
}
})
// Then, we'll create an unconfirmed spend for the coinbase output.
b101 := &BlockMeta{
Block: Block{Height: 101},
Time: time.Now(),
}
spendTx := spendOutput(&cbRec.Hash, 0, 5e7, 4e7)
spendTxRec, err := NewTxRecordFromMsgTx(spendTx, b101.Time)
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, spendTxRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, spendTxRec, nil, 1, true)
if err != nil {
t.Fatal(err)
}
})
// Confirm the spending transaction at the next height.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, spendTxRec, b101); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, spendTxRec, b101, 1, true)
if err != nil {
t.Fatal(err)
}
})
// We should see one unspent output within the store once again, this
// time being the change output of the spending transaction.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
minedTxs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
if len(minedTxs) != 1 {
t.Fatalf("expected 1 mined txs, got %v", len(minedTxs))
}
if !minedTxs[0].Hash.IsEqual(&spendTxRec.Hash) {
t.Fatalf("expected tx hash %v, got %v", spendTxRec.Hash,
minedTxs[0].Hash)
}
})
// Now, we'll insert the spending transaction once again, this time as
// unconfirmed. This can happen if the backend happens to forward an
// unconfirmed chain.RelevantTx notification to the client even after it
// has confirmed, which results in us adding it to the store once again.
//
// TODO(wilmer): ideally this shouldn't happen, so we should identify
// the real reason for this.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, spendTxRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, spendTxRec, nil, 1, true)
if err != nil {
t.Fatal(err)
}
})
// Finally, we'll ensure the change output is still the only unspent
// output within the store.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
minedTxs, err := store.UnspentOutputs(ns)
if err != nil {
t.Fatal(err)
}
if len(minedTxs) != 1 {
t.Fatalf("expected 1 mined txs, got %v", len(minedTxs))
}
if !minedTxs[0].Hash.IsEqual(&spendTxRec.Hash) {
t.Fatalf("expected tx hash %v, got %v", spendTxRec.Hash,
minedTxs[0].Hash)
}
})
}
// TestInsertMempoolTxAndConfirm ensures that there aren't any lingering
// unconfirmed records for a transaction that existed within the store as
// unconfirmed before becoming confirmed.
func TestInsertMempoolTxAndConfirm(t *testing.T) {
t.Parallel()
store, db, teardown, err := testStore()
if err != nil {
t.Fatal(err)
}
defer teardown()
// Create a transaction which we'll insert into the store as
// unconfirmed.
tx := newCoinBase(1e8)
txRec, err := NewTxRecordFromMsgTx(tx, time.Now())
if err != nil {
t.Fatal(err)
}
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
if err := store.InsertTx(ns, txRec, nil); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, txRec, nil, 0, false)
if err != nil {
t.Fatal(err)
}
})
// Then, proceed to confirm it.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
block := &BlockMeta{
Block: Block{Height: 1337},
Time: time.Now(),
}
if err := store.InsertTx(ns, txRec, block); err != nil {
t.Fatal(err)
}
err := store.AddCredit(ns, txRec, block, 0, false)
if err != nil {
t.Fatal(err)
}
})
// We should not see any lingering unconfirmed records for it once it's
// been confirmed.
commitDBTx(t, store, db, func(ns walletdb.ReadWriteBucket) {
for _, input := range tx.TxIn {
prevOut := input.PreviousOutPoint
k := canonicalOutPoint(&prevOut.Hash, prevOut.Index)
if existsRawUnminedInput(ns, k) != nil {
t.Fatalf("found transaction input %v as "+
"unconfirmed", prevOut)
}
}
if existsRawUnmined(ns, txRec.Hash[:]) != nil {
t.Fatal("found transaction as unconfirmed")
}
for i := range tx.TxOut {
k := canonicalOutPoint(&txRec.Hash, uint32(i))
if existsRawUnminedCredit(ns, k) != nil {
t.Fatalf("found transaction output %v as "+
"unconfirmed", i)
}
}
})
}