akovalenko/lnd.xprv
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

wallet_test: add tests exercising output locking for concurrent safe funding

Browse Source
This commit is contained in:
Olaoluwa Osuntokun 2015-12-16 13:22:36 -06:00
parent f70027fe76
commit dd9552c980
1 changed files with 79 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
wallet/wallet_test.go
View File

@ -12,6 +12,7 @@ import (
"github.com/btcsuite/btcd/txscript"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcutil"
"github.com/btcsuite/btcutil/coinset"
"github.com/btcsuite/btcwallet/waddrmgr"
"github.com/btcsuite/btcwallet/walletdb"
"github.com/btcsuite/btcwallet/wtxmgr"
@ -45,6 +46,17 @@ var (
}
)
func assertProperBalance(t *testing.T, lw *LightningWallet, numConfirms, amount int32) {
balance, err := lw.wallet.TxStore.Balance(0, 20)
if err != nil {
t.Fatalf("unable to query for balance: %v", err)
}
if balance != btcutil.Amount(20*1e8) {
t.Fatalf("wallet credits not properly loaded, should have 20BTC, "+
"instead have %v", balance)
}
}
// bobNode represents the other party involved as a node within LN. Bob is our
// only "default-route", we have a direct connection with him.
type bobNode struct {
@ -264,14 +276,7 @@ func TestBasicWalletReservationWorkFlow(t *testing.T) {
defer lnwallet.Stop()
// The wallet should now have 20BTC available for spending.
balance, err := lnwallet.wallet.TxStore.Balance(0, 20)
if err != nil {
t.Fatalf("unable to query for balance: %v", err)
}
if balance != btcutil.Amount(20*1e8) {
t.Fatalf("wallet credits not properly loaded, should have 20BTC, "+
"instead have %v", balance)
}
assertProperBalance(t, lnwallet, 1, 20)
bobNode, err := newBobNode()
if err != nil {
@ -410,10 +415,71 @@ func TestBasicWalletReservationWorkFlow(t *testing.T) {
}
}
func TestFundingTransactionTxFees(t *testing.T) {
}
// TODO(roasbeef): why is wallet so slow to create+open?
// * investigate
// * re-use same lnwallet instance accross tests resetting each time?
func TestFundingTransactionLockedOutputs(t *testing.T) {
// Create our test wallet, will have a total of 20 BTC available for
// funding via 5 outputs with 4BTC each.
testDir, lnwallet, err := createTestWallet()
if err != nil {
t.Fatalf("unable to create test ln wallet: %v", err)
}
defer os.RemoveAll(testDir)
defer lnwallet.Stop()
// The wallet should now have 20BTC available for spending.
assertProperBalance(t, lnwallet, 1, 20)
// Create two channels, both asking for 8 BTC each, totalling 16
// BTC.
// TODO(roasbeef): tests for concurrent funding.
fundingAmount := btcutil.Amount(8 * 1e8)
chanReservation1, err := lnwallet.InitChannelReservation(fundingAmount, SIGHASH)
if err != nil {
t.Fatalf("unable to initialize funding reservation 1: %v", err)
}
chanReservation2, err := lnwallet.InitChannelReservation(fundingAmount, SIGHASH)
if err != nil {
t.Fatalf("unable to initialize funding reservation 2: %v", err)
}
// Neither should have any change, as all our output sizes are
// identical (4BTC).
ourInputs1, ourChange1, _ := chanReservation1.OurFunds()
if len(ourInputs1) != 2 {
t.Fatalf("outputs for funding tx not properly selected, has %v "+
"outputs should have 2", len(ourInputs1))
}
if len(ourChange1) != 0 {
t.Fatalf("funding transaction should have no change, instead has %v",
len(ourChange1))
}
ourInputs2, ourChange2, _ := chanReservation2.OurFunds()
if len(ourInputs2) != 2 {
t.Fatalf("outputs for funding tx not properly selected, have %v "+
"outputs should have 2", len(ourInputs2))
}
if len(ourChange2) != 0 {
t.Fatalf("funding transaction should have no change, instead has %v",
len(ourChange2))
}
// Now attempt to reserve funds for another channel, this time requesting
// 5 BTC. We only have 4BTC worth of outpoints that aren't locked, so
// this should fail.
amt := btcutil.Amount(8 * 1e8)
failedReservation, err := lnwallet.InitChannelReservation(amt, SIGHASH)
if err == nil {
t.Fatalf("not error returned, should fail on coin selection")
}
if err != coinset.ErrCoinsNoSelectionAvailable {
t.Fatalf("error not coinselect error: %v", err)
}
if failedReservation != nil {
t.Fatalf("reservation should be nil")
}
}
func TestFundingTransactionCancellationFreeOutputs(t *testing.T) {
@ -424,3 +490,6 @@ func TestFundingReservationInsufficientFunds(t *testing.T) {
func TestFundingReservationInvalidCounterpartySigs(t *testing.T) {
}
func TestFundingTransactionTxFees(t *testing.T) {
}