lnd.xprv/sweep/store_test.go

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package sweep
import (
"io/ioutil"
"os"
"testing"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/btcsuite/btcd/wire"
"github.com/lightningnetwork/lnd/channeldb"
)
// makeTestDB creates a new instance of the ChannelDB for testing purposes. A
// callback which cleans up the created temporary directories is also returned
// and intended to be executed after the test completes.
func makeTestDB() (*channeldb.DB, func(), error) {
// First, create a temporary directory to be used for the duration of
// this test.
tempDirName, err := ioutil.TempDir("", "channeldb")
if err != nil {
return nil, nil, err
}
// Next, create channeldb for the first time.
cdb, err := channeldb.Open(tempDirName)
if err != nil {
return nil, nil, err
}
cleanUp := func() {
cdb.Close()
os.RemoveAll(tempDirName)
}
return cdb, cleanUp, nil
}
// TestStore asserts that the store persists the presented data to disk and is
// able to retrieve it again.
func TestStore(t *testing.T) {
t.Run("bolt", func(t *testing.T) {
// Create new store.
cdb, cleanUp, err := makeTestDB()
if err != nil {
t.Fatalf("unable to open channel db: %v", err)
}
defer cleanUp()
if err != nil {
t.Fatal(err)
}
testStore(t, func() (SweeperStore, error) {
var chain chainhash.Hash
return NewSweeperStore(cdb, &chain)
})
})
t.Run("mock", func(t *testing.T) {
store := NewMockSweeperStore()
testStore(t, func() (SweeperStore, error) {
// Return same store, because the mock has no real
// persistence.
return store, nil
})
})
}
func testStore(t *testing.T, createStore func() (SweeperStore, error)) {
store, err := createStore()
if err != nil {
t.Fatal(err)
}
// Initially we expect the store not to have a last published tx.
retrievedTx, err := store.GetLastPublishedTx()
if err != nil {
t.Fatal(err)
}
if retrievedTx != nil {
t.Fatal("expected no last published tx")
}
// Notify publication of tx1
tx1 := wire.MsgTx{}
tx1.AddTxIn(&wire.TxIn{
PreviousOutPoint: wire.OutPoint{
Index: 1,
},
})
err = store.NotifyPublishTx(&tx1)
if err != nil {
t.Fatal(err)
}
// Notify publication of tx2
tx2 := wire.MsgTx{}
tx2.AddTxIn(&wire.TxIn{
PreviousOutPoint: wire.OutPoint{
Index: 2,
},
})
err = store.NotifyPublishTx(&tx2)
if err != nil {
t.Fatal(err)
}
// Recreate the sweeper store
store, err = createStore()
if err != nil {
t.Fatal(err)
}
// Assert that last published tx2 is present.
retrievedTx, err = store.GetLastPublishedTx()
if err != nil {
t.Fatal(err)
}
if tx2.TxHash() != retrievedTx.TxHash() {
t.Fatal("txes do not match")
}
// Assert that both txes are recognized as our own.
ours, err := store.IsOurTx(tx1.TxHash())
if err != nil {
t.Fatal(err)
}
if !ours {
t.Fatal("expected tx to be ours")
}
ours, err = store.IsOurTx(tx2.TxHash())
if err != nil {
t.Fatal(err)
}
if !ours {
t.Fatal("expected tx to be ours")
}
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// An different hash should be reported as not being ours.
var unknownHash chainhash.Hash
ours, err = store.IsOurTx(unknownHash)
if err != nil {
t.Fatal(err)
}
if ours {
t.Fatal("expected tx to be not ours")
}
}