mirror of
https://github.com/lightningnetwork/lnd.git
synced 2024-11-19 18:10:34 +01:00
332 lines
11 KiB
Go
332 lines
11 KiB
Go
package itest
|
|
|
|
import (
|
|
"context"
|
|
"math"
|
|
|
|
"github.com/btcsuite/btcutil"
|
|
"github.com/lightningnetwork/lnd/lnrpc"
|
|
"github.com/lightningnetwork/lnd/lntest"
|
|
"github.com/lightningnetwork/lnd/lntest/wait"
|
|
)
|
|
|
|
// testGetRecoveryInfo checks whether lnd gives the right information about
|
|
// the wallet recovery process.
|
|
func testGetRecoveryInfo(net *lntest.NetworkHarness, t *harnessTest) {
|
|
ctxb := context.Background()
|
|
|
|
// First, create a new node with strong passphrase and grab the mnemonic
|
|
// used for key derivation. This will bring up Carol with an empty
|
|
// wallet, and such that she is synced up.
|
|
password := []byte("The Magic Words are Squeamish Ossifrage")
|
|
carol, mnemonic, _, err := net.NewNodeWithSeed(
|
|
"Carol", nil, password, false,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to create node with seed; %v", err)
|
|
}
|
|
|
|
shutdownAndAssert(net, t, carol)
|
|
|
|
checkInfo := func(expectedRecoveryMode, expectedRecoveryFinished bool,
|
|
expectedProgress float64, recoveryWindow int32) {
|
|
|
|
// Restore Carol, passing in the password, mnemonic, and
|
|
// desired recovery window.
|
|
node, err := net.RestoreNodeWithSeed(
|
|
"Carol", nil, password, mnemonic, recoveryWindow, nil,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to restore node: %v", err)
|
|
}
|
|
|
|
// Wait for Carol to sync to the chain.
|
|
_, minerHeight, err := net.Miner.Client.GetBestBlock()
|
|
if err != nil {
|
|
t.Fatalf("unable to get current blockheight %v", err)
|
|
}
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
err = waitForNodeBlockHeight(ctxt, node, minerHeight)
|
|
if err != nil {
|
|
t.Fatalf("unable to sync to chain: %v", err)
|
|
}
|
|
|
|
// Query carol for her current wallet recovery progress.
|
|
var (
|
|
recoveryMode bool
|
|
recoveryFinished bool
|
|
progress float64
|
|
)
|
|
|
|
err = wait.Predicate(func() bool {
|
|
// Verify that recovery info gives the right response.
|
|
req := &lnrpc.GetRecoveryInfoRequest{}
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
resp, err := node.GetRecoveryInfo(ctxt, req)
|
|
if err != nil {
|
|
t.Fatalf("unable to query recovery info: %v", err)
|
|
}
|
|
|
|
recoveryMode = resp.RecoveryMode
|
|
recoveryFinished = resp.RecoveryFinished
|
|
progress = resp.Progress
|
|
|
|
if recoveryMode != expectedRecoveryMode ||
|
|
recoveryFinished != expectedRecoveryFinished ||
|
|
progress != expectedProgress {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}, defaultTimeout)
|
|
if err != nil {
|
|
t.Fatalf("expected recovery mode to be %v, got %v, "+
|
|
"expected recovery finished to be %v, got %v, "+
|
|
"expected progress %v, got %v",
|
|
expectedRecoveryMode, recoveryMode,
|
|
expectedRecoveryFinished, recoveryFinished,
|
|
expectedProgress, progress,
|
|
)
|
|
}
|
|
|
|
// Lastly, shutdown this Carol so we can move on to the next
|
|
// restoration.
|
|
shutdownAndAssert(net, t, node)
|
|
}
|
|
|
|
// Restore Carol with a recovery window of 0. Since it's not in recovery
|
|
// mode, the recovery info will give a response with recoveryMode=false,
|
|
// recoveryFinished=false, and progress=0
|
|
checkInfo(false, false, 0, 0)
|
|
|
|
// Change the recovery windown to be 1 to turn on recovery mode. Since the
|
|
// current chain height is the same as the birthday height, it should
|
|
// indicate the recovery process is finished.
|
|
checkInfo(true, true, 1, 1)
|
|
|
|
// We now go ahead 5 blocks. Because the wallet's syncing process is
|
|
// controlled by a goroutine in the background, it will catch up quickly.
|
|
// This makes the recovery progress back to 1.
|
|
mineBlocks(t, net, 5, 0)
|
|
checkInfo(true, true, 1, 1)
|
|
}
|
|
|
|
// testOnchainFundRecovery checks lnd's ability to rescan for onchain outputs
|
|
// when providing a valid aezeed that owns outputs on the chain. This test
|
|
// performs multiple restorations using the same seed and various recovery
|
|
// windows to ensure we detect funds properly.
|
|
func testOnchainFundRecovery(net *lntest.NetworkHarness, t *harnessTest) {
|
|
ctxb := context.Background()
|
|
|
|
// First, create a new node with strong passphrase and grab the mnemonic
|
|
// used for key derivation. This will bring up Carol with an empty
|
|
// wallet, and such that she is synced up.
|
|
password := []byte("The Magic Words are Squeamish Ossifrage")
|
|
carol, mnemonic, _, err := net.NewNodeWithSeed(
|
|
"Carol", nil, password, false,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to create node with seed; %v", err)
|
|
}
|
|
shutdownAndAssert(net, t, carol)
|
|
|
|
// Create a closure for testing the recovery of Carol's wallet. This
|
|
// method takes the expected value of Carol's balance when using the
|
|
// given recovery window. Additionally, the caller can specify an action
|
|
// to perform on the restored node before the node is shutdown.
|
|
restoreCheckBalance := func(expAmount int64, expectedNumUTXOs uint32,
|
|
recoveryWindow int32, fn func(*lntest.HarnessNode)) {
|
|
|
|
// Restore Carol, passing in the password, mnemonic, and
|
|
// desired recovery window.
|
|
node, err := net.RestoreNodeWithSeed(
|
|
"Carol", nil, password, mnemonic, recoveryWindow, nil,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("unable to restore node: %v", err)
|
|
}
|
|
|
|
// Query carol for her current wallet balance, and also that we
|
|
// gain the expected number of UTXOs.
|
|
var (
|
|
currBalance int64
|
|
currNumUTXOs uint32
|
|
)
|
|
err = wait.Predicate(func() bool {
|
|
req := &lnrpc.WalletBalanceRequest{}
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
resp, err := node.WalletBalance(ctxt, req)
|
|
if err != nil {
|
|
t.Fatalf("unable to query wallet balance: %v",
|
|
err)
|
|
}
|
|
currBalance = resp.ConfirmedBalance
|
|
|
|
utxoReq := &lnrpc.ListUnspentRequest{
|
|
MaxConfs: math.MaxInt32,
|
|
}
|
|
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
|
utxoResp, err := node.ListUnspent(ctxt, utxoReq)
|
|
if err != nil {
|
|
t.Fatalf("unable to query utxos: %v", err)
|
|
}
|
|
currNumUTXOs = uint32(len(utxoResp.Utxos))
|
|
|
|
// Verify that Carol's balance and number of UTXOs
|
|
// matches what's expected.
|
|
if expAmount != currBalance {
|
|
return false
|
|
}
|
|
if currNumUTXOs != expectedNumUTXOs {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}, defaultTimeout)
|
|
if err != nil {
|
|
t.Fatalf("expected restored node to have %d satoshis, "+
|
|
"instead has %d satoshis, expected %d utxos "+
|
|
"instead has %d", expAmount, currBalance,
|
|
expectedNumUTXOs, currNumUTXOs)
|
|
}
|
|
|
|
// If the user provided a callback, execute the commands against
|
|
// the restored Carol.
|
|
if fn != nil {
|
|
fn(node)
|
|
}
|
|
|
|
// Lastly, shutdown this Carol so we can move on to the next
|
|
// restoration.
|
|
shutdownAndAssert(net, t, node)
|
|
}
|
|
|
|
// Create a closure-factory for building closures that can generate and
|
|
// skip a configurable number of addresses, before finally sending coins
|
|
// to a next generated address. The returned closure will apply the same
|
|
// behavior to both default P2WKH and NP2WKH scopes.
|
|
skipAndSend := func(nskip int) func(*lntest.HarnessNode) {
|
|
return func(node *lntest.HarnessNode) {
|
|
newP2WKHAddrReq := &lnrpc.NewAddressRequest{
|
|
Type: AddrTypeWitnessPubkeyHash,
|
|
}
|
|
|
|
newNP2WKHAddrReq := &lnrpc.NewAddressRequest{
|
|
Type: AddrTypeNestedPubkeyHash,
|
|
}
|
|
|
|
// Generate and skip the number of addresses requested.
|
|
for i := 0; i < nskip; i++ {
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
_, err = node.NewAddress(ctxt, newP2WKHAddrReq)
|
|
if err != nil {
|
|
t.Fatalf("unable to generate new "+
|
|
"p2wkh address: %v", err)
|
|
}
|
|
|
|
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
|
_, err = node.NewAddress(ctxt, newNP2WKHAddrReq)
|
|
if err != nil {
|
|
t.Fatalf("unable to generate new "+
|
|
"np2wkh address: %v", err)
|
|
}
|
|
}
|
|
|
|
// Send one BTC to the next P2WKH address.
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
net.SendCoins(
|
|
ctxt, t.t, btcutil.SatoshiPerBitcoin, node,
|
|
)
|
|
|
|
// And another to the next NP2WKH address.
|
|
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
|
net.SendCoinsNP2WKH(
|
|
ctxt, t.t, btcutil.SatoshiPerBitcoin, node,
|
|
)
|
|
}
|
|
}
|
|
|
|
// Restore Carol with a recovery window of 0. Since no coins have been
|
|
// sent, her balance should be zero.
|
|
//
|
|
// After, one BTC is sent to both her first external P2WKH and NP2WKH
|
|
// addresses.
|
|
restoreCheckBalance(0, 0, 0, skipAndSend(0))
|
|
|
|
// Check that restoring without a look-ahead results in having no funds
|
|
// in the wallet, even though they exist on-chain.
|
|
restoreCheckBalance(0, 0, 0, nil)
|
|
|
|
// Now, check that using a look-ahead of 1 recovers the balance from
|
|
// the two transactions above. We should also now have 2 UTXOs in the
|
|
// wallet at the end of the recovery attempt.
|
|
//
|
|
// After, we will generate and skip 9 P2WKH and NP2WKH addresses, and
|
|
// send another BTC to the subsequent 10th address in each derivation
|
|
// path.
|
|
restoreCheckBalance(2*btcutil.SatoshiPerBitcoin, 2, 1, skipAndSend(9))
|
|
|
|
// Check that using a recovery window of 9 does not find the two most
|
|
// recent txns.
|
|
restoreCheckBalance(2*btcutil.SatoshiPerBitcoin, 2, 9, nil)
|
|
|
|
// Extending our recovery window to 10 should find the most recent
|
|
// transactions, leaving the wallet with 4 BTC total. We should also
|
|
// learn of the two additional UTXOs created above.
|
|
//
|
|
// After, we will skip 19 more addrs, sending to the 20th address past
|
|
// our last found address, and repeat the same checks.
|
|
restoreCheckBalance(4*btcutil.SatoshiPerBitcoin, 4, 10, skipAndSend(19))
|
|
|
|
// Check that recovering with a recovery window of 19 fails to find the
|
|
// most recent transactions.
|
|
restoreCheckBalance(4*btcutil.SatoshiPerBitcoin, 4, 19, nil)
|
|
|
|
// Ensure that using a recovery window of 20 succeeds with all UTXOs
|
|
// found and the final balance reflected.
|
|
|
|
// After these checks are done, we'll want to make sure we can also
|
|
// recover change address outputs. This is mainly motivated by a now
|
|
// fixed bug in the wallet in which change addresses could at times be
|
|
// created outside of the default key scopes. Recovery only used to be
|
|
// performed on the default key scopes, so ideally this test case
|
|
// would've caught the bug earlier. Carol has received 6 BTC so far from
|
|
// the miner, we'll send 5 back to ensure all of her UTXOs get spent to
|
|
// avoid fee discrepancies and a change output is formed.
|
|
const minerAmt = 5 * btcutil.SatoshiPerBitcoin
|
|
const finalBalance = 6 * btcutil.SatoshiPerBitcoin
|
|
promptChangeAddr := func(node *lntest.HarnessNode) {
|
|
minerAddr, err := net.Miner.NewAddress()
|
|
if err != nil {
|
|
t.Fatalf("unable to create new miner address: %v", err)
|
|
}
|
|
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
|
resp, err := node.SendCoins(ctxt, &lnrpc.SendCoinsRequest{
|
|
Addr: minerAddr.String(),
|
|
Amount: minerAmt,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf("unable to send coins to miner: %v", err)
|
|
}
|
|
txid, err := waitForTxInMempool(
|
|
net.Miner.Client, minerMempoolTimeout,
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("transaction not found in mempool: %v", err)
|
|
}
|
|
if resp.Txid != txid.String() {
|
|
t.Fatalf("txid mismatch: %v vs %v", resp.Txid,
|
|
txid.String())
|
|
}
|
|
block := mineBlocks(t, net, 1, 1)[0]
|
|
assertTxInBlock(t, block, txid)
|
|
}
|
|
restoreCheckBalance(finalBalance, 6, 20, promptChangeAddr)
|
|
|
|
// We should expect a static fee of 27750 satoshis for spending 6 inputs
|
|
// (3 P2WPKH, 3 NP2WPKH) to two P2WPKH outputs. Carol should therefore
|
|
// only have one UTXO present (the change output) of 6 - 5 - fee BTC.
|
|
const fee = 27750
|
|
restoreCheckBalance(finalBalance-minerAmt-fee, 1, 21, nil)
|
|
}
|