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lightningnetwork / lnd / 13202016262

07 Feb 2025 02:33PM UTC coverage: 49.349% (-8.3%) from 57.696%
13202016262

Pull #9448

github

yyforyongyu
docs: add release notes
Pull Request #9448: sweep: properly handle failed sweeping txns

298 of 342 new or added lines in 3 files covered. (87.13%)

27243 existing lines in 433 files now uncovered.

100923 of 204509 relevant lines covered (49.35%)

1.54 hits per line

Source File
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4.93
/lntest/unittest/backend.go
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package unittest
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import (
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        "fmt"
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        "os/exec"
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        "path/filepath"
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        "testing"
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        "time"
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        "github.com/btcsuite/btcd/chaincfg"
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        "github.com/btcsuite/btcd/integration/rpctest"
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        "github.com/btcsuite/btcwallet/chain"
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        "github.com/btcsuite/btcwallet/walletdb"
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        "github.com/lightninglabs/neutrino"
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        "github.com/lightningnetwork/lnd/kvdb"
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        "github.com/lightningnetwork/lnd/lntest/port"
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        "github.com/lightningnetwork/lnd/lntest/wait"
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        "github.com/stretchr/testify/require"
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)
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var (
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        // TrickleInterval is the interval at which the miner should trickle
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        // transactions to its peers. We'll set it small to ensure the miner
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        // propagates transactions quickly in the tests.
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        TrickleInterval = 10 * time.Millisecond
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)
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var (
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        // NetParams are the default network parameters for the tests.
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        NetParams = &chaincfg.RegressionNetParams
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)
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// NewMiner spawns testing harness backed by a btcd node that can serve as a
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// miner.
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func NewMiner(t *testing.T, netParams *chaincfg.Params, extraArgs []string,
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        createChain bool, spendableOutputs uint32) *rpctest.Harness {
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        t.Helper()
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        // Add the trickle interval argument to the extra args.
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        trickle := fmt.Sprintf("--trickleinterval=%v", TrickleInterval)
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        extraArgs = append(extraArgs, trickle)
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        node, err := rpctest.New(netParams, nil, extraArgs, "")
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        require.NoError(t, err, "unable to create backend node")
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        t.Cleanup(func() {
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                require.NoError(t, node.TearDown())
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        })
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        // We want to overwrite some of the connection settings to make the
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        // tests more robust. We might need to restart the backend while there
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        // are already blocks present, which will take a bit longer than the
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        // 1 second the default settings amount to. Doubling both values will
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        // give us retries up to 4 seconds.
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        node.MaxConnRetries = rpctest.DefaultMaxConnectionRetries * 2
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        node.ConnectionRetryTimeout = rpctest.DefaultConnectionRetryTimeout * 2
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        if err := node.SetUp(createChain, spendableOutputs); err != nil {
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                t.Fatalf("unable to set up backend node: %v", err)
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        }
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        // Next mine enough blocks in order for segwit and the CSV package
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        // soft-fork to activate.
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        numBlocks := netParams.MinerConfirmationWindow*2 + 17
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        _, err = node.Client.Generate(numBlocks)
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        require.NoError(t, err, "failed to generate blocks")
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        return node
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}
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// NewBitcoindBackend spawns a new bitcoind node that connects to a miner at the
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// specified address. The txindex boolean can be set to determine whether the
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// backend node should maintain a transaction index. The rpcpolling boolean
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// can be set to determine whether bitcoind's RPC polling interface should be
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// used for block and tx notifications or if its ZMQ interface should be used.
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// A connection to the newly spawned bitcoind node is returned.
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func NewBitcoindBackend(t *testing.T, netParams *chaincfg.Params,
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        minerAddr string, txindex, rpcpolling bool) *chain.BitcoindConn {
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        t.Helper()
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        tempBitcoindDir := t.TempDir()
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        rpcPort := port.NextAvailablePort()
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        torBindPort := port.NextAvailablePort()
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        zmqBlockPort := port.NextAvailablePort()
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        zmqTxPort := port.NextAvailablePort()
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        zmqBlockHost := fmt.Sprintf("tcp://127.0.0.1:%d", zmqBlockPort)
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        zmqTxHost := fmt.Sprintf("tcp://127.0.0.1:%d", zmqTxPort)
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        args := []string{
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                "-connect=" + minerAddr,
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                "-datadir=" + tempBitcoindDir,
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                "-regtest",
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                "-rpcauth=weks:469e9bb14ab2360f8e226efed5ca6fd$507c670e800a95" +
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                        "284294edb5773b05544b220110063096c221be9933c82d38e1",
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                fmt.Sprintf("-rpcport=%d", rpcPort),
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                fmt.Sprintf("-bind=127.0.0.1:%d=onion", torBindPort),
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                "-disablewallet",
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                "-zmqpubrawblock=" + zmqBlockHost,
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                "-zmqpubrawtx=" + zmqTxHost,
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        }
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        if txindex {
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                args = append(args, "-txindex")
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        }
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        bitcoind := exec.Command("bitcoind", args...)
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        if err := bitcoind.Start(); err != nil {
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                t.Fatalf("unable to start bitcoind: %v", err)
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        }
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        t.Cleanup(func() {
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                _ = bitcoind.Process.Kill()
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                _ = bitcoind.Wait()
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        })
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        // Wait for the bitcoind instance to start up.
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        time.Sleep(time.Second)
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        host := fmt.Sprintf("127.0.0.1:%d", rpcPort)
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        cfg := &chain.BitcoindConfig{
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                ChainParams: netParams,
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                Host:        host,
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                User:        "weks",
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                Pass:        "weks",
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                // Fields only required for pruned nodes, not needed for these
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                // tests.
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                Dialer:             nil,
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                PrunedModeMaxPeers: 0,
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        }
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        if rpcpolling {
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                cfg.PollingConfig = &chain.PollingConfig{
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                        BlockPollingInterval: time.Millisecond * 20,
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                        TxPollingInterval:    time.Millisecond * 20,
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                }
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        } else {
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                cfg.ZMQConfig = &chain.ZMQConfig{
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                        ZMQBlockHost:    zmqBlockHost,
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                        ZMQTxHost:       zmqTxHost,
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                        ZMQReadDeadline: 5 * time.Second,
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                }
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        }
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        var conn *chain.BitcoindConn
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        err := wait.NoError(func() error {
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                var err error
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                conn, err = chain.NewBitcoindConn(cfg)
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                if err != nil {
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                        return err
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                }
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                return conn.Start()
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        }, 10*time.Second)
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        if err != nil {
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                t.Fatalf("unable to establish connection to bitcoind at %v: "+
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                        "%v", tempBitcoindDir, err)
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        }
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        t.Cleanup(conn.Stop)
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        return conn
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}
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// NewNeutrinoBackend spawns a new neutrino node that connects to a miner at
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// the specified address.
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func NewNeutrinoBackend(t *testing.T, netParams *chaincfg.Params,
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        minerAddr string) *neutrino.ChainService {
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        t.Helper()
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        spvDir := t.TempDir()
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        dbName := filepath.Join(spvDir, "neutrino.db")
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        spvDatabase, err := walletdb.Create(
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                "bdb", dbName, true, kvdb.DefaultDBTimeout,
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        )
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        if err != nil {
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                t.Fatalf("unable to create walletdb: %v", err)
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        }
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        t.Cleanup(func() {
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                spvDatabase.Close()
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        })
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        // Create an instance of neutrino connected to the running btcd
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        // instance.
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        spvConfig := neutrino.Config{
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                DataDir:      spvDir,
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                Database:     spvDatabase,
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                ChainParams:  *netParams,
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                ConnectPeers: []string{minerAddr},
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        }
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        spvNode, err := neutrino.NewChainService(spvConfig)
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        if err != nil {
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                t.Fatalf("unable to create neutrino: %v", err)
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        }
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        // We'll also wait for the instance to sync up fully to the chain
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        // generated by the btcd instance.
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        _ = spvNode.Start()
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        for !spvNode.IsCurrent() {
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                time.Sleep(time.Millisecond * 100)
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        }
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        t.Cleanup(func() {
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                _ = spvNode.Stop()
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        })
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        return spvNode
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}
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func init() {
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        // Before we start any node, we need to make sure that any btcd or
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        // bitcoind node that is started through the RPC harness uses a unique
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        // port as well to avoid any port collisions.
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        rpctest.ListenAddressGenerator =
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                port.GenerateSystemUniqueListenerAddresses
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}
3✔
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