136 lines
4.3 KiB
Go
136 lines
4.3 KiB
Go
package itest
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import (
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"context"
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"fmt"
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"github.com/lightningnetwork/lnd/lncfg"
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"github.com/lightningnetwork/lnd/lnrpc"
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"github.com/lightningnetwork/lnd/lnrpc/invoicesrpc"
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"github.com/lightningnetwork/lnd/lnrpc/routerrpc"
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"github.com/lightningnetwork/lnd/lntest"
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"github.com/lightningnetwork/lnd/lntest/wait"
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"github.com/lightningnetwork/lnd/lntypes"
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"github.com/stretchr/testify/require"
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)
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// testHoldInvoiceForceClose tests cancelation of accepted hold invoices which
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// would otherwise trigger force closes when they expire.
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func testHoldInvoiceForceClose(net *lntest.NetworkHarness, t *harnessTest) {
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ctxb, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Open a channel between alice and bob.
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chanReq := lntest.OpenChannelParams{
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Amt: 300000,
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}
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ctxt, _ := context.WithTimeout(ctxb, channelOpenTimeout)
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chanPoint := openChannelAndAssert(ctxt, t, net, net.Alice, net.Bob, chanReq)
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// Create a non-dust hold invoice for bob.
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var (
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preimage = lntypes.Preimage{1, 2, 3}
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payHash = preimage.Hash()
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)
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invoiceReq := &invoicesrpc.AddHoldInvoiceRequest{
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Value: 30000,
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CltvExpiry: 40,
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Hash: payHash[:],
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}
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ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
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bobInvoice, err := net.Bob.AddHoldInvoice(ctxt, invoiceReq)
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require.NoError(t.t, err)
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// Pay this invoice from Alice -> Bob, we should achieve this with a
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// single htlc.
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_, err = net.Alice.RouterClient.SendPaymentV2(
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ctxb, &routerrpc.SendPaymentRequest{
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PaymentRequest: bobInvoice.PaymentRequest,
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TimeoutSeconds: 60,
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FeeLimitMsat: noFeeLimitMsat,
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},
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)
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require.NoError(t.t, err)
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waitForInvoiceAccepted(t, net.Bob, payHash)
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// Once the HTLC has cleared, alice and bob should both have a single
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// htlc locked in.
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nodes := []*lntest.HarnessNode{net.Alice, net.Bob}
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err = wait.NoError(func() error {
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return assertActiveHtlcs(nodes, payHash[:])
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}, defaultTimeout)
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require.NoError(t.t, err)
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// Get our htlc expiry height and current block height so that we
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// can mine the exact number of blocks required to expire the htlc.
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chans, err := net.Alice.ListChannels(ctxb, &lnrpc.ListChannelsRequest{})
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require.NoError(t.t, err)
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require.Len(t.t, chans.Channels, 1)
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require.Len(t.t, chans.Channels[0].PendingHtlcs, 1)
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activeHtlc := chans.Channels[0].PendingHtlcs[0]
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info, err := net.Alice.GetInfo(ctxb, &lnrpc.GetInfoRequest{})
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require.NoError(t.t, err)
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// Now we will mine blocks until the htlc expires, and wait for each
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// node to sync to our latest height. Sanity check that we won't
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// underflow.
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require.Greater(t.t, activeHtlc.ExpirationHeight, info.BlockHeight,
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"expected expiry after current height")
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blocksTillExpiry := activeHtlc.ExpirationHeight - info.BlockHeight
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// Alice will go to chain with some delta, sanity check that we won't
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// underflow and subtract this from our mined blocks.
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require.Greater(t.t, blocksTillExpiry,
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uint32(lncfg.DefaultOutgoingBroadcastDelta))
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blocksTillForce := blocksTillExpiry - lncfg.DefaultOutgoingBroadcastDelta
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mineBlocks(t, net, blocksTillForce, 0)
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require.NoError(t.t, net.Alice.WaitForBlockchainSync(ctxb))
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require.NoError(t.t, net.Bob.WaitForBlockchainSync(ctxb))
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// Our channel should not have been force closed, instead we expect our
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// channel to still be open and our invoice to have been canceled before
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// expiry.
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ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
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chanInfo, err := getChanInfo(ctxt, net.Alice)
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require.NoError(t.t, err)
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fundingTxID, err := lnrpc.GetChanPointFundingTxid(chanPoint)
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require.NoError(t.t, err)
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chanStr := fmt.Sprintf("%v:%v", fundingTxID, chanPoint.OutputIndex)
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require.Equal(t.t, chanStr, chanInfo.ChannelPoint)
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err = wait.NoError(func() error {
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inv, err := net.Bob.LookupInvoice(ctxt, &lnrpc.PaymentHash{
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RHash: payHash[:],
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})
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if err != nil {
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return err
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}
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if inv.State != lnrpc.Invoice_CANCELED {
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return fmt.Errorf("expected canceled invoice, got: %v",
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inv.State)
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}
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for _, htlc := range inv.Htlcs {
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if htlc.State != lnrpc.InvoiceHTLCState_CANCELED {
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return fmt.Errorf("expected htlc canceled, "+
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"got: %v", htlc.State)
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}
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}
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return nil
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}, defaultTimeout)
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require.NoError(t.t, err, "expected canceled invoice")
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// Clean up the channel.
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ctxt, _ = context.WithTimeout(ctxb, channelCloseTimeout)
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closeChannelAndAssert(ctxt, t, net, net.Alice, chanPoint, false)
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}
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