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lntemp+itest: refactor testRevokedCloseRetributionAltruistWatchtower
This commit is contained in:
parent
211aa4c6f2
commit
6792ca17b4
@ -1,5 +1,52 @@
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package rpc
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import (
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"context"
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"github.com/lightningnetwork/lnd/lnrpc/watchtowerrpc"
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"github.com/lightningnetwork/lnd/lnrpc/wtclientrpc"
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)
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// =====================
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// WatchtowerClient and WatchtowerClientClient related RPCs.
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// =====================
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// GetInfoWatchtower makes a RPC call to the watchtower of the given node and
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// asserts.
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func (h *HarnessRPC) GetInfoWatchtower() *watchtowerrpc.GetInfoResponse {
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ctxt, cancel := context.WithTimeout(h.runCtx, DefaultTimeout)
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defer cancel()
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req := &watchtowerrpc.GetInfoRequest{}
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info, err := h.Watchtower.GetInfo(ctxt, req)
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h.NoError(err, "GetInfo from Watchtower")
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return info
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}
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// AddTower makes a RPC call to the WatchtowerClient of the given node and
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// asserts.
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func (h *HarnessRPC) AddTower(
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req *wtclientrpc.AddTowerRequest) *wtclientrpc.AddTowerResponse {
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ctxt, cancel := context.WithTimeout(h.runCtx, DefaultTimeout)
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defer cancel()
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resp, err := h.WatchtowerClient.AddTower(ctxt, req)
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h.NoError(err, "AddTower")
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return resp
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}
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// WatchtowerStats makes a RPC call to the WatchtowerClient of the given node
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// and asserts.
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func (h *HarnessRPC) WatchtowerStats() *wtclientrpc.StatsResponse {
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ctxt, cancel := context.WithTimeout(h.runCtx, DefaultTimeout)
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defer cancel()
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req := &wtclientrpc.StatsRequest{}
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resp, err := h.WatchtowerClient.Stats(ctxt, req)
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h.NoError(err, "Stats from Watchtower")
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return resp
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}
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@ -304,4 +304,8 @@ var allTestCasesTemp = []*lntemp.TestCase{
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Name: "revoked uncooperative close retribution remote hodl",
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TestFunc: testRevokedCloseRetributionRemoteHodl,
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},
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{
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Name: "revoked uncooperative close retribution altruist watchtower",
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TestFunc: testRevokedCloseRetributionAltruistWatchtower,
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},
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}
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@ -2,9 +2,7 @@ package itest
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import (
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"bytes"
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"context"
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"fmt"
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"strings"
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"testing"
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"time"
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@ -13,7 +11,6 @@ import (
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"github.com/go-errors/errors"
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"github.com/lightningnetwork/lnd/funding"
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"github.com/lightningnetwork/lnd/lnrpc"
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"github.com/lightningnetwork/lnd/lnrpc/watchtowerrpc"
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"github.com/lightningnetwork/lnd/lnrpc/wtclientrpc"
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"github.com/lightningnetwork/lnd/lntemp"
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"github.com/lightningnetwork/lnd/lntest"
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@ -581,9 +578,7 @@ func testRevokedCloseRetributionRemoteHodl(ht *lntemp.HarnessTest) {
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// trigger a breach. Carol is kept offline throughout the process and the test
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// asserts that Willy responds by broadcasting the justice transaction on
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// Carol's behalf sweeping her funds without a reward.
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func testRevokedCloseRetributionAltruistWatchtower(net *lntest.NetworkHarness,
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t *harnessTest) {
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func testRevokedCloseRetributionAltruistWatchtower(ht *lntemp.HarnessTest) {
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testCases := []struct {
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name string
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anchors bool
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@ -597,23 +592,25 @@ func testRevokedCloseRetributionAltruistWatchtower(net *lntest.NetworkHarness,
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for _, tc := range testCases {
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tc := tc
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testFunc := func(ht *lntemp.HarnessTest) {
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testRevokedCloseRetributionAltruistWatchtowerCase(
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ht, tc.anchors,
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)
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}
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success := t.t.Run(tc.name, func(tt *testing.T) {
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ht := newHarnessTest(tt, net)
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ht.RunTestCase(&testCase{
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name: tc.name,
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test: func(net1 *lntest.NetworkHarness, t1 *harnessTest) {
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testRevokedCloseRetributionAltruistWatchtowerCase(
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net1, t1, tc.anchors,
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)
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},
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success := ht.Run(tc.name, func(tt *testing.T) {
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st := ht.Subtest(tt)
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st.RunTestCase(&lntemp.TestCase{
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Name: tc.name,
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TestFunc: testFunc,
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})
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})
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if !success {
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// Log failure time to help relate the lnd logs to the
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// failure.
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t.Logf("Failure time: %v", time.Now().Format(
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ht.Logf("Failure time: %v", time.Now().Format(
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"2006-01-02 15:04:05.000",
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))
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@ -622,10 +619,9 @@ func testRevokedCloseRetributionAltruistWatchtower(net *lntest.NetworkHarness,
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}
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}
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func testRevokedCloseRetributionAltruistWatchtowerCase(
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net *lntest.NetworkHarness, t *harnessTest, anchors bool) {
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func testRevokedCloseRetributionAltruistWatchtowerCase(ht *lntemp.HarnessTest,
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anchors bool) {
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ctxb := context.Background()
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const (
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chanAmt = funding.MaxBtcFundingAmount
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paymentAmt = 10000
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@ -639,49 +635,32 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(
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if anchors {
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carolArgs = append(carolArgs, "--protocol.anchors")
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}
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carol := net.NewNode(t.t, "Carol", carolArgs)
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defer shutdownAndAssert(net, t, carol)
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carol := ht.NewNode("Carol", carolArgs)
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// Willy the watchtower will protect Dave from Carol's breach. He will
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// remain online in order to punish Carol on Dave's behalf, since the
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// breach will happen while Dave is offline.
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willy := net.NewNode(t.t, "Willy", []string{
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"--watchtower.active",
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"--watchtower.externalip=" + externalIP,
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})
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defer shutdownAndAssert(net, t, willy)
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ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
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willyInfo, err := willy.Watchtower.GetInfo(
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ctxt, &watchtowerrpc.GetInfoRequest{},
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willy := ht.NewNode(
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"Willy", []string{"--watchtower.active",
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"--watchtower.externalip=" + externalIP},
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)
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if err != nil {
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t.Fatalf("unable to getinfo from willy: %v", err)
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}
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willyInfo := willy.RPC.GetInfoWatchtower()
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// Assert that Willy has one listener and it is 0.0.0.0:9911 or
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// [::]:9911. Since no listener is explicitly specified, one of these
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// should be the default depending on whether the host supports IPv6 or
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// not.
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if len(willyInfo.Listeners) != 1 {
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t.Fatalf("Willy should have 1 listener, has %d",
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len(willyInfo.Listeners))
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}
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require.Len(ht, willyInfo.Listeners, 1, "Willy should have 1 listener")
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listener := willyInfo.Listeners[0]
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if listener != "0.0.0.0:9911" && listener != "[::]:9911" {
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t.Fatalf("expected listener on 0.0.0.0:9911 or [::]:9911, "+
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ht.Fatalf("expected listener on 0.0.0.0:9911 or [::]:9911, "+
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"got %v", listener)
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}
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// Assert the Willy's URIs properly display the chosen external IP.
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if len(willyInfo.Uris) != 1 {
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t.Fatalf("Willy should have 1 uri, has %d",
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len(willyInfo.Uris))
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}
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if !strings.Contains(willyInfo.Uris[0], externalIP) {
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t.Fatalf("expected uri with %v, got %v",
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externalIP, willyInfo.Uris[0])
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}
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require.Len(ht, willyInfo.Uris, 1, "Willy should have 1 uri")
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require.Contains(ht, willyInfo.Uris[0], externalIP)
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// Dave will be the breached party. We set --nolisten to ensure Carol
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// won't be able to connect to him and trigger the channel data
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@ -693,110 +672,67 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(
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if anchors {
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daveArgs = append(daveArgs, "--protocol.anchors")
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}
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dave := net.NewNode(t.t, "Dave", daveArgs)
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defer shutdownAndAssert(net, t, dave)
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dave := ht.NewNode("Dave", daveArgs)
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ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
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addTowerReq := &wtclientrpc.AddTowerRequest{
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Pubkey: willyInfo.Pubkey,
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Address: listener,
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}
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if _, err := dave.WatchtowerClient.AddTower(ctxt, addTowerReq); err != nil {
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t.Fatalf("unable to add willy's watchtower: %v", err)
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}
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dave.RPC.AddTower(addTowerReq)
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// We must let Dave have an open channel before she can send a node
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// announcement, so we open a channel with Carol,
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net.ConnectNodes(t.t, dave, carol)
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ht.ConnectNodes(dave, carol)
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// Before we make a channel, we'll load up Dave with some coins sent
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// directly from the miner.
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net.SendCoins(t.t, btcutil.SatoshiPerBitcoin, dave)
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ht.FundCoins(btcutil.SatoshiPerBitcoin, dave)
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// In order to test Dave's response to an uncooperative channel
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// closure by Carol, we'll first open up a channel between them with a
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// 0.5 BTC value.
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chanPoint := openChannelAndAssert(
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t, net, dave, carol,
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lntest.OpenChannelParams{
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Amt: 3 * (chanAmt / 4),
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PushAmt: chanAmt / 4,
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},
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)
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params := lntemp.OpenChannelParams{
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Amt: 3 * (chanAmt / 4),
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PushAmt: chanAmt / 4,
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}
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chanPoint := ht.OpenChannel(dave, carol, params)
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// With the channel open, we'll create a few invoices for Carol that
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// Dave will pay to in order to advance the state of the channel.
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carolPayReqs, _, _, err := createPayReqs(
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carol, paymentAmt, numInvoices,
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)
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if err != nil {
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t.Fatalf("unable to create pay reqs: %v", err)
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}
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// Wait for Dave to receive the channel edge from the funding manager.
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err = dave.WaitForNetworkChannelOpen(chanPoint)
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if err != nil {
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t.Fatalf("dave didn't see the dave->carol channel before "+
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"timeout: %v", err)
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}
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carolPayReqs, _, _ := ht.CreatePayReqs(carol, paymentAmt, numInvoices)
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// Next query for Carol's channel state, as we sent 0 payments, Carol
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// should still see her balance as the push amount, which is 1/4 of the
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// capacity.
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carolChan, err := getChanInfo(carol)
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if err != nil {
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t.Fatalf("unable to get carol's channel info: %v", err)
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}
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if carolChan.LocalBalance != int64(chanAmt/4) {
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t.Fatalf("carol's balance is incorrect, got %v, expected %v",
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carolChan.LocalBalance, chanAmt/4)
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}
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carolChan := ht.AssertChannelLocalBalance(
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carol, chanPoint, int64(chanAmt/4),
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)
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// Grab Carol's current commitment height (update number), we'll later
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// revert her to this state after additional updates to force him to
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// broadcast this soon to be revoked state.
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carolStateNumPreCopy := carolChan.NumUpdates
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carolStateNumPreCopy := int(carolChan.NumUpdates)
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// With the temporary file created, copy Carol's current state into the
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// temporary file we created above. Later after more updates, we'll
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// restore this state.
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if err := net.BackupDb(carol); err != nil {
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t.Fatalf("unable to copy database files: %v", err)
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}
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ht.BackupDB(carol)
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// Reconnect the peers after the restart that was needed for the db
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// backup.
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net.EnsureConnected(t.t, dave, carol)
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ht.EnsureConnected(dave, carol)
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// Finally, send payments from Dave to Carol, consuming Carol's remaining
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// payment hashes.
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err = completePaymentRequests(
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dave, dave.RouterClient, carolPayReqs, false,
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)
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if err != nil {
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t.Fatalf("unable to send payments: %v", err)
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}
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ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
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daveBalReq := &lnrpc.WalletBalanceRequest{}
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daveBalResp, err := dave.WalletBalance(ctxt, daveBalReq)
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if err != nil {
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t.Fatalf("unable to get dave's balance: %v", err)
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}
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// Finally, send payments from Dave to Carol, consuming Carol's
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// remaining payment hashes.
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ht.CompletePaymentRequestsNoWait(dave, carolPayReqs, chanPoint)
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daveBalResp := dave.RPC.WalletBalance()
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davePreSweepBalance := daveBalResp.ConfirmedBalance
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// Wait until the backup has been accepted by the watchtower before
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// shutting down Dave.
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err = wait.NoError(func() error {
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ctxt, cancel := context.WithTimeout(ctxb, defaultTimeout)
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defer cancel()
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bkpStats, err := dave.WatchtowerClient.Stats(ctxt,
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&wtclientrpc.StatsRequest{},
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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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err := wait.NoError(func() error {
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bkpStats := dave.RPC.WatchtowerStats()
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if bkpStats == nil {
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return errors.New("no active backup sessions")
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}
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@ -806,197 +742,128 @@ func testRevokedCloseRetributionAltruistWatchtowerCase(
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return nil
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}, defaultTimeout)
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if err != nil {
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t.Fatalf("unable to verify backup task completed: %v", err)
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}
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require.NoError(ht, err, "unable to verify backup task completed")
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// Shutdown Dave to simulate going offline for an extended period of
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// time. Once he's not watching, Carol will try to breach the channel.
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restart, err := net.SuspendNode(dave)
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if err != nil {
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t.Fatalf("unable to suspend Dave: %v", err)
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}
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restart := ht.SuspendNode(dave)
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// Now we shutdown Carol, copying over the his temporary database state
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// which has the *prior* channel state over his current most up to date
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// state. With this, we essentially force Carol to travel back in time
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// within the channel's history.
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if err = net.RestartNode(carol, func() error {
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return net.RestoreDb(carol)
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}); err != nil {
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t.Fatalf("unable to restart node: %v", err)
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}
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ht.RestartNodeAndRestoreDB(carol)
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// Now query for Carol's channel state, it should show that he's at a
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// state number in the past, not the *latest* state.
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carolChan, err = getChanInfo(carol)
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if err != nil {
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t.Fatalf("unable to get carol chan info: %v", err)
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}
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if carolChan.NumUpdates != carolStateNumPreCopy {
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t.Fatalf("db copy failed: %v", carolChan.NumUpdates)
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}
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ht.AssertChannelCommitHeight(carol, chanPoint, carolStateNumPreCopy)
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// Now force Carol to execute a *force* channel closure by unilaterally
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// broadcasting his current channel state. This is actually the
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// commitment transaction of a prior *revoked* state, so he'll soon
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// feel the wrath of Dave's retribution.
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closeUpdates, closeTxID, err := net.CloseChannel(carol, chanPoint, true)
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if err != nil {
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t.Fatalf("unable to close channel: %v", err)
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}
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// Query the mempool for the breaching closing transaction, this should
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// be broadcast by Carol when she force closes the channel above.
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txid, err := waitForTxInMempool(net.Miner.Client, minerMempoolTimeout)
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if err != nil {
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t.Fatalf("unable to find Carol's force close tx in mempool: %v",
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err)
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}
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if *txid != *closeTxID {
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t.Fatalf("expected closeTx(%v) in mempool, instead found %v",
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closeTxID, txid)
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}
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closeUpdates, closeTxID := ht.CloseChannelAssertPending(
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carol, chanPoint, true,
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)
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// Finally, generate a single block, wait for the final close status
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// update, then ensure that the closing transaction was included in the
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// block.
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block := mineBlocks(t, net, 1, 1)[0]
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block := ht.MineBlocksAndAssertNumTxes(1, 1)[0]
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breachTXID, err := net.WaitForChannelClose(closeUpdates)
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if err != nil {
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t.Fatalf("error while waiting for channel close: %v", err)
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}
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assertTxInBlock(t, block, breachTXID)
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breachTXID := ht.WaitForChannelCloseEvent(closeUpdates)
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ht.Miner.AssertTxInBlock(block, breachTXID)
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// The breachTXID should match the above closeTxID.
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require.EqualValues(ht, breachTXID, closeTxID)
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// Query the mempool for Dave's justice transaction, this should be
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// broadcast as Carol's contract breaching transaction gets confirmed
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// above.
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justiceTXID, err := waitForTxInMempool(net.Miner.Client, minerMempoolTimeout)
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if err != nil {
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t.Fatalf("unable to find Dave's justice tx in mempool: %v",
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err)
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}
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time.Sleep(100 * time.Millisecond)
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justiceTXID := ht.Miner.AssertNumTxsInMempool(1)[0]
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// Query for the mempool transaction found above. Then assert that all
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// the inputs of this transaction are spending outputs generated by
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// Carol's breach transaction above.
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justiceTx, err := net.Miner.Client.GetRawTransaction(justiceTXID)
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if err != nil {
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t.Fatalf("unable to query for justice tx: %v", err)
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}
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justiceTx := ht.Miner.GetRawTransaction(justiceTXID)
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for _, txIn := range justiceTx.MsgTx().TxIn {
|
||||
if !bytes.Equal(txIn.PreviousOutPoint.Hash[:], breachTXID[:]) {
|
||||
t.Fatalf("justice tx not spending commitment utxo "+
|
||||
"instead is: %v", txIn.PreviousOutPoint)
|
||||
}
|
||||
require.Equal(ht, breachTXID[:], txIn.PreviousOutPoint.Hash[:],
|
||||
"justice tx not spending commitment utxo")
|
||||
}
|
||||
|
||||
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
||||
willyBalReq := &lnrpc.WalletBalanceRequest{}
|
||||
willyBalResp, err := willy.WalletBalance(ctxt, willyBalReq)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to get willy's balance: %v", err)
|
||||
}
|
||||
|
||||
if willyBalResp.ConfirmedBalance != 0 {
|
||||
t.Fatalf("willy should have 0 balance before mining "+
|
||||
"justice transaction, instead has %d",
|
||||
willyBalResp.ConfirmedBalance)
|
||||
}
|
||||
willyBalResp := willy.RPC.WalletBalance()
|
||||
require.Zero(ht, willyBalResp.ConfirmedBalance,
|
||||
"willy should have 0 balance before mining justice transaction")
|
||||
|
||||
// Now mine a block, this transaction should include Dave's justice
|
||||
// transaction which was just accepted into the mempool.
|
||||
block = mineBlocks(t, net, 1, 1)[0]
|
||||
block = ht.MineBlocksAndAssertNumTxes(1, 1)[0]
|
||||
|
||||
// The block should have exactly *two* transactions, one of which is
|
||||
// the justice transaction.
|
||||
if len(block.Transactions) != 2 {
|
||||
t.Fatalf("transaction wasn't mined")
|
||||
}
|
||||
require.Len(ht, block.Transactions, 2, "transaction wasn't mined")
|
||||
justiceSha := block.Transactions[1].TxHash()
|
||||
if !bytes.Equal(justiceTx.Hash()[:], justiceSha[:]) {
|
||||
t.Fatalf("justice tx wasn't mined")
|
||||
}
|
||||
require.Equal(ht, justiceTx.Hash()[:], justiceSha[:],
|
||||
"justice tx wasn't mined")
|
||||
|
||||
// Ensure that Willy doesn't get any funds, as he is acting as an
|
||||
// altruist watchtower.
|
||||
var predErr error
|
||||
err = wait.Invariant(func() bool {
|
||||
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
||||
willyBalReq := &lnrpc.WalletBalanceRequest{}
|
||||
willyBalResp, err := willy.WalletBalance(ctxt, willyBalReq)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to get willy's balance: %v", err)
|
||||
}
|
||||
err = wait.NoError(func() error {
|
||||
willyBalResp := willy.RPC.WalletBalance()
|
||||
|
||||
if willyBalResp.ConfirmedBalance != 0 {
|
||||
predErr = fmt.Errorf("Expected Willy to have no funds "+
|
||||
return fmt.Errorf("Expected Willy to have no funds "+
|
||||
"after justice transaction was mined, found %v",
|
||||
willyBalResp)
|
||||
return false
|
||||
}
|
||||
|
||||
return true
|
||||
return nil
|
||||
}, time.Second*5)
|
||||
if err != nil {
|
||||
t.Fatalf("%v", predErr)
|
||||
}
|
||||
require.NoError(ht, err, "timeout checking willy's balance")
|
||||
|
||||
// Before restarting Dave, shutdown Carol so Dave won't sync with her.
|
||||
// Otherwise, during the restart, Dave will realize Carol is falling
|
||||
// behind and return `ErrCommitSyncRemoteDataLoss`, thus force closing
|
||||
// the channel. Although this force close tx will be later replaced by
|
||||
// the breach tx, it will create two anchor sweeping txes for neutrino
|
||||
// backend, causing the confirmed wallet balance to be zero later on
|
||||
// because the utxos are used in sweeping.
|
||||
ht.Shutdown(carol)
|
||||
|
||||
// Restart Dave, who will still think his channel with Carol is open.
|
||||
// We should him to detect the breach, but realize that the funds have
|
||||
// then been swept to his wallet by Willy.
|
||||
err = restart()
|
||||
if err != nil {
|
||||
t.Fatalf("unable to restart dave: %v", err)
|
||||
}
|
||||
|
||||
err = wait.Predicate(func() bool {
|
||||
ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
|
||||
daveBalReq := &lnrpc.ChannelBalanceRequest{}
|
||||
daveBalResp, err := dave.ChannelBalance(ctxt, daveBalReq)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to get dave's balance: %v", err)
|
||||
}
|
||||
require.NoError(ht, restart(), "unable to restart dave")
|
||||
|
||||
err = wait.NoError(func() error {
|
||||
daveBalResp := dave.RPC.ChannelBalance()
|
||||
if daveBalResp.LocalBalance.Sat != 0 {
|
||||
predErr = fmt.Errorf("Dave should end up with zero "+
|
||||
return fmt.Errorf("Dave should end up with zero "+
|
||||
"channel balance, instead has %d",
|
||||
daveBalResp.LocalBalance.Sat)
|
||||
return false
|
||||
}
|
||||
|
||||
return true
|
||||
return nil
|
||||
}, defaultTimeout)
|
||||
if err != nil {
|
||||
t.Fatalf("%v", predErr)
|
||||
}
|
||||
require.NoError(ht, err, "timeout checking dave's channel balance")
|
||||
|
||||
assertNumPendingChannels(t, dave, 0, 0)
|
||||
ht.AssertNumPendingForceClose(dave, 0)
|
||||
|
||||
err = wait.Predicate(func() bool {
|
||||
ctxt, _ := context.WithTimeout(ctxb, defaultTimeout)
|
||||
daveBalReq := &lnrpc.WalletBalanceRequest{}
|
||||
daveBalResp, err := dave.WalletBalance(ctxt, daveBalReq)
|
||||
if err != nil {
|
||||
t.Fatalf("unable to get dave's balance: %v", err)
|
||||
}
|
||||
// Check that Dave's wallet balance is increased.
|
||||
err = wait.NoError(func() error {
|
||||
daveBalResp := dave.RPC.WalletBalance()
|
||||
|
||||
if daveBalResp.ConfirmedBalance <= davePreSweepBalance {
|
||||
predErr = fmt.Errorf("Dave should have more than %d "+
|
||||
return fmt.Errorf("Dave should have more than %d "+
|
||||
"after sweep, instead has %d",
|
||||
davePreSweepBalance,
|
||||
daveBalResp.ConfirmedBalance)
|
||||
return false
|
||||
}
|
||||
|
||||
return true
|
||||
return nil
|
||||
}, defaultTimeout)
|
||||
if err != nil {
|
||||
t.Fatalf("%v", predErr)
|
||||
}
|
||||
require.NoError(ht, err, "timeout checking dave's wallet balance")
|
||||
|
||||
// Dave should have no open channels.
|
||||
assertNodeNumChannels(t, dave, 0)
|
||||
ht.AssertNodeNumChannels(dave, 0)
|
||||
}
|
||||
|
@ -72,10 +72,6 @@ var allTestCases = []*testCase{
|
||||
name: "switch offline delivery outgoing offline",
|
||||
test: testSwitchOfflineDeliveryOutgoingOffline,
|
||||
},
|
||||
{
|
||||
name: "revoked uncooperative close retribution altruist watchtower",
|
||||
test: testRevokedCloseRetributionAltruistWatchtower,
|
||||
},
|
||||
{
|
||||
name: "query routes",
|
||||
test: testQueryRoutes,
|
||||
|
Loading…
Reference in New Issue
Block a user