itest: fix make lint

lntest/itest/assertions.go

@@ -361,7 +361,7 @@ func assertChannelClosed(ctx context.Context, t *harnessTest,
 // findForceClosedChannel searches a pending channel response for a particular
 // channel, returning the force closed channel upon success.
 func findForceClosedChannel(pendingChanResp *lnrpc.PendingChannelsResponse,
-	op *wire.OutPoint) (*lnrpc.PendingChannelsResponse_ForceClosedChannel,
+	op fmt.Stringer) (*lnrpc.PendingChannelsResponse_ForceClosedChannel,
 	error) {
 
 	for _, forceClose := range pendingChanResp.PendingForceClosingChannels {
@@ -376,7 +376,7 @@ func findForceClosedChannel(pendingChanResp *lnrpc.PendingChannelsResponse,
 // findWaitingCloseChannel searches a pending channel response for a particular
 // channel, returning the waiting close channel upon success.
 func findWaitingCloseChannel(pendingChanResp *lnrpc.PendingChannelsResponse,
-	op *wire.OutPoint) (*lnrpc.PendingChannelsResponse_WaitingCloseChannel,
+	op fmt.Stringer) (*lnrpc.PendingChannelsResponse_WaitingCloseChannel,
 	error) {
 
 	for _, waitingClose := range pendingChanResp.WaitingCloseChannels {
@@ -1237,7 +1237,7 @@ func assertNumPendingChannels(t *harnessTest, node *lntest.HarnessNode,
 		}
 		n := len(pendingChanResp.WaitingCloseChannels)
 		if n != expWaitingClose {
-			predErr = fmt.Errorf("Expected to find %d channels "+
+			predErr = fmt.Errorf("expected to find %d channels "+
 				"waiting close, found %d", expWaitingClose, n)
 			return false
 		}

lntest/itest/lnd_channel_force_close.go

@@ -379,10 +379,7 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 	var predErr error
 	err = wait.Predicate(func() bool {
 		predErr = assertNumActiveHtlcs(nodes, numInvoices)
-		if predErr != nil {
-			return false
-		}
-		return true
+		return predErr == nil
 	}, defaultTimeout)
 	if err != nil {
 		t.Fatalf("htlc mismatch: %v", predErr)
@@ -1136,11 +1133,7 @@ func channelForceClosureTest(net *lntest.NetworkHarness, t *harnessTest,
 		}
 
 		predErr = checkPendingChannelNumHtlcs(forceClose, numInvoices)
-		if predErr != nil {
-			return false
-		}
-
-		return true
+		return predErr == nil
 	}, defaultTimeout)
 	if err != nil {
 		t.Fatalf(predErr.Error())
@@ -1473,7 +1466,7 @@ func testFailingChannel(net *lntest.NetworkHarness, t *harnessTest) {
 		}
 		n := len(pendingChanResp.WaitingCloseChannels)
 		if n != 1 {
-			predErr = fmt.Errorf("Expected to find %d channels "+
+			predErr = fmt.Errorf("expected to find %d channels "+
 				"waiting close, found %d", 1, n)
 			return false
 		}
@@ -1503,7 +1496,7 @@ func testFailingChannel(net *lntest.NetworkHarness, t *harnessTest) {
 		}
 		n := len(pendingChanResp.WaitingCloseChannels)
 		if n != 0 {
-			predErr = fmt.Errorf("Expected to find %d channels "+
+			predErr = fmt.Errorf("expected to find %d channels "+
 				"waiting close, found %d", 0, n)
 			return false
 		}

lntest/itest/lnd_channel_policy_test.go

@@ -235,14 +235,14 @@ func testUpdateChannelPolicy(net *lntest.NetworkHarness, t *harnessTest) {
 	payAmt = btcutil.Amount(4)
 	amtSat := int64(payAmt)
 	amtMSat := int64(lnwire.NewMSatFromSatoshis(payAmt))
-	routes.Routes[0].Hops[0].AmtToForward = amtSat
+	routes.Routes[0].Hops[0].AmtToForward = amtSat // nolint:staticcheck
 	routes.Routes[0].Hops[0].AmtToForwardMsat = amtMSat
-	routes.Routes[0].Hops[1].AmtToForward = amtSat
+	routes.Routes[0].Hops[1].AmtToForward = amtSat // nolint:staticcheck
 	routes.Routes[0].Hops[1].AmtToForwardMsat = amtMSat
 
 	// Send the payment with the modified value.
 	ctxt, _ = context.WithTimeout(ctxb, defaultTimeout)
-	alicePayStream, err := net.Alice.SendToRoute(ctxt)
+	alicePayStream, err := net.Alice.SendToRoute(ctxt) // nolint:staticcheck
 	if err != nil {
 		t.Fatalf("unable to create payment stream for alice: %v", err)
 	}
@@ -279,9 +279,9 @@ func testUpdateChannelPolicy(net *lntest.NetworkHarness, t *harnessTest) {
 	payAmt = btcutil.Amount(5)
 	amtSat = int64(payAmt)
 	amtMSat = int64(lnwire.NewMSatFromSatoshis(payAmt))
-	routes.Routes[0].Hops[0].AmtToForward = amtSat
+	routes.Routes[0].Hops[0].AmtToForward = amtSat // nolint:staticcheck
 	routes.Routes[0].Hops[0].AmtToForwardMsat = amtMSat
-	routes.Routes[0].Hops[1].AmtToForward = amtSat
+	routes.Routes[0].Hops[1].AmtToForward = amtSat // nolint:staticcheck
 	routes.Routes[0].Hops[1].AmtToForwardMsat = amtMSat
 
 	// Manually set the MPP payload a new for each payment since

lntest/itest/lnd_misc_test.go

@@ -304,7 +304,7 @@ func testSphinxReplayPersistence(net *lntest.NetworkHarness, t *harnessTest) {
 	if err != nil {
 		t.Fatalf("unable to lookup invoice: %v", err)
 	}
-	if dbInvoice.Settled {
+	if dbInvoice.Settled { // nolint:staticcheck
 		t.Fatalf("dave's invoice should not be marked as settled: %v",
 			spew.Sdump(dbInvoice))
 	}

lntest/itest/lnd_payment_test.go

@@ -102,7 +102,7 @@ func testListPayments(net *lntest.NetworkHarness, t *harnessTest) {
 		t.Fatalf("incorrect number of payments, got %v, want %v",
 			len(paymentsResp.Payments), 1)
 	}
-	p := paymentsResp.Payments[0]
+	p := paymentsResp.Payments[0] // nolint:staticcheck
 	path := p.Htlcs[len(p.Htlcs)-1].Route.Hops
 
 	// Ensure that the stored path shows a direct payment to Bob with no
@@ -112,9 +112,9 @@ func testListPayments(net *lntest.NetworkHarness, t *harnessTest) {
 	}
 
 	// The payment amount should also match our previous payment directly.
-	if p.Value != paymentAmt {
+	if p.Value != paymentAmt { // nolint:staticcheck
 		t.Fatalf("incorrect amount, got %v, want %v",
-			p.Value, paymentAmt)
+			p.Value, paymentAmt) // nolint:staticcheck
 	}
 
 	// The payment hash (or r-hash) should have been stored correctly.
@@ -126,8 +126,8 @@ func testListPayments(net *lntest.NetworkHarness, t *harnessTest) {
 
 	// As we made a single-hop direct payment, there should have been no fee
 	// applied.
-	if p.Fee != 0 {
-		t.Fatalf("incorrect Fee, got %v, want %v", p.Fee, 0)
+	if p.Fee != 0 { // nolint:staticcheck
+		t.Fatalf("incorrect Fee, got %v, want %v", p.Fee, 0) // nolint:staticcheck
 	}
 
 	// Finally, verify that the payment request returned by the rpc matches

lntest/itest/lnd_switch_test.go

@@ -176,10 +176,7 @@ func testSwitchCircuitPersistence(net *lntest.NetworkHarness, t *harnessTest) {
 	var predErr error
 	err = wait.Predicate(func() bool {
 		predErr = assertNumActiveHtlcs(nodes, numPayments)
-		if predErr != nil {
-			return false
-		}
-		return true
+		return predErr == nil
 	}, defaultTimeout)
 	if err != nil {
 		t.Fatalf("htlc mismatch: %v", predErr)