htlcswitch: rename for test parameters for accuracy

htlcswitch/link_test.go

@@ -444,7 +444,7 @@ func TestChannelLinkSingleHopPayment(t *testing.T) {
 	t.Parallel()
 
 	// Setup a alice-bob network.
-	alice, bob, err := createTwoClusterChannels(
+	alice, bob, err := createMirroredChannel(
 		t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5,
 	)
 	require.NoError(t, err, "unable to create channel")
@@ -6318,7 +6318,7 @@ func TestChannelLinkCanceledInvoice(t *testing.T) {
 	t.Parallel()
 
 	// Setup a alice-bob network.
-	alice, bob, err := createTwoClusterChannels(
+	alice, bob, err := createMirroredChannel(
 		t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5,
 	)
 	require.NoError(t, err, "unable to create channel")
@@ -6374,7 +6374,7 @@ type hodlInvoiceTestCtx struct {
 
 func newHodlInvoiceTestCtx(t *testing.T) (*hodlInvoiceTestCtx, error) {
 	// Setup a alice-bob network.
-	alice, bob, err := createTwoClusterChannels(
+	alice, bob, err := createMirroredChannel(
 		t, btcutil.SatoshiPerBitcoin*3, btcutil.SatoshiPerBitcoin*5,
 	)
 	require.NoError(t, err, "unable to create channel")

htlcswitch/test_utils.go

@@ -1053,17 +1053,17 @@ func serverOptionRejectHtlc(alice, bob, carol bool) serverOption {
 	}
 }
 
-// createTwoClusterChannels creates lightning channels which are needed for
+// createMirroredChannel creates two LightningChannel objects which represent
-// a 2 hop network cluster to be initialized.
+// the state machines on either side of a single channel between alice and bob.
-func createTwoClusterChannels(t *testing.T, aliceToBob,
+func createMirroredChannel(t *testing.T, aliceToBob,
-	bobToCarol btcutil.Amount) (*testLightningChannel,
+	bobToAlice btcutil.Amount) (*testLightningChannel,
 	*testLightningChannel, error) {
 
 	_, _, firstChanID, _ := genIDs()
 
-	// Create lightning channels between Alice<->Bob and Bob<->Carol
+	// Create lightning channels between Alice<->Bob for Alice and Bob
 	alice, bob, err := createTestChannel(t, alicePrivKey, bobPrivKey,
-		aliceToBob, aliceToBob, 0, 0, firstChanID,
+		aliceToBob, bobToAlice, 0, 0, firstChanID,
 	)
 	if err != nil {
 		return nil, nil, errors.Errorf("unable to create "+