contractcourt: update channel arbitrator unit tests due to recent API changes

contractcourt/channel_arbitrator.go

@@ -5,12 +5,12 @@ import (
 	"sync"
 	"sync/atomic"
 
+	"github.com/btcsuite/btcd/wire"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwire"
-	"github.com/btcsuite/btcd/wire"
 )
 
 const (

contractcourt/channel_arbitrator_test.go

@@ -5,11 +5,11 @@ import (
 	"testing"
 	"time"
 
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/btcsuite/btcd/wire"
 	"github.com/lightningnetwork/lnd/chainntnfs"
 	"github.com/lightningnetwork/lnd/lnwallet"
 	"github.com/lightningnetwork/lnd/lnwire"
-	"github.com/btcsuite/btcd/chaincfg/chainhash"
-	"github.com/btcsuite/btcd/wire"
 )
 
 type mockChainIO struct{}
@@ -18,7 +18,7 @@ func (*mockChainIO) GetBestBlock() (*chainhash.Hash, int32, error) {
 	return nil, 0, nil
 }
 
-func (*mockChainIO) GetUtxo(op *wire.OutPoint,
+func (*mockChainIO) GetUtxo(op *wire.OutPoint, _ []byte,
 	heightHint uint32) (*wire.TxOut, error) {
 	return nil, nil
 }