channeldb/migration: copy current lnwire to migration dir

To avoid code changing underneath the static migrations, we copy the
lnwire dependency in its current form into the migration directory.

Ideally the migrations doesn't depend on any code that might change,
this takes us a step closer.

channeldb/migration_01_to_11/channel.go

@@ -12,8 +12,8 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/keychain"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/shachain"
 )
 

channeldb/migration_01_to_11/channel_test.go

@@ -11,8 +11,8 @@ import (
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	_ "github.com/btcsuite/btcwallet/walletdb/bdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/keychain"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/shachain"
 )
 

channeldb/migration_01_to_11/codec.go

@@ -10,8 +10,8 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/keychain"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/shachain"
 )
 

channeldb/migration_01_to_11/graph.go

@@ -14,7 +14,7 @@ import (
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 var (

channeldb/migration_01_to_11/graph_test.go

@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcd/btcec"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 var (

channeldb/migration_01_to_11/invoices.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/btcsuite/btcd/wire"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/lntypes"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/tlv"
 )
 

channeldb/migration_01_to_11/migration_09_legacy_serialization.go

@@ -8,8 +8,8 @@ import (
 	"sort"
 
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/lntypes"
-	"github.com/lightningnetwork/lnd/lnwire"
 )
 
 var (

channeldb/migration_01_to_11/migration_11_invoices.go

@@ -9,8 +9,8 @@ import (
 	bitcoinCfg "github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/channeldb/migration_01_to_11/zpay32"
-	"github.com/lightningnetwork/lnd/lnwire"
 	litecoinCfg "github.com/ltcsuite/ltcd/chaincfg"
 )
 

channeldb/migration_01_to_11/migrations.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 // MigrateNodeAndEdgeUpdateIndex is a migration function that will update the

channeldb/migration_01_to_11/migrations_test.go

@@ -14,8 +14,8 @@ import (
 	"github.com/davecgh/go-spew/spew"
 	"github.com/go-errors/errors"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/lntypes"
-	"github.com/lightningnetwork/lnd/lnwire"
 )
 
 // TestPaymentStatusesMigration checks that already completed payments will have

channeldb/migration_01_to_11/payments.go

@@ -12,8 +12,8 @@ import (
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/lightningnetwork/lnd/channeldb/kvdb"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/lntypes"
-	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/tlv"
 )
 

channeldb/migration_01_to_11/payments_test.go

@@ -7,7 +7,7 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcd/btcec"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 var (

channeldb/migration_01_to_11/route.go

@@ -11,7 +11,7 @@ import (
 
 	"github.com/btcsuite/btcd/btcec"
 	sphinx "github.com/lightningnetwork/lightning-onion"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 	"github.com/lightningnetwork/lnd/record"
 	"github.com/lightningnetwork/lnd/tlv"
 )

channeldb/migration_01_to_11/zpay32/amountunits.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strconv"
 
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 var (

channeldb/migration_01_to_11/zpay32/decode.go

@@ -13,7 +13,7 @@ import (
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/btcsuite/btcutil"
 	"github.com/btcsuite/btcutil/bech32"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 // Decode parses the provided encoded invoice and returns a decoded Invoice if

channeldb/migration_01_to_11/zpay32/invoice.go

@@ -8,7 +8,7 @@ import (
 	"github.com/btcsuite/btcd/btcec"
 	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcutil"
-	"github.com/lightningnetwork/lnd/lnwire"
+	lnwire "github.com/lightningnetwork/lnd/channeldb/migration/lnwire21"
 )
 
 const (