channeldb: remove hardcoded netparams

channeldb/channel_test.go

@@ -10,12 +10,15 @@ import (
 	"github.com/LightningNetwork/lnd/elkrem"
 	"github.com/Roasbeef/btcd/txscript"
 	"github.com/btcsuite/btcd/btcec"
+	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcd/wire"
 	"github.com/btcsuite/btcutil"
 	_ "github.com/btcsuite/btcwallet/walletdb/bdb"
 )
 
 var (
+	netParams = &chaincfg.SegNet4Params
+
 	key = [wire.HashSize]byte{
 		0x81, 0xb6, 0x37, 0xd8, 0xfc, 0xd2, 0xc6, 0xda,
 		0x68, 0x59, 0xe6, 0x96, 0x31, 0x13, 0xa1, 0x17,
@@ -95,7 +98,7 @@ func TestOpenChannelEncodeDecode(t *testing.T) {
 
 	// Next, create channeldb for the first time, also setting a mock
 	// EncryptorDecryptor implementation for testing purposes.
-	cdb, err := Open(tempDirName)
+	cdb, err := Open(tempDirName, netParams)
 	if err != nil {
 		t.Fatalf("unable to create channeldb: %v", err)
 	}
@@ -103,7 +106,7 @@ func TestOpenChannelEncodeDecode(t *testing.T) {
 	defer cdb.Close()
 
 	privKey, pubKey := btcec.PrivKeyFromBytes(btcec.S256(), key[:])
-	addr, err := btcutil.NewAddressPubKey(pubKey.SerializeCompressed(), ActiveNetParams)
+	addr, err := btcutil.NewAddressPubKey(pubKey.SerializeCompressed(), netParams)
 	if err != nil {
 		t.Fatalf("unable to create delivery address")
 	}

channeldb/db.go

@@ -9,6 +9,7 @@ import (
 	"sync"
 
 	"github.com/boltdb/bolt"
+	"github.com/btcsuite/btcd/chaincfg"
 )
 
 const (
@@ -37,13 +38,15 @@ type EncryptorDecryptor interface {
 type DB struct {
 	store *bolt.DB
 
+	netParams *chaincfg.Params
+
 	cryptoSystem EncryptorDecryptor
 }
 
 // Open opens an existing channeldb created under the passed namespace with
 // sensitive data encrypted by the passed EncryptorDecryptor implementation.
 // TODO(roasbeef): versioning?
-func Open(dbPath string) (*DB, error) {
+func Open(dbPath string, netParams *chaincfg.Params) (*DB, error) {
 	path := filepath.Join(dbPath, dbName)
 
 	if !fileExists(path) {
@@ -57,7 +60,7 @@ func Open(dbPath string) (*DB, error) {
 		return nil, err
 	}
 
-	return &DB{store: bdb}, nil
+	return &DB{store: bdb, netParams: netParams}, nil
 }
 
 // RegisterCryptoSystem...

channeldb/db_test.go

@@ -18,7 +18,7 @@ func TestOpenWithCreate(t *testing.T) {
 
 	// Next, open thereby creating channeldb for the first time.
 	dbPath := filepath.Join(tempDirName, "cdb")
-	cdb, err := Open(dbPath)
+	cdb, err := Open(dbPath, netParams)
 	if err != nil {
 		t.Fatalf("unable to create channeldb: %v", err)
 	}

channeldb/nodes.go

@@ -6,13 +6,11 @@ import (
 	"golang.org/x/crypto/ripemd160"
 
 	"github.com/boltdb/bolt"
-	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcutil"
 )
 
 var (
 	idBucket = []byte("i")
-	ActiveNetParams = &chaincfg.TestNet3Params
 )
 
 // PutIdKey saves the hash160 of the public key used for our identity within
@@ -52,5 +50,5 @@ func (d *DB) GetIdAdr() (*btcutil.AddressPubKeyHash, error) {
 	}
 
 	log.Infof("identity key has length %d", len(pkh))
-	return btcutil.NewAddressPubKeyHash(pkh, ActiveNetParams)
+	return btcutil.NewAddressPubKeyHash(pkh, d.netParams)
 }