Fix linting issues

bchain/coins/flo/floparser.go

@@ -3,16 +3,19 @@ package flo
 import (
 	"blockbook/bchain"
 	"blockbook/bchain/coins/btc"
+
 	"github.com/martinboehm/btcd/wire"
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0xf1a5c0fd
 	TestnetMagic wire.BitcoinNet = 0xf25ac0fd
 	RegtestMagic wire.BitcoinNet = 0xdab5bffa
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params

bchain/coins/koto/kotorpc.go

@@ -9,10 +9,12 @@ import (
 	"github.com/juju/errors"
 )
 
+// KotoRPC is an interface to JSON-RPC bitcoind service
 type KotoRPC struct {
 	*btc.BitcoinRPC
 }
 
+// NewKotoRPC returns new LitecoinRPC instance
 func NewKotoRPC(config json.RawMessage, pushHandler func(bchain.NotificationType)) (bchain.BlockChain, error) {
 	b, err := btc.NewBitcoinRPC(config, pushHandler)
 	if err != nil {

bchain/coins/monacoin/monacoinparser.go

@@ -7,11 +7,13 @@ import (
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0xdbb6c0fb
 	TestnetMagic wire.BitcoinNet = 0xf1c8d2fd
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params

bchain/coins/myriad/myriadparser.go

@@ -10,10 +10,12 @@ import (
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0xee7645af
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 )

bchain/coins/nuls/nulsparser_test.go

@@ -5,11 +5,12 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"encoding/json"
-	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/martinboehm/btcutil/hdkeychain"
 	"math/big"
 	"reflect"
 	"testing"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/martinboehm/btcutil/hdkeychain"
 )
 
 var (
@@ -362,7 +363,7 @@ func TestDeriveAddressDescriptorsFromTo(t *testing.T) {
 		return
 	}
 
-	key1, err := changeExtKey.Child(0)
+	key1, _ := changeExtKey.Child(0)
 	priKey1, _ := key1.ECPrivKey()
 	wantPriKey1 := "0x995c98115809359eb57a5e179558faddd55ef88f88e5cf58617a5f9f3d6bb3a1"
 	if !reflect.DeepEqual(hexutil.MustDecode(wantPriKey1), priKey1.Serialize()) {
@@ -376,7 +377,7 @@ func TestDeriveAddressDescriptorsFromTo(t *testing.T) {
 		return
 	}
 
-	key2, err := changeExtKey.Child(1)
+	key2, _ := changeExtKey.Child(1)
 	priKey2, _ := key2.ECPrivKey()
 	wantPriKey2 := "0x0f65dee42d3c974c1a4bcc79f141be89715dc8d6406faa9ad4f1f55ca95fabc8"
 	if !reflect.DeepEqual(hexutil.MustDecode(wantPriKey2), priKey2.Serialize()) {
@@ -390,7 +391,7 @@ func TestDeriveAddressDescriptorsFromTo(t *testing.T) {
 		return
 	}
 
-	key3, err := changeExtKey.Child(2)
+	key3, _ := changeExtKey.Child(2)
 	priKey3, _ := key3.ECPrivKey()
 	wantPriKey3 := "0x6fd98d1d9c3f3ac1ff61bbf3f20e89f00ffa8d43a554f2a7d73fd464b6666f45"
 	if !reflect.DeepEqual(hexutil.MustDecode(wantPriKey3), priKey3.Serialize()) {
@@ -404,7 +405,7 @@ func TestDeriveAddressDescriptorsFromTo(t *testing.T) {
 		return
 	}
 
-	key4, err := changeExtKey.Child(3)
+	key4, _ := changeExtKey.Child(3)
 	priKey4, _ := key4.ECPrivKey()
 	wantPriKey4 := "0x21412d9e33aba493faf4bc7d408ed5290bea5b36a7beec554b858051f8d4bff3"
 	if !reflect.DeepEqual(hexutil.MustDecode(wantPriKey4), priKey4.Serialize()) {
@@ -418,7 +419,7 @@ func TestDeriveAddressDescriptorsFromTo(t *testing.T) {
 		return
 	}
 
-	key5, err := changeExtKey.Child(4)
+	key5, _ := changeExtKey.Child(4)
 	priKey5, _ := key5.ECPrivKey()
 	wantPriKey5 := "0xdc3d290e32a4e0f38bc26c25a78ceb1c8779110883d9cb0be54629043c1f8724"
 	if !reflect.DeepEqual(hexutil.MustDecode(wantPriKey5), priKey5.Serialize()) {

bchain/coins/ravencoin/ravencoinparser.go

@@ -10,11 +10,13 @@ import (
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0x4e564152
 	TestnetMagic wire.BitcoinNet = 0x544e5652
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params

bchain/coins/ritocoin/ritocoinparser.go

@@ -10,11 +10,13 @@ import (
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0x2a7bc0a1
 	TestnetMagic wire.BitcoinNet = 0x514E5352
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params

bchain/coins/viacoin/viacoinrpc.go

@@ -4,11 +4,11 @@ import (
 	"blockbook/bchain"
 	"blockbook/bchain/coins/btc"
 	"encoding/json"
+
 	"github.com/golang/glog"
 )
 
 // ViacoinRPC is an interface to JSON-RPC bitcoind service
-
 type ViacoinRPC struct {
 	*btc.BitcoinRPC
 }

bchain/coins/vipstarcoin/vipstarcoinparser.go

@@ -12,11 +12,13 @@ import (
 	"github.com/martinboehm/btcutil/chaincfg"
 )
 
+// magic numbers
 const (
 	MainnetMagic wire.BitcoinNet = 0x012ce7b5
 	TestnetMagic wire.BitcoinNet = 0x1a2b3c4d
 )
 
+// chain parameters
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params
@@ -96,6 +98,7 @@ func parseBlockHeader(r io.Reader) (*wire.BlockHeader, error) {
 	return h, err
 }
 
+// ParseBlock parses block from byte array
 func (p *VIPSTARCOINParser) ParseBlock(b []byte) (*bchain.Block, error) {
 	r := bytes.NewReader(b)
 	w := wire.MsgBlock{}