Merge branch 'params-registration'

Gopkg.lock

@@ -113,7 +113,7 @@
   branch = "master"
   name = "github.com/jakm/btcutil"
   packages = [".","base58","bech32","chaincfg","txscript"]
-  revision = "c50a69d8979c23daad1728b3574c6f20691174f7"
+  revision = "4656891ba33d07bb3c37ed1eb5120774c42a6bf6"
 
 [[projects]]
   branch = "master"

bchain/coins/bch/bcashparser.go

@@ -25,6 +25,23 @@ const (
 	RegTestPrefix = "bchreg:"
 )
 
+var (
+	MainNetParams chaincfg.Params
+	TestNetParams chaincfg.Params
+	RegtestParams chaincfg.Params
+)
+
+func init() {
+	MainNetParams = chaincfg.MainNetParams
+	MainNetParams.Net = bchutil.MainnetMagic
+
+	TestNetParams = chaincfg.TestNet3Params
+	TestNetParams.Net = bchutil.TestnetMagic
+
+	RegtestParams = chaincfg.RegressionNetParams
+	RegtestParams.Net = bchutil.Regtestmagic
+}
+
 // BCashParser handle
 type BCashParser struct {
 	*btc.BitcoinParser
@@ -62,17 +79,26 @@ func NewBCashParser(params *chaincfg.Params, c *btc.Configuration) (*BCashParser
 // the regression test Bitcoin Cash network, the test Bitcoin Cash network and
 // the simulation test Bitcoin Cash network, in this order
 func GetChainParams(chain string) *chaincfg.Params {
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err == nil {
+			err = chaincfg.Register(&RegtestParams)
+		}
+		if err != nil {
+			panic(err)
+		}
+	}
 	var params *chaincfg.Params
 	switch chain {
 	case "test":
-		params = &chaincfg.TestNet3Params
-		params.Net = bchutil.TestnetMagic
+		return &TestNetParams
 	case "regtest":
-		params = &chaincfg.RegressionNetParams
-		params.Net = bchutil.Regtestmagic
+		return &RegtestParams
 	default:
-		params = &chaincfg.MainNetParams
-		params.Net = bchutil.MainnetMagic
+		return &MainNetParams
 	}
 
 	return params

bchain/coins/bch/bcashparser_test.go

@@ -7,10 +7,19 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress(t *testing.T) {
 	mainParserCashAddr, mainParserLegacy, testParserCashAddr, _ := setupParsers(t)
 	tests := []struct {

bchain/coins/btc/bitcoinparser.go

@@ -42,6 +42,9 @@ func NewBitcoinParser(params *chaincfg.Params, c *Configuration) *BitcoinParser
 // the regression test Bitcoin network, the test Bitcoin network and
 // the simulation test Bitcoin network, in this order
 func GetChainParams(chain string) *chaincfg.Params {
+	if !chaincfg.IsRegistered(&chaincfg.MainNetParams) {
+		chaincfg.RegisterBitcoinParams()
+	}
 	switch chain {
 	case "test":
 		return &chaincfg.TestNet3Params

bchain/coins/btc/bitcoinparser_test.go

@@ -6,10 +6,19 @@ import (
 	"blockbook/bchain"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress(t *testing.T) {
 	type args struct {
 		address string

bchain/coins/btg/bgoldparser.go

@@ -23,7 +23,7 @@ var (
 	TestNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 
@@ -39,14 +39,6 @@ func initParams() {
 	// see https://github.com/satoshilabs/slips/blob/master/slip-0173.md
 	MainNetParams.Bech32HRPSegwit = "btg"
 	TestNetParams.Bech32HRPSegwit = "tbtg"
-
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err != nil {
-		panic(err)
-	}
 }
 
 // BGoldParser handle
@@ -63,8 +55,14 @@ func NewBGoldParser(params *chaincfg.Params, c *btc.Configuration) *BGoldParser
 // the regression test Bitcoin Cash network, the test Bitcoin Cash network and
 // the simulation test Bitcoin Cash network, in this order
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	case "test":

bchain/coins/btg/bgoldparser_test.go

@@ -8,10 +8,19 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io/ioutil"
+	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 type testBlock struct {
 	size int
 	time int64

bchain/coins/dash/dashparser.go

@@ -19,7 +19,7 @@ var (
 	RegtestParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 
@@ -40,17 +40,6 @@ func initParams() {
 	// Address encoding magics
 	RegtestParams.PubKeyHashAddrID = []byte{140} // base58 prefix: y
 	RegtestParams.ScriptHashAddrID = []byte{19}  // base58 prefix: 8 or 9
-
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err == nil {
-		err = chaincfg.Register(&RegtestParams)
-	}
-	if err != nil {
-		panic(err)
-	}
 }
 
 // DashParser handle
@@ -67,8 +56,17 @@ func NewDashParser(params *chaincfg.Params, c *btc.Configuration) *DashParser {
 // the regression test Dash network, the test Dash network and
 // the simulation test Dash network, in this order
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err == nil {
+			err = chaincfg.Register(&RegtestParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	case "test":

bchain/coins/dogecoin/dogecoinparser.go

@@ -18,16 +18,11 @@ var (
 	MainNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 	MainNetParams.PubKeyHashAddrID = []byte{30}
 	MainNetParams.ScriptHashAddrID = []byte{22}
-
-	err := chaincfg.Register(&MainNetParams)
-	if err != nil {
-		panic(err)
-	}
 }
 
 // DogecoinParser handle
@@ -43,8 +38,11 @@ func NewDogecoinParser(params *chaincfg.Params, c *btc.Configuration) *DogecoinP
 // GetChainParams contains network parameters for the main Dogecoin network,
 // and the test Dogecoin network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	default:

bchain/coins/dogecoin/dogecoinparser_test.go

@@ -10,11 +10,20 @@ import (
 	"fmt"
 	"io/ioutil"
 	"math/big"
+	"os"
 	"path/filepath"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Mainnet(t *testing.T) {
 	type args struct {
 		address string

bchain/coins/litecoin/litecoinparser.go

@@ -18,7 +18,7 @@ var (
 	TestNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 	MainNetParams.PubKeyHashAddrID = []byte{48}
@@ -30,14 +30,6 @@ func initParams() {
 	TestNetParams.PubKeyHashAddrID = []byte{111}
 	TestNetParams.ScriptHashAddrID = []byte{58}
 	TestNetParams.Bech32HRPSegwit = "tltc"
-
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err != nil {
-		panic(err)
-	}
 }
 
 // LitecoinParser handle
@@ -53,8 +45,17 @@ func NewLitecoinParser(params *chaincfg.Params, c *btc.Configuration) *LitecoinP
 // GetChainParams contains network parameters for the main Litecoin network,
 // and the test Litecoin network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&chaincfg.MainNetParams) {
+		chaincfg.RegisterBitcoinParams()
+	}
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	case "test":

bchain/coins/litecoin/litecoinparser_test.go

@@ -7,10 +7,19 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Testnet(t *testing.T) {
 	type args struct {
 		address string
@@ -28,17 +37,29 @@ func Test_GetAddrDescFromAddress_Testnet(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name:    "P2SH1",
+			name:    "P2SH1-legacy",
 			args:    args{address: "2MvGVySztevmycxrSmMRjJaVj2iJin7qpap"},
 			want:    "a9142126232e3f47ae0f1246ec5f05fc400d83c86a0d87",
 			wantErr: false,
 		},
 		{
-			name:    "P2SH2",
+			name:    "P2SH2-legacy",
 			args:    args{address: "2N9a2TNzWz1FEKGFxUdMEh62V83URdZ5QAZ"},
 			want:    "a914b31049e7ee51501fe19e3e0cdb803dc84cf99f9e87",
 			wantErr: false,
 		},
+		{
+			name:    "P2SH1",
+			args:    args{address: "QPdG6Ts8g2q4m9cVPTTkPGwAB6kYgXB7Hc"},
+			want:    "a9142126232e3f47ae0f1246ec5f05fc400d83c86a0d87",
+			wantErr: false,
+		},
+		{
+			name:    "P2SH2",
+			args:    args{address: "QcvnaPrm17JKTT216jPFmnTvGRvFX2fWzN"},
+			want:    "a914b31049e7ee51501fe19e3e0cdb803dc84cf99f9e87",
+			wantErr: false,
+		},
 	}
 	parser := NewLitecoinParser(GetChainParams("test"), &btc.Configuration{})
 

bchain/coins/monacoin/monacoinparser.go

@@ -26,7 +26,7 @@ var (
 	MonaTestParams monacoinCfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 	MainNetParams.PubKeyHashAddrID = []byte{50}
@@ -48,14 +48,6 @@ func initParams() {
 	MonaTestParams.PubKeyHashAddrID = 111
 	MonaTestParams.ScriptHashAddrID = 117
 	MonaTestParams.Bech32HRPSegwit = "tmona"
-
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err != nil {
-		panic(err)
-	}
 }
 
 // MonacoinParser handle
@@ -73,8 +65,14 @@ func NewMonacoinParser(params *chaincfg.Params, c *btc.Configuration) *MonacoinP
 // GetChainParams contains network parameters for the main Monacoin network,
 // and the test Monacoin network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	case "test":

bchain/coins/monacoin/monacoinparser_test.go

@@ -7,10 +7,19 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Testnet(t *testing.T) {
 	type args struct {
 		address string

bchain/coins/myriad/myriadparser.go

@@ -6,8 +6,8 @@ import (
 	"blockbook/bchain/coins/utils"
 	"bytes"
 
-	"github.com/jakm/btcutil/chaincfg"
 	"github.com/btcsuite/btcd/wire"
+	"github.com/jakm/btcutil/chaincfg"
 )
 
 const (
@@ -18,22 +18,17 @@ var (
 	MainNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 
 	MainNetParams.Bech32HRPSegwit = "my"
 
 	MainNetParams.PubKeyHashAddrID = []byte{50} // 0x32 - starts with M
-	MainNetParams.ScriptHashAddrID = []byte{9} // 0x09 - starts with 4
-	MainNetParams.PrivateKeyID = []byte{178} // 0xB2
-	
-	MainNetParams.HDCoinType = 90
+	MainNetParams.ScriptHashAddrID = []byte{9}  // 0x09 - starts with 4
+	MainNetParams.PrivateKeyID = []byte{178}    // 0xB2
 
-	err := chaincfg.Register(&MainNetParams)
-	if err != nil {
-		panic(err)
-	}
+	MainNetParams.HDCoinType = 90
 }
 
 // MyriadParser handle
@@ -48,8 +43,11 @@ func NewMyriadParser(params *chaincfg.Params, c *btc.Configuration) *MyriadParse
 
 // GetChainParams contains network parameters for the main Myriad network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	default:

bchain/coins/myriad/myriadparser_test.go

@@ -7,10 +7,19 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Mainnet(t *testing.T) {
 	type args struct {
 		address string
@@ -57,9 +66,8 @@ func Test_GetAddrDescFromAddress_Mainnet(t *testing.T) {
 	}
 }
 
-
 var (
-	testTx1 bchain.Tx
+	testTx1       bchain.Tx
 	testTxPacked1 = "00004e208ab194a1180100000001163465df9bb21d89e90056f11887a398d5a313aef71e3974306459661a91588c000000006b4830450220129c9e9a27406796f3f7d7edcc446037b38ddb3ef94745cec8e7cde618a811140221008eb3b893cdd3725e99b74c020867821e1f74199065260586f5ef3c22b133dd2a012103e2e23d38dc8fa493cde4077f650ab9f22eacafd14a10b123994f38c9f35dfee9ffffffff025e90ec28050000001976a9141cba92fe1510b8c73550fd4d3e0b44acdffcd12d88ac79c268ba0a0000001976a9142f86cdfa98cac89143cf9e3d309cc072caccdf6f88ac00000000"
 )
 

bchain/coins/namecoin/namecoinparser.go

@@ -18,16 +18,11 @@ var (
 	MainNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 	MainNetParams.PubKeyHashAddrID = []byte{52}
 	MainNetParams.ScriptHashAddrID = []byte{13}
-
-	err := chaincfg.Register(&MainNetParams)
-	if err != nil {
-		panic(err)
-	}
 }
 
 // NamecoinParser handle
@@ -43,8 +38,11 @@ func NewNamecoinParser(params *chaincfg.Params, c *btc.Configuration) *NamecoinP
 // GetChainParams contains network parameters for the main Namecoin network,
 // and the test Namecoin network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	default:

bchain/coins/namecoin/namecoinparser_test.go

@@ -8,11 +8,20 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io/ioutil"
+	"os"
 	"path/filepath"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Mainnet(t *testing.T) {
 	type args struct {
 		address string

bchain/coins/vertcoin/vertcoinparser.go

@@ -18,7 +18,7 @@ var (
 	TestNetParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 	MainNetParams.PubKeyHashAddrID = []byte{71}
@@ -30,14 +30,6 @@ func initParams() {
 	TestNetParams.PubKeyHashAddrID = []byte{74}
 	TestNetParams.ScriptHashAddrID = []byte{196}
 	TestNetParams.Bech32HRPSegwit = "tvtc"
-
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err != nil {
-		panic(err)
-	}
 }
 
 // VertcoinParser handle
@@ -53,8 +45,14 @@ func NewVertcoinParser(params *chaincfg.Params, c *btc.Configuration) *VertcoinP
 // GetChainParams contains network parameters for the main Vertcoin network,
 // and the test Vertcoin network
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	switch chain {
 	case "test":

bchain/coins/vertcoin/vertcoinparser_test.go

@@ -7,10 +7,19 @@ import (
 	"blockbook/bchain/coins/btc"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func Test_GetAddrDescFromAddress_Mainnet(t *testing.T) {
 	type args struct {
 		address string

bchain/coins/zec/zcashparser.go

@@ -17,9 +17,10 @@ const (
 var (
 	MainNetParams chaincfg.Params
 	TestNetParams chaincfg.Params
+	RegtestParams chaincfg.Params
 )
 
-func initParams() {
+func init() {
 	MainNetParams = chaincfg.MainNetParams
 	MainNetParams.Net = MainnetMagic
 
@@ -36,13 +37,8 @@ func initParams() {
 	TestNetParams.PubKeyHashAddrID = []byte{0x1D, 0x25} // base58 prefix: tm
 	TestNetParams.ScriptHashAddrID = []byte{0x1C, 0xBA} // base58 prefix: t2
 
-	err := chaincfg.Register(&MainNetParams)
-	if err == nil {
-		err = chaincfg.Register(&TestNetParams)
-	}
-	if err != nil {
-		panic(err)
-	}
+	RegtestParams = chaincfg.RegressionNetParams
+	RegtestParams.Net = RegtestMagic
 }
 
 // ZCashParser handle
@@ -63,16 +59,24 @@ func NewZCashParser(params *chaincfg.Params, c *btc.Configuration) *ZCashParser
 // the regression test ZCash network, the test ZCash network and
 // the simulation test ZCash network, in this order
 func GetChainParams(chain string) *chaincfg.Params {
-	if MainNetParams.Name == "" {
-		initParams()
+	if !chaincfg.IsRegistered(&MainNetParams) {
+		err := chaincfg.Register(&MainNetParams)
+		if err == nil {
+			err = chaincfg.Register(&TestNetParams)
+		}
+		if err == nil {
+			err = chaincfg.Register(&RegtestParams)
+		}
+		if err != nil {
+			panic(err)
+		}
 	}
 	var params *chaincfg.Params
 	switch chain {
 	case "test":
 		return &TestNetParams
 	case "regtest":
-		params = &chaincfg.RegressionNetParams
-		params.Net = RegtestMagic
+		return &RegtestParams
 	default:
 		return &MainNetParams
 	}

bchain/coins/zec/zcashparser_test.go

@@ -8,8 +8,11 @@ import (
 	"bytes"
 	"encoding/hex"
 	"math/big"
+	"os"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
 var (
@@ -91,6 +94,12 @@ func init() {
 	}
 }
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func TestGetAddrDesc(t *testing.T) {
 	type args struct {
 		tx     bchain.Tx

db/rocksdb_test.go

@@ -18,6 +18,7 @@ import (
 	"testing"
 
 	vlq "github.com/bsm/go-vlq"
+	"github.com/jakm/btcutil/chaincfg"
 	"github.com/juju/errors"
 )
 
@@ -25,6 +26,12 @@ import (
 // for number n, the packing is: 2*n if n>=0 else 2*(-n)-1
 // takes only 1 byte if abs(n)<127
 
+func TestMain(m *testing.M) {
+	c := m.Run()
+	chaincfg.ResetParams()
+	os.Exit(c)
+}
+
 func bitcoinTestnetParser() *btc.BitcoinParser {
 	return btc.NewBitcoinParser(
 		btc.GetChainParams("test"),

tests/integration.go

@@ -15,6 +15,8 @@ import (
 	"path/filepath"
 	"reflect"
 	"testing"
+
+	"github.com/jakm/btcutil/chaincfg"
 )
 
 type TestFunc func(t *testing.T, coin string, chain bchain.BlockChain, testConfig json.RawMessage)
@@ -52,6 +54,7 @@ func runTests(t *testing.T, coin string, cfg map[string]json.RawMessage) {
 	if cfg == nil || len(cfg) == 0 {
 		t.Skip("No tests to run")
 	}
+	defer chaincfg.ResetParams()
 
 	bc, err := makeBlockChain(coin)
 	if err != nil {