arkd: support signet (#251)

* pass MutinyNet parameters

* set signetblocktime=30

* supports signet in client and sdk

* ark: --network help message to support signet

* revert intialPeers set

client/covenantless/init.go

@@ -18,6 +18,7 @@ var explorerUrls = map[string]string{
 	common.Bitcoin.Name:        "https://blockstream.info/api",
 	common.BitcoinTestNet.Name: "https://blockstream.info/testnet/api",
 	common.BitcoinRegTest.Name: "http://localhost:3000",
+	common.BitcoinSigNet.Name:  "https://mutinynet.com/api",
 }
 
 func (c *clArkBitcoinCLI) Init(ctx *cli.Context) error {
@@ -31,7 +32,7 @@ func (c *clArkBitcoinCLI) Init(ctx *cli.Context) error {
 	if len(url) <= 0 {
 		return fmt.Errorf("invalid ark url")
 	}
-	if net != common.Bitcoin.Name && net != common.BitcoinTestNet.Name && net != common.BitcoinRegTest.Name {
+	if net != common.Bitcoin.Name && net != common.BitcoinTestNet.Name && net != common.BitcoinRegTest.Name && net != common.BitcoinSigNet.Name {
 		return fmt.Errorf("invalid network")
 	}
 

client/covenantless/network.go

@@ -6,6 +6,9 @@ import (
 )
 
 func toChainParams(net *common.Network) chaincfg.Params {
+	// we pass nil to have the equivalent of dnssec=0 in bitcoin.conf
+	mutinyNetSigNetParams := chaincfg.CustomSignetParams(common.MutinyNetChallenge, nil)
+	mutinyNetSigNetParams.TargetTimePerBlock = common.MutinyNetBlockTime
 	switch net.Name {
 	case common.Bitcoin.Name:
 		return chaincfg.MainNetParams
@@ -13,6 +16,8 @@ func toChainParams(net *common.Network) chaincfg.Params {
 		return chaincfg.TestNet3Params
 	case common.BitcoinRegTest.Name:
 		return chaincfg.RegressionNetParams
+	case common.BitcoinSigNet.Name:
+		return mutinyNetSigNetParams
 	default:
 		return chaincfg.MainNetParams
 	}

client/flags/flags.go

@@ -37,7 +37,7 @@ var (
 	}
 	NetworkFlag = cli.StringFlag{
 		Name:  "network",
-		Usage: "network to use (liquid, testnet, regtest)",
+		Usage: "network to use (liquid, testnet, regtest, signet)",
 		Value: "liquid",
 	}
 	UrlFlag = cli.StringFlag{

client/main.go

@@ -212,7 +212,7 @@ func getCLI(networkName string) (interfaces.CLI, error) {
 	switch networkName {
 	case common.Liquid.Name, common.LiquidTestNet.Name, common.LiquidRegTest.Name:
 		return covenant.New(), nil
-	case common.Bitcoin.Name, common.BitcoinTestNet.Name, common.BitcoinRegTest.Name:
+	case common.Bitcoin.Name, common.BitcoinTestNet.Name, common.BitcoinRegTest.Name, common.BitcoinSigNet.Name:
 		return covenantless.New(), nil
 	default:
 		return nil, fmt.Errorf("unknown network (%s)", networkName)

client/utils/state.go

@@ -239,6 +239,8 @@ func networkFromString(net string) *common.Network {
 		return &common.BitcoinTestNet
 	case common.BitcoinRegTest.Name:
 		return &common.BitcoinRegTest
+	case common.BitcoinSigNet.Name:
+		return &common.BitcoinSigNet
 	default:
 		panic(fmt.Sprintf("unknown network (%s)", net))
 	}

common/network.go

@@ -1,6 +1,9 @@
 package common
 
-import "strings"
+import (
+	"strings"
+	"time"
+)
 
 type Network struct {
 	Name string
@@ -37,6 +40,20 @@ var BitcoinRegTest = Network{
 	Addr: BitcoinTestNet.Addr,
 }
 
+var BitcoinSigNet = Network{
+	Name: "signet",
+	Addr: BitcoinTestNet.Addr,
+}
+
+var MutinyNetChallenge = []byte{
+	0x51, 0x21, 0x02, 0xf7, 0x56, 0x1d, 0x20, 0x8d, 0xd9, 0xae, 0x99, 0xbf,
+	0x49, 0x72, 0x73, 0xe1, 0x6f, 0x38, 0x9b, 0xdb, 0xd6, 0xc4, 0x74, 0x2d,
+	0xdb, 0x8e, 0x6b, 0x21, 0x6e, 0x64, 0xfa, 0x29, 0x28, 0xad, 0x8f, 0x51,
+	0xae,
+}
+
+const MutinyNetBlockTime = time.Second * 30
+
 func IsLiquid(network Network) bool {
 	return strings.Contains(network.Name, "liquid")
 }

pkg/client-sdk/internal/utils/utils.go

@@ -105,6 +105,8 @@ func NetworkFromString(net string) common.Network {
 		return common.BitcoinTestNet
 	case common.BitcoinRegTest.Name:
 		return common.BitcoinRegTest
+	case common.BitcoinSigNet.Name:
+		return common.BitcoinSigNet
 	case common.Bitcoin.Name:
 		fallthrough
 	default:
@@ -126,6 +128,8 @@ func ToElementsNetwork(net common.Network) network.Network {
 }
 
 func ToBitcoinNetwork(net common.Network) chaincfg.Params {
+	mutinyNetSigNetParams := chaincfg.CustomSignetParams(common.MutinyNetChallenge, nil)
+	mutinyNetSigNetParams.TargetTimePerBlock = common.MutinyNetBlockTime
 	switch net.Name {
 	case common.Bitcoin.Name:
 		return chaincfg.MainNetParams
@@ -133,6 +137,8 @@ func ToBitcoinNetwork(net common.Network) chaincfg.Params {
 		return chaincfg.TestNet3Params
 	case common.BitcoinRegTest.Name:
 		return chaincfg.RegressionNetParams
+	case common.BitcoinSigNet.Name:
+		return mutinyNetSigNetParams
 	default:
 		return chaincfg.MainNetParams
 	}

pkg/client-sdk/types.go

@@ -25,6 +25,7 @@ var (
 		common.Bitcoin.Name:        "https://blockstream.info/api",
 		common.BitcoinTestNet.Name: "https://blockstream.info/testnet/api",
 		common.BitcoinRegTest.Name: "http://localhost:3000",
+		common.BitcoinSigNet.Name:  "https://mutinynet.com/api",
 	}
 )
 

server/.gitignore

@@ -24,3 +24,5 @@ go.work
 go.work.sum
 
 .vscode/
+
+tmp/

server/Makefile

@@ -1,4 +1,4 @@
-.PHONY: build clean cov help intergrationtest lint run test vet proto proto-lint
+.PHONY: build clean cov help intergrationtest lint run run-signet test vet proto proto-lint
 
 ## build: build for all platforms
 build:
@@ -30,7 +30,7 @@ lint:
 	@echo "Linting code..."
 	@golangci-lint run --fix
 
-## run: run in dev mode
+## run: run in regtest mode
 run: clean
 	@echo "Running arkd in dev mode..."
 	@export ARK_NEUTRINO_PEER=localhost:18444; \
@@ -45,6 +45,24 @@ run: clean
 	export ARK_MIN_RELAY_FEE=200; \
 	go run ./cmd/arkd
 
+## 	export ARK_NEUTRINO_PEER=44.240.54.180:38333 ; \
+
+## run: run in signet mode
+run-signet: clean
+	@echo "Running arkd in signet mode..."
+	@export ARK_ROUND_INTERVAL=10; \
+	export ARK_LOG_LEVEL=5; \
+	export ARK_NETWORK=signet; \
+	export ARK_PORT=7070; \
+	export ARK_NO_TLS=true; \
+	export ARK_NO_MACAROONS=true; \
+	export ARK_TX_BUILDER_TYPE=covenantless; \
+	export ARK_ESPLORA_URL=https://mutinynet.com/api; \
+	export ARK_NEUTRINO_PEER=45.79.52.207:38333; \
+	export ARK_MIN_RELAY_FEE=200; \
+	export ARK_DATADIR=./tmp/signet/arkd-data; \
+	go run ./cmd/arkd
+
 ## test: runs unit and component tests
 test:
 	@echo "Running unit tests..."

server/internal/app-config/config.go

@@ -41,6 +41,7 @@ var (
 		common.Bitcoin.Name:        {},
 		common.BitcoinTestNet.Name: {},
 		common.BitcoinRegTest.Name: {},
+		common.BitcoinSigNet.Name:  {},
 		common.Liquid.Name:         {},
 		common.LiquidTestNet.Name:  {},
 		common.LiquidRegTest.Name:  {},

server/internal/config/config.go

@@ -101,7 +101,7 @@ func LoadConfig() (*Config, error) {
 
 	net, err := getNetwork()
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("error while getting network: %s", err)
 	}
 
 	if err := initDatadir(); err != nil {
@@ -160,6 +160,8 @@ func getNetwork() (common.Network, error) {
 		return common.BitcoinTestNet, nil
 	case common.BitcoinRegTest.Name:
 		return common.BitcoinRegTest, nil
+	case common.BitcoinSigNet.Name:
+		return common.BitcoinSigNet, nil
 	default:
 		return common.Network{}, fmt.Errorf("unknown network %s", viper.GetString(Network))
 	}

server/internal/infrastructure/tx-builder/covenantless/builder.go

@@ -1010,6 +1010,8 @@ func (b *txBuilder) getTaprootPreimage(tx string, inputIndex int, leafScript []b
 }
 
 func (b *txBuilder) onchainNetwork() *chaincfg.Params {
+	mutinyNetSigNetParams := chaincfg.CustomSignetParams(common.MutinyNetChallenge, nil)
+	mutinyNetSigNetParams.TargetTimePerBlock = common.MutinyNetBlockTime
 	switch b.net.Name {
 	case common.Bitcoin.Name:
 		return &chaincfg.MainNetParams
@@ -1017,6 +1019,8 @@ func (b *txBuilder) onchainNetwork() *chaincfg.Params {
 		return &chaincfg.TestNet3Params
 	case common.BitcoinRegTest.Name:
 		return &chaincfg.RegressionNetParams
+	case common.BitcoinSigNet.Name:
+		return &mutinyNetSigNetParams
 	default:
 		return nil
 	}

server/internal/infrastructure/wallet/btc-embedded/wallet.go

@@ -43,6 +43,8 @@ type WalletConfig struct {
 }
 
 func (c WalletConfig) chainParams() *chaincfg.Params {
+	mutinyNetSigNetParams := chaincfg.CustomSignetParams(common.MutinyNetChallenge, nil)
+	mutinyNetSigNetParams.TargetTimePerBlock = common.MutinyNetBlockTime
 	switch c.Network.Name {
 	case common.Bitcoin.Name:
 		return &chaincfg.MainNetParams
@@ -50,6 +52,8 @@ func (c WalletConfig) chainParams() *chaincfg.Params {
 		return &chaincfg.TestNet3Params
 	case common.BitcoinRegTest.Name:
 		return &chaincfg.RegressionNetParams
+	case common.BitcoinSigNet.Name:
+		return &mutinyNetSigNetParams
 	default:
 		return &chaincfg.MainNetParams
 	}
@@ -191,7 +195,7 @@ func (s *service) Unlock(_ context.Context, password string) error {
 			CoinSelectionStrategy: wallet.CoinSelectionLargest,
 			ChainSource:           s.chainSource,
 		}
-		blockCache := blockcache.NewBlockCache(20 * 1024 * 1024)
+		blockCache := blockcache.NewBlockCache(2 * 1024 * 1024 * 1024)
 
 		wallet, err := btcwallet.New(config, blockCache)
 		if err != nil {
@@ -204,7 +208,7 @@ func (s *service) Unlock(_ context.Context, password string) error {
 
 		for {
 			if !wallet.InternalWallet().ChainSynced() {
-				log.Debug("waiting sync....")
+				log.Debugf("waiting sync: current height %d", wallet.InternalWallet().Manager.SyncedTo().Height)
 				time.Sleep(3 * time.Second)
 				continue
 			}
@@ -691,7 +695,7 @@ func (s *service) create(mnemonic, password string, addrGap uint32) error {
 		CoinSelectionStrategy: wallet.CoinSelectionLargest,
 		ChainSource:           s.chainSource,
 	}
-	blockCache := blockcache.NewBlockCache(20 * 1024 * 1024)
+	blockCache := blockcache.NewBlockCache(2 * 1024 * 1024 * 1024)
 
 	wallet, err := btcwallet.New(config, blockCache)
 	if err != nil {
@@ -707,7 +711,7 @@ func (s *service) create(mnemonic, password string, addrGap uint32) error {
 
 	for {
 		if !wallet.InternalWallet().ChainSynced() {
-			log.Debug("waiting sync....")
+			log.Debugf("waiting sync: current height %d", wallet.InternalWallet().Manager.SyncedTo().Height)
 			time.Sleep(3 * time.Second)
 			continue
 		}