Add support for signet

cmd/nigiri/main.go

@@ -36,7 +36,9 @@ var datadirFlag = cli.StringFlag{
 }
 
 //go:embed resources/docker-compose.yml
+//go:embed resources/docker-compose.signet.yml
 //go:embed resources/bitcoin.conf
+//go:embed resources/bitcoin.signet.conf
 //go:embed resources/elements.conf
 var f embed.FS
 
@@ -106,6 +108,9 @@ func provisionResourcesToDatadir(datadir string) error {
 	if err := makeDirectoryIfNotExists(filepath.Join(datadir, "volumes", "elements")); err != nil {
 		return err
 	}
+	if err := makeDirectoryIfNotExists(filepath.Join(datadir, "volumes", "bitcoin-signet")); err != nil {
+		return err
+	}
 
 	// copy resources into the Nigiri data directory
 	if err := copyFromResourcesToDatadir(
@@ -115,6 +120,13 @@ func provisionResourcesToDatadir(datadir string) error {
 		return err
 	}
 
+	if err := copyFromResourcesToDatadir(
+		filepath.Join("resources", config.SignetCompose),
+		filepath.Join(datadir, config.SignetCompose),
+	); err != nil {
+		return err
+	}
+
 	if err := copyFromResourcesToDatadir(
 		filepath.Join("resources", "bitcoin.conf"),
 		filepath.Join(datadir, "volumes", "bitcoin", "bitcoin.conf"),
@@ -129,6 +141,13 @@ func provisionResourcesToDatadir(datadir string) error {
 		return err
 	}
 
+	if err := copyFromResourcesToDatadir(
+		filepath.Join("resources", "bitcoin.signet.conf"),
+		filepath.Join(datadir, "volumes", "bitcoin-signet", "bitcoin.conf"),
+	); err != nil {
+		return err
+	}
+
 	if err := nigiriState.Set(map[string]string{"ready": strconv.FormatBool(true)}); err != nil {
 		return err
 	}

cmd/nigiri/resources/bitcoin.signet.conf

@@ -0,0 +1,20 @@
+signet=1
+
+[signet]
+port=38333
+rpcport=38332
+
+server=1
+txindex=1
+
+rpcuser=admin1
+rpcpassword=123
+rpcallowip=0.0.0.0/0
+rpcbind=0.0.0.0
+fallbackfee=0.00001
+
+zmqpubrawblock=tcp://0.0.0.0:48332
+zmqpubrawtx=tcp://0.0.0.0:48333
+
+blockfilterindex=1
+peerblockfilters=1

cmd/nigiri/resources/docker-compose.signet.yml

@@ -0,0 +1,66 @@
+version: '3.7'
+services:
+
+  # Signet 
+  bitcoin:
+    image: ghcr.io/vulpemventures/bitcoin:latest
+    user: 1000:1000
+    container_name: bitcoin
+    command:
+      - -datadir=config
+    ports:
+      - 38333:38333
+      - 38332:38332
+      # ZMQ
+      - 48332:48332
+      - 48333:48333
+    volumes:
+      - ./volumes/bitcoin-signet/:/config
+    restart: unless-stopped
+
+  electrs:
+    image: ghcr.io/vulpemventures/electrs:latest
+    container_name: electrs
+    entrypoint:
+      - /build/electrs
+    command:
+      - -vvvv
+      - --network
+      - signet
+      - --daemon-dir
+      - /config
+      - --daemon-rpc-addr
+      - bitcoin:38332
+      - --cookie
+      - admin1:123
+      - --http-addr
+      - 0.0.0.0:30000
+      - --electrum-rpc-addr
+      - 0.0.0.0:50000
+      - --cors
+      - "*"
+      - --jsonrpc-import
+    depends_on:
+      - bitcoin
+    ports:
+      - 50000:50000
+      - 30000:30000
+    volumes:
+      - ./volumes/bitcoin-signet/:/config
+    restart: unless-stopped
+
+  # Block explorer frontend
+  esplora:
+    image: ghcr.io/vulpemventures/esplora:latest
+    container_name: esplora
+    depends_on:
+      - electrs
+    environment: 
+        API_URL: http://localhost:30000
+    ports:
+      - 5000:5000
+    restart: unless-stopped
+
+networks:
+  default:
+    name: nigiri

cmd/nigiri/start.go

@@ -20,6 +20,10 @@ var start = cli.Command{
 	Action: startAction,
 	Flags: []cli.Flag{
 		&liquidFlag,
+		&cli.BoolFlag{
+			Name:  "signet",
+			Usage: "start Bitcoin node in signet",
+		},
 		&cli.BoolFlag{
 			Name:  "ci",
 			Usage: "runs in headless mode without esplora for continuous integration environments",
@@ -35,8 +39,16 @@ func startAction(ctx *cli.Context) error {
 	}
 
 	isLiquid := ctx.Bool("liquid")
+	isSignet := ctx.Bool("signet")
+	runWithoutFrontend := ctx.Bool("ci")
 	datadir := ctx.String("datadir")
-	composePath := filepath.Join(datadir, config.DefaultCompose)
+	regtestComposePath := filepath.Join(datadir, config.DefaultCompose)
+	signetComposePath := filepath.Join(datadir, config.SignetCompose)
+
+	composePath := regtestComposePath
+	if isSignet {
+		composePath = signetComposePath
+	}
 
 	// spin up all the services in the compose file
 	bashCmd := exec.Command("docker-compose", "-f", composePath, "up", "-d", "esplora")
@@ -45,7 +57,7 @@ func startAction(ctx *cli.Context) error {
 		bashCmd = exec.Command("docker-compose", "-f", composePath, "up", "-d", "esplora", "esplora-liquid")
 	}
 
-	if ctx.Bool("ci") {
+	if runWithoutFrontend {
 		//this will only run chopsticks and servives it depends on
 		bashCmd = exec.Command("docker-compose", "-f", composePath, "up", "-d", "chopsticks")
 		if isLiquid {
@@ -54,6 +66,13 @@ func startAction(ctx *cli.Context) error {
 		}
 	}
 
+	if isSignet {
+		if isLiquid || runWithoutFrontend {
+			return errors.New("signet can only be used with bitcoin")
+		}
+		bashCmd = exec.Command("docker-compose", "-f", composePath, "up", "-d", "esplora")
+	}
+
 	bashCmd.Stdout = os.Stdout
 	bashCmd.Stderr = os.Stderr
 

internal/config/config.go

@@ -10,6 +10,7 @@ import (
 var (
 	DefaultName    = "nigiri.config.json"
 	DefaultCompose = "docker-compose.yml"
+	SignetCompose  = "docker-compose.signet.yml"
 
 	DefaultDatadir = btcutil.AppDataDir("nigiri", false)
 	DefaultPath    = filepath.Join(DefaultDatadir, DefaultName)