Add support for cookie file

Author: ottosch

blindbit.example.toml

@@ -5,11 +5,13 @@ host = "127.0.0.1:8000"
 # (defaults to http://127.0.0.1:8332)
 rpc_endpoint = "http://127.0.0.1:18443"
 
+# required, unless rpc_user and rpc_pass are set
+cookie_path = ""
 
-# required
+# required, unless cookie_path is set
 rpc_pass = "your-rpc-password"
 
-# required
+# required, unless cookie_path is set
 rpc_user = "your-rpc-user"
 
 # required (has to be >= 1)

src/common/config.go

@@ -29,6 +29,7 @@ func LoadConfigs(pathToConfig string) {
 	MaxParallelTweakComputations = viper.GetInt("max_parallel_tweak_computations")
 
 	RpcEndpoint = viper.GetString("rpc_endpoint")
+	CookiePath = viper.GetString("cookie_path")
 	RpcPass = viper.GetString("rpc_pass")
 	RpcUser = viper.GetString("rpc_user")
 

src/common/vars.go

@@ -12,6 +12,7 @@ var TweaksOnly bool
 
 var (
 	RpcEndpoint = "http://127.0.0.1:8332" // default local node
+	CookiePath  = ""
 	RpcUser     = ""
 	RpcPass     = ""
 

src/main.go

@@ -74,6 +74,20 @@ func init() {
 	// open levelDB connections
 	openLevelDBConnections()
 
+	if common.CookiePath != "" {
+		data, err := os.ReadFile(common.CookiePath)
+		if err != nil {
+			panic(err)
+		}
+
+		credentials := strings.Split(string(data), ":")
+		if len(credentials) != 2 {
+			panic("cookie file is invalid")
+		}
+		common.RpcUser = credentials[0]
+		common.RpcPass = credentials[1]
+	}
+
 	if common.RpcUser == "" {
 		panic("rpc user not set")
 	}