parsing

taptrade-cli-demo/src/cli/mod.rs

@@ -1,27 +1,61 @@
 use clap::{command, Arg, Command, ArgMatches};
 
-use crate::coordinator;
+#[derive(Debug)]
+pub struct Coordinator { 
 
-pub struct cli_settings {
+}
-	pub coordinator: bool,
+
-	pub maker: bool,
+#[derive(Debug)]
-	pub taker: bool,
+pub struct TraderSettings {
-	pub c_endpoint: String,
+	pub electrum_endpoint: String,
-	pub electrum_ep: String,
+	pub coordinator_endpoint: String,
+}
+
+#[derive(Debug)]
+pub enum CliSettings {
+	Coordinator(Coordinator),
+	Taker(TraderSettings),
+	Maker(TraderSettings)
 }
 
 trait ArgMatchesParser {
-
+	fn parse_into_enum(&self) -> CliSettings;
 }
 
-pub fn parse_cli_args() -> ArgMatches {
+impl ArgMatchesParser for ArgMatches {
+	fn parse_into_enum(&self) -> CliSettings {
+		if let Some(_mode) = self.subcommand_matches("coordinator") {
+			CliSettings::Coordinator(Coordinator { })
+		} else if let Some(_mode) = self.subcommand_matches("trader") {
+			let trader_settings = TraderSettings {
+				coordinator_endpoint: self.get_one::<String>("coordinator-ep")
+										.expect("Coordinator endpoint not provided!").clone(),
+				electrum_endpoint: self.get_one::<String>("electrum-ep")
+										.expect("Electrum endpoint not provided").clone()
+			};
+			if self.contains_id("maker") {
+				CliSettings::Maker( trader_settings )
+			} else if self.contains_id("taker") {
+				CliSettings::Taker( trader_settings )
+			} else {
+				panic!("Wrong arguments for Trader mode!")
+			}
+		} else {
+			panic!("Select either coordinator or trader mode!")
+		}
+	}
+}
+
+pub fn parse_cli_args() -> CliSettings {
 	command!()
 	.about("RoboSats taproot onchain trade pipeline CLI demonstrator. Don't use with real funds.")
 	.subcommand(
 		Command::new("coordinator")
+				.about("Run in coordinator mode.")
 	)
 	.subcommand(
 	Command::new("trader")
+		.about("Two available trader modes: Maker and Taker. Select one and provide Coordinator and Electum endpoint")
 		.arg(
 			Arg::new("taker")
 				.short('t')
@@ -39,12 +73,21 @@ pub fn parse_cli_args() -> ArgMatches {
 				.conflicts_with("taker")
 		)
 		.arg(
-			Arg::new("endpoint")
+			Arg::new("coordinator-ep")
 					.short('p')
 					.long("endpoint")
 					.required(true)
 					.help("Communication endpoint of the coordinator to connect to")
 		)
+		.arg(
+			Arg::new("electrum-ep")
+					.short('e')
+					.long("electrum")
+					.required(true)
+					.help("URL of the electrum endpoint")
 		)
+	)
+	.arg_required_else_help(true)
 	.get_matches()
+	.parse_into_enum()
 }

taptrade-cli-demo/src/main.rs

@@ -6,8 +6,5 @@ use cli::parse_cli_args;
 
 fn main() {
     let cli_args = parse_cli_args();
-
+    dbg!(cli_args);
 }
-
-// use clap to parse mode (taker, maker or coordinator), communication endpoint (URL or PID or something else), electrum server
-// https://www.youtube.com/watch?v=Ot3qCA3Iv_8