[wip] Multiparty descriptor creation

2020-05-19 22:29:04 +02:00
parent 4f865ab2c0
commit 9c4e5b4d25
8 changed files with 504 additions and 88 deletions
--- a/examples/multiparty.rs
+++ b/examples/multiparty.rs
@@ -0,0 +1,96 @@
+extern crate bitcoin;
+extern crate clap;
+extern crate log;
+extern crate magical_bitcoin_wallet;
+extern crate miniscript;
+extern crate rand;
+extern crate serde_json;
+extern crate sled;
+
+use std::str::FromStr;
+
+use log::info;
+
+use clap::{App, Arg};
+
+use bitcoin::PublicKey;
+
+use miniscript::policy::Concrete;
+use miniscript::Descriptor;
+
+use magical_bitcoin_wallet::multiparty::{Coordinator, Participant, Peer};
+
+fn main() {
+    env_logger::init_from_env(
+        env_logger::Env::default().filter_or(env_logger::DEFAULT_FILTER_ENV, "info"),
+    );
+
+    let matches = App::new("Multiparty Tools")
+        .arg(
+            Arg::with_name("POLICY")
+                .help("Sets the spending policy to compile")
+                .required(true)
+                .index(1),
+        )
+        .arg(
+            Arg::with_name("TYPE")
+                .help("Sets the script type used to embed the compiled policy")
+                .required(true)
+                .index(2)
+                .possible_values(&["sh", "wsh", "sh-wsh"]),
+        )
+        .get_matches();
+
+    let policy_str = matches.value_of("POLICY").unwrap();
+    info!("Compiling policy: {}", policy_str);
+
+    let policy = Concrete::<String>::from_str(&policy_str).unwrap();
+    let compiled = policy.compile().unwrap();
+
+    let descriptor = match matches.value_of("TYPE").unwrap() {
+        "sh" => Descriptor::Sh(compiled),
+        "wsh" => Descriptor::Wsh(compiled),
+        "sh-wsh" => Descriptor::ShWsh(compiled),
+        _ => panic!("Invalid type"),
+    };
+
+    info!("Descriptor: {}", descriptor);
+
+    let mut coordinator: Participant<Coordinator> = Participant::new(descriptor).unwrap();
+    /*let policy = coordinator.policy_for(vec![]).unwrap();
+    info!(
+        "Policy:\n{}",
+        serde_json::to_string_pretty(&policy).unwrap()
+    );*/
+
+    let missing_keys = coordinator.missing_keys();
+    info!("Missing keys: {:?}", missing_keys);
+
+    let pk =
+        PublicKey::from_str("02c65413e56b343a0a31c18d506f1502a17fc64dfbcef6bfb00d1c0d6229bb6f61")
+            .unwrap();
+    coordinator.add_key("Alice", pk.into()).unwrap();
+    coordinator.add_key("Carol", pk.into()).unwrap();
+
+    let for_bob = coordinator.descriptor_for("Bob").unwrap();
+    info!("Descriptor for Bob: {}", for_bob);
+
+    let mut bob_peer: Participant<Peer> = Participant::new(for_bob).unwrap();
+    info!(
+        "Bob's policy: {}",
+        serde_json::to_string(&bob_peer.policy().unwrap().unwrap()).unwrap()
+    );
+    bob_peer.use_key(pk.into()).unwrap();
+    info!("Bob's my_key: {}", bob_peer.my_key().unwrap());
+
+    coordinator.add_key("Bob", pk.into()).unwrap();
+    info!("Coordinator completed: {}", coordinator.completed());
+
+    let coord_map = coordinator.get_map().unwrap();
+
+    let finalized = coordinator.finalize().unwrap();
+    info!("Coordinator final: {}", finalized);
+
+    let bob_finalized = bob_peer.apply_map(coord_map).unwrap();
+    info!("Bob final: {}", bob_finalized);
+}