bdk/examples/multiparty.rs
2020-05-19 22:29:04 +02:00

97 lines
2.9 KiB
Rust

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);
}