ddk-manager 1.1.0

Creation and handling of Discrete Log Contracts (DLC).
Documentation
#[macro_use]
#[allow(dead_code)]
mod test_utils;

use bitcoin::Network;
use ddk::oracle::memory::MemoryOracle;
use ddk::storage::memory::MemoryStorage;
use ddk::wallet::DlcDevKitWallet;
use ddk::{chain::EsploraClient, logger::Logger};
use ddk_manager::{manager::Manager, CachedContractSignerProvider, Oracle, SimpleSigner};
use ddk_messages::Message;
use secp256k1_zkp::{rand::Fill, PublicKey, XOnlyPublicKey};
use std::{collections::HashMap, sync::Arc};
use test_utils::{set_time, MockTime};

type TestManager = Manager<
    Arc<DlcDevKitWallet>,
    Arc<CachedContractSignerProvider<Arc<DlcDevKitWallet>, SimpleSigner>>,
    Arc<EsploraClient>,
    Arc<MemoryStorage>,
    Arc<MemoryOracle>,
    Arc<MockTime>,
    Arc<EsploraClient>,
    SimpleSigner,
    Arc<Logger>,
>;

async fn get_manager(logger: Arc<Logger>) -> TestManager {
    let blockchain = Arc::new(
        EsploraClient::new("http://localhost:30000", Network::Regtest, logger.clone()).unwrap(),
    );
    let store = Arc::new(MemoryStorage::new());
    let mut seed = [0u8; 64];
    seed.try_fill(&mut bitcoin::key::rand::thread_rng())
        .unwrap();
    let wallet = Arc::new(
        DlcDevKitWallet::new(
            &seed,
            blockchain.clone(),
            Network::Regtest,
            store.clone(),
            None,
            logger.clone(),
        )
        .await
        .unwrap(),
    );

    let oracle_list = (0..5).map(|_| MemoryOracle::default()).collect::<Vec<_>>();
    let oracles: HashMap<XOnlyPublicKey, _> = oracle_list
        .into_iter()
        .map(|x| (x.get_public_key(), Arc::new(x)))
        .collect();
    let time = Arc::new(MockTime {});

    set_time(0);

    Manager::new(
        wallet.clone(),
        wallet.clone(),
        blockchain.clone(),
        store.clone(),
        oracles,
        time,
        blockchain,
        logger,
    )
    .await
    .unwrap()
}

fn pubkey() -> PublicKey {
    "0218845781f631c48f1c9709e23092067d06837f30aa0cd0544ac887fe91ddd166"
        .parse()
        .unwrap()
}

#[tokio::test]
async fn reject_offer_with_existing_contract_id() {
    let logger = Arc::new(Logger::disabled("test_manager".to_string()));
    let offer_message = Message::Offer(
        serde_json::from_str(include_str!("../test_inputs/offer_contract.json")).unwrap(),
    );

    let manager = get_manager(logger).await;

    manager
        .on_dlc_message(&offer_message, pubkey())
        .await
        .expect("To accept the first offer message");

    manager
        .on_dlc_message(&offer_message, pubkey())
        .await
        .expect_err("To reject the second offer message");
}

#[tokio::test]
async fn reject_channel_offer_with_existing_channel_id() {
    let logger = Arc::new(Logger::disabled("test_manager".to_string()));
    let offer_message = Message::OfferChannel(
        serde_json::from_str(include_str!("../test_inputs/offer_channel.json")).unwrap(),
    );

    let manager = get_manager(logger).await;

    manager
        .on_dlc_message(&offer_message, pubkey())
        .await
        .expect("To accept the first offer message");

    manager
        .on_dlc_message(&offer_message, pubkey())
        .await
        .expect_err("To reject the second offer message");
}