From: Valentine Wallace Date: Wed, 24 Mar 2021 20:03:57 +0000 (-0400) Subject: Initial refactor to add tokio::main and be fully async X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=b630ab9aecd9cae3ca264aaafb1af70ce81de0d7;p=ldk-sample Initial refactor to add tokio::main and be fully async --- diff --git a/Cargo.lock b/Cargo.lock index aa92a5e..7eec170 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -256,7 +256,6 @@ checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c" [[package]] name = "lightning" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=32f6205848806a3b2876a2ae36b1db7d5fa22f7d#32f6205848806a3b2876a2ae36b1db7d5fa22f7d" dependencies = [ "bitcoin", ] @@ -264,7 +263,6 @@ dependencies = [ [[package]] name = "lightning-background-processor" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=32f6205848806a3b2876a2ae36b1db7d5fa22f7d#32f6205848806a3b2876a2ae36b1db7d5fa22f7d" dependencies = [ "bitcoin", "lightning", @@ -274,7 +272,6 @@ dependencies = [ [[package]] name = "lightning-block-sync" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=32f6205848806a3b2876a2ae36b1db7d5fa22f7d#32f6205848806a3b2876a2ae36b1db7d5fa22f7d" dependencies = [ "bitcoin", "chunked_transfer", @@ -298,7 +295,6 @@ dependencies = [ [[package]] name = "lightning-net-tokio" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=32f6205848806a3b2876a2ae36b1db7d5fa22f7d#32f6205848806a3b2876a2ae36b1db7d5fa22f7d" dependencies = [ "bitcoin", "lightning", @@ -308,7 +304,6 @@ dependencies = [ [[package]] name = "lightning-persister" version = "0.0.13" -source = "git+https://github.com/rust-bitcoin/rust-lightning?rev=32f6205848806a3b2876a2ae36b1db7d5fa22f7d#32f6205848806a3b2876a2ae36b1db7d5fa22f7d" dependencies = [ "bitcoin", "libc", diff --git a/Cargo.toml b/Cargo.toml index 1dd17c0..0b8434c 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -8,17 +8,22 @@ edition = "2018" # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html [dependencies] -lightning-background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +# lightning-background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +lightning-background-processor = { path = "../rust-lightning/background-processor" } base64 = "0.13.0" bitcoin = "0.26" bitcoin-bech32 = "0.7" bech32 = "0.7" hex = "0.3" -lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } -lightning-block-sync = { git = "https://github.com/rust-bitcoin/rust-lightning", features = ["rpc-client"], rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +# lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +lightning = { path = "../rust-lightning/lightning" } +# lightning-block-sync = { git = "https://github.com/rust-bitcoin/rust-lightning", features = ["rpc-client"], rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +lightning-block-sync = { path = "../rust-lightning/lightning-block-sync", features = ["rpc-client"] } lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning-invoice", rev = "aa3a57b9dca5205fa25fa333a2db165d7e77b3b0" } -lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } -lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +# lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +lightning-net-tokio = { path = "../rust-lightning/lightning-net-tokio" } +# lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "32f6205848806a3b2876a2ae36b1db7d5fa22f7d" } +lightning-persister = { path = "../rust-lightning/lightning-persister" } time = "0.2" rand = "0.4" serde_json = { version = "1.0" } diff --git a/src/bitcoind_client.rs b/src/bitcoind_client.rs index f18cd40..48d54f8 100644 --- a/src/bitcoind_client.rs +++ b/src/bitcoind_client.rs @@ -1,45 +1,176 @@ use crate::convert::{BlockchainInfo, FeeResponse, FundedTx, NewAddress, RawTx, SignedTx}; use base64; +use bitcoin::blockdata::block::Block; use bitcoin::blockdata::transaction::Transaction; use bitcoin::consensus::encode; +use bitcoin::hash_types::BlockHash; use bitcoin::util::address::Address; use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator}; use lightning_block_sync::http::HttpEndpoint; use lightning_block_sync::rpc::RpcClient; +use lightning_block_sync::{AsyncBlockSourceResult, BlockHeaderData, BlockSource}; use serde_json; use std::collections::HashMap; use std::str::FromStr; -use std::sync::Mutex; -use tokio::runtime::{Handle, Runtime}; +use std::sync::atomic::{AtomicU32, Ordering}; +use std::sync::Arc; +use std::time::Duration; +use tokio::sync::Mutex; pub struct BitcoindClient { - bitcoind_rpc_client: Mutex, + bitcoind_rpc_client: Arc>, host: String, port: u16, rpc_user: String, rpc_password: String, - runtime: Mutex, + fees: Arc>, +} + +#[derive(Clone, Eq, Hash, PartialEq)] +pub enum Target { + Background, + Normal, + HighPriority, +} + +impl BlockSource for &BitcoindClient { + fn get_header<'a>( + &'a mut self, header_hash: &'a BlockHash, height_hint: Option, + ) -> AsyncBlockSourceResult<'a, BlockHeaderData> { + Box::pin(async move { + let mut rpc = self.bitcoind_rpc_client.lock().await; + rpc.get_header(header_hash, height_hint).await + }) + } + + fn get_block<'a>( + &'a mut self, header_hash: &'a BlockHash, + ) -> AsyncBlockSourceResult<'a, Block> { + Box::pin(async move { + let mut rpc = self.bitcoind_rpc_client.lock().await; + rpc.get_block(header_hash).await + }) + } + + fn get_best_block<'a>(&'a mut self) -> AsyncBlockSourceResult<(BlockHash, Option)> { + Box::pin(async move { + let mut rpc = self.bitcoind_rpc_client.lock().await; + rpc.get_best_block().await + }) + } } impl BitcoindClient { - pub fn new( + pub async fn new( host: String, port: u16, rpc_user: String, rpc_password: String, ) -> std::io::Result { let http_endpoint = HttpEndpoint::for_host(host.clone()).with_port(port); let rpc_credentials = base64::encode(format!("{}:{}", rpc_user.clone(), rpc_password.clone())); let bitcoind_rpc_client = RpcClient::new(&rpc_credentials, http_endpoint)?; + let mut fees: HashMap = HashMap::new(); + fees.insert(Target::Background, AtomicU32::new(253)); + fees.insert(Target::Normal, AtomicU32::new(2000)); + fees.insert(Target::HighPriority, AtomicU32::new(5000)); let client = Self { - bitcoind_rpc_client: Mutex::new(bitcoind_rpc_client), + bitcoind_rpc_client: Arc::new(Mutex::new(bitcoind_rpc_client)), host, port, rpc_user, rpc_password, - runtime: Mutex::new(Runtime::new().unwrap()), + fees: Arc::new(fees), }; + BitcoindClient::poll_for_fee_estimates( + client.fees.clone(), + client.bitcoind_rpc_client.clone(), + ) + .await; Ok(client) } + async fn poll_for_fee_estimates( + fees: Arc>, rpc_client: Arc>, + ) { + tokio::spawn(async move { + loop { + let background_estimate = { + let mut rpc = rpc_client.lock().await; + let background_conf_target = serde_json::json!(144); + let background_estimate_mode = serde_json::json!("ECONOMICAL"); + let resp = rpc + .call_method::( + "estimatesmartfee", + &vec![background_conf_target, background_estimate_mode], + ) + .await + .unwrap(); + match resp.feerate { + Some(fee) => fee, + None => 253, + } + }; + // if background_estimate. + + let normal_estimate = { + let mut rpc = rpc_client.lock().await; + let normal_conf_target = serde_json::json!(18); + let normal_estimate_mode = serde_json::json!("ECONOMICAL"); + let resp = rpc + .call_method::( + "estimatesmartfee", + &vec![normal_conf_target, normal_estimate_mode], + ) + .await + .unwrap(); + match resp.feerate { + Some(fee) => fee, + None => 2000, + } + }; + + let high_prio_estimate = { + let mut rpc = rpc_client.lock().await; + let high_prio_conf_target = serde_json::json!(6); + let high_prio_estimate_mode = serde_json::json!("CONSERVATIVE"); + let resp = rpc + .call_method::( + "estimatesmartfee", + &vec![high_prio_conf_target, high_prio_estimate_mode], + ) + .await + .unwrap(); + + match resp.feerate { + Some(fee) => fee, + None => 5000, + } + }; + + fees.get(&Target::Background) + .unwrap() + .store(background_estimate, Ordering::Release); + fees.get(&Target::Normal).unwrap().store(normal_estimate, Ordering::Release); + fees.get(&Target::HighPriority) + .unwrap() + .store(high_prio_estimate, Ordering::Release); + // match fees.get(Target::Background) { + // Some(fee) => fee.store(background_estimate, Ordering::Release), + // None => + // } + // if let Some(fee) = background_estimate.feerate { + // fees.get("background").unwrap().store(fee, Ordering::Release); + // } + // if let Some(fee) = normal_estimate.feerate { + // fees.get("normal").unwrap().store(fee, Ordering::Release); + // } + // if let Some(fee) = high_prio_estimate.feerate { + // fees.get("high_prio").unwrap().store(fee, Ordering::Release); + // } + tokio::time::sleep(Duration::from_secs(60)).await; + } + }); + } + pub fn get_new_rpc_client(&self) -> std::io::Result { let http_endpoint = HttpEndpoint::for_host(self.host.clone()).with_port(self.port); let rpc_credentials = @@ -47,116 +178,137 @@ impl BitcoindClient { RpcClient::new(&rpc_credentials, http_endpoint) } - pub fn create_raw_transaction(&self, outputs: Vec>) -> RawTx { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + pub async fn create_raw_transaction(&self, outputs: Vec>) -> RawTx { + let mut rpc = self.bitcoind_rpc_client.lock().await; let outputs_json = serde_json::json!(outputs); - runtime - .block_on(rpc.call_method::( - "createrawtransaction", - &vec![serde_json::json!([]), outputs_json], - )) + rpc.call_method::("createrawtransaction", &vec![serde_json::json!([]), outputs_json]) + .await .unwrap() } - pub fn fund_raw_transaction(&self, raw_tx: RawTx) -> FundedTx { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + pub async fn fund_raw_transaction(&self, raw_tx: RawTx) -> FundedTx { + let mut rpc = self.bitcoind_rpc_client.lock().await; + + let raw_tx_json = serde_json::json!(raw_tx.0); + rpc.call_method("fundrawtransaction", &[raw_tx_json]).await.unwrap() + } + + pub async fn send_raw_transaction(&self, raw_tx: RawTx) { + let mut rpc = self.bitcoind_rpc_client.lock().await; let raw_tx_json = serde_json::json!(raw_tx.0); - runtime.block_on(rpc.call_method("fundrawtransaction", &[raw_tx_json])).unwrap() + rpc.call_method::("sendrawtransaction", &[raw_tx_json]).await.unwrap(); } - pub fn sign_raw_transaction_with_wallet(&self, tx_hex: String) -> SignedTx { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + pub async fn sign_raw_transaction_with_wallet(&self, tx_hex: String) -> SignedTx { + let mut rpc = self.bitcoind_rpc_client.lock().await; let tx_hex_json = serde_json::json!(tx_hex); - runtime - .block_on(rpc.call_method("signrawtransactionwithwallet", &vec![tx_hex_json])) - .unwrap() + rpc.call_method("signrawtransactionwithwallet", &vec![tx_hex_json]).await.unwrap() } - pub fn get_new_address(&self) -> Address { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + pub async fn get_new_address(&self) -> Address { + let mut rpc = self.bitcoind_rpc_client.lock().await; let addr_args = vec![serde_json::json!("LDK output address")]; - let addr = - runtime.block_on(rpc.call_method::("getnewaddress", &addr_args)).unwrap(); + let addr = rpc.call_method::("getnewaddress", &addr_args).await.unwrap(); Address::from_str(addr.0.as_str()).unwrap() } - pub fn get_blockchain_info(&self) -> BlockchainInfo { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); - - runtime.block_on(rpc.call_method::("getblockchaininfo", &vec![])).unwrap() + pub async fn get_blockchain_info(&self) -> BlockchainInfo { + let mut rpc = self.bitcoind_rpc_client.lock().await; + rpc.call_method::("getblockchaininfo", &vec![]).await.unwrap() } } impl FeeEstimator for BitcoindClient { fn get_est_sat_per_1000_weight(&self, confirmation_target: ConfirmationTarget) -> u32 { - let runtime = self.runtime.lock().unwrap(); - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + match confirmation_target { + ConfirmationTarget::Background => { + self.fees.get(&Target::Background).unwrap().load(Ordering::Acquire) + } + ConfirmationTarget::Normal => { + self.fees.get(&Target::Normal).unwrap().load(Ordering::Acquire) + } + ConfirmationTarget::HighPriority => { + self.fees.get(&Target::HighPriority).unwrap().load(Ordering::Acquire) + } + } + // self.fees.g + // 253 + // match confirmation_target { + // ConfirmationTarget::Background => + // } + // let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); - let (conf_target, estimate_mode, default) = match confirmation_target { - ConfirmationTarget::Background => (144, "ECONOMICAL", 253), - ConfirmationTarget::Normal => (18, "ECONOMICAL", 20000), - ConfirmationTarget::HighPriority => (6, "ECONOMICAL", 50000), - }; + // let (conf_target, estimate_mode, default) = match confirmation_target { + // ConfirmationTarget::Background => (144, "ECONOMICAL", 253), + // ConfirmationTarget::Normal => (18, "ECONOMICAL", 20000), + // ConfirmationTarget::HighPriority => (6, "CONSERVATIVE", 50000), + // }; - // This function may be called from a tokio runtime, or not. So we need to check before - // making the call to avoid the error "cannot run a tokio runtime from within a tokio runtime". - let conf_target_json = serde_json::json!(conf_target); - let estimate_mode_json = serde_json::json!(estimate_mode); - let resp = match Handle::try_current() { - Ok(_) => tokio::task::block_in_place(|| { - runtime - .block_on(rpc.call_method::( - "estimatesmartfee", - &vec![conf_target_json, estimate_mode_json], - )) - .unwrap() - }), - _ => runtime - .block_on(rpc.call_method::( - "estimatesmartfee", - &vec![conf_target_json, estimate_mode_json], - )) - .unwrap(), - }; - if resp.errored { - return default; - } - resp.feerate.unwrap() + // // This function may be called from a tokio runtime, or not. So we need to check before + // // making the call to avoid the error "cannot run a tokio runtime from within a tokio runtime". + // let conf_target_json = serde_json::json!(conf_target); + // let estimate_mode_json = serde_json::json!(estimate_mode); + // let resp = match Handle::try_current() { + // Ok(_) => tokio::task::block_in_place(|| { + // runtime + // .block_on(rpc.call_method::( + // "estimatesmartfee", + // &vec![conf_target_json, estimate_mode_json], + // )) + // .unwrap() + // }), + // _ => runtime + // .block_on(rpc.call_method::( + // "estimatesmartfee", + // &vec![conf_target_json, estimate_mode_json], + // )) + // .unwrap(), + // }; + // if resp.errored { + // return default; + // } + // resp.feerate.unwrap() } } impl BroadcasterInterface for BitcoindClient { fn broadcast_transaction(&self, tx: &Transaction) { - let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); - let runtime = self.runtime.lock().unwrap(); - + let bitcoind_rpc_client = self.bitcoind_rpc_client.clone(); let tx_serialized = serde_json::json!(encode::serialize_hex(tx)); - // This function may be called from a tokio runtime, or not. So we need to check before - // making the call to avoid the error "cannot run a tokio runtime from within a tokio runtime". - match Handle::try_current() { - Ok(_) => { - tokio::task::block_in_place(|| { - runtime - .block_on( - rpc.call_method::("sendrawtransaction", &vec![tx_serialized]), - ) - .unwrap(); - }); - } - _ => { - runtime - .block_on(rpc.call_method::("sendrawtransaction", &vec![tx_serialized])) - .unwrap(); - } - } + tokio::spawn(async move { + let mut rpc = bitcoind_rpc_client.lock().await; + rpc.call_method::("sendrawtransaction", &vec![tx_serialized]).await.unwrap(); + }); + // let bitcoind_rpc_client = self.bitcoind_rpc_client.clone(); + // tokio::spawn(async move { + // let rpc = bitcoind_rpc_client.lock().await; + // rpc.call_method:: + // }); + // let mut rpc = self.bitcoind_rpc_client.lock().unwrap(); + // let runtime = self.runtime.lock().unwrap(); + + // let tx_serialized = serde_json::json!(encode::serialize_hex(tx)); + // // This function may be called from a tokio runtime, or not. So we need to check before + // // making the call to avoid the error "cannot run a tokio runtime from within a tokio runtime". + // match Handle::try_current() { + // Ok(_) => { + // tokio::task::block_in_place(|| { + // runtime + // .block_on( + // rpc.call_method::("sendrawtransaction", &vec![tx_serialized]), + // ) + // .unwrap(); + // }); + // } + // _ => { + // runtime + // .block_on(rpc.call_method::("sendrawtransaction", &vec![tx_serialized])) + // .unwrap(); + // } + // } } } diff --git a/src/cli.rs b/src/cli.rs index ca1b84f..56c788f 100644 --- a/src/cli.rs +++ b/src/cli.rs @@ -26,7 +26,6 @@ use std::path::Path; use std::str::FromStr; use std::sync::Arc; use std::time::Duration; -use tokio::runtime::Handle; use tokio::sync::mpsc; pub(crate) struct LdkUserInfo { @@ -98,11 +97,11 @@ pub(crate) fn parse_startup_args() -> Result { }) } -pub(crate) fn poll_for_user_input( +pub(crate) async fn poll_for_user_input( peer_manager: Arc, channel_manager: Arc, router: Arc, Arc>>, payment_storage: PaymentInfoStorage, node_privkey: SecretKey, event_notifier: mpsc::Sender<()>, - ldk_data_dir: String, logger: Arc, runtime_handle: Handle, network: Network, + ldk_data_dir: String, logger: Arc, network: Network, ) { println!("LDK startup successful. To view available commands: \"help\".\nLDK logs are available at /.ldk/logs"); let stdin = io::stdin(); @@ -149,7 +148,6 @@ pub(crate) fn poll_for_user_input( peer_addr, peer_manager.clone(), event_notifier.clone(), - runtime_handle.clone(), ) .is_err() { @@ -328,7 +326,6 @@ pub(crate) fn poll_for_user_input( peer_addr, peer_manager.clone(), event_notifier.clone(), - runtime_handle.clone(), ) .is_ok() { @@ -448,7 +445,7 @@ fn list_payments(payment_storage: PaymentInfoStorage) { pub(crate) fn connect_peer_if_necessary( pubkey: PublicKey, peer_addr: SocketAddr, peer_manager: Arc, - event_notifier: mpsc::Sender<()>, runtime: Handle, + event_notifier: mpsc::Sender<()>, ) -> Result<(), ()> { for node_pubkey in peer_manager.get_peer_node_ids() { if node_pubkey == pubkey { @@ -459,7 +456,7 @@ pub(crate) fn connect_peer_if_necessary( Ok(stream) => { let peer_mgr = peer_manager.clone(); let event_ntfns = event_notifier.clone(); - runtime.spawn(async move { + tokio::spawn(async move { lightning_net_tokio::setup_outbound(peer_mgr, event_ntfns, pubkey, stream).await; }); let mut peer_connected = false; diff --git a/src/convert.rs b/src/convert.rs index 00ff84d..06677bc 100644 --- a/src/convert.rs +++ b/src/convert.rs @@ -52,6 +52,7 @@ impl TryInto for JsonResponse { pub struct FeeResponse { pub feerate: Option, + // pub errors: Array, pub errored: bool, } @@ -61,11 +62,13 @@ impl TryInto for JsonResponse { let errored = !self.0["errors"].is_null(); Ok(FeeResponse { errored, - feerate: match errored { - true => None, - // The feerate from bitcoind is in BTC/kb, and we want satoshis/kb. - false => Some((self.0["feerate"].as_f64().unwrap() * 100_000_000.0).round() as u32), - }, + feerate: match self.0["feerate"].as_f64() { + Some(fee) => Some((fee * 100_000_000.0).round() as u32), + None => None + } + // true => None, + // // The feerate from bitcoind is in BTC/kb, and we want satoshis/kb. + // false => Some((self.0["feerate"].as_f64().unwrap() * 100_000_000.0).round() as u32), }) } } diff --git a/src/main.rs b/src/main.rs index 529e170..8c5793a 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,4 +1,4 @@ -mod bitcoind_client; +pub mod bitcoind_client; mod cli; mod convert; mod disk; @@ -17,7 +17,7 @@ use bitcoin::BlockHash; use bitcoin_bech32::WitnessProgram; use lightning::chain; use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator}; -use lightning::chain::chainmonitor::ChainMonitor; +use lightning::chain::chainmonitor; use lightning::chain::keysinterface::{InMemorySigner, KeysInterface, KeysManager}; use lightning::chain::transaction::OutPoint; use lightning::chain::Filter; @@ -45,11 +45,10 @@ use std::fs; use std::fs::File; use std::io; use std::io::Write; +use std::ops::Deref; use std::path::Path; use std::sync::{Arc, Mutex}; -use std::thread; use std::time::{Duration, SystemTime}; -use tokio::runtime::Runtime; use tokio::sync::mpsc; #[derive(PartialEq)] @@ -81,7 +80,7 @@ pub(crate) type PaymentInfoStorage = Arc< >, >; -type ArcChainMonitor = ChainMonitor< +type ChainMonitor = chainmonitor::ChainMonitor< InMemorySigner, Arc, Arc, @@ -92,7 +91,7 @@ type ArcChainMonitor = ChainMonitor< pub(crate) type PeerManager = SimpleArcPeerManager< SocketDescriptor, - ArcChainMonitor, + ChainMonitor, BitcoindClient, BitcoindClient, dyn chain::Access, @@ -100,11 +99,11 @@ pub(crate) type PeerManager = SimpleArcPeerManager< >; pub(crate) type ChannelManager = - SimpleArcChannelManager; + SimpleArcChannelManager; -fn handle_ldk_events( +async fn handle_ldk_events( peer_manager: Arc, channel_manager: Arc, - chain_monitor: Arc, bitcoind_client: Arc, + chain_monitor: Arc, bitcoind_client: Arc, keys_manager: Arc, payment_storage: PaymentInfoStorage, network: Network, ) { let mut pending_txs: HashMap = HashMap::new(); @@ -136,16 +135,17 @@ fn handle_ldk_events( .to_address(); let mut outputs = vec![HashMap::with_capacity(1)]; outputs[0].insert(addr, channel_value_satoshis as f64 / 100_000_000.0); - let raw_tx = bitcoind_client.create_raw_transaction(outputs); + let raw_tx = bitcoind_client.create_raw_transaction(outputs).await; // Have your wallet put the inputs into the transaction such that the output is // satisfied. - let funded_tx = bitcoind_client.fund_raw_transaction(raw_tx); + let funded_tx = bitcoind_client.fund_raw_transaction(raw_tx).await; let change_output_position = funded_tx.changepos; assert!(change_output_position == 0 || change_output_position == 1); // Sign the final funding transaction and broadcast it. - let signed_tx = bitcoind_client.sign_raw_transaction_with_wallet(funded_tx.hex); + let signed_tx = + bitcoind_client.sign_raw_transaction_with_wallet(funded_tx.hex).await; assert_eq!(signed_tx.complete, true); let final_tx: Transaction = encode::deserialize(&hex_utils::to_vec(&signed_tx.hex).unwrap()).unwrap(); @@ -234,15 +234,16 @@ fn handle_ldk_events( } Event::PendingHTLCsForwardable { time_forwardable } => { let forwarding_channel_manager = loop_channel_manager.clone(); - thread::spawn(move || { + tokio::spawn(async move { let min = time_forwardable.as_secs(); let seconds_to_sleep = thread_rng().gen_range(min, min * 5); - thread::sleep(Duration::new(seconds_to_sleep, 0)); + // thread::sleep(Duration::new(seconds_to_sleep, 0)); + tokio::time::sleep(Duration::from_secs(seconds_to_sleep)).await; forwarding_channel_manager.process_pending_htlc_forwards(); }); } Event::SpendableOutputs { outputs } => { - let destination_address = bitcoind_client.get_new_address(); + let destination_address = bitcoind_client.get_new_address().await; let output_descriptors = &outputs.iter().map(|a| a).collect::>(); let tx_feerate = bitcoind_client.get_est_sat_per_1000_weight(ConfirmationTarget::Normal); @@ -260,11 +261,12 @@ fn handle_ldk_events( } } } - thread::sleep(Duration::new(1, 0)); + tokio::time::sleep(Duration::from_secs(1)).await; } } -fn main() { +#[tokio::main] +pub async fn main() { let args = match cli::parse_startup_args() { Ok(user_args) => user_args, Err(()) => return, @@ -275,19 +277,21 @@ fn main() { fs::create_dir_all(ldk_data_dir.clone()).unwrap(); // Initialize our bitcoind client. - let bitcoind_client = match BitcoindClient::new( + let mut bitcoind_client = match BitcoindClient::new( args.bitcoind_rpc_host.clone(), args.bitcoind_rpc_port, args.bitcoind_rpc_username.clone(), args.bitcoind_rpc_password.clone(), - ) { + ) + .await + { Ok(client) => Arc::new(client), Err(e) => { println!("Failed to connect to bitcoind client: {}", e); return; } }; - let mut bitcoind_rpc_client = bitcoind_client.get_new_rpc_client().unwrap(); + // let mut bitcoind_rpc_client = bitcoind_client.get_new_rpc_client().unwrap(); // ## Setup // Step 1: Initialize the FeeEstimator @@ -308,7 +312,7 @@ fn main() { let persister = Arc::new(FilesystemPersister::new(ldk_data_dir.clone())); // Step 5: Initialize the ChainMonitor - let chain_monitor: Arc = Arc::new(ChainMonitor::new( + let chain_monitor: Arc = Arc::new(chainmonitor::ChainMonitor::new( None, broadcaster.clone(), logger.clone(), @@ -329,9 +333,16 @@ fn main() { } else { let mut key = [0; 32]; thread_rng().fill_bytes(&mut key); - let mut f = File::create(keys_seed_path).unwrap(); - f.write_all(&key).expect("Failed to write node keys seed to disk"); - f.sync_all().expect("Failed to sync node keys seed to disk"); + match File::create(keys_seed_path.clone()) { + Ok(mut f) => { + f.write_all(&key).expect("Failed to write node keys seed to disk"); + f.sync_all().expect("Failed to sync node keys seed to disk"); + } + Err(e) => { + println!("ERROR: Unable to create keys seed file {}: {}", keys_seed_path, e); + return; + } + } key }; let cur = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap(); @@ -344,7 +355,6 @@ fn main() { // Step 9: Initialize the ChannelManager let user_config = UserConfig::default(); - let runtime = Runtime::new().unwrap(); let mut restarting_node = true; let (channel_manager_blockhash, mut channel_manager) = { if let Ok(mut f) = fs::File::open(format!("{}/manager", ldk_data_dir.clone())) { @@ -365,7 +375,8 @@ fn main() { } else { // We're starting a fresh node. restarting_node = false; - let getinfo_resp = bitcoind_client.get_blockchain_info(); + let getinfo_resp = bitcoind_client.get_blockchain_info().await; + let chain_params = ChainParameters { network: args.network, latest_hash: getinfo_resp.latest_blockhash, @@ -409,14 +420,15 @@ fn main() { )); } chain_tip = Some( - runtime - .block_on(init::synchronize_listeners( - &mut bitcoind_rpc_client, - args.network, - &mut cache, - chain_listeners, - )) - .unwrap(), + init::synchronize_listeners( + // &mut bitcoind_rpc_client, + &mut bitcoind_client.deref(), + args.network, + &mut cache, + chain_listeners, + ) + .await + .unwrap(), ); } @@ -451,11 +463,11 @@ fn main() { // We poll for events in handle_ldk_events(..) rather than waiting for them over the // mpsc::channel, so we can leave the event receiver as unused. - let (event_ntfn_sender, mut _event_ntfn_receiver) = mpsc::channel(2); + let (event_ntfn_sender, _event_ntfn_receiver) = mpsc::channel(2); let peer_manager_connection_handler = peer_manager.clone(); let event_notifier = event_ntfn_sender.clone(); let listening_port = args.ldk_peer_listening_port; - runtime.spawn(async move { + tokio::spawn(async move { let listener = std::net::TcpListener::bind(format!("0.0.0.0:{}", listening_port)).unwrap(); loop { let tcp_stream = listener.accept().unwrap().0; @@ -470,15 +482,21 @@ fn main() { // Step 17: Connect and Disconnect Blocks if chain_tip.is_none() { - chain_tip = Some( - runtime.block_on(init::validate_best_block_header(&mut bitcoind_rpc_client)).unwrap(), - ); + // chain_tip = Some(init::validate_best_block_header(&mut bitcoind_client).await.unwrap()); + chain_tip = + Some(init::validate_best_block_header(&mut bitcoind_client.deref()).await.unwrap()); + // chain_tip = Some(init::validate_best_block_header(&mut bitcoind_rpc_client).await.unwrap()); } let channel_manager_listener = channel_manager.clone(); let chain_monitor_listener = chain_monitor.clone(); + let bitcoind_block_source = bitcoind_client.clone(); let network = args.network; - runtime.spawn(async move { - let chain_poller = poll::ChainPoller::new(&mut bitcoind_rpc_client, network); + tokio::spawn(async move { + // let chain_poller = poll::ChainPoller::new(&mut bitcoind_client, network); + let mut derefed = bitcoind_block_source.deref(); + // let chain_poller = poll::ChainPoller::new(&mut bitcoind_block_source.deref(), network); + let chain_poller = poll::ChainPoller::new(&mut derefed, network); + // let chain_poller = poll::ChainPoller::new(&mut bitcoind_rpc_client, network); let chain_listener = (chain_monitor_listener, channel_manager_listener); let mut spv_client = SpvClient::new(chain_tip.unwrap(), chain_poller, &mut cache, &chain_listener); @@ -490,7 +508,6 @@ fn main() { // Step 17 & 18: Initialize ChannelManager persistence & Once Per Minute: ChannelManager's // timer_chan_freshness_every_min() and PeerManager's timer_tick_occurred - let runtime_handle = runtime.handle(); let data_dir = ldk_data_dir.clone(); let persist_channel_manager_callback = move |node: &ChannelManager| FilesystemPersister::persist_manager(data_dir.clone(), &*node); @@ -501,9 +518,11 @@ fn main() { ); let peer_manager_processor = peer_manager.clone(); - thread::spawn(move || loop { - peer_manager_processor.timer_tick_occurred(); - thread::sleep(Duration::new(60, 0)); + tokio::spawn(async move { + loop { + peer_manager_processor.timer_tick_occurred(); + tokio::time::sleep(Duration::from_secs(60)).await; + } }); // Step 15: Initialize LDK Event Handling @@ -514,20 +533,29 @@ fn main() { let payment_info: PaymentInfoStorage = Arc::new(Mutex::new(HashMap::new())); let payment_info_for_events = payment_info.clone(); let network = args.network; - thread::spawn(move || { + // let bitcoind = BitcoindClient::new( + // args.bitcoind_rpc_host.clone(), + // args.bitcoind_rpc_port, + // args.bitcoind_rpc_username.clone(), + // args.bitcoind_rpc_password.clone(), + // ).await.unwrap(); + let bitcoind_rpc = bitcoind_client.clone(); + tokio::spawn(async move { handle_ldk_events( peer_manager_event_listener, channel_manager_event_listener, chain_monitor_event_listener, - bitcoind_client.clone(), + // bitcoind_client.clone(), + bitcoind_rpc, + // bitcoind, keys_manager_listener, payment_info_for_events, network, - ); + ) + .await; }); // Reconnect to channel peers if possible. - let handle = runtime_handle.clone(); let peer_data_path = format!("{}/channel_peer_data", ldk_data_dir.clone()); match disk::read_channel_peer_data(Path::new(&peer_data_path)) { Ok(mut info) => { @@ -539,7 +567,6 @@ fn main() { peer_addr, peer_manager.clone(), event_ntfn_sender.clone(), - handle.clone(), ); } } @@ -558,7 +585,7 @@ fn main() { event_ntfn_sender, ldk_data_dir.clone(), logger.clone(), - handle, args.network, - ); + ) + .await; }