-use crate::convert::{BlockchainInfo, FeeResponse, FundedTx, NewAddress, RawTx, SignedTx};
+use crate::convert::{
+ BlockchainInfo, FeeResponse, FundedTx, ListUnspentResponse, MempoolMinFeeResponse, NewAddress,
+ RawTx, SignedTx,
+};
use crate::disk::FilesystemLogger;
+use crate::hex_utils;
use base64;
+use bitcoin::blockdata::constants::WITNESS_SCALE_FACTOR;
use bitcoin::blockdata::transaction::Transaction;
-use bitcoin::consensus::encode;
+use bitcoin::consensus::{encode, Decodable, Encodable};
use bitcoin::hash_types::{BlockHash, Txid};
-use bitcoin::util::address::Address;
+use bitcoin::hashes::Hash;
+use bitcoin::util::address::{Address, Payload, WitnessVersion};
+use bitcoin::{OutPoint, Script, TxOut, WPubkeyHash, XOnlyPublicKey};
use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
+use lightning::events::bump_transaction::{Utxo, WalletSource};
use lightning::log_error;
use lightning::routing::utxo::{UtxoLookup, UtxoResult};
use lightning::util::logger::Logger;
use std::time::Duration;
pub struct BitcoindClient {
- bitcoind_rpc_client: Arc<RpcClient>,
+ pub(crate) bitcoind_rpc_client: Arc<RpcClient>,
host: String,
port: u16,
rpc_user: String,
rpc_password: String,
- fees: Arc<HashMap<Target, AtomicU32>>,
+ fees: Arc<HashMap<ConfirmationTarget, AtomicU32>>,
handle: tokio::runtime::Handle,
logger: Arc<FilesystemLogger>,
}
-#[derive(Clone, Eq, Hash, PartialEq)]
-pub enum Target {
- Background,
- Normal,
- HighPriority,
-}
-
impl BlockSource for BitcoindClient {
fn get_header<'a>(
&'a self, header_hash: &'a BlockHash, height_hint: Option<u32>,
std::io::Error::new(std::io::ErrorKind::PermissionDenied,
"Failed to make initial call to bitcoind - please check your RPC user/password and access settings")
})?;
- let mut fees: HashMap<Target, AtomicU32> = HashMap::new();
- fees.insert(Target::Background, AtomicU32::new(MIN_FEERATE));
- fees.insert(Target::Normal, AtomicU32::new(2000));
- fees.insert(Target::HighPriority, AtomicU32::new(5000));
+ let mut fees: HashMap<ConfirmationTarget, AtomicU32> = HashMap::new();
+ fees.insert(ConfirmationTarget::MempoolMinimum, AtomicU32::new(MIN_FEERATE));
+ fees.insert(ConfirmationTarget::Background, AtomicU32::new(MIN_FEERATE));
+ fees.insert(ConfirmationTarget::Normal, AtomicU32::new(2000));
+ fees.insert(ConfirmationTarget::HighPriority, AtomicU32::new(5000));
let client = Self {
bitcoind_rpc_client: Arc::new(bitcoind_rpc_client),
host,
}
fn poll_for_fee_estimates(
- fees: Arc<HashMap<Target, AtomicU32>>, rpc_client: Arc<RpcClient>,
+ fees: Arc<HashMap<ConfirmationTarget, AtomicU32>>, rpc_client: Arc<RpcClient>,
handle: tokio::runtime::Handle,
) {
handle.spawn(async move {
loop {
+ let mempoolmin_estimate = {
+ let resp = rpc_client
+ .call_method::<MempoolMinFeeResponse>("getmempoolinfo", &vec![])
+ .await
+ .unwrap();
+ match resp.feerate_sat_per_kw {
+ Some(feerate) => std::cmp::max(feerate, MIN_FEERATE),
+ None => MIN_FEERATE,
+ }
+ };
let background_estimate = {
let background_conf_target = serde_json::json!(144);
let background_estimate_mode = serde_json::json!("ECONOMICAL");
}
};
- fees.get(&Target::Background)
+ fees.get(&ConfirmationTarget::MempoolMinimum)
+ .unwrap()
+ .store(mempoolmin_estimate, Ordering::Release);
+ fees.get(&ConfirmationTarget::Background)
.unwrap()
.store(background_estimate, Ordering::Release);
- fees.get(&Target::Normal).unwrap().store(normal_estimate, Ordering::Release);
- fees.get(&Target::HighPriority)
+ fees.get(&ConfirmationTarget::Normal)
+ .unwrap()
+ .store(normal_estimate, Ordering::Release);
+ fees.get(&ConfirmationTarget::HighPriority)
.unwrap()
.store(high_prio_estimate, Ordering::Release);
tokio::time::sleep(Duration::from_secs(60)).await;
.await
.unwrap()
}
+
+ pub async fn list_unspent(&self) -> ListUnspentResponse {
+ self.bitcoind_rpc_client
+ .call_method::<ListUnspentResponse>("listunspent", &vec![])
+ .await
+ .unwrap()
+ }
}
impl FeeEstimator for BitcoindClient {
fn get_est_sat_per_1000_weight(&self, confirmation_target: ConfirmationTarget) -> u32 {
- 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.get(&confirmation_target).unwrap().load(Ordering::Acquire)
}
}
impl BroadcasterInterface for BitcoindClient {
- fn broadcast_transaction(&self, tx: &Transaction) {
- let bitcoind_rpc_client = self.bitcoind_rpc_client.clone();
- let tx_serialized = encode::serialize_hex(tx);
- let tx_json = serde_json::json!(tx_serialized);
- let logger = Arc::clone(&self.logger);
- self.handle.spawn(async move {
- // This may error due to RL calling `broadcast_transaction` with the same transaction
- // multiple times, but the error is safe to ignore.
- match bitcoind_rpc_client
- .call_method::<Txid>("sendrawtransaction", &vec![tx_json])
- .await
- {
- Ok(_) => {}
- Err(e) => {
- let err_str = e.get_ref().unwrap().to_string();
- log_error!(logger,
- "Warning, failed to broadcast a transaction, this is likely okay but may indicate an error: {}\nTransaction: {}",
- err_str,
- tx_serialized);
- print!("Warning, failed to broadcast a transaction, this is likely okay but may indicate an error: {}\n> ", err_str);
- }
- }
- });
+ fn broadcast_transactions(&self, txs: &[&Transaction]) {
+ // TODO: Rather than calling `sendrawtransaction` in a a loop, we should probably use
+ // `submitpackage` once it becomes available.
+ for tx in txs {
+ let bitcoind_rpc_client = Arc::clone(&self.bitcoind_rpc_client);
+ let tx_serialized = encode::serialize_hex(tx);
+ let tx_json = serde_json::json!(tx_serialized);
+ let logger = Arc::clone(&self.logger);
+ self.handle.spawn(async move {
+ // This may error due to RL calling `broadcast_transactions` with the same transaction
+ // multiple times, but the error is safe to ignore.
+ match bitcoind_rpc_client
+ .call_method::<Txid>("sendrawtransaction", &vec![tx_json])
+ .await
+ {
+ Ok(_) => {}
+ Err(e) => {
+ let err_str = e.get_ref().unwrap().to_string();
+ log_error!(logger,
+ "Warning, failed to broadcast a transaction, this is likely okay but may indicate an error: {}\nTransaction: {}",
+ err_str,
+ tx_serialized);
+ print!("Warning, failed to broadcast a transaction, this is likely okay but may indicate an error: {}\n> ", err_str);
+ }
+ }
+ });
+ }
}
}
todo!();
}
}
+
+impl WalletSource for BitcoindClient {
+ fn list_confirmed_utxos(&self) -> Result<Vec<Utxo>, ()> {
+ let utxos = tokio::task::block_in_place(move || {
+ self.handle.block_on(async move { self.list_unspent().await }).0
+ });
+ Ok(utxos
+ .into_iter()
+ .filter_map(|utxo| {
+ let outpoint = OutPoint { txid: utxo.txid, vout: utxo.vout };
+ match utxo.address.payload {
+ Payload::WitnessProgram { version, ref program } => match version {
+ WitnessVersion::V0 => WPubkeyHash::from_slice(program)
+ .map(|wpkh| Utxo::new_v0_p2wpkh(outpoint, utxo.amount, &wpkh))
+ .ok(),
+ // TODO: Add `Utxo::new_v1_p2tr` upstream.
+ WitnessVersion::V1 => XOnlyPublicKey::from_slice(program)
+ .map(|_| Utxo {
+ outpoint,
+ output: TxOut {
+ value: utxo.amount,
+ script_pubkey: Script::new_witness_program(version, program),
+ },
+ satisfaction_weight: 1 /* empty script_sig */ * WITNESS_SCALE_FACTOR as u64 +
+ 1 /* witness items */ + 1 /* schnorr sig len */ + 64, /* schnorr sig */
+ })
+ .ok(),
+ _ => None,
+ },
+ _ => None,
+ }
+ })
+ .collect())
+ }
+
+ fn get_change_script(&self) -> Result<Script, ()> {
+ tokio::task::block_in_place(move || {
+ Ok(self.handle.block_on(async move { self.get_new_address().await.script_pubkey() }))
+ })
+ }
+
+ fn sign_tx(&self, tx: Transaction) -> Result<Transaction, ()> {
+ let mut tx_bytes = Vec::new();
+ let _ = tx.consensus_encode(&mut tx_bytes).map_err(|_| ());
+ let tx_hex = hex_utils::hex_str(&tx_bytes);
+ let signed_tx = tokio::task::block_in_place(move || {
+ self.handle.block_on(async move { self.sign_raw_transaction_with_wallet(tx_hex).await })
+ });
+ let signed_tx_bytes = hex_utils::to_vec(&signed_tx.hex).ok_or(())?;
+ Transaction::consensus_decode(&mut signed_tx_bytes.as_slice()).map_err(|_| ())
+ }
+}
projects / ldk-sample / blobdiff