+use crate::convert::{BlockchainInfo, FeeResponse, FundedTx, NewAddress, RawTx, SignedTx};
use base64;
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::consensus::encode;
use bitcoin::util::address::Address;
-use crate::convert::{BlockchainInfo, FeeResponse, FundedTx, NewAddress, RawTx, SignedTx};
use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
use lightning_block_sync::http::HttpEndpoint;
use lightning_block_sync::rpc::RpcClient;
use tokio::runtime::{Handle, Runtime};
pub struct BitcoindClient {
- bitcoind_rpc_client: Mutex<RpcClient>,
- host: String,
- port: u16,
- rpc_user: String,
- rpc_password: String,
- runtime: Mutex<Runtime>,
+ bitcoind_rpc_client: Mutex<RpcClient>,
+ host: String,
+ port: u16,
+ rpc_user: String,
+ rpc_password: String,
+ runtime: Mutex<Runtime>,
}
impl BitcoindClient {
- pub fn new(host: String, port: u16, rpc_user: String, rpc_password: String) ->
- std::io::Result<Self>
- {
- 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 client = Self {
- bitcoind_rpc_client: Mutex::new(bitcoind_rpc_client),
- host,
- port,
- rpc_user,
- rpc_password,
- runtime: Mutex::new(Runtime::new().unwrap()),
- };
- Ok(client)
- }
-
- pub fn get_new_rpc_client(&self) -> std::io::Result<RpcClient> {
- let http_endpoint = HttpEndpoint::for_host(self.host.clone()).with_port(self.port);
- let rpc_credentials = base64::encode(format!("{}:{}",
- self.rpc_user.clone(),
- self.rpc_password.clone()));
- RpcClient::new(&rpc_credentials, http_endpoint)
- }
-
- pub fn create_raw_transaction(&self, outputs: Vec<HashMap<String, f64>>) -> RawTx {
- let runtime = self.runtime.lock().unwrap();
- let mut rpc = self.bitcoind_rpc_client.lock().unwrap();
-
- let outputs_json = serde_json::json!(outputs);
- runtime.block_on(rpc.call_method::<RawTx>("createrawtransaction", &vec![serde_json::json!([]), outputs_json])).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();
-
- let raw_tx_json = serde_json::json!(raw_tx.0);
- runtime.block_on(rpc.call_method("fundrawtransaction", &[raw_tx_json])).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();
-
- let tx_hex_json = serde_json::json!(tx_hex);
- runtime.block_on(rpc.call_method("signrawtransactionwithwallet",
- &vec![tx_hex_json])).unwrap()
- }
-
- pub fn get_new_address(&self) -> Address {
- let runtime = self.runtime.lock().unwrap();
- let mut rpc = self.bitcoind_rpc_client.lock().unwrap();
-
- let addr_args = vec![serde_json::json!("LDK output address")];
- let addr = runtime.block_on(rpc.call_method::<NewAddress>("getnewaddress", &addr_args)).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::<BlockchainInfo>("getblockchaininfo",
- &vec![])).unwrap()
- }
+ pub fn new(
+ host: String, port: u16, rpc_user: String, rpc_password: String,
+ ) -> std::io::Result<Self> {
+ 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 client = Self {
+ bitcoind_rpc_client: Mutex::new(bitcoind_rpc_client),
+ host,
+ port,
+ rpc_user,
+ rpc_password,
+ runtime: Mutex::new(Runtime::new().unwrap()),
+ };
+ Ok(client)
+ }
+
+ pub fn get_new_rpc_client(&self) -> std::io::Result<RpcClient> {
+ let http_endpoint = HttpEndpoint::for_host(self.host.clone()).with_port(self.port);
+ let rpc_credentials =
+ base64::encode(format!("{}:{}", self.rpc_user.clone(), self.rpc_password.clone()));
+ RpcClient::new(&rpc_credentials, http_endpoint)
+ }
+
+ pub fn create_raw_transaction(&self, outputs: Vec<HashMap<String, f64>>) -> RawTx {
+ let runtime = self.runtime.lock().unwrap();
+ let mut rpc = self.bitcoind_rpc_client.lock().unwrap();
+
+ let outputs_json = serde_json::json!(outputs);
+ runtime
+ .block_on(rpc.call_method::<RawTx>(
+ "createrawtransaction",
+ &vec![serde_json::json!([]), outputs_json],
+ ))
+ .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();
+
+ let raw_tx_json = serde_json::json!(raw_tx.0);
+ runtime.block_on(rpc.call_method("fundrawtransaction", &[raw_tx_json])).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();
+
+ let tx_hex_json = serde_json::json!(tx_hex);
+ runtime
+ .block_on(rpc.call_method("signrawtransactionwithwallet", &vec![tx_hex_json]))
+ .unwrap()
+ }
+
+ pub fn get_new_address(&self) -> Address {
+ let runtime = self.runtime.lock().unwrap();
+ let mut rpc = self.bitcoind_rpc_client.lock().unwrap();
+
+ let addr_args = vec![serde_json::json!("LDK output address")];
+ let addr =
+ runtime.block_on(rpc.call_method::<NewAddress>("getnewaddress", &addr_args)).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::<BlockchainInfo>("getblockchaininfo", &vec![])).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();
-
- let (conf_target, estimate_mode, default) = match confirmation_target {
- ConfirmationTarget::Background => (144, "ECONOMICAL", 253),
- ConfirmationTarget::Normal => (18, "ECONOMICAL", 20000),
- ConfirmationTarget::HighPriority => (6, "ECONOMICAL", 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::<FeeResponse>("estimatesmartfee",
- &vec![conf_target_json,
- estimate_mode_json])).unwrap()
- })
- },
- _ => runtime.block_on(rpc.call_method::<FeeResponse>("estimatesmartfee",
- &vec![conf_target_json,
- estimate_mode_json])).unwrap()
- };
- if resp.errored {
- return default
- }
- resp.feerate.unwrap()
- }
+ 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();
+
+ let (conf_target, estimate_mode, default) = match confirmation_target {
+ ConfirmationTarget::Background => (144, "ECONOMICAL", 253),
+ ConfirmationTarget::Normal => (18, "ECONOMICAL", 20000),
+ ConfirmationTarget::HighPriority => (6, "ECONOMICAL", 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::<FeeResponse>(
+ "estimatesmartfee",
+ &vec![conf_target_json, estimate_mode_json],
+ ))
+ .unwrap()
+ }),
+ _ => runtime
+ .block_on(rpc.call_method::<FeeResponse>(
+ "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 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::<RawTx>("sendrawtransaction",
- &vec![tx_serialized])).unwrap();
- });
- },
- _ => {
- runtime.block_on(rpc.call_method::<RawTx>("sendrawtransaction",
- &vec![tx_serialized])).unwrap();
- }
- }
- }
+ fn broadcast_transaction(&self, tx: &Transaction) {
+ 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::<RawTx>("sendrawtransaction", &vec![tx_serialized]),
+ )
+ .unwrap();
+ });
+ }
+ _ => {
+ runtime
+ .block_on(rpc.call_method::<RawTx>("sendrawtransaction", &vec![tx_serialized]))
+ .unwrap();
+ }
+ }
+ }
}