X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=src%2Fbitcoind_client.rs;h=ca4a18134423a17f21636fab53cc8d534e749af0;hb=198a8397557b7a0df16504c46f685f0e1a0d69d6;hp=58510ae736bd894cbfece045db24ef4ddd9ded31;hpb=6199433ab8f13e4f78b12e13a683eb33c999114b;p=ldk-sample

diff --git a/src/bitcoind_client.rs b/src/bitcoind_client.rs
index 58510ae..ca4a181 100644
--- a/src/bitcoind_client.rs
+++ b/src/bitcoind_client.rs
@@ -67,7 +67,14 @@ impl BitcoindClient {
 		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 bitcoind_rpc_client = RpcClient::new(&rpc_credentials, http_endpoint)?;
+		let _dummy = bitcoind_rpc_client
+			.call_method::<BlockchainInfo>("getblockchaininfo", &vec![])
+			.await
+			.map_err(|_| {
+				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(253));
 		fees.insert(Target::Normal, AtomicU32::new(2000));
@@ -231,7 +238,20 @@ impl BroadcasterInterface for BitcoindClient {
 		let tx_serialized = serde_json::json!(encode::serialize_hex(tx));
 		tokio::spawn(async move {
 			let mut rpc = bitcoind_rpc_client.lock().await;
-			rpc.call_method::<RawTx>("sendrawtransaction", &vec![tx_serialized]).await.unwrap();
+			// This may error due to RL calling `broadcast_transaction` with the same transaction
+			// multiple times, but the error is safe to ignore.
+			match rpc.call_method::<RawTx>("sendrawtransaction", &vec![tx_serialized]).await {
+				Ok(_) => {}
+				Err(e) => {
+					let err_str = e.get_ref().unwrap().to_string();
+					if !err_str.contains("Transaction already in block chain")
+						&& !err_str.contains("Inputs missing or spent")
+						&& !err_str.contains("non-BIP68-final")
+					{
+						panic!("{}", e);
+					}
+				}
+			}
 		});
 	}
 }