]> git.bitcoin.ninja Git - ldk-sample/commitdiff
Fee estimator WIP
authorValentine Wallace <vwallace@protonmail.com>
Wed, 24 Feb 2021 00:29:56 +0000 (19:29 -0500)
committerValentine Wallace <vwallace@protonmail.com>
Thu, 18 Mar 2021 16:13:05 +0000 (12:13 -0400)
Cargo.lock [new file with mode: 0644]
Cargo.toml
src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644 (file)
index 0000000..f167acc
--- /dev/null
@@ -0,0 +1,998 @@
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index 66b986cfa1c2af4034006c8dd8d57156f682f646..154874a4b7b7d13a6db4db7cdd98bc482f6ec442 100644 (file)
@@ -7,3 +7,17 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+background-processor = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "d6f41d3c0b38b9ec9e06a3acfdd9f4b1d007a27d" }
+base64 = "0.13.0"
+bitcoin = "0.26"
+hex = "0.3"
+lightning = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "c35002fa9c16042badfa5e7bf819df5f1d2ae60a" }
+# lightning-block-sync = { git = "https://github.com/valentinewallace/rust-lightning", rev = "21deebf64b4e6ba3f104dc6c68efa5d3abc4c0f7", features = ["tokio", "rpc-client"] }
+lightning-block-sync = { path = "../rust-lightning/lightning-block-sync", features = ["rpc-client", "expose-rpc" ] }
+lightning-invoice = { git = "https://github.com/rust-bitcoin/rust-lightning-invoice", rev = "ea25dc7e46a6339493032c500db4fe3a8fdb1acd" }
+lightning-net-tokio = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "ff00f6f8861419b73269e6c51d75ac9de75f1d1f" }
+lightning-persister = { git = "https://github.com/rust-bitcoin/rust-lightning", rev = "aa127f55edc4439b03426644d178e402397329e8" }
+time = "0.2"
+rand = "0.4"
+serde_json = { version = "1.0" }
+tokio = { version = "0.2", features = ["io-std", "io-util", "rt-threaded", "tcp", "time", "sync"] }
index e7a11a969c037e00a796aafeff6258501ec15e9a..d8b0f23b415305d6a4c07c7889067c782ba0c1ad 100644 (file)
@@ -1,3 +1,68 @@
+use base64;
+use serde_json;
+
+use lightning::chain::chaininterface::{ConfirmationTarget, FeeEstimator};
+use lightning::util::logger::{Logger, Record};
+use lightning_block_sync::http::HttpEndpoint;
+use lightning_block_sync::rpc::RpcClient;
+
+use std::sync::Mutex;
+
+pub struct BitcoindFeeEstimator {
+    bitcoind_rpc_client: Mutex<RpcClient>,
+}
+
+impl BitcoindFeeEstimator {
+    fn new(host: String, port: u16, path: Option<String>, rpc_user: String, rpc_password: String) ->
+        std::io::Result<Self>
+    {
+        let mut http_endpoint = HttpEndpoint::for_host(host).with_port(port);
+        if let Some(p) = path {
+            http_endpoint = http_endpoint.with_path(p);
+        }
+        let rpc_credentials = base64::encode(format!("{}:{}", rpc_user, rpc_password));
+        let bitcoind_rpc_client = RpcClient::new(&rpc_credentials, http_endpoint)?;
+        Ok(Self {
+            bitcoind_rpc_client: Mutex::new(bitcoind_rpc_client)
+        })
+    }
+}
+
+impl FeeEstimator for BitcoindFeeEstimator {
+    fn get_est_sat_per_1000_weight(&self, confirmation_target: ConfirmationTarget) -> u32 {
+        let mut rpc_client_guard = self.bitcoind_rpc_client.lock().unwrap();
+        match confirmation_target {
+            ConfirmationTarget::Background => {
+                let conf_target = serde_json::json!(144);
+                let estimate_mode = serde_json::json!("ECONOMICAL");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+            ConfirmationTarget::Normal => {
+                let conf_target = serde_json::json!(18);
+                let estimate_mode = serde_json::json!("ECONOMICAL");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+            ConfirmationTarget::HighPriority => {
+                let conf_target = serde_json::json!(6);
+                let estimate_mode = serde_json::json!("CONSERVATIVE");
+                let resp = rpc_client_guard.call_method("estimatesmartfee",
+                                                        &vec![conf_target, estimate_mode]).unwrap();
+                resp["feerate"].as_u64().unwrap() as u32
+            },
+        }
+    }
+}
+
 fn main() {
-    println!("Hello, world!");
+    let bitcoind_host = "127.0.0.1".to_string();
+    let bitcoind_port = 18443;
+    let rpc_user = "polaruser".to_string();
+    let rpc_password = "polarpass".to_string();
+    let fee_estimator = BitcoindFeeEstimator::new(bitcoind_host, bitcoind_port, None, rpc_user, rpc_password).unwrap();
+    let normal_fee = fee_estimator.get_est_sat_per_1000_weight(ConfirmationTarget::Normal);
+    println!("VMW: {}", normal_fee);
 }