feat(kyoto): add avg feerate and connect, bump version

Author: rustaceanrob

bdk-ffi/Cargo.lock

@@ -21,7 +21,7 @@ default = ["uniffi/cli"]
 bdk_wallet = { version = "2.0.0", features = ["all-keys", "keys-bip39", "rusqlite"] }
 bdk_esplora = { version = "0.22.0", default-features = false, features = ["std", "blocking", "blocking-https-rustls"] }
 bdk_electrum = { version = "0.23.0", default-features = false, features = ["use-rustls-ring"] }
-bdk_kyoto = { version = "0.13.0" }
+bdk_kyoto = { version = "0.13.1" }
 
 uniffi = { version = "=0.29.1" }
 thiserror = "1.0.58"

bdk-ffi/Cargo.toml

@@ -23,6 +23,7 @@ use std::time::Duration;
 
 use tokio::sync::Mutex;
 
+use crate::bitcoin::BlockHash;
 use crate::bitcoin::Transaction;
 use crate::error::{CbfBuilderError, CbfError};
 use crate::types::Update;
@@ -340,6 +341,27 @@ impl CbfClient {
             .map(|fee| Arc::new(FeeRate(fee)))
     }
 
+    /// Fetch the average fee rate for a block by requesting it from a peer. Not recommend for
+    /// resource-limited devices.
+    pub async fn average_fee_rate(
+        &self,
+        blockhash: Arc<BlockHash>,
+    ) -> Result<Arc<FeeRate>, CbfError> {
+        let fee_rate = self
+            .sender
+            .average_fee_rate(blockhash.0)
+            .await
+            .map_err(|_| CbfError::NodeStopped)?;
+        Ok(Arc::new(fee_rate.into()))
+    }
+
+    /// Add another [`Peer`] to attempt a connection with.
+    pub fn connect(&self, peer: Peer) -> Result<(), CbfError> {
+        self.sender
+            .add_peer(peer)
+            .map_err(|_| CbfError::NodeStopped)
+    }
+
     /// Query a Bitcoin DNS seeder using the configured resolver.
     ///
     /// This is **not** a generic DNS implementation. Host names are prefixed with a `x849` to filter