Minimal updates to lightning-transaction-sync for bindings

Bindings don't accept dyn traits, but instead map any traits to a
single dynamic struct. Thus, we can always take a specific trait
to accept any implementation, which we do here.

Author: TheBlueMatt

lightning-transaction-sync/src/electrum.rs

@@ -5,6 +5,8 @@
 // http://opensource.org/licenses/MIT>, at your option. You may not use this file except in
 // accordance with one or both of these licenses.
 
+//! Chain sync using the electrum protocol
+
 use crate::common::{ConfirmedTx, FilterQueue, SyncState};
 use crate::error::{InternalError, TxSyncError};
 

lightning-transaction-sync/src/error.rs

@@ -5,6 +5,8 @@
 // http://opensource.org/licenses/MIT>, at your option. You may not use this file except in
 // accordance with one or both of these licenses.
 
+//! Common error types
+
 use std::fmt;
 
 #[derive(Debug)]

lightning-transaction-sync/src/esplora.rs

@@ -5,6 +5,8 @@
 // http://opensource.org/licenses/MIT>, at your option. You may not use this file except in
 // accordance with one or both of these licenses.
 
+//! Chain sync using the Esplora API
+
 use crate::common::{ConfirmedTx, FilterQueue, SyncState};
 use crate::error::{InternalError, TxSyncError};
 

lightning-transaction-sync/src/lib.rs

@@ -72,15 +72,15 @@
 #![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 #[cfg(any(feature = "esplora-blocking", feature = "esplora-async"))]
-mod esplora;
+pub mod esplora;
 
 #[cfg(any(feature = "electrum"))]
-mod electrum;
+pub mod electrum;
 
 #[cfg(any(feature = "esplora-blocking", feature = "esplora-async", feature = "electrum"))]
 mod common;
 #[cfg(any(feature = "esplora-blocking", feature = "esplora-async", feature = "electrum"))]
-mod error;
+pub mod error;
 #[cfg(any(feature = "esplora-blocking", feature = "esplora-async", feature = "electrum"))]
 pub use error::TxSyncError;