diff --git a/lightning/src/chain/channelmonitor.rs b/lightning/src/chain/channelmonitor.rs
index e5d0386615b..469e9501204 100644
--- a/lightning/src/chain/channelmonitor.rs
+++ b/lightning/src/chain/channelmonitor.rs
@@ -57,7 +57,6 @@ use crate::events::bump_transaction::{AnchorDescriptor, BumpTransactionEvent};
 use crate::prelude::*;
 
 use core::{cmp, mem};
-use std::path::PathBuf;
 use crate::io::{self, Error};
 use core::ops::Deref;
 use crate::sync::{Mutex, LockTestExt};
diff --git a/lightning/src/color_ext/database.rs b/lightning/src/color_ext/database.rs
index e9adb6ac9b7..a7334b22d37 100644
--- a/lightning/src/color_ext/database.rs
+++ b/lightning/src/color_ext/database.rs
@@ -83,7 +83,7 @@ impl PaymentHashKey {
 }
 
 #[derive(Clone, Debug, Default)]
-struct RgbPaymentCache {
+pub(crate) struct RgbPaymentCache {
 	by_proxy_id: HashMap<ProxyIdKey, RgbPaymentInfo>,
 	by_payment_hash_key: HashMap<PaymentHashKey, RgbPaymentInfo>,
 	by_payment_hash: HashMap<PaymentHash, RgbPaymentInfo>,
@@ -151,7 +151,7 @@ impl RgbPaymentCache {
 }
 
 #[derive(Clone, Debug, Default)]
-struct TransferInfoCache {
+pub(crate) struct TransferInfoCache {
 	by_txid: HashMap<Txid, TransferInfo>,
 }
 
@@ -192,7 +192,7 @@ impl RgbInfoKey {
 }
 
 #[derive(Clone, Debug, Default)]
-struct RgbInfoCache {
+pub(crate) struct RgbInfoCache {
 	by_rgb_info_key: HashMap<RgbInfoKey, RgbInfo>,
 }
 
@@ -232,7 +232,7 @@ impl Write for ConsignmentBinaryData {
 pub struct ConsignmentHandle(usize);
 
 #[derive(Clone, Debug, Default)]
-struct ConsignmentCache {
+pub(crate) struct ConsignmentCache {
     by_channel_id: HashMap<ChannelId, ConsignmentHandle>,
     by_funding_txid: HashMap<Txid, ConsignmentHandle>,
     data_store: HashMap<ConsignmentHandle, ConsignmentBinaryData>,
diff --git a/lightning/src/color_ext/mod.rs b/lightning/src/color_ext/mod.rs
index cfa7bbd450e..0c9a2968653 100644
--- a/lightning/src/color_ext/mod.rs
+++ b/lightning/src/color_ext/mod.rs
@@ -39,6 +39,7 @@ use std::sync::{Arc, Mutex};
 
 use crate::rgb_utils::{RgbInfo, RgbPaymentInfo, TransferInfo};
 
+#[allow(missing_docs)]
 pub mod database;
 
 /// Static blinding costant (will be removed in the future)
@@ -252,7 +253,6 @@ impl ColorSourceImpl {
 				);
 			}
 
-			// 获取或插入 RgbPaymentInfo
 			let rgb_payment_info = self
 				.database
 				.rgb_payment()
@@ -639,7 +639,7 @@ impl ColorSourceImpl {
 	}
 
 	/// Update pending RGB channel amount
-	pub(crate) fn update_rgb_channel_amount_pending(
+	pub fn update_rgb_channel_amount_pending(
 		&self, channel_id: &ChannelId, rgb_offered_htlc: u64, rgb_received_htlc: u64,
 	) {
 		self.update_rgb_channel_amount_impl(&channel_id, rgb_offered_htlc, rgb_received_htlc, true)
@@ -701,7 +701,7 @@ impl ColorSourceImpl {
 	pub fn update_rgb_channel_amount(&self, payment_hash: &PaymentHash, receiver: bool) {
 		let payment = self.database.rgb_payment().lock().unwrap().get_by_payment_hash_key(
 			&PaymentHashKey::new(payment_hash.clone(), PaymentDirection::from(receiver)),
-		);
+		).cloned();
 		if payment.is_none() {
 			return;
 		}
@@ -720,4 +720,8 @@ impl ColorSourceImpl {
 			if receiver { (0, rgb_payment_info.amount) } else { (rgb_payment_info.amount, 0) };
 		self.update_rgb_channel_amount_impl(&channel_id, offered, received, false);
 	}
+
+	pub fn get_transfer_info(&self, txid: &Txid) -> Option<TransferInfo> {
+		self.database.transfer_info().lock().unwrap().get_by_txid(txid).cloned()
+	}
 }
diff --git a/lightning/src/lib.rs b/lightning/src/lib.rs
index da1bc7a3a88..be35b038c56 100644
--- a/lightning/src/lib.rs
+++ b/lightning/src/lib.rs
@@ -192,4 +192,5 @@ mod sync;
 
 pub mod rgb_utils;
 /// RGB specific extensions to the lightning library
+#[allow(missing_docs)]
 pub mod color_ext;
diff --git a/lightning/src/rgb_utils/mod.rs b/lightning/src/rgb_utils/mod.rs
index 03f56ba852a..8c1aa1c78a6 100644
--- a/lightning/src/rgb_utils/mod.rs
+++ b/lightning/src/rgb_utils/mod.rs
@@ -33,7 +33,6 @@ use std::collections::HashMap;
 use std::fs;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
-/*
 /// Static blinding costant (will be removed in the future)
 pub const STATIC_BLINDING: u64 = 777;
 /// Name of the file containing the bitcoin network
@@ -44,9 +43,8 @@ pub const INDEXER_URL_FNAME: &str = "indexer_url";
 pub const WALLET_FINGERPRINT_FNAME: &str = "wallet_fingerprint";
 /// Name of the file containing the wallet account xPub
 pub const WALLET_ACCOUNT_XPUB_FNAME: &str = "wallet_account_xpub";
-const INBOUND_EXT: &str = "inbound";
-const OUTBOUND_EXT: &str = "outbound";
- */
+// const INBOUND_EXT: &str = "inbound";
+// const OUTBOUND_EXT: &str = "outbound";
 /// RGB channel info
 #[derive(Debug, Clone, Deserialize, Serialize)]
 pub struct RgbInfo {