fix: new fee type (mempoolMinimum)

lib/android/src/main/java/com/reactnativeldk/LdkModule.kt

@@ -512,8 +512,8 @@ class LdkModule(reactContext: ReactApplicationContext) : ReactContextBaseJavaMod
     //MARK: Update methods
 
     @ReactMethod
-    fun updateFees(high: Double, normal: Double, low: Double, promise: Promise) {
-        feeEstimator.update(high.toInt(), normal.toInt(), low.toInt())
+    fun updateFees(high: Double, normal: Double, low: Double, mempoolMinimum: Double, promise: Promise) {
+        feeEstimator.update(high.toInt(), normal.toInt(), low.toInt(), mempoolMinimum.toInt())
         handleResolve(promise, LdkCallbackResponses.fees_updated)
     }
 

lib/android/src/main/java/com/reactnativeldk/classes/LdkFeeEstimator.kt

@@ -8,6 +8,7 @@ class LdkFeeEstimator {
     var high: Int = 0
     var normal: Int = 0
     var low: Int = 0
+    var mempoolMinimum: Int = 0
     var feeEstimator = FeeEstimator.new_impl { target: ConfirmationTarget ->
         if (target.equals(ConfirmationTarget.LDKConfirmationTarget_HighPriority)) {
             return@new_impl high
@@ -21,13 +22,20 @@ class LdkFeeEstimator {
             return@new_impl low
         }
 
+        if (target.equals(ConfirmationTarget.LDKConfirmationTarget_MempoolMinimum)) {
+            return@new_impl mempoolMinimum
+        }
+
+        LdkEventEmitter.send(EventTypes.native_log, "WARNING: New ConfirmationTarget added. Update LdkFeeEstimator.")
+
         return@new_impl normal
     }
 
-    fun update(high: Int, normal: Int, low: Int) {
+    fun update(high: Int, normal: Int, low: Int, mempoolMinimum: Int) {
         this.high = high
         this.normal = normal
         this.low = low
+        this.mempoolMinimum = mempoolMinimum
 
         LdkEventEmitter.send(EventTypes.native_log, "Fee estimator updated")
     }

lib/ios/Classes/LdkFeeEstimator.swift

@@ -12,12 +12,14 @@ class LdkFeeEstimator: FeeEstimator {
     private var high: UInt32 = 0
     private var normal: UInt32 = 0
     private var low: UInt32 = 0
+    private var mempoolMinimum: UInt32 = 0
 
-    func update(high: UInt32, normal: UInt32, low: UInt32) {
+    func update(high: UInt32, normal: UInt32, low: UInt32, mempoolMinimum: UInt32) {
         self.high = high
         self.normal = normal
         self.low = low
-
+        self.mempoolMinimum = mempoolMinimum
+
         LdkEventEmitter.shared.send(withEvent: .native_log, body: "Fee estimator updated")
     }
 
@@ -35,7 +37,13 @@ class LdkFeeEstimator: FeeEstimator {
         if case ConfirmationTarget.Background = target {
             return low
         }
-
+
+        if case ConfirmationTarget.MempoolMinimum = target {
+            return mempoolMinimum
+        }
+
+        LdkEventEmitter.shared.send(withEvent: .native_log, body: "WARNING: New ConfirmationTarget added. Update LdkFeeEstimator.")
+
         return normal
     }
 }

lib/ios/Ldk.m

@@ -39,6 +39,7 @@ @interface RCT_EXTERN_MODULE(Ldk, NSObject)
 RCT_EXTERN_METHOD(updateFees:(NSInteger *)high
                   normal:(NSInteger *)normal
                   low:(NSInteger *)low
+                  mempoolMinimum:(NSInteger *)mempoolMinimum
                   resolve:(RCTPromiseResolveBlock)resolve
                   reject:(RCTPromiseRejectBlock)reject)
 RCT_EXTERN_METHOD(setLogLevel:(NSString *)level

lib/ios/Ldk.swift

@@ -526,8 +526,8 @@ class Ldk: NSObject {
     //MARK: Update methods
 
     @objc
-    func updateFees(_ high: NSInteger, normal: NSInteger, low: NSInteger, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
-        feeEstimator.update(high: UInt32(high), normal: UInt32(normal), low: UInt32(low))
+    func updateFees(_ high: NSInteger, normal: NSInteger, low: NSInteger, mempoolMinimum: NSInteger, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
+        feeEstimator.update(high: UInt32(high), normal: UInt32(normal), low: UInt32(low), mempoolMinimum: UInt32(mempoolMinimum))
         return handleResolve(resolve, .fees_updated)
     }
 

lib/src/ldk.ts

@@ -304,13 +304,14 @@ class LDK {
 	 * @returns {Promise<Err<unknown> | Ok<Ok<string> | Err<string>>>}
 	 */
 	async updateFees(fees: TFeeUpdateReq): Promise<Result<string>> {
-		const { highPriority, normal, background } = fees;
+		const { highPriority, normal, background, mempoolMinimum } = fees;
 		try {
 			const satsPerKw = 250;
 			const res = await NativeLDK.updateFees(
 				highPriority * satsPerKw,
 				normal * satsPerKw,
 				background * satsPerKw,
+				mempoolMinimum * satsPerKw,
 			);
 			this.writeDebugToLog('updateFees', fees);
 			return ok(res);

lib/src/lightning-manager.ts

@@ -127,6 +127,7 @@
 		highPriority: 15,
 		normal: 10,
 		background: 5,
+		mempoolMinimum: 1,
 	});
 	trustedZeroConfPeers: string[] = [];
 	broadcastTransaction: TBroadcastTransaction = async (): Promise<any> => {};
@@ -1703,7 +1704,7 @@
 	}
 
 	private onChannelManagerPendingHtlcsForwardable(
 		res: TChannelManagerPendingHtlcsForwardable,
 	): void {
 		ldk.processPendingHtlcForwards().catch(console.error);
 	}

lib/src/utils/types.ts

@@ -235,6 +235,7 @@ export type TFeeUpdateReq = {
 	highPriority: number;
 	normal: number;
 	background: number;
+	mempoolMinimum: number;
 };
 
 export type TPeer = {