From 55ca511ca2d5b98423f87f000d77eb82f66d684b Mon Sep 17 00:00:00 2001
From: Roy Sheinfeld <31890660+kingonly@users.noreply.github.com>
Date: Fri, 9 Feb 2024 21:21:21 +0200
Subject: [PATCH] Update receive_payment.md

---
 src/guide/receive_payment.md | 74 ++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/src/guide/receive_payment.md b/src/guide/receive_payment.md
index 162251e..b479b4d 100644
--- a/src/guide/receive_payment.md
+++ b/src/guide/receive_payment.md
@@ -68,3 +68,77 @@ The Breez SDK automatically connects your node to the LSP peer and you can now r
 ```
 </section>
 </custom-tabs>
+
+# Calculating fees
+
+When the amount to be received exceeds the inbound liquidity of the node, a new channel will be opened by the LSP in order for the node to receive it. This can checked by retrieving the NodeState from the SDK and comparing the inbound liquidity to the amount to be received. If the amount is greater or equal to the inbound liquidity, a new channel opening is required.
+
+To calculate the fees for a channel being opened by the LSP:
+
+<custom-tabs category="lang">
+<div slot="title">Rust</div>
+<section>
+
+```rust,ignore
+{{#include ../../snippets/rust/src/receive_onchain.rs:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">Swift</div>
+<section>
+
+```swift,ignore 
+{{#include ../../snippets/swift/BreezSDKExamples/Sources/ReceiveOnchain.swift:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">Kotlin</div>
+<section>
+
+```kotlin,ignore
+{{#include ../../snippets/kotlin_mpp_lib/shared/src/commonMain/kotlin/com/example/kotlinmpplib/ReceiveOnchain.kt:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">React Native</div>
+<section>
+
+```typescript 
+{{#include ../../snippets/react-native/receive_onchain.ts:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">Dart</div>
+<section>
+
+```dart,ignore
+{{#include ../../snippets/dart_snippets/lib/receive_onchain.dart:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">Python</div>
+<section>
+
+```python,ignore
+{{#include ../../snippets/python/src/receive_onchain.py:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">Go</div>
+<section>
+
+```go,ignore
+{{#include ../../snippets/go/receive_onchain.go:get-channel-opening-fees}}
+```
+</section>
+
+<div slot="title">C#</div>
+<section>
+
+```cs,ignore 
+{{#include ../../snippets/csharp/ReceiveOnchain.cs:get-channel-opening-fees}}
+```
+</section>
+</custom-tabs>
+
+[^1]: For more details on these fees, see [Channel Opening Fees](connecting_lsp.md#channel-opening-fees)