From 785fe6aeeacef8b88cb2b8adb19df6d1612b9a1a Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Thu, 4 Mar 2021 12:14:47 +0100
Subject: [PATCH] lnutil: (trivial) add ShortChannelID.from_str() method

for console use atm
---
 electrum/lnutil.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/electrum/lnutil.py b/electrum/lnutil.py
index 271e9c7c3..17a89698c 100644
--- a/electrum/lnutil.py
+++ b/electrum/lnutil.py
@@ -1265,6 +1265,18 @@ class ShortChannelID(bytes):
         oi = output_index.to_bytes(2, byteorder='big')
         return ShortChannelID(bh + tpos + oi)
 
+    @classmethod
+    def from_str(cls, scid: str) -> 'ShortChannelID':
+        """Parses a formatted scid str, e.g. '643920x356x0'."""
+        components = scid.split("x")
+        if len(components) != 3:
+            raise ValueError(f"failed to parse ShortChannelID: {scid!r}")
+        try:
+            components = [int(x) for x in components]
+        except ValueError:
+            raise ValueError(f"failed to parse ShortChannelID: {scid!r}") from None
+        return ShortChannelID.from_components(*components)
+
     @classmethod
     def normalize(cls, data: Union[None, str, bytes, 'ShortChannelID']) -> Optional['ShortChannelID']:
         if isinstance(data, ShortChannelID) or data is None: