lnrouter: fix off-by-one in NUM_MAX_EDGES_IN_PAYMENT_PATH

6 years ago · d4da4aa56c
2 changed files with 2 additions and 2 deletions
--- a/electrum/lnrouter.py
+++ b/electrum/lnrouter.py
@ -175,7 +175,7 @@ class LNPathFinder(Logger):
        if my_channels is None: my_channels = []
        my_channels = {chan.short_channel_id: chan for chan in my_channels}

-        # FIXME paths cannot be longer than 21 edges (onion packet)...
+        # FIXME paths cannot be longer than 20 edges (onion packet)...

        # run Dijkstra
        # The search is run in the REVERSE direction, from nodeB to nodeA,
--- a/electrum/lnutil.py
+++ b/electrum/lnutil.py
@ -692,7 +692,7 @@ def generate_keypair(ln_keystore: BIP32_KeyStore, key_family: LnKeyFamily, index


 NUM_MAX_HOPS_IN_PAYMENT_PATH = 20
-NUM_MAX_EDGES_IN_PAYMENT_PATH = NUM_MAX_HOPS_IN_PAYMENT_PATH + 1
+NUM_MAX_EDGES_IN_PAYMENT_PATH = NUM_MAX_HOPS_IN_PAYMENT_PATH


 class ShortChannelID(bytes):