tlnpeer: failed htlc error handling ignored length of channel_update - electrum - Electrum Bitcoin wallet
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---
DIR commit 2e38bcf4160c714b7f8a7bdcd26445b6f09371ac
DIR parent d2d4d19fcbf75ad5d64e9ef78c34d0bfc3b2164f
HTML Author: SomberNight <somber.night@protonmail.com>
Date: Wed, 14 Aug 2019 21:43:37 +0200
lnpeer: failed htlc error handling ignored length of channel_update
Diffstat:
M electrum/lnpeer.py | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
---
DIR diff --git a/electrum/lnpeer.py b/electrum/lnpeer.py
t@@ -1059,16 +1059,17 @@ class Peer(Logger):
self.logger.info(f"error reported by {bh2u(route[sender_idx].node_id)}")
# handle some specific error codes
failure_codes = {
- OnionFailureCode.TEMPORARY_CHANNEL_FAILURE: 2,
- OnionFailureCode.AMOUNT_BELOW_MINIMUM: 10,
- OnionFailureCode.FEE_INSUFFICIENT: 10,
- OnionFailureCode.INCORRECT_CLTV_EXPIRY: 6,
- OnionFailureCode.EXPIRY_TOO_SOON: 2,
- OnionFailureCode.CHANNEL_DISABLED: 4,
+ OnionFailureCode.TEMPORARY_CHANNEL_FAILURE: 0,
+ OnionFailureCode.AMOUNT_BELOW_MINIMUM: 8,
+ OnionFailureCode.FEE_INSUFFICIENT: 8,
+ OnionFailureCode.INCORRECT_CLTV_EXPIRY: 4,
+ OnionFailureCode.EXPIRY_TOO_SOON: 0,
+ OnionFailureCode.CHANNEL_DISABLED: 2,
}
if code in failure_codes:
offset = failure_codes[code]
- channel_update = (258).to_bytes(length=2, byteorder="big") + data[offset:]
+ channel_update_len = int.from_bytes(data[offset:offset+2], byteorder="big")
+ channel_update = (258).to_bytes(length=2, byteorder="big") + data[offset+2: offset+2+channel_update_len]
message_type, payload = decode_msg(channel_update)
payload['raw'] = channel_update
orphaned, expired, deprecated, good, to_delete = self.channel_db.add_channel_updates([payload])