electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
Log | Files | Refs | Submodules

commit de80f68e4d76ac2ae16f63089535bb00334c64f5
parent 70b03cb92007743ffbe02399284075aa43a77b08
Author: SomberNight <somber.night@protonmail.com>
Date:   Tue,  3 Nov 2020 20:45:31 +0100

interface: validate protocol-version negotiation on client-side too

related: https://github.com/romanz/electrs/issues/314

Diffstat:
Melectrum/interface.py | 3+++
1 file changed, 3 insertions(+), 0 deletions(-)

diff --git a/electrum/interface.py b/electrum/interface.py @@ -631,6 +631,9 @@ class Interface(Logger): raise GracefulDisconnect(e) # probably 'unsupported protocol version' if exit_early: return + if ver[1] != version.PROTOCOL_VERSION: + raise GracefulDisconnect(f'server violated protocol-version-negotiation. ' + f'we asked for {version.PROTOCOL_VERSION!r}, they sent {ver[1]!r}') if not self.network.check_interface_against_healthy_spread_of_connected_servers(self): raise GracefulDisconnect(f'too many connected servers already ' f'in bucket {self.bucket_based_on_ipaddress()}')