diff --git a/doc/release-notes.md b/doc/release-notes.md
index 2a2e0f9472c..23983dcd7be 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -98,7 +98,7 @@ will trigger BIP 125 (replace-by-fee) opt-in. (#11413)
- The `bumpfee` command now uses `conf_target` rather than `confTarget` in the
options. (#11413)
-- `getpeerinfo` no longer returns the `banscore` field unless the configuration
+- The `getpeerinfo` RPC no longer returns the `banscore` field unless the configuration
option `-deprecatedrpc=banscore` is used. The `banscore` field will be fully
removed in the next major release. (#19469)
@@ -123,8 +123,9 @@ Updated settings
- The `-banscore` configuration option, which modified the default threshold for
disconnecting and discouraging misbehaving peers, has been removed as part of
- changes in this release to the handling of misbehaving peers. Refer to the
- section, "Changes regarding misbehaving peers", for details. (#19464)
+ changes in 0.20.1 and in this release to the handling of misbehaving peers.
+ Refer to "Changes regarding misbehaving peers" in the 0.20.1 release notes for
+ details. (#19464)
- The `-debug=db` logging category, which was deprecated in 0.20 and replaced by
`-debug=walletdb` to distinguish it from `coindb`, has been removed. (#19202)
@@ -303,6 +304,11 @@ issue.
GUI changes
-----------
+- The GUI Peers window no longer displays a "Ban Score" field. This is part of
+ changes in 0.20.1 and in this release to the handling of misbehaving
+ peers. Refer to "Changes regarding misbehaving peers" in the 0.20.1 release
+ notes for details. (#19512)
+
Low-level changes
=================
diff --git a/src/qt/forms/debugwindow.ui b/src/qt/forms/debugwindow.ui
index 1217ca3e2e4..4747dd6d26f 100644
--- a/src/qt/forms/debugwindow.ui
+++ b/src/qt/forms/debugwindow.ui
@@ -1264,36 +1264,13 @@
-
-
-
- Ban Score
-
-
-
- -
-
-
- IBeamCursor
-
-
- N/A
-
-
- Qt::PlainText
-
-
- Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse
-
-
-
- -
Connection Time
- -
+
-
IBeamCursor
@@ -1309,14 +1286,14 @@
- -
+
-
Last Send
- -
+
-
IBeamCursor
@@ -1332,14 +1309,14 @@
- -
+
-
Last Receive
- -
+
-
IBeamCursor
@@ -1355,14 +1332,14 @@
- -
+
-
Sent
- -
+
-
IBeamCursor
@@ -1378,14 +1355,14 @@
- -
+
-
Received
- -
+
-
IBeamCursor
@@ -1401,14 +1378,14 @@
- -
+
-
Ping Time
- -
+
-
IBeamCursor
@@ -1424,7 +1401,7 @@
- -
+
-
The duration of a currently outstanding ping.
@@ -1434,7 +1411,7 @@
- -
+
-
IBeamCursor
@@ -1450,14 +1427,14 @@
- -
+
-
Min Ping
- -
+
-
IBeamCursor
@@ -1473,14 +1450,14 @@
- -
+
-
Time Offset
- -
+
-
IBeamCursor
@@ -1496,7 +1473,7 @@
- -
+
-
The mapped Autonomous System used for diversifying peer selection.
@@ -1506,7 +1483,7 @@
- -
+
-
IBeamCursor
@@ -1522,7 +1499,7 @@
- -
+
-
Qt::Vertical
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 71094f7112c..694e1c2eaed 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -1126,9 +1126,6 @@ void RPCConsole::updateNodeDetail(const CNodeCombinedStats *stats)
// This check fails for example if the lock was busy and
// nodeStateStats couldn't be fetched.
if (stats->fNodeStateStatsAvailable) {
- // Ban score is init to 0
- ui->peerBanScore->setText(QString("%1").arg(stats->nodeStateStats.nMisbehavior));
-
// Sync height is init to -1
if (stats->nodeStateStats.nSyncHeight > -1)
ui->peerSyncHeight->setText(QString("%1").arg(stats->nodeStateStats.nSyncHeight));
diff --git a/src/test/denialofservice_tests.cpp b/src/test/denialofservice_tests.cpp
index 3d84fa855f5..d49b51926cf 100644
--- a/src/test/denialofservice_tests.cpp
+++ b/src/test/denialofservice_tests.cpp
@@ -217,7 +217,7 @@ BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
connman->ClearNodes();
}
-BOOST_AUTO_TEST_CASE(DoS_banning)
+BOOST_AUTO_TEST_CASE(peer_discouragement)
{
auto banman = MakeUnique(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
auto connman = MakeUnique(0x1337, 0x1337);
@@ -249,7 +249,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
dummyNode2.fSuccessfullyConnected = true;
{
LOCK(cs_main);
- Misbehaving(dummyNode2.GetId(), 50);
+ Misbehaving(dummyNode2.GetId(), DISCOURAGEMENT_THRESHOLD - 1);
}
{
LOCK2(cs_main, dummyNode2.cs_sendProcessing);
@@ -259,64 +259,20 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
BOOST_CHECK(banman->IsDiscouraged(addr1)); // ... but 1 still should be
{
LOCK(cs_main);
- Misbehaving(dummyNode2.GetId(), 50);
+ Misbehaving(dummyNode2.GetId(), 1); // 2 reaches discouragement threshold
}
{
LOCK2(cs_main, dummyNode2.cs_sendProcessing);
BOOST_CHECK(peerLogic->SendMessages(&dummyNode2));
}
- BOOST_CHECK(banman->IsDiscouraged(addr2));
+ BOOST_CHECK(banman->IsDiscouraged(addr1)); // Expect both 1 and 2
+ BOOST_CHECK(banman->IsDiscouraged(addr2)); // to be discouraged now
bool dummy;
peerLogic->FinalizeNode(dummyNode1.GetId(), dummy);
peerLogic->FinalizeNode(dummyNode2.GetId(), dummy);
}
-BOOST_AUTO_TEST_CASE(DoS_banscore)
-{
- auto banman = MakeUnique(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
- auto connman = MakeUnique(0x1337, 0x1337);
- auto peerLogic = MakeUnique(connman.get(), banman.get(), *m_node.scheduler, *m_node.chainman, *m_node.mempool);
-
- banman->ClearBanned();
- CAddress addr1(ip(0xa0b0c001), NODE_NONE);
- CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, CAddress(), "", true);
- dummyNode1.SetSendVersion(PROTOCOL_VERSION);
- peerLogic->InitializeNode(&dummyNode1);
- dummyNode1.nVersion = 1;
- dummyNode1.fSuccessfullyConnected = true;
- {
- LOCK(cs_main);
- Misbehaving(dummyNode1.GetId(), DISCOURAGEMENT_THRESHOLD - 11);
- }
- {
- LOCK2(cs_main, dummyNode1.cs_sendProcessing);
- BOOST_CHECK(peerLogic->SendMessages(&dummyNode1));
- }
- BOOST_CHECK(!banman->IsDiscouraged(addr1));
- {
- LOCK(cs_main);
- Misbehaving(dummyNode1.GetId(), 10);
- }
- {
- LOCK2(cs_main, dummyNode1.cs_sendProcessing);
- BOOST_CHECK(peerLogic->SendMessages(&dummyNode1));
- }
- BOOST_CHECK(!banman->IsDiscouraged(addr1));
- {
- LOCK(cs_main);
- Misbehaving(dummyNode1.GetId(), 1);
- }
- {
- LOCK2(cs_main, dummyNode1.cs_sendProcessing);
- BOOST_CHECK(peerLogic->SendMessages(&dummyNode1));
- }
- BOOST_CHECK(banman->IsDiscouraged(addr1));
-
- bool dummy;
- peerLogic->FinalizeNode(dummyNode1.GetId(), dummy);
-}
-
BOOST_AUTO_TEST_CASE(DoS_bantime)
{
auto banman = MakeUnique(GetDataDir() / "banlist.dat", nullptr, DEFAULT_MISBEHAVING_BANTIME);
diff --git a/test/functional/p2p_leak.py b/test/functional/p2p_leak.py
index 6cf252e6263..fe6e236fc41 100755
--- a/test/functional/p2p_leak.py
+++ b/test/functional/p2p_leak.py
@@ -65,9 +65,10 @@ class CLazyNode(P2PInterface):
# Node that never sends a version. We'll use this to send a bunch of messages
# anyway, and eventually get disconnected.
-class CNodeNoVersionBan(CLazyNode):
- # send a bunch of veracks without sending a message. This should get us disconnected.
- # NOTE: implementation-specific check here. Remove if bitcoind ban behavior changes
+class CNodeNoVersionMisbehavior(CLazyNode):
+ # Send enough veracks without a message to reach the peer discouragement
+ # threshold. This should get us disconnected. NOTE: implementation-specific
+ # test; update if our discouragement policy for peer misbehavior changes.
def on_open(self):
super().on_open()
for _ in range(DISCOURAGEMENT_THRESHOLD):
@@ -108,7 +109,8 @@ class P2PLeakTest(BitcoinTestFramework):
self.num_nodes = 1
def run_test(self):
- no_version_bannode = self.nodes[0].add_p2p_connection(CNodeNoVersionBan(), send_version=False, wait_for_verack=False)
+ no_version_disconnect_node = self.nodes[0].add_p2p_connection(
+ CNodeNoVersionMisbehavior(), send_version=False, wait_for_verack=False)
no_version_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVersionIdle(), send_version=False, wait_for_verack=False)
no_verack_idlenode = self.nodes[0].add_p2p_connection(CNodeNoVerackIdle(), wait_for_verack=False)
@@ -116,7 +118,7 @@ class P2PLeakTest(BitcoinTestFramework):
# verack, since we never sent one
no_verack_idlenode.wait_for_verack()
- wait_until(lambda: no_version_bannode.ever_connected, timeout=10, lock=mininode_lock)
+ wait_until(lambda: no_version_disconnect_node.ever_connected, timeout=10, lock=mininode_lock)
wait_until(lambda: no_version_idlenode.ever_connected, timeout=10, lock=mininode_lock)
wait_until(lambda: no_verack_idlenode.version_received, timeout=10, lock=mininode_lock)
@@ -126,13 +128,13 @@ class P2PLeakTest(BitcoinTestFramework):
#Give the node enough time to possibly leak out a message
time.sleep(5)
- #This node should have been banned
- assert not no_version_bannode.is_connected
+ # Expect this node to be disconnected for misbehavior
+ assert not no_version_disconnect_node.is_connected
self.nodes[0].disconnect_p2ps()
# Make sure no unexpected messages came in
- assert no_version_bannode.unexpected_msg == False
+ assert no_version_disconnect_node.unexpected_msg == False
assert no_version_idlenode.unexpected_msg == False
assert no_verack_idlenode.unexpected_msg == False