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-rw-r--r--src/net_processing.cpp21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 80e58a6dba..eae3e9a2f3 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -1019,7 +1019,7 @@ unsigned int LimitOrphanTxSize(unsigned int nMaxOrphans)
}
/**
- * Mark a misbehaving peer to be banned depending upon the value of `-banscore`.
+ * Increment peer's misbehavior score. If the new value surpasses banscore (specified on startup or by default), mark node to be discouraged, meaning the peer might be disconnected & added to the discouragement filter.
*/
void Misbehaving(NodeId pnode, int howmuch, const std::string& message) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
{
@@ -1035,14 +1035,14 @@ void Misbehaving(NodeId pnode, int howmuch, const std::string& message) EXCLUSIV
std::string message_prefixed = message.empty() ? "" : (": " + message);
if (state->nMisbehavior >= banscore && state->nMisbehavior - howmuch < banscore)
{
- LogPrint(BCLog::NET, "%s: %s peer=%d (%d -> %d) BAN THRESHOLD EXCEEDED%s\n", __func__, state->name, pnode, state->nMisbehavior-howmuch, state->nMisbehavior, message_prefixed);
+ LogPrint(BCLog::NET, "%s: %s peer=%d (%d -> %d) DISCOURAGE THRESHOLD EXCEEDED%s\n", __func__, state->name, pnode, state->nMisbehavior-howmuch, state->nMisbehavior, message_prefixed);
state->fShouldBan = true;
} else
LogPrint(BCLog::NET, "%s: %s peer=%d (%d -> %d)%s\n", __func__, state->name, pnode, state->nMisbehavior-howmuch, state->nMisbehavior, message_prefixed);
}
/**
- * Potentially ban a node based on the contents of a BlockValidationState object
+ * Potentially mark a node discouraged based on the contents of a BlockValidationState object
*
* @param[in] via_compact_block this bool is passed in because net_processing should
* punish peers differently depending on whether the data was provided in a compact
@@ -1072,7 +1072,7 @@ static bool MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& s
break;
}
- // Ban outbound (but not inbound) peers if on an invalid chain.
+ // Discourage outbound (but not inbound) peers if on an invalid chain.
// Exempt HB compact block peers and manual connections.
if (!via_compact_block && !node_state->m_is_inbound && !node_state->m_is_manual_connection) {
Misbehaving(nodeid, 100, message);
@@ -1107,7 +1107,7 @@ static bool MaybePunishNodeForBlock(NodeId nodeid, const BlockValidationState& s
}
/**
- * Potentially ban a node based on the contents of a TxValidationState object
+ * Potentially disconnect and discourage a node based on the contents of a TxValidationState object
*
* @return Returns true if the peer was punished (probably disconnected)
*/
@@ -1339,7 +1339,7 @@ void PeerLogicValidation::UpdatedBlockTip(const CBlockIndex *pindexNew, const CB
}
/**
- * Handle invalid block rejection and consequent peer banning, maintain which
+ * Handle invalid block rejection and consequent peer discouragement, maintain which
* peers announce compact blocks.
*/
void PeerLogicValidation::BlockChecked(const CBlock& block, const BlockValidationState& state) {
@@ -3118,7 +3118,7 @@ void ProcessMessage(
// relayed before full validation (see BIP 152), so we don't want to disconnect
// the peer if the header turns out to be for an invalid block.
// Note that if a peer tries to build on an invalid chain, that
- // will be detected and the peer will be banned.
+ // will be detected and the peer will be disconnected/discouraged.
return ProcessHeadersMessage(pfrom, connman, chainman, mempool, {cmpctblock.header}, chainparams, /*via_compact_block=*/true);
}
@@ -3204,7 +3204,7 @@ void ProcessMessage(
// 3. the block is otherwise invalid (eg invalid coinbase,
// block is too big, too many legacy sigops, etc).
// So if CheckBlock failed, #3 is the only possibility.
- // Under BIP 152, we don't DoS-ban unless proof of work is
+ // Under BIP 152, we don't discourage the peer unless proof of work is
// invalid (we don't require all the stateless checks to have
// been run). This is handled below, so just treat this as
// though the block was successfully read, and rely on the
@@ -3576,11 +3576,12 @@ bool PeerLogicValidation::CheckIfBanned(CNode& pnode)
else if (pnode.m_manual_connection)
LogPrintf("Warning: not punishing manually-connected peer %s!\n", pnode.addr.ToString());
else if (pnode.addr.IsLocal()) {
- // Disconnect but don't ban _this_ local node
- LogPrintf("Warning: disconnecting but not banning local peer %s!\n", pnode.addr.ToString());
+ // Disconnect but don't discourage this local node
+ LogPrintf("Warning: disconnecting but not discouraging local peer %s!\n", pnode.addr.ToString());
pnode.fDisconnect = true;
} else {
// Disconnect and ban all nodes sharing the address
+ LogPrintf("Disconnecting and discouraging peer %s!\n", pnode.addr.ToString());
if (m_banman) {
m_banman->Ban(pnode.addr, BanReasonNodeMisbehaving);
}