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ban peers sending bad pow outright

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PoW is expensive to verify, so be strict
This commit is contained in:
moneromooo-monero
2019-09-24 13:08:25 +00:00
parent faf5805fc0
commit 3455efafa8
9 changed files with 25 additions and 15 deletions
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4
src/rpc/core_rpc_server.cpp
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@@ -217,13 +217,13 @@ namespace cryptonote
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::add_host_fail(const connection_context *ctx)
bool core_rpc_server::add_host_fail(const connection_context *ctx, unsigned int score)
{
if(!ctx || !ctx->m_remote_address.is_blockable())
return false;
CRITICAL_REGION_LOCAL(m_host_fails_score_lock);
uint64_t fails = ++m_host_fails_score[ctx->m_remote_address.host_str()];
uint64_t fails = m_host_fails_score[ctx->m_remote_address.host_str()] += score;
MDEBUG("Host " << ctx->m_remote_address.host_str() << " fail score=" << fails);
if(fails > RPC_IP_FAILS_BEFORE_BLOCK)
{