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fix(tx_pool): guard master node lookup before key_image_unlock dereference #193

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fix(tx_pool): guard master node lookup before key_image_unlock dereference #193

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2 changes: 2 additions & 0 deletions src/cryptonote_core/master_node_list.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -876,6 +876,8 @@ namespace master_nodes
master_node_info master_node_list::state_t::get_master_node_details(crypto::public_key mnode_key)
{
auto it = master_nodes_infos.find(mnode_key);
if (it == master_nodes_infos.end())
throw std::invalid_argument("get_master_node_details: master node not found");
return *it->second;
}

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2 changes: 2 additions & 0 deletions src/cryptonote_core/tx_pool.cpp
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Expand Up @@ -274,6 +274,8 @@ namespace cryptonote
return false;

uint64_t block_height = m_blockchain.get_current_blockchain_height();
if (!m_blockchain.get_master_node_list().is_master_node(mnode_key))
return false;
const master_nodes::master_node_info &node_info = m_blockchain.get_master_node_list().get_master_node_details(mnode_key);

for (const auto &contributor : node_info.contributors)
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