diff options
Diffstat (limited to 'src/cryptonote_core/blockchain.cpp')
| -rw-r--r-- | src/cryptonote_core/blockchain.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 93a4e26f8..c0d142979 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -2333,6 +2333,26 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context } } + // from v7, sorted outs + if (m_hardfork->get_current_version() >= 7) { + const crypto::public_key *last_key = NULL; + for (size_t n = 0; n < tx.vout.size(); ++n) + { + const tx_out &o = tx.vout[n]; + if (o.target.type() == typeid(txout_to_key)) + { + const txout_to_key& out_to_key = boost::get<txout_to_key>(o.target); + if (last_key && memcmp(&out_to_key.key, last_key, sizeof(*last_key)) >= 0) + { + MERROR_VER("transaction has unsorted outputs"); + tvc.m_invalid_output = true; + return false; + } + last_key = &out_to_key.key; + } + } + } + return true; } //------------------------------------------------------------------ @@ -2501,6 +2521,25 @@ bool Blockchain::check_tx_inputs(transaction& tx, tx_verification_context &tvc, } } + // from v7, sorted ins + if (hf_version >= 7) { + const crypto::key_image *last_key_image = NULL; + for (size_t n = 0; n < tx.vin.size(); ++n) + { + const txin_v &txin = tx.vin[n]; + if (txin.type() == typeid(txin_to_key)) + { + const txin_to_key& in_to_key = boost::get<txin_to_key>(txin); + if (last_key_image && memcmp(&in_to_key.k_image, last_key_image, sizeof(*last_key_image)) >= 0) + { + MERROR_VER("transaction has unsorted inputs"); + tvc.m_verifivation_failed = true; + return false; + } + last_key_image = &in_to_key.k_image; + } + } + } auto it = m_check_txin_table.find(tx_prefix_hash); if(it == m_check_txin_table.end()) { |