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from v20, limit tx extra size

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wowario 2023-02-24 09:58:44 +03:00
parent dcafb09415
commit c80566ca00
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2 changed files with 13 additions and 0 deletions
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1
src/cryptonote_config.h
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@ -198,6 +198,7 @@
#define HF_VERSION_BLOCK_HEADER_MINER_SIG 18 #define HF_VERSION_BLOCK_HEADER_MINER_SIG 18
#define HF_VERSION_VIEW_TAGS 20 #define HF_VERSION_VIEW_TAGS 20
#define HF_VERSION_2021_SCALING 20 #define HF_VERSION_2021_SCALING 20
#define HF_VERSION_CAP_TX_EXTRA_SIZE 20
#define PER_KB_FEE_QUANTIZATION_DECIMALS 8 #define PER_KB_FEE_QUANTIZATION_DECIMALS 8
#define CRYPTONOTE_SCALING_2021_FEE_ROUNDING_PLACES 2 #define CRYPTONOTE_SCALING_2021_FEE_ROUNDING_PLACES 2

12
src/cryptonote_core/blockchain.cpp
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@ -1449,6 +1449,11 @@ bool Blockchain::prevalidate_miner_transaction(const block& b, uint64_t height,
} }
} }
if (hf_version >= HF_VERSION_CAP_TX_EXTRA_SIZE && b.miner_tx.extra.size() > MAX_TX_EXTRA_SIZE)
{
MWARNING("coinbase transaction tx-extra is too big: " << b.miner_tx.extra.size() << " bytes, the limit is: " << MAX_TX_EXTRA_SIZE);
return false;
}
LOG_PRINT_L3("Blockchain::" << __func__); LOG_PRINT_L3("Blockchain::" << __func__);
CHECK_AND_ASSERT_MES(b.miner_tx.vin.size() == 1, false, "coinbase transaction in the block has no inputs"); CHECK_AND_ASSERT_MES(b.miner_tx.vin.size() == 1, false, "coinbase transaction in the block has no inputs");
CHECK_AND_ASSERT_MES(b.miner_tx.vin[0].type() == typeid(txin_gen), false, "coinbase transaction in the block has the wrong type"); CHECK_AND_ASSERT_MES(b.miner_tx.vin[0].type() == typeid(txin_gen), false, "coinbase transaction in the block has the wrong type");
@ -3298,6 +3303,13 @@ bool Blockchain::check_tx_outputs(const transaction& tx, tx_verification_context
return false; return false;
} }
// from v20, limit tx extra size
if (hf_version >= HF_VERSION_CAP_TX_EXTRA_SIZE && tx.extra.size() > MAX_TX_EXTRA_SIZE)
{
MERROR_VER("transaction tx-extra is too big: " << tx.extra.size() << " bytes, the limit is: " << MAX_TX_EXTRA_SIZE);
tvc.m_tx_extra_too_big = true;
return false;
}
return true; return true;
} }
//------------------------------------------------------------------ //------------------------------------------------------------------