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blockchain: reject rct signatures in coinbase txes from v12

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moneromooo-monero 2019-07-14 11:51:32 +00:00
parent 555dc7c394
commit d22dfb7594
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2 changed files with 8 additions and 0 deletions
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1
src/cryptonote_config.h
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@ -152,6 +152,7 @@
#define HF_VERSION_MIN_2_OUTPUTS 12
#define HF_VERSION_MIN_V2_COINBASE_TX 12
#define HF_VERSION_SAME_MIXIN 12
#define HF_VERSION_REJECT_SIGS_IN_COINBASE 12
#define PER_KB_FEE_QUANTIZATION_DECIMALS 8

7
src/cryptonote_core/blockchain.cpp
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@ -1208,6 +1208,13 @@ bool Blockchain::prevalidate_miner_transaction(const block& b, uint64_t height,
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.version > 1 || hf_version < HF_VERSION_MIN_V2_COINBASE_TX, false, "Invalid coinbase transaction version");
// for v2 txes (ringct), we only accept empty rct signatures for miner transactions,
if (hf_version >= HF_VERSION_REJECT_SIGS_IN_COINBASE && b.miner_tx.version >= 2)
{
CHECK_AND_ASSERT_MES(b.miner_tx.rct_signatures.type == rct::RCTTypeNull, false, "RingCT signatures not allowed in coinbase transactions");
}
if(boost::get<txin_gen>(b.miner_tx.vin[0]).height != height)
{
MWARNING("The miner transaction in block has invalid height: " << boost::get<txin_gen>(b.miner_tx.vin[0]).height << ", expected: " << height);