diff options
| -rw-r--r-- | src/index/coinstatsindex.cpp | 6 | ||||
| -rw-r--r-- | src/validation.cpp | 15 | ||||
| -rw-r--r-- | src/validation.h | 6 |
3 files changed, 20 insertions, 7 deletions
diff --git a/src/index/coinstatsindex.cpp b/src/index/coinstatsindex.cpp index d3559b1b75..271e5bb1f6 100644 --- a/src/index/coinstatsindex.cpp +++ b/src/index/coinstatsindex.cpp @@ -144,17 +144,13 @@ bool CoinStatsIndex::CustomAppend(const interfaces::BlockInfo& block) } } - // TODO: Deduplicate BIP30 related code - bool is_bip30_block{(block.height == 91722 && block.hash == uint256S("0x00000000000271a2dc26e7667f8419f2e15416dc6955e5a6c6cdf3f2574dd08e")) || - (block.height == 91812 && block.hash == uint256S("0x00000000000af0aed4792b1acee3d966af36cf5def14935db8de83d6f9306f2f"))}; - // Add the new utxos created from the block assert(block.data); for (size_t i = 0; i < block.data->vtx.size(); ++i) { const auto& tx{block.data->vtx.at(i)}; // Skip duplicate txid coinbase transactions (BIP30). - if (is_bip30_block && tx->IsCoinBase()) { + if (IsBIP30Unspendable(*pindex) && tx->IsCoinBase()) { m_total_unspendable_amount += block_subsidy; m_total_unspendables_bip30 += block_subsidy; continue; diff --git a/src/validation.cpp b/src/validation.cpp index 37e68cfe4a..e6fa63b564 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -2083,8 +2083,7 @@ bool Chainstate::ConnectBlock(const CBlock& block, BlockValidationState& state, // Now that the whole chain is irreversibly beyond that time it is applied to all blocks except the // two in the chain that violate it. This prevents exploiting the issue against nodes during their // initial block download. - bool fEnforceBIP30 = !((pindex->nHeight==91842 && pindex->GetBlockHash() == uint256S("0x00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec")) || - (pindex->nHeight==91880 && pindex->GetBlockHash() == uint256S("0x00000000000743f190a18c5577a3c2d2a1f610ae9601ac046a38084ccb7cd721"))); + bool fEnforceBIP30 = !IsBIP30Repeat(*pindex); // Once BIP34 activated it was not possible to create new duplicate coinbases and thus other than starting // with the 2 existing duplicate coinbase pairs, not possible to create overwriting txs. But by the @@ -5290,3 +5289,15 @@ Chainstate& ChainstateManager::ActivateExistingSnapshot(CTxMemPool* mempool, uin m_active_chainstate = m_snapshot_chainstate.get(); return *m_snapshot_chainstate; } + +bool IsBIP30Repeat(const CBlockIndex& block_index) +{ + return (block_index.nHeight==91842 && block_index.GetBlockHash() == uint256S("0x00000000000a4d0a398161ffc163c503763b1f4360639393e0e4c8e300e0caec")) || + (block_index.nHeight==91880 && block_index.GetBlockHash() == uint256S("0x00000000000743f190a18c5577a3c2d2a1f610ae9601ac046a38084ccb7cd721")); +} + +bool IsBIP30Unspendable(const CBlockIndex& block_index) +{ + return (block_index.nHeight==91722 && block_index.GetBlockHash() == uint256S("0x00000000000271a2dc26e7667f8419f2e15416dc6955e5a6c6cdf3f2574dd08e")) || + (block_index.nHeight==91812 && block_index.GetBlockHash() == uint256S("0x00000000000af0aed4792b1acee3d966af36cf5def14935db8de83d6f9306f2f")); +} diff --git a/src/validation.h b/src/validation.h index fb6d59f92e..a8ef7a8b3a 100644 --- a/src/validation.h +++ b/src/validation.h @@ -1082,4 +1082,10 @@ bool DeploymentEnabled(const ChainstateManager& chainman, DEP dep) */ const AssumeutxoData* ExpectedAssumeutxo(const int height, const CChainParams& params); +/** Identifies blocks that overwrote an existing coinbase output in the UTXO set (see BIP30) */ +bool IsBIP30Repeat(const CBlockIndex& block_index); + +/** Identifies blocks which coinbase output was subsequently overwritten in the UTXO set (see BIP30) */ +bool IsBIP30Unspendable(const CBlockIndex& block_index); + #endif // BITCOIN_VALIDATION_H |