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| author | iamamyth <user@example.com> | 2019-08-18 17:26:58 -0700 |
|---|---|---|
| committer | iamamyth <user@example.com> | 2019-08-18 17:26:58 -0700 |
| commit | 07cb087e5dd932c7afb9a7b2eafb99a003929e1f (patch) | |
| tree | 0544616fe063fe1c7bb78ca099e24a62cbd0c29b | |
| parent | Merge pull request #5779 (diff) | |
| download | monero-07cb087e5dd932c7afb9a7b2eafb99a003929e1f.tar.xz | |
blockchain: Fix alt chain generated coins overflow
Apply the overflow logic used for computing already_generated_coins in
the main chain to alternative chains.
| -rw-r--r-- | src/cryptonote_core/blockchain.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp index 31e2ac136..6f1ca8526 100644 --- a/src/cryptonote_core/blockchain.cpp +++ b/src/cryptonote_core/blockchain.cpp @@ -1739,7 +1739,8 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id const uint64_t prev_height = alt_chain.size() ? prev_data.height : m_db->get_block_height(b.prev_id); bei.height = prev_height + 1; uint64_t block_reward = get_outs_money_amount(b.miner_tx); - bei.already_generated_coins = block_reward + (alt_chain.size() ? prev_data.already_generated_coins : m_db->get_block_already_generated_coins(prev_height)); + const uint64_t prev_generated_coins = alt_chain.size() ? prev_data.already_generated_coins : m_db->get_block_already_generated_coins(prev_height); + bei.already_generated_coins = (block_reward < (MONEY_SUPPLY - prev_generated_coins)) ? prev_generated_coins + block_reward : MONEY_SUPPLY; // verify that the block's timestamp is within the acceptable range // (not earlier than the median of the last X blocks) |