BlockchainLMDB: Remove tx outputs in reverse order
Data should be removed in the reverse order it was added. This matches the order of removal in blockchain_storage::pop_transaction_from_global_index.
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@ -722,15 +722,15 @@ void BlockchainLMDB::remove_tx_outputs(const crypto::hash& tx_hash, const transa
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size_t num_elems = 0;
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mdb_cursor_count(cur, &num_elems);
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mdb_cursor_get(cur, &k, &v, MDB_FIRST_DUP);
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mdb_cursor_get(cur, &k, &v, MDB_LAST_DUP);
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for (uint64_t i = 0; i < num_elems; ++i)
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for (uint64_t i = num_elems; i > 0; --i)
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{
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const tx_out tx_output = tx.vout[i];
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const tx_out tx_output = tx.vout[i-1];
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remove_output(*(const uint64_t*)v.mv_data, tx_output.amount);
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if (i < num_elems - 1)
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if (i > 1)
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{
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mdb_cursor_get(cur, &k, &v, MDB_NEXT_DUP);
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mdb_cursor_get(cur, &k, &v, MDB_PREV_DUP);
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}
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}
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}
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