landergate 180a848cbe wallet2: Missing underflow check on low heights
Lack of it results in `m_refresh_from_block_height` being < 0 (18446744...) on low heights, which blocks `process_new_blockchain_entry` and never process coins on heights less than blocks_per_month.
Follow-up to #2258
2017-09-27 14:17:48 +03:00
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2017-09-25 16:54:08 +02:00