Generate a new block candidate periodically based on old PR from pragmaxim. Generating a new block candidate periodically should reduce confirmation times for transactions since they are considered in current block candidate instead of the next one. Mining solution is checked against current and previous candidate to avoid situation where blocks are missed due to newly generated candidate
All credits to original implementation of @pragmaxim in #1412
Generate a new block candidate periodically based on old PR from pragmaxim. Generating a new block candidate periodically should reduce confirmation times for transactions since they are considered in current block candidate instead of the next one. Mining solution is checked against current and previous candidate to avoid situation where blocks are missed due to newly generated candidate
All credits to original implementation of @pragmaxim in #1412
closes #1363