WIP: mine: a mine enhancement of packing transactions.

[setunapo]

code: hot fix part2

code: set DelayLeftOver to 400ms, for block finalize and broadcast

fair: return when no time left

fix: init txs2Ch

fair: add txs2HotfixLoop to avoid flush txsCh on mainLoop

fair: subscribe txs event before commitTransactions

log: improve print log

Description

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Changes

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[Jolly23]

bad idea