Rob Walker 1fbf1d2cf2
Add checkpoint, rollback to to bank (#1662)
add linked-list capability to accounts

change accounts from a linked list to a VecDeque

add checkpoint and rollback for lastids

add subscriber notifications for rollbacks

checkpoint transaction count, too
2018-11-05 09:47:41 -08:00
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2018-10-09 03:49:39 -06:00