Jie You

If we want to dynamically add a new shard chain, I think the function __validate_tx() will depend on the height of root_tip. Besides, root_tip observed by minor block is updated...

I have separated the change by doing two commits. Please check it.

A stake trie is a variant of the original trie that supports two addition operations beyond insertion, lookup, and deletion: get_total_stake(): return the total number of stakes stored in the...