@brief Casts int(ushort) to level, useful for iterating through enum.

@brief Casts int(ushort) to configurationt type, useful for iterating through enum.

@brief Casts level to int, useful for iterating through enum.

@brief Casts configuration type to int, useful for iterating through enum.

Note that we've altered the account.

Used for debugging, scans the whole trie. @param _requireNoLeftOvers if true, requires that all keys are reachable.

检查节点是否连续 检查条件 1、idx从0开始 2、idx是连续的 3、前面是记账者节点，后面是非记账节点 ps ： 数据出来时保证 idx是递增的，例如1.5.9 */

Clear all known transactions.

Clears the signature.

@returns the hash of the account's code.

Get the code hash of an account. @returns EmptySHA3 if no account exists at that address or if there is no code associated with the address.

@brief Returns command line arguments (pointer) provided to easylogging++