Comment issues

[ducthotran2010]

    I think we need a more detailed explanation for these three functions, in order to differentiate the usage of these three.

Originally posted by @nxqbao in #22 (comment)

ronin-dpos-contracts/contracts/interfaces/IStaking.sol

Lines 108 to 118 in 2ef51c7

	/**
	* @dev Deprecates the pool.
	*
	* Requirements:
	* - The method caller is validator contract.
	*
	* Emits the event `PoolsDeprecated` and `Unstaked` events.
	* Emits the event `StakedAmountDeprecated` if the contract cannot transfer RON back to the pool admin.
	*
	*/
	function deprecatePools(address[] calldata _pools) external;

[ducthotran2010]

    Unclear comments

Originally posted by @nxqbao in #22 (comment)

ronin-dpos-contracts/contracts/interfaces/IMaintenance.sol

Line 109 in 4f089cb

* - The total number of schedules is not larger than `maxSchedules()`.

[ducthotran2010]

    Should list what will be done when wrapping up an epoch.

Originally posted by @nxqbao in #22 (comment)

ronin-dpos-contracts/contracts/interfaces/IRoninValidatorSet.sol

Lines 87 to 103 in 4f089cb

	/**
	* @dev Wraps up the current epoch.
	*
	* Requirements:
	* - The method must be called when the current epoch is ending.
	* - The epoch is not wrapped yet.
	* - The method caller is coinbase.
	*
	* Emits the event `MiningRewardDistributed` when some validator has reward distributed.
	* Emits the event `StakingRewardDistributed` when some staking pool has reward distributed.
	* Emits the event `BlockProducerSetUpdated` when the epoch is wrapped up.
	* Emits the event `BridgeOperatorSetUpdated` when the epoch is wrapped up at period ending.
	* Emits the event `ValidatorSetUpdated` when the epoch is wrapped up at period ending, and the validator set gets updated.
	* Emits the event `WrappedUpEpoch`.
	*
	*/
	function wrapUpEpoch() external payable;

[ducthotran2010]

    1. `. IE: scheduling maintenance.`

=> , e.g. scheduling maintenance.

2. Unclear document

Originally posted by @nxqbao in #22 (comment)

[ducthotran2010]

    This doc is out date

Originally posted by @ducthotran2010 in #22 (comment)