As three more parachains have requested an HRMP channel opening with Statemint, this proposal aims to accept and open return channels - the following batch call aim to be executed on this proposal for each of the parachains:

1. A `forceTansfer` of 20 DOT from the Treasury to Statemint sovereign account.
2. A `forceOpenhrmpchannel` from Statemint (1,000) to [ParaID].
3. A `forceOpenhrmpChannel` from [ParaID] to Statemint (1,000).

ParaIDs for each parachains requesting the channels and proposals requesting this by the parachain teams:

- BitGreen: ParaID 2,048
- SubSocial: ParaID 2,101
- Manta Network: ParaID 2,104

Encoded Call:

`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`

Proposal Hash: 

`0xaed18f873e30ac5f2e80c5323fcca4c654c7a6eb2ffd0dc1755028ba87eb6352`


Schedule the currently externally-proposed majority-carries referendum to be tabled
immediately. If there is no externally-proposed referendum currently, or if there is one
but it is not a majority-carries referendum then it fails.

The dispatch of this call must be `FastTrackOrigin`.

- `proposal_hash`: The hash of the current external proposal.
- `voting_period`: The period that is allowed for voting on this proposal. Increased to
	Must be always greater than zero.
	For `FastTrackOrigin` must be equal or greater than `FastTrackVotingPeriod`.
- `delay`: The number of block after voting has ended in approval and this should be
  enacted. This doesn't have a minimum amount.

Emits `Started`.

Weight: `O(1)`

Send a batch of dispatch calls.
Unlike `batch`, it allows errors and won't interrupt.

May be called from any origin except `None`.

- `calls`: The calls to be dispatched from the same origin. The number of call must not
  exceed the constant: `batched_calls_limit` (available in constant metadata).

If origin is root then the calls are dispatch without checking origin filter. (This
includes bypassing `frame_system::Config::BaseCallFilter`).

# <weight>
- Complexity: O(C) where C is the number of calls to be batched.
# </weight>

- Three more parachains want to open communication channels with Statemint.
- The proposal suggests making some calls to open these channels.
- The calls include transferring 20 DOT from the Treasury to Statemint's account and opening channels between Statemint and each of the three parachains.
- The parachains are BitGreen, SubSocial, and Manta Network.
- The proposal has a specific encoded call and a unique hash.

#89 Three New HRMP Channels batch On Polkadot

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