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#416 Open HRMP channel between Karura and Statemine

Proposer:
HSNB...GiQN
 
in Council
4th Jan '22

This is a techincal committee proposal whose proposer address (F2i6trfXqFknbgB3d9wcd1X98WWdLLktmFtK8Beud75bjTW) is shown in on-chain info below. Only this user can edit this description and the title. If you own this account, login and tell us more about your proposal.

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Council Votes

Gvyf...gjKX
Aye
Etj6...ygJa
Aye
DaCS...Liax
Aye
DWUA...TJ1j
Aye
JCBw...yeCB
Aye
Hjui...vtis
Aye
H9eS...Em7y
Aye
Gth5...s5m5
Aye
GLVe...F7wj
Aye
Cpjs...afgp
Aye
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3Comments
HyBr...enhd
 
 
4th Jan '22

This is Bryan from Acala Foundation. As Polkassembly doesn't support multisig proposer yet, I will provide the context as a comment.

This proposal aims to open HRMP channel between Statemine & Karura. For more context please read here.

Let me explain the technical details of this call.

It is a batch transaction with two calls:

  1. A force transfer from Kusama treasury (F3opxRbN5ZbjJNU511Kj2TLuzFcDq9BGduA9TgiECafpg29) to Statemine (F7fq1jSNVTPfJmaHaXCMtatT1EZefCUsa7rRiQVNR5efcah). The amount is 11 KSM. 10 KSM will be used for deposit to accept (5 KSM) and open (5 KSM) HRMP channel. 1 KSM will be used by Statemine parachain to pay for transaction execution fee on Kusama. Note that 1 KSM is more than enough and unused funds will be trapped in XCM asset trap. But that's totally fine as it can be claimed & used for transaction fee in later XCM executions.
  2. Send XCM message to Statemine to execute a transaction with superuser (root) permission.

The XCM message to Statemine is 0x1f00010100020c000400000000070010a5d4e81300000000070010a5d4e800060002286bee5c1802083c01d00700003c00d0070000e803000000900100, which can be decoded on Statemine, and it is polkadotXcm.send. It sends a XCM message back to Kusama, to with 1 KSM for transaction fee and perform a transact of call 0x1802083c01d00700003c00d0070000e803000000900100.

The call is is a batch call that accepts open channel request from Karura, and make an open channel request to Karura.

D8Dt...oV9D
 
 
5th Jan '22

The proposal aims to fast-track this proposal to be enacted with the following parameters:

voting_period: 57,600 blocks

delay: 300 blocks


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