So far, five parachains have requested an HRMP channel with Statemint. This motion accepts them all and opens return channels.

## Opening Notes

### Handy Info

- Treasury Address: `13UVJyLnbVp9RBZYFwFGyDvVd1y27Tt8tkntv6Q7JVPhFsTB`
- Treasury `AccountId`: `0x6d6f646c70792f74727372790000000000000000000000000000000000000000`
- Statemint Address: `13YMK2edbuhwMBxeUWm9c643A2wyYHwSVh1bCM7tShtg7Dtk`
- Statemint `AccountId`: `0x70617261e8030000000000000000000000000000000000000000000000000000`

### Parachains that want channels

- 2011
- 2000
- 2004
- 2006
- 2012

### Channel Config

- `maxCapacity: 1,000`
- `maxTotalSize: 102,400`

### HRMP Config

- `hrmpSenderDeposit: 100,000,000,000`
- `hrmpRecipientDeposit: 100,000,000,000`

## Call Construction

These are constructed **backwards.** That is, the call to use as the proposal is at the **end.**

### Relay Chain Call to Execute

First, we need the call that Statemint will execute on the Relay Chain. This accepts all channel requests and returns channel requests to the initiators.

![](https://i.imgur.com/azd1Ygm.png)
![](https://i.imgur.com/zWItDfE.png)

Encoded Call Data:

```
0x1a02283c01db0700003c01d00700003c01d40700003c01d60700003c01dc0700003c00db070000e8030000009001003c00d0070000e8030000009001003c00d4070000e8030000009001003c00d6070000e8030000009001003c00dc070000e803000000900100
```

### Message from Statemint

The above message needs to come _from Statemint._ So we put it into an XCM (the "Transact" instruction) along with purchasing some execution capacity and returning any leftover fees to the Treasury.

![](https://i.imgur.com/i3SHuZV.png)
![](https://i.imgur.com/eXXtCrw.png)

Encoded Call Data:

```
0x1f0001010002140004000000000700c817a80413000000000700c817a80400060002286bee9d011a02283c01db0700003c01d00700003c01d40700003c01d60700003c01dc0700003c00db070000e8030000009001003c00d0070000e8030000009001003c00d4070000e8030000009001003c00d6070000e8030000009001003c00dc070000e803000000900100140d01010000000004000101006d6f646c70792f74727372790000000000000000000000000000000000000000
```

### Proposal on the Relay Chain

But, governance is on the Relay Chain, not Statemint. So take some DOT from the Treasury (100 DOT for 10 channels at 10 DOT each plus 2 DOT for fees) and send a message to Statemint telling it to send a message back. This is the proposal to vote on.

![](https://i.imgur.com/WvVLRuK.png)

Encoded Call Data:

```
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
```

Call Hash:

```
0x6306b068f6a71eb1db5abd9609a0ffbbe7c441c9144ecf8a49e7c2bc19f7f6e9
```

## Appendix: Relevant Storage Items

**`configuration.activeConfig: PolkadotRuntimeParachainsConfigurationHostConfiguration`**

```json=
{
  maxCodeSize: 10,485,760
  maxHeadDataSize: 20,480
  maxUpwardQueueCount: 10
  maxUpwardQueueSize: 51,200
  maxUpwardMessageSize: 51,200
  maxUpwardMessageNumPerCandidate: 10
  hrmpMaxMessageNumPerCandidate: 10
  validationUpgradeCooldown: 14,400
  validationUpgradeDelay: 600
  maxPovSize: 5,242,880
  maxDownwardMessageSize: 51,200
  umpServiceTotalWeight: 100,000,000,000
  hrmpMaxParachainOutboundChannels: 10
  hrmpMaxParathreadOutboundChannels: 0
  hrmpSenderDeposit: 100,000,000,000
  hrmpRecipientDeposit: 100,000,000,000
  hrmpChannelMaxCapacity: 1,000
  hrmpChannelMaxTotalSize: 102,400
  hrmpMaxParachainInboundChannels: 10
  hrmpMaxParathreadInboundChannels: 0
  hrmpChannelMaxMessageSize: 102,400
  codeRetentionPeriod: 14,400
  parathreadCores: 0
  parathreadRetries: 0
  groupRotationFrequency: 10
  chainAvailabilityPeriod: 10
  threadAvailabilityPeriod: 10
  schedulingLookahead: 1
  maxValidatorsPerCore: 5
  maxValidators: 200
  disputePeriod: 6
  disputePostConclusionAcceptancePeriod: 600
  disputeMaxSpamSlots: 2
  disputeConclusionByTimeOutPeriod: 600
  noShowSlots: 2
  nDelayTranches: 89
  zerothDelayTrancheWidth: 0
  neededApprovals: 30
  relayVrfModuloSamples: 40
  umpMaxIndividualWeight: 20,000,000,000
  pvfCheckingEnabled: false
  pvfVotingTtl: 2
  minimumValidationUpgradeDelay: 20
}
```

**`hrmp.hrmpOpenChannelRequests: Option<PolkadotRuntimeParachainsHrmpHrmpOpenChannelRequest>`**

```json
[
  [
    [
      {
        sender: 2,011
        recipient: 1,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,000
        recipient: 2,035
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,000
        recipient: 2,034
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,000
        recipient: 2,032
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,012
        recipient: 2,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,000
        recipient: 1,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,004
        recipient: 1,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,006
        recipient: 1,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
  [
    [
      {
        sender: 2,012
        recipient: 1,000
      }
    ]
    {
      confirmed: false
      age: 0
      senderDeposit: 100,000,000,000
      maxMessageSize: 102,400
      maxCapacity: 1,000
      maxTotalSize: 102,400
    }
  ]
]
```


The proposal encompasses two milestones: the first, completed by February 2023, concentrated on migrating Polkassembly to OpenGov, while the second, scheduled for June 2023, aims to deploy OpenGov for Polkadot and develop a delegation dashboard. Additionally, milestone 3 aims to enhance transparency and engagement within the Substrate Fellowship on Polkassembly. Note that milestone 3 isn't funded from this proposal.

Co-organize 6 conferences involving Polkadot.

Host 12 Twitter spaces AMA.

Organize 6 Polkadot meetups.

Create 12 Governance news articles.

Write 24 articles about specific parachain or polkadot tech.

Create 48 Kusama & Polkadot weekly news articles.

Host 8 Twitter spaces.

Provide regular Weekly news.

Post 5 Governance news.

Create 22 original articles, some of them translated to Czech.

Create 48 Twitter threads.

amount

beneficiary

- Five parachains have requested an HRMP channel with Statemint.
- The proposal accepts all the channel requests and opens return channels.
- The channel configuration allows for a maximum capacity of 1,000 and a maximum total size of 102,400.
- The HRMP configuration requires a deposit of 100,000,000,000 for both the sender and recipient.
- The proposal includes encoded call data and call hashes for execution on the Relay Chain.

First Statemint HRMP Channels

Tech Committee

#44 First Statemint HRMP Channels

No Active Proposals