Questions tagged [hrmp]
The hrmp tag has no usage guidance.
22
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When will the xcm-executor implement something on the instr `HrmpNewChannelOpenRequest`?
I want to have some automatic handling for channel opening requests.
I can do this by executing some logic when the relay sends an HrmpNewChannelOpenRequest instruction, but the default xcm-executor ...
1
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1
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49
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Setting up an HRMP Channel between a Parachain and Rococo Asset Hub (Rockmine)
I'm currently working on understanding the process for establishing an HRMP channel between a parachain and the [Rococo Asset Hub][1] (Rockmine).
I'm wondering whether a motion to the governance is ...
- 11
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29
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How to make a HRMP channel between two parachains in mock.rs?
I'm working on one pallet in which i have to initiate hrmp channel within the code of both "mock.rs" and in the "test.rs.". Can someone please guide me through this?
- 664
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60
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XCM TooExpensive when reserve transferring
I am running a local network containing an AssetHub and the Trappist parachain.
I create assets on both chains, and I make the one on AssetHub a sufficient asset.
I register the asset on the Trappist ...
- 623
3
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53
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Failed to execute hrmp open request on polkadot
We recently sent XCM messages from Phala to Polkadot to send HRMP open requests to PolkaDex parachain. We constructed the message as usual, but the message failed to execute on Polkadot. I haven't ...
- 73
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22
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How to retrace the execution of completed XCM Transact calls?
How can someone retrace what actually happened during the execution of the Transact message?
Recently the Zeitgeist parachain (2,092) sent an XCM to Polkadot that includes a Transact message that ...
- 539
2
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1
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22
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Why is `HrmpChannelAccepted` described as only being safe to originate from a relay chain and not a parachain?
I am reading through this section of XCM Instructions : https://github.com/paritytech/polkadot/blob/97930a8b2cc211ecfb80f289c4c578a9157e6dc4/xcm/src/v2/mod.rs#L532-L565
And what I find here is that ...
- 3,722
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280
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Transfer Assets with XCM
We have successfully created the HRMP channel between two parachains and a relay chain.We want to transfer assets from one parachain(p1) to another parachain(P2), the channel is created from P1 to P2 (...
- 664
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60
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FailedToTransactAsset when trying to establish HRMP when using XCM
Getting error: FailedToTransactAsset
Sender: 2113
Receiver: 2000
Sovereign account of 2113: 5Dt6dpkWPwLaH4BBCKJwjiWrFVAGyYk3tLUabvyn4v7KtESG
(contains ~5 ROC)
This is the call made to make the HRMP ...
- 1,366
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35
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Why does opening an HRMP channel use the Transact instruction instead of the HrmpNewChannelOpenRequest instruction?
Following the instructions in this post:
How to open HRMP channels between parachains?
It lloks like the following instructions are required to open an HRMP channel:
WithdrawAsset
BuyExecution
...
- 91
11
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519
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How to open HRMP channels between parachains?
I can see that many parachains have opened HRMP channels on Rococo and are beginning to experiment with XCM:
Source:
https://dotsama-channels.vercel.app
I would like to open HRMP channels between ...
- 8,140
1
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80
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Failure on HRMP channel creation
To update a parachain in a dev environment without redeploying the relaychain and other parachains I used sudoScheduleParaCleanup extrinsic.
The cleanup and new onboarding seemed successful initially. ...
- 248
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180
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How are the costs of XCM messages designed?
after playing with the Substrate Cumulus Parachain Template and the ping-pallet to get an idea of how to use XCM, I built a local Rococo testnet connected to two parachains.
In my code, at some point, ...
- 418
2
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129
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XCM error. OverweightEnqueued event instead of opening HRMP channel
What is the reason of OverweightEnqueued event?
There is the place of code where event OverweightEnqueued produced...
- 509
6
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2
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214
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Barrier error during initiating HRMP channel with Rockmine on Rococo
I want to open HRMP channel with Rockmine on rococo. But I got the Barrier error and can't understand what is wrong with my request.
This is my encoded call data
...
- 509
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2
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79
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How to open HRMP with Rococo chain?
hrmp.hrmpInitOpenChannel(
recipient: 3000 //the other parachain you want to open the channel with
proposedMaxCapacity: 1000 // specifies how many messages can be in ...
- 509
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1
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106
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Attempting to establish hrmp channels on rococo-local reports `Execution errored at 0: Unimplemented`
I have a local-rococo setup between parachain 3015 (sender) and parachain 2000 (recipient). I was able to send hrmpInitOpenChannel successfully to the recipient, followed by hrmpAcceptOpenChannel
The ...
- 87
3
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77
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How to write super simple custom relay chain
EDIT #2: TLDR Is it possible to write a bare bones version of polkadot relay chain that only has cross chain communication (HRMP) + consensus (BABE+Grandpa) but doesn't have anything else (no ...
- 63
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261
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Is there a link or guide on how to get a Sovereign Account Address?
I'm currently working on opening an HRMP Channel on Rococo with another parachain. In order to do this, I need to send an XCM to the relay chain. One of the items within this message requires a ...
- 39
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61
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How can I query the deposit in DOT to create an HRMP channel?
I'm looking in the Developers>Storage>hrmp tab but I can't find the option to check the current minimum to create an HRMP channel. Thanks
2
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1
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216
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XCM BuyExecution Fail: TooExpensive when transferring Native Token from your parachain to clone parachain
I am setting up the integration tests to transfer Asset from Parachain A to Parachain B (clone Parachain A).
The XCM execution went successfully on Parachain A, the balance was deducted successfully, ...
- 98
6
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267
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How to enable cross-chain asset transfers to a parachain?
This is a question about XCM.
Do I just need to add orml_xtokens dependency to a parachain to allow transferring assets to another chain?
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