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Polkadot to Kusama Transfers

We support the Polkadot / Kusama bridge, which is accessible through both of their respective Asset Hubs.

Here is a workflow that lets you send DOT to Kusama chain.

Try it here:​

https://app.xcmsend.com/#/builder

Video demo:​

https://drive.google.com/file/d/1iDaMNiZDaUjD95MGOwZqc87KBkl_deYL/view

Valid extrinsic call data:​

0x1f08030202090300a10f03000101005400e2f7f5669b26998d8e4d3c1a2c8a2d0a9af827ca54a1cc3509105035c32e0304000100000700c817a8040000000000

You can check out this call by going to polkadot.js apps and pasting it in the decode field. Check it on this link

Broadcasted transaction:​

polkadot assethub #6021484-2

Check DOT balance on Kusama assethub:​

Go to chainstate and query foreignAssets:

Polkadot.js typescript code:​

export async function polkadot_assethub_to_kusama_assethub(
  amount: number,
  accountid: string
) {
  const myaccount = getRawAddress(accountid);

  const api = await getApiInstance("assetHub");

  const destination = {
    parents: 2,
    interior: {
      X2: [
        { GlobalConsensus: { Kusama: null } },
        { Parachain: 1000 }, // assethub
      ],
    },
  };

  const account = {
    parents: 0,
    interior: { X1: { AccountId32: { id: myaccount, network: null } } },
  };

  const asset = {
    id: {
      Concrete: {
        parents: 1,
        interior: {
          Here: null,
        },
      },
    },
    fun: { Fungible: amount },
  };

  const tx = api.tx.polkadotXcm.limitedReserveTransferAssets(
    { V3: destination },
    { V3: account },
    { V3: [asset] },
    0,
    { Unlimited: 0 }
  );
  return tx;
}

References:​

Polkadot Forum thread